{"id":47146,"date":"2025-07-15T07:06:33","date_gmt":"2025-07-15T07:06:33","guid":{"rendered":"https:\/\/maotrung.zweb.vn\/?p=47146"},"modified":"2025-11-07T13:31:08","modified_gmt":"2025-11-07T06:31:08","slug":"gach-chay-la-gi","status":"publish","type":"post","link":"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146","title":{"rendered":"G\u1ea1ch ch\u00e1y l\u00e0 g\u00ec? \u01afu \u0111i\u1ec3m v\u00e0 l\u00fd do n\u00ean d\u00f9ng x\u00e2y m\u00f3ng nh\u00e0"},"content":{"rendered":"<p>G\u1ea1ch ch\u00e1y l\u00e0 lo\u1ea1i g\u1ea1ch \u0111\u1ea5t nung \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 k\u1ebft c\u1ea5u \u0111\u1eb7c ch\u1eafc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c t\u1ed1t h\u01a1n so v\u1edbi g\u1ea1ch th\u00f4ng th\u01b0\u1eddng. Nh\u1edd \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong thi c\u00f4ng n\u1ec1n m\u00f3ng &#8211; ph\u1ea7n k\u1ebft c\u1ea5u quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u c\u1ee7a c\u00f4ng tr\u00ecnh. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 \u0111\u1eb7c \u0111i\u1ec3m, \u01b0u \u0111i\u1ec3m v\u00e0 l\u00fd do v\u00ec sao g\u1ea1ch ch\u00e1y l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c nhi\u1ec1u k\u1ef9 s\u01b0 tin d\u00f9ng.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_78 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#Nhung_diem_chinh\" >Nh\u1eefng \u0111i\u1ec3m ch\u00ednh:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#1_Gach_chay_la_gi\" >1. G\u1ea1ch ch\u00e1y l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#2_Vi_sao_gach_chay_la_lua_chon_hang_dau_de_xay_mong\" >2. V\u00ec sao g\u1ea1ch ch\u00e1y l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 x\u00e2y m\u00f3ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#3_Ung_dung_cua_gach_chay_trong_cac_hang_muc_xay_dung\" >3. \u1ee8ng d\u1ee5ng c\u1ee7a g\u1ea1ch ch\u00e1y trong c\u00e1c h\u1ea1ng m\u1ee5c x\u00e2y d\u1ef1ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#31_Xay_mong_nha_dan_dung_va_cao_tang\" >3.1. X\u00e2y m\u00f3ng nh\u00e0 d\u00e2n d\u1ee5ng v\u00e0 cao t\u1ea7ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#32_Xay_mong_cho_cong_trinh_cong_nghiep\" >3.2. X\u00e2y m\u00f3ng cho c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#33_Su_dung_o_khu_vuc_dia_chat_dac_thu\" >3.3. S\u1eed d\u1ee5ng \u1edf khu v\u1ef1c \u0111\u1ecba ch\u1ea5t \u0111\u1eb7c th\u00f9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#34_Xay_dung_cac_cong_trinh_ha_tang\" >3.4. X\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng tr\u00ecnh h\u1ea1 t\u1ea7ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#4_Dau_hieu_nhan_biet_gach_chay_chat_luong_cao\" >4. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft g\u1ea1ch ch\u00e1y ch\u1ea5t l\u01b0\u1ee3ng cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#5_Luu_y_quan_trong_khi_thi_cong_mong_bang_gach_chay\" >5. L\u01b0u \u00fd quan tr\u1ecdng khi thi c\u00f4ng m\u00f3ng b\u1eb1ng g\u1ea1ch ch\u00e1y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#6_Phan_biet_gach_chay_va_gach_chiu_lua_de_tranh_nham_lan\" >6. Ph\u00e2n bi\u1ec7t g\u1ea1ch ch\u00e1y v\u00e0 g\u1ea1ch ch\u1ecbu l\u1eeda \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#7_Mot_so_cau_hoi_lien_quan\" >7. M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#71_Gach_chay_va_gach_tuynel_loai_nao_tot_hon_de_xay_mong\" >7.1. G\u1ea1ch ch\u00e1y v\u00e0 g\u1ea1ch tuynel lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n \u0111\u1ec3 x\u00e2y m\u00f3ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#72_Gia_gach_chay_co_dat_khong\" >7.2. Gi\u00e1 g\u1ea1ch ch\u00e1y c\u00f3 \u0111\u1eaft kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-chay-la-gi-47146\/#73_Dung_gach_chay_xay_nha_co_can_chong_tham_them_khong\" >7.3. D\u00f9ng g\u1ea1ch ch\u00e1y x\u00e2y nh\u00e0 c\u00f3 c\u1ea7n ch\u1ed1ng th\u1ea5m th\u00eam kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Nhung_diem_chinh\"><\/span><strong>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<blockquote>\n<ul>\n<li>G\u1ea1ch ch\u00e1y l\u00e0 g\u1ea1ch nung qu\u00e1 l\u1eeda, c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu l\u1ef1c v\u01b0\u1ee3t tr\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i, l\u00e0 l\u1ef1a ch\u1ecdn s\u1ed1 m\u1ed9t cho m\u00f3ng nh\u00e0.<\/li>\n<li>Nh\u1edd \u0111\u1ed9 b\u1ec1n cao, g\u1ea1ch ch\u00e1y l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng \u0111\u1ec3 x\u00e2y m\u00f3ng \u1edf khu v\u1ef1c \u0111\u1ea5t y\u1ebfu, \u1ea9m \u01b0\u1edbt ho\u1eb7c b\u1ecb nhi\u1ec5m m\u1eb7n, nhi\u1ec5m ph\u00e8n.<\/li>\n<li>Nh\u1eadn bi\u1ebft g\u1ea1ch ch\u00e1y ch\u1ea5t l\u01b0\u1ee3ng qua m\u00e0u s\u1eabm, c\u1ea1nh s\u1eafc n\u00e9t v\u00e0 \u00e2m thanh trong, vang nh\u01b0 kim lo\u1ea1i khi g\u00f5 v\u00e0o nhau.<\/li>\n<li>Kh\u00f4ng nh\u1ea7m l\u1eabn g\u1ea1ch ch\u00e1y (d\u00f9ng x\u00e2y m\u00f3ng, ch\u1ecbu l\u1ef1c) v\u1edbi g\u1ea1ch ch\u1ecbu l\u1eeda (d\u00f9ng x\u00e2y l\u00f2, c\u00e1ch nhi\u1ec7t) v\u00ec c\u00f4ng d\u1ee5ng ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/li>\n<li>G\u1ea1ch ch\u00e1y c\u00f3 gi\u00e1 cao h\u01a1n g\u1ea1ch th\u01b0\u1eddng nh\u01b0ng l\u00e0 kho\u1ea3n \u0111\u1ea7u t\u01b0 x\u1ee9ng \u0111\u00e1ng cho s\u1ef1 an to\u00e0n v\u00e0 b\u1ec1n v\u1eefng l\u00e2u d\u00e0i c\u1ee7a c\u00f4ng tr\u00ecnh.<\/li>\n<\/ul>\n<\/blockquote>\n<h2 id=\"1gchchylg\"><span class=\"ez-toc-section\" id=\"1_Gach_chay_la_gi\"><\/span>1. G\u1ea1ch ch\u00e1y l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>G\u1ea1ch ch\u00e1y, hay c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 g\u1ea1ch nung qu\u00e1 l\u1eeda, l\u00e0 m\u1ed9t lo\u1ea1i g\u1ea1ch \u0111\u1ea5t s\u00e9t nung. \u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a lo\u1ea1i g\u1ea1ch n\u00e0y l\u00e0 \u0111\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao, th\u01b0\u1eddng v\u01b0\u1ee3t ng\u01b0\u1ee1ng 1.200\u00b0C, cao h\u01a1n m\u1ee9c ti\u00eau chu\u1ea9n c\u1ee7a g\u1ea1ch tuynel th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>Qu\u00e1 tr\u00ecnh nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao l\u00e0m cho vi\u00ean g\u1ea1ch &#8220;ch\u00e1y&#8221; l\u1ea1i, t\u1ea1o ra m\u1ed9t k\u1ebft c\u1ea5u c\u1ef1c k\u1ef3 r\u1eafn ch\u1eafc, \u0111\u1eb7c s\u00edt v\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f2n l\u1ed7 r\u1ed7ng. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i cho g\u1ea1ch nh\u1eefng \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c lo\u1ea1i g\u1ea1ch x\u00e2y th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>B\u1ec1 m\u1eb7t g\u1ea1ch th\u01b0\u1eddng c\u00f3 m\u00e0u s\u1eabm h\u01a1n, t\u1eeb \u0111\u1ecf \u0111\u1eadm \u0111\u1ebfn n\u00e2u t\u00edm, l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a qu\u00e1 tr\u00ecnh t\u00f4i luy\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Nh\u1edd k\u1ebft c\u1ea5u \u0111\u1eb7c kh\u00edt, g\u1ea1ch ch\u00e1y s\u1edf h\u1eefu kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ecbu l\u1ef1c n\u00e9n v\u01b0\u1ee3t tr\u1ed9i, tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ea1ng m\u1ee5c quan tr\u1ecdng.<\/p>\n<figure id=\"attachment_47794\" aria-describedby=\"caption-attachment-47794\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47794\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-1.jpg\" alt=\"G\u1ea1ch ch\u00e1y c\u00f3 k\u1ebft c\u1ea5u r\u1eafn ch\u1eafc sau qu\u00e1 tr\u00ecnh nung qu\u00e1 l\u1eeda\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-1.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-1-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-1-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-1-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47794\" class=\"wp-caption-text\">G\u1ea1ch ch\u00e1y c\u00f3 k\u1ebft c\u1ea5u r\u1eafn ch\u1eafc sau qu\u00e1 tr\u00ecnh nung qu\u00e1 l\u1eeda<\/figcaption><\/figure>\n<h2 id=\"2vsaogchchyllachnhnguxymng\"><span class=\"ez-toc-section\" id=\"2_Vi_sao_gach_chay_la_lua_chon_hang_dau_de_xay_mong\"><\/span>2. V\u00ec sao g\u1ea1ch ch\u00e1y l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 x\u00e2y m\u00f3ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu l\u1ef1c v\u01b0\u1ee3t tr\u1ed9i<\/strong>: \u0110\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, c\u00e1c kho\u00e1ng ch\u1ea5t trong \u0111\u1ea5t s\u00e9t \u0111\u01b0\u1ee3c t\u00f4i luy\u1ec7n, t\u1ea1o ra k\u1ebft c\u1ea5u si\u00eau c\u1ee9ng. G\u1ea1ch ch\u00e1y ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng l\u1edbn c\u1ee7a to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng hay n\u1ee9t v\u1ee1.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m g\u1ea7n nh\u01b0 tuy\u1ec7t \u0111\u1ed1i<\/strong>: C\u1ea5u tr\u00fac \u0111\u1eb7c kh\u00edt v\u1edbi \u0111\u1ed9 h\u00fat n\u01b0\u1edbc r\u1ea5t th\u1ea5p gi\u00fap ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 n\u01b0\u1edbc ng\u1ea7m, h\u01a1i \u1ea9m x\u00e2m nh\u1eadp v\u00e0o t\u01b0\u1eddng m\u00f3ng, b\u1ea3o v\u1ec7 k\u1ebft c\u1ea5u th\u00e9p v\u00e0 b\u00ea t\u00f4ng b\u00ean trong.<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n cao<\/strong>: G\u1ea1ch ch\u00e1y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng l\u1ea1i t\u00e1c \u0111\u1ed9ng kh\u1eafc nghi\u1ec7t c\u1ee7a th\u1eddi ti\u1ebft v\u00e0 m\u00f4i tr\u01b0\u1eddng. Tu\u1ed5i th\u1ecd c\u1ee7a m\u00f3ng x\u00e2y b\u1eb1ng g\u1ea1ch ch\u00e1y c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn h\u00e0ng ch\u1ee5c, th\u1eadm ch\u00ed h\u00e0ng tr\u0103m n\u0103m.<\/li>\n<li><strong>Ch\u1ed1ng ch\u1ecbu m\u00f4i tr\u01b0\u1eddng x\u00e2m th\u1ef1c<\/strong>: T\u1ea1i c\u00e1c khu v\u1ef1c \u0111\u1ea5t b\u1ecb nhi\u1ec5m ph\u00e8n, nhi\u1ec5m m\u1eb7n, g\u1ea1ch ch\u00e1y l\u00e0 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng. B\u1ec1 m\u1eb7t g\u1ea7n nh\u01b0 tr\u01a1 c\u1ee7a n\u00f3 gi\u00fap ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n h\u00f3a h\u1ecdc, \u0111i\u1ec1u m\u00e0 g\u1ea1ch th\u00f4ng th\u01b0\u1eddng kh\u00f3 l\u00e0m \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>Gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd<\/strong>: So v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c nh\u01b0 \u0111\u1ed5 b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i, vi\u1ec7c s\u1eed d\u1ee5ng g\u1ea1ch ch\u00e1y mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao h\u01a1n m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 s\u1ef1 an to\u00e0n tuy\u1ec7t \u0111\u1ed1i cho c\u00f4ng tr\u00ecnh.<\/li>\n<\/ul>\n<figure id=\"attachment_47795\" aria-describedby=\"caption-attachment-47795\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47795\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-2.jpg\" alt=\"G\u1ea1ch ch\u00e1y c\u00f3 c\u1ea5u tr\u00fac \u0111\u1eb7c kh\u00edt gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-2.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-2-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-2-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-2-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47795\" class=\"wp-caption-text\">G\u1ea1ch ch\u00e1y c\u00f3 c\u1ea5u tr\u00fac \u0111\u1eb7c kh\u00edt gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m<\/figcaption><\/figure>\n<h2 id=\"3ngdngcagchchytrongcchngmcxydng\"><span class=\"ez-toc-section\" id=\"3_Ung_dung_cua_gach_chay_trong_cac_hang_muc_xay_dung\"><\/span>3. \u1ee8ng d\u1ee5ng c\u1ee7a g\u1ea1ch ch\u00e1y trong c\u00e1c h\u1ea1ng m\u1ee5c x\u00e2y d\u1ef1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nh\u1edd nh\u1eefng \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t, g\u1ea1ch ch\u00e1y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ea1ng m\u1ee5c y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu cao.<\/p>\n<h3 id=\"31xymngnhdndngvcaotng\"><span class=\"ez-toc-section\" id=\"31_Xay_mong_nha_dan_dung_va_cao_tang\"><\/span>3.1. X\u00e2y m\u00f3ng nh\u00e0 d\u00e2n d\u1ee5ng v\u00e0 cao t\u1ea7ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 quan tr\u1ecdng nh\u1ea5t c\u1ee7a g\u1ea1ch ch\u00e1y. T\u1eeb nh\u00e0 c\u1ea5p 4, nh\u00e0 ph\u1ed1 \u0111\u1ebfn bi\u1ec7t th\u1ef1 hay c\u00e1c t\u00f2a nh\u00e0 nhi\u1ec1u t\u1ea7ng, vi\u1ec7c s\u1eed d\u1ee5ng g\u1ea1ch ch\u00e1y cho ph\u1ea7n m\u00f3ng gi\u00fap t\u1ea1o ra m\u1ed9t n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc, ch\u1ecbu t\u1ea3i tr\u1ecdng l\u1edbn v\u00e0 ch\u1ed1ng l\u1ea1i c\u00e1c y\u1ebfu t\u1ed1 g\u00e2y h\u1ea1i t\u1eeb l\u00f2ng \u0111\u1ea5t.<\/p>\n<figure id=\"attachment_47796\" aria-describedby=\"caption-attachment-47796\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47796\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-3.jpg\" alt=\"G\u1ea1ch ch\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh x\u00e2y m\u00f3ng nh\u00e0 d\u00e2n d\u1ee5ng\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-3.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-3-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-3-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-3-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47796\" class=\"wp-caption-text\">G\u1ea1ch ch\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong qu\u00e1 tr\u00ecnh x\u00e2y m\u00f3ng nh\u00e0 d\u00e2n d\u1ee5ng<\/figcaption><\/figure>\n<h3 id=\"32xymngchocngtrnhcngnghip\"><span class=\"ez-toc-section\" id=\"32_Xay_mong_cho_cong_trinh_cong_nghiep\"><\/span>3.2. X\u00e2y m\u00f3ng cho c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c nh\u00e0 x\u01b0\u1edfng, nh\u00e0 kho hay khu s\u1ea3n xu\u1ea5t th\u01b0\u1eddng c\u00f3 m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb n\u1eb7ng, \u0111\u00f2i h\u1ecfi n\u1ec1n m\u00f3ng ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c v\u00e0 ch\u1ed1ng rung t\u1ed1t. G\u1ea1ch ch\u00e1y \u0111\u00e1p \u1ee9ng ho\u00e0n h\u1ea3o y\u00eau c\u1ea7u n\u00e0y, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i cho ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t.<\/p>\n<h3 id=\"33sdngkhuvcachtcth\"><span class=\"ez-toc-section\" id=\"33_Su_dung_o_khu_vuc_dia_chat_dac_thu\"><\/span>3.3. S\u1eed d\u1ee5ng \u1edf khu v\u1ef1c \u0111\u1ecba ch\u1ea5t \u0111\u1eb7c th\u00f9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea1i nh\u1eefng n\u01a1i c\u00f3 n\u1ec1n \u0111\u1ea5t y\u1ebfu, d\u1ec5 s\u1ee5t l\u00fan ho\u1eb7c khu v\u1ef1c tr\u0169ng, th\u01b0\u1eddng xuy\u00ean ng\u1eadp n\u01b0\u1edbc, g\u1ea1ch ch\u00e1y l\u00e0 v\u1eadt li\u1ec7u g\u1ea7n nh\u01b0 b\u1eaft bu\u1ed9c. Kh\u1ea3 n\u0103ng ch\u1ecbu n\u00e9n v\u00e0 ch\u1ed1ng th\u1ea5m v\u01b0\u1ee3t tr\u1ed9i gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u1ee9t l\u00fan, b\u1ea3o v\u1ec7 c\u00f4ng tr\u00ecnh m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u.<\/p>\n<h3 id=\"34xydngcccngtrnhhtng\"><span class=\"ez-toc-section\" id=\"34_Xay_dung_cac_cong_trinh_ha_tang\"><\/span>3.4. X\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng tr\u00ecnh h\u1ea1 t\u1ea7ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u1ea1ch ch\u00e1y c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ea1ng m\u1ee5c h\u1ea1 t\u1ea7ng quan tr\u1ecdng nh\u01b0 t\u01b0\u1eddng ch\u1eafn \u0111\u1ea5t, m\u00f3ng c\u1ea7u, c\u1ed1ng r\u00e3nh, v\u00e0 b\u1ec3 ch\u1ee9a n\u01b0\u1edbc ng\u1ea7m. \u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a n\u00f3 \u0111\u1ea3m b\u1ea3o s\u1ef1 b\u1ec1n v\u1eefng cho c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng trong th\u1eddi gian d\u00e0i.<\/p>\n<figure id=\"attachment_47797\" aria-describedby=\"caption-attachment-47797\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47797\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-4.jpg\" alt=\"G\u1ea1ch ch\u00e1y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e2y b\u1ec3 ch\u1ee9a n\u01b0\u1edbc nh\u1edd kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng \u0103n m\u00f2n\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-4.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-4-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-4-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-4-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47797\" class=\"wp-caption-text\">G\u1ea1ch ch\u00e1y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e2y b\u1ec3 ch\u1ee9a n\u01b0\u1edbc nh\u1edd kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng \u0103n m\u00f2n<\/figcaption><\/figure>\n<h2 id=\"4duhiunhnbitgchchychtlngcao\"><span class=\"ez-toc-section\" id=\"4_Dau_hieu_nhan_biet_gach_chay_chat_luong_cao\"><\/span>4. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft g\u1ea1ch ch\u00e1y ch\u1ea5t l\u01b0\u1ee3ng cao<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Ki\u1ec3m tra m\u00e0u s\u1eafc<\/strong>: G\u1ea1ch ch\u00e1y ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t th\u01b0\u1eddng c\u00f3 m\u00e0u s\u1eabm, \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean c\u1ea3 vi\u00ean g\u1ea1ch. C\u1ea7n tr\u00e1nh ch\u1ecdn nh\u1eefng vi\u00ean loang l\u1ed5, m\u00e0u s\u1eafc kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u00ec c\u00f3 th\u1ec3 ch\u00fang ch\u01b0a \u0111\u01b0\u1ee3c nung ch\u00edn \u0111\u1ec1u.<\/li>\n<li><strong>L\u1eafng nghe \u00e2m thanh<\/strong>: C\u1ea7m hai vi\u00ean g\u1ea1ch g\u00f5 nh\u1eb9 v\u00e0o nhau. N\u1ebfu ph\u00e1t ra \u00e2m thanh trong v\u00e0 vang nh\u01b0 kim lo\u1ea1i, \u0111\u00f3 l\u00e0 g\u1ea1ch t\u1ed1t, \u0111\u00e3 \u0111\u1ea1t \u0111\u1ed9 r\u1eafn ch\u1eafc c\u1ea7n thi\u1ebft. N\u1ebfu \u00e2m thanh tr\u1ea7m, \u0111\u1ee5c, c\u00f3 th\u1ec3 g\u1ea1ch c\u00f2n non ho\u1eb7c b\u1ecb l\u1ed7i.<\/li>\n<li><strong>Quan s\u00e1t b\u1ec1 m\u1eb7t v\u00e0 c\u1ea1nh<\/strong>: M\u1ed9t vi\u00ean g\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 c\u00e1c c\u1ea1nh s\u1eafc n\u00e9t, b\u1ec1 m\u1eb7t ph\u1eb3ng, kh\u00f4ng b\u1ecb cong v\u00eanh hay n\u1ee9t n\u1ebb. C\u00e1c g\u00f3c c\u1ea1nh vu\u00f4ng v\u1eafn gi\u00fap qu\u00e1 tr\u00ecnh thi c\u00f4ng d\u1ec5 d\u00e0ng v\u00e0 m\u1ea1ch v\u1eefa kh\u00edt h\u01a1n.<\/li>\n<li><strong>Th\u1eed \u0111\u1ed9 h\u00fat n\u01b0\u1edbc<\/strong>: Nh\u1ecf v\u00e0i gi\u1ecdt n\u01b0\u1edbc l\u00ean b\u1ec1 m\u1eb7t g\u1ea1ch. N\u1ebfu n\u01b0\u1edbc g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ea5m ho\u1eb7c th\u1ea5m r\u1ea5t ch\u1eadm, \u0111i\u1ec1u \u0111\u00f3 ch\u1ee9ng t\u1ecf g\u1ea1ch c\u00f3 \u0111\u1ed9 \u0111\u1eb7c cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m t\u1ed1t.<\/li>\n<li><strong>Ki\u1ec3m tra \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u<\/strong>: M\u1ed9t l\u00f4 g\u1ea1ch t\u1ed1t c\u1ea7n c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng \u0111\u1ec1u, sai s\u1ed1 r\u1ea5t nh\u1ecf. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o t\u00ednh th\u1ea9m m\u1ef9 m\u00e0 c\u00f2n gi\u00fap vi\u1ec7c thi c\u00f4ng nhanh ch\u00f3ng, ch\u00ednh x\u00e1c v\u00e0 ti\u1ebft ki\u1ec7m v\u1eefa x\u00e2y.<\/li>\n<\/ul>\n<figure id=\"attachment_47798\" aria-describedby=\"caption-attachment-47798\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47798\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-5.jpg\" alt=\"M\u1ed9t ng\u01b0\u1eddi \u0111\u1eadp hai vi\u00ean g\u1ea1ch ch\u00e1y v\u00e0o v\u1edbi nhau \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-5.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-5-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-5-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-5-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47798\" class=\"wp-caption-text\">M\u1ed9t ng\u01b0\u1eddi \u0111\u1eadp hai vi\u00ean g\u1ea1ch ch\u00e1y v\u00e0o v\u1edbi nhau \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n<\/figcaption><\/figure>\n<div class=\"mceTemp\"><\/div>\n<h2 id=\"5luquantrngkhithicngmngbnggchchy\"><span class=\"ez-toc-section\" id=\"5_Luu_y_quan_trong_khi_thi_cong_mong_bang_gach_chay\"><\/span>5. L\u01b0u \u00fd quan tr\u1ecdng khi thi c\u00f4ng m\u00f3ng b\u1eb1ng g\u1ea1ch ch\u00e1y<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Chu\u1ea9n b\u1ecb n\u1ec1n \u0111\u1ea5t k\u1ef9 c\u00e0ng<\/strong>: N\u1ec1n \u0111\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e0o \u0111\u00fang c\u1ed1t, l\u00e0m ph\u1eb3ng v\u00e0 \u0111\u1ea7m n\u00e9n c\u1ea9n th\u1eadn \u0111\u1ec3 t\u1ea1o ra m\u1ed9t b\u1ec1 m\u1eb7t v\u1eefng ch\u1eafc tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u x\u00e2y nh\u1eefng vi\u00ean g\u1ea1ch \u0111\u1ea7u ti\u00ean.<\/li>\n<li><strong>Ch\u1ecdn v\u1eefa x\u00e2y ch\u1ea5t l\u01b0\u1ee3ng<\/strong>: S\u1eed d\u1ee5ng xi m\u0103ng t\u1eeb c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn v\u00e0 tr\u1ed9n v\u1eefa theo \u0111\u00fang t\u1ef7 l\u1ec7 ti\u00eau chu\u1ea9n, th\u01b0\u1eddng l\u00e0 1 xi m\u0103ng : 3 c\u00e1t. V\u1eefa ph\u1ea3i c\u00f3 \u0111\u1ed9 d\u1ebbo v\u00e0 k\u1ebft d\u00ednh t\u1ed1t \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c vi\u00ean g\u1ea1ch.<\/li>\n<li><strong>K\u1ef9 thu\u1eadt x\u00e2y chu\u1ea9n x\u00e1c<\/strong>: C\u00e1c m\u1ea1ch v\u1eefa ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e2y \u0111\u1ea7y \u0111\u1eb7n, \u0111\u1ec1u, c\u1ea3 m\u1ea1ch \u0111\u1ee9ng v\u00e0 m\u1ea1ch ngang. Vi\u1ec7c n\u00e0y \u0111\u1ea3m b\u1ea3o l\u1ef1c \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 b\u1ee9c t\u01b0\u1eddng m\u00f3ng v\u00e0 ng\u0103n n\u01b0\u1edbc len l\u1ecfi qua c\u00e1c khe h\u1edf.<\/li>\n<li><strong>K\u1ebft h\u1ee3p bi\u1ec7n ph\u00e1p ch\u1ed1ng th\u1ea5m b\u1ed5 sung<\/strong>: D\u00f9 g\u1ea1ch ch\u00e1y ch\u1ed1ng th\u1ea5m t\u1ed1t, vi\u1ec7c qu\u00e9t th\u00eam m\u1ed9t l\u1edbp s\u01a1n ch\u1ed1ng th\u1ea5m chuy\u00ean d\u1ee5ng ho\u1eb7c m\u00e0ng bitum b\u00ean ngo\u00e0i t\u01b0\u1eddng m\u00f3ng s\u1ebd t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 k\u00e9p, t\u0103ng c\u01b0\u1eddng tu\u1ed5i th\u1ecd.<\/li>\n<\/ul>\n<figure id=\"attachment_47799\" aria-describedby=\"caption-attachment-47799\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47799\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-6.jpg\" alt=\"N\u1ec1n \u0111\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb k\u0129 c\u00e0ng tr\u01b0\u1edbc khi d\u00f9ng g\u1ea1ch ch\u00e1y l\u00e0m m\u00f3ng nh\u00e0\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-6.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-6-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-6-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-6-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47799\" class=\"wp-caption-text\">N\u1ec1n \u0111\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb k\u0129 c\u00e0ng tr\u01b0\u1edbc khi d\u00f9ng g\u1ea1ch ch\u00e1y l\u00e0m m\u00f3ng nh\u00e0<\/figcaption><\/figure>\n<h2 id=\"6phnbitgchchyvgchchulatrnhnhmln\"><span class=\"ez-toc-section\" id=\"6_Phan_biet_gach_chay_va_gach_chiu_lua_de_tranh_nham_lan\"><\/span>6. Ph\u00e2n bi\u1ec7t g\u1ea1ch ch\u00e1y v\u00e0 g\u1ea1ch ch\u1ecbu l\u1eeda \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa &#8220;g\u1ea1ch ch\u00e1y&#8221; v\u00e0 &#8220;g\u1ea1ch ch\u1ecbu l\u1eeda&#8221; (g\u1ea1ch sa m\u1ed1t). Tuy nhi\u00ean, ch\u00fang l\u00e0 hai lo\u1ea1i v\u1eadt li\u1ec7u ho\u00e0n to\u00e0n kh\u00e1c nhau v\u1ec1 th\u00e0nh ph\u1ea7n, \u0111\u1eb7c t\u00ednh v\u00e0 c\u00f4ng d\u1ee5ng.<\/p>\n<table class=\"aligncenter\" style=\"width: 800px;\" border=\"1\">\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>G\u1ea1ch ch\u00e1y (G\u1ea1ch x\u00e2y m\u00f3ng)<\/th>\n<th>G\u1ea1ch ch\u1ecbu l\u1eeda (G\u1ea1ch x\u00e2y l\u00f2)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/strong><\/td>\n<td style=\"text-align: left;\">Ch\u1ecbu l\u1ef1c n\u00e9n, ch\u1ed1ng th\u1ea5m. D\u00f9ng cho k\u1ebft c\u1ea5u ch\u1ecbu t\u1ea3i n\u1eb7ng nh\u01b0 m\u00f3ng, t\u01b0\u1eddng bao, b\u1ec3 ng\u1ea7m.<\/td>\n<td style=\"text-align: left;\">Ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao (&gt;1300\u00b0C), c\u00e1ch nhi\u1ec7t. D\u00f9ng \u0111\u1ec3 x\u00e2y l\u00f2 nung, l\u00f2 s\u01b0\u1edfi, \u1ed1ng kh\u00f3i.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u0110\u1eb7c t\u00ednh v\u1eadt l\u00fd<\/strong><\/td>\n<td style=\"text-align: left;\">Si\u00eau c\u1ee9ng, \u0111\u1eb7c, n\u1eb7ng, \u0111\u1ed9 h\u00fat n\u01b0\u1edbc c\u1ef1c th\u1ea5p. Gi\u1eef nhi\u1ec7t k\u00e9m v\u00e0 d\u1eabn nhi\u1ec7t t\u01b0\u01a1ng \u0111\u1ed1i t\u1ed1t.<\/td>\n<td style=\"text-align: left;\">C\u1ea5u tr\u00fac x\u1ed1p h\u01a1n \u0111\u1ec3 c\u00e1ch nhi\u1ec7t, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 h\u01a1n g\u1ea1ch ch\u00e1y, ch\u1ecbu l\u1ef1c n\u00e9n k\u00e9m h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Th\u00e0nh ph\u1ea7n ch\u00ednh<\/strong><\/td>\n<td style=\"text-align: left;\">Ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ea5t s\u00e9t \u0111\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 qu\u00e1 ng\u01b0\u1ee1ng ti\u00eau chu\u1ea9n th\u00f4ng th\u01b0\u1eddng.<\/td>\n<td style=\"text-align: left;\">\u0110\u1ea5t s\u00e9t ch\u1ecbu l\u1eeda (sa m\u1ed1t), b\u1ed9t nh\u00f4m ho\u1eb7c c\u00e1c kho\u00e1ng ch\u1ea5t \u0111\u1eb7c bi\u1ec7t kh\u00e1c.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>S\u1eed d\u1ee5ng sai m\u1ee5c \u0111\u00edch hai lo\u1ea1i g\u1ea1ch n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng. D\u00f9ng g\u1ea1ch ch\u1ecbu l\u1eeda \u0111\u1ec3 x\u00e2y m\u00f3ng s\u1ebd kh\u00f4ng \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c, trong khi d\u00f9ng g\u1ea1ch ch\u00e1y x\u00e2y l\u00f2 s\u1ebd khi\u1ebfn l\u00f2 b\u1ecb n\u1ee9t v\u1ee1 do kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ed1c nhi\u1ec7t.<\/p>\n<h2 id=\"7mtscuhilinquan\"><span class=\"ez-toc-section\" id=\"7_Mot_so_cau_hoi_lien_quan\"><\/span>7. M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"71gchchyvgchtuynelloinotthnxymng\"><span class=\"ez-toc-section\" id=\"71_Gach_chay_va_gach_tuynel_loai_nao_tot_hon_de_xay_mong\"><\/span>7.1. G\u1ea1ch ch\u00e1y v\u00e0 g\u1ea1ch tuynel lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n \u0111\u1ec3 x\u00e2y m\u00f3ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u1ea1ch ch\u00e1y v\u01b0\u1ee3t tr\u1ed9i h\u01a1n g\u1ea1ch tuynel th\u00f4ng th\u01b0\u1eddng v\u1ec1 \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m. Do \u0111\u00f3, \u0111\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n cho h\u1ea1ng m\u1ee5c m\u00f3ng, \u0111\u1eb7c bi\u1ec7t \u1edf khu v\u1ef1c \u1ea9m \u01b0\u1edbt ho\u1eb7c n\u1ec1n \u0111\u1ea5t y\u1ebfu.<\/p>\n<figure id=\"attachment_47800\" aria-describedby=\"caption-attachment-47800\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47800\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-7.jpg\" alt=\"G\u1ea1ch ch\u00e1y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n g\u1ea1ch tuynel trong vi\u1ec7c l\u00e0m m\u00f3ng nh\u00e0\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-7.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-7-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-7-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-7-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47800\" class=\"wp-caption-text\">G\u1ea1ch ch\u00e1y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n g\u1ea1ch tuynel trong vi\u1ec7c l\u00e0m m\u00f3ng nh\u00e0<\/figcaption><\/figure>\n<h3 id=\"72gigchchyctkhng\"><span class=\"ez-toc-section\" id=\"72_Gia_gach_chay_co_dat_khong\"><\/span>7.2. Gi\u00e1 g\u1ea1ch ch\u00e1y c\u00f3 \u0111\u1eaft kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G\u1ea1ch ch\u00e1y th\u01b0\u1eddng c\u00f3 gi\u00e1 cao h\u01a1n g\u1ea1ch tuynel lo\u1ea1i A m\u1ed9t ch\u00fat do y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt nung cao h\u01a1n. Tuy nhi\u00ean, x\u00e9t v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ef1 an to\u00e0n l\u00e2u d\u00e0i cho c\u00f4ng tr\u00ecnh, \u0111\u00e2y l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 ho\u00e0n to\u00e0n x\u1ee9ng \u0111\u00e1ng.<\/p>\n<h3 id=\"73dnggchchyxynhccnchngthmthmkhng\"><span class=\"ez-toc-section\" id=\"73_Dung_gach_chay_xay_nha_co_can_chong_tham_them_khong\"><\/span>7.3. D\u00f9ng g\u1ea1ch ch\u00e1y x\u00e2y nh\u00e0 c\u00f3 c\u1ea7n ch\u1ed1ng th\u1ea5m th\u00eam kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1eb7c d\u00f9 g\u1ea1ch ch\u00e1y ch\u1ed1ng th\u1ea5m r\u1ea5t t\u1ed1t, nh\u01b0ng b\u1ea1n n\u00ean k\u1ebft h\u1ee3p c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng th\u1ea5m b\u1ed5 sung nh\u01b0 qu\u00e9t <a href=\"https:\/\/maotrung.com\/collections\/son-paint\" target=\"_blank\" rel=\"noopener\">s\u01a1n ch\u1ed1ng th\u1ea5m<\/a> ho\u1eb7c d\u00e1n m\u00e0ng bitum cho t\u01b0\u1eddng m\u00f3ng \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 t\u1ed1i \u0111a.<\/p>\n<figure id=\"attachment_47801\" aria-describedby=\"caption-attachment-47801\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-47801\" src=\"http:\/\/maotrung.zweb.vn\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-8.jpg\" alt=\"B\u1ea1n v\u1eabn n\u00ean ch\u1ed1ng th\u1ea5m cho t\u01b0\u1eddng g\u1ea1ch ch\u00e1y \u0111\u1ec3 gia t\u0103ng \u0111\u1ed9 b\u1ec1n\" width=\"800\" height=\"450\" srcset=\"https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-8.jpg 800w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-8-300x169.jpg 300w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-8-768x432.jpg 768w, https:\/\/source-maotrung.s3.vn-hcm-1.vietnix.cloud\/wp-content\/uploads\/2025\/07\/gach-chay-la-gi-8-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-47801\" class=\"wp-caption-text\">B\u1ea1n v\u1eabn n\u00ean ch\u1ed1ng th\u1ea5m cho t\u01b0\u1eddng g\u1ea1ch ch\u00e1y \u0111\u1ec3 gia t\u0103ng \u0111\u1ed9 b\u1ec1n<\/figcaption><\/figure>\n<p><strong>Xem th\u00eam<\/strong>:<\/p>\n<ul>\n<li><a href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-dong-chat-la-gi-47137\" target=\"_blank\" rel=\"noopener\">G\u1ea1ch \u0111\u1ed3ng ch\u1ea5t l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m, top c\u00e1c lo\u1ea1i g\u1ea1ch ph\u1ed5 bi\u1ebfn<\/a><\/li>\n<li><a href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-men-la-gi-47132\" target=\"_blank\" rel=\"noopener\">G\u1ea1ch men l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o, ph\u00e2n lo\u1ea1i v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a g\u1ea1ch men<\/a><\/li>\n<li><a href=\"https:\/\/maotrung.com\/blogs\/kien-thuc-chung\/gach-men-matt-la-gi-47135\" target=\"_blank\" rel=\"noopener\">G\u1ea1ch men matt l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m, \u1ee9ng d\u1ee5ng<\/a><\/li>\n<\/ul>\n<p><em>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o mua \u0111\u01b0\u1ee3c g\u1ea1ch ch\u00e1y ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 c\u00f3 ngu\u1ed3n g\u1ed1c r\u00f5 r\u00e0ng, h\u00e3y \u0111\u1ebfn c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn. Li\u00ean h\u1ec7 <strong>Mao Trung Home<\/strong> qua hotline <a href=\"tel:0903572468\">0903 572 468<\/a> ho\u1eb7c truy c\u1eadp website <a href=\"https:\/\/maotrung.com\/\" target=\"_blank\" rel=\"noopener\">maotrung.com<\/a> \u0111\u1ec3 kh\u00e1m ph\u00e1 th\u00eam h\u00e0ng tr\u0103m m\u1eabu g\u1ea1ch m\u1edbi nh\u1ea5t.<br \/>\n<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u1ea1ch ch\u00e1y l\u00e0 lo\u1ea1i g\u1ea1ch \u0111\u1ea5t nung \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 k\u1ebft c\u1ea5u \u0111\u1eb7c ch\u1eafc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c t\u1ed1t h\u01a1n so v\u1edbi g\u1ea1ch th\u00f4ng th\u01b0\u1eddng. Nh\u1edd \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i, v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong thi c\u00f4ng n\u1ec1n m\u00f3ng &#8211; ph\u1ea7n k\u1ebft c\u1ea5u quan tr\u1ecdng h\u00e0ng&#8230;<\/p>\n","protected":false},"author":5,"featured_media":47870,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3921,3925],"tags":[],"class_list":["post-47146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-chung","category-dinh-nghia"],"acf":[],"_links":{"self":[{"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/posts\/47146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/comments?post=47146"}],"version-history":[{"count":18,"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/posts\/47146\/revisions"}],"predecessor-version":[{"id":94964,"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/posts\/47146\/revisions\/94964"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/media\/47870"}],"wp:attachment":[{"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/media?parent=47146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/categories?post=47146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maotrung.com\/blogs\/wp-json\/wp\/v2\/tags?post=47146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}