{"id":136,"date":"2026-09-19T17:58:51","date_gmt":"2026-09-19T10:53:32","guid":{"rendered":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/gach-the-60x200-can-bao-nhieu-vien-1m2\/"},"modified":"2026-10-20T00:58:51","modified_gmt":"2026-10-19T17:58:51","slug":"gach-the-60x200-can-bao-nhieu-vien-1m2","status":"publish","type":"post","link":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/gach-the-60x200-can-bao-nhieu-vien-1m2\/","title":{"rendered":"G\u1ea1ch th\u1ebb 60\u00d7200 c\u1ea7n bao nhi\u00eau vi\u00ean cho 1 m\u00b2?"},"content":{"rendered":"<h2>C\u00f4ng th\u1ee9c t\u00ednh nhanh<\/h2>\n<p>S\u1ed1 vi\u00ean\/m\u00b2 = 1.000.000 \u00f7 [(d\u00e0i + ron) \u00d7 (cao + ron)] (\u0111\u01a1n v\u1ecb mm). V\u1edbi g\u1ea1ch 60\u00d7200 mm v\u00e0 ron 10 mm: 1.000.000 \u00f7 (210 \u00d7 70) \u2248 68 vi\u00ean\/m\u00b2. Ron 8 mm cho 71 vi\u00ean, ron 12 mm cho 65 vi\u00ean.<\/p>\n<h2>C\u1ed9ng hao h\u1ee5t theo ki\u1ec3u x\u1ebfp<\/h2>\n<p>Ch\u1ea1y d\u00e0i 5%, ch\u1eef c\u00f4ng 5%, x\u1ebfp \u0111\u1ee9ng 7%, \u0111an gi\u1ecf 8%, x\u01b0\u01a1ng c\u00e1 12%. C\u00f4ng tr\u00ecnh c\u00f3 nhi\u1ec1u c\u1eeda s\u1ed5, g\u00f3c c\u1ea1nh n\u00ean c\u1ed9ng th\u00eam 2\u20133%.<\/p>\n<h2>V\u00ed d\u1ee5: t\u01b0\u1eddng 20 m\u00b2<\/h2>\n<p>X\u1ebfp ch\u1ea1y d\u00e0i, ron 10 mm: 20 \u00d7 68 = 1.360 vi\u00ean; c\u1ed9ng 5% hao h\u1ee5t = 1.428 vi\u00ean; \u0111\u00f3ng th\u00f9ng 50 vi\u00ean n\u00ean c\u1ea7n 29 th\u00f9ng. Kh\u1ed1i l\u01b0\u1ee3ng kho\u1ea3ng 29 \u00d7 50 \u00d7 0,27 = 392 kg \u2014 d\u00f9ng \u0111\u1ec3 \u01b0\u1edbc t\u00ednh ph\u00ed v\u1eadn chuy\u1ec3n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f4ng th\u1ee9c t\u00ednh s\u1ed1 vi\u00ean g\u1ea1ch th\u1ebb 60\u00d7200 mm tr\u00ean 1 m\u00b2 theo \u0111\u1ed9 r\u1ed9ng ron, c\u1ed9ng hao h\u1ee5t t\u1eebng ki\u1ec3u x\u1ebfp v\u00e0 v\u00ed d\u1ee5 t\u00ednh cho t\u01b0\u1eddng 20 m\u00b2.<\/p>\n","protected":false},"author":45,"featured_media":135,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chon-gach"],"_links":{"self":[{"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/posts\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/comments?post=136"}],"version-history":[{"count":1,"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/posts\/136\/revisions"}],"predecessor-version":[{"id":179,"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/posts\/136\/revisions\/179"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/media\/135"}],"wp:attachment":[{"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/media?parent=136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/categories?post=136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo.marketingseotop.com\/gach-dat-nung\/wp-json\/wp\/v2\/tags?post=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}