{"id":8590,"date":"2025-05-16T15:06:45","date_gmt":"2025-05-16T08:06:45","guid":{"rendered":"https:\/\/dufago.com.vn\/?p=8590"},"modified":"2025-10-11T08:53:41","modified_gmt":"2025-10-11T01:53:41","slug":"tieu-chuan-bao-duong-be-tong-moi-nhat-tcvn-88282011","status":"publish","type":"post","link":"https:\/\/dufago.com.vn\/en\/tieu-chuan-bao-duong-be-tong-moi-nhat-tcvn-88282011\/","title":{"rendered":"Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t: TCVN 8828:2011"},"content":{"rendered":"

TCVN 8828:2011 l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c gia \u0111\u00f3ng vai tr\u00f2 kim ch\u1ec9 nam cho c\u00f4ng t\u00e1c b\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean b\u00ea t\u00f4ng v\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p t\u1ea1i Vi\u1ec7t Nam.<\/span><\/strong><\/p>\n

Vi\u1ec7c tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n n\u00e0y, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong t\u1eebng giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng, l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf, h\u1ea1n ch\u1ebf n\u1ee9t, v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c y\u00eau c\u1ea7u chi ti\u1ebft cho t\u1eebng giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean theo TCVN 8828:2011.<\/span><\/strong><\/p>\n

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Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n

T\u1ea1i sao ph\u1ea3i b\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean cho b\u00ea t\u00f4ng?<\/span><\/strong><\/h2>\n

B\u00ea t\u00f4ng \u0111\u00f4ng c\u1ee9ng v\u00e0 ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc g\u1ecdi l\u00e0 “th\u1ee7y h\u00f3a” gi\u1eefa xi m\u0103ng v\u00e0 n\u01b0\u1edbc. B\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean cho b\u00ea t\u00f4ng ch\u00ednh l\u00e0 vi\u1ec7c duy tr\u00ec \u0111\u1ee7 l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p \u0111\u1ec3 qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a di\u1ec5n ra thu\u1eadn l\u1ee3i.<\/span><\/p>\n

– N\u1ebfu b\u00ea t\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng k\u1ef9, b\u1ecb kh\u00f4 qu\u00e1 s\u1edbm:<\/span><\/p>\n

– C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng s\u1ebd kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u.<\/span><\/p>\n

– B\u1ec1 m\u1eb7t b\u00ea t\u00f4ng d\u1ec5 b\u1ecb n\u1ee9t do co ng\u00f3t.<\/span><\/p>\n

– Kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a b\u00ea t\u00f4ng gi\u1ea3m.<\/span><\/p>\n

– Tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh b\u1ecb \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng.<\/span><\/p>\n

Do \u0111\u00f3, ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng TCVN 8828:2011<\/strong> ra \u0111\u1eddi \u0111\u1ec3 chu\u1ea9n h\u00f3a c\u00e1c quy tr\u00ecnh n\u00e0y.<\/span><\/p>\n

Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t trong TCVN 8828:2011<\/span><\/strong><\/h2>\n

TCVN 8828:2011 quy \u0111\u1ecbnh r\u1eb1ng qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh li\u00ean t\u1ee5c ngay sau khi ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng (\u0111\u1ed5, \u0111\u1ea7m, l\u00e0m m\u1eb7t) cho \u0111\u1ebfn khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 b\u1ea3o d\u01b0\u1ee1ng t\u1edbi h\u1ea1n.<\/span><\/p>\n

\u00a0Ti\u00eau chu\u1ea9n n\u00e0y chia qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng th\u00e0nh hai giai \u0111o\u1ea1n ch\u00ednh: b\u1ea3o d\u01b0\u1ee1ng ban \u0111\u1ea7u v\u00e0 b\u1ea3o d\u01b0\u1ee1ng ti\u1ebfp theo.<\/span><\/p>\n

Quy tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt 2025<\/span><\/strong><\/h2>\n

Vi\u1ec7c n\u1eafm r\u00f5 v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1c y\u00eau c\u1ea7u cho m\u1ed7i giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft.<\/span><\/p>\n

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Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n

Giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng ban \u0111\u1ea7u – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng sau khi \u0111\u1ed5<\/span><\/strong><\/h3>\n

\u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n c\u1ef1c k\u1ef3 quan tr\u1ecdng, di\u1ec5n ra ngay sau khi b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t. M\u1ee5c ti\u00eau ch\u00ednh l\u00e0 ch\u1ed1ng m\u1ea5t n\u01b0\u1edbc cho b\u00ea t\u00f4ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u1edbp b\u1ec1 m\u1eb7t.<\/span><\/p>\n

M\u1ee5c ti\u00eau c\u1ee7a b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng ngay sau khi \u0111\u1ed5<\/span><\/strong><\/h4>\n

– Ng\u0103n ch\u1eb7n s\u1ef1 b\u1ed1c h\u01a1i n\u01b0\u1edbc \u0111\u1ed9t ng\u1ed9t t\u1eeb b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng do n\u1eafng, gi\u00f3.<\/span><\/p>\n

– Gi\u1ea3m thi\u1ec3u nguy c\u01a1 n\u1ee9t b\u1ec1 m\u1eb7t do co ng\u00f3t d\u1ebbo.<\/span><\/p>\n

– T\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho l\u1edbp b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a.<\/span><\/p>\n

C\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt trong b\u1ea3o d\u01b0\u1ee1ng ban \u0111\u1ea7u theo TCVN 8828:2011<\/span><\/strong><\/h4>\n

Ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u \u00e1p d\u1ee5ng ngay c\u00e1c bi\u1ec7n ph\u00e1p gi\u1eef \u1ea9m sau khi ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t. C\u00e1c bi\u1ec7n ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/span><\/p>\n

Bi\u1ec7n ph\u00e1p che ph\u1ee7 b\u1ec1 m\u1eb7t:<\/strong> S\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u ph\u1ee7 ph\u00f9 h\u1ee3p nh\u01b0 t\u1ea5m b\u1ea1t PE (polyethylene), v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt, bao t\u1ea3i \u1ea9m, r\u01a1m r\u1ea1 (\u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m \u1ea9m v\u00e0 kh\u00f4ng ch\u1ee9a ch\u1ea5t g\u00e2y h\u1ea1i). V\u1eadt li\u1ec7u ph\u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m \u1ea9m tr\u01b0\u1edbc khi ph\u1ee7 v\u00e0 gi\u1eef \u1ea9m li\u00ean t\u1ee5c. M\u00e9p c\u1ee7a v\u1eadt li\u1ec7u ph\u1ee7 ph\u1ea3i ch\u1eddm l\u00ean nhau v\u00e0 che k\u00edn to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t h\u1edf c\u1ee7a b\u00ea t\u00f4ng.<\/span><\/p>\n

Bi\u00ean ph\u00e1p phun n\u01b0\u1edbc d\u1ea1ng s\u01b0\u01a1ng<\/strong> (th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n cho ph\u00e9p): Ch\u1ec9 \u00e1p d\u1ee5ng khi b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u1ee7 se m\u1eb7t \u0111\u1ec3 kh\u00f4ng b\u1ecb d\u00f2ng n\u01b0\u1edbc l\u00e0m h\u1ecfng. Phun \u0111\u1ec1u, nh\u1eb9 nh\u00e0ng, tr\u00e1nh g\u00e2y x\u00f3i m\u00f2n b\u1ec1 m\u1eb7t.<\/span><\/p>\n

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Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n

S\u1eed d\u1ee5ng h\u1ee3p ch\u1ea5t b\u1ea3o d\u01b0\u1ee1ng (Curing Compounds): C\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng, ng\u0103n c\u1ea3n s\u1ef1 b\u1ed1c h\u01a1i n\u01b0\u1edbc. Vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ea3i tu\u00e2n theo ch\u1ec9 d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 c\u00e1c quy \u0111\u1ecbnh li\u00ean quan trong ti\u00eau chu\u1ea9n.<\/span><\/p>\n

Th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng ban \u0111\u1ea7u theo ti\u00eau chu\u1ea9n m\u1edbi nh\u1ea5t<\/span><\/strong><\/h4>\n

– Th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng ban \u0111\u1ea7u c\u1ea7n \u0111\u01b0\u1ee3c duy tr\u00ec li\u00ean t\u1ee5c.<\/span><\/p>\n

– \u0110\u1ed1i v\u1edbi b\u00ea t\u00f4ng th\u01b0\u1eddng, giai \u0111o\u1ea1n n\u00e0y k\u00e9o d\u00e0i \u00edt nh\u1ea5t t\u1eeb 4 \u0111\u1ebfn 6 gi\u1edd sau khi ho\u00e0n thi\u1ec7n, t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu (nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, t\u1ed1c \u0111\u1ed9 gi\u00f3) v\u00e0 lo\u1ea1i xi m\u0103ng s\u1eed d\u1ee5ng.<\/span><\/p>\n

– Trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft n\u1eafng n\u00f3ng, kh\u00f4 hanh, gi\u00f3 m\u1ea1nh, c\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd v\u00e0 c\u00f3 th\u1ec3 c\u1ea7n k\u00e9o d\u00e0i h\u01a1n ho\u1eb7c t\u0103ng c\u01b0\u1eddng bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7.<\/span><\/p>\n

See more: Chi ti\u1ebft c\u00e1c b\u01b0\u1edbc b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng sau khi \u0111\u1ed5<\/a><\/strong><\/p>\n

Giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng ti\u1ebfp theo<\/span><\/strong><\/h3>\n

Sau giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng ban \u0111\u1ea7u, b\u00ea t\u00f4ng b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng ti\u1ebfp theo. M\u1ee5c ti\u00eau l\u00e0 duy tr\u00ec \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft cho \u0111\u1ebfn khi b\u00ea t\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 b\u1ea3o d\u01b0\u1ee1ng t\u1edbi h\u1ea1n ho\u1eb7c c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt kh\u00e1c theo thi\u1ebft k\u1ebf.<\/span><\/p>\n

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Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n

M\u1ee5c ti\u00eau c\u1ee7a b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng giai \u0111o\u1ea1n ti\u1ebfp<\/span><\/strong><\/h4>\n

– \u0110\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a c\u1ee7a xi m\u0103ng di\u1ec5n ra \u0111\u1ea7y \u0111\u1ee7 v\u00e0 tri\u1ec7t \u0111\u1ec3.<\/span><\/p>\n

– Gi\u00fap b\u00ea t\u00f4ng ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i \u0111a.<\/span><\/p>\n

– N\u00e2ng cao \u0111\u1ed9 \u0111\u1eb7c ch\u1eafc, kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i c\u1ee7a b\u00ea t\u00f4ng.<\/span><\/p>\n

C\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt trong giai \u0111o\u1ea1n ti\u1ebfp theo \u0111\u1ea1t TCVN 8828:2011<\/span><\/strong><\/h4>\n

Ti\u00eau chu\u1ea9n khuy\u1ebfn kh\u00edch c\u00e1c bi\u1ec7n ph\u00e1p gi\u1eef \u1ea9m li\u00ean t\u1ee5c v\u00e0 hi\u1ec7u qu\u1ea3 cho b\u00ea t\u00f4ng nh\u01b0 sau:<\/span><\/p>\n

T\u01b0\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean:<\/strong> B\u1ec1 m\u1eb7t b\u00ea t\u00f4ng c\u1ea7n \u0111\u01b0\u1ee3c gi\u1eef \u1ea9m li\u00ean t\u1ee5c b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch, t\u1ea7n su\u1ea5t t\u00f9y thu\u1ed9c v\u00e0o th\u1eddi ti\u1ebft, \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb kh\u00f4 tr\u1eafng.<\/span><\/p>\n

Ng\u00e2m n\u01b0\u1edbc:<\/strong> \u00c1p d\u1ee5ng cho c\u00e1c c\u1ea5u ki\u1ec7n c\u00f3 b\u1ec1 m\u1eb7t ph\u1eb3ng ho\u1eb7c d\u1ea1ng ao, b\u1ec3 nh\u01b0 s\u00e0n, m\u00e1i b\u1eb1ng. T\u1ea1o c\u00e1c g\u1edd ng\u0103n \u0111\u1ec3 gi\u1eef m\u1ed9t l\u1edbp n\u01b0\u1edbc m\u1ecfng (kho\u1ea3ng 2-5cm) tr\u00ean b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng.<\/span><\/p>\n

Duy tr\u00ec l\u1edbp v\u1eadt li\u1ec7u ph\u1ee7 \u00e2m:<\/strong> Ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u ph\u1ee7 b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng nh\u01b0 bao t\u1ea3i, v\u1ea3i \u0111\u1ecba, c\u00e1t \u1ea9m. C\u00e1c v\u1eadt li\u1ec7u n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c t\u01b0\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 \u1ea9m.<\/span><\/p>\n

B\u1ea3o d\u01b0\u1ee1ng b\u1eb1ng h\u01a1i n\u01b0\u1edbc:<\/strong> \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 c\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n ho\u1eb7c trong \u0111i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o d\u01b0\u1ee1ng b\u1eb1ng h\u01a1i n\u01b0\u1edbc theo c\u00e1c quy tr\u00ecnh k\u1ef9 thu\u1eadt ri\u00eang.<\/span><\/p>\n

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Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n

Th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng sau giai \u0111o\u1ea1n \u0111\u1ea7u<\/span><\/strong><\/h4>\n

Th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng ti\u1ebfp theo \u0111\u01b0\u1ee3c TCVN 8828:2011 quy \u0111\u1ecbnh d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1:<\/span><\/p>\n

– Lo\u1ea1i b\u00ea t\u00f4ng v\u00e0 c\u1ea5p ph\u1ed1i: B\u00ea t\u00f4ng s\u1eed d\u1ee5ng xi m\u0103ng poocl\u0103ng (PC), xi m\u0103ng poocl\u0103ng h\u1ed7n h\u1ee3p (PCB), xi m\u0103ng poocl\u0103ng b\u1ec1n sunfat, b\u00ea t\u00f4ng m\u00e1c cao, b\u00ea t\u00f4ng c\u00f3 ph\u1ee5 gia… s\u1ebd c\u00f3 y\u00eau c\u1ea7u th\u1eddi gian kh\u00e1c nhau.<\/span><\/p>\n

– \u0110i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu: Ti\u00eau chu\u1ea9n ph\u00e2n chia 3 v\u00f9ng kh\u00ed h\u1eadu (A, B, C) t\u1ea1i Vi\u1ec7t Nam v\u1edbi c\u00e1c y\u00eau c\u1ea7u th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng kh\u00e1c nhau:<\/span><\/p>\n

– M\u00f9a thi c\u00f4ng: M\u00f9a kh\u00f4 hay m\u00f9a m\u01b0a c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u1ea3o d\u01b0\u1ee1ng.<\/span><\/p>\n

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Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n

– K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ea5u ki\u1ec7n: C\u00e1c c\u1ea5u ki\u1ec7n l\u1edbn, \u043c\u0430\u0441\u0441\u0438\u0432 (massive) c\u00f3 th\u1ec3 c\u1ea7n th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng d\u00e0i h\u01a1n.<\/span><\/p>\n

Th\u00f4ng th\u01b0\u1eddng, th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng ti\u1ebfp theo t\u1ed1i thi\u1ec3u l\u00e0 7 ng\u00e0y \u0111\u1ed1i v\u1edbi b\u00ea t\u00f4ng s\u1eed d\u1ee5ng xi m\u0103ng PC th\u00f4ng th\u01b0\u1eddng trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. Tuy nhi\u00ean, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u0111\u1ebfn 14 ng\u00e0y, 21 ng\u00e0y ho\u1eb7c h\u01a1n t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 tr\u00ean v\u00e0 y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf.<\/span><\/p>\n

See more: 3 ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng \u00e1p d\u1ee5ng th\u01b0\u1eddng xuy\u00ean nh\u1ea5t<\/a><\/strong><\/p>\n

Nh\u1eefng l\u01b0u \u00fd \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng \u1ea9m t\u1ef1 nhi\u00ean hi\u1ec7u qu\u1ea3<\/span><\/strong><\/h2>\n

N\u01b0\u1edbc s\u1eed d\u1ee5ng b\u1ea3o d\u01b0\u1ee1ng:<\/strong> TCVN 8828:2011 quy \u0111\u1ecbnh n\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 t\u01b0\u1edbi, phun ho\u1eb7c tr\u1ed9n l\u00e0 n\u01b0\u1edbc s\u1ea1ch, kh\u00f4ng ch\u1ee9a d\u1ea7u m\u1ee1, axit, mu\u1ed1i, \u0111\u01b0\u1eddng, ch\u1ea5t h\u1eefu c\u01a1 ho\u1eb7c c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c.<\/span><\/p>\n

Ki\u1ec3m tra v\u00e0 gi\u00e1m s\u00e1t:<\/strong> C\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u1eb7t ch\u1ebd su\u1ed1t c\u1ea3 qu\u00e1 tr\u00ecnh, \u0111<\/span>\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng lu\u00f4n \u1ea9m, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c g\u00f3c c\u1ea1nh, b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi n\u1eafng gi\u00f3. Ghi ch\u00e9p nh\u1eadt k\u00fd b\u1ea3o d\u01b0\u1ee1ng: th\u1eddi gian b\u1eaft \u0111\u1ea7u, c\u00e1c bi\u1ec7n ph\u00e1p \u00e1p d\u1ee5ng, t\u1ea7n su\u1ea5t t\u01b0\u1edbi, \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft.<\/span><\/span><\/p>\n

\u1ea2nh h\u01b0\u1edfng c\u1ee7a th\u1eddi ti\u1ebft:\u00a0<\/span><\/strong><\/p>\n

– N\u1eafng g\u1eaft, nhi\u1ec7t \u0111\u1ed9 cao: T\u0103ng c\u01b0\u1eddng che ph\u1ee7, t\u01b0\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean h\u01a1n \u0111\u1ec3 b\u00f9 l\u1ea1i l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ed1c h\u01a1i nhanh.<\/span><\/p>\n

– Gi\u00f3 m\u1ea1nh: Gi\u00f3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 b\u1ed1c h\u01a1i n\u01b0\u1edbc. C\u1ea7n c\u00f3 bi\u1ec7n ph\u00e1p che ch\u1eafn gi\u00f3 v\u00e0 gi\u1eef \u1ea9m b\u1ec1 m\u1eb7t hi\u1ec7u qu\u1ea3.<\/span><\/p>\n

– M\u01b0a: N\u1ebfu m\u01b0a nh\u1ecf v\u00e0 \u0111\u1ec1u, c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh gi\u1eef \u1ea9m. Tuy nhi\u00ean, m\u01b0a l\u1edbn ngay sau khi \u0111\u1ed5 b\u00ea t\u00f4ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ec1 m\u1eb7t. C\u1ea7n c\u00f3 bi\u1ec7n ph\u00e1p che ch\u1eafn ph\u00f9 h\u1ee3p.<\/span><\/p>\n

– Nhi\u1ec7t \u0111\u1ed9 th\u1ea5p: Qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a ch\u1eadm l\u1ea1i. C\u1ea7n k\u00e9o d\u00e0i th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng. Tr\u00e1nh \u0111\u1ec3 b\u00ea t\u00f4ng b\u1ecb \u0111\u00f3ng b\u0103ng trong giai \u0111o\u1ea1n \u0111\u1ea7u.<\/span><\/p>\n

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Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n

Ti\u00eau chu\u1ea9n b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng m\u1edbi nh\u1ea5t TCVN 8828:2011 c\u00f2n hi\u1ec7u l\u1ef1c kh\u00f4ng?<\/span><\/strong><\/h2>\n

Ti\u00eau chu\u1ea9n qu\u1ed1c gia TCVN 8828:2011 v\u1ec1 B\u00ea t\u00f4ng – Y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean (n\u0103m 2011) v\u1eabn \u0111ang c\u00f2n hi\u1ec7u l\u1ef1c v\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong l\u0129nh v\u1ef1c x\u00e2y d\u1ef1ng t\u1ea1i Vi\u1ec7t Nam \u0111\u1ebfn th\u00e1ng 5\/2025.<\/span><\/p>\n

Hi\u1ec7u l\u1ef1c s\u1ebd k\u1ebft th\u00fac khi c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n m\u1edbi thay th\u1ebf ho\u1eb7c c\u00f3 quy\u1ebft \u0111\u1ecbnh h\u1ee7y b\u1ecf hi\u1ec7u l\u1ef1c t\u1eeb c\u01a1 quan nh\u00e0 n\u01b0\u1edbc c\u00f3 th\u1ea9m quy\u1ec1n (T\u1ed5ng c\u1ee5c Ti\u00eau chu\u1ea9n \u0110o l\u01b0\u1eddng Ch\u1ea5t l\u01b0\u1ee3ng – STAMEQ).<\/span><\/p>\n

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B\u00ea t\u00f4ng t\u01b0\u01a1i Dufago<\/figcaption><\/figure>\n

DUFAGO CONCRETE<\/span><\/strong><\/a><\/span><\/p>\n

\u2013 MST:<\/strong>\u00a00402099824<\/span><\/p>\n

\u2013 Hotline:<\/strong> 0915737973<\/span><\/p>\n

\u2013 VP\u0110D:<\/strong>\u00a076 \u2013 78 B\u1ea1ch \u0110\u1eb1ng, H\u1ea3i Ch\u00e2u, \u0110\u00e0 N\u1eb5ng<\/span><\/p>\n

\u2013 Nh\u00e0 m\u00e1y B\u00ea t\u00f4ng Dufago C\u1ea9m L\u1ec7:<\/strong>\u00a0Ho\u00e0 Th\u1ecd T\u00e2y, C\u1ea9m L\u1ec7, \u0110\u00e0 N\u1eb5ng<\/span><\/p>\n

\u2013 Nh\u00e0 m\u00e1y B\u00ea t\u00f4ng Dufago Thanh Vinh:<\/strong>\u00a0\u0110\u01b0\u1eddng S\u1ed1 1, Ho\u00e0 Li\u00ean, H\u00f2a Vang, \u0110\u00e0 N\u1eb5ng<\/span><\/p>\n

\u2013 Nh\u00e0 m\u00e1y B\u00ea t\u00f4ng Dufago Chu Lai:<\/strong>\u00a0Khu c\u00f4ng nghi\u1ec7p v\u00e0 h\u1eadu c\u1ea7n C\u1ea3ng Chu Lai, Tam Hi\u1ec7p, N\u00fai Th\u00e0nh, Qu\u1ea3ng Nam<\/span><\/p>\n

\u2013 Nh\u00e0 m\u00e1y B\u00ea t\u00f4ng Dufago T\u1ecbnh Phong:<\/strong>\u00a0C\u1ee5m C\u00f4ng nghi\u1ec7p T\u1ecbnh Phong, T\u1ecbnh Phong, S\u01a1n T\u1ecbnh, Qu\u1ea3ng Ng\u00e3i<\/span><\/p>","protected":false},"excerpt":{"rendered":"

TCVN 8828:2011 l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c gia \u0111\u00f3ng vai tr\u00f2 kim ch\u1ec9 nam cho c\u00f4ng t\u00e1c b\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean b\u00ea t\u00f4ng v\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p t\u1ea1i Vi\u1ec7t Nam. Vi\u1ec7c tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n n\u00e0y, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong t\u1eebng giai \u0111o\u1ea1n b\u1ea3o d\u01b0\u1ee1ng, l\u00e0 y\u1ebfu t\u1ed1 […]<\/p>","protected":false},"author":7,"featured_media":8606,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,35],"tags":[],"class_list":["post-8590","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-trong-nganh","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/8590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/comments?post=8590"}],"version-history":[{"count":8,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/8590\/revisions"}],"predecessor-version":[{"id":9563,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/8590\/revisions\/9563"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/media\/8606"}],"wp:attachment":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/media?parent=8590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/categories?post=8590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/tags?post=8590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}