{"id":9272,"date":"2025-08-06T16:07:18","date_gmt":"2025-08-06T09:07:18","guid":{"rendered":"https:\/\/dufago.com.vn\/?p=9272"},"modified":"2026-03-18T11:09:27","modified_gmt":"2026-03-18T04:09:27","slug":"5-cach-tinh-khoi-luong-be-tong-tuoi-can-dung-cho-cong-trinh","status":"publish","type":"post","link":"https:\/\/dufago.com.vn\/en\/5-cach-tinh-khoi-luong-be-tong-tuoi-can-dung-cho-cong-trinh\/","title":{"rendered":"5 C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng t\u01b0\u01a1i c\u1ea7n d\u00f9ng cho c\u00f4ng tr\u00ecnh"},"content":{"rendered":"

S\u1eafp \u0111\u1ed5 s\u00e0n nh\u01b0ng kh\u00f4ng bi\u1ebft n\u00ean \u0111\u1eb7t bao nhi\u00eau kh\u1ed1i b\u00ea t\u00f4ng t\u01b0\u01a1i? \u0110\u1eb7t thi\u1ebfu th\u00ec ph\u1ea3i g\u1ecdi th\u00eam xe gi\u1eefa ch\u1eebng – gi\u00e1n \u0111o\u1ea1n m\u1ea1ch \u0111\u1ed5, nguy c\u01a1 n\u1ee9t, \u0111\u1eb7t th\u1eeba th\u00ec l\u1ea1i ph\u00ed ti\u1ec1n. 5 c\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng t\u01b0\u01a1i r\u1ea5t \u0111\u01a1n gi\u1ea3n d\u01b0\u1edbi \u0111\u00e2y \u00e1p d\u1ee5ng cho t\u1eebng h\u1ea1ng m\u1ee5c gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n.<\/span><\/strong><\/p>\n

\"\"<\/p>\n

V\u00ec sao c\u1ea7n t\u00ednh to\u00e1n kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng t\u01b0\u01a1i ch\u00ednh x\u00e1c?<\/span><\/strong><\/h2>\n

T\u00ednh to\u00e1n ch\u00ednh x\u00e1c kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng t\u01b0\u01a1i kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n ch\u1ee7 \u0111\u1ed9ng v\u1ec1 m\u1eb7t t\u00e0i ch\u00ednh m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng c\u1ee7a to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh.<\/span><\/p>\n

– Ti\u1ebft ki\u1ec7m chi ph\u00ed:<\/strong> \u0110\u1eb7t \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng b\u00ea t\u00f4ng c\u1ea7n thi\u1ebft s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh l\u00e3ng ph\u00ed v\u1eadt t\u01b0 th\u1eeba v\u00e0 kh\u00f4ng ph\u1ea3i tr\u1ea3 th\u00eam chi ph\u00ed cho vi\u1ec7c x\u1eed l\u00fd b\u00ea t\u00f4ng d\u01b0. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c \u0111\u1eb7t thi\u1ebfu c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u1ea3i g\u1ecdi th\u00eam xe, t\u1ed1n k\u00e9m chi ph\u00ed v\u1eadn chuy\u1ec3n.<\/span><\/p>\n

– \u0110\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9:<\/strong> Vi\u1ec7c thi\u1ebfu b\u00ea t\u00f4ng gi\u1eefa ch\u1eebng c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ea1ch li\u00ean k\u1ebft c\u1ee7a kh\u1ed1i b\u00ea t\u00f4ng, ti\u1ec1m \u1ea9n nguy c\u01a1 n\u1ee9t v\u1ee1, kh\u00f4ng \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/p>\n

– Ch\u1ee7 \u0111\u1ed9ng t\u00e0i ch\u00ednh:<\/strong> Khi c\u00f3 con s\u1ed1 d\u1ef1 to\u00e1n ch\u00ednh x\u00e1c, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch v\u00e0 qu\u1ea3n l\u00fd chi ph\u00ed t\u1ed5ng th\u1ec3 cho c\u00f4ng tr\u00ecnh.<\/span><\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng t\u01b0\u01a1i<\/span><\/strong><\/h2>\n

\u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 ch\u00ednh x\u00e1c nh\u1ea5t, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 sau:<\/span><\/p>\n

– H\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ea5u ki\u1ec7n:<\/strong> M\u1ed7i c\u1ea5u ki\u1ec7n (m\u00f3ng, s\u00e0n, d\u1ea7m, c\u1ed9t) c\u00f3 h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau n\u00ean c\u00f4ng th\u1ee9c t\u00ednh c\u0169ng s\u1ebd kh\u00e1c nhau.<\/span><\/p>\n

– \u0110\u1ed9 d\u00e0y l\u1edbp b\u00ea t\u00f4ng:<\/strong> \u0110\u1ed9 d\u00e0y c\u00e0ng l\u1edbn, th\u1ec3 t\u00edch b\u00ea t\u00f4ng c\u1ea7n d\u00f9ng c\u00e0ng nhi\u1ec1u.<\/span><\/p>\n

– H\u1ec7 s\u1ed1 hao h\u1ee5t:<\/strong> Trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, b\u01a1m v\u00e0 \u0111\u1ed5, b\u00ea t\u00f4ng c\u00f3 th\u1ec3 b\u1ecb r\u01a1i v\u00e3i. C\u00e1c chuy\u00ean gia x\u00e2y d\u1ef1ng th\u01b0\u1eddng t\u00ednh th\u00eam m\u1ed9t h\u1ec7 s\u1ed1 hao h\u1ee5t t\u1eeb 3-5% \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 v\u1eadt t\u01b0.<\/span><\/p>\n

\"\"<\/p>\n

C\u00f4ng th\u1ee9c t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng t\u01b0\u01a1i c\u01a1 b\u1ea3n v\u00e0 t\u1ed5ng qu\u00e1t<\/span><\/strong><\/h2>\n

C\u00f4ng th\u1ee9c chung \u0111\u1ec3 t\u00ednh th\u1ec3 t\u00edch b\u00ea t\u00f4ng (Vbt\u200b) cho m\u1ecdi c\u1ea5u ki\u1ec7n h\u00ecnh kh\u1ed1i \u0111\u01a1n gi\u1ea3n l\u00e0:<\/span><\/p>\n

Vbt = Di\u1ec7n t\u00edch k\u1ebft c\u1ea5u x Chi\u1ec1u cao<\/span><\/strong><\/p>\n

ho\u1eb7c Vbt = Chi\u1ec1u d\u00e0i x Chi\u1ec1u r\u1ed9ng x Chi\u1ec1u cao<\/span><\/strong><\/p>\n

Trong \u0111\u00f3:<\/span><\/p>\n

– Vbt\u200b: Th\u1ec3 t\u00edch b\u00ea t\u00f4ng (\u0111\u01a1n v\u1ecb: m\u00e9t kh\u1ed1i – m3)<\/span><\/p>\n

– Di\u1ec7n t\u00edch k\u1ebft c\u1ea5u: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a c\u1ea5u ki\u1ec7n (m2)<\/span><\/p>\n

– Chi\u1ec1u d\u00e0i, Chi\u1ec1u r\u1ed9ng, Chi\u1ec1u cao: C\u00e1c k\u00edch th\u01b0\u1edbc c\u1ee7a c\u1ea5u ki\u1ec7n (\u0111\u01a1n v\u1ecb: m\u00e9t – m)<\/span><\/p>\n

1. C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng s\u00e0n<\/span><\/strong><\/h3>\n

S\u00e0n l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ea1ng m\u1ee5c c\u1ea7n t\u00ednh to\u00e1n nhi\u1ec1u nh\u1ea5t. C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ed5 r\u1ea5t nhanh v\u00ec s\u00e0n l\u00e0 h\u00ecnh kh\u1ed1i \u0111\u01a1n gi\u1ea3n.<\/span><\/p>\n

Vs\u00e0n = T\u1ed5ng di\u1ec7n t\u00edch s\u00e0n x \u0110\u1ed9 d\u00e0y l\u1edbp b\u00ea t\u00f4ng<\/span><\/strong><\/p>\n

V\u00ed d\u1ee5: B\u1ea1n c\u1ea7n \u0111\u1ed5 s\u00e0n cho m\u1ed9t t\u1ea7ng nh\u00e0 c\u00f3 k\u00edch th\u01b0\u1edbc 5m x 10m v\u1edbi \u0111\u1ed9 d\u00e0y 12cm (0.12m).<\/span><\/p>\n

– T\u1ed5ng di\u1ec7n t\u00edch s\u00e0n: 5m \u00d7 10m = 50m2<\/span><\/p>\n

– \u0110\u1ed9 d\u00e0y l\u1edbp b\u00ea t\u00f4ng: 0.12m<\/span><\/p>\n

Kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng c\u1ea7n d\u00f9ng: Vs\u00e0n = 50 x 0.12 = 6m3<\/span><\/p>\n

2. C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng m\u00f3ng<\/span><\/strong><\/h3>\n

M\u00f3ng l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t c\u1ee7a c\u00f4ng tr\u00ecnh, ch\u1ecbu to\u00e0n b\u1ed9 t\u1ea3i tr\u1ecdng. T\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i m\u00f3ng (m\u00f3ng \u0111\u01a1n, m\u00f3ng b\u0103ng, m\u00f3ng b\u00e8) m\u00e0 c\u00f4ng th\u1ee9c s\u1ebd kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch t\u00ednh ph\u1ed5 bi\u1ebfn cho m\u00f3ng b\u0103ng – lo\u1ea1i m\u00f3ng hay g\u1eb7p \u1edf nh\u00e0 ph\u1ed1.<\/span><\/p>\n

Vm\u00f3ng = T\u1ed5ng th\u1ec3 t\u00edch c\u00e1c d\u1ea7m m\u00f3ng + T\u1ed5ng th\u1ec3 t\u00edch c\u00e1c m\u00f3ng \u0111\u01a1n\/ \u0111\u00e1y m\u00f3ng<\/span><\/strong><\/p>\n

V\u00ed d\u1ee5: M\u1ed9t h\u1ec7 m\u00f3ng b\u0103ng ch\u1eef nh\u1eadt c\u00f3:<\/span><\/p>\n

– D\u1ea7m m\u00f3ng: 2 d\u1ea7m d\u00e0i 10m v\u00e0 2 d\u1ea7m d\u00e0i 5m, t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 ti\u1ebft di\u1ec7n 0.3m x 0.5m.<\/span><\/p>\n

– \u0110\u00e1y m\u00f3ng: k\u00edch th\u01b0\u1edbc 5m x 10m x 0.2m<\/span><\/p>\n

T\u00ednh th\u1ec3 t\u00edch d\u1ea7m m\u00f3ng:<\/strong> V d\u1ea7m m\u00f3ng = (10m + 5m) x 2 x 0.3m x 0.5m = 15 x 2 x 0.15 = 4.5m3<\/span><\/p>\n

T\u00ednh th\u1ec3 t\u00edch \u0111\u00e1y m\u00f3ng:<\/strong> V \u0111\u00e1y m\u00f3ng = 10m x 5m x 0.2m = 10m3<\/span><\/p>\n

T\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng c\u1ea7n d\u00f9ng: <\/strong>V m\u00f3ng = 4.5 + 10 = 14.5m3<\/span><\/p>\n

\"\"<\/p>\n

3. C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng d\u1ea7m<\/span><\/strong><\/h3>\n

T\u01b0\u01a1ng t\u1ef1 nh\u01b0 t\u00ednh s\u00e0n, b\u1ea1n ch\u1ec9 c\u1ea7n \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c th\u1ec3 t\u00edch c\u01a1 b\u1ea3n cho d\u1ea7m:<\/span><\/p>\n

Vd\u1ea7m = T\u1ed5ng chi\u1ec1u d\u00e0i d\u1ea7m x Chi\u1ec1u r\u1ed9ng d\u1ea7m x Chi\u1ec1u cao d\u1ea7m<\/span><\/strong><\/p>\n

V\u00ed d\u1ee5: M\u1ed9t d\u1ea7m c\u00f3 chi\u1ec1u d\u00e0i 8m, chi\u1ec1u r\u1ed9ng 20cm (0.2m) v\u00e0 chi\u1ec1u cao 30cm (0.3m).<\/span><\/p>\n

Vd\u1ea7m = 8 x 0.2 x 0.3 = 0.48m3<\/span><\/p>\n

4. C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng c\u1ed9t<\/span><\/strong><\/h3>\n

V\u1edbi c\u00e1c c\u1ed9t vu\u00f4ng ho\u1eb7c ch\u1eef nh\u1eadt, c\u00f4ng th\u1ee9c t\u00ednh r\u1ea5t \u0111\u01a1n gi\u1ea3n:<\/span><\/p>\n

Vc\u1ed9t = Di\u1ec7n t\u00edch ti\u1ebft di\u1ec7n c\u1ed9t x Chi\u1ec1u cao c\u1ed9t x S\u1ed1 l\u01b0\u1ee3ng c\u1ed9t<\/span><\/strong><\/p>\n

V\u00ed d\u1ee5: B\u1ea1n c\u1ea7n \u0111\u1ed5 4 c\u1ed9t vu\u00f4ng c\u00f3 k\u00edch th\u01b0\u1edbc 20cm x 20cm v\u00e0 chi\u1ec1u cao 3.5m.<\/span><\/p>\n

– Di\u1ec7n t\u00edch ti\u1ebft di\u1ec7n = 0.2 \u00d7 0.2 = 0.04m2<\/span><\/p>\n

– Chi\u1ec1u cao = 3.5m<\/span><\/p>\n

– S\u1ed1 l\u01b0\u1ee3ng c\u1ed9t = 4<\/span><\/p>\n

Kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng c\u1ea7n d\u00f9ng: Vc\u1ed9t = 0.04 x 3.5 x 4 = 0.56m3<\/span><\/p>\n

\"\"<\/p>\n

M\u1ed9t s\u1ed1 l\u01b0u \u00fd quan tr\u1ecdng khi t\u00ednh to\u00e1n v\u00e0 \u0111\u1eb7t b\u00ea t\u00f4ng t\u01b0\u01a1i<\/span><\/strong><\/span><\/h3>\n

– D\u1ef1 tr\u00f9 hao h\u1ee5t: Sau khi t\u00ednh to\u00e1n t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng, b\u1ea1n n\u00ean c\u1ed9ng th\u00eam kho\u1ea3ng 3-5% \u0111\u1ec3 d\u1ef1 ph\u00f2ng hao h\u1ee5t.<\/span><\/p>\n

– Ki\u1ec3m tra b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt: C\u00e1c s\u1ed1 li\u1ec7u t\u00ednh to\u00e1n c\u1ea7n d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd ch\u00ednh th\u1ee9c c\u1ee7a ki\u1ebfn tr\u00fac s\u01b0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00ednh x\u00e1c.<\/span><\/p>\n

– L\u1ef1a ch\u1ecdn m\u00e1c b\u00ea t\u00f4ng ph\u00f9 h\u1ee3p: C\u1ea7n t\u01b0 v\u1ea5n k\u1ef9 s\u01b0 \u0111\u1ec3 ch\u1ecdn m\u00e1c b\u00ea t\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng h\u1ea1ng m\u1ee5c, v\u00ec m\u00e1c b\u00ea t\u00f4ng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a c\u00f4ng tr\u00ecnh.<\/span><\/p>\n

– Ch\u1ecdn nh\u00e0 cung c\u1ea5p uy t\u00edn: L\u1ef1a ch\u1ecdn c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn nh\u01b0 automatically<\/a><\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u00fang m\u00e1c v\u00e0 ti\u1ebfn \u0111\u1ed9.<\/span><\/p>\n

Ch\u1ecdn m\u00e1c b\u00ea t\u00f4ng ph\u00f9 h\u1ee3p cho t\u1eebng h\u1ea1ng m\u1ee5c<\/span><\/strong><\/h3>\n

T\u00ednh \u0111\u00fang kh\u1ed1i l\u01b0\u1ee3ng ch\u01b0a \u0111\u1ee7 \u2014 c\u00f2n ph\u1ea3i ch\u1ecdn \u0111\u00fang m\u00e1c. M\u00e1c sai \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c.<\/span><\/p>\n\n\n\n\n\n\n\n\n\n
H\u1ea1ng m\u1ee5c<\/th>\nM\u00e1c b\u00ea t\u00f4ng th\u01b0\u1eddng d\u00f9ng<\/th>\nGhi ch\u00fa<\/th>\n<\/tr>\n
B\u00ea t\u00f4ng l\u00f3t m\u00f3ng<\/td>\nC10 \u2013 C15<\/td>\nL\u1edbp l\u00f3t kh\u00f4ng ch\u1ecbu l\u1ef1c, ch\u1ec9 t\u1ea1o m\u1eb7t b\u1eb1ng<\/td>\n<\/tr>\n
M\u00f3ng \u0111\u01a1n, m\u00f3ng b\u0103ng<\/td>\nC20 \u2013 C25<\/td>\nT\u1ea3i tr\u1ecdng nh\u00e0 d\u00e2n th\u00f4ng th\u01b0\u1eddng<\/td>\n<\/tr>\n
S\u00e0n, d\u1ea7m nh\u00e0 th\u1ea5p t\u1ea7ng<\/td>\nC20 \u2013 C25<\/td>\nPh\u1ed5 bi\u1ebfn nh\u1ea5t trong nh\u00e0 ph\u1ed1 3\u20135 t\u1ea7ng<\/td>\n<\/tr>\n
C\u1ed9t, v\u00e1ch ch\u1ecbu l\u1ef1c<\/td>\nC25 \u2013 C30<\/td>\nC\u1ed9t t\u1ea7ng th\u1ea5p nh\u00e0 cao t\u1ea7ng<\/td>\n<\/tr>\n
S\u00e0n, d\u1ea7m nh\u00e0 cao t\u1ea7ng<\/td>\nC30 \u2013 C40<\/td>\nT\u1ea3i tr\u1ecdng l\u1edbn h\u01a1n, y\u00eau c\u1ea7u cao h\u01a1n<\/td>\n<\/tr>\n
C\u1ea5u ki\u1ec7n \u0111\u1eb7c bi\u1ec7t<\/td>\nC50 tr\u1edf l\u00ean<\/td>\nB\u00ea t\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao \u2014 c\u1ea7n nh\u00e0 cung c\u1ea5p chuy\u00ean bi\u1ec7t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/span><\/strong><\/h2>\n

1. 1 kh\u1ed1i b\u00ea t\u00f4ng t\u01b0\u01a1i n\u1eb7ng bao nhi\u00eau kg?<\/span><\/strong><\/p>\n

Tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang c\u1ee7a b\u00ea t\u00f4ng t\u01b0\u01a1i th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 2300 – 2400 kg\/m\u00b3 (2.3 – 2.4 t\u1ea5n\/m\u00b3).<\/span><\/p>\n

2. 1 kh\u1ed1i b\u00ea t\u00f4ng t\u01b0\u01a1i \u0111\u1ed5 \u0111\u01b0\u1ee3c bao nhi\u00eau m2 s\u00e0n?<\/span><\/strong><\/span><\/p>\n

N\u1ebfu s\u00e0n c\u00f3 \u0111\u1ed9 d\u00e0y 10cm, 1 kh\u1ed1i b\u00ea t\u00f4ng t\u01b0\u01a1i s\u1ebd \u0111\u1ed5 \u0111\u01b0\u1ee3c 1\/0.1=10m2. T\u01b0\u01a1ng t\u1ef1, n\u1ebfu \u0111\u1ed9 d\u00e0y 12cm, 1 kh\u1ed1i s\u1ebd \u0111\u1ed5 \u0111\u01b0\u1ee3c kho\u1ea3ng 1\/0.12\u22488.3m2.<\/span><\/p>\n

3. N\u00ean \u0111\u1eb7t b\u00ea t\u00f4ng t\u01b0\u01a1i d\u01b0 hay thi\u1ebfu?<\/span><\/strong><\/p>\n

B\u1ea1n n\u00ean t\u00ednh to\u00e1n k\u1ef9 v\u00e0 \u0111\u1eb7t d\u01b0 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf (kho\u1ea3ng 3-5%) \u0111\u1ec3 \u0111\u1ec1 ph\u00f2ng hao h\u1ee5t. Vi\u1ec7c thi\u1ebfu b\u00ea t\u00f4ng gi\u1eefa ch\u1eebng s\u1ebd g\u00e2y ra nhi\u1ec1u r\u1ee7i ro cho ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/span><\/p>\n

4. C\u00e1c y\u1ebfu t\u1ed1 n\u00e0o \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 b\u00ea t\u00f4ng t\u01b0\u01a1i?<\/span><\/strong><\/p>\n

– M\u00e1c b\u00ea t\u00f4ng: M\u00e1c c\u00e0ng cao, gi\u00e1 c\u00e0ng \u0111\u1eaft.<\/span><\/p>\n

– Kho\u1ea3ng c\u00e1ch v\u1eadn chuy\u1ec3n: C\u00e0ng xa, chi ph\u00ed v\u1eadn chuy\u1ec3n c\u00e0ng cao.<\/span><\/p>\n

– Lo\u1ea1i v\u1eadt li\u1ec7u: S\u1eed d\u1ee5ng ph\u1ee5 gia hay kh\u00f4ng.<\/span><\/p>\n

– Th\u1eddi \u0111i\u1ec3m: Gi\u00e1 c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo m\u00f9a ho\u1eb7c th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n

\"\"<\/p>\n

C\u00e1ch t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng t\u01b0\u01a1i kh\u00f4ng ph\u1ee9c t\u1ea1p – ch\u1ec9 c\u1ea7n \u0111o \u0111\u00fang k\u00edch th\u01b0\u1edbc, \u0111\u1ed5i v\u1ec1 \u0111\u01a1n v\u1ecb m\u00e9t, nh\u00e2n 3 chi\u1ec1u v\u00e0 c\u1ed9ng th\u00eam 5% hao h\u1ee5t. L\u00e0m \u0111\u1ee7 3 b\u01b0\u1edbc n\u00e0y cho t\u1eebng h\u1ea1ng m\u1ee5c, c\u1ed9ng l\u1ea1i r\u1ed3i \u0111\u1eb7t h\u00e0ng.<\/span><\/p>\n

\u0110i\u1ec1u quan tr\u1ecdng h\u01a1n c\u1ea3 con s\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng: \u0111\u1eb7t h\u00e0ng v\u1edbi nh\u00e0 cung c\u1ea5p b\u00ea t\u00f4ng<\/strong><\/a> cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u00fang m\u00e1c, \u0111\u00fang gi\u1edd, kh\u00f4ng gi\u00e1n \u0111o\u1ea1n ca \u0111\u1ed5 – v\u00ec thi\u1ebfu b\u00ea t\u00f4ng gi\u1eefa ch\u1eebng c\u00f2n nguy hi\u1ec3m h\u01a1n t\u00ednh sai.<\/span><\/p>\n

Xem ngay:<\/span>\u00a020+ c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p khi \u0111\u1eb7t b\u00ea t\u00f4ng t\u01b0\u01a1i \u2013 chuy\u00ean gia DUFAGO gi\u1ea3i \u0111\u00e1p<\/a><\/span><\/strong><\/span><\/p>\n