{"id":10016,"date":"2024-11-17T11:48:04","date_gmt":"2024-11-17T04:48:04","guid":{"rendered":"https:\/\/pcecatlam.vn\/?p=10016"},"modified":"2024-11-12T11:54:36","modified_gmt":"2024-11-12T04:54:36","slug":"soi-pp-giam-nut-be-tong","status":"publish","type":"post","link":"https:\/\/pcecatlam.vn\/en\/soi-pp-giam-nut-be-tong\/","title":{"rendered":"L\u1ee3i \u00edch s\u1ee3i PP gi\u1ea3m n\u1ee9t b\u00ea t\u00f4ng cho c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng"},"content":{"rendered":"

Trong l\u0129nh v\u1ef1c x\u00e2y d\u1ef1ng, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u00ea t\u00f4ng l\u00e0 y\u1ebfu t\u1ed1 h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 th\u1ea7u quan t\u00e2m. V\u1edbi nh\u1eefng c\u1ea3i ti\u1ebfn v\u1ec1 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, s\u1ee3i PP (polypropylene) n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 gi\u00fap gi\u1ea3m n\u1ee9t cho c\u00e1c b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng. S\u1ee3i PP kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n cho c\u00f4ng tr\u00ecnh m\u00e0 c\u00f2n gi\u00fap gi\u1ea3m thi\u1ec3u chi ph\u00ed b\u1ea3o tr\u00ec trong th\u1eddi gian d\u00e0i. B\u00e0i vi\u1ebft n\u00e0y <\/span><\/i>PCE C\u00e1t L\u00e2m<\/span><\/i><\/a> s\u1ebd \u0111i s\u00e2u v\u00e0o<\/span><\/i> l\u1ee3i \u00edch c\u1ee7a <\/span><\/i>s\u1ee3i PP gi\u1ea3m n\u1ee9t b\u00ea t\u00f4ng<\/i><\/b><\/a> v\u00e0 c\u00e1ch \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a n\u00f3 trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/span><\/i><\/p>\n

Gi\u1edbi thi\u1ec7u t\u1ed5ng quan v\u1ec1 s\u1ee3i PP v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3 trong ng\u00e0nh x\u00e2y d\u1ef1ng hi\u1ec7n nay<\/b><\/h2>\n

S\u1ee3i PP (polypropylene)<\/b> l\u00e0 m\u1ed9t lo\u1ea1i s\u1ee3i t\u1ed5ng h\u1ee3p c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb nh\u1ef1a polypropylene, m\u1ed9t lo\u1ea1i polymer \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u1edd t\u00ednh ch\u1ea5t b\u1ec1n b\u1ec9, nh\u1eb9 v\u00e0 kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. Trong ng\u00e0nh x\u00e2y d\u1ef1ng, s\u1ee3i PP \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 gia c\u1ed1 b\u00ea t\u00f4ng, ch\u1ed1ng n\u1ee9t n\u1ebb v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c cho c\u00e1c c\u00f4ng tr\u00ecnh.<\/span><\/p>\n

\"S\u1ee3i

Gi\u1edbi thi\u1ec7u t\u1ed5ng quan v\u1ec1 s\u1ee3i PP<\/p><\/div>\n

T\u1ea1i sao s\u1ee3i PP l\u1ea1i c\u00f3 t\u00e1c d\u1ee5ng trong vi\u1ec7c ch\u1ed1ng n\u1ee9t b\u00ea t\u00f4ng? Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt c\u1ee7a s\u1ee3i PP<\/b><\/p>\n

S\u1ee3i PP c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t gi\u00fap ch\u00fang tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho vi\u1ec7c gia c\u1ed1 b\u00ea t\u00f4ng:<\/span><\/p>\n

    \n
  1. \u0110\u1ed9 b\u1ec1n k\u00e9o cao<\/b>: S\u1ee3i PP c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o r\u1ea5t t\u1ed1t, gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a b\u00ea t\u00f4ng v\u00e0 gi\u1ea3m t\u00ecnh tr\u1ea1ng n\u1ee9t do co ng\u00f3t.<\/span><\/li>\n
  2. Ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ecbu nhi\u1ec7t t\u1ed1t<\/b>: \u0110\u1eb7c \u0111i\u1ec3m ch\u1ed1ng th\u1ea5m v\u00e0 ch\u1ecbu nhi\u1ec7t gi\u00fap s\u1ee3i PP b\u1ea3o v\u1ec7 b\u00ea t\u00f4ng tr\u01b0\u1edbc s\u1ef1 t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng, \u0111\u1eb7c bi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu n\u00f3ng \u1ea9m c\u1ee7a Vi\u1ec7t Nam.<\/span><\/li>\n
  3. Kh\u00f4ng b\u1ecb \u0103n m\u00f2n<\/b>: S\u1ee3i PP kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi h\u00f3a ch\u1ea5t, ki\u1ec1m, hay m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt, gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd cho k\u1ebft c\u1ea5u b\u00ea t\u00f4ng.<\/span><\/li>\n
  4. Kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u<\/b>: S\u1ee3i PP d\u1ec5 d\u00e0ng ph\u00e2n t\u00e1n \u0111\u1ec1u trong h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng, gi\u00fap b\u1ea3o \u0111\u1ea3m t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 hi\u1ec7u qu\u1ea3 cao khi thi c\u00f4ng.<\/span><\/li>\n<\/ol>\n

    L\u1ee3i \u00edch c\u1ee7a s\u1ee3i PP trong vi\u1ec7c gi\u1ea3m n\u1ee9t b\u1ec1 m\u1eb7t v\u00e0 gia c\u1ed1 c\u1ea5u tr\u00fac cho b\u00ea t\u00f4ng<\/b><\/h2>\n

    B\u1eb1ng c\u00e1ch b\u1ed5 sung s\u1ee3i PP v\u00e0o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng, c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1ee3i \u00edch l\u1edbn gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cho b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 <\/span>l\u1ee3i \u00edch ch\u00ednh khi s\u1eed d\u1ee5ng s\u1ee3i PP trong gi\u1ea3m n\u1ee9t b\u00ea t\u00f4ng<\/b>:<\/span><\/p>\n

    Gi\u1ea3m nguy c\u01a1 n\u1ee9t n\u1ebb b\u00ea t\u00f4ng do t\u00e1c \u0111\u1ed9ng c\u1ee7a co ng\u00f3t v\u00e0 gi\u00e3n n\u1edf nhi\u1ec7t<\/b><\/h3>\n

    M\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y n\u1ee9t b\u00ea t\u00f4ng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng co ng\u00f3t do s\u1ef1 b\u1ed1c h\u01a1i n\u01b0\u1edbc sau khi \u0111\u1ed5 b\u00ea t\u00f4ng. S\u1ee3i PP c\u00f3 kh\u1ea3 n\u0103ng li\u00ean k\u1ebft c\u00e1c h\u1ea1t b\u00ea t\u00f4ng l\u1ea1i v\u1edbi nhau, t\u1ea1o n\u00ean m\u1ed9t m\u1ea1ng l\u01b0\u1edbi ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t do co ng\u00f3t.<\/span><\/p>\n

    \"S\u1ee3i

    L\u1ee3i \u00edch c\u1ee7a s\u1ee3i PP trong vi\u1ec7c gi\u1ea3m n\u1ee9t b\u1ec1 m\u1eb7t v\u00e0 gia c\u1ed1 c\u1ea5u tr\u00fac cho b\u00ea t\u00f4ng<\/p><\/div>\n

    T\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a b\u00ea t\u00f4ng v\u00e0 gi\u1ea3m nguy c\u01a1 \u0111\u1ee9t g\u00e3y k\u1ebft c\u1ea5u<\/b><\/h3>\n

    Khi b\u1ed5 sung s\u1ee3i PP v\u00e0o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng, l\u1ef1c k\u00e9o \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n \u0111\u1ec1u gi\u00fap b\u00ea t\u00f4ng ch\u1ecbu l\u1ef1c t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m nguy c\u01a1 \u0111\u1ee9t g\u00e3y khi c\u00f3 t\u00e1c \u0111\u1ed9ng t\u1eeb b\u00ean ngo\u00e0i.<\/span><\/p>\n

    Gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t ch\u00e2n chim, n\u1ee9t b\u1ec1 m\u1eb7t khi b\u00ea t\u00f4ng ch\u01b0a \u0111\u1ea1t \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9<\/b><\/h3>\n

    N\u1ee9t ch\u00e2n chim th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng do s\u1ef1 gi\u00e3n n\u1edf nhi\u1ec7t. Nh\u1edd kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc v\u00e0 li\u00ean k\u1ebft c\u1ee7a s\u1ee3i PP, b\u00ea t\u00f4ng tr\u1edf n\u00ean b\u1ec1n v\u1eefng h\u01a1n, gi\u00fap gi\u1ea3m thi\u1ec3u nguy c\u01a1 n\u1ee9t ch\u00e2n chim xu\u1ea5t hi\u1ec7n.<\/span><\/p>\n

    Xem th\u00eam: <\/span>T\u1ea1i sao Lithium Carbonate l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong v\u1eefa t\u1ef1 san ph\u1eb3ng<\/span><\/a><\/p><\/blockquote>\n

    Gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh b\u00ea t\u00f4ng trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/b><\/h3>\n

    V\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 kh\u00f4ng b\u1ecb \u0103n m\u00f2n, s\u1ee3i PP b\u1ea3o v\u1ec7 b\u00ea t\u00f4ng tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng c\u1ee7a th\u1eddi ti\u1ebft, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi ph\u1ea3i ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ea9m l\u1edbn.<\/span><\/p>\n

    \u1ee8ng d\u1ee5ng c\u1ee7a s\u1ee3i PP trong c\u00e1c lo\u1ea1i c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng hi\u1ec7n \u0111\u1ea1i<\/b><\/h2>\n

    Vi\u1ec7c \u1ee9ng d\u1ee5ng s\u1ee3i PP trong x\u00e2y d\u1ef1ng kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng m\u00e0 c\u00f2n ph\u1ed5 bi\u1ebfn trong c\u00e1c c\u00f4ng tr\u00ecnh quy m\u00f4 l\u1edbn nh\u01b0 c\u1ea7u \u0111\u01b0\u1eddng, h\u1ea7m ng\u1ea7m, v\u00e0 c\u00e1c khu c\u00f4ng nghi\u1ec7p. C\u00e1c lo\u1ea1i c\u00f4ng tr\u00ecnh s\u1eed d\u1ee5ng s\u1ee3i PP c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn:<\/span><\/p>\n