{"id":897,"date":"2025-03-09T00:10:14","date_gmt":"2025-03-09T00:10:14","guid":{"rendered":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/2025\/03\/09\/0907-tang-hieu-qua-nuoi-trong-voi-dich-vu-thi-cong-bat-lot-ho-chua-nuoc\/"},"modified":"2025-03-09T00:10:14","modified_gmt":"2025-03-09T00:10:14","slug":"0907-tang-hieu-qua-nuoi-trong-voi-dich-vu-thi-cong-bat-lot-ho-chua-nuoc","status":"publish","type":"post","link":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/2025\/03\/09\/0907-tang-hieu-qua-nuoi-trong-voi-dich-vu-thi-cong-bat-lot-ho-chua-nuoc\/","title":{"rendered":"T\u0103ng Hi\u1ec7u Qu\u1ea3 Nu\u00f4i Tr\u1ed3ng V\u1edbi D\u1ecbch V\u1ee5 Thi C\u00f4ng B\u1ea1t L\u00f3t H\u1ed3 Ch\u1ee9a N\u01b0\u1edbc"},"content":{"rendered":"

B\u1ea1t l\u00f3t h\u1ed3 <\/a>l\u00e0 gi\u1ea3i ph\u00e1p ch\u1ed1ng th\u1ea5m hi\u1ec7u qu\u1ea3 cho c\u00e1c h\u1ed3 ch\u1ee9a n\u01b0\u1edbc v\u00e0 h\u1ed3 c\u1ea3nh quan. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i b\u1ea1t v\u00e0 \u0111\u01a1n v\u1ecb thi c\u00f4ng s\u1ebd \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n cho c\u00f4ng tr\u00ecnh.<\/em><\/p>\n

<\/p>\n

B\u1ea1t l\u00f3t h\u1ed3 l\u00e0 g\u00ec? T\u1ea1i sao c\u1ea7n d\u00f9ng b\u1ea1t l\u00f3t h\u1ed3?<\/h3>\n

B\u1ea1t l\u00f3t h\u1ed3 l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ed1ng th\u1ea5m, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c ch\u1ea5t li\u1ec7u nh\u01b0 HDPE, PVC, EPDM, hay LLDPE, d\u00f9ng \u0111\u1ec3 l\u00f3t \u0111\u00e1y v\u00e0 th\u00e0nh h\u1ed3 nh\u1eb1m ng\u0103n n\u01b0\u1edbc r\u00f2 r\u1ec9 ra ngo\u00e0i. Lo\u1ea1i b\u1ea1t n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec m\u1ef1c n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh, ng\u0103n ch\u1eb7n s\u1ef1 th\u1ea5m n\u01b0\u1edbc ra m\u00f4i tr\u01b0\u1eddng xung quanh, \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 h\u1ed3 kh\u1ecfi s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i nh\u01b0 h\u00f3a ch\u1ea5t hay vi sinh v\u1eadt c\u00f3 h\u1ea1i.<\/p>\n

S\u1eed d\u1ee5ng b\u1ea1t l\u00f3t h\u1ed3 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch thi\u1ebft th\u1ef1c:<\/p>\n

    \n
  1. Ng\u0103n th\u1ea5m n\u01b0\u1edbc:<\/strong> B\u1ea1t l\u00f3t gi\u00fap ng\u0103n n\u01b0\u1edbc r\u00f2 r\u1ec9 qua c\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c khe h\u1edf trong l\u00f2ng \u0111\u1ea5t, b\u1ea3o \u0111\u1ea3m n\u01b0\u1edbc trong h\u1ed3 kh\u00f4ng b\u1ecb th\u1ea5t tho\u00e1t, ng\u0103n kh\u00f4ng cho c\u00e1c ch\u1ea5t \u0111\u1ed9c h\u1ea1i trong \u0111\u1ea5t ng\u1ea5m v\u00e0o h\u1ed3.<\/li>\n
  2. T\u0103ng \u0111\u1ed9 b\u1ec1n cho h\u1ed3:<\/strong> Nh\u1edd l\u1edbp l\u00f3t n\u00e0y, h\u1ed3 s\u1ebd kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 x\u00f3i m\u00f2n ho\u1eb7c s\u1ef1 di chuy\u1ec3n c\u1ee7a \u0111\u1ea5t, gi\u00fap h\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i.<\/li>\n
  3. Gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec:<\/strong> S\u1eed d\u1ee5ng b\u1ea1t l\u00f3t gi\u00fap gi\u1ea3m thi\u1ec3u vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean v\u00e0 tr\u00e1nh c\u00e1c h\u01b0 h\u1ecfng n\u1eb7ng c\u00f3 th\u1ec3 x\u1ea3y ra khi kh\u00f4ng c\u00f3 l\u1edbp l\u00f3t b\u1ea3o v\u1ec7.<\/li>\n
  4. B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng:<\/strong> \u0110\u1eb7c bi\u1ec7t trong c\u00e1c h\u1ed3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, b\u1ea1t l\u00f3t ng\u0103n n\u01b0\u1edbc b\u1ea9n th\u1ea5m xu\u1ed1ng \u0111\u1ea5t, t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 ngu\u1ed3n n\u01b0\u1edbc ng\u1ea7m v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n<\/ol>\n

    B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1t l\u00f3t h\u1ed3 gi\u00fap gi\u1ea3m thi\u1ec3u chi ph\u00ed x\u00e2y d\u1ef1ng v\u00e0 b\u1ea3o tr\u00ec so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p x\u00e2y h\u1ed3 b\u00ea t\u00f4ng truy\u1ec1n th\u1ed1ng. Nh\u1edd kh\u1ea3 n\u0103ng d\u1ec5 thi c\u00f4ng, b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa, b\u1ea1t l\u00f3t h\u1ed3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn cho c\u00e1c h\u1ed3 ch\u1ee9a n\u01b0\u1edbc, h\u1ed3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, v\u00e0 h\u1ed3 c\u1ea3nh quan.<\/p>\n

    <\/p>\n

    Gi\u00e1 b\u1ea1t l\u00f3t h\u1ed3<\/h3>\n

    Gi\u00e1 b\u1ea1t l\u00f3t h\u1ed3 c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u00f9y theo lo\u1ea1i v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y v\u00e0 k\u00edch th\u01b0\u1edbc y\u00eau c\u1ea7u.<\/p>\n

    M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 b\u1ea1t l\u00f3t h\u1ed3:<\/p>\n

      \n
    1. \u0110\u1ed9 d\u00e0y:<\/strong> B\u1ea1t c\u00e0ng d\u00e0y th\u00ec gi\u00e1 c\u00e0ng cao.<\/li>\n
    2. Ch\u1ea5t li\u1ec7u:<\/strong> Ch\u1ea5t li\u1ec7u nh\u1ef1a c\u00e0ng b\u1ec1n v\u1eefng, ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi th\u1eddi ti\u1ebft v\u00e0 h\u00f3a ch\u1ea5t th\u00ec gi\u00e1 c\u0169ng s\u1ebd t\u0103ng theo.<\/li>\n
    3. Di\u1ec7n t\u00edch c\u1ea7n l\u00f3t:<\/strong> Chi ph\u00ed s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o di\u1ec7n t\u00edch h\u1ed3 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng.<\/li>\n<\/ol>\n

      M\u1ee9c gi\u00e1 trung b\u00ecnh cho c\u00e1c lo\u1ea1i b\u1ea1t l\u00f3t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay l\u00e0:<\/p>\n

        \n
      1. B\u1ea1t HDPE<\/strong>: T\u1eeb 40.000 \u0111\u1ebfn 120.000 VN\u0110\/m\u00b2 t\u00f9y v\u00e0o \u0111\u1ed9 d\u00e0y.<\/li>\n
      2. B\u1ea1t PVC<\/strong>: Gi\u00e1 r\u1ebb h\u01a1n, kho\u1ea3ng 30.000 \u0111\u1ebfn 80.000 VN\u0110\/m\u00b2.<\/li>\n
      3. B\u1ea1t EPDM<\/strong>: Gi\u00e1 cao h\u01a1n, dao \u0111\u1ed9ng t\u1eeb 150.000 \u0111\u1ebfn 300.000 VN\u0110\/m\u00b2.<\/li>\n
      4. B\u1ea1t LLDPE<\/strong>: Gi\u00e1 t\u01b0\u01a1ng t\u1ef1 HDPE, t\u1eeb 50.000 \u0111\u1ebfn 100.000 VN\u0110\/m\u00b2.<\/li>\n<\/ol>\n

        \u0110\u01a1n v\u1ecb thi c\u00f4ng b\u1ea1t l\u00f3t h\u1ed3 uy t\u00edn<\/h3>\n

        L\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u01a1n v\u1ecb thi c\u00f4ng b\u1ea1t l\u00f3t h\u1ed3 uy t\u00edn l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00f4ng tr\u00ecnh. V\u1edbi t\u00ednh ch\u1ea5t k\u1ef9 thu\u1eadt cao, vi\u1ec7c thi c\u00f4ng b\u1ea1t l\u00f3t h\u1ed3 \u0111\u00f2i h\u1ecfi s\u1ef1 chuy\u00ean nghi\u1ec7p, tay ngh\u1ec1 cao v\u00e0 kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n. C\u00e1c \u0111\u01a1n v\u1ecb chuy\u00ean nghi\u1ec7p s\u1ebd c\u00f3 kinh nghi\u1ec7m trong vi\u1ec7c thi c\u00f4ng \u0111a d\u1ea1ng c\u00e1c lo\u1ea1i b\u1ea1t v\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u1ea3o h\u00e0nh l\u00e2u d\u00e0i. H\u1ecd c\u0169ng s\u1ebd t\u01b0 v\u1ea5n kh\u00e1ch h\u00e0ng v\u1ec1 lo\u1ea1i b\u1ea1t ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng nhu c\u1ea7u c\u1ee5 th\u1ec3, t\u1eeb h\u1ed3 c\u1ea3nh quan nh\u1ecf \u0111\u1ebfn c\u00e1c d\u1ef1 \u00e1n h\u1ed3 ch\u1ee9a n\u01b0\u1edbc l\u1edbn. S\u1ef1 uy t\u00edn v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 c\u1ee7a \u0111\u01a1n v\u1ecb thi c\u00f4ng gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh ho\u00e0n thi\u1ec7n \u0111\u00fang ti\u1ebfn \u0111\u1ed9 v\u00e0 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u.<\/p>\n

        <\/p>\n

        D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng ti\u00eau ch\u00ed quan tr\u1ecdng c\u1ea7n xem x\u00e9t khi ch\u1ecdn \u0111\u01a1n v\u1ecb thi c\u00f4ng b\u1ea1t l\u00f3t h\u1ed3:<\/p>\n

        Kinh nghi\u1ec7m v\u00e0 chuy\u00ean m\u00f4n: <\/strong>\u0110\u01a1n v\u1ecb uy t\u00edn c\u1ea7n c\u00f3 nhi\u1ec1u n\u0103m kinh nghi\u1ec7m, n\u1eafm v\u1eefng quy tr\u00ecnh thi c\u00f4ng b\u1ea1t l\u00f3t h\u1ed3 \u0111\u00fang k\u1ef9 thu\u1eadt, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e2u d\u00e0i cho c\u00e1c d\u1ef1 \u00e1n l\u1edbn nh\u1ecf.<\/p>\n

        T\u01b0 v\u1ea5n v\u00e0 ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p: <\/strong>H\u1ecd cung c\u1ea5p d\u1ecbch v\u1ee5 t\u01b0 v\u1ea5n chuy\u00ean s\u00e2u, l\u1ef1a ch\u1ecdn lo\u1ea1i b\u1ea1t l\u00f3t ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a kh\u00e1ch h\u00e0ng, t\u1eeb h\u1ed3 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n \u0111\u1ebfn h\u1ed3 c\u1ea3nh quan.<\/p>\n

        Quy tr\u00ecnh thi c\u00f4ng chu\u1ea9n: <\/strong>Thi c\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u00fang ti\u00eau chu\u1ea9n, t\u1eeb chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng \u0111\u1ebfn l\u1eafp \u0111\u1eb7t b\u1ea1t, ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh.<\/p>\n

        B\u1ea3o h\u00e0nh v\u00e0 d\u1ecbch v\u1ee5 h\u1eadu m\u00e3i: <\/strong>\u0110\u01a1n v\u1ecb uy t\u00edn cam k\u1ebft b\u1ea3o h\u00e0nh d\u00e0i h\u1ea1n, k\u00e8m theo d\u1ecbch v\u1ee5 h\u1eadu m\u00e3i chuy\u00ean nghi\u1ec7p, h\u1ed7 tr\u1ee3 nhanh ch\u00f3ng khi c\u00f3 s\u1ef1 c\u1ed1 x\u1ea3y ra.<\/p>\n

        Gi\u00e1 c\u1ea3 minh b\u1ea1ch v\u00e0 d\u1ef1 \u00e1n th\u1ef1c t\u1ebf: <\/strong>Cung c\u1ea5p b\u00e1o gi\u00e1 r\u00f5 r\u00e0ng, kh\u00f4ng ph\u00e1t sinh chi ph\u00ed \u1ea9n, v\u00e0 minh ch\u1ee9ng b\u1eb1ng c\u00e1c d\u1ef1 \u00e1n \u0111\u00e3 ho\u00e0n th\u00e0nh \u0111\u1ec3 t\u1ea1o s\u1ef1 tin t\u01b0\u1edfng cho kh\u00e1ch h\u00e0ng.<\/p>\n

        H\u00ecnh \u1ea3nh th\u1ef1c t\u1ebf d\u1ef1 \u00e1n b\u1ea1t l\u00f3t h\u1ed3<\/h3>\n

        H\u00ecnh \u1ea3nh t\u1eeb c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf cho th\u1ea5y hi\u1ec7u qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ea1t l\u00f3t h\u1ed3, kh\u00f4ng ch\u1ec9 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 n\u01b0\u1edbc m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o m\u00f4i tr\u01b0\u1eddng s\u1ea1ch s\u1ebd v\u00e0 an to\u00e0n cho c\u00e1c h\u1ec7 sinh th\u00e1i nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n. Nh\u1eefng h\u1ed3 ch\u1ee9a s\u1eed d\u1ee5ng b\u1ea1t l\u00f3t kh\u00f4ng ch\u1ec9 c\u00f3 t\u00ednh th\u1ea9m m\u1ef9 cao m\u00e0 c\u00f2n b\u1ec1n b\u1ec9 tr\u01b0\u1edbc c\u00e1c y\u1ebfu t\u1ed1 th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc trong th\u1eddi gian d\u00e0i.<\/p>\n

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        So s\u00e1nh c\u00e1c ch\u1ea5t li\u1ec7u d\u00f9ng l\u00e0m b\u1ea1t l\u00f3t h\u1ed3<\/h3>\n

        D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh c\u00e1c lo\u1ea1i ch\u1ea5t li\u1ec7u ph\u1ed5 bi\u1ebfn d\u00f9ng l\u00e0m b\u1ea1t l\u00f3t h\u1ed3, v\u1edbi th\u00f4ng tin v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m, \u01b0u \u0111i\u1ec3m, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n c\u1ee7a t\u1eebng lo\u1ea1i, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng l\u1ef1a ch\u1ecdn lo\u1ea1i b\u1ea1t ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 ng\u00e2n s\u00e1ch.<\/p>\n

        Ch\u1ea5t li\u1ec7u\u0110\u1eb7c \u0111i\u1ec3mTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt\u01afu \u0111i\u1ec3mNh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>HDPE<\/strong>\u2013 D\u00e0y t\u1eeb 0,5mm \u0111\u1ebfn 2mm.\u2013 Tu\u1ed5i th\u1ecd 20-25 n\u0103m.\u2013 Kh\u00f4ng \u0111\u1ed9c h\u1ea1i, ph\u00f9 h\u1ee3p cho c\u00e1c h\u1ed3 nu\u00f4i t\u00f4m, c\u00e1.\u2013 Kh\u1ed1i l\u01b0\u1ee3ng: 400-950 g\/m\u00b2.\u2013 \u0110\u1ed9 b\u1ec1n k\u00e9o: 25-30 MPa.\u2013 \u0110\u1ed9 gi\u00e3n d\u00e0i: >700%.\u2013 H\u1ec7 s\u1ed1 th\u1ea5m n\u01b0\u1edbc: \u2264 1\u00d710\u207b\u00b9\u00b3 cm\/s.\u2013 \u0110\u1ed9 b\u1ec1n cao.\u2013 Ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi h\u00f3a ch\u1ea5t, UV, v\u00e0 th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t.\u2013 Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40\u00b0C \u0111\u1ebfn 80\u00b0C.\u2013 Gi\u00e1 th\u00e0nh cao h\u01a1n so v\u1edbi PVC.\u2013 C\u1ea7n k\u1ef9 thu\u1eadt cao khi thi c\u00f4ng \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng.PVC<\/strong>\u2013 D\u00e0y t\u1eeb 0,3mm \u0111\u1ebfn 1mm.\u2013 Tu\u1ed5i th\u1ecd 5-10 n\u0103m.\u2013 Th\u01b0\u1eddng d\u00f9ng cho h\u1ed3 c\u1ea3nh quan ho\u1eb7c h\u1ed3 nh\u1ecf.\u2013 Kh\u1ed1i l\u01b0\u1ee3ng: 300-800 g\/m\u00b2.\u2013 \u0110\u1ed9 b\u1ec1n k\u00e9o: 15-25 MPa.\u2013 \u0110\u1ed9 gi\u00e3n d\u00e0i: 200-300%.\u2013 H\u1ec7 s\u1ed1 th\u1ea5m n\u01b0\u1edbc: \u2264 1\u00d710\u207b\u00b9\u00b2 cm\/s.\u2013 Gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n.\u2013 D\u1ec5 d\u00e0ng thi c\u00f4ng do m\u1ec1m v\u00e0 d\u1ec5 c\u1eaft theo h\u00ecnh d\u00e1ng h\u1ed3.\u2013 D\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi UV v\u00e0 h\u00f3a ch\u1ea5t m\u1ea1nh.\u2013 Tu\u1ed5i th\u1ecd ng\u1eafn h\u01a1n c\u00e1c ch\u1ea5t li\u1ec7u kh\u00e1c.EPDM<\/strong>\u2013 D\u00e0y t\u1eeb 0,75mm \u0111\u1ebfn 1,5mm.\u2013 Tu\u1ed5i th\u1ecd 30-50 n\u0103m.\u2013 Ph\u00f9 h\u1ee3p cho h\u1ed3 c\u1ea3nh quan v\u00e0 h\u1ed3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.\u2013 Kh\u1ed1i l\u01b0\u1ee3ng: 500-1200 g\/m\u00b2.\u2013 \u0110\u1ed9 b\u1ec1n k\u00e9o: 9-12 MPa.\u2013 \u0110\u1ed9 gi\u00e3n d\u00e0i: >300%.\u2013 H\u1ec7 s\u1ed1 th\u1ea5m n\u01b0\u1edbc: \u2264 1\u00d710\u207b\u00b9\u2075 cm\/s.\u2013 D\u1ebbo dai, linh ho\u1ea1t, ch\u1ecbu m\u00e0i m\u00f2n v\u00e0 h\u00f3a ch\u1ea5t t\u1ed1t.\u2013 Kh\u1ea3 n\u0103ng co gi\u00e3n r\u1ea5t t\u1ed1t, ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 t\u1eeb -45\u00b0C \u0111\u1ebfn 100\u00b0C.\u2013 \u0110\u1ed9 b\u1ec1n cao nh\u1ea5t trong c\u00e1c lo\u1ea1i b\u1ea1t.\u2013 Gi\u00e1 th\u00e0nh cao h\u01a1n nhi\u1ec1u so v\u1edbi HDPE v\u00e0 PVC.\u2013 Kh\u00f3 t\u00ecm ngu\u1ed3n cung v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt thi c\u00f4ng cao.LLDPE<\/strong>\u2013 D\u00e0y t\u1eeb 0,4mm \u0111\u1ebfn 1,5mm.\u2013 Tu\u1ed5i th\u1ecd 10-15 n\u0103m.\u2013 Ph\u00f9 h\u1ee3p cho h\u1ed3 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, h\u1ed3 ch\u1ee9a n\u01b0\u1edbc n\u00f4ng nghi\u1ec7p.\u2013 Kh\u1ed1i l\u01b0\u1ee3ng: 350-950 g\/m\u00b2.\u2013 \u0110\u1ed9 b\u1ec1n k\u00e9o: 15-20 MPa.\u2013 \u0110\u1ed9 gi\u00e3n d\u00e0i: 500-700%.\u2013 H\u1ec7 s\u1ed1 th\u1ea5m n\u01b0\u1edbc: \u2264 1\u00d710\u207b\u00b9\u00b3 cm\/s.\u2013 Linh ho\u1ea1t, d\u1ec5 thi c\u00f4ng v\u00e0 c\u00f3 gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd h\u01a1n HDPE.\u2013 Ch\u1ed1ng ch\u1ecbu v\u1eeba ph\u1ea3i v\u1edbi h\u00f3a ch\u1ea5t.\u2013 Kh\u00f4ng b\u1ec1n v\u1edbi UV v\u00e0 nhi\u1ec7t \u0111\u1ed9 nh\u01b0 HDPE.\u2013 Kh\u1ea3 n\u0103ng ch\u1ecbu h\u00f3a ch\u1ea5t v\u00e0 m\u00e0i m\u00f2n k\u00e9m h\u01a1n HDPE.<\/p>\n

        C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n xem x\u00e9t khi l\u1ef1a ch\u1ecdn b\u1ea1t l\u00f3t h\u1ed3:<\/strong><\/p>\n

          \n
        1. \u0110\u1ed9 d\u00e0y (mm):<\/strong> \u0110\u1ed9 d\u00e0y c\u1ee7a b\u1ea1t quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. \u0110\u1ed1i v\u1edbi h\u1ed3 ch\u1ee9a n\u01b0\u1edbc l\u1edbn ho\u1eb7c s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, n\u00ean ch\u1ecdn b\u1ea1t c\u00f3 \u0111\u1ed9 d\u00e0y t\u1eeb 1mm tr\u1edf l\u00ean.<\/li>\n
        2. Kh\u1ed1i l\u01b0\u1ee3ng (g\/m\u00b2):<\/strong> Ch\u1ec9 s\u1ed1 n\u00e0y th\u1ec3 hi\u1ec7n \u0111\u1ed9 n\u1eb7ng c\u1ee7a v\u1eadt li\u1ec7u, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u1ea1t khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n
        3. \u0110\u1ed9 b\u1ec1n k\u00e9o (MPa):<\/strong> Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o c\u1ee7a b\u1ea1t, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi thi c\u00f4ng trong \u0111i\u1ec1u ki\u1ec7n c\u00f3 s\u1ef1 thay \u0111\u1ed5i \u0111\u1ecba h\u00ecnh ho\u1eb7c d\u01b0\u1edbi \u00e1p l\u1ef1c n\u01b0\u1edbc cao.<\/li>\n
        4. \u0110\u1ed9 gi\u00e3n d\u00e0i (%):<\/strong> Kh\u1ea3 n\u0103ng b\u1ea1t k\u00e9o gi\u00e3n tr\u01b0\u1edbc khi \u0111\u1ee9t. Nh\u1eefng lo\u1ea1i b\u1ea1t c\u00f3 \u0111\u1ed9 gi\u00e3n d\u00e0i cao nh\u01b0 EPDM s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n cho nh\u1eefng khu v\u1ef1c c\u1ea7n \u0111\u1ed9 linh ho\u1ea1t cao.<\/li>\n
        5. H\u1ec7 s\u1ed1 th\u1ea5m n\u01b0\u1edbc (cm\/s):<\/strong> Th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc c\u1ee7a b\u1ea1t. Ch\u1ec9 s\u1ed1 c\u00e0ng th\u1ea5p, kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m c\u00e0ng cao. B\u1ea1t v\u1edbi h\u1ec7 s\u1ed1 th\u1ea5m \u2264 1\u00d710\u207b\u00b9\u00b2 cm\/s l\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ed3 nu\u00f4i th\u1ee7y s\u1ea3n ho\u1eb7c h\u1ed3 ch\u1ee9a n\u01b0\u1edbc l\u00e2u d\u00e0i.<\/li>\n
        6. Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t:<\/strong> Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a b\u1ea1t r\u1ea5t quan tr\u1ecdng khi s\u1eed d\u1ee5ng \u1edf nh\u1eefng khu v\u1ef1c c\u00f3 nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i l\u1edbn ho\u1eb7c ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi.<\/li>\n<\/ol>\n

          \u0110\u1ec3 c\u00f4ng tr\u00ecnh h\u1ed3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u, l\u1ef1a ch\u1ecdn b\u1ea1t l\u00f3t ph\u00f9 h\u1ee3p v\u00e0 \u0111\u01a1n v\u1ecb thi c\u00f4ng uy t\u00edn l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ef1 an t\u00e2m trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n

          <\/p>\n

          Xem th\u00eam t\u1ea1i website : https:\/\/batlotho.vn<\/a><\/p>\n

          <\/p>\n","protected":false},"excerpt":{"rendered":"

          B\u1ea1t l\u00f3t h\u1ed3 l\u00e0 gi\u1ea3i ph\u00e1p ch\u1ed1ng th\u1ea5m hi\u1ec7u qu\u1ea3 cho c\u00e1c h\u1ed3 ch\u1ee9a n\u01b0\u1edbc v\u00e0 h\u1ed3 c\u1ea3nh quan. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i b\u1ea1t v\u00e0 \u0111\u01a1n v\u1ecb thi c\u00f4ng s\u1ebd \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n cho c\u00f4ng tr\u00ecnh. B\u1ea1t l\u00f3t h\u1ed3 l\u00e0 g\u00ec? T\u1ea1i sao c\u1ea7n d\u00f9ng b\u1ea1t l\u00f3t h\u1ed3? B\u1ea1t l\u00f3t […]\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-897","post","type-post","status-publish","format-standard","hentry","category-khong-phan-loai"],"_links":{"self":[{"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/posts\/897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/comments?post=897"}],"version-history":[{"count":0,"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/posts\/897\/revisions"}],"wp:attachment":[{"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/media?parent=897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/categories?post=897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daotaotructuyentiengtrung.edu.vn\/index.php\/wp-json\/wp\/v2\/tags?post=897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}