{"id":23702,"date":"2024-12-30T12:37:44","date_gmt":"2024-12-30T05:37:44","guid":{"rendered":"https:\/\/vafs.gov.vn\/vn\/?p=23702"},"modified":"2024-12-30T12:41:31","modified_gmt":"2024-12-30T05:41:31","slug":"hop-hoi-dong-nghiem-thu-tong-ket-nhiem-vu-khoa-hoc-cong-nghe-cap-bo-nghien-cuu-cong-nghe-ep-dinh-hinh-van-boc-go-rung-trong-tao-cau-kien-kich-thuoc-lon-su-dung-trong-xay-dung-va-do-go-noi-that","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/hop-hoi-dong-nghiem-thu-tong-ket-nhiem-vu-khoa-hoc-cong-nghe-cap-bo-nghien-cuu-cong-nghe-ep-dinh-hinh-van-boc-go-rung-trong-tao-cau-kien-kich-thuoc-lon-su-dung-trong-xay-dung-va-do-go-noi-that\/","title":{"rendered":"H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu t\u1ed5ng k\u1ebft nhi\u1ec7m v\u1ee5 Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 c\u1ea5p B\u1ed9: Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 \u00e9p \u0111\u1ecbnh h\u00ecnh v\u00e1n b\u00f3c g\u1ed7 r\u1eebng tr\u1ed3ng t\u1ea1o c\u1ea5u ki\u1ec7n k\u00edch th\u01b0\u1edbc l\u1edbn s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u1ed3 g\u1ed7 n\u1ed9i th\u1ea5t."},"content":{"rendered":"

Th\u1ef1c hi\u1ec7n Quy\u1ebft \u0111\u1ecbnh s\u1ed1: 572\/Q\u0110 \/KHLN-KH ng\u00e0y 25\/12\/2024 <\/em>c\u1ee7a c\u1ee7a Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n v\u1ec1 vi\u1ec7c Th\u00e0nh l\u1eadp H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ecdp H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu \u00a0t\u1ed5ng k\u1ebft nhi\u1ec7m v\u1ee5 Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 c\u1ea5p B\u1ed9:<\/p>\n

T\u00ean \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 \u00e9p \u0111\u1ecbnh h\u00ecnh v\u00e1n b\u00f3c g\u1ed7 r\u1eebng tr\u1ed3ng t\u1ea1o c\u1ea5u ki\u1ec7n k\u00edch th\u01b0\u1edbc l\u1edbn s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u1ed3 g\u1ed7 n\u1ed9i th\u1ea5t.<\/p>\n

Ch\u1ee7 nhi\u1ec7m: TS. Nguy\u1ec5n \u0110\u1ee9c Th\u00e0nh.<\/p>\n

\u0110\u01a1n v\u1ecb th\u1ef1c hi\u1ec7n: Vi\u1ec7n Nghi\u00ean c\u1ee9u C\u00f4ng nghi\u1ec7p r\u1eebng.<\/p>\n

\"\"<\/a><\/p>\n

M\u1ee5c ti\u00eau:<\/strong><\/p>\n

X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00f4ng ngh\u1ec7 t\u1ea1o c\u1ea5u ki\u1ec7n g\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn t\u1eeb v\u00e1n b\u00f3c g\u1ed7 r\u1eebng tr\u1ed3ng s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u1ed3 g\u1ed7 n\u1ed9i th\u1ea5t, g\u00f3p ph\u1ea7n \u0111a d\u1ea1ng ho\u00e1 s\u1ea3n ph\u1ea9m v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng g\u1ed7 r\u1eebng tr\u1ed3ng.<\/p>\n

M\u1ee5c ti\u00eau c\u1ee5 th\u1ec3:<\/em><\/strong><\/p>\n

– Ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb \u00e9p \u0111\u1ecbnh h\u00ecnh v\u00e1n b\u00f3c t\u1ea1o c\u1ea5u ki\u1ec7n g\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u1ed3 g\u1ed7 n\u1ed9i th\u1ea5t;<\/p>\n

– X\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c quy tr\u00ecnh c\u00f4ng ngh\u1ec7 t\u1ea1o c\u1ea5u ki\u1ec7n g\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn t\u1eeb v\u00e1n b\u00f3c g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u1ed3 g\u1ed7 n\u1ed9i th\u1ea5t;<\/p>\n

– Thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh s\u1ea3n xu\u1ea5t c\u1ea5u ki\u1ec7n g\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn d\u1ea1ng \u00e9p \u0111\u1ecbnh h\u00ecnh t\u1eeb v\u00e1n b\u00f3c, quy m\u00f4 1.000 m3<\/sup>\/n\u0103m;<\/p>\n

– Chuy\u1ec3n giao \u0111\u01b0\u1ee3c c\u00f4ng ngh\u1ec7 v\u00e0o s\u1ea3n xu\u1ea5t.<\/p>\n

\"\"<\/a><\/p>\n

N\u1ed9i dung nghi\u00ean c\u1ee9u c\u1ee7a \u0111\u1ec1 t\u00e0i<\/strong><\/p>\n

N\u1ed9i dung 1: Nghi\u00ean c\u1ee9u nguy\u00ean l\u00fd c\u00f4ng ngh\u1ec7 t\u1ea1o c\u1ea5u ki\u1ec7n g\u1ed7 \u00e9p \u0111\u1ecbnh h\u00ecnh t\u1eeb v\u00e1n b\u00f3c<\/p>\n

N\u1ed9i dung 2: Nghi\u00ean c\u1ee9u thi\u1ebft k\u1ebf, ch\u1ebf t\u1ea1o h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb, m\u00e1y \u00e9p v\u00e1n b\u00f3c t\u1ea1o c\u1ea5u ki\u1ec7n g\u1ed7 \u00e9p \u0111\u1ecbnh h\u00ecnh k\u00edch th\u01b0\u1edbc l\u1edbn<\/p>\n

N\u1ed9i dung 3: Nghi\u00ean c\u1ee9u x\u00e2y d\u1ef1ng quy tr\u00ecnh c\u00f4ng ngh\u1ec7 t\u1ea1o c\u1ea5u ki\u1ec7n g\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn t\u1eeb v\u00e1n b\u00f3c g\u1ed7 Keo s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u1ed3 g\u1ed7 n\u1ed9i th\u1ea5t<\/p>\n

N\u1ed9i dung 4: Nghi\u00ean c\u1ee9u t\u00ednh to\u00e1n thi\u1ebft k\u1ebf m\u00f4 h\u00ecnh s\u1ea3n xu\u1ea5t c\u1ea5u ki\u1ec7n g\u1ed7 t\u1eeb v\u00e1n b\u00f3c g\u1ed7 Keo c\u00f4ng su\u1ea5t 1.000 m3<\/sup>\/n\u0103m<\/p>\n

\"\"<\/a><\/p>\n

V\u1ec1 hi\u1ec7u qu\u1ea3 c\u1ee7a nhi\u1ec7m v\u1ee5:<\/strong><\/p>\n

\u0110\u1ed1i v\u1edbi l\u0129nh v\u1ef1c KH&CN c\u00f3 li\u00ean quan<\/em><\/strong><\/p>\n

Quy tr\u00ecnh c\u00f4ng ngh\u1ec7 \u00e9p \u0111\u1ecbnh h\u00ecnh t\u1ea1o v\u1eadt li\u1ec7u g\u1ed7 h\u00ecnh t\u1eeb v\u00e1n b\u00f3c g\u1ed7 Keo tai t\u01b0\u1ee3ng l\u00e0m v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t l\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi t\u1ea1i Vi\u1ec7t Nam. Trong \u0111\u00f3, \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 \u00e9p ngu\u1ed9i ph\u00f9 h\u1ee3p v\u1edbi g\u1ed7 Keo tai t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf Vi\u1ec7t Nam l\u00e0: b\u00e1n k\u00ednh cong c\u1ee7a khu\u00f4n \u00e9p: 50 mm; \u00e1p su\u1ea5t \u00e9p 1,2 \u00b1 0,05 Mpa; th\u1eddi gian \u00e9p 5 gi\u1edd \u0111\u1ed1i v\u1edbi g\u1ed7 h\u00ecnh ch\u1eef C, th\u1eddi gian gh\u00e9p n\u1ed1i 24 gi\u1edd \u0111\u1ed1i v\u1edbi g\u1ed7 h\u00ecnh ch\u1eef I v\u00e0 g\u1ed7 h\u00ecnh h\u1ed9p r\u1ed7ng.<\/p>\n

C\u00f4ng ngh\u1ec7 \u00e9p t\u1ea1o v\u1eadt li\u1ec7u g\u1ed7 h\u00ecnh l\u00e0 c\u00f4ng ngh\u1ec7 \u00e9p ngu\u1ed9i, \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c c\u1ea5u ki\u1ec7n g\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn, gh\u00e9p n\u1ed1i l\u1ea1i v\u1edbi nhau. V\u00e2\u0323t li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 d\u00ea\u0303 d\u00e0ng thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc, ki\u1ec3u d\u00e1ng b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i h\u00ecnh d\u00e1ng v\u00e0 k\u00edch th\u01b0\u1edbc khu\u00f4n \u00e9p. Do \u0111\u00f3, c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u1ea3i ti\u1ebfn khu\u00f4n \u00e9p v\u00e0 l\u1eafp \u0111\u1eb7t tr\u00ean c\u00e1c thi\u1ebft b\u1ecb \u00e9p s\u1eb5n c\u00f3 \u0111\u1ec3 ph\u1ee5c v\u1ee5 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n

Quy tr\u00ecnh c\u00f4ng ngh\u1ec7 t\u1ea1o ra v\u1eadt li\u1ec7u li\u1ec7u g\u1ed7 h\u00ecnh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u00e9p \u0111\u1ecbnh h\u00ecnh l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t c\u00f3 \u0111\u1ed9 tr\u01b0\u01a1ng n\u1edf chi\u1ec1u d\u00e0y th\u1ea5p (1,4%). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u g\u1ed7 l\u00f5i r\u1ed7ng c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc cao khi c\u00f3 s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i (RH) trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Do \u0111\u00f3, c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ed3 m\u1ed9c x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb v\u1eadt li\u1ec7u g\u1ed7 l\u00f5i r\u1ed7ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh. S\u1ea3n ph\u1ea9m, so v\u1edbi c\u00e1c lo\u1ea1i v\u00e1n g\u1ed7, tre nh\u00e2n t\u1ea1o, v\u1eadt li\u1ec7u g\u1ed7 l\u00f5i r\u1ed7ng \u00e9p \u0111\u1ecbnh h\u00ecnh l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t, \u0111\u1ed9 b\u1ec1n c\u01a1 v\u1eadt l\u00fd ho\u00e0n to\u00e0n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u theo TCVN 12619-1:2019 \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i g\u1ed7 d\u00f9ng trong x\u00e2y d\u1ef1ng v\u00e0 ch\u1ecbu l\u1ef1c.<\/p>\n

\u0110\u1ed1i v\u1edbi kinh t\u1ebf – x\u00e3 h\u1ed9i v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/em><\/strong><\/p>\n

Hi\u1ec7u qu\u1ea3 kinh t\u1ebf<\/em><\/p>\n

V\u1edbi gi\u00e1 th\u00e0nh t\u00ednh to\u00e1n, v\u1eadt li\u1ec7u g\u1ed7 h\u00ecnh ch\u1eef C, I v\u00e0 h\u1ed9p r\u1ed7ng c\u00f3 gi\u00e1 th\u00e0nh c\u1ea1nh tranh v\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 thay th\u1ebf g\u1ed7 t\u1ef1 nhi\u00ean \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 m\u1ed9c x\u00e2y d\u1ef1ng v\u00e0 n\u1ed9i th\u1ea5t. \u0110i\u1ec1u n\u00e0y g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 kinh t\u1ebf x\u00e3 h\u1ed9i v\u00e0 m\u00f4i tr\u01b0\u1eddng nh\u01b0 t\u1ea1o vi\u1ec7c l\u00e0m v\u00e0 thu nh\u1eadp \u1ed5n \u0111\u1ecbnh cho ng\u01b0\u1eddi tr\u1ed3ng r\u1eebng v\u00e0 ch\u1ebf bi\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb r\u1eebng tr\u1ed3ng, gi\u1ea3m \u00e1p l\u1ef1c l\u00ean ngu\u1ed3n nguy\u00ean li\u1ec7u t\u1eeb g\u1ed7 t\u1ef1 nhi\u00ean ng\u00e0y c\u00e0ng khan hi\u1ebfm.<\/p>\n

Hi\u1ec7u qu\u1ea3 x\u00e3 h\u1ed9i<\/em>:<\/em><\/p>\n

M\u01a1\u0309 r\u00f4\u0323ng sa\u0309n ph\u00e2\u0309m, ta\u0323o th\u00eam vi\u00ea\u0323c la\u0300m cho c\u01a1 s\u01a1\u0309 sa\u0309n xu\u00e2\u0301t g\u00f4\u0303 e\u0301p nhi\u00ea\u0300u l\u01a1\u0301p, vi\u00ea\u0323c la\u0300m cho ca\u0301c c\u01a1 s\u01a1\u0309 sa\u0309n xu\u00e2\u0301t va\u0301n bo\u0301c quy m\u00f4 nho\u0309, th\u00eam vi\u00ea\u0323c la\u0300m cho ng\u01b0\u01a1\u0300i tr\u00f4\u0300ng r\u01b0\u0300ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

Th\u1ef1c hi\u1ec7n Quy\u1ebft \u0111\u1ecbnh s\u1ed1: 572\/Q\u0110 \/KHLN-KH ng\u00e0y 25\/12\/2024 c\u1ee7a c\u1ee7a Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n v\u1ec1 vi\u1ec7c Th\u00e0nh l\u1eadp H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ecdp H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu \u00a0t\u1ed5ng k\u1ebft nhi\u1ec7m v\u1ee5 Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 c\u1ea5p B\u1ed9: T\u00ean \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u c\u00f4ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/23702"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=23702"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/23702\/revisions"}],"predecessor-version":[{"id":23708,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/23702\/revisions\/23708"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=23702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=23702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=23702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}