{"id":21307,"date":"2021-08-31T10:15:19","date_gmt":"2021-08-31T03:15:19","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?page_id=21307"},"modified":"2021-08-31T10:16:26","modified_gmt":"2021-08-31T03:16:26","slug":"qui-trinh-cong-nghe-tao-san-pham-go-khoi-tu-van-boc-go-keo","status":"publish","type":"page","link":"https:\/\/vafs.gov.vn\/vn\/qui-trinh-cong-nghe-tao-san-pham-go-khoi-tu-van-boc-go-keo\/","title":{"rendered":"Qui tr\u00ecnh c\u00f4ng ngh\u1ec7 t\u1ea1o s\u1ea3n ph\u1ea9m g\u1ed7 kh\u1ed1i t\u1eeb v\u00e1n b\u00f3c g\u1ed7 Keo"},"content":{"rendered":"<p><strong>TH\u00d4NG TIN CHUNG<\/strong><\/p>\n<ul>\n<li>C\u00f4ng nh\u1eadn t\u1ea1i Quy\u1ebft \u0111\u1ecbnh s\u00f4\u0301 590\/Q\u0110-TCLN-KH&amp;HTQT ng\u00e0y 28 th\u00e1ng 12 n\u0103m 2018 c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p.<\/li>\n<li>T\u00e1c gi\u1ea3: Nguy\u1ec5n Quang Trung, H\u00e0 Ti\u1ebfn M\u1ea1nh, \u0110\u1eb7ng \u0110\u1ee9c Vi\u1ec7t, Ph\u1ea1m Th\u1ecb Thanh Mi\u1ec1n, Nguy\u1ec5n Th\u1ecb Ph\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td><strong>N\u1ed8I DUNG CH\u00cdNH<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><a href=\"http:\/\/vafs.gov.vn\/vn\/qui-trinh-cong-nghe-tao-san-pham-go-khoi-tu-van-boc-go-keo\/go-khoi\/\" rel=\"attachment wp-att-21309\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-21309\" src=\"http:\/\/vafs.gov.vn\/vn\/wp-content\/uploads\/sites\/2\/2021\/08\/Go-khoi.jpg\" alt=\"\" width=\"644\" height=\"359\" srcset=\"https:\/\/vafs.gov.vn\/vn\/wp-content\/uploads\/sites\/2\/2021\/08\/Go-khoi.jpg 644w, https:\/\/vafs.gov.vn\/vn\/wp-content\/uploads\/sites\/2\/2021\/08\/Go-khoi-500x279.jpg 500w\" sizes=\"(max-width: 644px) 100vw, 644px\" \/><\/a><\/p>\n<p style=\"text-align: center;\">H\u00ecnh 1: S\u01a1 \u0111\u1ed3 c\u00e1c b\u01b0\u1edbc c\u00f4ng ngh\u1ec7 trong quy tr\u00ecnh t\u1ea1o s\u1ea3n ph\u1ea9m g\u1ed7 kh\u1ed1i<\/p>\n<h3><a name=\"_Toc70512337\"><\/a>M\u00f4 t\u1ea3 t\u00f3m t\u1eaft c\u00e1c b\u01b0\u1edbc c\u00f4ng ngh\u1ec7:<\/h3>\n<ul>\n<li>B\u01b0\u1edbc 1 v\u00e0 2: Y\u00eau c\u1ea7u g\u1ed3 keo t\u1eeb r\u1eebng tr\u1ed3ng (Keo lai; Keo tai t\u01b0\u1ee3ng) tr\u00ean 10 n\u0103m tu\u1ed5i c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea7u nh\u1ecf tr\u00ean 15 cm, g\u1ed7 c\u00f2n t\u01b0\u01a1i, \u0111\u01b0\u1ee3c c\u1eaft kh\u00fac d\u00e0i 2,6 m, sau \u0111\u00f3 g\u1ed7 kh\u00fac g\u1ed7 \u0111\u01b0\u1ee3c l\u00e0m tr\u00f2n (lo\u1ea1i b\u1ecf v\u1ecf, b\u1ea1nh v\u00e8, w&#8230;).<\/li>\n<li>B\u01b0\u1edbc 3: G\u1ed7 sau khi \u0111\u01b0\u1ee3c b\u00f3c v\u1ecf v\u00e0 l\u00e0m tr\u00f2n chuy\u1ec3n sang c\u00f4ng \u0111o\u1ea1n b\u00f3c t\u1ea1o v\u00e1n; k\u00edch th\u01b0\u1edbc v\u00e1n: r\u1ed9ng 1300 mm X d\u00e0i 2600 mm X d\u00e0y 22 min \u0111\u1ebfn 25 mm t\u00f9y theo s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/li>\n<li>B\u01b0\u1edbc 4: V\u00e1n sau khi \u0111\u01b0\u1ee3c c\u1eaft \u0111\u00fang k\u00edch th\u01b0\u1edbc theo y\u00eau c\u1ea7u s\u1ebd chuy\u1ec3n qua kh\u00e2u ph\u00e2n lo\u1ea1i c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng v\u00e1n b\u00f3c v\u00e0 \u0111\u01b0a v\u00e0o s\u1ea5y kh\u00f4.<\/li>\n<\/ul>\n<p><em>\u00a0\u00a0 <\/em><em>\u0110i\u1ec3m m\u1edbi c\u1ee7a c\u00f4ng ngh\u1ec7 t\u1ea1o g\u1ed7 kh\u1ed1i<\/em> so v\u1edbi th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t v\u00e1n d\u00e1n hi\u1ec7n nay l\u00e0: Y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng v\u00e1n b\u00f3c c\u1ee7a c\u00e1c l\u1edbp m\u1eb7t v\u00e0 l\u1edbp l\u00f5i ph\u1ea3i \u0111\u1ed3ng \u0111\u1ec1u nh\u01b0 nhau v\u00e0 ph\u1ea3i \u0111\u1ea1t y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng theo TCVN 8328\u201c 1:2010. Trong \u0111\u00f3, sai s\u1ed1 k\u00edch th\u01b0\u1edbc chi\u1ec1u d\u00e0y: \u00b10,10 mm; sai s\u1ed1 k\u00edch th\u01b0\u1edbc chi\u1ec1u r\u1ed9ng: \u00b1 5,0 mm; sai s\u1ed1 k\u00edch th\u01b0\u1edbc chi\u1ec1u d\u00e0i: \u00b1 5,0 mm v\u00e0 m\u1ed9t s\u1ed1 y\u00eau c\u1ea7u kh\u00e1c v\u1ec1 khuy\u1ebft t\u1eadt nh\u01b0 m\u1eaft ch\u1ebft, l\u1ed7 th\u1ee7ng cho ph\u00e9p kh\u00f4ng l\u1edbn h\u01a1n 3 mm, kh\u00f4ng ph\u00e2n b\u1ed5 t\u1eadp trung.<\/p>\n<ul>\n<li>B\u01b0\u1edbc 5: V\u00e1n b\u00f3c sau khi s\u1ea5y \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng, c\u00e1c v\u00e1n b\u00f3c \u0111\u1ea1t y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng chuy\u1ec3n qua c\u00f4ng \u0111o\u1ea1n tr\u00e1ng keo.<\/li>\n<li>B\u01b0\u01a1\u0301c 6: V\u00e1n sau x\u1ebfp l\u1edbp \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y \u00e9p ngu\u1ed9i. Th\u00f4ng s\u1ed1 ch\u1ebf \u0111\u1ed9 \u00e9p: \u00c1p l\u1ef1c \u00e9p 0,8 Mpa; th\u1eddi gian \u00e9p 5 gi\u1edd.<\/li>\n<li>B\u01b0\u1edbc 7: Sau \u00e9p ngu\u1ed9i, trong kho\u1ea3ng th\u1eddi gian kh\u00f4ng qu\u00e1 30 ph\u00fat, v\u00e1n nhi\u1ec1u l\u1edbp (LVL) \u0111\u00e3 \u00e9p ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c \u0111\u01b0a sang m\u00e1y \u00e9p nhi\u1ec7t theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt sau:<\/li>\n<li>Ch\u1ebf \u0111\u1ed9 \u00e9p nhi\u1ec7t v\u1edbi s\u1ea3n ph\u1ea9m d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 n\u1ed9i th\u1ea5t, keo s\u1eed d\u1ee5ng UF: th\u1eddi gian \u00e9p nhi\u1ec7t 30 ph\u00fat, \u00e1p l\u1ef1c \u00e9p 1,3 MPa, nhi\u1ec7t \u0111\u1ed9 110<sup>c<\/sup><\/li>\n<li>Ch\u1ebf \u0111\u1ed9 \u00e9p nhi\u1ec7t v\u1edbi s\u1ea3n ph\u1ea9m d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 ngo\u1ea1i th\u1ea5t, keo s\u1eed d\u1ee5ng PF: th\u1eddi gian \u00e9p 30 ph\u00fat, \u00e1p l\u1ef1c 1,3 MPa, nhi\u1ec7t \u0111\u1ed9 130 &#8211; 140\u00b0C.<\/li>\n<li>B\u01b0\u1edbc 8: V\u00e1n LVL sau \u00e9p nhi\u1ec7t \u0111\u01b0\u1ee3c l\u01b0u kho b\u1ea3o \u00f4n v\u00e0 \u1ed5n \u0111\u1ecbnh v\u00e1n v\u1edbi th\u1eddi gian t\u1ed1i thi\u1ec3u 48 gi\u1edd, sau \u0111\u00f3 v\u00e1n \u0111\u01b0\u1ee3c x\u00e9n c\u1ea1nh, \u0111\u1ea1t chu\u1ea9n k\u00edch th\u01b0\u1edbc r\u1ed9ng 1200 mm; d\u00e0i 2400 mm b\u1eb1ng c\u01b0a \u0111\u0129a b\u00e0n tr\u01b0\u1ee3t c\u00f3 2 l\u01b0\u1ee1i c\u1eaft h\u1ee3p kim. Sau \u0111\u00f3, v\u00e1n LVL \u0111\u01b0\u1ee3c chuy\u1ec3n qua b\u1ed9 ph\u1eadn \u0111\u00e1nh nh\u1eb5n b\u1ec1 m\u1eb7t. Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng l\u00e0 m\u00e1y ch\u00e0 nh\u00e1m tinh c\u00f3 kh\u1ed5 r\u1ed9ng cho ph\u00e9p 1300 mm.<\/li>\n<li>B\u01b0\u1edbc 9: S\u1ea3n ph\u1ea9m v\u00e1n LVL ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c chuy\u1ec3n sang b\u1ed9 ph\u1eadn gia c\u00f4ng t\u1ea1o v\u1eadt li\u1ec7u g\u1ed7 gh\u00e9p kh\u1ed1i, s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a d\u00e2y chuy\u1ec1n t\u1ea1o v\u00e1n gh\u00e9p thanh \u0111\u1ec3 t\u1ea1o s\u1ea3n ph\u1ea9m g\u1ed7 gh\u00e9p kh\u1ed1i.<\/li>\n<\/ul>\n<p><em>\u0110i\u1ec3m m\u1edbi c\u1ee7a c\u1ee7a c\u00f4ng ngh\u1ec7 t\u1ea1o g\u1ed7 kh\u1ed1i<\/em> <em>so<\/em> v\u1edbi s\u1ea3n xu\u1ea5t: V\u00e1n LVL \u0111\u01b0\u1ee3c x\u1ebb th\u00e0nh c\u00e1c thanh c\u01a1 s\u1edf c\u00f3 chi\u1ec1u r\u1ed9ng b\u1eb1ng chi\u1ec1u d\u00e0y s\u1ea3n ph\u1ea9m g\u1ed7 kh\u1ed1i c\u1ea7n \u0111\u1ea1t (t\u00f9y theo y\u00eau c\u1ea7u s\u1ea3n xu\u1ea5t, chi\u1ec1u d\u00e0y c\u00f3 th\u1ec3 l\u00e0 22 mm; 25 mm, 50 mm,&#8230;), khuy\u1ebfn c\u00e1o n\u00ean s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb x\u1ebb l\u00e0 c\u01b0a \u0111\u0129a b\u00e0n tr\u01b0\u1ee3t c\u00f3 2 \u0111\u0129a c\u1eaft (tr\u00ean v\u00e0 d\u01b0\u1edbi), l\u01b0\u1ee1i h\u1ee3p kim, t\u1ed1c \u0111\u1ed9 c\u1eaft tr\u00ean 3500 v\u00f2ng\/ph\u00fat, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng m\u1ea1ch c\u1eaft v\u00e0 chu\u1ea9n k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m.<\/p>\n<ul>\n<li>B\u01b0\u1edbc 10: S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb gh\u00e9p ngang cao t\u1ea7n \u0111\u1ec3 t\u1ea1o s\u1ea3n ph\u1ea9m g\u1ed7 kh\u1ed1i. Th\u00f4ng s\u1ed1 ch\u1ebf \u0111\u1ed9 \u00e9p \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u01b0\u1edbc khi \u00e9p.<\/li>\n<\/ul>\n<p><em>\u00a0\u00a0 <\/em><em>\u0110i\u1ec3m m\u1edbi c\u1ee7a c\u1ee7a c\u00f4ng ngh\u1ec7 t\u1ea1o g\u1ed7 kh\u1ed1i<\/em> so v\u1edbi s\u1ea3n xu\u1ea5t l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 nh\u01b0 sau: Th\u1eddi gian \u00e9p 190 gi\u00e2y, th\u1eddi gian l\u00e0m ngu\u1ed9i c\u00f3 \u00e1p l\u1ef1c 60 gi\u00e2y; \u00c1p l\u1ef1c \u00e9p ngang tr\u00ean \u0111\u1ed3ng h\u1ed3 d\u1ea7u th\u1ee7y l\u1ef1c 5,6 Mpa; Nhi\u1ec7t \u0111\u1ed9 \u00e9p ph\u1ee5 thu\u1ed9c v\u00e0o c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p, nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p l\u00e0 80 &#8211; 90\u00b0C.<\/p>\n<ul>\n<li>B\u01b0\u1edbc 11: G\u1ed7 kh\u1ed1i sau th\u1eddi gian \u1ed5n \u0111\u1ecbnh 48 gi\u1edd \u0111\u01b0\u1ee3c ch\u00e0 nh\u00e1m th\u00f4 \u0111\u1ec3 t\u1ea1o m\u1eb7t ph\u1eb3ng \u0111\u1ed3ng \u0111\u1ec1u. N\u1ebfu c\u00f3 khuy\u1ebft t\u1eadt b\u1ec1 m\u1eb7t tr\u00ean g\u1ed7 kh\u1ed1i nh\u01b0 c\u00e1c l\u1ed7 th\u1ee7ng do m\u1eaft g\u1ed7, v\u1ebft x\u01b0\u1edbc ho\u1eb7c v\u1ebft bong t\u00e1ch m\u00e0ng keo c\u1ea7n \u0111\u01b0\u1ee3c g\u1eafn \u0111\u1ea7y b\u1eb1ng h\u1ed7n h\u1ee3p b\u1ed9t g\u1ed7 m\u1ecbn v\u00e0<\/li>\n<\/ul>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\u0110\u1ecaA \u0110I\u1ec2M \u1ee8NG D\u1ee4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>T\u1ea5t ca\u0309 c\u00e1c c\u01a1 s\u01a1\u0309 s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m \u0111\u1ed3 m\u1ed9c c\u00f3 \u0111\u1ee7 m\u00e1y, thi\u1ebft b\u1ecb tr\u00ean to\u00e0n qu\u1ed1c.<\/p>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\u0110I\u1ec0U KI\u1ec6N \u1ee8NG D\u1ee4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>Nguy\u00ean li\u1ec7u: G\u1ed7 keo t\u1eeb r\u1eebng tr\u1ed3ng tr\u00ean 10 n\u0103m tu\u1ed5i, \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea7u nh\u1ecf tr\u00ean 15 cm \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng g\u1ed7 cao, h\u1ea1 gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m.<\/li>\n<li>C\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t v\u00e1n d\u00e1n trong \u0111\u00f3 thi\u1ebft b\u1ecb s\u1ea5y v\u00e1n b\u00f3c y\u00eau c\u1ea7u l\u00e0 thi\u1ebft b\u1ecb s\u1ea5y li\u00ean t\u1ee5c v\u00e0 h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t v\u00e1n gh\u00e9p thanh c\u00f3 quy m\u00f4 v\u1eeba v\u00e0 l\u1edbn, m\u1ee9c \u0111\u1ed9 c\u01a1 gi\u1edbi h\u00f3a cao s\u1ebd t\u1ea1o \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m g\u1ed7 kh\u1ed1i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TH\u00d4NG TIN CHUNG C\u00f4ng nh\u1eadn t\u1ea1i Quy\u1ebft \u0111\u1ecbnh s\u00f4\u0301 590\/Q\u0110-TCLN-KH&amp;HTQT ng\u00e0y 28 th\u00e1ng 12 n\u0103m 2018 c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p. T\u00e1c gi\u1ea3: Nguy\u1ec5n Quang Trung, H\u00e0 Ti\u1ebfn M\u1ea1nh, \u0110\u1eb7ng \u0110\u1ee9c Vi\u1ec7t, Ph\u1ea1m Th\u1ecb Thanh Mi\u1ec1n, Nguy\u1ec5n Th\u1ecb Ph\u01b0\u1ee3ng. N\u1ed8I DUNG CH\u00cdNH H\u00ecnh 1: S\u01a1 \u0111\u1ed3 c\u00e1c b\u01b0\u1edbc c\u00f4ng ngh\u1ec7 trong quy tr\u00ecnh t\u1ea1o s\u1ea3n [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21307"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=21307"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21307\/revisions"}],"predecessor-version":[{"id":21310,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21307\/revisions\/21310"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=21307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}