{"id":21297,"date":"2021-08-31T10:08:47","date_gmt":"2021-08-31T03:08:47","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?page_id=21297"},"modified":"2021-08-31T10:08:47","modified_gmt":"2021-08-31T03:08:47","slug":"cong-nghe-san-xuat-van-ep-nhieu-lop-bien-tinh-kich-thuoc-lon-tu-go-bach-dan-urophylla-eucalyptus-urophylla-lam-vat-lieu-dong-tau-di-bien","status":"publish","type":"page","link":"https:\/\/vafs.gov.vn\/vn\/cong-nghe-san-xuat-van-ep-nhieu-lop-bien-tinh-kich-thuoc-lon-tu-go-bach-dan-urophylla-eucalyptus-urophylla-lam-vat-lieu-dong-tau-di-bien\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n \u00e9p nhi\u1ec1u l\u1edbp bi\u1ebfn t\u00ednh, k\u00edch th\u01b0\u1edbc l\u1edbn t\u1eeb g\u1ed7 B\u1ea1ch \u0111\u00e0n Urophylla (Eucalyptus urophylla) l\u00e0m v\u1eadt li\u1ec7u \u0111\u00f3ng t\u00e0u \u0111i bi\u1ec3n."},"content":{"rendered":"<p><strong>TH\u00d4NG TIN CHUNG<\/strong><\/p>\n<ul>\n<li>C\u00f4ng nh\u1eadn t\u1ea1i Q\u0110 s\u1ed1 193a\/Q\u0110-TCLN-KH&amp;HTQT ng\u00e0y 5 th\u00e1ng 5 n\u0103m 2015 c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p.<\/li>\n<li>T\u00e1c gi\u1ea3: Nguy\u1ec5n Quang Trung, Nguy\u1ec5n Th\u1ecb Ph\u00fac, \u0110\u1eb7ng \u0110\u1ee9c Vi\u1ec7t.<\/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<h3><a name=\"_Toc70512324\"><\/a>1. V\u1eadt li\u1ec7u<\/h3>\n<p>G\u1ed7 B\u1ea1ch \u0111\u00e0n urophylla r\u1eebng tr\u1ed3ng tr\u00ean 10 n\u0103m tu\u1ed5i; keo phenol foocmaldehyde th\u01b0\u01a1ng m\u1ea1i c\u00f3 h\u00e0m l\u01b0\u1ee3ng kh\u00f4 <em>52%:<\/em><\/p>\n<h3><a name=\"_Toc70512325\"><\/a>2. Thi\u1ebft b\u1ecb<\/h3>\n<p>M\u00e1y b\u00f3c g\u1ed7 g\u1ed3m 2 lo\u1ea1i k\u00edch th\u01b0\u1edbc: m\u00e1y b\u00f3c v\u1eb3n kh\u1ed5 1,3 m \u0111\u1ec3 b\u00f3c v\u00e1n m\u1ecfng l\u1edbp l\u00f5i v\u00e0 m\u00e1y b\u00f3c v\u00e1n kh\u1ed5 2,6 m \u0111\u1ec3 b\u00f3c v\u00e1n m\u1ecfng l\u1edbp m\u1eb7t; m\u00e1y c\u1eaft v\u00e1n m\u1ecfng, m\u00e1y \u00e9p nhi\u1ec7t c\u00f3 k\u00edch th\u01b0\u1edbc m\u1eb7t b\u00e0n kh\u1ed5 l\u1edbn (d\u00e0i 5200 mm), thi\u1ebft b\u1ecb x\u1eed l\u00ed v\u00e1n m\u1ecfng.<\/p>\n<h3><a name=\"_Toc70512326\"><\/a>3. N\u1ed9i dung c\u1ee7a ti\u1ebfn b\u1ed9 k\u0129 thu\u1eadt-c\u00f4ng ngh\u1ec7<\/h3>\n<p>B\u1eb1ng c\u00f4ng ngh\u1ec7 bi\u1ec3n t\u00ednh c\u01a1- h\u00f3a- nhi\u1ec7t, nguy\u00ean li\u1ec7u v\u00e1n b\u00f3c \u0111\u01b0\u1ee3c x\u1eed l\u00ed keo phenol foocmaldehyde sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e9p nhi\u1ec7t \u1edf \u00e1p l\u1ef1c 2 MPa, nhi\u1ec7t \u0111\u1ed9 130\u00b0C.<\/p>\n<h3><a name=\"_Toc70512327\"><\/a>4. C\u00e1c b\u01b0\u1edbc c\u1ee7a quy tr\u00ecnh c\u00f4ng ngh\u1ec7<\/h3>\n<p>G\u1ed7 B\u1ea1ch \u0111\u00e0n tr\u00ean 10 n\u0103m tu\u1ed5i, \u0111\u01b0\u1ee3c c\u1eaft kh\u00fac d\u00e0i 1,3 m \u0111\u1ec3 b\u00f3c v\u00e1n cho l\u1edbp l\u00f5i v\u00e0 d\u00e0i 2,5 m \u0111\u1ec3 b\u00f3c v\u00e1n l\u1edbp m\u1eb7t. V\u00e1n b\u00f3c \u0111\u01b0\u1ee3c s\u1ea5y \u0111\u1ebfn \u0111\u1ed9 \u1ea9m t\u1eeb 8% \u0111\u1ebfn 10%; sau \u0111\u00f3 \u0111\u01b0\u1ee3c ng\u00e2m t\u1ea9m keo PF; v\u00e1n sau ng\u00e2m keo \u0111\u01b0\u1ee3c s\u1ea5y v\u1ec1 \u0111\u1ed9 \u1ea9m t\u1eeb 25% \u0111\u1ebfn 30% r\u1ed3i x\u1ebfp l\u00f3p v\u00e0 \u0111\u01b0a v\u00e0o m\u00e1y \u00e9p. Th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 \u00e9p g\u1ed3m: \u00e1p l\u1ef1c \u00e9p 2 Mpa, nhi\u1ec7t \u0111\u1ed9 \u00e9p 130\u00b0C, th\u1eddi gian \u00e9p t\u1eeb 1,5 ph\u00fat \u0111\u1ebfn 2 ph\u00fat\/mm chi\u1ec1u d\u00e0y (h\u00ecnh 1). V\u00e1n sau khi \u00e9p \u0111\u01b0\u1ee3c x\u1ebfp c\u1ed1 \u0111\u1ecbnh tr\u00ean gi\u00e1 trong 48 h, sau \u0111\u00f3 \u0111\u01b0\u1ee3c gia c\u00f4ng x\u00e9n c\u1ea1nh x\u1eed l\u00ed b\u1ec1 m\u1eb7t (n\u1ebfu c\u1ea7n) v\u00e0 nh\u1eadp kho. \u0110\u1eb7c t\u00ednh c\u01a1 l\u00fd ch\u1ee7 y\u1ebfu c\u00f9a s\u1ea3n ph\u1ea9m v\u00e1n \u00e9p nhi\u1ec1u l\u1edbp bi\u1ebfn t\u00ednh:<\/p>\n<table width=\"444\">\n<tbody>\n<tr>\n<td width=\"234\">\u0110\u1eb7c t\u00ednh<\/td>\n<td width=\"210\">V\u00e1n \u00e9p nhi\u1ec1u l\u1edbp bi\u1ebfn t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">D\u00e0i (mm)<\/td>\n<td width=\"210\">5000<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">R\u1ed9ng (mm)<\/td>\n<td width=\"210\">500<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">D\u00e0y (mm)<\/td>\n<td width=\"210\">25-35<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">Kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch (kg\/m<sup>3<\/sup>)<\/td>\n<td width=\"210\">751,35<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">Tr\u01b0\u01a1ng n\u1edf (%)<\/td>\n<td width=\"210\">4,56<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">U\u1ed1n t\u0129nh<\/td>\n<td width=\"210\">50,28<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">Tr\u01b0\u1ee3t m\u00e0ng keo (MPa)<\/td>\n<td width=\"210\">2,3<\/td>\n<\/tr>\n<tr>\n<td width=\"234\">M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i u\u1ed1n t\u0129nh (MPa)<\/td>\n<td width=\"210\">8568,86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e1n \u00e9p nhi\u1ec1u l\u1edbp bi\u1ebfn t\u00ednh \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n EN 13986: 2004 (v\u00e1n nh\u00e2n t\u1ea1o s\u1eed d\u1ee5ng cho x\u00e2y d\u1ef1ng) v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng b\u00e1m d\u00ednh v\u00e0 m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng v\u1ec1 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i theo Peter Niemz (1994) q\u00fay \u0111\u1ecbnh cho v\u00e1n d\u00e1n c\u00f3 chi\u1ec1u d\u00e0y t\u1eeb 15 mm \u0111\u1ebfn 29 mm.<\/li>\n<li>S\u1ea3n ph\u1ea9m v\u00e1n \u00e9p nhi\u1ec1u l\u1edbp bi\u1ebfn t\u00ednh \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt l\u00e0m nguy\u00ean li\u1ec7u \u0111\u00f3ng boong, s\u00e0n, h\u1ea7m, cabin t\u00e0u thuy\u1ec1n g\u1ed7 \u0111i bi\u1ec3n.<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"http:\/\/vafs.gov.vn\/vn\/cong-nghe-san-xuat-van-ep-nhieu-lop-bien-tinh-kich-thuoc-lon-tu-go-bach-dan-urophylla-eucalyptus-urophylla-lam-vat-lieu-dong-tau-di-bien\/vanep\/\" rel=\"attachment wp-att-21298\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-21298\" src=\"http:\/\/vafs.gov.vn\/vn\/wp-content\/uploads\/sites\/2\/2021\/08\/VanEp.jpg\" alt=\"\" width=\"471\" height=\"492\" \/><\/a><\/p>\n<p style=\"text-align: center;\">H\u00ecnh 1: C\u00e1c b\u01b0\u1edbc c\u00f4ng ngh\u1ec7 t\u1ea1o s\u1ea3n ph\u1ea9m<\/p>\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>&nbsp;<\/p>\n<ul>\n<li>C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n \u00e9p nhi\u1ec1u l\u1edbp bi\u1ebfn t\u00ednh t\u1eeb g\u1ed7 B\u1ea1ch \u0111\u00e0n \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ea1i c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t v\u00e1n d\u00e1n t\u1ea1i Vi\u1ec7t Nam.<\/li>\n<li>Quy m\u00f4 \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7: C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t v\u00e1n \u00e9p nhi\u1ec1u l\u00f3p bi\u1ebfn t\u00ednh t\u1eeb g\u1ed7 B\u1ea1ch \u0111\u00e0n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng ty s\u1ea3n xu\u1ea5t v\u00e1n d\u00e1n quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf, c\u00f3 m\u00e1y \u00e9p \u0111\u1ea1t c\u00e1c th\u00f4ng s\u1ed1 sau: chi\u1ec1u d\u00e0i b\u00e0n \u00e9p tr\u00ean 5.000 mm, chi\u1ec1u r\u1ed9ng b\u00e0n \u00e9p t\u00f9y theo y\u00eau c\u1ea7u s\u1ea3n ph\u1ea9m, \u00e1p l\u1ef1c \u00e9p tr\u00ean 2,0 Mpa; nhi\u1ec7t \u0111\u1ed9 b\u00e0n \u00e9p t\u1eeb 130\u00b0C \u0111\u1ebfn 140\u00b0C.<\/li>\n<\/ul>\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<p>S\u1ea3n ph\u1ea9m v\u00e1n \u00e9p nhi\u1ec1u l\u1edbp bi\u1ebfn t\u00ednh t\u1eeb&#8217; g\u1ed7 B\u1ea1ch \u0111\u00e0n c\u00f3 chi\u1ec1u d\u00e0i l\u1edbn, c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00ed v\u00e0 c\u01a1 h\u1ecdc ch\u1ee7 y\u1ebfu t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi nguy\u00ean li\u1ec7u g\u1ed7 x\u1ebb r\u1eebng t\u1ef1 nhi\u00ean \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u l\u00e0m nguy\u00ean li\u1ec7u \u0111\u00f3ng boong, s\u00e0n, h\u1ea7m, cabin t\u00e0u thuy\u1ec1n g\u1ed7 \u0111i bi\u1ec3n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TH\u00d4NG TIN CHUNG C\u00f4ng nh\u1eadn t\u1ea1i Q\u0110 s\u1ed1 193a\/Q\u0110-TCLN-KH&amp;HTQT ng\u00e0y 5 th\u00e1ng 5 n\u0103m 2015 c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p. T\u00e1c gi\u1ea3: Nguy\u1ec5n Quang Trung, Nguy\u1ec5n Th\u1ecb Ph\u00fac, \u0110\u1eb7ng \u0110\u1ee9c Vi\u1ec7t. N\u1ed8I DUNG CH\u00cdNH 1. V\u1eadt li\u1ec7u G\u1ed7 B\u1ea1ch \u0111\u00e0n urophylla r\u1eebng tr\u1ed3ng tr\u00ean 10 n\u0103m tu\u1ed5i; keo phenol foocmaldehyde th\u01b0\u01a1ng m\u1ea1i c\u00f3 h\u00e0m l\u01b0\u1ee3ng [&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\/21297"}],"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=21297"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21297\/revisions"}],"predecessor-version":[{"id":21300,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21297\/revisions\/21300"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=21297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}