{"id":26518,"date":"2021-01-25T21:55:53","date_gmt":"2021-01-25T14:55:53","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=26518"},"modified":"2022-02-08T09:45:38","modified_gmt":"2022-02-08T02:45:38","slug":"gach-tu-nhua-cach-am-khong-chay","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/gach-tu-nhua-cach-am-khong-chay\/","title":{"rendered":"G\u1ea1ch t\u1eeb nh\u1ef1a c\u00e1ch \u00e2m, kh\u00f4ng ch\u00e1y"},"content":{"rendered":"\n

Octoplastic l\u00e0 d\u1ef1 \u00e1n c\u1ee7a nh\u00f3m sinh vi\u00ean Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa (\u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia TPHCM) ph\u00e1t tri\u1ec3n m\u00f4 h\u00ecnh “s\u1ea3n xu\u1ea5t g\u1ea1ch nh\u1eb9 t\u1eeb v\u1eadt li\u1ec7u th\u1ea3i”.<\/strong><\/h2>\n\n\n\n

Theo Nguy\u1ec5n L\u00ea Nguy\u00ean Ph\u01b0\u01a1ng, th\u00e0nh vi\u00ean nh\u00f3m nghi\u00ean c\u1ee9u, quy tr\u00ecnh s\u1ea3n xu\u1ea5t g\u1ea1ch nh\u1eb9 c\u1ee7a nh\u00f3m trong ph\u00f2ng th\u00ed nghi\u1ec7m g\u1ed3m 3 c\u00f4ng \u0111o\u1ea1n ch\u00ednh: R\u1eeda, c\u1eaft h\u1ed9p, ly nh\u1ef1a v\u00e0 nghi\u1ec1n nh\u1ecf theo d\u1ea1ng h\u1ea1t; Cho xi-m\u0103ng v\u00e0 n\u01b0\u1edbc v\u00e0o c\u00f9ng v\u1edbi h\u1ea1t PS v\u00e0 tr\u1ed9n \u0111\u1ec1u h\u1ed7n h\u1ee3p; \u0110\u1ed5 h\u1ed7n h\u1ee3p v\u00e0o khu\u00f4n v\u00e0 ph\u01a1i kh\u00f4 ho\u1eb7c s\u1ea5y trong v\u00f2ng 24 gi\u1edd. Quan tr\u1ecdng l\u00e0 t\u00ecm ra \u0111\u00fang t\u1ef7 l\u1ec7 h\u1ea1t nh\u1ef1a v\u00e0 xim\u0103ng khi tr\u1ed9n v\u00e0o h\u1ed7n h\u1ee3p. Nh\u00f3m \u0111\u00e3 th\u1eed nghi\u1ec7m v\u00e0 th\u1ea5t b\u1ea1i h\u01a1n 30 l\u1ea7n trong nhi\u1ec1u th\u00e1ng. Kh\u00f4ng \u0111\u00fang t\u1ef7 l\u1ec7, g\u1ea1ch s\u1ebd kh\u00f4ng th\u1ec3 \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng, d\u1ec5 v\u1ee1. Qua nhi\u1ec1u l\u1ea7n th\u1ef1c hi\u1ec7n, nh\u00f3m \u0111\u00e3 t\u00ecm ra c\u00f4ng th\u1ee9c t\u1ed1i \u01b0u. M\u1ed9t vi\u00ean g\u1ea1ch th\u00e0nh ph\u1ea9m c\u00f3 th\u1ec3 t\u1ea1o ra t\u1eeb 500g nh\u1ef1a PS, chi\u1ebfm kho\u1ea3ng 50% kh\u1ed1i l\u01b0\u1ee3ng g\u1ea1ch, \u0111\u1ed3ng ngh\u0129a gi\u1ea3m t\u1eebng \u1ea5y nh\u1ef1a cho m\u00f4i tr\u01b0\u1eddng<\/a>. G\u1ea1ch \u0111\u1ea1t ti\u00eau chu\u1ea9n m\u00e1c b\u00eat\u00f4ng M50 c\u1ee7a Vi\u1ec7t Nam (TCVN 1450:2009), kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t 90%, kh\u00f4ng b\u1eaft ch\u00e1y \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng v\u00e0 kh\u1ea3 n\u0103ng c\u00e1ch \u00e2m kho\u1ea3ng 60 – 70%.<\/p>\n\n\n\n

T\u00f9y v\u00e0o t\u1eebng \u1ee9ng d\u1ee5ng, g\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh nh\u1eefng d\u1ea1ng kh\u00e1c nhau nh\u01b0 vu\u00f4ng, tr\u00f2n, l\u1ee5c gi\u00e1c. T\u1ef7 l\u1ec7 nh\u1ef1a tr\u1ed9n trong g\u1ea1ch c\u0169ng thay \u0111\u1ed5i t\u01b0\u01a1ng \u1ee9ng. G\u1ea1ch c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 nh\u1eb9, gi\u00e1 r\u1ebb, \u0111\u1ed9 b\u1ec1n cao, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf \u0111\u01b0\u1ee3c. D\u1ef1 \u00e1n Octoplastic \u0111\u01b0\u1ee3c nhi\u1ec1u chuy\u00ean gia \u0111\u00e1nh gi\u00e1 t\u00edch c\u1ef1c v\u1ec1 t\u00ednh th\u1ef1c ti\u1ec5n v\u00e0 kh\u1ea3 n\u0103ng nh\u00e2n r\u1ed9ng. D\u1ef1 \u00e1n c\u0169ng v\u1eeba gi\u00e0nh \u0111\u01b0\u1ee3c gi\u1ea3i nh\u00ec cu\u1ed9c thi “T\u00ecm ki\u1ebfm \u00fd t\u01b0\u1edfng s\u00e1ng t\u1ea1o<\/a> v\u00ec m\u1ed9t \u0111\u1ea1i d\u01b0\u01a1ng kh\u00f4ng nh\u1ef1a” do UNESCO t\u1ed5 ch\u1ee9c.<\/p>\n\n\n\n

PGS.TS L\u00ea Th\u1ecb Kim Ph\u1ee5ng, Khoa K\u1ef9 thu\u1eadt h\u00f3a h\u1ecdc, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa (\u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia TPHCM), gi\u1ea3ng vi\u00ean h\u01b0\u1edbng d\u1eabn nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft, d\u1ef1 \u00e1n kh\u00f4ng \u0111\u01a1n thu\u1ea7n t\u00e1i ch\u1ebf nh\u1ef1a m\u00e0 c\u00f2n c\u1ea3 tro bay, b\u00f9n th\u1ea3i. Trong ph\u00f2ng th\u00ed nghi\u1ec7m, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 k\u1ebft h\u1ee3p nh\u1ef1a v\u1edbi tro bay ho\u1eb7c b\u00f9n th\u1ea3i thay cho xim\u0103ng, t\u1ea1o th\u00e0nh m\u1ed9t h\u1ed7n h\u1ee3p ch\u1ea5t k\u1ebft d\u00ednh hi\u1ec7u qu\u1ea3. Ngo\u00e0i s\u1ea3n ph\u1ea9m g\u1ea1ch nh\u1eb9, nh\u00f3m nghi\u00ean c\u1ee9u c\u0169ng \u0111ang x\u00e2y d\u1ef1ng c\u00e1c t\u1ea5m c\u00e1ch nhi\u1ec7t, c\u00e1ch \u00e2m t\u1eeb r\u00e1c th\u1ea3i nh\u1ef1a cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c. <\/p>\n\n\n\n

Theo PGS.TS L\u00ea Anh Th\u1eafng, gi\u1ea3ng vi\u00ean Khoa X\u00e2y d\u1ef1ng, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc S\u01b0 ph\u1ea1m K\u1ef9 thu\u1eadt TPHCM, tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3 kh\u00e1 l\u00e2u, \u0111\u1ebfn v\u00e0i ch\u1ee5c n\u0103m. M\u1ed9t \u01b0u \u0111i\u1ec3m kh\u00e1c khi s\u1ea3n ph\u1ea9m xu\u1ed1ng c\u1ea5p th\u00ec ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf. N\u1ebfu nh\u01b0 l\u00e0m t\u1ed1t b\u00e0i to\u00e1n s\u1ea3n xu\u1ea5t th\u00ec gi\u00e1 th\u00e0nh ch\u1eafc ch\u1eafn s\u1ebd r\u1ebb h\u01a1n so v\u1edbi g\u1ea1ch, ng\u00f3i hi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng. <\/p>\n\n\n\n

Hi\u1ec7n nh\u00f3m c\u0169ng \u0111\u00e3 th\u1ef1c hi\u1ec7n kh\u1ea3o s\u00e1t t\u1ea1i H\u00e0 N\u1ed9i v\u1ec1 ti\u1ec1m n\u0103ng s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m. \u0110\u1eb7c bi\u1ec7t, v\u1edbi quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01a1n gi\u1ea3n, nhi\u1ec1u h\u1ed9 gia \u0111\u00ecnh c\u0169ng c\u00f3 th\u1ec3 t\u1ef1 l\u00e0m g\u1ea1ch nh\u1eb9 \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng tr\u00ecnh nh\u1ecf m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p. Nh\u00f3m s\u1eb5n s\u00e0ng h\u01b0\u1edbng d\u1eabn c\u00e1ch l\u00e0m c\u1ee5 th\u1ec3, cung c\u1ea5p c\u00f4ng th\u1ee9c ph\u1ed1i tr\u1ed9n ch\u00ednh x\u00e1c cho t\u1eebng m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng g\u1ea1ch trong x\u00e2y d\u1ef1ng.\u00a0<\/p>\n\n\n\n

H\u00c0 B\u00ccNH<\/strong><\/p>\n\n\n\n

https:\/\/khoahocdoisong.vn\/gach-tu-nhua-cach-am-khong-chay-160381.html<\/a><\/p>\n\n\n\n

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

Octoplastic l\u00e0 d\u1ef1 \u00e1n c\u1ee7a nh\u00f3m sinh vi\u00ean Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc B\u00e1ch khoa (\u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia TPHCM) ph\u00e1t tri\u1ec3n m\u00f4 h\u00ecnh “s\u1ea3n xu\u1ea5t g\u1ea1ch nh\u1eb9 t\u1eeb v\u1eadt li\u1ec7u th\u1ea3i”. Theo Nguy\u1ec5n L\u00ea Nguy\u00ean Ph\u01b0\u01a1ng, th\u00e0nh vi\u00ean nh\u00f3m nghi\u00ean c\u1ee9u, quy tr\u00ecnh s\u1ea3n xu\u1ea5t g\u1ea1ch nh\u1eb9 c\u1ee7a nh\u00f3m trong ph\u00f2ng th\u00ed nghi\u1ec7m g\u1ed3m 3 c\u00f4ng […]<\/p>\n","protected":false},"author":23,"featured_media":26519,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26518"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26518\/revisions"}],"predecessor-version":[{"id":30885,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26518\/revisions\/30885"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26519"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}