Trong quy chu\u1ea9n m\u1edbi nh\u1ea5t theo ngh\u1ecb \u0111\u1ecbnh 136 v\u1ec1 lu\u1eadt ph\u00f2ng ch\u00e1y v\u00e0 ch\u1eefa ch\u00e1y; quy chu\u1ea9n QCVN 06:2020\/BXD \u2013 Quy chu\u1ea9n k\u1ef9 thu\u1eadt qu\u1ed1c gia v\u1ec1 an to\u00e0n ch\u00e1y cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh; th\u00ec ti\u00eau chu\u1ea9n c\u1ee7a h\u1ec7 th\u1ed1ng \u1ed1ng gi\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong h\u1ec7 th\u1ed1ng PCCC m\u1edbi n\u00e0y c\u00f3 nh\u1eefng thay \u0111\u1ed5i cao h\u01a1n r\u1ea5t nhi\u1ec1u. Trong \u0111\u00f3 th\u00ec \u0111\u01b0\u1eddng \u1ed1ng gi\u00f3 v\u00e0 thi\u1ebft b\u1ecb h\u00fat ngo\u00e0i ngo\u00e0i vi\u1ec7c \u0111\u1ea3m b\u1ea3o ti\u00eau chu\u1ea9n TCVN 5687:2010. Ch\u00fang c\u00f2n ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u ch\u1ed1ng ch\u00e1y c\u00f3 gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda bao g\u1ed3m c\u00e1c gi\u1edbi h\u1ea1n EI kh\u00e1c nhau.<\/p>\n

Hay n\u00f3i \u0111\u01a1n gi\u1ea3n h\u01a1n th\u00ec \u1ed1ng gi\u00f3 ch\u1ed1ng ch\u00e1y EI l\u00e0 h\u1ec7 th\u1ed1ng \u1ed1ng gi\u00f3 c\u1ea7n \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c c\u00e1c gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda nh\u1ea5t \u0111\u1ecbnh nh\u01b0: EI 30; EI 45; EI 60; EI 90 v\u00e0 EI 120, \u2026T\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c m\u1ed1c gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda l\u00e0 30 \u2013 45 \u2013 60 \u2013 90 v\u00e0 120 ph\u00fat.<\/p>\n

K\u1ebft c\u1ea5u \u1ed1ng gi\u00f3 theo t\u1eebng gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda EI
\nK\u1ebft c\u1ea5u c\u1ee7a \u1ed1ng gi\u00f3
\nV\u1edbi m\u1ed7i gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda, \u1ed1ng gi\u00f3 s\u1ebd \u0111\u01b0\u1ee3c k\u1ebft c\u1ea5u theo t\u1eebng gi\u1edbi h\u1ea1n kh\u00e1c nhau. Ch\u00fang c\u1ea7n \u0111\u1ea3m b\u1ea3o n\u1eb1m trong khung gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh v\u00e0 ki\u1ec3m nghi\u1ec7m \u0111\u1ea1t \u2013 b\u1edfi c\u00e1c \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng c\u00f3 kh\u1ea3 n\u0103ng ki\u1ec3m duy\u1ec7t v\u00e0 ph\u00ea duy\u1ec7t. Trong \u0111\u00f3 c\u1ea7n ghi nh\u1eadn r\u00f5:<\/p>\n

+ Y\u00eau c\u1ea7u v\u1ec1 l\u1edbp trong c\u00f9ng<\/p>\n

+ Y\u00eau c\u1ea7u v\u1ec1 l\u1edbp ch\u1ed1ng ch\u00e1y<\/p>\n

+ Y\u00eau c\u1ea7u v\u1ec1 l\u1edbp ngo\u00e0i c\u00f9ng, \u0111\u1ec3 l\u00e0m sao c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1ec1 t\u00ednh to\u00e0n v\u1eb9n (E) v\u00e0 t\u00ednh c\u00e1ch nhi\u1ec7t (I) t\u1ed1i thi\u1ec3u c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c; \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 theo ti\u00eau chu\u1ea9n ISO 6944-1:2008.<\/p>\n

Trong \u0111\u00f3 v\u1ecb tr\u00ed s\u1eed d\u1ee5ng c\u1ee7a t\u1eebng gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c ch\u1ec9 r\u00f5 trong ph\u1ee5 l\u1ee5c D \u2013 C\u00e1c quy \u0111\u1ecbnh b\u1ea3o v\u1ec7 ch\u1ed1ng kh\u00f3i cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn t\u1eeb quy chu\u1ea9n QCVN 06:2020\/BXD. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n

Gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda theo t\u1eebng h\u1ea1n m\u1ee9c v\u00e0 v\u1ecb tr\u00ed s\u1eed d\u1ee5ng
\n+ EI 120: \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 k\u00eanh d\u1eabn kh\u00f3i n\u1eb1m b\u00ean ngo\u00e0i ph\u1ea1m vi c\u1ee7a khoang ch\u00e1y m\u00e0 h\u1ec7 th\u1ed1ng \u0111\u00f3 ph\u1ee5c v\u1ee5; khi \u0111\u00f3 t\u1ea1i c\u00e1c v\u1ecb tr\u00ed \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 k\u00eanh kh\u00f3i \u0111i xuy\u00ean qua t\u01b0\u1eddng, s\u00e0n ng\u0103n ch\u00e1y c\u1ee7a khoang ch\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp c\u00e1c van ng\u0103n ch\u00e1y lo\u1ea1i th\u01b0\u1eddng m\u1edf.<\/p>\n

+ EI 60: \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 k\u00eanh d\u1eabn kh\u00f3i n\u1eb1m trong ph\u1ea1m vi c\u1ee7a kho\u1ea3ng ch\u00e1y \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5; khi s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ea3i kh\u00f3i t\u1eeb c\u00e1c gara \u0111\u1ec3 xe d\u1ea1ng k\u00edn<\/p>\n

+ EI 45: \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 k\u00eanh d\u1eabn kh\u00f3i theo ph\u01b0\u01a1ng \u0111\u1ee9ng n\u1eb1m trong ph\u1ea1m vi c\u1ee7a khoang ch\u00e1y \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5; khi h\u00fat s\u1ea3n ph\u1ea9m ch\u00e1y tr\u1ef1c ti\u1ebfp t\u1ea1i khu v\u1ef1c ph\u1ee5c v\u1ee5 \u0111\u00f3<\/p>\n

+ EI 30: \u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c n\u1eb1m trong ph\u1ea1m vi khoang ch\u00e1y \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5.<\/p>\n

L\u01b0u \u00fd:
\n+ Kh\u00f4ng y\u00eau c\u1ea7u gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng n\u1eb1m trong k\u00eanh; ho\u1eb7c gi\u1ebfng k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1edfi c\u00e1c b\u1ed9 ph\u1eadn ng\u0103n ch\u00e1y c\u00f3 gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda t\u01b0\u01a1ng \u0111\u01b0\u01a1ng theo quy \u0111\u1ecbnh.<\/p>\n

+ Vi\u1ec7c b\u1ed1 tr\u00ed c\u00e1c qu\u1ea1t h\u00fat v\u1edbi gi\u1edbi h\u1ea1n ch\u1ecbu l\u1eeda ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5: 0,5h \u1edf 200 oC; 0,5h \u1edf 300 oC; 1h \u1edf 300 oC; 1h \u1edf 400 oC; 1h \u1edf 600 oC ho\u1eb7c 1,5h \u1edf 600 oC, \u2026); ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u0103n c\u1ee9 v\u00e0o nhi\u1ec7t \u0111\u1ed9 t\u00ednh to\u00e1n c\u1ee7a d\u00f2ng kh\u00ed chuy\u1ec3n d\u1ecbch; t\u01b0\u01a1ng \u1ee9ng v\u1edbi h\u1ea1ng c\u1ee7a gian ph\u00f2ng \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5.<\/p>\n

+ Kh\u00f3i v\u00e0 s\u1ea3n ph\u1ea9m ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c x\u1ea3 \u1edf b\u00ean ngo\u00e0i nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh theo m\u1ed9t trong hai ph\u01b0\u01a1ng \u00e1n sau:<\/p>\n

+> Qua c\u00e1c \u00f4 tho\u00e1ng, gi\u1ebfng th\u1ea3i n\u1eb1m tr\u00ean t\u01b0\u1eddng ngo\u00e0i kh\u00f4ng c\u00f3 \u00f4 c\u1eeda; ho\u1eb7c c\u00e1ch c\u00e1c \u00f4 c\u1eeda kh\u00f4ng nh\u1ecf h\u01a1n 5m theo c\u1ea3 ph\u01b0\u01a1ng ngang v\u00e0 ph\u01b0\u01a1ng \u0111\u1ee9ng v\u00e0 c\u00e1ch m\u1eb7t \u0111\u1ea5t h\u01a1n 2 m. Kho\u1ea3ng c\u00e1ch \u0111\u1ebfn \u00f4 c\u1eeda c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng; n\u1ebfu b\u1ea3o \u0111\u1ea3m v\u1eadn t\u1ed1c th\u1ea3i kh\u00f3i kh\u00f4ng nh\u1ecf h\u01a1n 20m\/s.<\/p>\n

+> Qua c\u00e1c gi\u1ebfng th\u1ea3i kh\u00f3i t\u00e1ch bi\u1ec7t n\u1eb1m tr\u00ean m\u1eb7t \u0111\u1ea5t \u1edf kho\u1ea3ng c\u00e1ch kh\u00f4ng nh\u1ecf h\u01a1n 15m; t\u00ednh \u0111\u1ebfn t\u01b0\u1eddng ngo\u00e0i c\u00f3 \u00f4 c\u1eeda v\u00e0 c\u00e1c mi\u1ec7ng h\u00fat c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, t\u0103ng \u00e1p c\u1ee7a nh\u00e0 \u0111\u00f3 c\u0169ng nh\u01b0 nh\u00e0 l\u00e2n c\u1eadn.<\/p>\n

+ Cho ph\u00e9p x\u1ea3 kh\u00f3i t\u1eeb c\u00e1c \u1ed1ng h\u00fat kh\u00f3i t\u1eeb t\u1ea7ng h\u1ea7m v\u00e0 t\u1ea7ng n\u1eeda h\u1ea7m qua c\u00e1c khoang \u0111\u01b0\u1ee3c th\u00f4ng gi\u00f3. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, mi\u1ec7ng x\u1ea3 kh\u00f3i ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00e1ch n\u1ec1n c\u1ee7a khoang th\u00f4ng gi\u00f3 \u00edt nh\u1ea5t l\u00e0 6m (c\u00e1ch k\u1ebft c\u1ea5u c\u1ee7a m\u1ed9t ng\u00f4i nh\u00e0 \u00edt nh\u1ea5t l\u00e0 3m theo chi\u1ec1u \u0111\u1ee9ng v\u00e0 1m theo chi\u1ec1u ngang); ho\u1eb7c \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb x\u1ea3 d\u1ea1ng \u01b0\u1edbt ph\u1ea3i c\u00e1ch m\u1eb7t s\u00e0n \u00edt nh\u1ea5t l\u00e0 3m. Kh\u00f4ng l\u1eafp c\u00e1c van kh\u00f3i tr\u00ean nh\u1eefng \u1ed1ng n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kh\u00e1c v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m \u1ed1ng gi\u00f3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3, \u0111i\u1ec1u ho\u00e0 th\u00f4ng th\u01b0\u1eddng. \u1ed0ng gi\u00f3 ch\u1ed1ng ch\u00e1y EI \u0111\u01b0\u1ee3c coi l\u00e0 h\u1ec7 th\u1ed1ng \u1ed1ng gi\u00f3 \u0111\u1eb7c bi\u1ec7t. S\u1ef1 \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong c\u1ea5u t\u1ea1o, ti\u00eau chu\u1ea9n v\u00e0 h\u1ec7 th\u1ed1ng \u1ee9ng d\u1ee5ng<\/p>\n","protected":false},"featured_media":1221,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[16],"product_tag":[],"class_list":["post-1220","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-ong-gio-ei"],"_links":{"self":[{"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/product\/1220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/comments?post=1220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/media\/1221"}],"wp:attachment":[{"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/media?parent=1220"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/product_cat?post=1220"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/onggiothanhan.vn\/wp-json\/wp\/v2\/product_tag?post=1220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}