{"id":9057,"date":"2021-11-21T15:45:34","date_gmt":"2021-11-21T08:45:34","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=9057"},"modified":"2021-11-21T17:15:28","modified_gmt":"2021-11-21T10:15:28","slug":"tai-sao-pha-nha-bang-boc-pha-duoc-dieu-khien-vua-nhanh-vua-an-toan","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-pha-nha-bang-boc-pha-duoc-dieu-khien-vua-nhanh-vua-an-toan\/","title":{"rendered":"T\u1ea1i sao ph\u00e1 nh\u00e0 b\u1eb1ng b\u1ed9c ph\u00e1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n v\u1eeba nhanh v\u1eeba an to\u00e0n?"},"content":{"rendered":"\n<p>N\u0103m 1995, th\u00e0nh ph\u1ed1 Th\u01b0\u1ee3ng H\u1ea3i do nhu c\u1ea7u x\u00e2y d\u1ef1ng \u1edf tr\u00ean cao, n\u00ean ph\u1ea3i th\u00e1o d\u1ee1 m\u1ed9t th\u01b0 vi\u1ec7n c\u1ee1 l\u1edbn cao m\u1ea5y ch\u1ee5c m\u00e9t, ng\u01b0\u1eddi ta ti\u1ebfn h\u00e0nh cho n\u1ed5 b\u1ed9c ph\u00e1 t\u1eeb l\u00fac r\u1ea1ng \u0111\u00f4ng, ch\u1ec9 trong m\u1ea5y gi\u00e2y, to\u00e0 nh\u00e0 to l\u1edbn t\u1eeb t\u1eeb s\u1eadp xu\u1ed1ng, tr\u1edf th\u00e0nh m\u1ed9t \u0111\u1ed1ng hoang t\u00e0n. Th\u1ebf m\u00e0, khu nh\u00e0 \u1edf c\u1ee7a d\u00e2n c\u00e1ch \u0111\u1ea5y ch\u01b0a \u0111\u1ea7y 10 m, ngay c\u1ea3 c\u00e1c t\u1ea5m k\u00ednh c\u1ee7a s\u1ed5 c\u0169ng kh\u00f4ng b\u1ecb rung chuy\u1ec3n v\u00e0 n\u1ee9t v\u1ee1.<\/p>\n\n\n\n<p>Khi d\u00e2n c\u01b0 \u1edf v\u00f9ng ph\u1ee5 c\u1eadn t\u1eeb trong gi\u1ea5c m\u1ed9ng t\u1ec9nh d\u1eady \u0111i ra kh\u1ecfi nh\u00e0 \u0111\u1ec1u ph\u00e1t hi\u1ec7n m\u1ed9t ki\u1ebfn tr\u00fac quen thu\u1ed9c b\u1ed7ng bi\u1ebfn m\u1ea5t m\u1ed9t c\u00e1ch &#8220;l\u1eb7ng l\u1ebd&#8221;.<\/p>\n\n\n\n<p>Ho\u00e1 ra, c\u00f4ng tr\u00ecnh b\u1ecb ph\u00e1 b\u1ecf l\u1ea7n n\u00e0y \u0111\u00e3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ti\u00ean ti\u1ebfn l\u00e0 cho n\u1ed5 b\u1eb1ng b\u1ed9c ph\u00e1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n. \u1ede trong th\u00e0nh ph\u1ed1 l\u1edbn, nh\u00e0 cao d\u00e0y \u0111\u1eb7c nh\u01b0 r\u1eebng, c\u01b0 d\u00e2n \u0111\u00f4ng \u0111\u00fac, mu\u1ed1n th\u00e1o d\u1ee1 m\u1ed9t ki\u1ebfn tr\u00fac l\u1edbn c\u0169, \u0111\u00e3 t\u1eebng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 h\u1ebft s\u1ee9c gai g\u00f3c. N\u1ebfu d\u00f9ng nh\u00e2n c\u00f4ng th\u00e1o d\u1ee1 t\u1eebng t\u00ed m\u1ed9t, th\u00ec th\u1eddi gian d\u00e0i, hi\u1ec7u su\u1ea5t th\u1ea5p, nh\u01b0ng d\u00f9ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p cho n\u1ed5 b\u1ed9c ph\u00e1 th\u00f4ng th\u01b0\u1eddng, c\u1ea3 m\u1ed9t di\u1ec7n t\u00edch l\u1edbn s\u1ee5p \u0111\u1ed5 xu\u1ed1ng, g\u1ea1ch \u0111\u00e1 bay t\u1ee9 tung, th\u00ec s\u1ebd mang l\u1ea1i v\u1ea5n \u0111\u1ec1 an to\u00e0n r\u1ea5t l\u1edbn cho d\u00e2n c\u01b0 \u1edf chung quanh to\u00e0 nh\u00e0. C\u00f2n n\u1ebfu d\u00f9ng b\u1ed9c ph\u00e1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n th\u00ec l\u1ea1i c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft m\u00e2u thu\u1eabn \u0111\u00f3 m\u1ed9t c\u00e1ch thu\u1eadn l\u1ee3i.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi cho n\u1ed5 b\u1ed9c ph\u00e1 ng\u01b0\u1eddi ta \u0111\u1eb7t thu\u1ed1c n\u1ed5 \u1edf m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed then ch\u1ed1t c\u1ee7a to\u00e0 nh\u00e0, hi\u1ec7n nay th\u01b0\u1eddng d\u00f9ng lo\u1ea1i thu\u1ed1c n\u1ed5 b\u1eb1ng thu\u1ed1c nh\u00f4m n\u00f3ng. C\u00e1c l\u1ed7 ch\u00f4n thu\u1ed1c n\u1ed5, v\u1ecb tr\u00ed c\u1ee7a ch\u00fang, \u0111\u1ed9 l\u1edbn v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u1ed7 \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">thi\u1ebft k\u1ebf<\/a> t\u1ec9 m\u1ec9, ch\u00ednh x\u00e1c. Sau khi ch\u00f4n xong thu\u1ed1c n\u1ed5, \u0111\u1ea5u d\u00f2ng \u0111i\u1ec7n v\u00e0o d\u00e2y ng\u00f2i n\u1ed5, th\u00ec h\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 thu\u1ed1c n\u1ed5 \u1edf c\u00e1c v\u1ecb tr\u00ed \u0111\u1ec1u \u0111\u1ed3ng th\u1eddi n\u1ed5 tung l\u00ean. Khi n\u1ed5, thu\u1ed1c nh\u00f4m n\u00f3ng x\u1ea3y ra ph\u1ea3n \u1ee9ng m\u1ea1nh m\u1ebd, trong ph\u00fat ch\u1ed1c to\u1ea3 ra n\u0103ng l\u01b0\u1ee3ng r\u1ea5t l\u1edbn, c\u00f3 th\u1ec3 khi\u1ebfn cho nhi\u1ec7t \u0111\u1ed9 c\u1ee5c b\u1ed9 t\u0103ng l\u00ean \u0111\u1ed9t ng\u1ed9t \u0111\u1ebfn 2000\u00b0C tr\u1edf l\u00ean, \u0111\u1ed3ng th\u1eddi s\u1ea3n sinh ra \u00e1p l\u1ef1c l\u1edbn \u0111\u1ebfn h\u00e0ng ch\u1ee5c t\u1ec9 bar, l\u00e0m cho c\u00e1c c\u1ed1t th\u00e9p, g\u1ea1ch \u0111\u00e1 v.v. b\u1ecb n\u00f3ng ch\u1ea3y v\u00e0 ph\u00e1 v\u1ee1 nhanh ch\u00f3ng. \u0110\u1ed3ng th\u1eddi ph\u01b0\u01a1ng ph\u00e1p n\u1ed5 b\u1ed9c ph\u00e1 n\u00e0y kh\u00f4ng s\u1ea3n sinh ra s\u00f3ng xung k\u00edch m\u1ea1nh, do v\u1eady, c\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng b\u1ecb n\u1ee9t v\u1ee1 kh\u00f4ng th\u1ec3 bay \u0111i r\u1ea5t xa, to\u00e0n b\u1ed9 ng\u00f4i nh\u00e0 th\u01b0\u1eddng b\u1ecb s\u1ee5p xu\u1ed1ng m\u1ed9t c\u00e1ch im l\u1eb7ng, l\u1eb7ng l\u1ebd.<\/p>\n\n\n\n<p>Th\u00f4ng th\u01b0\u1eddng, c\u00e1c thu\u1ed1c n\u1ed5 ch\u00f4n \u1edf trung t\u00e2m ng\u00f4i nh\u00e0 cho n\u1ed5 tr\u01b0\u1edbc m\u1ed9t ch\u00fat so v\u1edbi thu\u1ed1c n\u1ed5 \u1edf chung quanh, nh\u01b0 v\u1eady c\u00f3 th\u1ec3 l\u00e0m cho ph\u1ea7n gi\u1eefa ng\u00f4i nh\u00e0 s\u1ee5p \u0111\u1ed5 tr\u01b0\u1edbc c\u00f2n c\u00e1c b\u1ed9 ph\u1eadn chung quanh th\u00ec s\u1ee5p \u0111\u1ed5 v\u00e0o ph\u00eda trong, do \u0111\u00f3 l\u00e0m gi\u1ea3m \u1ea3nh h\u01b0\u1edfng \u0111\u1ed1i v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac chung quanh khi ng\u00f4i nh\u00e0 b\u1ecb s\u1ee5p. C\u00f3 tr\u01b0\u1eddng h\u1ee3p, \u0111\u1ec3 cho v\u1eadt ki\u1ebfn tr\u00fac \u0111\u1ed5 v\u1ec1 m\u1ed9t ph\u00eda \u0111\u01b0\u1ee3c \u0111\u1ecbnh tr\u01b0\u1edbc \u1edf chung quanh, c\u00f2n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt cho n\u1ed5 k\u00e9o d\u00e0i th\u1eddi gian, ng\u01b0\u1eddi ta kh\u1ed1ng ch\u1ebf s\u1ef1 sai kh\u00e1c v\u1ec1 th\u1eddi gian n\u1ed5 \u1edf c\u00e1c \u0111i\u1ec3m \u0111\u1eb7t ch\u1ea5t n\u1ed5 v\u00e0i mili gi\u00e2y, khi\u1ebfn cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ee5c b\u1ed9 c\u1ee7a v\u1eadt ki\u1ebfn tr\u00fac s\u1ee5p \u0111\u1ed5 l\u1ea7n l\u01b0\u1ee3t, do \u0111\u00f3 kh\u1ed1ng ch\u1ebf \u0111\u01b0\u1ee3c chi\u1ec1u \u0111\u1ed5 nghi\u00eang c\u1ee7a n\u00f3.<\/p>\n\n\n\n<p>\u0110i \u0111\u00f4i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng v\u1ec1 x\u00e2y d\u1ef1ng th\u00e0nh ph\u1ed1 v\u00e0 m\u1eadt \u0111\u1ed9 ki\u1ebfn tr\u00fac ng\u00e0y c\u00e0ng d\u00e0y \u0111\u1eb7c, k\u1ef9 thu\u1eadt cho n\u1ed5 b\u1ed9c ph\u00e1 \u0111i\u1ec1u khi\u1ec3n s\u1ebd ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n\n\n\n<p>T\u1eeb kh\u00f3a: B\u1ed9c ph\u00e1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n; Ph\u00e1 d\u1ee1 c\u00f4ng tr\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u0103m 1995, th\u00e0nh ph\u1ed1 Th\u01b0\u1ee3ng H\u1ea3i do nhu c\u1ea7u x\u00e2y d\u1ef1ng \u1edf tr\u00ean cao, n\u00ean ph\u1ea3i th\u00e1o d\u1ee1 m\u1ed9t th\u01b0 vi\u1ec7n c\u1ee1 l\u1edbn cao m\u1ea5y ch\u1ee5c m\u00e9t, ng\u01b0\u1eddi ta ti\u1ebfn h\u00e0nh cho n\u1ed5 b\u1ed9c ph\u00e1 t\u1eeb l\u00fac r\u1ea1ng \u0111\u00f4ng, ch\u1ec9 trong m\u1ea5y gi\u00e2y, to\u00e0 nh\u00e0 to l\u1edbn t\u1eeb t\u1eeb s\u1eadp xu\u1ed1ng, tr\u1edf th\u00e0nh m\u1ed9t \u0111\u1ed1ng [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-9057","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9057"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9057\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}