{"id":41369,"date":"2020-03-13T08:00:03","date_gmt":"2020-03-12T23:00:03","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=41369"},"modified":"2026-05-17T06:48:00","modified_gmt":"2026-05-16T21:48:00","slug":"gian-no-nhiet-sat-be-tong-polyethylene","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/thermal-expansion-iron-concrete-polyethylene\/","title":{"rendered":"Chuy\u1ec7n v\u1ec1 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a s\u1eaft, b\u00ea t\u00f4ng v\u00e0 polyethylene"},"content":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n

\u0110\u00e2y l\u00e0 Enta.<\/p>\n

Tr\u01b0\u1edbc \u0111\u00e2y, c\u00f3 l\u00fd do g\u00ec khi s\u1eed d\u1ee5ng mi\u1ebfng \u0111\u1ec7m b\u1eb1ng s\u1eaft (mi\u1ebfng \u0111\u1ec7m PC) kh\u00f4ng?<\/p>\n

V\u00ec v\u1eady, t\u00f4i \u0111\u00e3 so\u1ea1n th\u1ea3o t\u00e0i li\u1ec7u n\u00e0y.<\/p>\n

L\u00fd do t\u1ea1i sao l\u1ea1i l\u00e0m b\u1eb1ng s\u1eaft.<\/p>\n

 <\/p>\n

\u201cDo h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t kh\u00e1c nhau n\u00ean \u00edt b\u1ecb n\u1ee9t h\u01a1n \u0111\u1ea5y.\u201d<\/p>\n

Th\u1ef1c ra t\u00f4i ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 l\u1eadp b\u1ea3ng t\u1ed5ng h\u1ee3p nh\u1eefng \u0111i\u1ec1u \u0111\u00f3 th\u00f4i, nh\u01b0ng c\u01a1 quan h\u00e0nh ch\u00ednh d\u01b0\u1eddng nh\u01b0 \u0111\u00e3 hi\u1ec3u r\u1ea5t r\u00f5.<\/p>\n

\"H\u1ec7<\/p>\n

T\u00f4i c\u0169ng \u0111\u00ednh k\u00e8m b\u1ea3ng n\u00e0y \u0111\u00e2y, s\u1ef1 ch\u00eanh l\u1ec7ch gi\u1eefa s\u1eaft v\u00e0 polyethylene kh\u00e1 l\u1edbn ph\u1ea3i kh\u00f4ng?<\/p>\n

\u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao b\u1ec1 m\u1eb7t v\u1eefa l\u1ea1i xu\u1ea5t hi\u1ec7n nh\u1eefng v\u1ebft n\u1ee9t to\u00e1c.<\/p>\n

 <\/p>\n

Th\u1ef1c ra, c\u00f3 l\u1ebd b\u1ea1n s\u1ebd ngh\u0129 r\u1eb1ng v\u1eefa kh\u00f4ng th\u1ec3 n\u00e0o thua polyethylene \u0111\u01b0\u1ee3c, nh\u01b0ng \u0111\u00e2y l\u1ea1i l\u00e0 lo\u1ea1i v\u1eefa th\u1eadm ch\u00ed c\u00f2n thua c\u1ea3 r\u1ec5 c\u00e2y.<\/p>\n

L\u00e0m sao m\u00e0 c\u00f3 th\u1ec3 th\u1eafng \u0111\u01b0\u1ee3c polyethylene \u0111\u01b0\u1ee3c ch\u1ee9 (c\u01b0\u1eddi) (\u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00ec l\u1edbp v\u1eefa phun r\u1ea5t m\u1ecfng)<\/p>\n

\u00c0, v\u00ec theo th\u1eddi gian, n\u00f3 lu\u00f4n ph\u1ea3i ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u1eafng n\u00f3ng v\u00e0 gi\u00e1 l\u1ea1nh m\u00e0.<\/p>\n

\"Mi\u1ebfng<\/p>\n

V\u1eady t\u1ea1i sao th\u00e9p l\u1ea1i kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec? \u0110\u00f3 l\u00e0 v\u00ec h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a n\u00f3 g\u1ea7n nh\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi b\u00ea t\u00f4ng.<\/p>\n

V\u00ec v\u1eady, t\u00f4i ho\u00e0n to\u00e0n hi\u1ec3u t\u1ea1i sao l\u01b0\u1edbi Ras c\u0169ng r\u1ea5t ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n\n\n\n\n
T\u00ean s\u1ea3n ph\u1ea9m<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\n\u0110\u1ed9 b\u1ec1n k\u00e9o<\/span><\/td>\nT\u00ean s\u1ea3n ph\u1ea9m<\/span><\/td>\n\u0110\u01a1n v\u1ecb<\/span><\/td>\nH\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/span><\/td>\nGhi ch\u00fa<\/span><\/td>\n<\/tr>\n
Polyetylen<\/td>\nkgf\u30fbmm\u00b2<\/td>\n0,42\u20131,61<\/td>\nPolyetylen<\/td>\n\u00d710-6<\/sup>\/K<\/td>\n180.0<\/span><\/strong><\/span><\/td>\nPE m\u1eadt \u0111\u1ed9 cao<\/td>\n<\/tr>\n
\u9244<\/td>\nkgf\u30fbmm\u00b2<\/td>\n35\u201350<\/td>\n\u9244<\/td>\n\u00d710-6<\/sup>\/K<\/td>\n11.7<\/span><\/strong><\/span><\/td>\n<\/td>\n<\/tr>\n
Mi\u1ebfng \u0111\u1ec7m cho m\u00e1y t\u00ednh<\/td>\nkgf\u30fbmm\u00b2<\/td>\n284\u2013304<\/td>\nMi\u1ebfng \u0111\u1ec7m cho m\u00e1y t\u00ednh<\/td>\n\u00d710-6<\/sup>\/K<\/td>\n11.7<\/span><\/strong><\/span><\/td>\n\u0110\u1ed9 b\u1ec1n k\u00e9o: Tham kh\u1ea3o ti\u00eau chu\u1ea9n JIS G3522<\/td>\n<\/tr>\n
B\u00ea t\u00f4ng<\/td>\nkgf\u30fbmm\u00b2<\/td>\nC\u01b0\u1eddng \u0111\u1ed9 x\u1ea3y ra 1\/10<\/td>\nB\u00ea t\u00f4ng<\/td>\n\u00d710-6<\/sup>\/K<\/td>\n11.7<\/span><\/strong><\/span><\/td>\nH\u1ec7 s\u1ed1 gi\u00e3n n\u1edf g\u1ea7n nh\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi s\u1eaft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

N\u1ebfu tr\u00ecnh b\u00e0y d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng th\u00ec s\u1ebd nh\u01b0 th\u1ebf n\u00e0y.<\/p>\n

C\u00f3 th\u1ec3 th\u1ea5y r\u00f5 r\u1eb1ng mi\u1ebfng \u0111\u1ec7m polyethylene \u0111ang gi\u00e3n n\u1edf do nhi\u1ec7t trong v\u1eefa.<\/p>\n

Vi\u1ec7c v\u1eefa c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o th\u1ea5p l\u00e0 m\u1ed9t s\u1ef1 th\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn.<\/p>\n

V\u1ebft n\u1ee9t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng mi\u1ebfng \u0111\u1ec7m b\u1eb1ng polyethylene b\u1ecb n\u1ee9t \u201cb\u1ee5p\u201d m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng do b\u1ecb l\u1ef1c \u0111\u1ea9y t\u1eeb b\u00ean trong khi n\u00f3 gi\u00e3n n\u1edf trong v\u1eefa.<\/p>\n

H\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 c\u00f4ng tr\u00ecnh n\u00e0o s\u1eed d\u1ee5ng mi\u1ebfng \u0111\u1ec7m b\u1eb1ng polyethylene cho c\u00e1c c\u1ea5u tr\u00fac quan tr\u1ecdng nh\u01b0 khung ch\u00ednh.<\/p>\n

\u0110\u1eb7c bi\u1ec7t l\u00e0 \u1edf nh\u1eefng n\u01a1i d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9.<\/p>\n

 <\/p>\n

N\u1ebfu nh\u00ecn t\u1eeb g\u00f3c \u0111\u1ed9 s\u1ed1 li\u1ec7u th\u00ec s\u1ebd th\u1ea5y r\u00f5 \u0111i\u1ec1u \u0111\u00f3.<\/p>\n

D\u00f9 n\u00f3i v\u1eady, nh\u01b0ng l\u00fd do ch\u00ednh khi\u1ebfn t\u00f4i s\u1eed d\u1ee5ng mi\u1ebfng \u0111\u1ec7m b\u1eb1ng th\u00e9p l\u1ea1i l\u00e0 m\u1ed9t l\u00fd do kh\u00e1c.<\/p>\n

D\u00f9 c\u00f2n th\u1eeba \u1edf hi\u1ec7n tr\u01b0\u1eddng th\u00ec v\u1eabn b\u00e1n \u0111\u01b0\u1ee3c! w<\/span><\/strong><\/span><\/p>\n

\u0110\u00e2y r\u1ed3i!<\/p>\n

D\u00f9 mang v\u1ec1 nh\u00e0 nh\u1eefng th\u1ee9 th\u1eeba t\u1eeb c\u00f4ng tr\u01b0\u1eddng, n\u1ebfu mang \u0111\u1ebfn ti\u1ec7m ph\u1ebf li\u1ec7u th\u00ec v\u1eabn c\u00f3 th\u1ec3 b\u00e1n \u0111\u01b0\u1ee3c, d\u00f9 s\u1ed1 ti\u1ec1n thu \u0111\u01b0\u1ee3c ch\u1ec9 l\u00e0 m\u1ed9t kho\u1ea3n r\u1ea5t nh\u1ecf. (Th\u1ef1c t\u1ebf l\u00e0 s\u1ebd \u0111\u01b0\u1ee3c b\u00e1n c\u00f9ng v\u1edbi c\u00e1c lo\u1ea1i ph\u1ebf li\u1ec7u s\u1eaft kh\u00e1c.)<\/p>\n

N\u1ebfu kh\u00f4ng tr\u1ea3 ti\u1ec1n th\u00ec h\u1ecd s\u1ebd kh\u00f4ng thu gom r\u00e1c nh\u1ef1a.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y th\u1eadt l\u1edbn!<\/p>\n

Th\u1eeba \u1edf c\u00f4ng tr\u01b0\u1eddng n\u00ean mang v\u1ec1Nh\u1eefng th\u1ee9 c\u00f3 th\u1ec3 \u0111\u1ed5i l\u1ea5y ti\u1ec1n<\/span><\/strong><\/span>V\u00e0,Nh\u1eefng th\u1ee9 kh\u00f4ng ph\u1ea3i nh\u01b0 v\u1eady.<\/span><\/strong><\/span><\/p>\n

V\u00e0 g\u1ea7n \u0111\u00e2y c\u00f2n c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 vi nh\u1ef1a n\u1eefa.<\/p>\n

 <\/p>\n

Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a vi\u1ec7c phun v\u1eefa l\u00ean m\u1eb7t d\u1ed1c c\u0169ng r\u1ea5t quan tr\u1ecdng, nh\u01b0ng,<\/p>\n

Chi ph\u00ed v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u0169ng r\u1ea5t quan tr\u1ecdng!<\/span><\/strong><\/span><\/p>\n

T\u00f4i mu\u1ed1n t\u1eadn d\u1ee5ng t\u1eebng kho\u1ea3n chi ph\u00ed nh\u1ecf nh\u1ea5t!<\/p>\n

 <\/p>\n

H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>\n

Ch\u00fang t\u00f4i s\u1ebd \u0111\u0103ng c\u00e1c t\u00e0i li\u1ec7u l\u00ean trang web c\u1ee7a c\u00f4ng ty \u0111\u1ec3 qu\u00fd v\u1ecb c\u00f3 th\u1ec3 t\u1ea3i xu\u1ed1ng.<\/p>\n

T\u1ea3i xu\u1ed1ng<\/a><\/p>\n

Kh\u1ea3 n\u0103ng ch\u1ecbu th\u1eddi ti\u1ebft c\u1ee7a polyethylene v\u00e0 mu\u1ed9i than | S\u1ef1 th\u1eadt v\u1ec1 \u0111\u1ed9 b\u1ec1n 100 n\u0103m<\/a><\/p><\/blockquote>\n