1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 20392 KS M ISO 20392:2012 2012 3 21 http:/www.kats.go.krKS M ISO 20392:2012 : ( ) ( ) ()SK () ( ) : (http:/www.standard.go.kr) : :2012 3 21 2012-0119 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 20392:2012 i ii . iii 1 1 2 1 3 .1 4 3
2、 5 3 6 4 6.1 .4 6.2 4 6.3 5 6.4 5 7 5 7.1 5 7.2 5 7.3 6 7.4 8 8 8 9 8 10 .8 A( ) .10 B( ) 12 16 KS M ISO 20392:2012 ii ISO(International Organization for Standardization) (ISO ) . ISO . . ISO / . ISO IEC(International Electrotechnical Commission) . ISO/IEC Directives 2 . . . 75 % . . ISO . ISO 20392
3、 ISO/TC 61, , SC 10, . KS M ISO 20392:2012 iii 2007 1 ISO 20392, Thermal-insulating materials Determination of compressive creep . KS M ISO 20392:2012 Thermal-insulating materials Determination of compressive creep 1 . . 2 . . ( ) . KS M ISO 844, KS M ISO 1923, 3 . 3.1 3.1.1 d 3.1.2 ds 3.1.3 dL “ ”
4、3.1.4 d0 60 KS M ISO 20392:2012 2 3.1.5 dt t 3.2 c 3.3 X 3.4 X ds 3.5 Xct , Xct Xt X0 Xt : t X0 : ( 60 ) 1 . KS M ISO 20392:2012 3 X , t Y 1 “ ” ( 10 % ) 2 3 a dL . ds , dL (7.3 ). 1 4 , , . 5 5.1 , . . , 5 % . 5.2 (: ) ( ) 0.01 mm . 5.3 , (: ) KS M ISO 20392:2012 4 2 . 1 2 3 ( , ) 4 5 6 ( ) 2 6 6.1
5、 KS M ISO 844 , . , . 6.2 . . . . . , KS M ISO 20392:2012 5 . 50 mm 50 mm 100 mm 100 mm 150 mm 150 mm 200 mm 200 mm 300 mm 300 mm KS M ISO 1923 0.5 % . 0.5 % 0.5 mm . , . , , . 6.3 . , 7.2 3 . , . 6.4 24 . , ( ) . 7 7.1 . (232) (5010) % (235) 201050+% (275) 201065+% 7.2 KS M ISO 20392:2012 6 . c m K
6、S M ISO 844 10 % 10 , . c 0.15m c 0.20m c 0.25m c 0.30m c 0.35m c 0.1510 c 0.2010 c 0.2510 c 0.3010 c 0.3510 , c . 7.3 ds , KS M ISO 1923 0.1 mm . “ ” . dL . dL 0.01 mm . “ ” 10 % . ds , (25010) Pa 0.01 mm . . 250 Pa , 50 Pa . ds . (105) , X0 (605) 0.01 mm . Xt 0.01 mm . 0.1 , 1 , 5 , 1 , 2 , 4 , 7
7、, 9 , 11 , 14 , 18 , 24 , 32 , 42 , 53 , 65 , 80 90 100 . (hour) . 90 , ( ) . 1 3 . , . . Xt . KS M ISO 20392:2012 7 1 h 0 10:00 a.m. 0( ) 0 10:01 a.m. 0.017 0 11:00 a.m. 1.0 0 3:00 p.m. 5.0 1 10:00 a.m. 24 2 10:00 a.m. 48 4 2:00 p.m. 100 7 10:00 a.m. 168 9 10:00 a.m. 216 11 10:00 a.m. 254 14 10:00
8、a.m. 336 18 10:00 a.m. 432 24 10:00 a.m. 576 32 10:00 a.m. 768 42 10:00 a.m. 1 008 53 10:00 a.m. 1 272 65 10:00 a.m. 1 560 80 10:00 a.m. 1 920 100 10:00 a.m. 2 400 123 10:00 a.m. 2 952 156 10:00 a.m. 3 744 190 10:00 a.m. 4 560 231 10:00 a.m. 5 544 295 10:00 a.m. 7 080 365 10:00 a.m. 8 760 KS M ISO 2
9、0392:2012 8 90 (7.3 ) x 90 (7.4 ) t (h) 3 10 000 h ( ) 7.4 7.3 90 . ( ) , A . 8 t . 100=sttdX Xt: t (mm) ds: (mm) / ( ) / . A . 9 , . 10 . KS M ISO 20392:2012 9 a) b) 1) , 2) 3) 4) 5) 6) , c) 1) 2) 3) 6. 7. 4) 5) 6) ( ) 7) ( m KS M ISO 844 10 c) 8) d) 1) - / Xt t 2) A i) a, b r2ii) Findley m b iii)
10、/ Xct iv) - , . KS M ISO 20392:2012 10 A ( ) A.1 . . . . . . , . 5 . , 2 5 . , . 30 . 30 , . A.2 Findley 1 (A.1) , (A.2) r 2 0.9 . Xt X0 mtb (A.1) m b , . (A.1) . log(Xt X0) log m b logt (A.2) log m b . m b . A.3 A.3.1 ds dL, X0 Xt 7 (168 ) logt, Xct logXct . (A.2) - , 7 . KS M ISO 20392:2012 11 A.3
11、.2 . y a bx( ) (A.3) = nxXt/m (A.4) = nyYt/m (A.5) ()=nxxQttx22 (A.6) ()=nyyQtty22 (A.7) =nyxyxQttttxy (A.8) 2/22=nQQQsxxyyR (A.9) 2RRss = (A.10) yxxyQQQr /22= (A.11) 2rr = (A.12) xxyQQb /= (A.13) mmbxya = (A.14) n : xt: , logt yt: , log Xctxm: xt ym: yt Qx: x- Qy: y- Qxy: x- y- sR2: sR: r2: r : a :
12、 b : A.4 (A.13) b (A.1) m 10a , t . r2 0.9 , 30 ( B ). KS M ISO 20392:2012 12 B ( ) B.1 , . A . . xm 3.238 72 ym 0.868 83 Qx 7.770 76 Qy 0.271 4 Qxy 1.444 65 sR2 0.000 41 sR 0.020 20 r2 0.969 08 r 0.984 42 b 0.185 91 a 1.470 94 B.1 m 0.033 81 b 0.185 91 logXct logt . 10 ( 87 600 ) m b (A.1) . X 87 6
13、00 X0 0.033 8187 6000.185 91 0.50 mm (8. ) , 100=sttdX %0.11002.505.060087= B.2 t - . , 100 000 ( 11.4 ) . KS M ISO 20392:2012 13 B.1 No. 1 No. 2 No. 3 ds, mm 50.20 50.20 50.20 dL, mm 50.19 50.24 50.24 X0, mm 0.22 0.23 0.21 Xt t Xct t h logt No. 1 No. 2 No. 3 No. 1 No. 2 No. 3t % No. 1 No. 2 No. 3 X
14、ct mm logXct167 2.222 72 0.31 0.31 0.29 0.61 0.61 0.58 0.601 0.09 0.08 0.08 0.082 1.086 19215 2.332 44 0.31 0.31 0.30 0.61 0.63 0.59 0.608 0.09 0.08 0.09 0.085 1.068 88287 2.457 88 0.31 0.32 0.30 0.62 0.64 0.60 0.621 0.09 0.09 0.09 0.092 1.036 21357 2.552 67 0.32 0.33 0.31 0.64 0.65 0.62 0.637 0.10
15、0.10 0.10 0.100 1.000 00431 2.634 48 0.33 0.33 0.32 0.66 0.66 0.63 0.652 0.11 0.10 0.11 0.107 0.969 27527 2.721 81 0.33 0.34 0.32 0.66 0.67 0.64 0.657 0.11 0.11 0.11 0.110 0.958 61623 2.794 49 0.34 0.34 0.32 0.67 0.68 0.64 0.663 0.12 0.11 0.11 0.113 0.946 92719 2.856 73 0.34 0.35 0.33 0.68 0.69 0.66
16、 0.677 0.12 0.12 0.12 0.120 0.920 82863 2.936 01 0.34 0.35 0.32 0.67 0.70 0.64 0.672 0.12 0.12 0.11 0.118 0.929 351 007 3.003 03 0.35 0.36 0.34 0.70 0.71 0.67 0.692 0.13 0.13 0.13 0.127 0.895 061 439 3.158 06 0.36 0.37 0.35 0.72 0.73 0.69 0.715 0.14 0.14 0.14 0.139 0.855 941 943 3.288 47 0.36 0.38 0
17、.35 0.73 0.75 0.70 0.725 0.14 0.15 0.14 0.144 0.841 642 447 3.388 63 0.37 0.38 0.36 0.74 0.76 0.72 0.740 0.15 0.15 0.15 0.152 0.819 113 215 3.507 18 0.38 0.39 0.37 0.75 0.78 0.73 0.752 0.16 0.16 0.16 0.158 0.802 264 127 3.615 63 0.38 0.40 0.37 0.77 0.79 0.74 0.765 0.16 0.17 0.16 0.164 0.784 274 487
18、3.651 96 0.39 0.40 0.37 0.77 0.80 0.74 0.771 0.17 0.17 0.16 0.167 0.777 285 015 3.700 27 0.39 0.40 0.38 0.78 0.80 0.75 0.775 0.17 0.17 0.17 0.169 0.772 115 855 3.767 53 0.39 0.40 0.38 0.78 0.80 0.76 0.780 0.17 0.17 0.17 0.172 0.765 316 527 3.814 71 0.40 0.41 0.38 0.79 0.81 0.76 0.787 0.18 0.18 0.17
19、0.175 0.756 148 159 3.911 64 0.40 0.40 0.38 0.79 0.80 0.76 0.783 0.18 0.17 0.17 0.173 0.761 1210 007 4.000 30 0.40 0.41 0.39 0.80 0.81 0.77 0.792 0.18 0.18 0.18 0.178 0.749 5811 519 4.061 41 0.40 0.41 0.39 0.80 0.81 0.77 0.794 0.18 0.18 0.18 0.179 0.747 1512 959 4.112 57 0.41 0.41 0.39 0.81 0.82 0.7
20、8 0.800 0.19 0.18 0.18 0.182 0.739 93KS M ISO 20392:2012 14 X , t(h) Y , (%) B.1 1021031040 0.5 1 1.5 2 KS M ISO 20392:2012 15 logXct 1.470 9 0.185 91 logt r2 0.969 08 X logt ( t) Y logXctXct(mm) B.2 2 3 4 0.5 5 1 1.5 2 0 KS M ISO 20392:2012 16 1 FINDLEY, W.N. Creep Characteristics of Plastics, Symp
21、osium on Plastics, American Society of Testing and Materials, 1944 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 20392:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Thermal-insulating materials Determination of compressive creepICS 83.100
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