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Title: Author: Tada Masashi Last modified by: Tada Masashi Created Date: 11/13/2005 3:41:38 AM Document presentation format – PowerPoint PPT presentation

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1
???????
?4???????????? (????????) ?3? ??1
  • (??????)
  • ???????

??????????? ?? ??
2
  • ?????????
  • ?????????????????
  • ????????
  • ?????????????
  • ??????????

3
  • ?????56???????????????????????????????????
  • ??????????????????????????????????
  • ??56?????????
  • ?????????????? ??????????
  • ??2?????????

4
(1) ??????
?????
????
????
????
???????
????
????
5
?????
??(N/mm2) 1000 800 600 400
200 0
780N/mm2?
590N/mm2?
590N/mm2????
SM490
SS400
????
??????????????????
????
0 10 20 30 40 ??()
6
  • ???????
  • ??????????
  • ???????????

7
???????
???????????????
8
??????????
??(N/mm2) 600 400 200 0
SS400
0 10 20 30 40 ??()
9
(2) ????????
  • ???????????????
  • ?????????????????
  • ?????????????
  • ???????????
  • ?????????

10
????????(1)
  • ????????????
  • ??????????????????

11
????????(2)
  • ??????????????

???????? ???? ?????
12
  • ??????????
  • ???????????????????
  • ????????????????
  • ????????????????????
  • ??????????????????

13
????????????
??? ???
14
  • ????????
  • ??????????????????
  • ????????????
  • ??????
  • ?????????????????
  • ????????????
  • ????????
  • ?????????????????????

15
???????????
  • ???????????????????????(??)??????

??????????????????????
16
??????????????????
??????????? ????? ??????????????????????
??(N/mm2) 600 400 200 0
SS400
0 10 20 30 40 ??()
17
  • ????????????
  • ???????????
  • ???????????
  • ?????????????
  • ????????????????
  • ???????????????
  • ???????????

18
(3)?????????????
?????????3??????????????????????(1)
?? ?? ???? ?? ??? ??????
1 ??? ??????? 0.3G ???????
2 ????????? ??????? 0.2G 0.3G ??????? ??????? ??????? ????????? ?????????
3 ????????? ???????? ???????? 0.2G 1.0G ?????????
???
?????

?????
?????
(1)??12?????????????????????????(???????)????????
?
19
???1???
????? ??????????????
  • ??? ????????(??3??13m??9m???6m???500? ??)
  • ???? ?????????
  • ??? 0.3G(???1.5?)
  • ????? ???????

20
???2???
????? ????????????? ??????????????????
  • ??? ????????????????????????(??????????)
  • ???? ?????????
  • ??? 0.2G????????????????0.3G
  • ????? ?????????????????????????(?????)
  • ??? ?????????(???????)

21
???3???
????? ???????????????
  • ??? ????????
  • ???? ????????????????
  • ??? ??????? 0.2G???????? 1.0G(???????????0.25
    0.55????)
  • ????? ???????? (???????????????)
  • ??? ?????????(???????)

22
(4)????????SN?
??? YR YP / TS
??(N/mm2) 600 400 200 0
????
SS400
???? TS
????? YP
0 10 20 30 40 ??()
23
SS??SN????(2)
????? YP(N/mm2) ???? TS(N/mm2 ??? YR() ??? C() ????(??) ??
SS400 16ltt ?40 235 ? 400 ? ?510 --- --- 21 ? ????????????
SN400A t ?40 235 ? 400 ? ?510 --- ?0.23 21 ? ???????????C???
SN400B 12ltt ?40 235 ? ?355 400 ? ?510 ? 80 ?0.20 22 ? ??? SM400???
SN400C 12ltt ?40 235 ? ?355 400 ? ?510 ? 80 ?0.18 21 ? ????????????
BCR295 12ltt ?22 295 ? ?445 400 ? ?550 ? 90 ?0.20 27 ? (23 ?) ?????? ()? tlt16
BCP235 16ltt ?40 235 ? ?355 400 ? ?510 ? 80 ?0.20 22 ? ??????

24
SS400???
????????????????????
??(N/mm2) 600 400 200 0
????????
???????????
0 10 20 30 40 ??()
25
SN400B,C , BCP235???
????????
????2????????
??(N/mm2) 600 400 200 0
????80
0 10 20 30 40 ??()
26
BCR295???
?????????????????????? (0.2????????)
????1????????
??(N/mm2) 600 400 200 0
????90
0 10 20 30 40 ??()
27
???????
  • SN400B ?????? BCR295
  • ????????
  • SN400B??????
  • SS400 ?????? STKR400
  • ???????? (??355N/mm2)
  • ??SS400??????????
  • SN400B ?????? BCP235
  • ?????????
  • SN400B?????

28
????????????????
?? 500 (N/mm2)
SN400B
???
?? -4 -2 0 2 4 ()
???
-500
29
  • ?????

30
????
  • ???? / ??????????? / ?????????
  • (?)????? / ?????????(SN?)JIS G3136-1994
  • (?)???????? / ?????????????????
  • ???? / ???????????? / ?????

31
?????????
32
???
  • ??????????????????????????????????????????

??????????56????????0.2????????????????????0.2??
???????????????????????????? ?????????????????????
????????0.2????????????????????????????
0.2?
????
33
??????1?????????????0.2G(?200??)?????????????????
?????????????????????????????????????? 1G 980??
980cm/sec2 ??? ????TV??????????????????????????
?????????????????????????? ??????????????????????1
???????
?200??
  • ?????(1923) 330?? M7.9?????(1968)?? 235?? M7.9
    ??????(1978) 432?? M7.4???????(1995) 818?? M7.2

34
  • ?????????????????????????????????????
  • ???????????????????????????
  • ??8????????????????????????????????????????
  1. ????????????????????
  2. 0.3?????????????????
  3. ????????

1 2 3
????
????
35
???????????????? ????????????????????????????????
????????????
36
??????????????????????2?????????10????????????????
????????????????0???????7?????????3000???????????
????????????????????????????????? ????7??????????
??????12??????????????????????????????????????????
????????? ???????????????????????????????????????1
?????????????????????????????????????
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