??????????????????

?硡????0635??2189598

???????13396220692??17862525099??17862512888??18963580692

?????2418524989@qq.com

??????????????????

??????????????и??????????????66??

??????λ??? ?? ? >> ???????

???2??27???????221600C??Q345q?????????繫??

?????????2016/2/27

???????????????????????

?????1437

???2??27???????221600C??Q345q?????????繫??

???????????????????й????е????????? 1.????????s?? ???????????????????????????????????????????????????????????????????????????????Σ????????????????????????????????С????????????? ??Ps???????s??????????Fo?????????????????????s =Ps/Fo(MPa)??MPa???????????N??????/mm2????MPa=106Pa??Pa???????=N/m2??<br><br>????????<??

??????????????????

?й????е?????????

1.????????s??

???????????????????????????????????????????????????????????????????????????????Σ????????????????????????????????С?????????????

??Ps???????s??????????Fo?????????????????????s =Ps/Fo(MPa)??MPa???????????N??????/mm2????MPa=106Pa??Pa???????=N/m2??

????????

??????????г????????????????????????????????????????????????????????????л?????????????????????????硢?????????????????????

???????????????????

2013????????????г?????????????????????????????????????????????????????????????????????????????????????????????????????15?????и?????????????100??????????????????13.6?????????????????????С??

???2??27???????22*1600*C??Q345q?????????????繫??

?????????? ????????????0.4*1*2??q550qd????????г???????????Χ????

?????????? ???2??29???????8*1800*8m??Q420q??????????????

???????????