3、<,)$,1-!"#$%&'()*'+!H+DIAJ)(A0)(D)C/0(3503(A1A.49,+-,@A0-5>.*-.++(-.*)C0B+>435A0-).K-.-,0(D"L-MA.G.-N+(,-0D)C9(5B-0+503(+A.4F+5B.)1)*D"L-MA.E!$$"""OB-.A#OP>8/BA)?CA.&5B+.,C#!DAB))75)@75."#$%&'(%&!FB-,A(0-51+C-(,01D-.0()435+,0B+,03J?5)13@.0+,0"-0,C3.50-).A.4:)-.0,)CA00+.0-)."+@:
4、BA,-Q-.*).-0,:+531-A(-0D4-CC+(+.0C()@0B+0+,0)C,B)(05)13@.,79C0+(RA(4,"30-1-QA0-).)C0B+4A0A:()N-4+4JD,03J?5)13@.0+,0-,A.A1DQ+47FB+0+,0.)0).1D(+N+A1,0B+:+ASNA13+)C0B+5)@:(+,,-N+(+,-43A1,0(+,,"J30A1,)*-N+,0B+,0AJ-1-0D5)+CC-5-+.0)C1)5A1J35S1-.*C)(:1A0++1+@+.0,3.4+(@303A1(+,0(A-.07T
5、)(,03J?5)13@.,R-0B:1A0+,1+.4+(.+,,J+D).41-@-0"-0,B)314J+5).,-4+(+4A,.)(@A1RB+.0B+5A:A5-0D5A1531A0+4A55)(4-.*0)53((+.0A::()A5B)C:),0?J35S1-.*,0(+.*0B,3(:A,,+,0B+0+,0NA13+7U0B+(R-,+"0B+A::()A5BR-11.)0J+,3-0+4C)(,0(30,)C:(A50-5A13,A*+7FB+RAD)C5BA.*-.*0B-,,-03A0-).4)+,.)01-+-.A@+.4
6、-.*,)@+5)+CC-5-+.0C-*3(+,"J30-.1-.S-.*0B+CA50)()C+CC+50-N+D-+14,0(+.*0BR-0B0B+@+@J+(1+.*0B7IA,01D"A.+R@+0B)4"0B+A::()A5B)C-.0+(A50-N+J35S1-.*"-,:30C)(RA(4C)(,0(30,R-0B:1A0+,1+.4+(.+,,J+D).41-@-07O)@:A(-,).R-0B+V:+(-@+.0A14A0A,B)R,0BA0(+@A(SAJ1+-@:()N+@+.0BA,J++.A5B-+N+4)N+(0B+A
7、::()A5B)C+CC+50-N+D-+14,0(+.*0B'+CC+50-N+A(+AA.4@ADJ+(+5)@@+.4+4C)(3,+-.+.*-.++(-.*4+,-*.7)*+,-&.$&!,03J?5)13@.0+,0%AV-A11D5)@:(+,,+4@+@J+(%(+,-43A1,0(+,,%1)5A1J35S1-.*%-.0+(A50-N+J35S1-.*=!钢柱段试验的目的的应力?应变曲线"从而得出材料的基本性能"包括屈服用试验方法研究钢压杆的性能"除进行整体稳定试点(抗拉强度(弹性模量和伸长率等$柱段试验则给出了验外"还需要做柱
8、段压力试验$所谓柱段!/03J杆件截面受压时的应力?应变曲线$它的一个重要指标是比例极限*"此值和屈服点之间