《钢管混凝土结构：理论与实践（第三版）》公式3.59
圆形钢管混凝土柱钢管内核心混凝土本构取值
f 'cε'c钢管fy钢管外直径壁厚钢管As核心砼fck核心砼Acξ
240.001634520053063.062028352.94 1.863573
取0.4f'c为弹塑性分界点，
ε0σ0β0β0取值ε cσ c/Pa E0/Pa
0.00250624 4.74E-420.120.0002367784916994423066
0.0004704998416994423066
0.000565960184916994423066
0.00081287710816994423066
0.0011533209816994423066
0.00121748137316994423066
0.00141932493316994423066
0.00162086277816994423066
0.00182209490916994423066
0.0022302132416994423066
0.00222364202416994423066
0.00242395701016994423066
0.00252399985916994423066
0.00262399610016994423066
0.00282396459216994423066
0.0032390690416994423066
0.0042337547116994423066
0.0052265081016994423066
0.0062186939016994423066
0.0072108688916994423066
0.0082032758516994423066
0.0091960193816994423066
0.011891385416994423066
.4f'c为弹塑性分界点，即9.6MPa
ABAQUS输入值
σ修正/Paεtrueσtrue Yield Stress Inelastic Strain
3398885-0.00023398205
6797769-0.00046795050
9601849-0.00057959642495964240
12877108-0.00081286680712866807 4.32008E-05
15332098-0.00115316766153167669.92184E-05
17481373-0.001217460396174603960.000173301
19324933-0.001419297878192978780.000265439
20862778-0.001620829398208293980.000375621
22094909-0.001822055138220551380.000503835
23021324-0.00222975281229752810.000650072
23642024-0.002223590012235900120.00081432
23957010-0.002423899513238995130.00099657
23999859-0.002523939860239398600.001094441
23996100-0.002623933711239337110.001195059
23964592-0.002823897491238974910.001397731
23906904-0.00323835183238351830.001601979
23375471-0.0040123281969232819690.002638044
22650810-0.0050122537556225375560.003686368
21869390-0.0060221738173217381730.004738937
21086889-0.0070220939281209392810.005792488
20327585-0.0080320164964201649640.006845608
19601938-0.0090419425521194255210.007897692
18913854-0.0100518724715187247150.008948521