混凝土本构数据陈家勇Word文件下载.doc
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混凝土本构数据陈家勇Word文件下载.doc
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3.25E7
3.35E7
3.45E7
C55
C60
C65
C70
C75
C80
3.55E7
3.6E7
3.65E7
3.7E7
3.75E7
3.8E7
(2)泊松比,统一取0.2(参阅
(2)的4.1.8)
(3)剪切模量:
按
(2)表4.1.5中的0.4倍采用(参阅
(2)的4.1.8).
(4)密度
(2):
2.5T/m3
(5)单轴应力-应变关系
混凝土材料轴心抗压和轴心抗拉强度标准值按
(2)表4.1.3采用.
A:
单轴受压,其应力-应变关系方程如下(参阅
(2)C.2.1,P206):
当时
在0–0.7fc的应力范围为线弹性,其弹性模量按表1.大于0.7fc为塑性范围,应力-塑性应变关系如下:
B:
单轴受拉,其应力-应变关系方程如下(参阅
(2)C.2.2,P208):
在0–ft的应力范围为线弹性,其弹性模量按表1.大于ft为塑性范围,应力-塑性应变关系如下:
据此得到下列各等级混凝土材料在拉和压屈服后的应力(kN/m2)-塑性应变关系:
*Material,Name=C25
*Concretecompressionhardening
应力(kN/m2) 塑性应变
11690., 0
16700.,0.000808693
13239.8,0.00233739
9841.27,0.00386389
7674.36,0.0053464
6248.49,0.00680245
5255.01,0.00824305
4527.98,0.00967414
3974.73,0.011099
3540.4,0.0125197
*Concretetensionstiffening
1797.8,0
1780.,0.000025515
1191.06,0.000135635
859.483,0.000236563
684.527,0.000331898
576.455,0.000424844
502.469,0.000516573
448.233,0.000607596
406.519,0.000698173
373.278,0.000788446
131.57,0.00355876
*Material,Name=C30
14070.,0
20100.,0.000801898
14636.6,0.00245591
10073.3,0.00407992
7500.85,0.00563756
5931.13,0.00716179
4889.86,0.00866839
4153.49,0.0101648
3607.,0.011655
3186.09,0.0131409
2030.1,0
2010.,0.0000282563
1232.19,0.00014944
849.073,0.000257466
660.524,0.000359008
548.371,0.000458002
473.404,0.000555757
419.357,0.000652815
378.298,0.00074944
345.892,0.000845777
118.271,0.00380631
*Material,Name=C35
16380.,0
23400.,0.000789431
15814.6,0.00256253
10267.4,0.00427092
7408.77,0.00589395
5749.74,0.00747891
4682.74,0.00904507
3943.69,0.0106008
3403.29,0.0121503
2991.69,0.0136956
2222.,0
2200.,0.0000301427
1253.05,0.000160189
834.315,0.000273466
638.442,0.000379668
524.938,0.000483255
450.278,0.000585609
397.041,0.000687284
356.924,0.000788541
325.457,0.000889524
109.188,0.00399589
*Material,Name=C40
18760.,0
26800.,0.000764814
16909.7,0.00265856
10469.9,0.00444614
7378.84,0.00613068
5650.07,0.0077733
4562.41,0.0093962
3819.83,0.0110085
3282.34,0.0126144
2876.02,0.0142164
2413.9,0
2390.,0.0000309422
1263.67,0.000170079
815.537,0.000288349
615.229,0.000398993
501.733,0.000506966
428.08,0.000613712
376.039,0.000719794
337.082,0.000825474
306.681,0.00093089
101.338,0.00417611
*Material,Name=C45
20720.,0
29600.,0.00075015
17743.1,0.00273782
10639.8,0.00458359
7386.84,0.00631443
5609.46,0.00800122
4506.18,0.00966788
3759.48,0.0113239
3222.27,0.0129737
2817.97,0.0146195
2535.1,0
2510.,0.0000323044
1265.87,0.000176673
802.219,0.000297743
600.343,0.000410999
487.385,0.0005216
414.624,0.000631002
363.47,0.000739759
325.314,0.000848128
295.619,0.000956244
96.8983,0.0042863
*Material,Name=C50
22680.,0
32400.,0.000739885
18515.2,0.00282136
10800.8,0.00472398
7406.35,0.00650139
5586.72,0.00823314
4469.4,0.00994455
3718.4,0.0116453
3180.69,0.0133399
2777.43,0.0150306
2666.4,0
2640.,0.0000336591
1264.64,0.000183705
786.735,0.000307738
584.088,0.000423793
472.094,0.00053722
400.477,0.000649477
350.37,0.00076111
313.124,0.00087237
284.214,0.000983389
92.4472,0.00440455
*Material,Name=C55
24850.,0
35500.,0.00072745
19297.,0.00291132
10959.8,0.00487362
7429.12,0.00670053
5569.63,0.00848036
4439.05,0.0102397
3683.89,0.0119884
3145.52,0.013731
2743.03,0.0154698
2767.4,0
2740.,0.0000352217
1261.67,0.00018927
774.457,0.000315399
571.752,0.000433514
460.697,0.000549047
390.039,0.000663442
340.767,0.0
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