混凝土本構(gòu)數(shù)據(jù)

1、附錄一動力彈塑性分析的材料非線性參數(shù)取值混凝土材料：混凝土材料采用塑性損傷模型(Plastic-DamagedModel).根據(jù)GB50010-2002混凝土強度分類如下：C25,C30,C35,C40,C45,C50,C55,C60,C65,C70,C75,C80(1)彈性模量：按表4.1.5,單位kN/m2表1彈性模量C25C30C35C40C45C502.8E73E73.15E73.25E73.35E73.25E7C55C60C65C70C75C803.55E73.6E73.65E73.7E73.75E73.8E7泊松比，統(tǒng)一取0.2(參閱的4.1.8)剪切模量：按表中的0.4倍采用(參

2、閱的4.1.8).密度：2.5T/m3(5)單軸應(yīng)力-應(yīng)變關(guān)系混凝土材料軸心抗壓和軸心抗拉強度標(biāo)準(zhǔn)值按表采用.A:單軸受壓，其應(yīng)力-應(yīng)變關(guān)系方程如下(參閱C.2.1,P206):當(dāng)x1時23ya(32a)x(a2)x當(dāng)x1時xa(x1)2x(Tin在0-0.7fc的應(yīng)力范圍為線彈性，其彈性模量按表1.大于o.7fc為塑性范圍，應(yīng)力-塑性應(yīng)變關(guān)系如下：E0B：單軸受拉,其應(yīng)力-應(yīng)變關(guān)系方程如下(參閱(2)C.2.2,P208):當(dāng)x1時6xa(x1)1.7x£x£(Tyr在0-ft的應(yīng)力范圍為線彈性，其彈性模量按表1.大于ft為塑性范圍，應(yīng)力-塑性應(yīng)變關(guān)系如下：ckTt

3、63;£E"匚0據(jù)此得到下列各等級混凝土材料在拉和壓屈服后的應(yīng)力(kN/m2)-塑性應(yīng)變關(guān)系：*Material,Name=C25*Concretecompressionhardening應(yīng)力(kN/m2)塑性應(yīng)變11690.,16700.,13239.8,9841.27,7674.36,6248.49,5255.01,4527.98,3974.73,3540.4,00.0008086930.002337390.003863890.00534640.006802450.008243050.009674140.0110990.0125197*Concretetensionst

4、iffening1797.8,1780.,1191.06,00.0000255150.000135635859.483,0.000236563684.527,0.000331898576.455,0.000424844502.469,0.000516573448.233,0.000607596406.519,0.000698173373.278,0.000788446131.57,0.00355876*Material,Name=C30*Concretecompressionhardening14070.,020100.,0.00080189814636.6,0.0024559110073.3

5、,0.004079927500.85,0.005637565931.13,0.007161794889.86,0.008668394153.49,0.01016483607.,0.0116553186.09,0.0131409*Concretetensionstiffening2030.1,02010.,0.00002825631232.19,0.00014944849.073,0.000257466660.524,0.000359008548.371,0.000458002473.404,0.000555757419.357,0.000652815378.298,0.00074944345.

6、892,0.000845777118.271,0.00380631*Material,Name=C35*Concretecompressionhardening16380.,023400.,0.00078943115814.6,0.0025625310267.4,0.004270927408.77,0.005893955749.74,0.007478914682.74,0.009045073943.69,0.01060083403.29,0.01215032991.69,0.0136956*Concretetensionstiffening2222.,02200.,0.000030142712

7、53.05,0.000160189834.315,0.000273466638.442,0.000379668524.938,0.000483255450.278,0.000585609397.041,0.000687284356.924,0.000788541325.457,0.000889524109.188,0.00399589*Material,Name=C40*Concretecompressionhardening18760.,026800.,0.00076481416909.7,0.0026585610469.9,0.004446147378.84,0.006130685650.

8、07,0.00777334562.41,0.00939623819.83,0.01100853282.34,0.01261442876.02,0.0142164*Concretetensionstiffening2413.9,02390.,0.00003094221263.67,0.000170079815.537,0.000288349615.229,0.000398993501.733,0.000506966428.08,0.000613712376.039,0.000719794337.082,0.000825474306.681,0.00093089101.338,0.00417611

9、*Material,Name=C45*Concretecompressionhardening20720.,029600.,0.0007501517743.1,0.0027378210639.8,0.004583597386.84,0.006314435609.46,0.008001224506.18,0.009667883759.48,0.01132393222.27,0.01297372817.97,0.0146195*Concretetensionstiffening2535.1,02510.,0.00003230441265.87,0.000176673802.219,0.000297

10、743600.343,0.000410999487.385,0.0005216414.624,0.000631002363.47,0.000739759325.314,0.000848128295.619,0.00095624496.8983,0.0042863*Concretetensionstiffening*Material,Name=C50*Concretecompressionhardening22680.,032400.,0.00073988518515.2,0.0028213610800.8,0.004723987406.35,0.006501395586.72,0.008233

11、144469.4,0.009944553718.4,0.01164533180.69,0.01333992777.43,0.01503062666.4,02640.,0.00003365911264.64,0.000183705786.735,0.000307738584.088,0.000423793472.094,0.00053722400.477,0.000649477350.37,0.00076111313.124,0.00087237284.214,0.00098338992.4472,0.00440455*Material,Name=C55*Concretecompressionh

12、ardening24850.,035500.,0.0007274519297.,0.0029113210959.8,0.004873627429.12,0.006700535569.63,0.008480364439.05,0.01023973683.89,0.01198843145.52,0.0137312743.03,0.0154698*Concretetensionstiffening2767.4,02740.,0.00003522171261.67,0.00018927774.457,0.000315399571.752,0.000433514460.697,0.00054904739

13、0.039,0.000663442340.767,0.000777235304.231,0.000890669275.923,0.0010038789.2809,0.00449368*Material,Name=C60*Concretecompressionhardening26950.,038500.,0.00070060619978.3,0.0029851511087.9,0.005002157444.03,5552.82,4412.21,3654.2,3115.66,2714.07,0.006873420.0086960.01049770.01228880.01407390.015855

14、1*Concretetensionstiffening2878.5,2850.,1256.67,760.756,558.434,448.564,379.016,330.681,294.926,267.272,86.0337,00.00003563830.0001947020.0003232830.0004437080.0005615650.0006783020.0007944490.0009102480.001025820.00458981*Material,Name=C65*Concretecompressionhardening29050.,41500.,20635.5,11227.6,7

15、477.58,5554.81,4402.81,3640.4,3100.27,2698.31,00.0006711540.003050920.005116810.007027690.008888510.01072820.01255720.01438020.0161993*Concretetensionstiffening2959.3,2930.,1252.05,750.74,548.949,440.021,371.305,323.655,288.463,261.278,00.00003624620.0001987380.0003289920.0004510410.0005705460.00068

16、89480.0008067740.0009242590.00104152*Material,Name=C70*Concretecompressionhardening31150.,044500.,0.00064117721274.9,0.0031127611377.9,0.005224137526.44,0.00717215571.79,0.009068814407.16,0.01094423639.02,0.01280883096.11,0.01466742692.74,0.0165221*Concretetensionstiffening3019.9,02990.,0.0000369791

17、248.1,0.000201847743.23,0.000333282541.959,0.000456512433.772,0.000577225365.689,0.000696855318.553,0.000815919283.779,0.000934649256.941,0.0010531682.2252,0.00470937*Material,Name=C75*Concretecompressionhardening*Concretetensionstiffening33180.,047400.,0.00061958321842.2,0.0031847111504.1,0.0053439

18、87565.26,0.007332595583.9,0.009269014408.93,0.01118393636.25,0.01308813091.21,0.01498622686.84,0.01688063080.5,03050., 0.00003771171243.9,0.000204919735.834,0.000337513535.156,0.000461909427.722,0.000583819360.269,0.000704663313.639,0.000824951279.275,0.000944913252.774,0.0010646680.7083,0.00475965*

19、Material,Name=C80*Concretecompressionhardening0., 00.00060153922358.2,0.0032568111618.5,0.005462037601.82,0.007490325596.63,0.009465684412.34,0.01141943635.46,0.01336253088.38,*Concretetensionstiffening0728.476,0.000341687528.471,0.000467236421.811,0.000590329354.989,0.000712373308.862,0.00083387327

20、4.904,0.000955052248.735,0.0010760379.2484,0.00480935.損傷系數(shù)：混凝土材料進入塑性狀態(tài)伴隨著剛度的降低，如下圖示受拉受壓文獻Fig4.(a),(b)給出了混凝土材料單軸拉壓的滯回曲線.該曲線已被實驗和計算驗證.通過線性插值，可以得到混凝土材料各塑性應(yīng)變所對應(yīng)的損傷系數(shù)如下：*Material,Name=C25*Concretecompressiondamage損傷系數(shù)(de)塑性應(yīng)變0,00.01,0.0008086930.207199,0.002337390.410702,0.003863890.540458,0.00534640.697

21、18,0.006802450.78611,0.008243050.84114,0.009674140.877465,0.0110990.902661,0.0125197*Concretetensiondamage損傷系數(shù)(dt)塑性應(yīng)變0,00.01,0.0000255150.330864,0.0001356350.517144,0.0002365630.615434,0.0003318980.747045,0.0004248440.834016,0.0005165730.888637,0.0006075960.919064,0.0006981730.937999,0.0007884460.9

22、98225,0.00355876*Material,Name=C30*Concretecompressiondamage0,00.01,0.0008018980.271809,0.002455910.498841,0.004079920.626823,0.005637560.758068,0.007161790.830984,0.008668390.875447,0.01016480.904483,0.0116550.924462,0.0131409*Concretetensiondamage0,00.01,0.00002825630.386973,0.000149440.577576,0.0

23、002574660.671381,0.0003590080.78758,0.0004580020.862336,0.0005557570.908476,0.0006528150.933922,0.000749440.949638,0.0008457770.998607,0.00380631*Material,Name=C35*Concretecompressiondamage0,00.01,0.0007894310.324164,0.002562530.561223,0.004270920.683386,0.005893950.796302,0.007478910.858328,0.00904

24、5070.89589,0.01060080.92031,0.01215030.937062,0.0136956*Concretetensiondamage0,00.01,0.00003014270.430433,0.0001601890.620766,0.0002734660.709799,0.0003796680.814503,0.0004832550.880713,0.0005856090.921137,0.0006872840.943295,0.0007885410.956917,0.0008895240.998833,0.00399589*Material,Name=C40*Concr

25、etecompressiondamage0,00.01,0.0007648140.369042,0.002658560.609331,0.004446140.72467,0.006130680.823245,0.00777330.877128,0.00939620.90969,0.01100850.930844,0.01261440.945352,0.0142164*Concretetensiondamage0,00.01,0.00003094220.471266,0.0001700790.658771,0.0002883490.742582,0.0003989930.836523,0.000

26、5069660.895279,0.0006137120.930952,0.0007197940.95046,0.0008254740.962428,0.000930890.998995,0.004176110.903712,0.000631002*Material,Name=C45*Concretecompressiondamage0,00.01,0.000750150.40057,0.002737820.640546,0.004583590.750445,0.006314430.840063,0.008001220.888862,0.009667880.918306,0.01132390.9

27、37422,0.01297370.950532,0.0146195*Concretetensiondamage0,00.01,0.00003230440.495671,0.0001766730.680391,0.0002977430.760819,0.0004109990.849034,0.00052160.936711,0.0007397590.954691,0.0008481280.965692,0.0009562440.999092,0.0042863*Material,Name=C50*Concretecompressiondamage0,00.01,0.0007398850.4285

28、44,0.002821360.666642,0.004723980.771409,0.006501390.853722,0.008233140.898389,0.009944550.9253,0.01164530.942763,0.01333990.954738,0.0150306*Concretetensiondamage0,00.01,0.00003365910.52097,0.0001837050.701994,0.0003077380.778754,0.0004237930.861159,0.000537220.911801,0.0006494770.942194,0.00076111

29、0.958699,0.000872370.968775,0.0009833890.999181,0.00440455*Material,Name=C55*Concretecompressiondamage0,00.01,0.000727450.456423,0.002911320.691273,0.004873620.790729,0.006700530.866219,0.008480360.907065,0.01023970.93165,0.01198840.947601,0.0137310.958541,0.0154698*Concretetensiondamage0,00.01,0.00

30、003522170.539536,0.000189270.717351,0.0003153990.791331,0.0004335140.869789,0.0005490470.91763,0.0006634420.946178,0.0007772350.961623,0.0008906690.971027,0.001003870.999246,0.00449368*Material,Name=C60*Concretecompressiondamage0,00.01,0.0007006060.481084,0.002985150.712003,0.005002150.806648,0.0068

31、73420.876252,0.0086960.913899,0.01049770.936577,0.01228880.951309,0.01407390.961426,0.0158551*Concretetensiondamage0,00.01,0.00003563830.559063,0.0001947020.733068,0.0003232830.804058,0.0004437080.877995,0.0005615650.922909,0.0006783020.949666,0.0007944490.964133,0.0009102480.972937,0.001025820.9992

32、99,0.00458981*Material,Name=C65*Concretecompressiondamage0,00.01,0.0006711540.502758,0.003050920.729456,0.005116810.819817,0.007027690.884515,0.008888510.919509,0.01072820.940612,0.01255720.95434,0.01438020.96378,0.0161993*Concretetensiondamage0,00.01,0.00003624620.572681,0.0001987380.743775,0.00032

33、89920.812645,0.0004510410.883611,0.0005705460.926569,0.0006889480.952106,0.0008067740.965898,0.0009242590.974284,0.001041520.999336,0.00465851*Material,Name=C70*Concretecompressiondamage0,00.01,0.0006411770.521912,0.003112760.744318,0.005224130.830867,0.00717210.891435,0.009068810.924204,0.01094420.943987,0.01280880.956872,0.01466740.965746,0.0165221*Concretetensiondamage0,00.01,0.0000369790.582576,0.0002018470.751428,0.0003332820.818743,0.0004565120.887672,0.0005772250.929255,0.0006968550.953916,0.0008159190.967215,0.00