混凝土本構(gòu)大數(shù)據(jù)的

實(shí)用標(biāo)準(zhǔn)文案附錄一動(dòng)力彈塑性分析的材料非線性參數(shù)取值一 混凝土材料:混凝土材料采用塑性損傷模型 (Plastic-DamagedModel) (1).根據(jù)GB50010-2002 混凝土強(qiáng)度分類 如下:C25,C30,C35,C40,C45,C50,C55,C60,C65,C70,C75,C80彈性模量:按(2)表單位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(2)的剪切模量:按(2)表中的0.4倍采用(參閱(2)的精彩文檔實(shí)用標(biāo)準(zhǔn)文案密度(2):2.5T/m3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(qiáng)度標(biāo)準(zhǔn)值按(2)表4.1.3采用.單軸受壓,其應(yīng)力-應(yīng)變關(guān)系方程如下(參閱(2)當(dāng)x1時(shí)y α (3 2α)x2 (α 2)x3a a a當(dāng)x 1時(shí)y

xαd(x 1)2 xεxεcσyfc在0–0.7fc的應(yīng)力圍為線彈性,其彈性模量按表 1. 大于0.7fc為塑性圍,應(yīng)力-塑性應(yīng)變關(guān)系如下:inσεεccE0單軸受拉,其應(yīng)力-應(yīng)變關(guān)系方程如下(參閱當(dāng)x1時(shí)y 1.2x 0.2x6當(dāng)x1時(shí)yxαt(x1)1.7x精彩文檔實(shí)用標(biāo)準(zhǔn)文案εxεty

σft在0–ft的應(yīng)力圍為線彈性,其彈性模量按表1.大于ft為塑性圍,應(yīng)力-塑性應(yīng)變關(guān)系如下:ckσεtεttE0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., 016700., 0.00080869313239.8, 0.002337399841.27, 0.003863897674.36, 0.00534646248.49, 0.006802455255.01, 0.008243054527.98, 0.009674143974.73, 0.0110993540.4, 0.0125197精彩文檔實(shí)用標(biāo)準(zhǔn)文案*Concretetensionstiffening1797.8, 01780., 0.0000255151191.06, 0.000135635859.483, 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.,0.00080189814636.6,0.0024559110073.3,0.004079927500.85,0.005637565931.13,0.00716179精彩文檔實(shí)用標(biāo)準(zhǔn)文案4889.86, 0.008668394153.49, 0.01016483607., 0.0116553186.09, 0.0131409*Concretetensionstiffening2030.1, 02010., 0.00002825631232.19, 0.00014944849., 0.000257466660.524, 0.000359008548.371, 0.000458002473.404, 0.000555757419.357, 0.000652815378.298, 0.00074944345.892, 0.000845777118.271, 0.00380631*Material,Name=C35*Concretecompressionhardening16380., 023400., 0.000789431精彩文檔實(shí)用標(biāo)準(zhǔn)文案15814.6,0.0025625310267.4,0.004270927408.77,0.005893955749.74,0.007478914682.74,0.009045073943.69,0.01060083403.29,0.01215032991.69,0.0136956*Concretetensionstiffening2222.,02200.,0.00003014271253.05,0.000160189834.315,0.000273466638.442,0.000379668524.938,0.000483255450.278,0.000585609397.041,0.000687284356.924,0.000788541325.457,0.000889524109.188,0.00399589精彩文檔實(shí)用標(biāo)準(zhǔn)文案*Material,Name=C40*Concretecompressionhardening18760.,026800.,0.00076481416909.7,0.0026585610469.9,0.004446147378.84,0.006130685650.07,0.00777334562.41,0.00939623819.83,0.01100853282.34,0.01261442876.02,0.0142164*Concretetensionstiffening2413.9,02390.,0.00003094221263.67,0.000170079815.537,0.000288349615.229,0.000398993501.733,0.000506966428.08,0.000613712376.039,0.000719794337.082,0.000825474精彩文檔實(shí)用標(biāo)準(zhǔn)文案306.681, 0.00093089101.338, 0.00417611*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.,0.00003230441265.87,0.000176673802.219,0.000297743600.343,0.000410999精彩文檔實(shí)用標(biāo)準(zhǔn)文案487.385, 0.0005216414.624, 0.000631002363.47, 0.000739759325.314, 0.000848128295.619, 0.00095624496.8983, 0.0042863*Material,Name=C50*Concretecompressionhardening22680.,032400.,0.00073988518515.2,0.0028213610800.8,0.004723987406.35,0.006501395586.72,0.008233144469.4,0.009944553718.4,0.01164533180.69,0.01333992777.43,0.0150306*Concretetensionstiffening2666.4, 0精彩文檔實(shí)用標(biāo)準(zhǔn)文案2640., 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*Concretecompressionhardening24850.,035500.,0.0007274519297.,0.0029113210959.8,0.004873627429.12,0.006700535569.63,0.008480364439.05,0.01023973683.89,0.0119884精彩文檔實(shí)用標(biāo)準(zhǔn)文案3145.52, 0.0137312743.03, 0.0154698*Concretetensionstiffening2767.4, 02740., 0.00003522171261.67, 0.00018927774.457, 0.000315399571.752, 0.000433514460.697, 0.000549047390.039, 0.000663442340.767, 0.000777235304.231, 0.000890669275.923, 0.0010038789.2809, 0.00449368*Material,Name=C60*Concretecompressionhardening26950.,038500.,0.00070060619978.3,0.0029851511087.9,0.00500215精彩文檔實(shí)用標(biāo)準(zhǔn)文案7444.03, 0.006873425552.82, 0.0086964412.21, 0.01049773654.2, 0.01228883115.66, 0.01407392714.07, 0.0158551*Concretetensionstiffening2878.5, 02850., 0.00003563831256.67, 0.000194702760.756, 0.000323283558.434, 0.000443708448.564, 0.000561565379.016, 0.000678302330.681, 0.000794449294.926, 0.000910248267.272, 0.0010258286.0337, 0.00458981*Material,Name=C65*Concretecompressionhardening精彩文檔實(shí)用標(biāo)準(zhǔn)文案29050.,041500.,0.00067115420635.5,0.0030509211227.6,0.005116817477.58,0.007027695554.81,0.008888514402.81,0.01072823640.4,0.01255723100.27,0.01438022698.31,0.0161993*Concretetensionstiffening2959.3,02930.,0.00003624621252.05,0.000198738750.74,0.000328992548.949,0.000451041440.,0.000570546371.305,0.000688948323.655,0.000806774288.463,0.000924259261.278,0.0010415283.8153,0.00465851精彩文檔實(shí)用標(biāo)準(zhǔn)文案*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.,0.0000369791248.1,0.000201847743.23,0.000333282541.959,0.000456512433.772,0.000577225365.689,0.000696855精彩文檔實(shí)用標(biāo)準(zhǔn)文案318.553, 0.000815919283.779, 0.000934649256.941, 0.0010531682.2252, 0.00470937*Material,Name=C75*Concretecompressionhardening33180.,047400.,0.00061958321842.2,0.0031847111504.1,0.005343987565.26,0.007332595583.9,0.009269014408.93,0.01118393636.25,0.01308813091.21,0.01498622686.84,0.0168806*Concretetensionstiffening3080.5,03050.,0.00003771171243.9,0.000204919精彩文檔實(shí)用標(biāo)準(zhǔn)文案735.834, 0.000337513535.156, 0.000461909427.722, 0.000583819360.269, 0.000704663313.639, 0.000824951279.275, 0.000944913252.774, 0.0010646680.7083, 0.00475965*Material,Name=C80*Concretecompressionhardening35140.,050200.,0.00060153922358.2,0.0032568111618.5,0.005462037601.82,0.007490325596.63,0.009465684412.34,0.01141943635.46,0.01336253088.38,0.01529952683.,0.0172327精彩文檔實(shí)用標(biāo)準(zhǔn)文案*Concretetensionstiffening3141.1, 03110., 0.00003844371239.38, 0.000207956728.476, 0.000341687528.471, 0.000467236421.811, 0.000590329354.989, 0.000712373308.862, 0.000833873274.904, 0.000955052248.735, 0.0010760379.2484, 0.00480935損傷系數(shù):混凝土材料進(jìn)入塑性狀態(tài)伴隨著剛度的降低 ,如下圖示(1):受拉精彩文檔實(shí)用標(biāo)準(zhǔn)文案受壓文獻(xiàn)(3)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(shí)驗(yàn)和計(jì)算驗(yàn)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)如精彩文檔實(shí)用標(biāo)準(zhǔn)文案下:*Material,Name=C25*Concretecompressiondamage損傷系數(shù)(dc)塑性應(yīng)變0,00.01,0.0008086930.207199,0.002337390.410702,0.003863890.540458,0.00534640.69718,0.006802450.78611,0.008243050.84114,0.009674140.877465,0.0110990.902661,0.0125197*Concretetensiondamage損傷系數(shù)(dt)塑性應(yīng)變0,00.01,0.0000255150.330864,0.0001356350.517144,0.0002365630.615434,0.000331898精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.747045, 0.0004248440.834016, 0.0005165730.888637, 0.0006075960.919064, 0.0006981730.937999, 0.0007884460.998225, 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*Concretetensiondamage0,0精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.01, 0.00002825630.386973, 0.000149440.577576, 0.0002574660.671381, 0.0003590080.78758, 0.0004580020.862336, 0.0005557570.908476, 0.0006528150.933922, 0.000749440.949638, 0.0008457770.998607, 0.00380631*Material,Name=C35*Concretecompressiondamage0,00.01,0.0007894310.324164,0.002562530.561223,0.004270920.683386,0.005893950.796302,0.007478910.858328,0.009045070.89589,0.0106008精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.92031,0.01215030.937062,0.0136956*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*Concretecompressiondamage0,00.01,0.0007648140.369042,0.002658560.609331,0.00444614精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.72467,0.006130680.823245,0.00777330.877128,0.00939620.90969,0.01100850.930844,0.01261440.945352,0.0142164*Concretetensiondamage0,00.01,0.00003094220.471266,0.0001700790.658771,0.0002883490.742582,0.0003989930.836523,0.0005069660.895279,0.0006137120.930952,0.0007197940.95046,0.0008254740.962428,0.000930890.998995,0.00417611*Material,Name=C45*Concretecompressiondamage精彩文檔實(shí)用標(biāo)準(zhǔn)文案0,00.01,0.000750150.40057,0.002737820.640546,0.004583590.750445,0.006314430.840063,0.008001220.888862,0.009667880.918306,0.01132390.937422,0.01297370.950532,0.0146195*Concretetensiondamage0,00.01,0.00003230440.495671,0.0001766730.680391,0.0002977430.760819,0.0004109990.849034,0.00052160.903712,0.0006310020.936711,0.0007397590.954691,0.0008481280.965692,0.0009562440.999092,0.0042863精彩文檔實(shí)用標(biāo)準(zhǔn)文案*Material,Name=C50*Concretecompressiondamage0,00.01,0.0007398850.428544,0.002821360.666642,0.004723980.771409,0.006501390.853722,0.008233140.898389,0.009944550.9253,0.01164530.942763,0.01333990.954738,0.0150306*Concretetensiondamage0,00.01,0.00003365910.52097,0.0001837050.701994,0.0003077380.778754,0.0004237930.861159,0.000537220.911801,0.000649477精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.942194, 0.000761110.958699, 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*Concretetensiondamage0,00.01,0.00003522170.539536,0.00018927精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.717351, 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*Concretecompressiondamage0,00.01,0.0007006060.481084,0.002985150.712003,0.005002150.806648,0.006873420.876252,0.0086960.913899,0.01049770.936577,0.01228880.951309,0.01407390.961426,0.0158551精彩文檔實(shí)用標(biāo)準(zhǔn)文案*Concretetensiondamage0,00.01,0.00003563830.559063,0.0001947020.733068,0.0003232830.804058,0.0004437080.877995,0.0005615650.922909,0.0006783020.949666,0.0007944490.964133,0.0009102480.972937,0.001025820.999299,0.00458981*Material,Name=C65*Concretecompressiondamage0,00.01,0.0006711540.502758,0.003050920.729456,0.005116810.819817,0.007027690.884515,0.00888851精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.919509,0.01072820.940612,0.01255720.95434,0.01438020.96378,0.0161993*Concretetensiondamage0,00.01,0.00003624620.572681,0.0001987380.743775,0.0003289920.812645,0.0004510410.883611,0.0005705460.926569,0.0006889480.952106,0.0008067740.965898,0.0009242590.974284,0.001041520.999336,0.00465851*Material,Name=C70*Concretecompressiondamage0,00.01,0.000641177精彩文檔實(shí)用標(biāo)準(zhǔn)文案0.521912,0.003112760.744318,0.005224130.830867,0.00717210.891435,0.009068810.924204,0.01094420.943987,0.01280880.956872,0.01466740.965746,0.0165221*Concretetensiondamage0,00.01,0.0000369790.582576,0.0002018470.751428,0.0003332820.818743,0.0004565120.887672,0.0005772250.929255,0.0006968550.953916,0.0