柱脚节点计算

柱脚节点计算1、Z1柱脚b-0.59b-0.59ml-0.95mp-1.0f-9.6N/mm2cc取最不利组合Z1(Mmax)：M-203.2kN•mN-141.27kN柱脚底板计算bmaxN6M+

bl bl2141.27x10-36x203.2x10-3

+0.59x0.95 0.59x0.952-2.54N/mm2<9.6N/mm2=Pf=—=—2.04/mm2<9.6N/mm2N6M 141.27x10-36x203.2x10-3b——— — — maxbl bl2 0.59x0.95 0.59x0.952QQ区段内底板下平均反力-2.39N/mm2-2.39N/mm2=max2min②区按相邻边支承板：a-275mm2b-116mmb116= a275-0.42查表得P=0.047M-p2ba2-0.047x2.39x2752-8495NtZ二：6x、495=15.7mm /.t取30mm,满足要求\；f\205③区段内底板下平均反力TOC\o"1-5"\h\zg\£»=2.°4+庭5=1.45N/mm22 2③区按三边支承板：a=178mmb=200mm 虹=炎^=1.124杳表得&=0.1182 2 a178M=P2ca2=0.115x3.46x1782=12607NtZ:匝=，*!=16.01mm at取30mm,满足要求\，f\ 295柱脚锚栓计算受压区长度=480mm底板形心轴至受压合力线的距离950x=480mm底板形心轴至受压合力线的距离x= 4.37+4.27=315mm锚拴轴线至受压合力线的距离y=950-100-480=690mm3锚拴受力为Nt=M^=481°x103一36保x315=680.25KNy 690采用4个M45的锚拴，Nt=182.8*4=731.2KN满足要求2、Z2柱脚

b=0.57m l=0.95m取最不利组合Z2(Mmax)：柱脚底板计算f=b=0.57m l=0.95m取最不利组合Z2(Mmax)：柱脚底板计算f=9.6N/mm2ccM=418.9RN•mp=1.0N=954.82kNN6M954.82x10-3 6x418.9x10-3^ =bl+bd~=057~095^——0^7~095——=6-64/mm2<9.6N/mm2=PfcccN6M 954.82x10-36x418.9x10-3。=bl+~bd~= ~095 0^7~095——=-3.12/mm2<9.6N/mm2=PfcccQQ区段内底板下平均反力Gmax+Gmin24.59+6.642=5.62N/mm2b131Q区按相邻边支承板：a=265mm b=131mmt= =0.494杳表得P=0.0602 2 a?265 —M=pya;=0.060x5.62x2652=23680NtZ四=「孩网=21.9mm二，取30mm,满足要求\fV295③区按三边支承板：a。=178mmb=200mm b=|°0=1.124 查表得P=0.1182 2 a2 178M=P2aa2=0.115x5.62x1782=20477NtZ匝=「豆更=20.4mm .・.t取30mm,满足要求fV295

柱脚锚栓计算受压区长度950x3.12x= =304mm3.12+6.64底板形心轴至受压合力线的距离底板形心轴至受压合力线的距离a=竺—犯=374mm23锚拴轴线至受压合力线的距离304y=950—100— =749mm3锚拴受力为vM—Na418.9x103—954.82x374Nt= = =89.56KNy 690采用4个M36的锚拴，Nt=114.3*3=342.9KN满足要求b=0.4m l=0.756mPc=1.0Mb=0.4m l=0.756mPc=1.0M=—1048.24kN•m㈡一"39C.VCC10J0 \S|1田—eT"田暨S"田—ffl田60：田r-.f=9.6N/mm2cc取最不利组合（Mmax）：N=1138.36kN柱脚底板计算N=1138.36/2+1048.24/1.2=1442KNN1442x103c=—= =4.77N/mm2<9.6N/mm2cbl400x756Q区段内底板下平均反力

b=4.77N/mm2143=0.5285143=0.5285查表得P=0.06按两边支承板：a=285mmb=143mm 22M=P2aa2=0.06x4.77x2852=23246N*mmt，四=「贝旬=21.7mm .・.t取30mm,满足要求\f\ 295柱脚锚栓计算取最不利组合：N=—92.14kN M=—545.60kN•m锚拴受力为Nt=545.60/1.2+92.14/2=500.7KN采用8个M33的锚拴，Nt=97.1*8=776.8KN满足要求4、Z4柱脚■I93.110r-osc[■I93.110r-osc[1ffiffiHBSS[±lb=0.4m l=0.96mf=9.6N/mm2 p=1.0取最不利组合（M）：N=2846.46kN M=1988.3kN•m柱脚底板计算N=2846.46/2+1988.3/1.2=3080.1KN=7.97N/mm2<9.6=7.97N/mm2<9.6N/mm2cbl400x966Q区段内底板下平均反力b=7.97N/mm2按两边支承板：a=285mmb=143mm "2=^^=0.5 杳表得p=0.062 2 a285 —2

M=P2Q^2=0.06X7.97X2852=38842N*mmtz ：'X3跳42=28.1mm t取40mm,满足要求\f295柱脚锚栓计算取最不利组合：N=58.29kN M=-923.67kN-m锚拴受力为Nt=923.67/1.2—58.29/2=798.87KN采用10个M36的锚拴，Nt=114.3*10=1143KN满足要求5、KFZ柱脚•，忑I•，忑I刃150 75b=0.3ml=0.65m f=9.6N/mm2 p=1.0N=32.83kN柱脚底板计算_N_32.83X_N_32.83X103bmaxbl300X650=0.122/mm2<10N/