电大建筑结构形成性考核册答案1

经典word整理文档，仅参考，双击此处可删除页眉页脚。本资料属于网络整理，如有侵权，请联系删除，谢谢！121()N/22CC345c6789TTT21）AACB）ACAACABCDx2a'CsABC．．保防防受止止钢出出达现现规超少的筋筋压破破计坏坏度．证压筋到定抗设强D在截．面设计时，满足下列条件（D）则为第．二类T形截面。．fAfbhMfbhhh/2fAfbh'''''f''AB．Dys１cff１cff0ys１cffMfbhhh/2'''f１cff08(。ACBDV0.25fbh9ACccoABDA>>B>C>>D>>51231/10bh200mm500mmmmM3kNm20mm/,/NfN22f[]1ctf360N/0.518,As22ybhohh3550035465(mm)oAfs942360x.mmh0.518465mm)yafb200bo1cf/f/0.16%0.2%,0.2%tyA0.2%200mm942mm22sMuMfA(hx/2)360942(465142.5/2)uyso133.5310Nmm133.kNmM120kNm6f360N/mmy22fN/1c某矩形截面梁，截面尺寸为（Mms、s。AhhMmm。0因)af22Mu,max1c0bb176.9N176.9kNmM260kNm6hhMxxsMMuf(ha)=b0b0=u,max260176.9106570mm236044035sy0sAsafbhf11.92000.5184403605702076.8mm2A1cb0fys360sy221()f400N/mm2yf'yf400N/mm2yf2=（）yN/2f'y=（）。3xhxx4b0或6b2/10578．)921。ABCD2．A．C混凝土强度B．配筋率3．BABCD4DABCD5CABCD6．）ABCD7BABC8DABCD9ACABCD51bb233/10456l.5m1．b××kN,,采用C30砼，0f14.3N/mmf360N/aa35mm,22'2',,cyssl/b4500/40011.2500.。41得A200000mm2sA1256mm2,sA.%3%0A得N0.9(fAfA)0.90.9601256)y'suc2796.6N2796.6N20003aa'40mmlm,2．某矩形截面柱，截面尺寸b，，0ssf14.3N/mmff/2'2,,’。cyyhha0040360mm0sNxmmh0.518360186.5mmx'safbb01cM206e0N550mm103hemax,2020mm30aeee55020570mm则i0.5fA0.50a14.33431.011cN1l0取1h24/101l()11157012111.06501400e/hh22121400i0360h40065eea1.0570767040.5mm22is得xafbxh21c0AA'f'ssy767.051.014.33009393/2301442mm25A'Abh02.%)22ssmin321234ee5hhT678921CAC2．3D4．）955．6A,B和C2097BC8承载能力弹性变形能力9AD5/1051234mm；H/25(H。E[][[[H0H0[[2[[6[73)钢1．b×h＝370×，H＝H＝4．2mN＝0NAbh0.3700.4900.1813m20.3m20.70.70.18130.8813AaH1.00haa；110.83110.001511.35022f1.5N/2由6/10fA0.88130.831.50.181310198.9kNN200kN6a2．4s2H，11.0；每42b2.74.510.410.4ss2M5[H12.430h[]1.00.7618.241242123T45。678．910(梁、柱、墙21512·tttAt1及1h212Att12Btt12Ctt122．．．．3．．．．47/10．．B．．B5．ABCD6ACBD7ABCD8DABCD9ABCDABCD5123458/1061、有一轴心受压实腹式柱，柱截面为焊接工字型，两主轴方向均属b类截面，如图所示，钢材，已知：N，lml3.6mf215N/mm2，，0x0yyxx240X16yA2401623201010880mm2I10320/12224016/12240161682323x244,066,000mm3I216240y/1232010/1236864,000mm149.77mm333I244,066,00010880ixxAI36864,000iy58.2mmyA108801080072.1l0xi149.77xx0yyl360061.8i58.2y查表得0.744,0.801xy1500