悬臂施工连续梁桥设计毕业论文.doc

270mtt1231.53m23442cm156m212m170m43m43+70+43=156m2(1) 1/251/193.8m2.0m3.8/70=1/18.422/43=1/21.51/25(2) 25cm25cm40cm25cm60cm40cmc50c30c3010?7?5fpk?1860mpa?iiqk?10.5kn/mpk?180knpk?360kn5m50m5m50mpk1midas 1/4- 92821.58kn*m28570.29kn*m236.6kn/m- 16899.60kn*m5517.90kn*mimidas- 17909.76- 2108.2210158.40 2767.55 10600.691cm - 64313.6864313.68 - 3630- 917476midas5420.5213.520.53.583.75110 1.+2.+3.+ 4.+ 5.+ 6.+7.+ 8.+ 9.+ 10.+ midas - 144831.1717072.33- 19318.4339544.77 81(?mmi/wk?e-mm/wkk?en)kaxnsmin?fy?y(k?k)(e?e)anxmin(mmax/w)kk?e-mmin/wkk?e? fy?y(k?k)(e?e)aeea nnkkwwiik?k? ayaayafyb?y?g=0.50.6ryry2b(?mmin/w)kn?.fy?yk?ean?afy?ya.(mmax/w)kk?e3(?mmin/w)kn?.fy?yk?en?afy?y.(mmax/w)kk?e4k?e?ykk?e?yk k?e?yk(k?e?yk k?wi23.2714?1.23m aza10.4537?1.8092k?wi23.2714?1.12m aza10.4537?1.9908?y?mmin/w=133913.76?1.8092?10.4mpa23.2714?y133913.79?1.99?mmax/w?11.45mpa23.27 e?1.12-0.08=1.04me?1.23-0.15=1.08m(?mmin/w)k10.510.4?106?1.23n?.?378fy?yk?e140?1860?0.61.23?1.04a3843212?15.2?7?5a?140mm2k?k?wi3.9148?0.446maza7.0713?1.2412wi3.9148?0.706maza7.0713?0.7838e?0.4me?0.6m?y?mmin/w=50305.06?0.7838?10.1mpa3.9148?y50305.06?1.2412?mmax/w?11.3mpa3.9148a(mmax/w)k7.0711.3?106?0.706n?.?fy?yk?e140?1860?0.60.446?0.6 ?34538432121261142-24-46-68-810-1012-1214-142-24-46-68-810-1012-1214-1416-16=11.5*1.23*(1.12+1.08)=28.1=8.1*1.12*0.15 =10.4*1.12*1.23+1.04=26.44=11.5*1.23*0.15 nsmin ?afy?y?(?mmin/w)kk?e-mmax/wkk?e(k?k)(e?e)10.4?106?1.23(1.12?1.08)?11.5?106?1.12?0.15?10.45370?384140?1860?0.6(1.12?1.23)(1.08?1.04)?353.53212nxmin(mmax/w)kk?e-mmin/wkk?e?fy?y(k?k)(e?e)a10.4510.4?106?1.12(1.23?1.04)?11.5?106?1.23?0.15?140?0.6?1860(1.23?1.12)(1.04?1.08)?3263843212 10.1*0.7060.446+0.6=7.515.95*0.446*0.1nsmin(?mmin/w)kk?e-mmax/wkk?e?fy?y(k?k)(e?e)a7.0710.1?106?(0.706?0.6)?15.95?106?0.446?0.106? 140?0.6?1860(0.706?0.446)(0.4?0.6)?485n?afy?yk?e.?zk?7.0715521?0.706?1000?138.7?0.55?18600.466?0.79?430.64322418a?80mmh0?h?ahf?400mmap?mdfptk?zpmdfptk fptk?0.9?fpk?0.9?1860?1674mpazpzp?h0?hf2?3800?80? ap?400?3520mm 2mdfptk?zp168453.7?106?28587.912mm2 ?1674?3520?15.2?7?5a?138.7mm228587.912?206.1138.72882412n?x?ap?fptdbf?fcd28587.912?1674x?345.3?hf?400mm26000?23.1xmd?ap?fptd(h0?)2ap?138.7?288?39945.6mm2h0?3800?80?350?3370mm345.3) 2?213803.4kn?m?168453.7kn?m 80mm80mmap?fptd(h0?)?39945.6?1674?(3370?x2?l1?l1?con1?e?(?kx)?l1mpa ?conmpa?rad m?6.3.4?1k6.3.4?16.3.4?1?0.25k0.0015=50m ?l1?con1?e?(?kx)?0.75?18601?e?(0.25?0.0015?50) ?0.083rad?l1?0.75?18601?e?(0.25?0.083?0.0015?50)?127.37mpa?l2?l2?lep l?l2mpalm?lmjm126.3.4?2?l14mm?l21mm?l?l2?epl?l1?l2(1?4)?10?3?l2?1.95?105l100?9.75mpa?l3 ?l3?l4?l4?np?c?l4mpa?cmpa? 2m?1?l4?np?cmm?cl/4?l1?l2?c?npan?npe2pninnp?l1?l2epnnp anin?con?(?l1?l2)?0.75?1860?(127.37?9.75)?1257.88mpanp?120?1.387?10?4?1257.88?106?2.0928?107nan?55468.0623cm2?5.5468m2in?2.835m4en?0.86m?c?npan?npe2pnin2.0928?1072.0928?107?0.862?5.54682.835?9.228mpa1. 95?105np?5.653.45?104m?3?l4?2m?1np?c m5?5.65?9.228?43.45mpa 6.?l5?p?0.5fpk?l5?p?l5mpa6.4.3mpa ?p?p?con?(?l1?l2?l4)?0.65fpk?i0.08ii0.025?p?con?(?l1