桥梁下部结构验算

12.2···············JTGD601112.32aNgkGGNgkGPqkkNgkNgkNgkkPqkFWh2FWh1FFWHFWLNQkNQkNQkNQk12.32212.32b.312.32c.2112.33NgkNQkFbk12.33NQkQHgkMtHrHtHgka)MrHQkMkMtMgkHgkMgkNgkGHFbkHtMrb)HrHgkhlbkFNgkNFbkHFbkHFbkFwL12.33GQgk′NHQkNFbklhFNbk=hFbkHgkHgk(12.33b)lgkH′gk∆H∆gkH′gkH′HQkHFbk2bkFH=FbkHtHr21.15tH′rH′gkMgkM′QkMQkHtMtM′rMrM′WLF12NΣHΣxxyyMMΣ12.351xΣJTJ022-85yeyxbyxexyHcHNNMyMxa2~312.341NΣHΣMΣ2JTJ022-853.0.023eNMeΣΣ=0JTJ022-853.0.2-12.420m42l5.0≤∆12.3m25m25m3l∆(cm)112.35[]σσ≤=XacN2max12.4[]σσ≤=ybcN2max12.5maxσ12.35Na[bσ]aabbbeeeNbcexc⎟⎠⎞⎜⎝⎛−=xxebc23yc⎟⎠⎞⎜⎝⎛−=yyebc23xexyye2maxσminσ12-20ee00.1e00.75e0e01.2e01.5[0]300kPae02.0200kPa[0]300kPae01.5100kPa[0]200kPae01.2[0]100kPae01.0=W/Ae0=M/NWANMIIIVVIJTJ021-8941(12.36)00)()(exhHeFFxMMKiiiii=Σ+ΣΣ==12.6MMiFΣiieFiihHxO0eR2cK12.36iifcHFKΣΣ=µ12.7Ab/2xOcRxAAFie0b/2OcHiRF3H2H1F1F2iFΣiHΣf12.3K0Kc12.4f0.250.300.30~0.400.400.500.40~0.600.60~0.701.51I+1.32(II)IV+++++1.33V1.21122IIIIVVVIJTJ021-89552.0l/h5.0(lh)2.5l/h5.0l/h5.0JTGD62-20045~7l/h2.0,l/h2.50.8lc1.15lnlcln0.811()2G-M31.20.85JTGD62-20042345.02.0l/h5.02.5l/h5.0zAfMssdd≤0γ12.8)5.0)(05.075.0(0xhhlz−+=12.9dMsdfsAzx0h0,3010303.10bhfhlVkcud−⋅+≤γkN12.10dVkNb0hkcuf,150MPasvsvkcudffPbhhlaVργ,0310)6.02(102014+⋅⎥⎥⎥⎥⎦⎤⎢⎢⎢⎢⎣⎡−≤−kN(12.11)dVkN1a=1.0=0.9;1a1aPP=100,0bhAssvρsvρ=bsAvsv«»JTGD629.3.12svAvssvfMPa;bmm;0hmm0.8«»JTGD625«»JTGD628.5.3«»JTGD626.4.33c⎟⎠⎞⎜⎝⎛+14.031hl«»JTGD626.4.20.5≤hl121234512.5T10.30T10.25T1T20.30T20.25T2T1—T2—T3—T30.30T30.25T3T40.30T50.25T5T4T53412.3711EEE112.37a212.37b312.37c21+++()2++++3+++++4+++++5+++()6+++()+211HQk12.38a212.38b12.33HFbkMrENgkHgka)QGMgkMtEHtHQkHgkHrb)QGMrMtHrMQkNQkNFbkMgkNgkHgkHtHgk12.3821++++()2+++()+3+++()++4+++++5+++++++U0.416=bL96.15=L60.15=l28=Hσ1mccafB1.115.021.022.04.02221=×+×++=+++≥la+≥506.656.1550=+=a352.104.0656.02=+×1002.12025.1×+×25.12=12.32910=GkNG84.19925)7.04.14/4.035.124.1(21=×××+××=πiBγiiiBBA35.1242+×=πγiiiihAAG21+=−S4S5S1S2S3kNG28.149492.11736.13761875.025.02)66.1481.2(2475.0)16.1581.266.1431.2(7=+=××××++×××+×=)(m35.124/21121−−−+×=iiiBBAπ)(m35.124/22iiiBBA+×=π)(2421kNhAAGiiii×+=−1kNRR973.4372012.1288.26625.10012.1)2.06.15(221=××+××+×==mkNM⋅=00.02kNR056.7082]012.14.2222.15.10)2.06.15(012.121[1=×××+×+××=mkNM⋅=×=611.1412.0056.708/2/2/2/2/2/2mkNM⋅=×=44.1850225.4973.437mkNM⋅=×+=155.2343675.2)973.437973.437(KNKNFbk165868.591.0]4.2222.15.10)6.154.06.15[('=××+×++=KNFbk165=mKNM.9.7546.016511=×=−mKNM.9.132906.816555=×=−mKNM.4.157756.9165=×=41251mymeo36.06.0055.043.518026.283===mymeo543.06.0174.097.964674.1687===222.14/35.122.188.1×+×==πγAIw343.0=2828)343.0068.0(1)6.0068.0(1)(1)(1+−=+−=wooeyeγα962.0=31.2/1014)2.14/35.122.1(962.0/32×××+××=πγαmjaARjNkN=92999516.081.14/81.135.1263.62=×+×=πγw854.0)516.0213.0(1)905.0213.0(128=+−=α31.2/1014)81.14/35.1281.1(854.0/32×××+××=πγαmjaARjNkN=129014613295.1981.26/16.15mw=×=mw468.081.216.15=×=ρmmeo702.05.1183.033.753221.1375===ρ2WMANΣ±=minmaxσ95.1921.13756.4233.7532minmax±=σ][/88.10774.2452σ=mkN713.162.9146.0405.1===ooeyK2iicHNKΣΣ⋅=µµ3.123.3413233.75326.0=×=cK123456789