Sheet1Bi tp v nh: Mn thit k ti uGio vin hng dn: Nguyn Vit trungHc vin: Nguyn B ngLp cao hc cng trnh kho 11Cc s liu u voA. Tnh ton chiu dy tm b tng ximng+H s xung kch, kd1.2+Ti trng bnh xe, P5,000daN+ng knh vt bnh xe tnh ton, D33cm+H s chit gim cng , n0.5+Mun n hi ca b tng, E315,000daN/cm2+Cng chu ko khi un BT, Rku40daN/cm2+Mun n hi mng, Eb3,500daN/cm2+Mun n hi ca nn, Esg370daN/cm2+Chiu dy lp mng, hm16cm+Gi nh chiu dy lp BTXM, h24cmb. kim ton vi xe nng - trc 13T+H s xung kch, kd1.15+Ti trng bnh xe, P6500daN+ng knh vt bnh xe tnh ton, D36cm+Khong cch gia 2 bnh sau1.7m+H s chit gim cng , n0.6+H s Poisson, m0.15C. kim ton vi tc dng ca xe xch T60+Tng ti trng ca xe xch60T+p lc ca bnh xe6T/m+Bn knh vng trn tng ng, R47cm+H s Poisson, m0.15

chieu dayCONG TRNH : NG TO DAN PHO HAP THNH I THON TA NAH s anpha1 (ti trng tc dng gia tm)PHNG VNH PHCh/R1234567890.50.60.811.21.41.61.82IA IEM : HUYEN KHANH SNE/Emch12345678918010.460.550.690.810.90.971.041.091.142$10020.50.580.750.840.941.011.081.131.183$15030.560.650.80.910.981.071.131.191.25A. Tnh ton chiu dy tm b tng ximng4$20040.610.70.850.961.041.121.181.251.315$30050.680.770.921.021.111.181.261.331.38Cc s liu ban u6$40060.720.820.961.071.151.221.311.381.44+Kch thc tm 3,5x4 m+H s xung kch, kd1.157$50070.760.860.991.11.191.261.351.421.47+Ti trng bnh xe, P (xe 5 tn)1750daN8$60080.80.881.021.131.221.321.391.461.51+ng knh vt bnh xe tnh ton, D33cm9$80090.840.931.071.171.281.371.441.511.57+H s chit gim cng , n0.510$1,000100.880.971.111.221.221.411.491.551.62+Mun n hi ca b tng, E290000daN/cm211$1,500110.951.041.171.31.411.51.561.631.67+Cng chu ko khi un BT, Rku35daN/cm212$2,000120.991.081.231.361.451.531.61.661.74+Mun n hi mng, Eb3000daN/cm2H s anpha2 (ti trng tc dng cnh tm)+Mun n hi ca nn, Esg420daN/cm2123456789+Chiu dy lp mng, hm10cmh/R0.50.60.811.21.41.61.82+Gi nh chiu dy lp BTXM, h14cmE/Emch12345678918010.450.580.841.051.221.341.471.571.65Cc kt qu tnh ton2$10020.50.650.921.121.291.421.541.651.731Mun n hi chung ca lp mng3$15030.610.771.041.241.391.531.631.751.86hm (cm)Dm (cm)hm/DmEsg/EbEch/E1Ech (daN/cm2)4$20040.690.861.131.331.491.621.731.861.9710470.2130.1400.1835495$30050.820.991.251.451.611.731.872.012.1(Tra ton H3.3 Tiu chun 22TCN211-93)6$40060.911.071.331.531.681.791.972.092.192Cc h s a1,a2, a3 theo cc v tr t ti7$50070.981.141.391.581.791.92.032.152.26a1 =0.2878$60081.031.21.451.631.831.972.112.232.33a2 =1.4529$80091.111.291.531.721.912.082.192.322.44a3 =1.540amax =1.54010$1,000101.191.361.61.822.142.392.412.5111$1,500111.321.471.711.952.142.32.422.542.623Chiu dy h c tnh theo cng thc12$2,000121.391.551.822.052.212.362.492.62.74H s anpha3 (ti trng tc dng gc tm)13.31cm123456789h/R0.50.60.811.21.41.61.82Chiu dy gi nh h14.00 cmE/Emch123456789Chiu dy tnh ton:13.31 cm1$10010.540.841.081.261.411.521.621.681.76Sai s so vi gi nh l:4.9%2$15020.80.951.191.341.51.611.691.771.843$20030.871.031.281.441.571.671.761.841.92Kin ngh chiu dy cc lp kt cu4$300411.151.381.541.661.751.861.952.01Tm BTXM14.00 cm5$40051.081.211.441.61.721.811.9322.07Mng10.00 cm6$50061.141.281.491.641.751.851.972.042.117$60071.191.331.541.681.81.932.022.092.148$80081.261.41.61.751.881.992.072.142.29$1,00091.341.471.661.81.952.042.132.192.2610$1,500101.421.551.731.912.042.122.22.272.3111$2,000$111.491.621.81.972.092.172.252.312.37S liu u voE/Echm528.23anpha1anpha2anpha3h/R0.850.291.451.54Tnh ton kt quCoL3RoW70.000.990.001.100.001.02anpha10.291.391.451.581.631.441.49anpha21.45CoL3RoW61.491.541.641.681.531.57anpha31.54

BT M400: 350000BT M350: 330000BT M300: 315000BT M250: 290000BT M200: 265000BT M400: 50BT M350: 45BT M300: 40BT M250: 35BT M200: 30

Xe 8Tb. kim ton vi xe trc 8TTra gi tr ca ar v aRCc s liu ban uh/R12345678910111213+H s xung kch, kd1.20.10.20.30.40.50.60.81.01.21.41.61.82+Ti trng bnh xe, P2800daNE/Emch12345678910111213+ng knh vt bnh xe tnh ton, D33cm18014.2002.1001.3981.0500.8400.7000.5250.4200.3510.3000.2620.2330.210+Khong cch gia 2 bnh sau1.7m$2$100$23.9001.9301.3000.9750.7800.6500.4870.3900.3260.2790.2440.1260.195+H s chit gim cng , n0.73$15033.4201.7101.1370.8600.6840.5700.4260.3420.2850.2440.2140.1900.171+Mun n hi ca b tng, E290000daN/cm2$4$200$43.1001.5501.0330.7750.6200.5120.3870.3100.2590.2220.1940.1720.135+Cng chu ko khi un BT, Rku35daN/cm25$30052.7101.3550.9020.6770.5420.4520.3380.2710.2260.1940.1890.1510.135+H s Poisson, m0.15$6$400$61.4611.2300.8200.6150.4920.4100.3080.2460.2060.1760.1540.1370.123+Mun n hi mng, Eb3000daN/cm27$50071.2801.1400.7600.5700.4560.3810.2860.2280.1910.1630.1420.1270.114+Mun n hi ca nn, Esg420daN/cm2$8$600$82.1601.0800.7200.5400.4320.3600.2700.2160.1810.1540.1350.1200.108+Chiu dy lp mng, hm10cm9$80091.9500.9750.6500.4870.3900.3260.2440.1950.1630.1400.1220.1080.980+Gi nh chiu dy lp BTXM, h14cm$10$1,000$101.8200.9100.6050.4540.3640.3040.2270.1820.1520.1300.1140.1040.09111$1,200111.7100.8550.5690.4270.3420.2850.2140.1710.1430.1220.1070.0950.085Cc kt qu tnh ton$12$1,500$121.5900.7950.5300.3970.3460.2650.1980.1590.1330.1140.0990.0880.07913$2,000131.4400.7500.4800.3600.2860.2400.1800.1440.1200.1030.0900.0800.0721M men un sinh ra di bnh xe tnh tonEmchh/RE/EmchaRcPtt5490.85528.230.2640.2553360Tm aRTm ar(aR tra theo bng 4.4 22TCN 223-95)CoL70.85CoL00.09RoW7528.23RoW7528.23594.47565058530.2860.2280.2720.0000.0000.0000.2700.2160.2440.0000.0000.000aR0.264ar0.0002M men un sinh ra bi m men un ca bnh xe bn cnhEmchh/RE/EmcharBA5490.09528.230.0000.0000.000Gi tr ca cc h s A,B,C(ar tra theo bng 4.4 22TCN 223-95)ar hoc aRABC10.0010.0000.0000.000Tnh ton gi tr C020.0520.2870.2080.091430.1030.2320.1530.1470.220040.2040.1780.0990.2200.27550.3050.1470.0680.275060.4060.1240.0470.313Tnh ton gi tr B70.6070.0930.0210.3520080.8080.0750.0040.3870.00091.0090.058-0.0060.3640.000101.20100.047-0.0130.353Tnh ton gi tr A0.00 daN/cm2024.50 daN/cm2111.40110.038-0.0170.0000.000121.60120.031-0.0190.3090.000131.80130.025-0.0190.0000142.00140.021-0.0210.263152.20150.017-0.0190.000162.40160.014-0.0180.000172.60170.012-0.0170.000182.80180.010-0.0160.000193.00190.008-0.0140.000203.20200.007-0.0130.000213.40210.006-0.0120.000223.60220.005-0.0110.000233.80230.004-0.0090.000244.00240.003-0.0080.000

Xich 60TGi tr ca cc h s A,B,Car hoc aRABCC. kim ton vi tc dng ca xe xch T6010.0010.0000.0000.00020.0520.2870.2080.091Cc s liu ban u30.1030.2320.1530.147+Tng ti trng ca xe xch60T40.2040.1780.0990.220+p lc ca bnh xe6000kg/m50.3050.1470.0680.275+Bn knh vng trn tng ng, R47cm60.4060.1240.0470.313+Mun n hi ca b tng, Eb290000daN/cm270.6070.0930.0210.352+Cng chu ko khi un BT, Rku35daN/cm280.8080.0750.0040.387+H s Poisson, m0.15Tnh ton gi tr C91.0090.058-0.0060.364+Mun n hi mng, Eb3000daN/cm27101.20100.047-0.0130.353+Mun n hi ca nn, Esg420daN/cm20.3520.60111.40110.038-0.0170.000+Chiu dy lp mng, hm10cm0.3870.80121.60120.031-0.0190.309+Chiu dy lp BTXM, h14cm131.80130.025-0.0190.000Tnh ton gi tr A M2142.00140.021-0.0210.263Cc kt qu tnh ton12152.20150.017-0.0190.0000.0311.60162.40160.014-0.0180.0001M men un sinh ra di bnh xe tnh ton0.0251.80172.60170.012-0.0170.000EmchRaaRar2ar3Tnh ton gi tr B M2182.80180.010-0.0160.000549470.0160.751.613.21-0.0191.60193.00190.008-0.0140.000H s a c tnh ton theo cng thc-0.0191.80203.20200.007-0.0130.000213.40210.006-0.0120.000Tnh ton gi tr A M3223.60220.005-0.0110.0000.01620233.80230.004-0.0090.0000.0073.20244.00240.003-0.0080.0002M men un sinh ra bi tai trng bnh xch gy ra i vi im A ( gia tm)0.0063.40K hiua.Rhoc a.rABCMTMFTnh ton gi tr B M3M10.75--0.379551.62551.62-0.0133.202.M21.610.031-0.019--172.50335.77-0.0123.402.M33.210.007-0.013--142.8360.03Tng236.29947.41Vi MT, MF tnh ton theo cng thc:236.2857874962947.4113023248Do MF>MT nn kim ton vi MF = 947,411daN.cm/cm29.00 daN/cm2