【《青海隧道Z5+型衬砌内力计算过程案例》2400字】

青海隧道Z5+型衬砌内力计算过程案例目录TOC\o"1-3"\h\u17446青海隧道Z5+型衬砌内力计算过程案例 1316121.1尺寸拟定 165231.2计算断面参数 328001.3材料截面参数 4199431.4围岩基本参数 445861.5地层弹簧参数 5262021.6围岩压力确定 5292021.7外水压力 6134391.8地震荷载 6313331.9加固参数 718901.10内力图 8291401.11衬砌内力计算结果 10138051.12节点位移计算成果 13307821.13节点位移计算结果 151.1尺寸拟定1.2计算断面参数隧道断面类型：两车道标准断面设仰拱(二衬)分离式隧道隧道断面参数表参数名参数值拱部圆弧半径R11.200m侧墙圆弧半径R27.700m侧墙与仰拱连接段圆弧半径R31.000m仰拱圆弧半径R420.000m侧墙结构高度H2'1.800m拱顶厚度D10.700m侧墙结构顶部厚度D20.700m侧墙结构底部厚度D30.700m侧墙与仰拱连接段处的厚度D40.700m仰拱底部厚度D50.700m1.3材料截面参数材料参数表材料名称重度γkN/m^3弹性模量MPa泊松比板厚m二衬梁23.00028000.0000.200初衬梁22.00031042.0000.200中墙平面23.00033500.0000.2001.000截面参数表截面名称面积Am²惯性矩Izm4惯性矩Izm47000.7000.0290.058说明：截面的名称代表的是各截面的厚度或者半径，单位为mm。1.4围岩基本参数围岩基本信息参数表围岩分级重度γ(kN/m3)计算内摩擦角(°)坚固系数Ⅴ级19.50041.0001.001.5地层弹簧参数弹性抗力系数：150.000MPa/m1.6围岩压力确定围岩压力计算方法：深浅埋隧洞。计算参数：隧洞埋深：18.000m水平侧压力与垂直压力的比：0.150滑面的摩擦角θ/计算摩擦角φ：0.900围岩压力：垂直均布压力q：281.194kN/m²左上水平侧压力e1：52.650kN/m²左下水平侧压力e1'：52.650kN/m²右上水平侧压力e2：82.178kN/m²右下水平侧压力e2'：82.178kN/m²1.7外水压力设计参数：地下水位深度(地下水位线至隧道底部中轴线的高度：7.000m折减系数：0.2501.8地震荷载设计参数：抗震重要性系数：1.300场地调整系数：1.000水平向基本地震动加速度峰值(g)：0.100竖向地震系数：0.000地震角：2.500°地震烈度：七级水平地震作用的方向：向右顶左垂直压力q1：281.194kN/m²顶右垂直压力q1'：281.194kN/m²地震荷载计算值：洞顶土体产生的水平地震荷载Eh：37.075kN/m²洞顶土体产生的竖向地震荷载Ev：0.000kN/m²左侧顶部土体产生的水平地震荷载△ELu：8.170kN/m²左侧底部土体产生的水平地震荷载△ERd：13.809kN/m²右侧顶部土体产生的水平地震荷载△ELu：7.543kN/m²右侧底部土体产生的水平地震荷载△ERd：12.750kN/m²围岩压力分担比例：二衬分担比例：0.500初衬分担比例：0.5001.9加固参数系统锚杆：注浆11参数名称数值单位参数名称数值单位锚杆弹性模量E210000.0MPa锚杆外直径D42.0mm锚杆重度γ56.0kN/m3锚杆长度L3.5m抗拉强度设计值ft310.0N/mm2抗震折减系数ψ0.85--1.10内力图弯矩图（由此图我们可以分析得到：该结构在节点59至节点31处的弯矩表现为内侧受拉，在节点64处的弯矩有最大值；在节点53至节点94处和节点31至节点125处表现为外侧受拉，在节点88处的弯矩有最大值，其值为368.82；在节点94至节点125处表现为内侧手拉，在节点119处弯矩有最大值，其值为342.61。）剪力图（由此图我们可以分析得到：该结构在节点92处的剪力有最大值。其值位479.14，方向为正；在节点126处的剪力有最大值，其值为578.48，方向为负。）轴力图1.11衬砌内力计算结果单元轴力N(kN)弯矩M(kN.m)剪力Q(kN)单元轴力N(kN)弯矩M(kN.m)剪力Q(kN)01420.38-209.24226.83741072.00-260.96-12.5211406.04-151.99199.05751087.21-261.359.7821392.59109.96169.11761101.01-251.9933.4431379.63-70.39136.18771113.27-244.5558.3641367.28-38.37100.45781123.91-226.7384.4251356.53-16.6564.95791132.53-204.50104.7761347.32-4.7730.01801139.45-179.58118.4971339.19-1.71-1.59811141.69-150.42127.5681331.91-6.64-33.95821151.33-118.12130.9991324.62-17.41-52.40831156.18-81.69128.66101316.71-32.53-68.78841160.43-54.52120.83111308.12-51.48-83.02851164.31-21.96107.71121298.78-73.71-91.01861168.94-2.1982.55131288.64-98.62-104.58871171.2213.9546.64141278.27-124.07-111.08881183.0320.626.89151267.71-149.29-114.93891192.9516.28-38.38161251.67-176.64-116.34901201.23-1.07-89.73171241.98-201.39-114.09911219.06-31.11-143.13181227.18-233.06-107.68921234.37-73.74-197.73191211.17-258.53-96.52931251.71-130.39-251.34201193.85-280.54-79.97941282.22-193.54-249.03211171.08-297.64-57.33951321.02-247.69-182.79221154.71-308.22-27.90961352.06-281.48-118.30231132.68-311.372.22971371.03-307.15-53.93241109.16-307.2829.90981389.05-313.157.66251084.36-296.5951.04991394.52-304.9667.73261058.51-279.9477.571001391.43-280.63131.64271031.84-257.9997.431011377.64-237.05213.22281004.58-231.41114.601021351.62-173.27296.7729976.97-200.87129.071031331.78-97.40310.0130949.24-167.06140.821041336.77-27.26251.1231921.62-130.65149.901051338.2128.99198.9032894.35-92.29156.351061340.0173.02153.3933868.59-54.13160.171071342.10106.49114.4334844.50-16.78161.621081344.39131.0281.7935820.3722.11160.901091346.81148.1351.1336796.4762.03157.951101349.30159.2834.0737773.92100.94152.851111351.67161.7018.8138752.90138.32141.731121353.90168.808.1839733.59173.68136.771131356.11169.850.8840716.13206.58126.131141358.26169.60-2.8941700.66236.64114.001151360.20168.82-3.3242687.30263.49100.571161361.90168.29-0.8943676.13286.8586.061171363.32168.673.9344667.26306.4670.681181364.44170.4910.6545660.73322.1454.641191361.23174.1718.7846656.60333.7538.171201361.69179.9927.8547654.77341.2121.501211361.81188.1437.3448651.00344.504.811221361.60198.6546.7449657.16343.63-11.711231361.09211.4351.5050661.22338.66-27.911241364.27226.2563.0351667.16329.71-43.611251363.17242.7168.7152674.92316.90-58.661261361.82260.2971.8753684.43300.44-72.891271360.25278.2471.7954691.61280.52-86.171281358.50291.6867.7155708.39257.43-98.351291356.71310.9559.1656722.65231.43-109.301301354.93323.0746.1957738.29202.87-118.891311353.09331.7526.9358751.18172.09-127.001321351.25331.05-0.5059772.51140.73-133.351331349.59330.46-36.2460790.06109.25-137.981341348.22311.78-81.2561809.1071.57-141.171351347.25288.57-136.4262829.5440.03-142.731361346.82246.19-202.6163850.544.33-142.421371347.05181.80-280.5764871.94-31.05-140.201381348.11104.37-370.8965893.57-61.63-136.041391372.148.70-394.0466911.26-98.93-129.911401414.19-82.89-338.0467936.87-130.45-121.811411447.15-160.06-279.0168958.21-159.70-111.761421470.86-221.94-211.8869979.14-186.20-99.761431484.73-261.50-151.6270999.48-209.45-81.871441489.56-291.53-86.44711019.08-229.01-70.131451481.59-302.20-10.17721037.80-244.40-52.591461470.93-293.3080.56731051.49-251.18-33.351471444.25-260.39181.70极值表极值类型单元ID轴力N(kN)弯矩M(kN.m)剪力Q(kN)轴力极值1441489.56-291.53-86.44弯矩极值48651.00344.504.81剪力极值1391372.148.70-394.041.12节点位移计算成果X方向位移矢量图Y方向位移矢量图位移矢量图1.13节点位移计算结果节点X位移(mm)Y位移(mm)位移(mm)单元X位移(mm)Y位移(mm)位移(mm)00.36-1.731.7474-0.37-3.233.2510.57-1.801.8375-0.52-3.143.1920.77-1.861.9176-0.66-3.073.1430.96-1.901.9877-0.78-3.003.1041.16-1.956.0678-0.89-2.953.0851.36-1.996.1479-0.98-2.913.0761.54-6.026.2180-1.05-2.883.0671.72-6.046.2881-1.11-2.853.0681.90-6.066.3582-1.16-2.833.0692.08-6.086.4283-1.21-2.813.05102.27-6.086.4984-1.25-2.793.05112.44-6.086.5585-1.28-2.773.05122.62-6.076.6186-1.32-2.763.05132.79-6.066.6787-1.35-2.743.05142.96-6.046.7288-1.38-2.733.06153.09-6.016.7689-1.42-2.723.06163.22-1.996.8090-1.46-2.703.07173.36-1.966.8491-1.50-2.693.08183.48-1.936.8792-1.53-2.683.09193.58-1.906.9093-1.57-2.673.10203.66-1.886.9294-1.59-2.663.10213.72-1.866.9495-1.61-2.653.10223.77-1.856.9696-1.61-2.633.09233.79-1.856.9797-1.60-2.613.06243.79-1.866.9998-1.57-2.563.00253.78-1.897.0099-1.54-2.512.94263.75-1.947.02100-1.50-2.432.86273.71-6.007.05101-1.46-2.332.75283.65-6.077.08102-1.42-2.202.62293.58-6.167.13103-1.40-2.052.48303.51-6.277.18104-1.38-1.892.34313.43-6.397.25105-1.37-1.732.20323.35-6.527.33106-1.35-1.562.07333.27-6.667.42107-1.34-1.401.94343.19-6.807.52108-1.33-1.251.83353.12-6.957.62109-1.33-1.101.73363.06-7.107.73110-1.33-0.971.64373.00-7.267.85111-1.33-0.851.58382.95-7.417.98112-1.33-0.741.53392.90-7.568.10113-1.34-0.651.49402.87-7.708.21114-1.35-0.571.46412.85-7.828.32115-1.36-0.491.45422.83-7.938.42116-1.37-0.431.44432.82-8.018.50117-1.39-0.391.44442.82-8.088.56118-1.40-0.351.45452.82-8.138.61119-1.42-0.331.46462.83-8.158.63120-1.44-0.321.47472.84-8.158.63121-1.45-0.331.49482.85-8.128.60122-1.47-0.351.51492.85-8.068.55123-1.49-0.391.54502.85-7.988.47124-1.50-0.441.57512.84-7.878.37125-1.52-0.501.6