地下建筑结构课程设计(同名22035)VIP免费

《地下建筑结构课程设计》----软土地区地铁盾构隧道计算书姓名：班级：勘查学号：203指导教师：李志高福建工程学院土木工程系岩土教研室2012年6月目录1荷载计算-------------------------------------31.1结构尺寸及地层示意图-----------------------31.2隧道外围荷载标准值-------------------------31.2.1自重--------------------------------31.2.2均布竖向地层荷载----------------------41.2.3水平地层均布荷载----------------------41.2.4按三角形分布的水平地层压力--------------51.2.5底部反力-----------------------------51.2.6侧向地层抗力--------------------------51.2.7荷载示意图----------------------------62内力计算---------------------------------------63标准管片配筋计算--------------------------------83.1截面及内力确定-----------------------------83.2环向钢筋计算--------------------------------83.3环向弯矩平面承载力验算-----------------------114抗浮验算-------------------------------------105纵向接缝验算--------------------------------125.1接缝强度计算------------------------------125.2接缝张开验算------------------------------146裂缝张开验算------------------------------157环向接缝验算----------------------------168管片局部抗压验算-----------------------------179参考文献-------------------------------181一.荷载计算1.1结构尺寸及地层示意图图1-1结构尺寸及地层示意图如图，按照要求，对灰色淤泥质粉质粘土上层厚度进行调整：1355203307445mm1.2隧道外围荷载标准值计算1.2.1自重3225/0.358.750hKNGKNmmm-钢筋混凝土自重；管片厚度；1.2.2均布竖向地层荷载①竖向地层荷载：2②地面超载：③近似均布拱背土压力：其中：1.2..3水平地层均布荷载其中：则：1.2.4按三角形分布的水平地层压力其中：31.2.5拱底反力1.2.6侧向土层抗力其中：衬砌圆环抗弯刚度:衬砌圆环抗弯刚度折减系数:；则：取1.2.7荷载示意图4图1-2圆环外围荷载示意图二、内力计算取一米长度圆环进行计算，其中荷载采用设计值，即考虑荷载组合系数。计算结果如下表（已考虑荷载组合系数）：5隧道圆环内力计算结果截面/度弧度内力荷重自重轴线半径均布竖向地层荷载水压水平地层均布荷载底部反力△水平压力Pk引起的圆环内力每米内力g(kN/㎡)RH(m)q(kN/㎡)q(kN/㎡)P1(kN/㎡)PR(kN/㎡)P2(kN/㎡)Pk(kN/㎡)10.52.925173.51299.241184.81239.45178.98300MkN.m44.9172.925443.867-25.667-212.267-77.478-35.440-80.41457.517180.31438.4012.925365.363-10.432-171.768-69.283-30.263-68.73153.288360.62820.3412.925157.6270.802-65.723-45.500-15.426-34.82417.297540.942-5.0232.925-106.4106.93965.401-8.4536.19317.763-23.591721.256-31.3602.925-335.8647.377171.56938.23328.34974.578-47.119901.570-51.2412.925-455.6172.074212.26789.99442.174102.241-58.1091081.884-57.3402.925-432.007-8.452171.966139.89739.91365.439-80.5851262.198-43.6792.925-265.550-23.17166.044159.85319.944-46.542-133.1011442.512-6.7352.92527.475-40.644-65.08091.930-10.541-34.824-38.4191622.82653.7362.925418.415-59.163-171.369-126.531-37.914-68.7318.4441803.140134.3022.925869.040-76.916-212.266-530.342-48.941-80.41454.46200NKN-15.3562.925-53.797573.621290.28057.30136.11881.691969.857180.314-11.6272.925-2.750558.386262.58854.49934.28777.696973.079360.628-1.0942.925131.658547.151190.07946.36828.37766.1041008.643540.94214.3662.925300.305541.015100.42133.70318.36646.6881054.863721.25631.9252.925442.211540.57727.82817.7426.92617.2991084.508901.57048.2062.925507.479545.8800.0000.0460.0060.0001101.6171081.88459.7792.925499.408556.40627.556-42.6744.08117.3471121.9031262.19863.6702.925442.500571.12599.982-116.93321.43846.8331128.6131442.51257.8392.925342.320588.598189....