有约之gts第一讲-荷载结构法应用-弹性连接说明

GTS在荷载-结构中的应 榜

IntegratedSolutionforGeotechnicalandTunnel9《题 IntegratedSolutionforGeotechnicalandTunnelmidasGSG大中华群： 34IntegratedSolutionforGeotechnicalandTunnel341122GTSIntegratedSolutionforGeotechnicalandTunnel 5IntegratedSolutionforGeotechnicalandTunnel荷载结构法认地层对结构的作用只是产生作用在建筑结构上的荷载（包括主动地层压力和地层抗IntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnel地层结构把结构与地层作为一个受力变形的整体，按照连续介质力学原理来计算建筑结构以周围地层的应力，充分体现周围地层与建IntegratedSolutionforGeotechnicalandTunnel地层结构施工过程可以充分模拟结构以及周围地层IntegratedSolutionforGeotechnicalandTunnel关键是荷载的确定方IntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnel冻胀力，落石冲击力及力IntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnel围岩对支护结构的约束反力。采用文 IntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnel34IntegratedSolutionforGeotechnicalandTunnel3411IntegratedSolutionforGeotechnicalandTunnel节点边界条约束自由度(constraint)→用于地基的边界弹性连接(elastic单元的边界条刚性连接(rigid释放单元端部约束(elementIntegratedSolutionforGeotechnicalandTunnel节点边界条约束自由度(constraint)→用于地基的边界弹性连接(elastic单元的边界条刚性连接(rigid释放单元端部约束(elementGroundIntegratedSolutionforGeotechnicalandTunnelGround模模型>边界>支模型>边界>智能支IntegratedSolutionforGeotechnicalandTunnel土分析时的边界约束条件:一般岩土分析的地基约束如下图所IntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnel模型>单元>点弹模型>单元>曲面弹IntegratedSolutionforGeotechnicalandTunnelnodalnodalIntegratedSolutionforGeotechnicalandTunnel 床系数(ModulusofSubgradeReaction)乘以相应节点的从属面积(TributaryeffectiveK=modulusofsubgradereactionxeffectiveIntegratedSolutionforGeotechnicalandTunnel和中间的弹簧刚度分别为250tonf/m、500tonf/m。IntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunnelIntegratedSolutionforGeotechnicalandTunn