图  1   普通承插式接口与新型接口示意图

Figure  1.   Comparison between conventional and proposed bell-socket joints

图  2   新型接口施工顺序图

Figure  2.   Construction sequence of new joint

图  3   新型接口抗断层位错机理示意图

Figure  3.   Schematic diagram of anti-fault dislocation mechanism

图  4   管土相互作用三维有限元模型

Figure  4.   3D finite element model for pipeline-soil interaction

图  5   走滑断层错动下承插式管道模型示意图

Figure  5.   Schematic diagram of bell-socket pipeline model under Strike-slip fault

图  6   管道接口模型示意图

Figure  6.   Schematic diagram for pipeline joint model

图  7   管道接口力学性能试验^{[19, 24]}

Figure  7.   Mechanical performance tests on pipeline joint^{[19, 24]}

图  8   新型抗拉拔承插式接口的力学性能曲线

Figure  8.   Mechanical properties of new anti-pullout bell-socket joint

图  9   特定工况下采用两种承插式接口的管道效果分析

Figure  9.   Effect analysis of pipeline with two kinds of socket joints

图  10   特定工况下采用两种接口承插式管道力学响应

Figure  10.   Responses of two joints under specific conditions

图  11   特定工况下采用新型接口管道随断层位移变形图

Figure  11.   Deformations of pipeline with fault displacement using new joint under specific conditions

图  12   不同断层夹角下采用两种接口的管道的力学响应

Figure  12.   Mechanical responses of pipelines with two joints under different fault angles

图  13   不同管道埋深下采用两种接口的管道的力学响应

Figure  13.   Mechanical responses of pipelines with two joints under different burial depths

图  14   不同承插式接口临界位移的对比

Figure  14.   Critical displacements of different bell-socket joints

图  15   不同工况下^#3管段峰值应变

Figure  15.   Peak strains of pipe section No. 3 under different conditions