埋地钢管失效的几种主要类型

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埋地钢管失效的几种主要类型
Some main failure types of buried steel pipeline
地表下沉曲线
Surface subsidence curves
人为地下活动过程中地表建筑物的移动和附加变形
The movement and additional deformation of surface buildings during human underground activities
人为地下隧道施工引起地表变形示意图
Schematic diagram of the surface deformation caused by man-made underground tunnel construction
常见管道试验研究
Research on the common pipeline tests
研究技术路线流程图
The flow chart of technological route
地表变形对钢管线结构的影响及其保护研究
Research on the influence of surface deformation on steel pipeline structure and the protection
土体与钢管线协同作用有限元模型的建立及验证
The establishment and verification of finite-element model of the synergies by soil and pipelines
数值计算理论基础
Theoretical basis for numerical calculation
物体上的外部载荷和内部作用力
The external load and internal force on the object
某一增量步中的首次迭代
The first iteration in an incremental step
第二种迭代
The second kind of iteration
FLEXION-TORSION作用机理
FLEXION-TORSION mechanism
AXIAL作用机理
AXIAL mechanism
与物理试验相匹配的单管加载模型
The single-tube loading model matched with the physical tests
深圳地铁一期三维开挖有限元模型
The finite element model of the 3D excavation of Shenzhen Metro first stage
管隧0°空间夹角模型
0° space angle model between pipeline and tunnel
模拟与试验的对比分析
Comparison analysis between simulation and tests
不同管道内压的影响
The influence of the internal pressure of different pipeline
钢管注水加压示意图
The schematic diagram of water injection compression on steel pipeline
注水加压钢管弯曲试验装置图
The set-up for bending test of steel pipeline with water injection compressed
不同内压钢管线的竖向位移变形曲线
The vertical deformation curve of the steel pipelines with different internal pressures
钢管线最大位移和最大应力与不同内压之间的关系曲线
The curve of the maximum displacement and maximum stress vs the different internal pressure of the pipelines