125的钢管注水后一米多重

杜绝机译，请审阅。

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

W=0.02466（D-S）S ------钢的密度取7.85kg/dm³

注释：每米重量kg/m=（外径-壁厚）*壁厚*0.02466 单位取毫米：mm

例如Ф140*10的钢管每米重量为：

(140-10)*10*0.02466=32.058公斤/米。