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弹性应力
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  elastic stress
    The key technique of the concrete pylon tower's construction control is studied in this paper from the following three aspects. First, the concrete's elastic stress in pylon tower's control section under each construction stage is calculated by using of the concrete creep , shrinkage's linearity principle of superposition.
    论文主要从以下三方面对混凝土索塔施工控制关键技术进行了研究:(1)利用混凝土徐变、收缩的线性叠加原理,计算混凝土索塔在各个施工阶段控制截面的混凝土弹性应力
短句来源
    Based on the creep expression of concrete and the elastic thermal stress of CRCP,the formula is presented to calculate the relaxation coefficient and the relaxation stress on considerations of the linear or sine annual temperature variation by direct integration. The example of numerical results is given and the correction factor is presented to revise the elastic stress in CRCP.
    根据混凝土徐变的表达式 ,求得了连续配筋混凝土路面 ( CRCP)松弛系数的计算表达式 ,根据 CRCP混凝土弹性温度应力计算结果 ,通过积分得到了年温度线性变化和正弦曲线变化两种情况下松弛应力的计算公式 ,并进行了数值分析 ,最后给出了松弛修正系数 ,用于修正弹性应力的计算结果。
短句来源
    The complex variable method analytic solution of stress is given for the plane elastic stress problem of surrounding rock of shallow circular tunnel under ground load.
    采用复变函数解法 ,研究地面荷载作用下浅埋圆形隧道围岩的平面弹性应力问题 .
短句来源
  elastic stres s
    The key technique of the concrete pylon tower's construction control is studied in this paper from the following three aspects. First, the concrete's elastic stress in pylon tower's control section under each construction stage is calculated by using of the concrete creep , shrinkage's linearity principle of superposition.
    论文主要从以下三方面对混凝土索塔施工控制关键技术进行了研究:(1)利用混凝土徐变、收缩的线性叠加原理,计算混凝土索塔在各个施工阶段控制截面的混凝土弹性应力
短句来源
    Based on the creep expression of concrete and the elastic thermal stress of CRCP,the formula is presented to calculate the relaxation coefficient and the relaxation stress on considerations of the linear or sine annual temperature variation by direct integration. The example of numerical results is given and the correction factor is presented to revise the elastic stress in CRCP.
    根据混凝土徐变的表达式 ,求得了连续配筋混凝土路面 ( CRCP)松弛系数的计算表达式 ,根据 CRCP混凝土弹性温度应力计算结果 ,通过积分得到了年温度线性变化和正弦曲线变化两种情况下松弛应力的计算公式 ,并进行了数值分析 ,最后给出了松弛修正系数 ,用于修正弹性应力的计算结果。
短句来源
    The complex variable method analytic solution of stress is given for the plane elastic stress problem of surrounding rock of shallow circular tunnel under ground load.
    采用复变函数解法 ,研究地面荷载作用下浅埋圆形隧道围岩的平面弹性应力问题 .
短句来源
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  elastic stress
An analysis of the jet shape made it possible to find the elastic stress distribution in the disintegrating jet and to establish the laws of rheological behavior of polymeric solutions in intensive jet flows.
      
Algorithms for estimating elastic stress in ferromagnetic steel structures are based on measurements of the residual magnetization Mr as a function of tensile and compressive stress σ0 after quenching and tempering at different temperatures Ttem.
      
A promising technique for recording elastic stress waves due to deformation in solids based on the analysis of optical wave fronts using reference reflection Fourier holograms is discussed.
      
A component of scattered magnetic field normal to the surface of a awless steel pipe has been calculated taking account of the elastic stress distribution in the bent pipe.
      
The influence of elastic stress fields on ionic transport through a ?superionic crystal?-?electrode? heterojunction
      
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This article has made an photoelastic study of the influences of geologi- cal structure on the stress distribution of wall rocks and an estimate of the rational range of reinforcement. In this paper a lot of data on the different modulus of elasticity of wall rocks and the property,and similar materials of fault—planes are given. Using the principle of photoelastic data superposition,the author defined the net effects of stress in wall rocks of the cave under all kinds of load.This avoided the troublesome measurement...

This article has made an photoelastic study of the influences of geologi- cal structure on the stress distribution of wall rocks and an estimate of the rational range of reinforcement. In this paper a lot of data on the different modulus of elasticity of wall rocks and the property,and similar materials of fault—planes are given. Using the principle of photoelastic data superposition,the author defined the net effects of stress in wall rocks of the cave under all kinds of load.This avoided the troublesome measurement and calculations which were necessary for a model tested with the method of single loading,because it was difficult to loud the model simultanlously. The results obtained in this paper which describe the stress distribution and the estimated destruction range of wall rocks,are idenlical with those received through the destructing test of a plaster model.

本文介绍了用光弹法讲究地质构造对洞室应力分布的影响,预估围岩的合理加固范围。文中对围岩中分区不同弹模及断层界面的相似材料做了大量的研究,据此所得到应力成果及预估围岩可能破坏范围与文献的脆性材料破坏试验所得成果一致。文中还用光测数据迭加原理确定了弹性应力阶段洞室围岩在各种荷载作用下的最终成果,避免了模型由于同时加载困难所带来的单独施加荷载所造成的繁琐量测和计算。

The visco-elastic analytic solution of stress and deformation is given forsurrounding rock of shallow circular tunnel under ground load. The Laplacetransformation of visco-elastic solution is obtained from corresponding elastic one with theaid of correspondence principle. The solution is first expressed as the sum of multiplesolutions in each load coordinate and is then converted into the form of dual infinite seriesof a local coordinate system by addition formulas to satisfy boundary conditions. Thenumerical...

The visco-elastic analytic solution of stress and deformation is given forsurrounding rock of shallow circular tunnel under ground load. The Laplacetransformation of visco-elastic solution is obtained from corresponding elastic one with theaid of correspondence principle. The solution is first expressed as the sum of multiplesolutions in each load coordinate and is then converted into the form of dual infinite seriesof a local coordinate system by addition formulas to satisfy boundary conditions. Thenumerical results of stress and displacement of surrounding rocks are presented and theinfluence of ground load on stress is discussed.

采用解析法研究地面荷载下浅埋圆形隧道围岩的粘弹性应力和变形问题。利用对应性原理求得围岩应力和变形粘弹性解的Laplace变换,解表达为多个局部坐标中的级数之和,并由加法公式把它们变换为某个局部坐标中的双重级数,以满足边界条件。文末给出了围岩应力和变形的计算结果,讨论了地面荷载对围岩应力的影响。

This paper studies and analyses the cohesive-elastic stress and deformation of the surrounding rock of double round tunnel with shallow overburden under overloading. In this paper, the elasticity solution for the surrounding rock is expressed as the sum of double progression in local coordinate in order to meet the boundary conditions. Therefore the problem turns to be a procedure to solve a set of infinite linear algebraic equations. The elasticity and cohesive-elasticity solution of surrounding rock is solved...

This paper studies and analyses the cohesive-elastic stress and deformation of the surrounding rock of double round tunnel with shallow overburden under overloading. In this paper, the elasticity solution for the surrounding rock is expressed as the sum of double progression in local coordinate in order to meet the boundary conditions. Therefore the problem turns to be a procedure to solve a set of infinite linear algebraic equations. The elasticity and cohesive-elasticity solution of surrounding rock is solved by corresponding principles and Laplace inverse transformation. Finally the calculated results of the stress and displacement for surrounding rock are presented and the impact of the overload on the stress of the surrounding rock is discussed .

本文研究地面超载条件下浅埋双圆形隧道围岩的粘弹性应力和变形分析问题。文中把围岩的弹性解表达为局部坐标中的双重级数之和,以满足边界条件,把问题归结为求解一组无穷型的线性代数方程。由弹性一粘弹性对应性原理及Laplace逆变换求得相应围岩的粘弹性解。文末给出了围岩应力和位移的计算结果,并讨论了地面超载对围岩应力的影响。

 
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