附加应力

采用ANSYS软件，计算得到了刚性基础下单桩复合地基的附加应力的分布和位移的变化规律。

The distribution of additional stress and displacement change of single-pile composite foundation for rigid foundation was calculated by the software of ANSYS .

推导了基于Mindlin解的CFG桩复合地基中附加应力计算公式；

Based on Mindlin resolution , obtains formulas for additional stress in CFG-pile composite foundation .

GIS在求解地基附加应力中的应用

Application of GIS in Calculating of Additional Stresses in Foundation

预应力锚索框架作用下附加应力的FLAC~（3D）模拟

Three dimension simulation with flac ~ ( 3d ) on the subsidary stress induced by frame beam with prestress cable

基于弹性理论的地基应力计算原理，给出了地基附加应力计算的Excel电子表格法。

Based upon the elastic theory about stress calculating , an Excel method about stress calculating of foundation has been given out .

本文以地基中附加应力的计算和加筋土挡墙的验算两个例子，介绍Matlab编程语言在岩土工程中的应用。

The application of language Matlab in geotechnical engineering is presented by two examples of the calculation of affixation stress and checking computation of reinforced retaining wall .

用Mindlin解推求复合地基中附加应力的计算公式

Derivation of the Formula for Additional Stress in Compound Foundation by Mindlin Solution

模型中考虑相对保护层厚C／d对锈胀破坏形态和钢筋周围混凝土最大主拉应力的影响，并且考虑了钢筋位置不同以及相邻钢筋锈蚀产生附加应力的影响。

The influence of relative cover C / d on corrosion failure model and maximal principal tension stress , the position of rebar located , corrosion of adjacent rebar induced additional stress are considered in this model .

采用了两种方法进行计算：一是借助于Matlab推导出平均附加应力系数积分式的结果显式表达式，从而代入公式对附加应力系数进行直接计算；

Two methods are used in the calculation . The first is to find the explicit expression for the average additional stress coefficient integral with Matlab software , and the second is to calculate using the traditional numerical integration method .

Boussinesq公式，推导出在矩形面积上三角形分布荷载作用下，桩周土层中任意点产生的附加应力的计算公式。

By means of Boussinesq 's formula , the formula for the additional stress in the strata around pile under the triangle load over rectangle area is deduced .

计算结果与工程观测结果相比，发现Boussinesq解法会高估地基中的附加应力，使计算沉降偏大；

Compared the calculating results with the observation ones , it is found that the additional stress calculated is overvalued in Boussinesq method , resulting overvaluation of calculation settlement .

采用FLAC-3D软件对不同工况进行了数值分析，并将下卧层附加应力场与Boussinesq解的计算成果进行了对比；

By FLAC-3D program , the numerical analysis to different operating conditions were done , the additional stress results of underlying stratum were contrasted with those of Boussinesq solution .

在计算地基土附加应力系数及平均附加应力系数时发现《建筑地基基础设计规范》（GB50007&2002）表K.0.2中给出的平均附加应力系数存在一定的误差。

In calculating the additional stress coefficients and average additional stress coefficients in foundation soil , some slight errors in table K. 0.2 in the Code for Design of Build Foundation ( GB50007 & 2002 ) are found .

采用Biot固结理论的有限元方程，对多年冻土地区路基的不均匀融沉变形进行计算与分析，为路面融沉附加应力计算提供依据。

By use of the finite element equation from Biot theory , it presents the analysis and calculation of the uneven thaw collapse and deformation of tundra subgrade , and given the reference to attaching stress calculation .

为了很好地解决成层地基模型的计算问题，国内外许多学者都致力于这方面的研究。而目前计算地基附加应力和位移多是基于均质各向同性半无限弹性的Boussinesq解。

For the sake of solving calculational problem of multi-layered subgrade , many scholars bent themselves to the research . Moreover , Boussinesq solution based on semi-infinite elastic space model is still applied to calculate additional stress and settlement at subgrade .

依据Newmark感应图法基本原理，在对感应图稍做改进的基础上，将GIS的空间分析和数据管理功能应用于感应图法，求解任意形状竖向均布荷载作用下的地基附加应力。

According to the basic theory of Newmark inductive graphic method , the author ameliorated the inductive graph slightly . Some of function of GIS , such as spatial analysis , data management etc , were applied to calculate additional stresses in foundation under irregular vertical balanced distribution loading area .

结合有限元法和Geddes公式的计算结果表明，筏板刚度还引起附加应力沿深度分布的变化及附加应力影响深度的变化。

Combined the results by finite element analyzing and Geddes ′ stress formula calculating , the raft rigidities also impact the relationships between vertical additional stress and depth and stress ' respondence depth .

从复合地基的工作机理出发，利用半无限弹性空间中的Geddes解和Boussinesq解，求出了复合地基中的竖向附加应力，进而给出了复合地基沉降的计算方法。

Based on the working principle of composite foundation , vertical additional stress in composite foundation solved by Geddes and Boussinesq 's solutions in semi-infinite elastic space , a new method to calculate composite foundation settlement has been given .

提出了用静力触探P5值修正Es值的方法，并且讨论了拉基附加应力的计算及计算沉降经验系数（s）的取值问题。

To compensate for that , the paper suggests that the value , E , be modified by the value of the static sounding , P. Also , it discusses how to calculate the additional stress on the pile function and how to take account of the empirical value .

该文介绍了Mindlin地基土体内部在圆形均布荷载下，其附加应力分布的公式推导，用于计算的函数子程序.并讨论了其应用范围。

This paper introduces that inside a Mindlin ground soil mass , under a circular uniform distributed load , the derivation of the formula of the additive stress distribution and the function subroutine applied to computation . Also , it discusses the scope of its application .

本文用弹性半空间问题的Boussinesq解、Cerruti解和Mindlin解的叠加，给出了线弹性介质中，三维条件下预应力岩石锚索附加应力场的分布规律。

In this paper , the superposition of Boussinesq 's solution , Cerruti 's solution and Mindlin 's solutions in an elastic half-space is uscd to solve stress distributions produced by prestressed rockbolts in three dimensional elastic medium , ignoring any other factors .

主要的工作与创新成果如下：（1）基于地基中圆形竖向荷载下的Mindlin附加应力，提出了考虑应力扩散效应的虚土桩法。

The main finished work and innovative achievements of this article are listed as following : ( 1 ) A fictitious soil pile method was proposed to consider the effect of stress dispersion based on the Mindlin additional stress distribution under the circular vertical loading on the foundation .

本文在分析了现有桩筏基础沉降计算方法的基础上，结合自己在这方面的研究，提出采用Mindlin解计算桩筏基础附加应力，并考虑桩端下地基土分层的沉降计算方法。

The paper analyse pile-raft foundation settlement calculating methods that we have now adopted and put forward additional calculating methods of pile-raft foundation with Mindlin solution , combining author 's investigation . In the calculating methods , the influence of pile-tip penetration deformation and delamination of groundsill are considered .

以Geddes关于桩周土中附加应力解为基础，建立了考虑桩身弹性压缩的柔性桩桩－土位移协调方程，从而提出了一种计算柔性桩单桩沉降的新方法。

Based on the Geddes 's solution of stress in soil around pile , the pile-soil displacement coordination equation which takes the compression of pile into consideration is established . A new method to calculate flexible pile settlement is suggested herein .

在现有的文献和试验资料基础上，假定桩侧摩阻力沿桩身为倒三角形分布，提出了联合应用Geddes解和Boussinesq解确定附加应力场，进而求解复合地基沉降的方法。

Based on the existing literature and testing data , the side friction distribution was assumed triangle and a method to settlement of composite ground has been put forward . The key point is that the additional stress field should be obtained by applying both Geddes solution and Boussinesq solution .

附加应力在土体中传递分布的细观模型

The mesoscopic structure model of additional stress transfer in the soil

群桩基础地基中的竖向附加应力性状研究

Behavior of Applied Vertical Stress in Subsoil of Pile Group Foundations

球罐角变形附加应力计算的比较与评价

Evaluation of the additional stresses in spherical shells with angle deformations

文中由纯弯曲试验，验证了阶梯形孔法及附加应力系数计算的可靠性。

The calculation is checked by a pure bending test .

钻孔灌注桩基础对紧邻地铁隧道产生竖向附加应力和变形的计算分析

Analysis of the influence of Bored Pile Foundation on Adjacent Metro Tunnels