Based on the elastic semi-plane stress solution of the semicircular excavation and rectangle excavation, deducing the soil displacement equation around the foundation pit.
以半圆形和矩形基坑弹性半平面应力解为基础，推导了基坑周围土体的竖向位移和水平向位移的计算公式。
The theory and approach of model identification through using the information provided by in-situ displacement measurements during tunnel excavation monitoring are studied.
研究了直接利用隧道施工监测的位移量测信息来判别隧道力学计算模型的原理和方法。
The displacement of excavation decreases with the increasing of anchor prestress. However, when the anchor prestress reach a big value, its influences is small.
随着锚杆预应力的增加，基坑位移大幅度减小，但当预应力施加到一定大值之后，对基坑位移的影响幅度较小。
Anchor bars at small depth side are always in press condition and timbering effect is limited from excavation and timbering of the tunnel to a steady displacement field and stress field.
从隧道开挖支护直至隧道位移场应力场稳定，埋深浅侧的锚杆基本上处于受压状态，支护效果有限。
The model can predict displacement which is caused by excavation in underground engineering and can predict stable displacement over a long period of time after formed excavation.
运用灰色理论建立预测地下工程开挖位移的模型，预测成洞后长期的开挖稳定位移，为工程开挖提供了较为有效的方法。
The anchor prestress influences displacement of excavation greatly.
锚杆所施加的预应力大小对基坑位移影响很大。
This paper studies the surface displacement and deformation induced by excavation through computing and analyzing, and the influence of which on the adjacent building.
本文主要从计算分析的角度研究了基坑开挖引起的自由场地和有建筑物场地的地表位移和变形规律，以及开挖对临近建筑物的影响规律。
The result proved that the embankment foundation excavation was smooth and the houses nearby haven't any displacement and dropping appearance.
经实施，堤基开挖顺利，附近房屋无任何位移与沉降迹象。
When the coefficient of soil pressure at-rest varies in proper range, the influence on the horizontal displacement of the excavation can reach 20%.
适当范围内对静止土压力系数进行的不同取值，对挡墙的水平位移的影响可达20%左右。
Due to a lack of experience of performing construction in soft soil areas, serious displacement of the foundation piles took place after the excavation of foundation pit started.
由于缺乏软土地区施工经验，在基坑开挖后，基础桩发生了严重位移。
A method is proposed to identify the excavation influence areas during excavation basing on the displacement measurements, and the deformation of a slope is also analyzed.
基于位移测量结果提出了一种确定开挖影响范围的方法，分析了开挖后边坡的变形响应。
Analysis models of displacement prediction and stabilization forecast of surrounding rock of highway tunnel excavation are established.
建立了新的隧道工程开挖围岩位移预测和稳定性预报模型及其分析方法。
By using ALGOR finite element analysis system, the stress field and displacement field of deep excavation were calculated.
采用ALGOR有限元分析系统，对基坑开挖引起的应力场、位移场进行了分析计算。
But with the increase of excavation depth and scale, the displacement and stability problem is becoming a focus in engineering world.
随着基坑开挖深度和规模的增大，其位移和稳定问题日益成为工程界关注的焦点。
More and more excavation projects are built above or adjacent to the tunnel, which, in such a close distance, will induce tunnels displacement.
目前越来越多的基坑工程位于已建地铁隧道之上或两侧。
The stability of tunnel in mining-coal induced subsidence area is a complicated problem because of the influence of tunnel excavation and strata displacement induced by mining.
采煤塌陷区隧洞围岩稳定性，既受隧洞自身开挖的影响，又受洞下采煤引起地层移动的影响，是一个极其复杂的问题。
The monitoring results of the internal force and displacement of support structure for a subway deep excavation are analyzed.
对某地铁深基坑支护结构内力与变形监测结果进行了分析。
The traditional method which focuses on displacement, stress and yield zone has some difficulties in stability and reinforcement analysis during excavation in underground engineering.
地下工程的开挖稳定和加固分析是岩土工程中的难题之一。
Tunnel excavation will affect the safety of the surroundings, which induces the displacement and deformation of the above ground.
隧道开挖必然会对地表环境产生一些影响，使地表产生沉降和水平位移等。
The influence of rainfall and excavation on slope displacement is proven immediately by increasing slope deformation rate.
同时监测结果表明，降雨和开挖使边坡位移速率显著增大。
Regularities of stress, plastic region, and displacement in surrounding soil are studied and the optimal excavation method is put forward.
得出车站周围土体应力、塑性区和位移的基本变化规律，并确定最优开挖方案。
The lateral wall deflection is an important cause which results in ground surface displacement and settlement around an excavation.
深开挖工程中挡墙变形是引起基坑周围土体变形的重要因素之一。
In order to simulate the excavation process of soil in front of piles, the boards are taken down from top to bottom after the readings of displacement sensors and soil pressure cells are stable.
待位移传感器和土压力计读数稳定后，采用自上而下摘板的措施模拟桩前土开挖的施工过程。
In order to simulate the excavation process of soil in front of piles, the boards are taken down from top to bottom after the readings of displacement sensors and soil pressure cells are stable.
待位移传感器和土压力计读数稳定后，采用自上而下摘板的措施模拟桩前土开挖的施工过程。
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