开挖

根据检测结果，选取18个防腐层缺陷点进行开挖验证，证实ECDA准确率为100%。

According to the detection results , 18 coating defects points are selected to excavate , confirming ECDA accuracy rate was 100 % .

松动与定向结合开挖干拢石方

Combined loosening blasting with oriented blast-ing to excavate interferential stoneworks

当他们到达绳子的末端时，就知道要开挖了。

When they reached the end of the string , they knew to dig up .

本文亦分析了考虑开挖过程的安置斜撑与带支撑的双排桩支护结构

The double-row piles with both inclined and horizontal bolsters also analyzed in consideration of staged excavation .

基于GIS的地下开挖沉陷计算的有限层法及数据场表达

Flem for ground subsidence calculation and data field expression model based on GIS

非开挖PE穿管修复法的允许缩径

Permission Reducing Diameter of Non-excavation PE Pipeline Inserting Renovation Method

并利用Marc死活单元控制功能模拟洞室的开挖过程；

The proceeding of excavation is imitated by using dead-live elements in Marc .

地下室开挖不当引起PHC管桩事故的分析

Analysis on Fault PHC Pile because of Unreasonable Excavation

超大超深基坑大开挖与PHC群桩保护综合技术

Comprehensive Construction Technology for the Ultra-large and Ultra-deep Foundation Pit Excavation and PHC Group Piles Protection

介绍了微差预裂爆破和微差密孔预裂爆破在CMICT码头高边坡开挖工程中的应用。

The application of MS-delay pre-splitting blasting and MS-delay close-drilling pre-splitting blasting in the high rock slope excavation for CMICT dock was introduced .

针对深基坑工程设计中所需的各种土参数，特别是抗剪强度参数C和Φ值进行了分析，并依据不同的土体性质、排水条件和开挖条件，提出不同试验方法。

The soil coefficients of deep foundation reinforcing engineering , especially soil shear strength index of C and φ value are analyzed , and the different testing methods are proposed according to various soil qualities , dewatering and excavating conditions .

采用Visualc++的面向对象语言编程方法设计了一个关于地下结构虚拟开挖的计算分析软件，软件采用基于三棱柱的数据模型，探讨了三棱柱切割的方式。

Visual C + + programs have been designed to describe the virtual excavation of the subterranean structures using object-oriented language . Date models basing on triangular prism were adopted in programs . Incising of triangular prism was investigated .

埋深大、线路长的隧洞采用TBM施工，已成为国际上快速开挖隧洞的主流。

TBM is commonly used for deep buried and long tunnels and becomes prevailing technique for tunnel excavation in international practices . The total length of No.

刚度矩阵采用空气单元方法处理，开挖荷载采用Mana方法计算。

The air element method is used in the stiffness matrix calculation , and the Mana method is adopted to calculate the excavation load .

分析了基坑开挖后无支护计算及模拟情况，根据工程的实际情况，介绍了基坑开挖后组合支护工程的设计及计算，并利用有限元分析软件ANSYS进行了变形模拟，得出了一些结论。

It analyzes calculation of no-support after digging and its simulation , and introduces design and calculation of composite support according to practical condition of engineering , simulates its deformation applying for ANSYS and obtains some conclusion .

结合某基坑土钉支护实例，采用FLAC3D对土钉在开挖过程中的受力性能进行了模拟和分析。

In this paper , the authors analyze internal forces of a soil nail system during excavation using FLAC3D .

基于ANSYS软件，以有限元法模拟了台址自然边坡及拟合球冠开挖形成的弧形层状边坡在自重力和地震力作用下的应力、变形特征；

Base on the ANSYS software , using the finite element method to simulate the characters of the stress and deformation of the nature slope and the arc-excavating slope , which are caused by the gravity and earthquake force .

通过ANSYS软件建立地下厂房网格模型，运用自行研制的ANSYS-FLAC3D转换程序将网格模型导入FLAC3D软件进行施工开挖过程模拟。

This paper through establishes underground plant grid model by ANSYS , it to transforms the grid model to FLAC3D by ANSYS-FLAC3D program .

基于北京地区深基坑开挖的实例，对多层土加两道钢支撑一道锚杆情况做了相应的FLAC数值模拟计算及分析。

Combined with the practical conditions in Beijing deep excavation , the instance of the multi-soil with two steel supports and one anchor was calculated and analyzed by FLAC in this article .

采用FLAC3D程序，以小浪底工程为背景对其开挖过程在多因素影响下进行了大量计算工况的二维数值模拟。

The excavation process of underground cavern groups is simulated with the example of Xiaolangdi Project by using FLAC3D program , in which different influencing factors are considered .

本文用DruckerPrager模型和基于直接约束的接触算法模拟了超深嵌岩地下连续墙支护深基坑开挖全过程。

All thirteen excavation stages of a super deep foundation pit braced by rock-socketed diaphragm wall are simulated in this article using Drucker-Prager soil model and contact algorithm based on direct control method .

建造在软土地基中的1号竖井位于上海市中心，采用地下连续墙法施工，直径为28m，深30m，开挖深度为18.7m。

With 28m in diameter and 30m in depth located in the centre area of Shanghai , and was built on soft clay foundation using diaphragming method with excavation depth of 18.7m .

一期开挖边坡，全部采用预裂爆破，预裂深15～28m，总进尺40万m。

For the first stage excavation , a presplit blasting method was applied , with a presplit depth of 15 - 18 m and a total drill length of 400 , 000 m.

采用了新的开挖荷载计算方法，并在ADINA程序的基础上编制了一个能模拟实际开挖全过程的空间有限元分析程序；

The new method of predicting loading during excavation is used in this paper . Consequently , according to the ADINA program , a finite element analysis procedure able to simulate all the stages during construction of practical excavation is programmed .

提出了一种深基坑开挖弹塑性有限元分析模型以及建立在该模型基础上的WHP反演算法和预报方法。

A kind of elastic plastic modulus of soils in the deep excavation pit is presented , and a WHP back analysis model and the displacement prediction method of retaining wall are given .

采用基于Dijkstra算法的极限平衡有限元法研究两种方案受节理岩体影响的右岸坝肩边坡岩体开挖后的稳定性以及可能产生的滑动模式和机理，得到边坡的稳定安全系数。

Limit equilibrium finite element method based on Dijkstra arithmetic is adopted to study the stability and the possible sliding pattern and mechanism of right excavated dam shoulder slope affected by jointed rock mass in two projects , and stability safety factor of the slope is worked out .

在此基础上，分析总结了浅埋隧道开挖引起的纵向地表移动与变形的一些基本规律，得出沿隧道纵向开挖只对工作面前后一定范围（2R）地表建筑物产生明显影响的结论。

Based on these , some basic regularization of ground surface movement and deformation in longitude along tunnel due to its excavation are summarized , and a conclusion that only ground surface buildings in the range of 2R on working face are influenced obviously by tunnel excavation is drawn .

针对基坑开挖对临近地下管线的影响这一课题，利用Winkler弹性地基梁理论，建立了受基坑开挖影响的地下管线竖向位移与水平位移方程；探讨了地下管线位移按两端固定支座梁计算的合理性；

The research is conducted in this paper on the effect of deep excavation on the nearby underground pipeline , as follows : firstly , based on the elastic theory of Winkler , the equations of vertical and horizontal displacements of underground pipeline affected by deep excavation are founded ;

建立土钉支护的非线性有限元模型，土体本构采用多种本构模型，钉土之间采用Goodman单元模拟，能够模拟基坑的开挖与支护的施工过程。

A nonlinear finite element model ( FEM ) has been developed for the analysis of soil - nailed support system . Meanwhile several kinds of constitutive model were chosen for the nonlinearity and inelasticity of soil , and the Goodman element was adopted for the soil-nail interface .

CMICT码头（招商国际集装箱码头）土石方工程开挖量约590万m3，爆区周边有玻璃厂和300多幢年代不同、结构不等的村民房屋。

About 5.9 millions m ~ 3 of rock were blasted in the excavation of CMICT ( China Merchants International Container Terminal ) Dock . Near the blast area there are a glass factory and about 300 village houses with different structures and ages .