混凝土围堰

恶滩水电站4机基础开挖形成40m左右的高边坡，开挖过程中，边坡上部的纵向混凝土围堰不断出现横向和纵向裂缝，监测资料表明其有明显的水平和垂直位移。

A lot of transverse and longitudinal cracks appear in the concrete cofferdam in course of the excavation of the basis of the unit No. 4 in E'tan hydropower station .

碾压混凝土围堰爆破拆除震动安全分析

Analysis on vibration safety in blasting demolition of roll compact concrete cofferdam

利用类似工程爆破建立的爆破地震速度反应谱，采用ANSYS通用程序对三峡工程三期碾压混凝土围堰拆除爆破地震作用厂房坝段动力响应进行了计算。

This paper using the blasting vibrant velocity response spectrum of the similar blasting project and the ANSYS program carried through the dynamical response calculation of power houses dam under the vibration by blasting demolishing the third period RCC cofferdam of Three Gorges Project .

三峡右岸碾压混凝土围堰施工温度场仿真分析

Study on Temperature Field of RCC Gravity Cofferdam of TGP During Construction

三峡工程三期碾压混凝土围堰爆破法拆除的若干问题

Some Problems about Demolishing the Rolled-Compacted Concrete Cofferdam in Three Gorges Engineering by Blasting

三峡工程碾压混凝土围堰施工若干重大技术问题研究

Research of the key techiques for roller compacted concrete cofferdam in Three Gorges Project

三峡三期碾压混凝土围堰拆除爆破研究

Study on blasting demolition of third-stage roll compact concrete cofferdams in the Three Gorges

三峡工程三期上游碾压混凝土围堰拆除方案与实施

Demolition Scheme and Implementation of the Third Stage Upstream RCC Cofferdam for Three Gorges Project

混凝土围堰较多用于纵向围堰、横向高围堰及过水围堰。

Concrete cofferdams are mostly used for longitudinal cofferdams , high transversal cofferdams and overflow cofferdams .

混凝土围堰拆除爆破切口参数计算与翻转运动分析

Calculation of blast cut parameters for demolition of a concrete cofferdam and Analysis on turnover movement of the cofferdam body

本文系统地介绍了三峡工程中的关键项目之一碾压混凝土围堰施工过程中若干重大技术问题的研究成果。

The research results of the key techniques for roller compacted concrete ( RCC ) cofferdam construction of the Three Gorges Project ( TGP ) are presented in this paper .

三峡工程采用三期导流，明渠通航，三期碾压混凝土围堰挡水发电的施工导流方案。

A construction diversion scheme , including diversion in three stages , navigation through open channel and pounding and power generation by the third - stage RCC cofferdam , was adopted for the Three Gorges Project .

提出用爆破法拆除三峡工程三期碾压混凝土围堰设计与研究中的某些重要问题，可供从事该项工作有关人员参考。

Some important points about design and investigation of explosive demolishing the rolled-compacted concrete cofferdam in the third stage engineering of the Three Gorges are put forward , which can be referred to the relevant engineers .

进行了该工程的总体施工方案设计，重点介绍主桥58墩基础钢&混凝土围堰、60墩基础钢套箱围堰、主桥悬臂浇灌施工的方法与方案。深水桥基双壁钢套箱围堰施工

There emphasize the steel cofferdam methods in the base of pier 58 # and 60 # , as well as the cantalever pour method for the main beam . Construction Around Bridge Foundation of Steel-box with Double-wall in Depth Water

在右岸一期工程施工中，对施工控制性网络计划起控制作用的是一期土石围堰、纵向混凝土围堰、导流明渠及三期上游碾压混凝土围堰基础部位，作者简要介绍了其施工进展情况。

This article summarizes the recent construction progress of stage - ⅰ rock-earth cofferdam , the longitudinal concrete cofferdam , the diversion channel and stage - ⅲ upstream RCC cofferdam , which are the critical parts to stage - ⅰ right-bank construction schedule of the Three Gorges Project .

用动力有限元程序LS-DYNA对长江三峡水利枢纽工程三期碾压混凝土横向围堰爆破拆除进行了数值模拟。

Numerical simulation has been carried out for blasting demolition of rolling compact concrete cofferdam in crosswise direction of which belongs to the third term of the Three-gorge project using dynamic finite element program LS-DYNA .

混凝土纵向围堰控制爆破拆除及减震措施

Demolition of longitudinal concrete cofferdams by controlled blasting and vibration - damping measures

三峡工程碾压混凝土纵向围堰设计

Design of RCC Longitudinal Cofferdam for TGP

三峡工程二期上下游横向围堰与混凝土纵向围堰共同形成基坑，保证二期工程施工。

The second stage foundation pit of the TGP will be bounded by the upstream and downstream transverse cofferdams and the longitudinal concrete cofferdam .

介绍了大源渡航电枢纽工程河中混凝土纵向围堰上游连接段水下拆除爆破的成功经验。

Successful experiences in blasting demolition of an underwater cofferdam of Dayuandu power station is introduced briefly , which are useful for the designing other similar blasting demolition project .

在三峡工程混凝土纵向围堰上游端部拆除前后的爆破试验和施工爆破过程中，对混凝土大坝及其周围建（构）筑物的关键部位进行了振动测试。

During the blasting test and construction blasting of the upstream longitudinal concrete cofferdam of Three Gorges Project , vibration monitoring was conducted at the key locations of concrete dam and its surrounding structures .

双混凝土防渗墙围堰的应力应变特性

The Deformation and Stress Characteristics of Cofferdam with Double Concrete Impervious Walls

静压注浆与钢筋混凝土护圈组合围堰的应用

Application of Combined Cofferdam of Static Pressure Grouting and Reinforced Concrete Cage

青岛海湾大桥海中承台混凝土套箱围堰施工

Construction of Cofferdam of Concrete Pouring Jacket of Pier Base of Qingdao Sea Bay Bridge in the Sea

三峡工程二期混凝土防渗墙围堰初步设计方案的应力应变计算

Stress-Strain Analysis of Preliminary Design Scheme of 2nd-Stage Cofferdam With Concrete Diaphragm Walls of the Three Gorge Project

该文结合兰州市新城黄河大桥的施工实践，介绍了沉入式混凝土套箱围堰的设计、制作及在深水承台施工中的施工技术与方法。

Combined with the construction practice of Xincheng Huanghe River Bridge in Lanzhou City , the article introduces the design and manufacture of sunken concrete casing box cofferdam , and its construction technique and method in the deep water base slab construction .

三峡工程二期围堰混凝土防渗墙是围堰工程成败的关键。

The concrete impervious wall for the second phase cofferdam in the Three Gorges Project is the key to the cofferdam .

自密实堆石混凝土在拱坝、围堰、港口等结构中有广泛的应用前景。

Among the rock-filled arch bam , cofferdam , port , etc , the self-compacting rock-filled concrete ( RFC ) appears to be a prospect of future development .