混凝土坝

基于GIS的混凝土坝施工可视化仿真技术及其应用

GIS-based Visual Simulation Methodology for Concrete Dam Construction Process and Its Application

基于DDA和FEM耦合方法的碾压混凝土坝抗震安全性分析

Seismic stability analysis of rolled compacted concrete dam based on approach of DDA coupled with FEM

基于Petri网的碾压混凝土坝施工系统耦合研究

Study on RCC Dam Construction System Coupling Based on Petri Net

在材料措施方面，深入研究高碾压混凝土坝基础约束区采用外掺Mgo措施，利用其微膨胀性能补偿坝体降温过程中产生的温度应力，以防止大坝纵向裂缝的发生。

In the dam foundation restraint area , MgO can be mixed into concrete to prevent dam longitudinal crack .

以混凝土坝内廊道结构为例，论述了廊道CAD软件设计中钢筋的模块化设计思想和解决模块间拼接技术难题的方法。

This paper instance gallery in concrete dams , discusses design idea of CAD software on blocks of steel bar of gallery and method of connect technology of the blocks is solved .

CSG坝是使用CSG材料填筑并采用碾压混凝土坝的施工工艺施工的一种新坝型。

CSG dam is a new dam type which use CSG material and constructed with craft of RCC .

基于OOM的混凝土坝浇筑施工模拟系统

OOM-Based Concrete-Dam Construction Simulation System

本文以Delphi为系统仿真开发工具，对碾压混凝土坝施工过程进行仿真，实现了以缆机为浇筑机械的施工方案比选。

Using delphi as a system simulation exploitation tool , this paper simulates the construction process of roller compacted concrete dam , and realizes the compare and choice of the construction schemes with the cable crane as the construction machine .

具体内容包括以下两个方面：（1）数值模型的合理性是进行FRP加固混凝土坝的模拟的基础。

The content of the paper covers the following two aspects : ( 1 ) In order to study the reinforcement effect of FRP in concrete dam , the constitutive models applied in the numerical simulation need to be demonstrated .

ANSYS在土坝渗流场和应力场及其耦合分析中的应用研究采用国际大型通用有限元软件ANSYS建模与自主开发主体计算程序相结合的办法来实现高寒地区碾压混凝土坝底孔温度应力的仿真计算。

The Application and Study of ANSYS on Seepage Field , Stress Field and Coupling Analysis for Earth Dam Through the adoption of finite element software ANSYS and simulation and analysis program to realize the calculation of high latitude RCC gravity temperature field stress field .

运用Markov随机过程理论描述了混凝土坝筑块浇筑的状态转移行为和特征，并通过隶属度进行了仿真稳态特性的判别及筑块转移概率的计算；

The theory of Markov stochastic process was used to describe the behaviors and characteristics of state transition for pouring dam-blocks , and the method of subjection degree was applied to evaluating the stable state characteristics of simulation and to calculating the probability of dam-blocks transition .

利用通用的商业有限元软件Marc与Fortran语言的接口，并运用Marc的死活单元技术和网格加密技术，编制了混凝土坝渗流场的正分析程序。

A new seepage analysis program for concrete dams is developed with the help of the interface between Marc , a commercial finite element software , and Fortran , including the techniques of inactive / active element and local closing element .

江垭大坝坝高131m，是目前世界上已建成的最高的全断面碾压混凝土坝。

The Jiangya dam , with the dam height of 131m , is the highest completed RCC dam in the world .

根据整体式碾压混凝土坝结构模型试验与电算分析结果，得出RCC层间薄弱面对结构应力影响的一般规律，并据此提出修改断面以节省材料的途径。

As the result of computational analysis and model test of roller compacted concrete dam , general rules were obtained according to the effect of wear-surface between layers on stress distribution , and the suggestion to modify the profile of dam was proposed upon economical consideration .

采用三维有限元法对某碾压混凝土坝（RCC）在施工导流期的应力场进行分析，着重校核了顶部未到设计龄期的碾压混凝土和大型导流底孔周边的应力分布；

Three dimension FEM is adopted in the stress analysis of a RCC gravity dam during the construction diversion period , which especially for clearing the stress distribution of the top area RCC concrete that under design RCC concrete age and around area of the large-scale bottom diversion outlet .

目前，碾压混凝土坝的规模和高度正在日益扩大，300m级的碾压混凝土重力坝和200m级的碾压混凝土拱坝的研究正方兴未艾，对碾压混凝土筑坝技术、施工工艺和机械化程度的要求也更高。

The scale and height of rolling-concrete are spread increasingly , such as the technique studied recently that the 300 meters high gravity dam and the 200 meters high arch dam , which requires more experience in the damming technique , construction crafts and mechanization .

此外，用广义Kelvin模型描述了混凝土坝的流变特性，由此建立了混凝土坝的流变参数反演分析的目标函数，并利用变尺度（DFP）算法进行了优化求解，研制了相应的反演分析程序。

In addition , the generalized Kelvin model is used to describe rheological behavior of concrete dam . On the basis of this , the object function is established to back analyze rheological parameters and is solved by variable metric method , and corresponding analysis program is developed .

试制和改进试制了30套ND-50核子密度仪，应用于十余个水利水电工程碾压混凝土坝的质量控制，总方量超过5×10~5m~3。

Thirty sets of ND-50 nuclear density gauge have been trial-produced or reproduced , and applied to control the quality in roller compacted concrete dam ( RCCD ) . for at least 5 γ 105 m3 in more than ten hydraulic and hydroelectric projects .

高混凝土坝两种典型枢纽布置型式比较

Comparison of Two Typical Key Layouts of High Concrete Dam Hydro-Junctions

关于可靠度理论应用于混凝土坝设计的问题

On the application of reliability theory to design of concrete dams

基于有限元法的混凝土坝安全稳定性评价

Evaluation of safety of concrete dam Based on finite element method

碾压混凝土坝施工浇筑系统仿真模型研究

Research on Concrete Pouring Simulation Model of RCC Gravity Dam Construction

东北几座混凝土坝老化与加固效果分析

Aging on several concrete dams in northeastern China and reinforcement analysis

混凝土坝裂缝混沌特性的初步研究

Primary Study on Chaos Characteristics of Crack in Concrete Gravity Dams

混凝土坝的复合式永久保温防渗板

Permanent compound plate of thermal and water insulation for concrete dams

混凝土坝仿真计算的并层算法和分区异步长算法

Zone-merged algorithm and zoned different-step-length algorithm in the concrete simulation calculation

混凝土坝浇筑块长度三维仿真敏感分析

Analysis on 3-D simulation sensitivity of placement length for concrete dam

高混凝土坝可压缩库水淤砂地基系统地震反应分析研究

The Analyses of Seismic Response of High Concrete Dam-Compressible Water-Sediment-Foundation Systems

寒冷地区全断面碾压混凝土坝的试验研究

Experimental study on construction of full-section RCC dam in cold areas

中国碾压混凝土坝的混凝土配合比研究

A study on concrete mix proportion of RCC dams in China