Discussed are the basic principle and method of establishing mathematical models of main observation variables of concrete gravity dam 阐述了混凝土重力坝监测效应量数学模型建立的基本原理和方法。
Based on the theories of gray and concrete damage , the time - depended reliability of concrete gravity dam was analyzed and applied to the engineering 本文应用可靠性理论，基于灰色理论和损伤理论对混凝土重力坝进行时变可靠度分析，并将理论应用于实际工程。
5 . based on longtan project , temperature control and crack prevention of a typical overflow section block of the high rcc gravity dam is studied as a case study 以“十?五”国家电力公司科技攻关项目为背景，深入系统地进行了龙滩高碾压混凝土重力坝典型溢流坝段的温控防裂研究。
The second problem analyzed is seismic reliability of concrete dam , the artificial neural network model of seismic reliability of concrete gravity dam and concrete arch dam is proposed 第二个分析的问题是混凝土坝的抗震可靠度问题，应用人工神经网络技术建立混凝土重力坝和拱坝的抗震可靠度模型。
This paper does simulation analysis on temperature field of baise rcc gravity dam with the software ansys based on the theory of transient temperature field 摘要根据瞬态热传导三维有限元分析基本理论，利用大型有限元软件ansys对百色碾压混凝土重力坝溢流坝段一枯二枯施工期的温度场进行了实时仿真分析。
Coupled seepage and temperature fields in longtan roller compacted concrete gravity dam are analyzed by applying the mathematical model for coupled seepage and temperature fields in concrete dam 应用混凝土坝渗流场与温度场耦合分析的数字模型，进行了龙滩碾压混凝土重力坝稳定渗流场与稳定温度场的耦合分析。
In the light of the demand of design for the high rcc gravity dam of longtan project the research result has provided important basis and reference for the construction of longtan project which is about to start 该成果针对龙滩高碾压混凝土重力坝设计的需要，为即将开工的龙滩工程建设提供了重要的参考依据。
Dam 53 of yunfeng concrete gravity dam was computed using finite element method in this paper . considering that the axial length of the dam , it was treated as plane strain problem 本文采用有限单元法计算了云峰混凝土重力坝的53号坝段，由于云峰大坝沿轴线的长度较大，因此在有限元计算中可以作为平面应变问题来处理。
( 5 ) the author researches the seepage characteristics of longtan rcc dam by finite element method ( fem ) , and concludes the best suitable seepage control scheme of the dam after analysis in so many cases ( 5 )在对龙滩高碾压混凝土重力坝渗流特性进行分析时，就有关主要渗流影响因素进行众多计算工况的比较分析研究，得出大坝的最终优选渗控方案。
( 3 ) generally , dam and base are operated in material viscidity status . by studying on the creep model of dam concrete and base rock , and combined them together , the coupling model of these factors is bringing forward ( 3 )通过研究坝体混凝土徐变模型和坝基岩体的蠕变模型，并将两者有机结合，分别针对混凝土重力坝和拱坝，提出了考虑坝体徐变和坝基蠕变相互作用的组合模型。
