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。
The typical visualization examples for earth - rock dam , gravity dam and bridge are shown . moreover , the process of landslide is simulated successfully by ar , and the result is realistic 针对土石坝、重力坝、桥梁设计等典型工程，给出了可视化应用实例，并应用扩充现实技术模拟滑坡过程，使得结果更为逼真。
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。
The shape of cross section of gravity dams under basic loads was optimized from an initial quadrilateral region with the stability of dam bodies against sliding and the tensile stress in dam heels taken as restraints 以四边形为初始域，以重力坝的稳定和坝踵拉应力为约束条件，对基本荷载作用下的重力坝基本断面形状进行优化。
Abstract : in this paper , the earthquake movement of the dam foundation and dynamic response of structures are simulated as stochastic process and the seismic response of gravity dam is studied by random vibration theory 文摘:本文用随机过程模拟坝基地震动输入及结构动力响应，运用随机振动理论进行二维重力坝结构地震动力分析。
No . 15 fault of yunfeng dam is a low angle one . its space structure is very complex . had not been disposed thoroughly during the period of construction , it has become the control factor in yunfeng hydroelectric project 云峰宽缝重力坝右f _ ( 15 )断层为一个顺河向、缓倾角大断层，空间结构非常复杂，是影响大坝安全运行的控制因素。
