An engineer's job, at least in theory, is to ensure things work, that the bridge stays up or the dam holds.
一个工程师的工作，至少在理论上，是保证设施的正常运转，如桥梁和大坝足够牢固。
Finally the possible failure mode and the corresponding reliability of the dam are obtained by the system reliability formula from the conditional probabilistic theory.
通过建立在条件概率基础上的体系可靠度公式，找出拱坝的最大可能失效模式与相应的可靠度。
Based on genetic programming (GP) theory, the mathematical modeling method of dam deformation monitoring is researched.
研究了基于遗传规划(gp)理论的大坝变形监测数学模型的建模方法。
By random vibration theory, the effects of dam height and foundation stiffness of gravity dam on its seismic response are studied.
应用随机振动理论，研究了坝高和坝基刚度对重力坝地震响应的影响规律。
The approach based on wavelet theory and phase space reconstruction for analyzing the law of time-dependent deformation of crack according to the observation data of dam is proposed.
本文基于小波分析理论和相空间重构技术，根据大坝裂缝的实测资料，提出了裂缝时变规律分析方法。
Based on the limit equilibrium theory and traditional safety factor method, the reliability theory is introduced to analyze the stability of tailings dam.
以极限平衡理论和传统的安全系数方法为基础，将可靠度理论引入尾矿坝稳定性分析中。
Therefore, it is very important that using even mature theory and method analyzing and evaluating the condition of leak and deformation, according to prototype observed data of earth-rock dam.
因而，根据土石坝原型观测资料，运用更成熟的理论和方法，对土石坝渗漏、变形等性态做出科学分析及评价，就显得极为重要了。
The theory and method of health diagnose for earth-rockfill dam are hot issues in the research domain of dam safety monitoring.
本文结合土石坝特点，应用力学和数学理论展开对土石坝健康诊断理论与方法的研究。
The stress analytic method of arch dam covers pure arch method, arch beam sharing method, finite element method, calculating method of shell theory and structural model test method.
拱坝的应力分析方法包括纯拱法、拱梁分载法、有限元法、壳体理论计算方法和结构模型试验法。
The formula presented is reasonable in theory and is helpful to the improvement of the techniques of dam construction and the accuracy of safety grade evaluation of dam buildings.
该公式在理论上有一定的合理性，有助于改进坝工技术，提高坝工建筑物安全等级评估的准确性。
Based on analyzing the mechanism of destabilization of crack in dam, the mutation model is established by use of catastrophe theory, and the criterion of the stability of crack is given.
在研究裂缝失稳机理及特征的基础上，应用突变理论，建立了裂缝的突变模型，并得出裂缝稳定性的判据。
Basic theory of nonlinear FEM analysis and its realization in ANSYS were studied. Accomplish stability analysis of high arch dam abutment based on nonlinear FEM analysis.
因此对大型结构分析软件ANSYS的三维非线性计算功能进行了深入研究，在此基础上完成了基于非线性有限单元法的高拱坝坝肩稳定计算分析。
The theory of arch dam design adopted at present can't illustrate the state of stress of the thin arch dam beyond the scope of elasticity.
当前采用的拱坝设计理论不能对薄拱坝超出弹性范围的应力状态进行恰当地描述。
Moreover, the comprehensive assessment method for behavior of earth-rockfill dam was established in a multi-pole fuzzy pattern on the basis of applying the theory of engineering fuzzy sets.
并应用工程模糊集理论，建立了土石坝实测性态多级模糊模式综合评价模型。
At present, there is only few research concerning the structural design theory of overflow concrete face rockfill dam.
目前关于溢流混凝土面板堆石坝的结构设计理论的研究尚不多，仅有少量的实验。
To monitor the height oftailings dam and forecast its trend, a designed method based on gray system theory to create the model of tailing dam saturation line is presented.
为了实现对尾矿坝浸润线高度进行实时在线监测及趋势预测，提出了用了灰色系统理论来对尾矿坝的浸润线数据建立灰色模型的方法。
The upper bound and lower bound theorem of classical plasticity theory and corresponding FEM is applied to analyze the bearing capacity of gravity dam for judging the stability of the dam.
应用结构塑性极限分析的上、下限定理及相应的有限元法分析重力坝的极限承载能力，以判断大坝的稳定性。
Based on the discrete-event simulation theory, the visualization and simulation of concrete dam construction system is developed by means of fixed time-step method.
基于离散事件仿真理论的混凝土坝施工系统，可视化和仿真开发通过固定时间步长法。
According to the theory for stability of motion, the failure of arch dam along the base is regarded as the problem of stability at extreme state of motion.
本文从运动稳定性的理论出发，认为拱坝沿建基面的强度破坏实质上是稳定性问题，属于极值点失稳。
With the basic theory of genetic algorithms, we establish genetic algorithms model of earth-rock dam settlement in which we use aging amount as basic effect factor.
运用遗传算法基本原理，以时效量作为基本影响因子，建立了土石坝沉降的遗传算法模型。
This paper introduced the equipment, theory and the quality control measures in hydraulic dredging and back filling earth dam construction.
阐述了水力冲填的设备性能、工作原理及水力冲填坝施工中的质量控制方法。
This paper analyzes the theory of earth dam cracking and slide in small reservoir and poses the method of prevention and treatment.
对小型水库土坝裂缝及滑坡机理进行了分析，提出了防止和处理办法。
Based on the temperature theory, ANSYS software is adopted to analyze the rule of the variation of the temperature field about the dam body before and after the reinforcement.
根据温度场有限元分析的基本原理，利用ANSYS软件分析了加固前后坝体温度场的变化规律。
The practical construction control procedure of concrete dam construction schedule and quality is brought out based on theory of cybernetics. The scheduling and quality monitoring model is proposed.
根据控制论的基本原理，建立了混凝土坝施工进度与质量实时控制的流程，研究了混凝土坝施工进度与质量实时预警模型。
The paper analyzes the significance of unit control theory in warping dam construction and introduces applied cases.
分析了单元控制论在淤地坝建设中的意义，并介绍了应用实例。
In this paper, dam subsidence is forecasted by means of the grey system theory, and the grey plane is mapped. Variance tests show that the forecasting accuracy is good.
本文利用灰色系统对土石坝沉陷进行了预测，绘出了灰平面，经后验差检验，预测精度达到一级。
The Optimum Control Theory is applied to establish the double objective model and energy model for dynamic optimization of arch dam.
本文用最优控制理论建立双目标模型与能量模型对拱坝进行动力优化分析，两模型综合考虑拱坝的安全性、经济性和稳定性。
The support vector machine based on statistical learning theory is applied to establish a time series model for simulating the monitoring data of dam seepage flow.
大坝渗流监测分析是大坝安全监控的重要内容，预测分析的难点之一在于渗流监测数据往往具有复杂的非线性特点。
The above theory and method are adopted to establish anisotropic strength criterion and make dynamic analysis for deep sliding surface of dam-rock foundation system.
在此基础上，对岩体各向异性强度准则及其数值实现方法进行研究，并编制相应的计算程序对坝体—岩基系统的深层滑动面进行动力分析。
The above theory and method are adopted to establish anisotropic strength criterion and make dynamic analysis for deep sliding surface of dam-rock foundation system.
在此基础上，对岩体各向异性强度准则及其数值实现方法进行研究，并编制相应的计算程序对坝体—岩基系统的深层滑动面进行动力分析。
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