The precision of ice dam model reaches 80%.
冰坝模型精度达到了80%。
In consideration of the difficulty of monitoring internal deformation in dam model tests, a new optical fiber sensor based on fiber Bragg grating (FBG) technology has been developed.
考虑到大坝模型试验中内部变形难以监测的现状,研制了一种新型的基于光纤布拉格光栅(FBG)技术的光纤传感器。
Establishing an interpretative model evaluating dam behaviour is the key to realization of automated dam safety monitoring.
建立大坝性状的解释性模型是实现监测自动化的关键。
The result shows that the new model is very useful in research of dam crack openings data analysis.
实例表明,此新模型具有较高的预报精度,在大坝安全分析中有较广阔的应用前景。
Furthermore, model test of Xiluodu's high arch dam is studied and the. Result of stress and displacement is presented in this paper.
此外,本文对溪洛渡高拱坝进行了应力模型试验研究,给出了试验得到的应力、变位结果。
The establishment of a predicting model of monitoring variables is important to dam safety monitoring and analysis.
监测物理量预测模型的建立是大坝安全监测分析中的重要问题。
The failure process of the model was simulated by RFPA2D software. Simulation results show three failure modes of gravity dam, such as surficial slide, deep slide and mixed slide.
利用岩石破坏过程分析软件——RFPA2D对该模型进行数值模拟,模拟结果显示了重力坝破坏的三种模式:表层滑动、深层滑动及混合滑动。
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。
The discharge capacity of shaft spillway with framed inlet tower used for high tailings dam is studied by physical model.
介绍了用于高尾矿坝的具有圆形框架式进水塔的竖井排洪道泄流能力模型试验研究。
This paper describes the model test for stability of the Changzhao rubble masonry dam with concrete mortar.
本文介绍了长诏水库混凝土砌石坝的稳定性模型试验的情况。
Using the circular arc Swedish method in tailing pond dam body stability analysis, the paper establishes the computation geometry model, calculates the dam body safety coefficient.
运用圆弧条分法对尾矿库坝体稳定性进行了分析,建立了计算几何模型,计算出坝体安全性系数。
The numerical calculation result of the consolidation process of warping clay in the blanket crack of a small dam is verified by model test and engineering practice.
对某水库土坝水平铺盖裂缝处淤填黏土固结过程的数值计算结果通过室内模型试验得到了验证。
This paper uses the combined finite-discrete element method with smeared rotating crack model to analyze the seismic rupture process simulation of concrete gravity dam under the action of earthquake.
应用联合有限-离散元法结合弥散式旋转裂缝模型分析了地震作用下混凝土重力坝动力破坏过程。
The paper calculates the deformation and the stress of dam body and face for concrete faced rock fill dam with non-linear finite element method and taking Shenzhujiang model as rock fill body model.
文中采用非线性有限元分析方法,并运用沈珠江模型作为堆石体本构模型对面板堆石坝坝体及面板做应力和变形计算。
Artificial damping boundary is adopted in seismic model test of arch dam on shaking table to simulate the radiation damping effect due to energy dissipation in infinitive foundation.
在振动台上进行拱坝动力模型试验时,设置人工阻尼边界,以模拟地震时地震动能量向无限远域地基逸散的地基幅射阻尼效应。
This paper sets up the model of the simulation via the analysis of the system of the Three Gorges concrete dam construction, and gives the ideas of system design and the simulation_software structure.
通过对三峡大坝混凝土施工系统分析,建立了相应的仿真系统模型,给出了仿真软件的系统设计思想及功能框架。
The application of the model to dam foundation ageing analysis of the right section of the Xin'anjiang Dam shows that the model is reliable, practical, and fast in calculation.
将该模型应用到新安江大坝右坝段坝基老化分析中,结果表明所建立的模型可靠实用,求解速度较快。
Build the geometric model of arch dam according to the parameterization. Carry the visualization design of decision-making system out by using the visualization program VB. NET.
按照参数化原则,建立了参数化的拱坝模型,利用可视化编程语言vb.net,实现了高拱坝体形优化决策系统的可视化设计。
The forecast model of dam deformation is set up on the basis of the time alignment decomposition method.
基于时间序列分解法建立大坝变形预测模型。
Therefore, the dynamic gray forecast model had higher value than static model in dam deformation forecast.
因此,动态灰色预测模型在大坝变形的预测预报中比静态预测模型具有更高的应用价值。
Through analysis of formation cause and taking some actual observation data from a earth-rock dam, a seepage flow monitoring model was set up base on neural nets.
通过对土石坝渗流的成因分析,应用人工神经网络原理,并结合某土石坝的实测资料建立了渗流监控模型。
Therefore, we must analyze at fast these data errors and decide gross errors and insure the data reliability when we create the dam safety monitoring model by using survey data.
利用观测资料建立安全监测模型,必须首先对资料进行误差分析,确定粗差以保证资料的可靠性。
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。
The dynamic response of a concrete dam before and after strengthening has been simulated by the embedded slip model and the reinforcement stiffening model respectively.
基于此,本文应用嵌入式滑移模型和钢筋刚化模型模拟混凝土重力坝配筋前后的地震动力响应,据此评价坝面配筋措施的抗震效果。
A concrete dam deformation forecasting model is established based on the particle swarm optimization (PSO) algorithm and the traditional multi-statistical regression model.
将粒子群算法引入大坝安全监控领域,并结合多元回归统计模型,建立基于粒子群算法的混凝土坝变形预报模型。
To reduce the above deviation, the concept of rupture length is introduced into the fault-rupture model, but the attenuation is quite different from practical dam.
为了克服上述偏差,断层-破裂模型引进了破裂长度的概念,但其衰减与实际资料出入较大。
The results suggest that it is feasible to carry out maths modelling of the overflow dam flow with the maths model established in this paper.
模型试验验证结果表明,采用本文建立的数学模型对溢流坝水流进行数值模拟是可行的。
Based on artificial neural network, thermal parameter feedback analysis model of RCC dam during construction period has been established.
基于人工神经网络的方法,建立了碾压混凝土坝施工期热学参数反馈分析模型。
According to rock soil engineering properties and dynamic character of the ash dam of Anyang Power Plant, the dynamic analytical model is set up by the finite element method.
根据安阳电厂灰坝岩土工程性质及其动力学特性,建立了适合灰坝工程的动力分析模型并采用有限元法进行了动力分析。
According to rock soil engineering properties and dynamic character of the ash dam of Anyang Power Plant, the dynamic analytical model is set up by the finite element method.
根据安阳电厂灰坝岩土工程性质及其动力学特性,建立了适合灰坝工程的动力分析模型并采用有限元法进行了动力分析。
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