Through the back-analysis of a computing example, the design optimization of pile-strut bracing structure of deep foundation pit is presented based on reliability analysis.
为了进行支护结构的可靠性设计，探讨了随机变量对支护结构设计的影响，并给出了进行支护结构计算的实例。
With the offset data obtained by in-situ construction method monitoring, the mechanical feature parameters of surrounding rock are obtained with optimal back-analysis method.
利用反演分析求得的围岩力学参数，应用有限元法对该工程的施工过程围岩稳定性进行了分析计算。
The Bureau of Economic Analysis (BEA) revised its numbers back through the recession, revealing a downturn more serious than previously understood.
美国经济分析局（BEA）更改了经济萧条期间的数据，新数据显示出比预期更为严重的经济萧条。
Introducing the method of optimizing back analysis using displacement and summarizing the elastoplastic model.
对位移反分析方法作了介绍，并对各种弹塑性模型进行了总结。
Through the author's effort, program BMP has the function of fore analysis and back analysis to the tunnel rock wall, it changes into a relatively perfect system.
BMP程序对隧道围岩具有正分析和反分析功能，并且通过作者的努力，其成为了一个比较完善的系统。
The new back analysis method of physics and mechanics parameters of surrounding rock was established by uniform design, calculus of differences and fuzzy artificial neural networks in this paper.
基于均匀设计、差分法和模糊人工神经网络建立了新的隧道围岩物理力学参数反分析方法。
This paper also discusses the influence on the results of back analysis due to the error of fetched value of elasticity constant and the stability study of underground powerhouse.
文中还讨论了弹性常数取用值误差对位移反分析计算成果的影响和地下厂房稳定性研究等问题。
After that, the displacements and stress field are analyzed with the back analysis results.
然后利用反分析得出结果，对围岩的应力与变形进行了分析。
Finally, for a practical project, an experiment of temperature field of a cubic concrete block is made on construction site and the back analysis for unknown parameters is carried out.
结合实际工程，在工程现场进行了立方体混凝土块温升试验和用有限元对其某些温度特性参数进行了反演分析。
The displacement calculated by FEM with parameters obtained from back analysis was close to the measured value.
利用反演得到的岩体力学参数进行有限元正分析所得位移与现场实测结果更加接近。
The idea of the optimization arrangement of measuring-line can be applied to another back analysis of measured displacements.
解决思路可以推广应用到其他位移反分析问题的测线布置优化。
On construction site, observation, back analysis and feedback analysis are done, the corresponding effective methods of construction and measures of heat preservation are put forward in time.
现场观测并现场反分析，由反演的结果进行反馈分析，且及时地提出有关有效的施工方法和温控措施的建议。
Based on equivalent deformation assumption the back analysis model of determining the viscoelastic parameters of the effect zones is established.
依据变形等效原理，建立了层面影响带的粘弹性参数的反分析模型。
NATM in the underground powerhouse project involves surrounding rock deformation monitoring and back analysis of observed data.
在地下厂房工程中新奥法的实施贯穿了围岩变形监测和监测资料的反馈分析。
With the measured data, the parameters of equivalent circle zone can be obtained by back analysis of soil displacement.
在有实测位移的情况下，可运用位移反分析法较准确地获取等代层的参数。
It is of great significance to study high embankment settlement back analysis and prediction.
因此，研究高速公路高填方路基沉降反分析与预测具有重要的意义。
In addition, statistical and deterministic mathematical models are used for back analysis of equivalent temperature linear expansion coefficient based on the prototype monitoring data.
此外，基于原型观测资料，利用统计模型和确定性模型对碾压混凝土的等效温度线膨胀系数进行了反演分析。
Aiming at practice in site, the new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks.
结合现场实践，基于差分法和人工神经网络建立了新的围岩力学参数反分析方法。
The interval parameter perturbation method and the interval parameter back analysis method are studied, and the interval parameter monotony back analysis method is presented.
研究了区间参数摄动法和区间参数优化反分析法，提出了区间参数单调性优化反分析法。
The new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks in this paper.
基于差分法和人工神经网络建立了新的硐室围岩力学参数反分析方法。
What's more, bearing capacities of partially inclined piles, inclined pile-groups and partially inclined piles due to pit excavation are also studied based on the parameters from the back analysis.
同时还对局部倾斜桩、倾斜群桩及基坑开挖导致的局部倾斜桩的竖向承载力进行了分析。
This case shows the method can be applied to the back analysis and identification of the material parameters for concrete dam.
实例表明，随机反分析方法能较好地应用于混凝土坝材料参数的反演和识别中。
The Optimization back analysis of foundation pit soil body's parameter is studied in software ANSYS.
本文采用有限元分析软件ANSYS的优化技术对基坑土体参数进行了优化反分析。
The model of traditional approaches for back analysis of displacements is very complex and it is rather difficult to solve them.
各种传统位移反分析方法的反分析模型非常复杂，求解亦非常困难。
The purpose is to estimate settlement using the measurement data and to verify the application of back analysis by finite element analysis.
研究的目的是利用预测手段推算出未来沉降，验证有限单元法反分析方法的适用性。
The pattern that will help to judge the state of seepage line and provide theoretical criterion for taking safety measures, can be obtained by back analysis.
通过反演方法可以得到浸润线的时空模式，并进而判断浸润线状态，为采取安全措施提供理论依据。
It's important to select an optimum method in displacement back analysis.
在位移反分析中优化方法的选择十分重要。
It's important to select an optimum method in displacement back analysis.
在位移反分析中优化方法的选择十分重要。
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