基于改进的BP网络对邓肯张模型主要参数修正研究。
Research on main parameters modification of Duncan-Chang model based on the improved BP network.
邓肯-张E-B模型是岩土工程分析计算中常用的一种非线性弹性模型。
The Duncan-Chang E-B model, a nonlinear elastic model widely used in the geotechnical engineering, was chosen in this paper.
本文对土体采用邓肯-张非线性弹性模型编制了四节点等参元有限元程序ddkepl。
In this paper, four-nodal isoparametric element program DDKEPL by using Duncan's nonlinear-elastic model for soil is presented.
借助于邓肯-张非线性弹性模型对切线模量的处理方法，对M-C模型中的弹性模量进行了修正。
The elasticity modulus in Mohr-Coulomb model was modified by employing the processing method of tangential modulus in Duncan-Chang nonlinear model.
该模型参数确定简单，模型中参数都有确定的物理意义，是邓肯—张模型的推广。
This model parameter is defined simply, and the parameter all has definite physics meaning in the model, is Duncan -zhang model generalization.
模型参数可由邓肯-张模型参数换算。
The model parameters can be converted from the parameters of the Duncan-Chang model.
邓肯-张模型由于试验参数少，其物理意义明确，在很多理论计算、设计和实际工程中仍然广泛运用。
Duncan Zhang model, which has several parameters with definite physical meaning, is widely applied in theoretical calculation, design, and actual projects.
对非饱和砾质土心墙料做一组等应力比和等应力增量比为常数的试验，发现邓肯-张模型基本能反映该应力路径下的应力应变关系。
Analyzing the test results, the Duncan-Chang model can basically reflect the coarse grained soil's stress-strain relationship under the stress path of dam.
为了反映土的这一特性，本文提出了在应用邓肯-张模型分析土体破坏时的若干关键技术供应用时参考。
Some key techniques in applying Duncan-Chang model to analyze soil failure are conducted in this paper for reference.
本文结合室内试验结果，引入损伤的概念，考虑土的结构性，对邓肯—张模型进行了修正。
In this paper, basing on the results of soil tests, introducing the concept of damage, considering soil's structure, the author modify the Duncan - Chang model.
根据饱和重塑黄土的试验结果确定了邓肯-张模型及K -G模型的参数，可在黄土地区工程中得以应用。
According to the experimental results of saturated loess remodeling identified Duncan-chang and K-G model parameters and can be applied in the loess area project.
以几种土的试验结果为基础将本文模型及邓肯—张模型和软化模型进行了对比，结果表明本文模型能够更好地反映土的应力-应变关系。
The comparison of simulation results with test data for several kinds of soil shows that the proposed model can more precisely reflect the behavior of soil.
以几种土的试验结果为基础将本文模型及邓肯—张模型和软化模型进行了对比，结果表明本文模型能够更好地反映土的应力-应变关系。
The comparison of simulation results with test data for several kinds of soil shows that the proposed model can more precisely reflect the behavior of soil.
应用推荐