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1)  elastic-plastic-brittle theory
弹塑脆性理论
1.
So the elastic-plastic-brittle theory should be used in the stability calculation of the underground powerhouse that is in the rock mass with alternatively distributed soft and hard layers.
本文分别采用弹塑脆性理论和弹塑性理论对某地下厂房进行稳定性分析,结果表明对于软硬相间岩层中地下厂房的稳定性分析,如果仅考虑其弹塑性性质,其结果是偏危险的。
2)  elastoplastic-brittle
弹塑脆性
1.
Analysis of spherical cavities expansion in elastoplastic-brittle materials considering large strain;
弹塑脆性岩土材料中球形孔大应变扩张分析
2.
Solution to cylindrical cavities expansion in elastoplastic-brittle materials considering large strain;
弹塑脆性岩土材料中柱形孔扩张大应变解
3)  elasto-brittle-plasticity
弹脆塑性
4)  elastic-plastic theory
弹塑性理论
1.
Based on the twin shear unified strength theory,and using vertical deformation equality,lateral deformation harmony and continuum between granular column and surrounding pile soil in the composite foundation,bearing and(deformation) character of the composite foundation with granular columns is analyzed by the elastic-plastic theory.
基于双剪统一强度理论,并利用复合地基中碎石桩与桩周土的竖向位移相等,侧向变形协调与连续的条件,通过弹塑性理论,对碎石桩复合地基的承载及变形性状进行了分析研究,讨论了权系数b的大小对复合地基承载及变形性状的影响,推出了作用在复合地基上的荷载、碎石桩所分担的荷载及加固区压缩量与桩周土的塑性区半径的关系的系列解析算式。
2.
According to elastic-plastic theory and parametric variational princip.
为了了解边(壁)土体在未经支护前可能出现的变形趋势,采用数值流形方法,通过构造覆盖函数,将块体单元的形心位移与位移权函数有机结合起来,把每一个分割的块体视同为一个流形单元,通过权重函数来确定每一个块体单元在边坡流失时所起的作用即贡献值,依此来解析土体的应力 应变关系;应用弹塑性理论和参变量变分原理,建立了边坡(壁)土体变化趋势的状态方程,并给出了方程的求解过程。
5)  elastoplasticity theory
弹塑性理论
1.
By processing the experimental data witthin the framework of elastoplasticity theory, specific expressions for the yield function and hardening law have been obtained, and the elastoplasticity coupling law and flow rule have been verified.
在弹塑性理论的框架内对实验数据和资料进行了整理,得到了屈服函数和硬化规律的具体表达式,验证了弹塑性理沦的模型能足够精确地反映大理岩材料的力学性质。
6)  Elastoplastic theory
弹塑性理论
1.
According to the characteristics of weathered rock slope,the elastoplastic deformation of the rock mass under prestressed cable pier is analyzed based on elastoplastic theory,at the same time the layer-summation method is integrated to calculate the mechanic property of the rock mass and confirm the plastic area by D-P criterion.
从强风化岩质边坡的特点出发,运用弹塑性理论分析预应力锚索锚墩下岩体的弹塑性变形,同时结合分层总和法计算锚墩下的岩体力学性态,最终可以以D-P屈服准则确定岩土体的塑性屈服区域,以FLAC3D软件分析锚墩下的岩土体的弹塑性变形屈服特征。
2.
With the stress p increasing,the plastic area exposed;and the part beyond plastic part still is in elastic state;by using elastoplastic theory and volume-balance equation,a calculating formula of.
利用弹塑性理论和体积平衡原理,推导了嵌岩桩嵌岩段的极限强度以及嵌岩段的极限竖向承载力的计算公式,并将扩孔理论分析结果与实测试验资料进行分析对比,研究表明,该方法可以成为解决嵌岩桩实际工程问题的个性化工具。
补充资料:双硬度高回弹模塑泡沫塑料
分子式:
CAS号:

性质:一种高回弹泡沫塑料,同一制品具有两种硬度。生产方法有:①聚合物多元醇变量法,调节配方中的聚合物多元醇用量,以双混合头分两次浇注一次模塑成型;②异氰酸酯变量法,异氰酸酯组分使用改性MDI,发泡时瞬间改变异氰酸酯指数,两次浇注一次模塑成型。主要用于汽车座垫。

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