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1)  Modified Burgers creep model
修正Burgers蠕变模型
2)  modified Burgers model
修正Burgers模型
1.
Based on the modified Burgers model,a viscoelastic mechanical model,which could be employed to research permanent deformation of asphalt mixtures under repeated load,was deduced.
基于修正Burgers模型推导了适用于重复荷载下沥青混合料永久变形规律的粘弹性力学模型,并利用该模型对AC20和SMA13沥青混合料三轴重复荷载永久变形试验结果进行了回归,获得了模型的参数,并对沥青混合料进行了永久变形规律的分析。
2.
In all mechanics models,modified Burgers model is considered relative correct and simple one;however this model is just coincident with static load,so can\'t distinguish the remained viscoelastic strain and viscous flow stain.
在常用的各种力学模型中,修正Burgers模型是目前公认相对准确而又简单的模型,然而该模型只对静态荷载下混合料蠕变特性适用,且不能将延迟粘弹性变形与粘性流动变形区分出来,以此进行车辙预估必然导致预估车辙偏大。
3)  H-P-C Burgers creep model
H-P-C Burgers蠕变模型
4)  creep model
蠕变模型
1.
Non-linear creep model of rock and parameter determination;
岩石试件非线性蠕变模型及其参数确定
2.
Study on nonlinear creep model for saturated sand;
饱和砂性土非线性蠕变模型试验研究
3.
Experimental study of creep model and failure characteristics of coal
煤岩蠕变模型与破坏特征试验研究
5)  burgers model
Burgers模型
1.
Creep-recovery experiment data was fitted by a four elements Burgers model,and the linearity correlat.
用4元素的Burgers模型拟合了体系蠕变-回复实验的数据,线性相关系数都在0 9以上。
2.
In order to describe the whole process of rock creep and the creep feature of rock subjected to water pressure and external force more exactly,the Burgers model describing the creep feature of rock was modified.
为了更好地描述岩石蠕变的全过程以及在水压与外力共同作用下的岩石蠕变规律,对描述岩石蠕变特性的Burgers模型进行了修正。
3.
The static creep curve character of asphalt mastics was analyzed,the head section and end section of the curve were fitted by sectioned linear fitting method,the parameters of asphalt mastics viscoelastic Burgers model were solved in the condition of shear creep,and sectioned linear fitting method was compared with traditional method.
分析了沥青玛蹄脂静态蠕变曲线的特点,应用分段拟合法对曲线的起始与末尾段进行线性拟合,研究了剪切蠕变条件下沥青玛蹄脂粘弹性Burgers模型参数取值,并与传统方法进行了对比。
6)  Mesri creep model
Mesri蠕变模型
1.
By Mesri creep model, using the Mindlin stress formula to calculate the stress induced by the load of pile; and using Boussinesq stress formula to calculate the stress induced by the load of raft; a simple but practical method for predicting l.
采用Mesri蠕变模型描述土体的蠕变行为,用桩的Mindlin应力公式计算桩端和桩侧荷载在桩端平面以下产生的附加应力,用Boussinesq应力公式计算承台分担荷载产生的应力。
2.
Based on those tests a shear stress-strain-time function, Mesri creep model, in which a hyperbola is adopted for shear stress-strain behaviour and power.
并在此基础上,给出了排水条件下粘性土的Mesri蠕变模型,即剪应力-应变关系采用双曲线模型,应变-时间关系采用幂函数来描述土体的弹粘塑性。
补充资料:模型修正
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性质:建立模型并作实验检验时,有时会发现该模型有系统性的偏差,表明该模型有缺陷,因而不能保持等效性。此时需要在模型中增补某些项以对模型进行修正。如在小尺寸设备中得到验证的并确定了模型参数的模型,在大尺寸设备中未能保持足够的等效性。此时必需增补某些项或调整某些参数值;又如催化剂因中毒而活性降低,此时也需要随时调整模型参数。

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