Modelling of concrete at high strain rate

被引：0

作者：

Georgin, JF ^{[1
]}

Reynouard, JM ^{[1
]}

Merabet, O ^{[1
]}

机构：

[1] INSA Lyon, URGC Struct, Villeurbanne, France

来源：

COMPUTATIONAL MODELLING OF CONCRETE STRUCTURES, VOLS 1 AND 2 | 1998年

关键词：

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A viscoplastic model is concerned in this paper, viscosity allows on one hand, to avoid the habitual mesh sensitivity because strain softening is taken into account in the rheological model and on the other hand, to represent the free water effect inside the material which is partly responsible for increasing of strength. Simulation of a dynamic compressive test shows that inertial effect can lead to increase the visible stress. Viscosity and inertial forces as well contribute to delay the damage material.

引用

页码：593 / 601

页数：9

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