Thermo-mechanical analysis of solidifying concrete slab of a bridge

被引：0

作者：

Yoshida, S ^{[1
]}

Endo, S ^{[1
]}

机构：

[1] Sumitomo Heavy Ind Ltd, R&D Ctr, Yokosuka, Kanagawa 2378555, Japan

来源：

COMPUTATIONAL FLUID AND SOLID MECHANICS 2003, VOLS 1 AND 2, PROCEEDINGS | 2003年

关键词：

thermo-mechanical interaction; concrete slab; solidification; time-dependent strain; time-dependent elasticity; bridge;

D O I：

暂无

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

When a concrete slab of a bridge is constructed, the concrete material is poured into each form consecutively. But due to a unique nature of the concrete material, the slab will experience a complex loading history. Namely, a concrete material will generate heat under a chemical reaction, when elastic modulus changes its value immediately after the pouring. It accompanies a volumetric shrinkage due to dry out, when the shrinkage strain is constrained by an adjacent already-solidified concrete slab and steel girder. This constrained shrinkage strain would trigger the crack propagation. In this paper, the process of heat transfer analysis of concrete slab is presented, then the process of thermal stress calculation will be presented.

引用

页码：1589 / 1591

页数：3

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