Numerical analysis of the early age behavior of concrete structures with a hydration based microplane model

被引：37
|
作者：
Lee, Yun [1 ]
Kim, Jin-Keun [2 ]
机构：
[1] Ewha Womans Univ, Coll Engn, Dept Architecture, Seoul 120750, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Civil & Environm Engn, Taejon 305701, South Korea
来源：
COMPUTERS & STRUCTURES | 2009年 / 87卷 / 17-18期
关键词：
Early age; Cracking; Hydration; Microplane model; Finite element analysis; Concrete structure; BRITTLE-PLASTIC MATERIAL; STRENGTH; FRACTURE; M4;
D O I：
10.1016/j.compstruc.2009.05.008
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
To simulate the early age behavior of concrete structures composed of young concrete, a finite element analysis (FEA) was implemented with the hydration based microplane model. Structural behaviors were investigated with concrete age for a massive concrete wall and slab. From FEA, it was found that surface cracking at early age occurred via different crack driving mechanisms. In the case of combined hydration heat and shrinkage, later surface cracking was produced by differential drying shrinkage. A numerical analysis performed with the hydration based microplane model successfully simulated the typical cracking patterns due to edge restraint in the concrete slab. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1085 / 1101
页数：17
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