Micromechanical modeling of the influence of material properties on moisture-induced damage in asphalt mixtures

被引：70

作者：

Caro, Silvia ^{[1
]}

Masad, Eyad ^{[2
,3
]}

Bhasin, Amit ^{[4
]}

Little, Dallas ^{[3
,5
]}

机构：

[1] Univ Los Andes, Dept Civil & Environm Engn, Bogota, Colombia

[2] Texas A&M Univ, Zachry Dept Civil Engn, College Stn, TX 77843 USA

[3] Texas A&M Univ, Texas Transportat Inst, College Stn, TX 77843 USA

[4] Univ Texas Austin, Dept Civil Architectural & Environm Engn, Austin, TX 78712 USA

[5] Texas A&M Univ, Dept Civil Engn, College Stn, TX 77843 USA

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2010年 / 24卷 / 07期

基金：

美国国家科学基金会;

关键词：

Asphalt mixtures; Moisture damage; Parametric analysis; Micromechanics; Cohesive zone model; Adhesion; FRACTURE; JOINTS; FAILURE; WATER;

D O I：

10.1016/j.conbuildmat.2009.12.022

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents analysis of the effects of mechanical and physical material properties and loading conditions on the response of asphalt mixtures subjected to moisture diffusion processes. The analysis was conducted by using a finite element micromechanical model which couples the effects of moisture transport and mechanical loading. The maximum total force of resistance offered by the asphalt mixture microstructure model for a simulated displacement controlled load in the presence and absence of moisture was used as an indicator of its susceptibility to moisture damage. The results suggest that the diffusion coefficient of the asphalt matrix and aggregates, as well as the bond strength of the aggregate-matrix interface have the most influence on the moisture susceptibility of the materials. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1184 / 1192

页数：9

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