An Improved Constitutive Statistical Damage Model of a Multisize Polypropylene-Fiber-Reinforced Concrete Under Compression

被引：5
作者：
Yang, X. [1 ]
Liang, N. [2 ,3 ]
Liu, X. R. [2 ,3 ]
Zhong, Z. [2 ,3 ]
机构：
[1] Fujian Univ Technol, Sch Civil Engn, Fuzhou 350108, Fujian, Peoples R China
[2] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
[3] Chongqing Univ, Minist Educ, Key Lab New Technol Construct Cities Mt Area, Chongqing 400030, Peoples R China
来源：
MECHANICS OF COMPOSITE MATERIALS | 2019年 / 55卷 / 03期
基金：
中国国家自然科学基金;
关键词：
polypropylene-fiber-reinforced concrete; statistical damage; correlation coefficient; MECHANICAL-PROPERTIES; PERFORMANCE; SHRINKAGE; CRACKING;
D O I：
10.1007/s11029-019-09819-8
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
To study the effect of multisize polypropylene fibers on the compression characteristics of concrete cubes, ten sets of polypropylene fiber-reinforced concrete test pieces were designed and fabricated to obtain their stress-strain curves and mechanical parameters at different ratios of coarse and fine fibers. Results for the cubes with multisize fibers were better than for those with to single-size ones. Based on test results, an improved statistical damage constitutive model for such a material is proposed.
引用
收藏
页码：385 / 392
页数：8
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