Study on Preparation of High Early Strength Recycled Aggregate Concrete

被引：0
|
作者：
Yin, Jian [1 ]
Song, Weimin [2 ]
Chi, Yi [2 ]
Zou, Wei [2 ]
机构：
[1] Cent South Univ Forestry & Technol, Civil Engn & Mech Inst, Changsha 410004, Hunan, Peoples R China
[2] Cent S Univ, Civil Engn Inst, Hunan 410075, Peoples R China
来源：
ADVANCES IN CIVIL INFRASTRUCTURE ENGINEERING, PTS 1 AND 2 | 2013年 / 639-640卷
关键词：
orthogonal design; HSRAC; mix design; water-binder ratio; recycled aggregate; regression model;
D O I：
10.4028/www.scientific.net/AMR.639-640.404
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
An orthogonal experimental design method was adopted for the mix design of high early strength recycled aggregate concrete (HSRAC), and the influence of water-binder ratio, percentage of recycled aggregate(RA) and highly active compound mineral admixture (HACMA) content on the strength of the concrete was discussed. The test results indicated that water-binder ratio was the most principal and significant influencing factor on the strength of HSRAC, regardless of age. An empirical relationship among the strength of HSRAC, the water-binder ratio, the percentage of recycled aggregate and HACMA content was proposed by using multivariate regression analysis. The demand of opening heavy or heavier traffics and rapid repair concrete on strength to HSRAC could be all met.
引用
收藏
页码：404 / +
页数：2
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