Self-compacting concrete with recycled aggregates

被引：11
|
作者：
Larsen, O. [1 ]
Naruts, V [1 ]
Aleksandrova, O. [1 ]
机构：
[1] Moscow State Univ Civil Engn, Dept Technol Cohes Mat & Concretes, Yaroslayskoye Shosse 26, Moscow 129337, Russia
来源：
MATERIALS TODAY-PROCEEDINGS | 2019年 / 19卷
关键词：
Self-compacting concrete; Concrete waste; Recycled concrete aggregate; Filler; Water-to-binder ratio; Standard consistency; PERFORMANCE; COARSE;
D O I：
10.1016/j.matpr.2019.07.065
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents the results of research of self-compacting concrete produced with recycled concrete aggregates and activated filler. The physical and mechanical characteristics of coarse aggregate, grain distribution of aggregates and sand proportion in aggregate mix, design of self-compacting concrete mixture and it's structure properties with use mathematical experiment planning method were carried out. The results indicated that optimal content of filler is 22% with 150 min of activation and 0.5% content of organic admixture. Standard consistency of composite binder has decreased from 26.5% to 22.4%. The mathematical models can be used in the design of the self-compacting concrete mixture. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2023 / 2026
页数：4
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