The effect of different admixtures on the basic properties of recycled pervious concrete

被引：0
|
作者：
Liang J. [1 ]
Du X. [2 ]
Liu P. [1 ]
Shi J. [1 ]
机构：
[1] School of Structural Engineering, Agricultural University of Hebei, Baoding
[2] Institute of Urban and Rural Construction, Agricultural University of Hebei, Baoding
来源：
Chemical Engineering Transactions | 2017年 / 59卷
关键词：
D O I：
10.3303/CET1759060
中图分类号：
学科分类号：
摘要：
In this paper, we tested the effects of different admixtures at different dosages on compressive strength and water permeability of recycled pervious concrete. Through the research status-quo analysis of recycled pervious concrete at home and abroad, we determined the mix ratio for test use: water-cement ratio of 0.28, design porosity of 20%, recycled aggregate gradation of 5-10mm and 15-20mm, respectively. The effects of different admixtures at different dosages (i.e. fly ash, silica fume, polypropylene imitation steel fibres) on compressive strength and water permeability were investigated. The results show that all of the three admixtures can simultaneously increase the compressive strength to a certain extent and decrease the permeability coefficient. Our research findings provide an alternative of admixtures and their dosage in promoting the practical utilization of recycled pervious concrete. Copyright © 2017, AIDIC Servizi S.r.l.
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页码：355 / 360
页数：5
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