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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52233

Title: Properties of Low Water-Cement Ratio and High Compressive Strength Pervious Concrete
Authors: M. C. Chi
J. J. Chang
W. Yeih
Contributors: 國立臺灣海洋大學:河海工程學系
Keywords: Compressive Strength
Low Water/Cement Ratio
Pervious Concrete
Properties
Date: 2018-09
Issue Date: 2019-06-13T06:53:28Z
Publisher: Materials Science Forum
Abstract: Abstract: The purpose of this study is to discuss the properties of low water/cement ratio and high compressive strength pervious concrete. Two sizes of air-cooling electric arc furnace slag (EAFS), for the same size of 0.24 - 0.48 cm and 0.48 - 0.96 cm, were prepared as the coarse aggregates. Two water-to-cement ratios and three filled percentages (70, 80, and 90%) of voids by cement pastes were selected as variables. The unit weight, connected porosity, water permeability coefficient, compressive strength, and flexural strength of pervious concrete were conducted. Test results show that the pervious concrete with higher filled percentage of voids by cement paste has higher unit weight, compressive strength, and flexural strength and smaller connected porosity and water permeability coefficient. The lower the water/cement ratio and EAFS size, the superior the properties. At the water/cement ratio of 0.25, pervious concrete with EAFS size of 0.24 – 0.48 cm and 90% filled percentage of voids by cement pastes had the highest compressive strength of 35 MPa and flexural strength of 7 MPa.
Relation: 932 pp.136-140
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52233
Appears in Collections:[河海工程學系] 期刊論文

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