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Open AccessArticle

Waste-Based Pervious Concrete for Climate-Resilient Pavements

1
Institute of Materials Engineering, National Taiwan Ocean University, No. 2, Peining Rd., Keelung 202, Taiwan
2
Department of Harbor and River Engineering, National Taiwan Ocean University, No. 2, Peining Rd., Keelung 202, Taiwan
3
Department of Health and Leisure Management, LanYang Institute of Technology, No. 79, Fuxing Rd., Toucheng Township, Yilan 261, Taiwan
4
Department of Civil Engineering, National Ilan University, No. 1, Sec. 1, Shennong Rd., Yilan 260, Taiwan
*
Author to whom correspondence should be addressed.
Materials 2018, 11(6), 900; https://doi.org/10.3390/ma11060900
Received: 6 May 2018 / Revised: 24 May 2018 / Accepted: 25 May 2018 / Published: 27 May 2018
(This article belongs to the Special Issue Selected Papers from IEEE ICASI 2018)
For the sake of environmental protection and circular economy, cement reduction and cement substitutes have become popular research topics, and the application of green materials has become an important issue in the development of building materials. This study developed green pervious concrete using water-quenched blast-furnace slag (BFS) and co-fired fly ash (CFFA) to replace cement. The objectives of this study were to gauge the feasibility of using a non-cement binder in pervious concrete and identify the optimal binder mix design in terms of compressive strength, permeability, and durability. For filled percentage of voids by cement paste (FPVs) of 70%, 80%, and 90%, which mixed with CFFA and BFS as the binder (40 + 60%, 50 + 50%, and 60 + 40%) to create pervious concrete with no cement. The results indicate that the complete (100%) replacement of cement with CFFA and BFS with no alkaline activator could induce hydration, setting, and hardening. After a curing period of 28 days, the compressive strength with different FPVs could reach approximately 90% that of the control cement specimens. The cementless pervious concrete specimens with BFS:CFFA = 7:3 and FPV = 90% presented better engineering properties and permeability. View Full-Text
Keywords: porous materials; co-fired fly ash; permeability; green materials; cementless materials porous materials; co-fired fly ash; permeability; green materials; cementless materials
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MDPI and ACS Style

Ho, H.-L.; Huang, R.; Hwang, L.-C.; Lin, W.-T.; Hsu, H.-M. Waste-Based Pervious Concrete for Climate-Resilient Pavements. Materials 2018, 11, 900.

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