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Materials 2017, 10(2), 96; doi:10.3390/ma10020096

Development of Vegetation-Pervious Concrete in Grid Beam System for Soil Slope Protection

1
College of Civil Engineering, Shenzhen University, Shenzhen 518060, China
2
ARC Centre of Excellence for Geotechnical Science and Engineering, The University of Newcastle, Callaghan NSW 2308, Australia
3
School of Architecture and Built Environment, The University of Newcastle, Callaghan NSW 2308, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Jorge de Brito
Received: 16 October 2016 / Revised: 4 January 2017 / Accepted: 17 January 2017 / Published: 24 January 2017
(This article belongs to the Section Manufacturing Processes and Systems)
View Full-Text   |   Download PDF [4977 KB, uploaded 24 January 2017]   |  

Abstract

One of the most efficient and environmentally friendly methods for preventing a landslide on a slope is to vegetate it. Vegetation-pervious concretes have a promising potential for soil protection. In this study, the vegetation-pervious concrete with low alkalinity was developed and studied. Combined with a grid beam structure system, the stability and strength between the vegetation-pervious concrete and base soil are believed to be enhanced effectively. For improving plant adaptability, the alkalinity of concrete can be decreased innovatively by adding a self-designed admixture into the cement paste. The effects of the admixture content on alkalinity and compressive strength of the hardened pervious concrete were investigated using X-ray diffraction (XRD) and compression test, respectively. Meanwhile, the permeability of the vegetation-pervious concrete was studied as well. Through comparing with ordinary pervious concrete, the effect of low alkaline pervious concrete on vegetation growth was investigated in a small-scale field for ten weeks. The test results indicated that the alkalinity of the cement samples decreased with the increase of admixture content, and the vegetation grew successfully on previous concrete. By increasing the admixture content to approximately 3.6%, the compressive strength of pervious concrete was more than 25 MPa. View Full-Text
Keywords: vegetation-pervious concrete; alkalinity reduction; admixture; strength; permeability; slope protection vegetation-pervious concrete; alkalinity reduction; admixture; strength; permeability; slope protection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Bao, X.; Liao, W.; Dong, Z.; Wang, S.; Tang, W. Development of Vegetation-Pervious Concrete in Grid Beam System for Soil Slope Protection. Materials 2017, 10, 96.

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