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Experimental Research on Recycled Concrete Road Base of Geopolymer Technology

  • Y. Zhuang
  • H. L. Xiao
Conference paper
Part of the Environmental Science and Engineering book series (ESE)

Abstract

This paper presents an experimental study on the physical and mechanical properties of porous ecological concrete by performing ten groups of tests. It shows that the coarse aggregate size, porosity, water-cement ratio, and admixture have significant effect on the strength of the porous ecological concrete. The pH value of the porous ecological concrete is effectively reduced to a certain range that is suitable for the growth of the vegetation. An optimized aggregate size from 15 mm to 25 mm, a water-cement ratio of 0.35–0.40 and the inclusion of the special admixture is introduced, so that the porous ecological concrete can have enough space for the vegetation growth and eligible strength for the structural application. The porous ecological concrete is also proved to be suitable for the growth of the vegetation.

Keywords

Porous ecological concrete Mix proportioning Admixture Experimental test 

Notes

Acknowledgements

The financial support of the National Natural Science Foundation of China (Grant No. 51478166), the financial support sponsored by Qing Lan Project, the Fundamental Research Funds for the Central Universities is acknowledged.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Key Laboratory of Ecological Remediation of Lakes and Rivers and Algal Utilization of Hubei ProvinceHubei University of TechnologyWuhanChina
  2. 2.Key Laboratory for RC and PRC Structures of Education MinistrySoutheast UniversityNanjingChina

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