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Bulletin of Engineering Geology and the Environment

Effect of silica powder on microbial-induced carbonate precipitation improvement of medium-coarse sand

  • 01-04-2023
  • Original Paper
Published in:
Authors
Yang Zhao
Shaojie Yang
Zhiyang Xiao
Wanyi Zhu
Fanyou Meng
Beibei Zhang
Mengnan Yuan
Published in
Bulletin of Engineering Geology and the Environment | Issue 4/2023

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Abstract

The article investigates the effect of silica powder on microbial-induced carbonate precipitation (MICP) for enhancing medium-coarse sand. MICP is a technique using bacteria to induce calcium carbonate precipitation, improving soil properties. The study focuses on the influence of silica powder on bacterial activity and calcium carbonate yield, showing that silica powder enhances bacterial retention and calcium carbonate production. This leads to improved soil strength and reduced permeability. The research also highlights the durability of MICP-treated sand with silica powder, making it a promising material for soil reinforcement in engineering projects.
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previous article Surrounding rock quality evaluation and application development for highway tunnel based on engineering applicability
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Title
Effect of silica powder on microbial-induced carbonate precipitation improvement of medium-coarse sand
Authors
Yang Zhao
Shaojie Yang
Zhiyang Xiao
Wanyi Zhu
Fanyou Meng
Beibei Zhang
Mengnan Yuan
Publication date
01-04-2023
Publisher
Springer Berlin Heidelberg
Published in
Bulletin of Engineering Geology and the Environment / Issue 4/2023
Print ISSN: 1435-9529
Electronic ISSN: 1435-9537
DOI
https://doi.org/10.1007/s10064-023-03110-w
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