State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization

Bio-cementation is a recently developed new branch in Geotechnical Engineering that deals with the application of microbiological activity to improve the engineering properties of soils. One of the most commonly adopted processes to achieve soil bio-cementation is through microbially induced calcite...

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Main Authors: Mujah, D., Shahin, Mohamed, Cheng, L.
Format: Journal Article
Published: 2016
Online Access:http://hdl.handle.net/20.500.11937/34573
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author Mujah, D.
Shahin, Mohamed
Cheng, L.
author_facet Mujah, D.
Shahin, Mohamed
Cheng, L.
author_sort Mujah, D.
building Curtin Institutional Repository
collection Online Access
description Bio-cementation is a recently developed new branch in Geotechnical Engineering that deals with the application of microbiological activity to improve the engineering properties of soils. One of the most commonly adopted processes to achieve soil bio-cementation is through microbially induced calcite precipitation (MICP). This technique utilizes the metabolic pathways of bacteria to form calcite (CaCO3) that binds the soil particles together, leading to increased soil strength and stiffness. This paper presents a review of the use of MICP for soil improvement and discusses the treatment process including the primary components involved and major affecting factors. Envisioned applications, potential advantages and limitations of MICP for soil improvement are also presented and discussed. Finally, the primary challenges that lay ahead for the future research (i.e. treatment optimization, upscaling for in-situ implementation and self-healing of bio-treated soils) are briefly discussed.
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spelling curtin-20.500.11937-345732017-09-13T15:41:41Z State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization Mujah, D. Shahin, Mohamed Cheng, L. Bio-cementation is a recently developed new branch in Geotechnical Engineering that deals with the application of microbiological activity to improve the engineering properties of soils. One of the most commonly adopted processes to achieve soil bio-cementation is through microbially induced calcite precipitation (MICP). This technique utilizes the metabolic pathways of bacteria to form calcite (CaCO3) that binds the soil particles together, leading to increased soil strength and stiffness. This paper presents a review of the use of MICP for soil improvement and discusses the treatment process including the primary components involved and major affecting factors. Envisioned applications, potential advantages and limitations of MICP for soil improvement are also presented and discussed. Finally, the primary challenges that lay ahead for the future research (i.e. treatment optimization, upscaling for in-situ implementation and self-healing of bio-treated soils) are briefly discussed. 2016 Journal Article http://hdl.handle.net/20.500.11937/34573 10.1080/01490451.2016.1225866 restricted
spellingShingle Mujah, D.
Shahin, Mohamed
Cheng, L.
State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization
title State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization
title_full State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization
title_fullStr State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization
title_full_unstemmed State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization
title_short State-of-the-art review of bio-cementation by microbially induced calcite precipitation (MICP) for soil stabilization
title_sort state-of-the-art review of bio-cementation by microbially induced calcite precipitation (micp) for soil stabilization
url http://hdl.handle.net/20.500.11937/34573