Review on geotechnical engineering properties of sands treated by microbially induced calcium carbonate precipitation (MICP) and biopolymers

被引：181
|
作者：
Choi, Sun-Gyu [1 ]
Chang, Ilhan [2 ]
Lee, Minhyeong [3 ]
Lee, Ju-Hyung [4 ]
Han, Jin-Tae [4 ]
Kwon, Tae-Hyuk [3 ]
机构：
[1] Natl Disaster Management Res Inst, Disaster Prevent Res Div, Ulsan, South Korea
[2] Univ New South Wales, Sch Engn & Informat Technol, Sydney, NSW, Australia
[3] Korea Adv Inst Sci & Technol KAIST, Dept Civil & Environm Engn, Daejeon, South Korea
[4] Korea Inst Civil Engn & Bldg Technol KICT, 238 Goyangdae Ro, Goyang, South Korea
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2020年 / 246卷
关键词：
Microbially induced calcite precipitation; Biopolymer treatment; Engineering properties; Calcium carbonate; Biopolymers; XANTHAN GUM BIOPOLYMER; UREOLYTIC BACTERIA; STRENGTH BEHAVIOR; SOIL IMPROVEMENT; DYNAMIC-RESPONSE; BIO-CEMENTATION; EROSION CONTROL; SHEAR BEHAVIOR; STABILIZATION; WATER;
D O I：
10.1016/j.conbuildmat.2020.118415
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This study reviews the fundamental mechanisms of biological soil improvement methods-microbially induced calcium carbonate precipitation (MICP) and biopolymer treatment (BPT). Extensive experimental data on various geotechnical properties of sands treated by MICP and BPT are compiled, including the unconfined compressive strength, Mohr-Coulomb shear strength parameters, and permeability. Furthermore, the variations in these engineering parameters are correlated to calcium carbonate content for MICP and biopolymer content for BPT, which provides insights into the extent of biological modification in engineering properties of sands, potential applications, and limitations. (C) 2020 The Authors. Published by Elsevier Ltd.
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页数：14
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