PMID- 35629613
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20220716
IS  - 1996-1944 (Print)
IS  - 1996-1944 (Electronic)
IS  - 1996-1944 (Linking)
VI  - 15
IP  - 10
DP  - 2022 May 17
TI  - Experimental Study on Mechanical Properties of Root-Soil Composite Reinforced by 
      MICP.
LID - 10.3390/ma15103586 [doi]
LID - 3586
AB  - Mechanical properties of undisturbed root-soil composites were investigated 
      through direct shear tests under different cementation concentrations by 
      microbially induced carbonate precipitation (MICP). The results show that MICP 
      has a significant strengthening effect on the undisturbed root-soil composite, 
      and the maximum shear strength increases by about 160% after grouting. The shear 
      strength of root-soil composites increases with the increase in calcium chloride 
      concentration, and the shear strength increases the most when the concentration 
      is 0.75M. Calcium carbonate formed by MICP treatment has cementitious properties, 
      which increases the cohesion and internal friction angle of the root-soil 
      composite by about 400% and 120%, respectively. The results show that it is 
      feasible to solidify slope and control soil erosion together with microbial and 
      vegetation roots. The research results can serve as a scientific basis and 
      reference for the application of MICP technology in vegetation slope protection 
      engineering.
FAU - Zheng, Xuegui
AU  - Zheng X
AD  - Science and Technology Department, Chongqing Vocational Institute of Engineering, 
      Chongqing 402260, China.
FAU - Lu, Xinyu
AU  - Lu X
AD  - School of Civil Engineering and Architecture, Chongqing University of Science and 
      Technology, Chongqing 401331, China.
FAU - Zhou, Min
AU  - Zhou M
AD  - School of Civil Engineering and Architecture, Chongqing University of Science and 
      Technology, Chongqing 401331, China.
FAU - Huang, Wei
AU  - Huang W
AD  - School of Civil Engineering and Architecture, Chongqing University of Science and 
      Technology, Chongqing 401331, China.
FAU - Zhong, Zhitao
AU  - Zhong Z
AD  - School of Civil Engineering and Architecture, Chongqing University of Science and 
      Technology, Chongqing 401331, China.
FAU - Wu, Xuheng
AU  - Wu X
AD  - School of Civil Engineering and Architecture, Chongqing University of Science and 
      Technology, Chongqing 401331, China.
FAU - Zhao, Baoyun
AU  - Zhao B
AUID- ORCID: 0000-0003-1303-1503
AD  - School of Civil Engineering and Architecture, Chongqing University of Science and 
      Technology, Chongqing 401331, China.
LA  - eng
GR  - 41302223/Zhao Baoyun/
GR  - cstc2020jcyj-msxm1078/Zhao Baoyun/
GR  - KJZD-K202101505/Zhao Baoyun/
GR  - 51908097/Huang Wei/
GR  - cstc2019jcyj-msxmX0258/Huang Wei/
GR  - ck2017zkyb013/Huang Wei/
GR  - ck2017zkyb010/Huang Wei/
GR  - 202111551003/Zhou Min/
PT  - Journal Article
DEP - 20220517
PL  - Switzerland
TA  - Materials (Basel)
JT  - Materials (Basel, Switzerland)
JID - 101555929
PMC - PMC9147924
OTO - NOTNLM
OT  - direct shear tests
OT  - microbial reinforcement
OT  - root-soil composite
COIS- The authors declare that there are no conflicts of interest in this paper.
EDAT- 2022/05/29 06:00
MHDA- 2022/05/29 06:01
PMCR- 2022/05/17
CRDT- 2022/05/28 01:28
PHST- 2022/03/09 00:00 [received]
PHST- 2022/04/16 00:00 [revised]
PHST- 2022/04/27 00:00 [accepted]
PHST- 2022/05/28 01:28 [entrez]
PHST- 2022/05/29 06:00 [pubmed]
PHST- 2022/05/29 06:01 [medline]
PHST- 2022/05/17 00:00 [pmc-release]
AID - ma15103586 [pii]
AID - materials-15-03586 [pii]
AID - 10.3390/ma15103586 [doi]
PST - epublish
SO  - Materials (Basel). 2022 May 17;15(10):3586. doi: 10.3390/ma15103586.