Review of strength improvements of biocemented soils

Y Xiao, X He, M Zaman, G Ma, C Zhao - International Journal of …, 2022 - ascelibrary.org
Microbially induced calcium carbonate precipitation (MICP) has attracted great attention
recently for its ability to improve the mechanical properties of soils. Calcium carbonate …

Unconfined compressive and splitting tensile strength of basalt fiber–reinforced biocemented sand

Y Xiao, X He, TM Evans, AW Stuedlein… - Journal of Geotechnical …, 2019 - ascelibrary.org
The strength properties of basalt fiber–reinforced biocemented (BFRB) sand specimens with
various calcite contents and fiber contents are investigated through a series of unconfined …

Homogeneity and mechanical behaviors of sands improved by a temperature-controlled one-phase MICP method

Y Xiao, Y Wang, S Wang, TM Evans, AW Stuedlein… - Acta Geotechnica, 2021 - Springer
Microbially induced carbonate precipitation (MICP) has been actively investigated as a
promising method to improve soil properties. A burning issue impeding its wide application …

Shear strength behavior and parameters of microbial gellan gum-treated soils: from sand to clay

I Chang, GC Cho - Acta Geotechnica, 2019 - Springer
Microbial biopolymers have recently been introduced as a new material for soil treatment
and improvement. Biopolymers provide significant strengthening to soil, even in small …

Review of the use of microorganisms in geotechnical engineering applications

KJ Osinubi, AO Eberemu, TS Ijimdiya, SE Yakubu… - SN Applied …, 2020 - Springer
Until recently, engineers either ignored or neglected the role of microorganisms in
geotechnical engineering. The microbially induced calcite precipitation (MICP) research …

Rainfall-induced erosion of biocemented graded slopes

Y Xiao, G Ma, H Wu, H Lu, M Zaman - International Journal of …, 2022 - ascelibrary.org
Microbially induced calcite precipitation (MICP), a newly green method, was investigated as
a possible solution to rainfall-induced erosion of sandy slopes. A series of model slopes …

Kinetic biomineralization through microfluidic chip tests

Y Xiao, X He, W Wu, AW Stuedlein, TM Evans, J Chu… - Acta Geotechnica, 2021 - Springer
A homogeneous microfluidic chip was used to investigate the pore-scale characteristics
during the process of microbially induced calcium carbonate precipitation (MICP). An image …

Microbial‐Induced Carbonate Precipitation for Strengthening Soft Clay

JZ Xiao, YQ Wei, H Cai, ZW Wang… - … in Materials Science …, 2020 - Wiley Online Library
Currently, calcite produced in sediments by microbial‐induced carbonate precipitation
(MICP) is mainly used as a strengthening binder in sand because sands are porous and …

Accounting for evolving pore size distribution in water retention models for compacted clays

G Della Vecchia, AC Dieudonné… - … for Numerical and …, 2015 - Wiley Online Library
Water retention in compacted clays is dominated by multi‐modal pore size distribution which
evolves during hydro‐mechanical paths depending on water content and stress history. A …

Characterization of microstructural and physical properties changes in biocemented sand using 3D X-ray microtomography

A Dadda, C Geindreau, F Emeriault, SR Du Roscoat… - Acta Geotechnica, 2017 - Springer
An experimental study has been performed to investigate the effect of the biocalcification
process on the microstructural and the physical properties of biocemented Fontainebleau …