Field trials of microbially induced desaturation in low-plasticity silt

DM Moug, KR Sorenson, A Khosravifar… - … of Geotechnical and …, 2022 - ascelibrary.org
Field trials of microbially induced desaturation (MID) were conducted at two sites in Portland,
Oregon underlain by liquefiable fine-grained soils. MID is an emerging method for mitigating …

Soil stabilization with microbially induced desaturation and precipitation (MIDP) by denitrification: a field study

C Zeng, LA Van Paassen, J Zheng… - Acta Geotechnica, 2022 - Springer
A field trial was performed to test the feasibility of microbially induced desaturation and
precipitation (MIDP) by denitrification for the stabilization of a silty soil. Indigenous nitrate …

Accelerated surface carbonation of non-plastic silt mixed with hydrated lime

AP Gallant, SKB Hossen, D Botero-Lopez… - Transportation …, 2024 - Elsevier
Chemical stabilization via hydration reactions with cement or lime is a universally applied
method to improve the mechanical properties of shallow soils. Accelerated soil carbonation …

Accelerated carbonation of non-plastic soils mixed with hydrated lime: index properties influencing binder formation rate and mechanical improvement

A Gallant, SB Hossen, W Ashraf - Canadian Geotechnical …, 2024 - cdnsciencepub.com
Chemical stabilization—the mixing of additives like cement, lime, or fly-ash with soil to
improve its mechanical properties—conventionally relies on hydration reactions to generate …

Microbial-induced desaturation and precipitation in stratified soils with fine sand and silt layers

P Kwon, D Karmacharya, E Kavazanjian Jr, CE Zapata… - Acta Geotechnica, 2024 - Springer
A tank test was performed simulating two-dimensional planar flow conditions at a meter
scale to evaluate the effectiveness of microbial-induced desaturation and precipitation …

A new method and instrument for measuring in situ gas diffusion coefficient and gas coefficient of permeability of unsaturated soil

S Feng, JX Sun, LT Zhan, HW Liu - Journal of Geotechnical and …, 2023 - ascelibrary.org
A new method and instrument were developed for in situ measurement of the gas diffusion
coefficient (D g) and gas coefficient of permeability (kg) of unsaturated soil. Air containing …

Microbial-induced desaturation in stratified soil conditions

EG Stallings Young, N Mahabadi, CE Zapata… - International Journal of …, 2021 - Springer
A feasibility study was performed to assess the potential of microbially induced desaturation
and precipitation (MIDP) through denitrification to reduce the risk of earthquake-induced …

Model prediction of cyclic liquefaction resistance of gassy soils

L Mele, F Marinelli, S Lirer, A Flora - Acta Geotechnica, 2024 - Springer
The resistance to liquefaction of soils can be significantly increased by slightly reducing the
degree of saturation. Many experimental studies demonstrated that the augmented …

Effects of Pore-Size Distribution on the Gas Diffusion Coefficient and Gas Permeability of Compacted Manufactured Sand Tailing–Bentonite Mixtures

S Feng, SF Huang, JL Jiang, LT Zhan… - … of Geotechnical and …, 2023 - ascelibrary.org
Gas permeability (ka) and gas diffusion coefficient (D p) are vital for controlling gas transport
through earthen landfill cover overlying municipal solid wastes or acid mine tailings. Soil …

Evaluation of instability of quasi-saturated sand with entrapped gas due to decreasing total confining stress

Z Shi, S Tong, M Huang - Engineering Geology, 2021 - Elsevier
The collapse of quasi-saturated sand with entrapped air due to decreasing total confining
stress under undrained conditions has been widely reported in engineering practice. This …