CFD-DEM modeling of seepage in foam-conditioned soil

R Zeng, S Wang, Y Zhang, T Qu - Computers and Geotechnics, 2025 - Elsevier
Soil conditioning with foam agents can reduce the permeability of virgin soils and mitigate
the risk of uncontrollable mud gushing during the excavation of Earth Pressure Balanced …

Consequence and interaction of foaming agent components on soil conditioning of gravel-clay strata for EPB shield tunnelling

G Jin, Y Lu, JS Shiau, M Huang, F Lai… - … and Underground Space …, 2025 - Elsevier
Soil conditioning of gravel-clay strata using foams for earth pressure balance (EPB) shield
tunnelling is less well understood compared to conditioning for clay or sand strata. This lack …

[HTML][HTML] Estimation of foam (surfactant) consumption in earth pressure balance tunnel boring machine using statistical and soft-computing methods

V Amirkiyaei, MH Kadkhodaei, E Ghasemi - Journal of Rock Mechanics …, 2024 - Elsevier
The use of foam, as the most economical soil conditioning technique, in earth pressure
balance tunnel boring machine (EPB-TBM) tunneling projects has significant effects on …

Effect of water pressure on time-dependent permeability characteristics of sand conditioned with foam and bentonite slurry

S Wang, F Ling, Q Hu, T Qu… - Canadian Geotechnical …, 2024 - cdnsciencepub.com
During earth pressure balance shield tunnelling in water-rich sandy ground, both foam and
other conditioning agents, such as bentonite slurry, are injected to prevent water spewing …

Active learning-based research of foaming agent for EPB shield soil conditioning in gravel stratum

C Wang, W Zhao, Q Bai, X Wang - Measurement, 2025 - Elsevier
Injecting soil conditioner into the soil during EPB shield construction is crucial for soil
enhancement. Foam agent consumption is common but developing their composition and …

[PDF][PDF] Journal of Rock Mechanics and Geotechnical Engineering

V Amirkiyaei, MH Kadkhodaei, E Ghasemi - 2024 - researchgate.net
abstract The use of foam, as the most economical soil conditioning technique, in earth
pressure balance tunnel boring machine (EPB-TBM) tunneling projects has significant …