Biomediated control of colloidal silica grouting using microbial ...
2023年8月30日 · Colloidal silica grouting is a ground improvement technique capable of stabilizing weak problematic soils and achieving large reductions in soil hydraulic...
Stabilisation of subsoil using colloidal silica beneath shallow ...
2024年10月23日 · The properly executed injection grouting using chemical components was observed to be an effective measure to stabilise the subsoil by enhancing its engineering properties to a certain extent. The key factors that can affect the performance of colloidal silica-based chemical grout and precautions to be considered during soil stabilisation are ...
The Utilisation of Colloidal Silica Grout in Soil Stabilisation and ...
2021年1月3日 · Colloidal silica in sand strengthens the soil and enhances the liquefaction mitigation with numerous applications in soil mechanics and foundation engineering. Applications include impermeable barriers, dam foundation, stabilising soils to prevent liquefaction in trenches, constructing sites, and developed sites (Persoff et al. 2002 ; Gallagher ...
Stabilization of Liquefiable Soils Using Colloidal Silica Grout
2007年1月1日 · Passive site stabilization is a new technology proposed for nondisruptive mitigation of liquefaction risk at developed sites susceptible to liquefaction. It is based on the concept of slowly injecting colloidal silica at the edge of a site with subsequent delivery to the target location using natural or augmented groundwater flow.
Stabilization of Liquefiable Soils Using Colloidal Silica Grout
2007年1月1日 · Passive site stabilization is a new technology proposed for nondisruptive mitigation of liquefaction risk at developed sites susceptible to liquefaction. It is...
State-of-the-Art of Colloidal Silica-Based Soil Liquefaction
2019年12月18日 · To increase liquefaction resistance and limit the potential deformations of ground soil, one of the most popular soil improvement techniques is densification. Dynamic compaction, vibro-compaction, and explosive compaction have been extensively adopted to densify soil to mitigate liquefaction risk.
Soil improvement to counter liquefaction using colloidal silica grout ...
2019年3月1日 · determine the effects of colloidal silica grout injection regarding soil strength and deformations. The experiments involved static and dynamic triaxial tests on untreated...
Soil Improvement Study Using Colloidal Silica Injection
2018年11月15日 · In this study, effects of colloidal silica injection into the soil in terms of soil strength and rigidity are studied. Soil samples were analyzed and found to have a grain size...
Physical and Numerical Model of Colloidal Silica Injection for Passive ...
2004年8月1日 · Several aspects need to be investigated, including (i) the ability of the colloidal silica solution to permeate the porous material in a uniform manner, (ii) the potential of incomplete coverage as a result of soil heterogeneities and flow instabilities, and (iii) the control of the groundwater flow pattern by means of injection and extraction ...
Biomediated control of colloidal silica grouting using microbial ...
Colloidal silica grouting is a ground improvement technique capable of stabilizing weak problematic soils and achieving large reductions in soil hydraulic conductivities for applications including earthquake-induced liquefaction mitigation and groundwater flow control.
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