dc.creator | Agapoulaki G.I., Papadimitriou A.G. | en |
dc.date.accessioned | 2023-01-31T07:30:26Z | |
dc.date.available | 2023-01-31T07:30:26Z | |
dc.date.issued | 2018 | |
dc.identifier | 10.1061/(ASCE)MT.1943-5533.0002377 | |
dc.identifier.issn | 08991561 | |
dc.identifier.uri | http://hdl.handle.net/11615/70293 | |
dc.description.abstract | Passive (site) stabilization is a novel technique for the mitigation of seismic liquefaction which uses low-pressure injection of colloidal silica in the pores of a granular soil. The applicability of colloidal silica as a grout relies on the control of its time-increasing viscosity. Current knowledge depicts silica type, percentage of silica by weight, pH, and salt (ion) normality as the controlling parameters of colloidal silica viscosity, whereas current practice requires case-specific viscosity measurements before in situ injection. This paper presents a set of viscosity measurements of widely different colloidal silica solutions which confirm literature findings and depict temperature as an additional controlling parameter. The wealth of these measurements enables a reliable statistical analysis, which leads to the proposal of a set of charts and equations for the approximate estimation of the time-increasing viscosity of colloidal silica solutions. This information is paramount for the design of the in situ injection process and its importance is demonstrated via indicative one-dimensional injection tests of colloidal silica in sand columns. © 2018 American Society of Civil Engineers. | en |
dc.language.iso | en | en |
dc.source | Journal of Materials in Civil Engineering | en |
dc.source.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85050196658&doi=10.1061%2f%28ASCE%29MT.1943-5533.0002377&partnerID=40&md5=c46f2a1ef7417064f0680a24e39c42ca | |
dc.subject | Grouting | en |
dc.subject | Liquefaction | en |
dc.subject | Mortar | en |
dc.subject | Parameter estimation | en |
dc.subject | Soil liquefaction | en |
dc.subject | Soil testing | en |
dc.subject | Stabilization | en |
dc.subject | Viscosity | en |
dc.subject | Viscosity measurement | en |
dc.subject | Approximate estimation | en |
dc.subject | Colloidal silica | en |
dc.subject | Controlling parameters | en |
dc.subject | Increasing viscosity | en |
dc.subject | Injection process | en |
dc.subject | Passive stabilization | en |
dc.subject | Rheological property | en |
dc.subject | Seismic liquefaction | en |
dc.subject | Silica | en |
dc.subject | colloid | en |
dc.subject | design | en |
dc.subject | grout | en |
dc.subject | grouting | en |
dc.subject | liquefaction | en |
dc.subject | rheology | en |
dc.subject | silica | en |
dc.subject | soil stabilization | en |
dc.subject | testing method | en |
dc.subject | viscosity | en |
dc.subject | American Society of Civil Engineers (ASCE) | en |
dc.title | Rheological properties of colloidal silica grout for passive stabilization against liquefaction | en |
dc.type | journalArticle | en |