A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Analytical CPTU Solutions Applied to Boston Blue Clay
Representative piezocone penetration test (CPTU) soundings along with dissipation tests in structured Boston Blue clay (BBC) at the famous Saugus Station 246 site are used for a complete geo-characterization where strength, stress history, and flow parameters are interpreted using closed-form analytical solutions. The test site is underlain by an upper overconsolidated (OC) clay layer over a lower structured and sensitive normally consolidated (NC) layer. A modified hybrid spherical cavity expansion-critical state soil mechanics (SCE-CSSM) framework is utilized to obtain the operational rigidity index (IR), effective yield stress (σp'), and undrained shear strength (suTC) for the upper OC layer and lower NC structured layer, whereas the coefficient of consolidation (cvh) is evaluated using the piezo-dissipation results. The interpreted profiles of σp', IR, suTC, and cvh from CPTU soundings agree well with results from laboratory consolidation and triaxial testing.
Analytical CPTU Solutions Applied to Boston Blue Clay
Representative piezocone penetration test (CPTU) soundings along with dissipation tests in structured Boston Blue clay (BBC) at the famous Saugus Station 246 site are used for a complete geo-characterization where strength, stress history, and flow parameters are interpreted using closed-form analytical solutions. The test site is underlain by an upper overconsolidated (OC) clay layer over a lower structured and sensitive normally consolidated (NC) layer. A modified hybrid spherical cavity expansion-critical state soil mechanics (SCE-CSSM) framework is utilized to obtain the operational rigidity index (IR), effective yield stress (σp'), and undrained shear strength (suTC) for the upper OC layer and lower NC structured layer, whereas the coefficient of consolidation (cvh) is evaluated using the piezo-dissipation results. The interpreted profiles of σp', IR, suTC, and cvh from CPTU soundings agree well with results from laboratory consolidation and triaxial testing.
Analytical CPTU Solutions Applied to Boston Blue Clay
Agaiby, Shehab S. (author) / Mayne, Paul W. (author)
Geo-Congress 2022 ; 2022 ; Charlotte, North Carolina
Geo-Congress 2022 ; 465-478
2022-03-17
Conference paper
Electronic Resource
English
Analytical CPTU Solutions Applied to Boston Blue Clay
| TIBKAT | 2022
Analytical CPTU Solutions Applied to Boston Blue Clay
| British Library Conference Proceedings | 2022
Analytical solutions for evaluating CPTu soundings in overconsolidated Hartford clay
| TIBKAT | 2022
Application of two analytical CPTU solutions to sensitive clay in Québec
| TIBKAT | 2024