Undrained shear strength of clean sands to trigger flow liquefaction: Reply

2001 ◽  
Vol 38 (3) ◽  
pp. 654-657 ◽  
Author(s):  
M Yoshimine ◽  
P K Robertson ◽  
C E (Fear) Wride
Keyword(s):  
Shear Strength ◽  
Undrained Shear Strength ◽  
Flow Liquefaction ◽  
Undrained Shear

Evaluation of Flow Liquefaction and Liquefied Strength Using the Cone Penetration Test: an update

2021 ◽  
Author(s):  
Peter Robertson
Keyword(s):  
Shear Strength ◽  
Large Strain ◽  
Strength Loss ◽  
Undrained Shear Strength ◽  
Technical Note ◽  
Published Data ◽  
Recent Experience ◽  
Case Histories ◽  
Flow Liquefaction ◽  
Undrained Shear

Robertson (2010a) outlined a method to evaluate the susceptibility of soils to undrained strength loss that could result in flow liquefaction as well as a method to estimate the resulting liquefied undrained shear strength of predominately sand-like soils using the CPT. Based on published data and recent case histories this technical note describes a recommended update to the Robertson (2010a) method to estimate the large strain liquefied or remolded undrained shear strength for both sand-like and clay-like soils as well as soils and that transition from sand-like to clay-like. The proposed update acknowledges that soil behavior can vary from sand-like to clay-like and that CPT interpretation to estimate large strain undrained shear strength changes due to the changing drainage conditions during the CPT. The updated method builds upon previously published data combined with recent experience and case histories.

scholarly journals Evaluation of Undrained Shear Strength of Miocene Clay from the Weight Sounding Test (WST)

2017 ◽  
Vol 62 (2) ◽  
pp. 367-384
Author(s):  
Sebastian Olesiak
Keyword(s):  
Shear Strength ◽  
Field Testing ◽  
Field Investigation ◽  
Undrained Shear Strength ◽  
Cohesive Soils ◽  
Strength Parameters ◽  
Additional Measurement ◽  
Carpathian Foredeep ◽  
Innovative Solution ◽  
Undrained Shear

Abstract Soil strength parameters needed for the calculation of bearing capacity and stability are increasingly determined from field testing. This paper presents a method to determine the undrained shear strength cuWST of the soil, based on the Weight Sounding Test (WST). The innovative solution which allows for a significant reduction of equipment needed for geotechnical field investigation is presented. The proposed method is based on an additional measurement of the torque during testing. It then becomes possible to estimate the undrained shear strength, cuWST of the soil, using the correlation given in this paper. The research results presented in this paper were carried out on selected cohesive soils, Miocene clays from the Carpathian Foredeep.

Sign in / Sign up

Export Citation Format

Share Document