Behaviour of Compacted Clayey Silty Sand under Suction-Controlled Ring Shear Testing

2012 ◽  
pp. 39-46
Author(s):  
Laureano R. Hoyos ◽  
Claudia L. Velosa ◽  
Anand J. Puppala
Keyword(s):  
Silty Sand ◽  
Shear Testing ◽  
Ring Shear

Drained Shear Displacement Rates in Fully Softened Strength Torsional Ring Shear Testing

2020 ◽  
Vol 44 (5) ◽  
pp. 20200117
Author(s):  
Timothy D. Stark ◽  
Jack A. Cadigan ◽  
Navid H. Jafari
Keyword(s):  
Shear Displacement ◽  
Shear Testing ◽  
Ring Shear

Evaluation of ring shear testing as a characterization method for powder flow in small-scale powder processing equipment

2014 ◽  
Vol 475 (1-2) ◽  
pp. 315-323 ◽  
Author(s):  
Søren Vinter Søgaard ◽  
Troels Pedersen ◽  
Morten Allesø ◽  
Joergen Garnaes ◽  
Jukka Rantanen
Keyword(s):  
Powder Processing ◽  
Powder Flow ◽  
Small Scale ◽  
Shear Testing ◽  
Processing Equipment ◽  
Ring Shear

Ring Shear Testing of Deposited Coatings

2008 ◽  
pp. 320-320-9
Author(s):  
JW Dini ◽  
WK Kelley ◽  
HR Johnson
Keyword(s):  
Shear Testing ◽  
Ring Shear

Yield strength ratios, critical strength ratios, and brittleness of sandy soils from laboratory tests

2011 ◽  
Vol 48 (3) ◽  
pp. 493-510 ◽  
Author(s):  
Abouzar Sadrekarimi ◽  
Scott M. Olson
Keyword(s):  
Yield Strength ◽  
Critical State ◽  
Void Ratio ◽  
Triaxial Compression ◽  
Silty Sand ◽  
Strength Ratio ◽  
Critical Strength ◽  
Initial Void Ratio ◽  
Ring Shear ◽  
Particle Damage

In this study, we performed 26 undrained triaxial compression and 32 constant-volume ring shear tests on two clean sands and one silty sand. We then used these results to evaluate the critical states, and shear strength ratios mobilized at yield and at critical state. We obtained yield strength ratios that ranged from 0.16 to 0.32 and from 0.20 to 0.35 in triaxial compression and ring shear, respectively. Critical strength ratios mobilized prior to particle damage ranged from 0.01 to 0.26 in triaxial compression and from 0.04 to 0.22 in ring shear. Particle damage and shear displacement increased the slopes of the critical-state lines during ring shear testing, and consequently the critical strength ratios incorporating particle damage decreased from 0.02 to 0.12. In addition, specimen brittleness (before particle damage) increases with initial void ratio and state parameter and is affected by initial fabric and particle shape. However, particle damage and crushing considerably increases sand brittleness, making it essentially independent of initial void ratio. A unique relation is found between sand brittleness and critical strength ratio independent of sand type, mode of shear, fabric, and particle damage, which indicates an upper bound critical strength ratio of about 0.3 for mildly contractive sands.

scholarly journals Suction stress via thermo-servo/constant-water content ring shear testing

2019 ◽  
Vol 7 (2) ◽  
pp. 110-114
Author(s):  
Ujwalkumar D. Patil ◽  
Laureano R. Hoyos ◽  
Jairo E. Yepes ◽  
Anand J. Puppala ◽  
Surya S. C. Congress
Keyword(s):  
Water Content ◽  
Shear Testing ◽  
Suction Stress ◽  
Ring Shear

Residual shear strength of unsaturated soils via suction-controlled ring shear testing

2014 ◽  
Vol 172 ◽  
pp. 1-11 ◽  
Author(s):  
Laureano R. Hoyos ◽  
Claudia L. Velosa ◽  
Anand J. Puppala
Keyword(s):  
Shear Strength ◽  
Unsaturated Soils ◽  
Shear Testing ◽  
Residual Shear Strength ◽  
Ring Shear
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