... 2022 granite residual soil hollow cylinder torsional shear test specimen preparation strength anisotropy disturbance cementation References Avşar , E. , Ulusay   R. , Aydan   Ö. , and Mutlutürk   M. . 2015 . “ On the Difficulties of Geotechnical Sampling...

...Abdülhakim Zeybek In geotechnical engineering, triaxial testing is widely adopted to evaluate the mechanical behavior of sand. Methods of specimen preparation for triaxial tests on dry and completely saturated sand are well established in the literature, whereas very little guidance exists...

...Jiarui Chen; Scott M. Olson; Soham Banerjee; Mandar M. Dewoolkar; Yves Dubief Constant-volume direct simple shear (DSS) tests on dry soils are an efficient means to evaluate the behavior of cohesionless soils. However, cohesionless soil specimens prepared by dry techniques (e.g., air pluviation...

... 2021 constant volume ring shear test specimen preparation undrained residual strength undrained peak strength References ASTM International. 2013 . Standard Test Method for Torsional Ring Shear Test to Determine Drained Residual Shear Strength of Cohesive Soils . ASTM D6467-13e1...

...Lopamudra Bhaumik; Cassandra J. Rutherford; Scott M. Olson; Youssef M. A. Hashash; Alfonso Cerna-Diaz; Ozgun A. Numanoglu; Thomas Weaver Laboratory specimen preparation methods can significantly influence the dynamic shear-induced volumetric response of sands. In this study, a medium dense to very...

... their hydraulic conductivity using a constant head permeameter and their shear response using drained triaxial compression tests. Keywords specimen preparation, three-dimensional printing, computed tomography scanning, particle morphology, surrogate soil, hydraulic conductivity, triaxial testing Nomenclature CCK...

... and unsaturated soil testing. The strength and volumetric behavior of specimens prepared by the introduced method are compared with those of moist-tamped compacted specimens and one-dimensionally reconstituted slurry specimens by performing consolidated drained triaxial tests. The microstructure of the specimens...

... with calcium source solution. Unconfined compression strength (UCS) and triaxial shear strength (TSS) were tested on the specimens prepared through this improved experimental method. Three different bacteria concentrations, two additives with six addition amounts, and a nonadditive were prepared in the process...

... specimen preparation techniques. The suitability of the technique to replicate specimens is demonstrated by the repeatable test results obtained from shear testing of identical specimens prepared using the method. 27 07 2007 11 01 2008 12 02 2008 slurry displacement specimen...

... 2007 15 03 2007 05 06 2007 specimen preparation sand one-dimensional consolidation frozen cohesionless soils sample disturbance Venice References Baker , T. H. W. , 1976 , “ Preparation of Artificially Frozen Sand Specimens ,” Soil Specimen Preparation...

... to the self-weight of the sample. The effectiveness of the USSH in minimizing sample disturbance is demonstrated using comparative laboratory tests conducted on relatively soft soil specimens prepared with and without the USSH. The observed axial strains during specimen preparation, volumetric strains during...

.... 101 , No. 4 , pp. 379 - 398 . Rad , N. S. and Tumay , M. T. , 1987 , “ Factors Affecting Sand Specimen Preparation by Raining ,” Geotech. Test. J.   0149-6115 , Vol. 10 , No. 1 , pp. 31 - 37 . Taylor , C. A. , Dar , A. R. , and Crewe , A. J. , 1995 , “ Shaking...

... on the efficiency of the two-stage substrate preparation method. Efficiency of the method for Singapore marine clay ranged from 55 to essentially 100% for the simulations conducted. 22 12 2003 27 04 2005 31 08 2005 geotechnical centrifuge consolidation specimen preparation seepage large...

...BC O'Kelly; PJ Naughton A hollow cylinder apparatus was used to study some engineering properties of hollow cylindrical sand specimens prepared using the wet-pluviation technique. The refined specimen preparation method had good repeatability. Wet pluviation produced inherently cross-anisotropic...

... therefore grossly underestimate the amount of membrane penetration. The study shows that an increase in relative density results in a decrease in inter-contact distance, regardless of the specimen preparation method, and that the inter-contact distance at the sand-membrane interface is larger and more...

... of specimen preparation method (pluviation and impact compaction) and saturation on dynamic penetration resistance were investigated in the laboratory. A 0.91-m (3-ft)-deep test fill with dimensions of 6.1 m (20 ft) by 30.5 m (100 ft) was prepared in the field. Dynamic penetration resistance and in situ...

... neglected, in part due to the difficulties involved in specimen preparation. The present paper describes a procedure for the preparation of hollow cylinder specimens of very soft undisturbed clay and their mounting in the triaxial chamber. The procedure involves the use of electrosmosis in order to allow...

... intensity diffusers laboratory tests falling height Monterey sand sand pluviation sand raining sand rainer specimen preparation shutter porosity References Mori , K. , Seed , H. B. , and Chan , C. K. , “ Influence of Sample Disturbance on Sand Response to Cyclic Loading...

... on their quasi-static cone penetration resistance was studied. The results indicate that cementation has a pronounced effect on the penetration resistance of sand. sands cone pentrometer relative density cone penetration specimen preparation cement content cohesion intercept friction angle...

.... KEYWORDS: damping, sands, shear strain, damping ratio, resonant column testing, shear modulus, soil dynamics, specimen preparation Nomenclature di do e G Gmax H K OCR 3' Inner diameter of the specimen, mm Outer diameter of the specimen, mm Void ratio Shear modulus, MPa Shear modulus at smallest measured...