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Static And Dynamic Response Of Silty Toyoura Sand With Pva Fibre And Cement Additives, Colin J.R. Schmidt
Static And Dynamic Response Of Silty Toyoura Sand With Pva Fibre And Cement Additives, Colin J.R. Schmidt
Electronic Thesis and Dissertation Repository
After the Great East Japan Earthquake of 2011, nearly 24 million tons of disaster debris such as concrete products, natural and polymeric fibres, and tsunami deposits remained on the coast of Japan. Much of this debris was recycled and repurposed in engineering projects such as embankments, park restoration, and agricultural field restoration around Tokyo Bay, one of the hardest hit regions of the country. Such a major disaster developed a need for the stabilization of the liquefaction susceptible regions of the reclaimed Tokyo Bay coastline. This thesis specifically focuses on the stabilization against liquefaction of Toyoura sand with the typical …
Cyclic And Post-Cyclic Response Of Silt And Sandy Silt Soils, Ali El Takch
Cyclic And Post-Cyclic Response Of Silt And Sandy Silt Soils, Ali El Takch
Electronic Thesis and Dissertation Repository
A series of cyclic and monotonic constant-volume ring shear tests were carried out to determine the cyclic and post-cyclic response of silts and sandy silts with 25% and 50% sand. The elastic soil behavior at very small shear strain (γ < 10-4%) was investigated through shear wave velocity (Vs) measurements using bender elements at vertical stresses ranging from 50 to 300 kPa, while strain-controlled constant volume cyclic ring shear tests were conducted to establish shear modulus (G) and damping ratio (D) at larger shear strain amplitudes (γ > 0.01%). Liquefaction and strain-softening occurred at excess pore water pressure ratios (ru …