نتایج جستجو برای: soil liquefaction

تعداد نتایج: 184031  

Journal: :Bulletin of Earthquake Engineering 2022

Abstract The seismic response of monopile foundations is a growing area research as the offshore wind industry expands worldwide, including in earthquake prone regions world. This paper presents dynamic centrifuge tests aimed at investigating monopiles both dry and saturated sandy soils. latter case includes soil liquefaction under strong input motions, with measured excess pore pressures indic...

Journal: :Teras Jurnal: Jurnal Teknik Sipil 2022

Abstrak Likuifaksi merupakan fenomena perubahan konsistensi tanah dari keadaan padat menjadi cair akibat gempa bumi. Metode calcite precipitation salah satu metode inovatif untuk mitigasi likuifaksi. Penelitian ini bertujuan mengevaluasi efektivitas dengan biocatalyst bubuk kedelai sebagai biogrouting pada terlikuifaksi. menggunakan sampel berpotensi likuifaksi variasi gradasi. Pengujian pengen...

Journal: :Fondasi: Jurnal Teknik Sipil 2023

This research discusses the use of stone columns in increasing value safety factor on soils that have potential to experience liquefaction. study aims determine sandy soil area and after Stone Column planning. The method used liquefaction is Seed et al, based interpretation SPT (Standard Penetration Test) data using column as a improvement method. Based results study, it known each point has ex...

Journal: :Frontiers in Materials 2023

It is reported that the inclined pile could be either beneficial or detrimental for abutment they support in condition of liquefaction—induced lateral displacement. To clarify effect on seismic response bridge abutments undergoing displacement, numerical analyses were carried out damaged was supported by piles and displaced riverwards 100 mm–150 mm due to soil liquefaction during 2011 Great Eas...

2008
Mayukh Mukhopadhyay Deepankar Choudhury V. S. Phanikanth G. R. Reddy

Pile foundations have been the subject of interest for earthquake engineers since last several decades. The devastations caused in major earthquakes of the world can be the reason enough to carry out the research on the topic of seismic behavior of piles. One definite concern is liquefaction induced ground movement after the shaking in an earthquake, causing extra lateral loads acting on piles....

2014
Randel T. Cox Christopher Lowe Yanjun Hao Shannon A. Mahan

*Correspondence: Randel T. Cox, Department of Earth Sciences, University of Memphis, Johnson Hall, Memphis, TN 38152, USA e-mail: [email protected] Large-scale liquefaction features (e.g., sand blows, lateral-spread fissure vents) that can be recognized on remote-sensing imagery and photography have been of great utility in developing chronologies of paleo-earthquakes. In areas where large-s...

2017
Xing-Yan Huang Feng Li Jiu-Long Xie Cornelis F. De Hoop Chung-Yun Hse Jin-Qiu Qi Hui Xiao

The acid-catalyzed liquefaction of rape straw in methanol using microwave energy was examined. Conversion yield and energy consumption were evaluated to profile the microwave-assisted liquefaction process. Chemical components of the bio-oils from various liquefaction conditions were identified. A higher reaction temperature was found to be beneficial to obtain higher energy consumption efficien...

2017
Anil Kumar Anil Sethy Shakti Chauhan

10 Liquefaction of ligno-cellulosic biomass is one of the chemical conversion technologies for 11 developing new materials, adhesives and energy systems. The liquefaction process also 12 provides an opportunity to utilize ligno–cellulosic wastes such as saw-dust, woody wastes, 13 branches and twigs, agro-residues, etc. for the development of value added products. This 14 paper presents the liqu...

Journal: :Investigative ophthalmology & visual science 1996
J Bond C Green P Donaldson J Kistler

PURPOSE To investigate whether a histologic link exists between osmotic fiber cell swelling and cortical tissue liquefaction in experimentally induced diabetic and galactosemic cataractogenesis of the rat lens. METHODS Confocal laser scanning microscopy, in conjunction with specific membrane labels and correlative transmission electron microscopy, was used to image large cortical areas with p...

2015
Shansong Gao Dexiang Zhang Kejian Li Mehrdad Massoudi

Effects of the recycle solvent hydrotreatment on oil yield of direct coal liquefaction were carried out in the 0.18 t/day direct coal liquefaction bench support unit of National Engineering Laboratory for Direct Coal Liquefaction (China). Results showed that the hydrogen-donating ability of the hydrogenated recycle solvent improved and the hydrogen consumption of solvent hydrotreatment was incr...

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