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Yoav Me-Bar, Ayelet Miller, Baruch Ephraim Karlin and Deborah Cvikel
The force required to drag a stone anchor over several types of surfaces was measured, recorded, and analyzed. It was found that the force involved in the movement of the anchor over the various surfaces cannot be described just by the sliding solids the...
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Claudia Meisina, Roberta Bonì, Massimiliano Bordoni, Carlo Giovanni Lai, Francesca Bozzoni, Renato Maria Cosentini, Doriano Castaldini, Daniela Fontana, Stefano Lugli, Alessandro Ghinoi, Luca Martelli and Paolo Severi
Liquefaction-induced surface manifestations are the result of a complex geological?geotechnical phenomenon, driven by several controlling factors. We propose a multidisciplinary methodological approach, involving engineering geologists, geomorphologists,...
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Fayun Liang, Zewang Zhang, Chen Wang, Xiaoqiang Gu, Yifeng Lin and Wei Yang
Offshore wind power, as an efficient renewable energy source, is being vigorously developed nowadays. However, the liquefaction of marine sand due to earthquakes brings potential safety hazards to the wind turbine structures. In this study, a series of r...
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Lu Liu, Xiaofei Yao, Zhanpeng Ji, Hongmei Gao, Zhihua Wang and Zhifu Shen
This study examines the cyclic behavior of calcareous sand obtained from the South China Sea. A series of undrained cyclic triaxial tests were performed on the calcareous sand with various relative densities, cyclic stress ratios, and effective confining...
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Chang-Rui Yao, Bo Wang, Zhi-Qiang Liu, Hao Fan, Fang-Hao Sun and Xin-Hao Chang
Drainage conditions are supposed to have significant influence on sand liquefaction behavior. An infiltration device was utilized in cyclic triaxial tests to reproduce different drainage conditions by altering dry density of the within silt. Permeability...
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Mohamed Bensoula, Hanifi Missoum, Karim Bendani
Pág. 196 - 208
As a part of an on-going research program on the mechanical instability of granular soils in our laboratory, defined contents of sand and silt in soil mixtures are studied through the triaxial apparatus, full range of initial relative density states (loo...
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Mohamed Bensoula, Mohammed Bousmaha, Hanifi Missoum
Pág. 692 - 702
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Gabriel Villavicencio Arancibia, Pierre Breul, Claude Bacconnet, Andy Fourie, Raúl Espinace
Pág. 9 - 18
In Chile, sand tailings dams represent the most common deposits of mining residues. These structures present a potential risk in terms of mechanical instability due to their potential susceptibility to seismic liquefaction. In order to manage these risks...
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Heriansyah Putra,Hideaki Yasuhara,Naoki Kinoshita,Muhammad Fauzan
Pág. 1 - 5
The applicability of bio-chemical grouting as the environmentally friendly and economically method for liquefaction remediation was evaluated. Several combinations of organic and in-organic precipitations methods were conducted to obtain the optimum grou...
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Martitia P. Tuttle, Ross Hartleb, Lorraine Wolf and Paul W. Mayne
Recent and historical studies of earthquake-induced liquefaction, as well as paleoliquefaction studies, demonstrate the potential usefulness of liquefaction data in the assessment of the earthquake potential of seismic sources. Paleoliquefaction studies,...
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Hakam, A.
Pág. 64 - 68
The Padang earthquake of M7.6 on 30 September 2009 (30S?09) caused damage to buildings, houses, public water facilities, and road ways. Several buildings were damaged due to liquefaction. This paper describes the liquefaction potential in Padang based on...
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Xiaorui Wang, Xu Liu, Yunhong Lin and Fei Tan
Small curved metro shield tunnels located in fine sand layers are sensitive to the response of horizontal and vertical cyclic loads from train operations, especially for centrifugal horizontal loads. The majority of Zhengzhou?s strata are dominated by th...
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Xinjun Cheng, Xiang Xu, Zhinan Hu, Liping Jing, Haian Liang and Jie Cui
To study the dynamic response of a saturated sand-underground structure system subjected to earthquakes, a series of shaking table tests with a geometric scale ratio of 1/30 were conducted. Based on the experimental acceleration records of testing soil d...
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Qi Wu, Xuanming Ding, Yanling Zhang and Zhixiong Chen
The physical and mechanical properties of coral sand are quite different from those of common terrestrial sands due to the special marine biogenesis. Shaking table tests of three-story structures with nine-pile foundation in coral sand and Fujian sand we...
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Caroline Behrman, Roy Van Arsdale, Youngsang Kwon, Kerry Stockslager, Dave Leverett and David Lumsden
Aerial drone photography of an active pit within a sand and gravel quarry in DeSoto County, Mississippi, was conducted to better understand the Upland Complex, which is a high-level Pliocene terrace of the Mississippi River. The Upland Complex is of grea...
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Leiye Wu, Wei Cheng and Zhehao Zhu
Seabed soil may experience a reduction in strength or even liquefaction when subjected to cyclic loadings exerted by offshore structures and environmental loadings such as ocean waves and earthquakes. A reasonable and robust constitutive soil model is in...
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Mintaek Yoo and Sun Yong Kwon
Liquefaction caused by long-term cyclic loads in loose saturated soil can lead to ground subsidence and superstructure failures. To address this issue, this study aimed to emulate the liquefaction phenomenon based on a shaking table test while especially...
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Ataollah Nateghi and Usama El Shamy
Earthquake-induced liquefaction is always a concern when the soil near the surface of a site is composed of relatively loose saturated sand. One of liquefaction mitigation methods is to induce gas bubbles into the deposit to reduce the degree of saturati...
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Masaki Kitazume
Global warming due to greenhouse gas emissions has led to record-breaking heat waves, torrential rains and droughts on a global scale in recent years. For this reason, people around the world are more keenly aware of the need to reduce greenhouse gas emi...
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Silvia Palacios,Gabriela Lara,Laura Perucca
Pág. 333 - 349
. The earthquakes of 1894, 1944, 1952 and 1977 occurred in the province of San Juan in central-wesern Argentina caused numerous processes of soils and sediment liquefaction, including those in the Ullum-Zonda valley. Historical records showed cracks, san...
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