Results 41 to 50 of about 9,196 (227)
Experimental study on dynamic shear modulus and damping ratio of coral sand from Nansha Islands
Rock and Soil Mechanics, 2020 The physical and engineering mechanical behaviors between coral sand and terrigenous sandy soils are considerably different. To study these behaviours, a series of undrained multistage strain-controlled cyclic triaxial tests were conducted on saturated
LIANG Ke, HE Yang, CHEN Guo-xing
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Yantu gongcheng xuebao, 2019 Undrained cyclic traxial tests are carried out on the saturated coral sand in Nansha Islands, South China Sea. The experiment aims at investigating the characteristics of pore water pressure,axial strain,effective stress path and cyclic resistance of ...
MA Wei-jia 1, CHEN Guo-xing 1,2, LI Lei 1, WU Qi 1, LIU Jing-ru 3
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Metagenomic views of microbial communities in sand sediments associated with coral reefs [PDF]
Microbial Ecology, 2021 Abstract Reef sediments, the home for microbes with high abundances, provide an important source of carbonates and nutrients for the growth and maintenance of coral reefs. However, there is a lack of systematic research on the composition of microbial community in sediments of different coral reef sites and the effect of microbial functional ...
Xiyang Dong +10 more
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Shaking table tests on dynamic response of coral sand foundation under buildings
Yantu gongcheng xuebao, 2019 With the rapid development of coral island construction, the seismic safety of coral sand foundation is particularly important. To reveal the seismic response characteristics of coral sand foundation and buildings, the shaking table tests on a three ...
DING Xuan-ming 1,2, WU Qi 1,2, LIU Han-long 1,2,3, CHEN Zhi-xiong 1,2, CHEN Yu-min 3, PENG Yu 1,2
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On the Formation of Coral Sand [PDF]
Nature, 1876 IN the best books on geology one finds that the formation of coral sand is attributed to trituration by the force of the surf, the waste of shells and minute globigerinae, and even to the droppings of those fishes which are said to browse upon the living coral.
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Study on the Shear Band of Sand with Various Particle Characteristics Using PIV Analysis [PDF]
E3S Web of Conferences, 2019 The phenomenon of ground undergoing large plastic deformation, leading to collapse, occurs due to the localization of unstable deformation. The investigation of shear band is important in order to understand the destructive phenomenon.
Kajiyama Shintaro +3 more
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Experimental study on creep properties of coral sand
Yantu gongcheng xuebao, 2020 The consolidated drainage shear tests on the coral sand with two kinds of relative densities under different confining pressures are performed, and its peak strength and deformation characteristics are obtained. Then, the creep tests on the samples under
LI Xiao-mei 1, WANG Fang 1, HAN Lin 2, GUAN Yun-fei 1
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Experimental study on anisotropy of saturated coral sand under complex stress conditions
Yantu gongcheng xuebao, 2022 Anisotropy is the inherent property of coral sand. A series of undrained monotonic shear tests are carried out on the saturated Nansha coral sand by using the GDS hollow cylinder torsional shear apparatus.
MA Wei-jia 1, QIN You 1, WANG Chang-de 1, CHEN Guo-xing 1, 2
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Study on movement of coral fragments and coral sand in the Okinotorishima Island
PROCEEDINGS OF COASTAL ENGINEERING, JSCE, 2008 This study examined movement of coral fragments and coral sand in the Okinotorishima islands in case of high-energy wave. Wave and current around the island were estimated by the modified Boussinesq equation. Movement of coral fragments and coral sand were calculated by using the formula of saltation for gravel and sand, and instantaneous velocity ...
NAKAYAMA, Akiyoshi +2 more
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Bysmatrum granulosum sp. nov., a new benthic dinoflagellate from the southwestern Indian Ocean [PDF]
, 2001 A new benthic marine dino¯agellate, Bysmatrum granulosum Ten-Hage, Turquet, Quod & Couté, sp. nov., was obtained from sediment and coral samples from sites of La Réunion Island (SW Indian Ocean). This new species is described and illustrated by light and
LOÏC TEN-HAGE +7 more
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