Results 51 to 60 of about 966,566 (260)
Dynamic behaviors of MICP and fiber-treated calcareous sand under dynamic triaxial testing
Rock and Soil Mechanics, 2022 To improve the liquefaction resistance of calcareous sand foundations, microbially induced calcium carbonate precipitation (MICP) technology and fiber reinforcement technology was combined to treat the calcareous sand sampled from the South China Sea ...
WANG Rui +6 more
doaj +1 more source
, 2021 Calcareous sand, as a blow-fill or construction material, is widely used in island and reef construction projects in marine environments after treatment.
Bowen Dong +5 more
core +1 more source
Yantu gongcheng xuebao, 2020 In order to explore the shear characteristics of anisotropic calcareous sand, the GDS hollow cylinder torsional shear apparatus is used to compare and analyze the anisotropy of calcareous sand and quartz sand through the fixed-axis shear tests in ...
SHEN Yang 1, LIANG Hui 1, GE Hua-yang 1, YU Yan-ming 2, SHEN Xue 1
doaj +1 more source
Cementing Material on Mechanical Property of Calcareous Sand
, 2012 It is difficult to obtain high quality samples of natural material covering a range of densities and degree of cementation, so study on the sample preparation techniques with similar mechanical properties of natural samples are very important ...
Wang L(王丽) +3 more
core +1 more source
Breakage effect of calcareous sand on pile tip resistance and the surrounding soil stress
Energy Reports, 2022 Due to the irregular shape, high porosity and fragility of calcareous sand particles, the construction of reef engineering is seriously affected, and the application of pile foundation engineering technology in calcareous sand stratum is also faced with ...
Yan Gao +4 more
doaj +1 more source
Yantu gongcheng xuebao, 2021 Six different targeted activation schemes for urea-producing microorganisms are designed for the biomineralization and reinforcement of calcareous sand.
DONG Bo-wen 1, LIU Shi-yu 1, 2, YU Jin 1, CAI Yan-yan 1, TU Bing-xiong 1
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Bio-cementation and crackling noise from calcareous sand and consolidated aggregates
, 2020 The supporting data for "Bio-cementation and crackling noise from calcareous sand and consolidated aggregates"
Lei Wang, Hanlong Liu, Yang Xiao, Ekhard Salje, and Xiang Jiang
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Review of Particle Breakage Measurement Methods for Calcareous Sand
, 2022 In order to better understand the particle breakage mechanics and characterization methods of calcareous sand, the particle breakage characteristics of calcareous sand in one-dimensional compression tests, isotropic compression tests, triaxial shear ...
Dong-Sheng Xu +5 more
core +1 more source
Behavior of particle breakage in calcareous sand during drained triaxial shearing
Yantu gongcheng xuebao, 2021 Particle breakage is an important factor affecting the deformation and strength mechanism of granular soil. In order to study the particle breakage characteristics of calcareous sand during shearing and their influences on the deformation and shear ...
ZHANG Ji-ru , HUA Chen , LUO Ming-xing , ZHANG Bi-wen
doaj +1 more source
Drought Stress Mediated Changes in Food Crops: Mechanisms and Remediation Strategies
Advanced Science, EarlyView.This work presents a multi‐scale framework for flavonoid‐mediated drought tolerance in staple food crops, integrating ROS redox regulation, antioxidant defense, rhizosphere microbial interactions, and sustainable agronomic practices. This interdisciplinary model provides core insights to develop climate‐resilient cropping systems and enhance global ...
Xiaoyi Duan +5 more
wiley +1 more source