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SAND: 作品数：980被引量：2317H指数：18; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：王松林张文首王琦孔祥忠江新标更多>>; 相关机构：中国科学院西北核技术研究所中国石油大学（北京）兰州大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Limiting membrane behavior of compacted sand-bentonite mixture: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2433-2444,共12页Cameron J.Fritz Joseph Scalia IV Charles D.Shackelford; Compacted sand-bentonite mixtures are used as waste containment barriers(e.g.landfill liners and bentonite buffers for nuclear waste)to restrict contaminant transport.The potential for enhanced chemical containment of...; 关键词：Chemico-osmosis Engineered barrier Sand-bentonite mixture Semipermeable membrane behavior Solute restriction Waste containment

Impact of flow direction on suffusion of sand-clay mixtures under variably saturated conditions: 《Journal of Rock Mechanics and Geotechnical Engineering》2025年第4期2511-2525,共15页Yerim Yang Hangseok Choi Jooho Lee Yongjoon Choe Jongmuk Won; supported by the Korea Agency for Infrastructure Technology Advancement under the Ministry of Land,Infrastructure and Transport (Grant No.RS-2024-00410248);by National Research Foundation of Korea (NRF)grants funded by the Korean government (MSIT) (Grant No.RS-2022R1C1C1007296).; Suffusion is the process defined as the migration of relatively small soil particles through the pores of a soil matrix composed of relatively large particles,driven by substantial hydrodynamic forces and weak attract...; 关键词：Suffusion Breakthrough curve(BTC) Sand-clay mixture Saturated soil Unsaturated soil Ionic concentration(IC) Flow direction Clay mineralogy

Separation and Transport of Sediment Particles Due to the Erosion of Sand-Covered Slopes: 《Fluid Dynamics & Materials Processing》2025年第4期819-831,共13页Shanshan Tang Zhanbin Li Xubin Zhu Peng Li Zhaoyang Feng Guoliang Yang Huake Chang Zefeng Che; research was funded bymultiple sources,including the Guangxi Natural Science Foundation of Youth Fund(2020GXNSFBA159004);the National Natural Science Foundation Project of China(51779204);the Guilin University of Technology High-Level Talent Research Startup Project(GUTQDJJ2018069).; The particle size distribution plays a crucial role in the transportation and deposition of eroded sediments.Gaining insights into the related sorting mechanism can significantly enhance our understanding of such proc...; 关键词：Sand-covered slope EROSION simulated rainfall particle size sediment sorting

The effects of loose,firm,fine,and coarse substrates on the movement of the red flour beetle: 《Insect Science》2025年第2期662-674,共13页Kimberley Hanna Inon Scharf; Movement plays a crucial role in animal behavior.However,despite the preva-lence of uneven terrains in nature,many movement studies are conducted in arenas with smooth substrates.This discrepancy raises questions abou...; 关键词：movement ecology obstacles pest ecology SAND thigmotaxis wall-following behavior

Enhanced Particle Swarm Optimization Algorithm Based on SVM Classifier for Feature Selection: 《Computer Modeling in Engineering & Sciences》2025年第3期2791-2839,共49页Xing Wang Huazhen Liu Abdelazim G.Hussien Gang Hu Li Zhang; supported by the Fundamental Research Funds for the Central Universities of China(No.300102122105);the Natural Science Basic Research Plan in Shaanxi Province of China(2023-JC-YB-023).; Feature selection(FS)is essential in machine learning(ML)and data mapping by its ability to preprocess high-dimensional data.By selecting a subset of relevant features,feature selection cuts down on the dimension of t...; 关键词：Feature selection SVM particle swarm optimization sand cat swarm optimization engineering problems

Hydraulic conductivity of sand influenced by temperature and porosity in centrifugal tests: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2025年第3期177-193,共17页Jianjian HE Xihao JIANG Yubing WANG; supported by the Basic Science Center Program for Multiphase Media Evolution in Hypergravity of the National Natural Science Foundation of China(No.51988101)。; This study focused on the hydraulic conductivity of sand in centrifuge modeling.A self-designed temperature-controlled falling-head permeameter apparatus was used,and a series of falling-head seepage tests were perfor...; 关键词：Hydraulic conductivity of sand TEMPERATURE POROSITY Centrifugal acceleration Kozeny-Carman equation

Two-dimensional plane-strain consolidation for unsaturated soils under non-uniform trapezoidal loads: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2025年第3期277-284,共8页Chengjia TANG Lei WANG Sidong SHEN Minjie WEN Annan ZHOU; supported by the National Nature Science Foundation of China(No.12172211);the National Key Research and Development Program of China(No.2019YFC1509800)。; 1 Introduction In highway construction,flled embankments are trapezoidal,and the ground is always improved by sand wells or columns.During embankment construction,because the width and height of the embankment are cha...; 关键词：two dimensional plane strain consolidation highway construction sand wells embankment construction consolidation phenomenon unsaturated soils non uniform trapezoidal loads

Evaluation of the effectiveness of an expressway sand protection system in a gobi region-case study of the Ceke-Ejina expressway,Ejina banner,China: 《International Soil and Water Conservation Research》2025年第1期177-188,共12页Zhengyi Yao Jianhua Xiao Xixi Ma Jianjun Qu Xuefeng Hong; funded by“Gansu Provincial Science and Technology Planning Project(23ZDFA018)”;“The Major Science and Technology Projects of Inner Mongolia Autonomous Region(2021ZD0008)”.; Sand protection systems are widely used to shelter roads from blowing sand.Therefore,it's very important to evaluate their effectiveness.To provide some insights,we used field investigations,measurements of accumulate...; 关键词：Gobi region Sand removal Sand protection system Sand trapping effectiveness

Laboratory and field tests on soil conditioning for earth pressure balance shield tunneling in composite strata with different sand–rock ratios: 《Frontiers of Structural and Civil Engineering》2025年第3期411-426,共16页Kangjian ZHANG Zhiqiang ZHANG Chuanxiang LIU; supported by the National Natural Science Foundation of China(Grant No.52378414);the Natural Science Basis Research Plan in Shaanxi Province of China(No.2019JLP-23).; The excavated soil in the chamber of an earth pressure balance (EPB) shield is typically required to achieve a plastic flow state during tunneling to ensure a stable excavation face and the smooth discharge of soil. W...; 关键词：soil conditioning earth pressure balance shield composite strata sand-rock ratio model test

Seismic Prediction Methods for Tidal Flat Sand Bodies in the Shunbei Area of the Tarim Basin: 《Applied Geophysics》2025年第1期176-196,235,共22页Zhi-peng Sun Rui-zhao Yang Jing-rui Chen Hao Zhang Shi-jie Zhang Peng-hui Yang Feng Geng; Collaborative Project Grant from the Exploration and Development Research Institute of SINOPEC Northwest Oilfi eld Company(Grant No.KY2021-S-104).; The Tarim Basin has revealed numerous tight sandstone oil and gas reservoirs.The tidal fl at zone in the Shunbei area is currently in the detailed exploration stage,requiring a comprehensive description of the sand bo...; 关键词：Shunbei Area Seismic Facies Vector Quantization PCA Sandstone prediction

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