云南高校图书馆联盟文献共享服务平台- SUBGRADE

SUBGRADE: 作品数：127被引量：184H指数：8; 导出分析报告; 相关领域：交通运输工程更多>>; 相关作者：唐存莲孔祥辉秦仁杰王智猛李盛更多>>; 相关机构：河海大学北京农业职业学院长沙理工大学西南交通大学更多>>; 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高等学校学科创新引智计划重庆市自然科学基金更多>>

Salt rock filling in subgrade:a comprehensive review: 《Railway Sciences》2025年第2期174-198,共25页Liyang Wang Feng Chen Pengcheng Wang Qianli Zhang; Purpose–Salt rock from salt lakes can serve as a cost-effective material for subgrade filling,as demonstrated in projects like the Qarhan Salt Lake section of the Qinghai-Tibet Railway and the Qarhan Salt Lake sectio...; 关键词：Salt rock Subgrade filling Engineering properties WATERPROOFING Construction quality control

Study on static characteristics of a novel prestress-reinforced railway subgrade: 《Railway Engineering Science》2025年第1期108-126,共19页Junli Dong Fang Xu Qishu Zhang Wuming Leng Yafeng Li Qi Yang; supported by the National Natural Science Foundation of China(Grant Nos.51978672 and 52308335);the Natural Science Funding of Hunan Province(Grant No.2023JJ41054);the Natural Science Research Project of Anhui Educational Committee(Grant No.2023AH051170)。; Understanding the reinforcement effect of the newly developed prestressed reinforcement components(PRCs)(a system composed of prestressed steel bars(PSBs),protective sleeves,lateral pressure plates(LPPs),and anchoring...; 关键词：Prestressed subgrade Static characteristic Reinforcement effect Reinforcement mode SETTLEMENT Numerical simulation

Deformation mechanism and treatment technology research of coal pillars in acute inclined goafs under expressway: 《Applied Geophysics》2025年第1期161-175,235,共16页Bao Wei-Xing Ma Zhi-Wei Lai Hong-Peng Chen Rui; Science and Technology Major Project of Xinjiang Uygur Autonomous Region(2020A03003-7);Fundamental Research on Natural Science Program of Shaanxi Province(2021JM-180);Fundamental Research Funds for the Central Universities,CHD(Project for Leading Talents)(300102211302);Tianshan Cedar Plan of Science and Technology Department of Xinjiang Uygur Autonomous Region(2017XS13);Shaanxi Province Young Talent Lifting Program(CLGC202219).; When the expressway crosses the goafs inevitably,the design is generally to build the road on coal pillars as much as possible.However,the existing coal pillars are often unable to meet relevant requirements of highwa...; 关键词：model test acute inclined goafs SUBGRADE deformation mechanism treatment technology

Potential reuse of fine sediment from hydroelectric dams and recycled concrete sand in road subgrades: 《International Journal of Sediment Research》2024年第6期971-983,共13页Hamza Beddaa Saannibe Ciryle Somé Amor Ben Fraj Coryse Coudray Emmanuel Branche Amaury Cudeville; Hydroelectric dams play a crucial role in power generation,water storage,and irrigation.However,their continuous operation has led to sediment accumulation,thereby reducing the water storage capacity and impacting the...; 关键词：SEDIMENT Recycled concrete Road subgrade Mechanical properties Treatment ability

Micro-destructive assessment of subgrade compaction quality using ultrasonic pulse velocity: 《Journal of Rock Mechanics and Geotechnical Engineering》2024年第11期4782-4797,共16页Xuefei Wang Xuping Dong Xiangdong Li Jianmin Zhang Guowei Ma Jiale Li; supported by the National Natural Science Foundation of China (Grant Nos.52038005 and 52278342);Natural Science Foundation of Tianjin,China (Grant No.23JCJQJC00160).; The ultrasonic pulse velocity(UPV)correlates significantly with the density and pore size of subgrade filling materials.This research conducts numerous Proctor and UPV tests to examine how moisture and rock content af...; 关键词：SUBGRADE Compaction quality Ultrasonic pulse velocity(UPV) Intelligent model Proctor test Micro-destructive evaluation

Influence of the boundary effect on the mechanical response test of pavement cushion under the wetting effect of silt: 《Journal of Southeast University(English Edition)》2024年第3期266-274,共9页Luo Qiqi Yu Qian Zhang Sheng Ma Xinyan Ye Xinyu Du Yinfei; The National Natural Science Foundation of China(No.52008401);the Natural Science Foundation of Hunan Province(No.2021JJ40770);the Open Fund of Hunan Tieyuan Civil Engineering Testing Co.,Ltd.(No.HNTY2022K04).; Through a self-developed model test system,the mechanical properties of silt and the deformation characteristics of airport runways were investigated during the period of subgrade wetting.Based on the test results,the...; 关键词：pavement cushion silt subgrade WETTING boundary effect mechanical response

Study on the Construction Technology of Subgrade Pavement in Road and Bridge Settlement Section: 《Journal of Architectural Research and Development》2024年第4期1-7,共7页Bing Liu; With the continuous development of China’s economy,the construction of roads and bridges work has put forward higher requirements.Due to various factors,the long-term use of roads and bridges will produce a settlemen...; 关键词：Road and bridge Settlement section Subgrade and pavement Construction technology

Effect of degree of saturation on stresses and pore water pressure in the subgrade layer caused by railway track loading: 《Railway Sciences》2024年第4期413-436,共24页Mohammed Y.Fattah Qutaiba G.Majeed Hassan H.Joni; Purpose-The experiments of this study investigated the effect of the subgrade degree of saturation on the value of the stresses generated on the surface and the middle(vertical and lateral stresses).The objectives of ...; 关键词：Subgrade clay UNSATURATED TRACK Matric suction Stresses

The influence of the leading-edge angle of subgrade on the aerodynamic loads of a high-speed train in a wind tunnel: 《Transportation Safety and Environment》2024年第2期45-54,共10页Zeyun Yang Gang Xu Fan Wu Lei Zhang Jian Du Dmitri Vainchtein; support of the National Natural Science Foundation of China(Grants No.52072413 and 52002408);the Project of State Key Labora-tory of High Performance Complex Manufacturing(Grant No.ZZYJKT2021-09);the Natural Science Foundation of Hunan Pr ovince(Grant No.2021JJ40772).; The purpose of this study is to establish the correlation between the boundary layer over the subgrade and the aerodynamic loads act-ing on the train model in conventional wind tunnel tests.Firstly,flow characteristic...; 关键词：high-speed train ground effect aerodynamic performance wind tunnel test PIV experiment

Computer vision-aided DEM study on the compaction characteristics of graded subgrade filler considering realistic coarse particle shapes被引量：2: 《Railway Engineering Science》2024年第2期194-210,共17页Taifeng Li Kang Xie Xiaobin Chen Zhixing Deng Qian Su; This work was supported by the National Key R&D Program‘Transportation Infrastructure’project(No.2022YFB2603400).; The compaction quality of subgrade filler strongly affects subgrade settlement.The main objective of this research is to analyze the macro-and micro-mechanical compaction characteristics of subgrade filler based on th...; 关键词：Subgrade filler particles Deep learning particle Shape analysis Particle library Compaction characteristics Discrete element method(DEM)

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