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PRESTRESS: 作品数：43被引量：33H指数：3; 导出分析报告; 相关领域：建筑科学更多>>; 相关作者：周立新张文锋潘桂梅杨荣山刘学毅更多>>; 相关机构：新疆水利水电勘测设计研究院北京市水利规划设计研究院华南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高技术研究发展计划中国博士后科学基金更多>>

Research and application of key technologies for intelligent control and detection in prestressed construction of railway bridge: 《High-Speed Railway》2025年第1期44-53,共10页Di Hao; Scientific and Technological Development Project of China Railway Design Group Co.,Ltd.(No.2022A02480005);Technology Development Project of China Railway Design Group Co.,Ltd.(No.2023A0248001).; China's railway prestressed concrete bridge has more than 600000 holes,prestressed engineering is a key force system affecting the safety and durability of the prestressed concrete bridge structure,its construction qu...; 关键词：Railway bridges PRESTRESS Intelligent tensioning Friction test Grouting control Static load test

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

Discrete Numerical Study on Type II Fracture of Partially Detached Concrete Panels in Cold Region: 《Structural Durability & Health Monitoring》2025年第1期167-191,共25页Huayi Zhang Maobin Song Lei Shen Nizar Faisal Alkayem Maosen Cao; supported by the Project on Excellent Post-Graduate Dissertation of Hohai University,Nanjing,China(422003508);the Postgraduate Research&Practice Innovation Program of Jiangsu Province,China(SJCX23_0187;422003287);the National Natural Science Foundation of China(52250410359);Young Elite Scientists Sponsorship Program by Jiangsu Provincial Association for Science and Technology(TJ-2023-043).; When the upper chord beam of the beam-string structure(BSS)is made of concrete-ﬁlled steel tube(CFST),its overall stiffness will change greatly with the construction of concrete placement,which will have an impact on ...; 关键词：Beam-string structure(BSS) concrete-ﬁlled steel tube(CFST) bending stiffness timing of concrete placement prestress-tensioning

Stress gradient analytic solution and reasonable support prestress of roadway surrounding rock based on unified strength criterion:A case study: 《Journal of Central South University》2025年第2期449-468,共20页JING Suo-lin WEN Zhi-jie ZUO Yu-jun LI Qiu-ju HAO Peng; Project(52274130)supported by the National Natural Science Foundation of China;Project(ZR2024ZD22)supported by the Major Basic Research Project of the Shandong Provincial Natural Science Foundation,China;Project(2023375)supported by the Guizhou University Research and Innovation Team,China;Project(Leading Fund(2023)09)supported by the Natural Science Research Fund of Guizhou University,China;Project(JYBSYS2021101)supported by the Open Fund of Key Laboratory of Safe and Effective Coal Mining,Ministry of Education,China。; The stress gradient of surrounding rock and reasonable prestress of support are the keys to ensuring the stability of roadways.The elastic-plastic analytical solution for surrounding rock was derived based on unified ...; 关键词：PRESTRESS support compensation surrounding rock damage stress gradient analytic solution unified strength theory

Natural Vibration Characteristics for Prestressed Concrete-Filled Rectangular Steel Tube Simply Supported Beam: 《Journal of Shanghai Jiaotong university(Science)》2024年第5期940-944,共5页YE Junxian HUANG Weixuan LI Siping; the National Natural Science Foundation of China(No.51878407)。; The dynamic control equation of a new prestressed partially concrete-filled rectangular steel tube(CFRT)beam can be derived based on D’Alembert’s principle.It is used to infer the theoretical results of the dynamic ...; 关键词：PRESTRESS concrete-filled rectangular steel tube(CFRT) VIBRATION finite element analysis

A discussion of fatigue properties of notched specimens subjected to prestressing treatment machined from FGH4097: 《Chinese Journal of Aeronautics》2024年第4期508-523,共16页Rongxi SHI Dasheng WEI Le HAN Shun YANG; supported by the National Science and Technology Major Project, China (No. J2019-IV-0012-0080);the National Natural Science Foundation of China (No. 12202030);the China Postdoctoral Science Foundation (No. 2022M720340)。; Experimental and numerical investigations were performed to reveal the effect of prestress on the fatigue properties of FGH4097 so as to quantitatively evaluate the overspeed benefit of the disc of aeroengine. A corre...; 关键词：Turbine blisk Overspeed test PRESTRESS Fatigue life prediction FGH4097

Theoretical Analysis on Deflection and Bearing Capacity of Prestressed Bamboo-Steel Composite Beams: 《Journal of Renewable Materials》2024年第1期149-166,共18页Qifeng Shan Ming Mao Yushun Li; supported by the National Natural Science Foundation of China(51978345,52278264).; A theoretical analysis of upward deflection and midspan deflection of prestressed bamboo-steel composite beams is presented in this study.The deflection analysis considers the influences of interface slippage and shea...; 关键词：Bamboo scrimber composite beam PRESTRESS DEFLECTION bearing capacity

Influence of the prestressed layer on spherical transducer in sound radiation performance被引量：1: 《Journal of Advanced Dielectrics》2022年第6期32-39,共8页Xiaofang Zhang Xiujuan Lin Rui Guo Changhong Yang Hui Zhao Mingyu Zhang Yan Wang Xin Cheng Shifeng Huang; supported by the National Natural Science Foundation of China(Nos.U1806221 and U2006218);Shandong Provincial Natural Science Foundation(Grant No.ZR2020KA003);Taishan Scholars Program and case-by-case project for Top Outstanding Talents of Jinan,the Project of“20 Items of University”of Jinan(Grant Nos.T202009 and T201907).; To improve the acoustic radiation performance of the spherical transducer,a prestressed layer is formed in the transducer through fiber winding.The influence of the prestressed layer on the transducer is studied from ...; 关键词：Radial prestress acoustic impedance spherical transducers transmission voltage response transmission sound level

The Application of Prestressed Construction Technology in Road and Bridge Construction: 《外文科技期刊数据库(文摘版)工程技术》2022年第5期218-221,共4页FENGZhenjun; Municipal road and bridge engineering has the characteristics of large scale and complex technology, which requires more advanced construction technology in the construction process. Among them, the prestressed constr...; 关键词：road and bridge construction PRESTRESS construction technology APPLICATION

Research on stretching flame correction technology of aluminum alloy ship frame skin welding structure被引量：3: 《China Welding》2022年第2期15-22,共8页Yuan Yinhui Nie Lijun Lu Hao Yu Yang Yan Dejun; Project was supported by the Ministry of Industry and Information Technology High-Tech Ship Research Project:Research on Key Common Processes of Ship Intelligent Manufacturing(MC-201704-Z02);Guangdong Special Branch Plans(2019TQ05C752);Marine Economic Development(Six Marine Industries)Special Funding Project of Guangdong Province(Grant number GDNRC[2021]46).; At present,conventional flame correction has shortcomings such as random heating route and low efficiency.The welding seam of the aluminum alloy ship frame skin structure is concentrated and the frame restraint is lar...; 关键词：prestress-flame correction process frame skin structure aluminum alloy numerical simulation

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