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PRESTRESSED: 作品数：74被引量：114H指数：5; 导出分析报告; 相关领域：生物学更多>>; 相关作者：罗琳陶继勇李新生郭英田倩更多>>; 相关机构：东南大学四川省建筑科学研究院上海交通大学杭州市城乡建设设计院有限公司更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金王宽诚敎育基金中国博士后科学基金河南省科技攻关计划更多>>

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

Detection and Genesis Analysis of Cracks in Prestressed Box Girder of a Certain Project: 《World Journal of Engineering and Technology》2024年第4期1075-1082,共8页Mingnan Ji; This paper introduces a crack detection example of the prestressed box girder in a certain project. The morphology of the box girder cracks was surveyed and mapped. The length, width, and depth of the cracks were insp...; 关键词：Prestressed Box Girder Crack Detection Cause Analysis Treatment Measures

Dynamic coefficient of flexural motion of beam experiencing simple support under successive moving loads: 《International Journal of Mechanical System Dynamics》2024年第4期427-445,共19页Tolulope Olamide Adeloye; Analytic expressions of the dynamic coefficient(DC)factor and vibrational behavior of a uniformly elastic isotropic beam with a simple boundary condition caused by accelerating masses with varying velocities are analy...; 关键词：biparametric elastic foundation dynamic amplification factor axially prestressed thick beam dynamic deflections

Investigation of the Effect of the Force Arm on the Bending Capability of Prestressed Glulam Beam: 《Structural Durability & Health Monitoring》2024年第5期641-661,共21页Yan Zhao Yuanyuan Wu Shengliang He Zhenglu Gao Ziyan Huang Chenzheng Lv; supported by the Resources Industry Science and Technology Innovation Joint Funding Project of Nanping(N2021Z003);the Special Project of Service Industry Research of Wuyi University under Grant(2021XJFWCY03);the Research Launch Fund of Wuyi University’s Introduct Talent(YJ202309);the Fujian Training Program of Innovation and Entrepreneurship for Undergraduates(S202210397076);Research on the Stress Performance of Reinforced Bamboo Highway Guardrail with Embedded Channel Steel(LS202304).; Prestress enables the Glulam beam could make full use of the compression strength,and then increase the span,but it still could not reduce all drawbacks,such as cross-section weakening and small force arm.To avoid slo...; 关键词：Force arm prestressed Glulam beam ﬁnite element method bearing capacity

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

Vibration attenuation performance of wind turbine tower using a prestressed tuned mass damper under seismic excitation被引量：1: 《Earthquake Engineering and Engineering Vibration》2024年第2期511-524,共14页Lei Zhenbo Liu Gang Wang Hui Hui Yi; Fundamental Research Funds for the National Natural Science Foundation of China under Grant No.52078084;the Natural Science Foundation of Chongqing (cstc2021jcyj-msxmX0623);the 111 project of the Ministry of Education;the Bureau of Foreign Experts of China under Grant No.B18062;China Postdoctoral Science Foundation under Grant No.2021M690838。; With the rapid development of large megawatt wind turbines,the operation environment of wind turbine towers(WTTs)has become increasingly complex.In particular,seismic excitation can create a resonance response and cau...; 关键词：wind turbine tower prestressed tuned mass damper vibration control seismic excitation numerical simulation

Modular Soft Robotic Crawlers Based on Fluidic Prestressed Composite Actuators: 《Journal of Bionic Engineering》2024年第2期694-706,共13页Zefeng Xu Linkai Hu Longya Xiao Hongjie Jiang Yitong Zhou; supported by the National Natural Science Foundation of China under Grant No.62203174;the Guangzhou Municipal Science and Technology Project under Grant No.202201010179.; Soft robotic crawlers have limited payload capacity and crawling speed.This study proposes a high-performance inchworm-like modular robotic crawler based on fluidic prestressed composite(FPC)actuators.The FPC actuator...; 关键词：Soft robot Soft crawler Fluidic prestressed composite Kinematic model Enhanced loading Multi-modal capability

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

Study on damage-stress loss coupling model of rock and prestressed anchor cable in dry-wet environment: 《International Journal of Mining Science and Technology》2023年第12期1451-1467,共17页Yu Zhao Huasu Wang Jing Bi Zhijun Wu Chaolin Wang Jiabao Ma; This work was supported by National Natural Science Foundation of China(Nos.52164001,52064006 and 52004072);the Science and Technology Support Project of Guizhou(Nos.[2020]4Y044),[2021]N404 and[2021]N511);the Cultivation Program of Guizhou University([2020]No.1);the Talents of Guizhou University(No.201901);the Special Research Funds of Guizhou University(Nos.201903,202011 and 202012).; The loss of anchoring force is one of the problems to be solved urgently.The anchorage loss is a key factor causing the failure of anchoring engineering,so it is crucial to study the time-dependent variation of anchor...; 关键词：D-W cycles Anchoring force loss Coupled model Pore structure Prestressed device

Antiplane shear crack in a prestressed elastic medium based on the couple stress theory: 《Applied Mathematics and Mechanics(English Edition)》2023年第4期583-602,共20页Jian CHEN Yawei WANG Xianfang LI; Project supported by the National Natural Science Foundation of China(Nos.11672336,12072374)。; A prestressed elastic medium containing a mode-Ⅲcrack is studied by means of the couple stress theory(CST).Based on the CST under initial stresses,a governing differential equation along with a mixed boundary value p...; 关键词：couple stress theory(CST) initial stress antiplane shear crack SINGULARITY hypersingular integral equation

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