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国家自然科学基金(50978056): 作品数：13被引量：95H指数：7; 导出分析报告; 相关作者：李爱群王立彬王浩李枝军韩晓林更多>>; 相关机构：东南大学南京林业大学更多>>; 相关期刊：《Frontiers of Structural and Civil Engineering》《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》《东南大学学报（自然科学版）》《Wuhan University Journal of Natural Sciences》更多>>; 相关主题：悬索桥SUSPENSION_BRIDGE结构健康监测系统BASED_ON斜拉索更多>>; 相关领域：建筑科学交通运输工程电子电信航空宇航科学技术更多>>

损伤拉索的等效弹性模量及其参数分析被引量：7: 《计算力学学报》2015年第3期339-345,共7页王立彬王达吴勇; 国家自然科学基金(50978056);住房与城乡建设部科学技术(2010K28);江苏省优势学科建设工程(PAPD)资助项目; 损伤拉索会出现线形松弛、应力水平降低的情况,必然会影响拉索的等效弹性模量。本文首先引入损伤程度、位置及范围3个参数,用以描述拉索损伤形态的特征,建立损伤拉索索力和线形计算公式,采用数值方法计算了损伤拉索弦向等效弹性模量精...; 关键词：拉索损伤参数等效弹性模量弦向应变弦向长度

Study on Wind Characteristics of Typhoon Muifa on the Sutong Bridge: 《Wuhan University Journal of Natural Sciences》2013年第2期156-162,共7页XU Chaoran WANG Hao CHENG Huaiyu ZONG Zhouhong ZHANG Yufeng; Supported by the National Natural Science Foundation of China(50908046,50978056);the Teaching and Scientific Research Fund for Excellent Young Teachers of Southeast University(3205001101);the Basic Scientific andResearch Fund of Southeast University(Seucx-201106);the Priority Academic Program Development Foundation of Jiangsu Higher Education Institutions,China; As a cable-stayed bridge with the longest main span, the Sutong Bridge faces the threat of typhoons every year. Based on field measured data measured at the top of the tower and at the mid-span by anemometers, Typhoon...; 关键词：field measurement cable-stayed bridge TyphoonMuifa wind characteristics

斜拉索钢丝断裂强度分析被引量：1: 《防灾减灾工程学报》2013年第2期125-130,146,共7页王立彬郭宗丽李爱群王达; 国家自然科学基金项目(50978056);住房与城乡建设部科学技术项目(2010K28);江苏省高校自然科学基金项目(06KJBS80046)资助; 首先,以断裂力学为基础,运用有限单元软件ANSYS分析计算了用于表征斜拉索钢丝表面裂纹扩展速度的参量应力强度因子(SIF),在此基础上分析了裂纹形状参数对钢丝应力强度因子修正系数F的影响规律,并拟合出F的两参数表达式;然后,通过裂纹最...; 关键词：应力强度因子修正系数裂纹深度断裂韧性

Design and experimental verification of a new multi-functional bridge seismic isolation bearing被引量：8: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2012年第12期904-914,共11页Chen-xi XING Hao WANG Ai-qun LI Ji-rong WU; Project supported by the National Natural Science Foundation of China(Nos.50725828,50908046,and 50978056);the Teaching&Scientific Research Fund for Excellent Young Teachers of Southeast University,the Basic Scientific&Research Fund of Southeast University(No Seucx201106);the Priority Academic Program Development of Jiangsu Higher Education Institutions,China; A new multi-functional bridge seismic isolation bearing(MFBSIB) is designed and its mechanical model is developed in this paper.Combining an upper sliding device and a lower energy dispassion isolation device effectiv...; 关键词：Seismic isolation bearing Sliding device Finite element analysis Model experiment BRIDGE

基于寿命函数的斜拉索系统维修更换策略研究被引量：5: 《土木工程学报》2012年第6期162-170,共9页王立彬李爱群马小利丁盛; 国家自然科学基金(50978056);住房与城乡建设部科学技术项目(2010K28);江苏省高校自然科学基金(06KJBS80046); 展开寿命周期内拉索劣化规律和维修更换策略的研究,获得桥梁结构的最优成本-效益比,是缆索桥梁养护维修的重要研究内容之一。根据拉索寿命函数和拉索系统的串并联模型,研究斜拉桥拉索系统失效概率变化即结构劣化的规律,分析全寿命周期...; 关键词：斜拉索寿命函数串并联模型全寿命周期成本拉索养护

Digital simulation of 3D turbulence wind field of Sutong Bridge based on measured wind spectra被引量：2: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2012年第2期91-104,共14页Hao WANG Zhou-hong ZONG Ai-qun LI Teng TONG Jie NIU Wen-ping DENG; supported by the National Natural Science Foundation of China (Nos. 50725828, 50908046, and 50978056);the Teaching & Scientific Research Fund for Excellent Young Teachers of Southeast University;the Open Fund of Jiangsu Key Laboratory of Environmental Impact and Structural Safety in Engineering;the Basic Scientific & Research Fund of Southeast University (No. Seucx-201106);the Priority Academic Program Development Foundation of Jiangsu Higher Education Institutions, China; Time domain analysis is an essential implement to study the buffeting behavior of long-span bridges for it can consider the non-linear effect which is significant in long-span bridges. The prerequisite of time domain ...; 关键词：Turbulence simulation Spectral representation method Fast Fourier transform （FFT） Cable-stayed bridges Struc-tural health monitoring system （SHMS） Power spectral density

宿迁某高层剪力墙住宅基础隔震设计方法研究被引量：6: 《江苏建筑》2011年第6期16-19,共4页耿方方李爱群张志强; 国家自然科学基金资助项目(50978056); 某高层剪力墙住宅位于地震高烈度区江苏省宿迁市,为了提高其抗震性能采用了基础隔震技术。由于我国规范对地震高烈度区建造高层隔震建筑还没有明确的设计依据,文中将组合隔震设计方法应用于该建筑的基础隔震设计中。为满足设定的抗震性...; 关键词：高层建筑基础隔震组合隔震时程分析

Assessment of bridge expansion joints using long-term displacement measurement under changing environmental conditions被引量：9: 《Frontiers of Structural and Civil Engineering》2011年第3期374-380,共7页Youliang DING Aiqun LI; the support of the National Natural Science Foundation of China(Grant Nos.50725828,50808041 and 50978056);the Ph.D.Program Foundation of the Ministry of Education of China(Grant No.200802861011);the Teaching and Research Foundation for Excellent Young Teachers of Southeast University.; This paper addresses the problem of condition assessment of bridge expansion joints using long-term measurement data under changing environmental conditions.The effects of temperature,traffic loading and wind on the e...; 关键词：structural health monitoring DISPLACEMENT expansion joint temperature effect wind effect traffic loading statistical process control suspension bridge

Characteristics of strong winds at the Runyang Suspension Bridge based on field tests from 2005 to 2008被引量：6: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2010年第7期465-476,共12页Hao WANG; Project supported by the National Natural Science Foundation of China (Nos. 50725828, 50908046, and 50978056);the National Science & Technology Pillar Program (No. 2006BAJ03B05);the PhD Program Foundation of MOE (No. 200802861012), China; Field measurement of strong wind characteristics is of great significance for the development of bridge wind engineering. Located in east China, the Runyang Suspension Bridge (RSB) with a main span of 1490 m is the lo...; 关键词：Suspension bridge Strong wind Wind characteristic Field test Structural health monitoring system (SHMS)

Parameter effects on the dynamic characteristics of a super-long-span triple-tower suspension bridge被引量：14: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2010年第5期305-316,共12页Hao WANG Ke-guan ZOU Ai-qun LI Chang-ke JIAO; Project supported by the National Natural Science Foundation of China (NSFC) (No. 50978056);the NSFC for Young Scholars (No. 50908046);the PhD Programs Foundation of MOE of China (No. 200802861012); A 3D finite element model for the Taizhou Yangtze River Bridge,the first triple-tower long-span suspension bridge in China,is established based on the nonlinear finite element software ABAQUS,and the dynamic character...; 关键词：Suspension bridge Taizhou Bridge Triple-tower Dynamic characteristics Super-long-span

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