Research on dynamic behavior of cracked simply supported girder bridge under moving vehicular loads

来源 :The 7th International Conference on Bridge Maintenance, Safe | 被引量 : 0次 | 上传用户:Leechen17008
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  On the operating condition,concrete structures often work with cracks.The stiffness of the structure will be affected by cracks,which influence the dynamic characteristics of structure.Vehicular loads are main load for simply supported girder bridge,so it is significant to research on dynamic behavior of cracked simply supported girder bridge under moving vehicular loads.
其他文献
电动助力转向系统(EPS)耐久性试验台实现了在实验室环境下,通过伺服电动机模拟驾驶人对方向盘的操作,采用磁粉制动器仿真不同路况下的转向受力情况等主要方式,对EPS实际使用工况进行模拟,以判断其潜在失效模式,验证其耐久性及可靠性.系统结构灵活可调,软件测试序列可编辑,能适应多种EPS,并可同时完成对4个EPS测试.
To analyse torsional vibration of the powertrain system for series hybrid vehicle, which consisted of dynamic vibration absorber (DVA) , V12 diesel engine, speed increaser and a generator, a lumped pa
With the advantages of non-pollution, low noise, and high energy efficiency, electric cars have become an important trend.The vehicle fault diagnostic protocol ISO15765 is introduced, and a CAN-based
Although automobile lightweight technology is the R&D focus of automotive engineering at current, it brings little attention in automotive industry for the lightweight technology of the interior trim
为实现DCT电控系统的功能安全,按照道路车辆功能安全标准ISO26262制定其开发流程。根据整车对DCT的安全目标及功能安全需求,结合3层监控概念对该系统架构进行分层设计,并对安全子系统进行详细设计,在此基础上开发电控系统硬件和软件安全设计规范,最后对所设计系统及规范进行检验。结果表明,所设计系统符合ISO 26262要求,能实现整车的安全目标。
The method for automotive door hinge axis design and layout is introduced.An example of a front door hinge assembly is presented to show the detailed strategy and influence factors in door hinge axis
With CFD software, the 3-D flow field of a van-body truck and its aerodynamic drag coefficient are obtained based on numerical simulation.The Cd optimization of the truck is carried out by installing
The load-sensing valve system can improve braking performance and stability of vehicles.It studies the load-sensing valve system matching performance of the independent suspension, and establishes the
Practical experiences word-wide in past revealed that the fatigue life oforthotropic steel decks can be much shorter than other major structural members in highway bridges,which introduces a great cha
会议
In recent years,numbers of bridges have been constructed in China.Research on maintaining of these bridges becomes more and more important,especially for long span bridges.A structure usually wont be
会议