Acquisition of a Closed-Loop Hydraulic Loading System and Data Acquisiton System for Research and Teaching in Structural Engineering (MRI/RUI)

设计了一种闭环液压加载与电子数据采集系统。该系统将提供在静态、循环或动态加载条件下对结构材料和结构构件进行载荷控制或位移控制测试的能力。数据采集系统将与液压加载系统一起使用，并允许同时监测80条数据通道（应变、载荷、位移等）。所要求的设备代表了pi目前使用的测试系统的重大升级。目前的加载系统仅限于静态测试，可以施加负载，但不能通过手动开环系统进行控制。现有的数据采集设备在扫描速度和精度上受到限制，不能适应动态测试。工程学院正在实施一项七年战略计划，结构工程被列为重点领域，将重点放在基础设施的支持和发展方面。与此计划相结合的是，一个新的9500平方英尺的实验实验室将于2004年在校园开放，用于结构工程的研究和教学。该提案中要求的测试系统在设计时考虑到了这一点，因为该设备将在现有实验室和新设施中使用。设计的系统也很容易升级，以适应长期需求。通过各种机制，本科生将有机会使用所要求的设备进行研究。由于工程学院继续致力于为这些群体提供工程教育的机会，代表性不足的群体将受益。

Abstract A closed-loop hydraulic loading and electronic data acquisition system will be acquired. The system will providethe the capability to conduct load-controlled or displacement-controlled tests on structuralmaterials and structural members under static, cyclic, or dynamic loading conditions. The dataacquisition system will be used in conjunction with the hydraulic loading system and will allowfor the simultaneous monitoring of eighty channels of data (strain, load, displacement, etc.). Theequipment requested represents a significant upgrade from the testing systems currently used bythe PIs. The current loading system is limited to static testing, and load can be applied but notcontrolled via the manual open-loop system. Current data acquisition equipment is limited inscanning speed and precision, and cannot accommodate dynamic testing.The College of Engineering is implementing a seven year strategic plan, andStructural Engineering is categorized as a thrust area on which emphasis will be placed withrespect to support and development of infrastructure. In conjunction with this plan, a new 9500square foot experimental laboratory for research and teaching in structural engineering isscheduled to open on campus in 2004. The testing system requested in this proposal wasdesigned with this in mind, as the equipment will be usable in both the existing laboratory and thenew facility. The systems designed are also easily upgradeable to accommodate long-term needs. Through a variety of mechanismsl, undergraduates will have the opportunity to use the requested equipment to conductresearch. Underrepresented groups will benefit as a result of the continued commitment the College of Engineering toward providing opportunities for these groups in engineering education.