Multi-Axial Full-scale Sub-Structuring Testing & Simulation Facility

多轴全尺寸子结构测试

• 批准号: 0217325
• 负责人: Amr Elnashai
• 金额: $ 295.8万
• 依托单位: University of Illinois at Urbana-Champaign
• 依托单位国家: 美国
• 项目类别: Cooperative Agreement
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-09-01 至 2004-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0217325&HistoricalAwards=false
• 关键词: Multi; Axial; Full; scale; Sub

CMS-0217325 ElnashaiThe George E. Brown, Jr. Network for Earthquake Engineering Simulation (NEES) is a project funded under the NSF Major Research Equipment and Facilities Construction account. This cooperative agreement establishes a NEES Multi-Axial Full-Scale Sub-Structured Testing and Simulation (MUST-SIM) Facility at the University of Illinois at Urbana-Champaign (UIUC). UIUC will design, purchase, construct, install, commission, and operate new equipment and additions to the Newmark Laboratories to enable the testing of full-scale structures or part of structures, including their foundations and soil mass, while simulating the remaining parts. The MUST-SIM facility will be operational by September 2004 and will be managed as a national shared-use NEES equipment site, with teleobservation and teleoperation capabilities, to provide new earthquake engineering research testing capabilities through 2014. This NEES equipment site will be connected to the NEES network system through a high performance network. Shared-use access and training will be coordinated through the NEES Consortium. This award is the outcome of peer review of this proposal submitted to program solicitation NSF-01-164, "NEES Earthquake Engineering Research Equipment, Phase 2." The primary objective of the proposed effort will be to create a facility in which a full-scale subassembly can be subjected to complex loading and imposed deformation states at multiple connection points on the subassembly, including the connection between the structure and its foundation. The proposed MUST-SIM facility has the following components: (i) 6-DOF load and position control at three connection points, (ii) system modularity to allow for easy expansion and low-cost maintenance/operation, (iii) multiple dense arrays of non-contact measurement devices, (iv) T-section strong wall creating two testing compartments each providing support in three loading planes and (v) advanced visualization and data mining capabilities for integrated teleoperation and teleobservation. The proposed MUST-SIM facility realizes the first two features through the development of modular six-DOF "Loading and Boundary Condition Boxes" (LBCB) that allow for precise application of complex load and boundary conditions. The LBCBs, which are 3.5 m x 1.5 m x 1.5 m and house six actuators each, will be able to impose motions on the test structures that are determined from the results of concurrently running numerical models of the test specimen and the surrounding structure/foundation/soil system employing pseudo-dynamic testing methods. Dense arrays of state-of-the-art, non-contact instrumentation, will allow near real-time model updating for the model-based simulation. The three systems envisaged are (a) the Krypton Rodyum coordinate measuring system, (b) Stress Photonics digital photo-elasticity and (c) close range digital photogrammetry. Additionally, this facility and its telepresence/teleoperation capabilities will be enhanced by development of multi-function data visualization and knowledge interpretation tools in cooperation with the Automated Learning Group of NCSA. This is likely to be based on the D2K (data-to-knowledge) framework developed at NCSA, with state-of-the-art visualization and control facilities. The proposed reaction wall is a T-section structure of length 25 meters and height 9 meters. The T-section web is at mid-length and is 15 meters wide. The MUST-SIM facility will be deployed in testing complete soil-foundation-structure systems to meet the new and major earthquake engineering challenges, not only in research and development towards seismic risk reduction, but also towards education and training of engineers through integration into curricula at the University and through the NSF-funded Mid-America Earthquake Center's Education and Outreach program.

CMS-0217325 Elnashai The乔治E.小布朗地震工程模拟网络（NEES）是美国国家科学基金会重大研究设备和设施建设项目。该合作协议在伊利诺伊大学香槟分校（UIUC）建立了NEES多轴全尺寸子结构测试和仿真（MUST-SIM）设施。UIUC将设计，购买，建造，安装，调试和操作新设备和Newmark实验室的附加设备，以测试全尺寸结构或部分结构，包括其基础和土体，同时模拟其余部分。MUST-SIM设施将于2004年9月投入使用，并将作为国家共享使用的NEES设备站点进行管理，具有远程观测和远程操作能力，以便在2014年之前提供新的地震工程研究测试能力。该NEES设备站点将通过高性能网络连接到NEES网络系统。共享使用的访问和培训将通过NEES联盟进行协调。该奖项是同行评审的结果，该提案提交给计划招标NSF-01-164，“NEES地震工程研究设备，第2阶段。“拟议努力的主要目标将是创建一个设施，其中一个全尺寸的子组件可以在子组件的多个连接点处承受复杂的载荷和施加的变形状态，包括结构与其基础之间的连接。 拟议的MUST-SIM设施有以下组成部分：（i）在三个连接点处的6-DOF负载和位置控制，（ii）系统模块化以允许容易扩展和低成本维护/操作，（iii）非接触式测量设备的多个密集阵列，（iv）T形截面坚固墙，形成两个测试隔间，每个隔间在三个装载平面上提供支撑;以及（v）先进的可视化和数据挖掘功能，用于集成远程操作和远程观察。建议的MUST-SIM设施实现了前两个功能，通过开发模块化的六自由度“加载和边界条件箱”（LBCB），允许精确应用复杂的负载和边界条件。 LBCB的尺寸为3.5 m x 1.5 m x 1.5 m，每个都装有六个致动器，将能够对测试结构施加运动，这些运动是根据采用伪动态测试方法同时运行的试样和周围结构/基础/土壤系统的数值模型的结果确定的。 密集阵列的国家的最先进的，非接触式仪器，将允许近实时模型更新的模型为基础的模拟。设想的三个系统是（a）Krypton Rodyum坐标测量系统，（B）Stress Photonics数字光弹性和（c）近距离数字摄影测量。 此外，还将通过与国家能力自评的自动化学习小组合作开发多功能数据可视化和知识解释工具，加强这一设施及其远程呈现/远程操作能力。这可能基于NCSA开发的D2 K（数据到知识）框架，具有最先进的可视化和控制设施。建议的反应墙是一个T形截面结构，长25米，高9米。T形截面腹板为中等长度，宽15米。该MUST-SIM设施将部署在测试完整的土壤基础结构系统，以满足新的和重大的地震工程挑战，不仅在研究和开发地震风险降低，而且对教育和培训工程师通过整合到大学的课程，并通过NSF资助的中美洲地震中心的教育和推广计划。