A NEES Geotechnical Centrifuge Facility

NEES 岩土离心机设施

• 批准号: 0086566
• 负责人: Bruce Kutter
• 金额: $ 461.43万
• 依托单位: University of California-Davis
• 依托单位国家: 美国
• 项目类别: Cooperative Agreement
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-10-01 至 2006-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0086566&HistoricalAwards=false
• 关键词: NEES; Geotechnical; Centrifuge; Facility

CMS-00865566KutterThe Network for Earthquake Engineering Simulation (NEES) Program is a project funded under the NSF Major Research Equipment Program. This cooperative agreement, under the NEES Program, establishes a NEES centrifuge earthquake engineering research equipment site at the University of California (UC), Davis. UC Davis will design, purchase, construct, install, commission, and operate new equipment for, and upgrades to, its existing Geotechnical Centrifuge. The upgraded Centrifuge will be operational by 2004 or earlier 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 collaboratory 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 00-6, NEES: Earthquake Engineering Research Equipment. This Centrifuge is located in the Center for Geotechnical Modeling, two miles west of the University of California, Davis campus, and has been used by UC Davis faculty and students and other researchers since 1996. UC Davis will provide infrastructure improvements for housing and operating the Centrifuge and for storing new equipment. This award provides the following equipment: (a) modifications to the Centrifuge to enable operation up to 80 g, (b) upgrades to the existing horizontal shaker, (c) one large hinged-plate container, (d) one biaxial horizontal-vertical shaker, (e) one four degree-of-freedom robot, robot tools, and associated software, capable of installing and/or operating test devices such as piles, penetrometers, deep soil vibrators, and video inspection devices without stopping the Centrifuge, (f) networked data acquisition systems with Internet teleobservation/teleoperation capability provided through the campus' Gigabit Ethernet Backbone, (g) data visualization capabilities with a high resolution projection system, (h) ten strands of 20 dual-axis digital MEMS accelerometers developed under a subaward to Integrated Mico Instruments, and (i) tomographic imaging and geophysical testing tools/methodologies, developed under a subward to the Georgia Institute of Technology. The capabilities provided by the upgraded Centrifuge will enable researchers to investigate important problems in earthquake engineering such as: soil-pile-structure interaction in soft or liquefiable soils; the effects of vertical shaking on bridge structures, industrial and lifeline facilities, slopes, and embankment dams; and ground improvement methods to mitigate liquefaction hazards. UC Davis will integrate experimentation with the upgraded Centrifuge into its research program and undergraduate and graduate curricula and provide training opportunities for outside researchers.

CMS-00865566Kutter地震工程模拟网络 (NEES) 计划是 NSF 重大研究设备计划资助的项目。 根据 NEES 计划，该合作协议将在加州大学戴维斯分校 (UC) 建立 NEES 离心机地震工程研究设备基地。加州大学戴维斯分校将为其现有的岩土离心机设计、购买、建造、安装、调试和操作新设备，并对其进行升级。升级后的离心机将在 2004 年或更早之前投入运行，并将作为国家共享 NEES 设备站点进行管理，具有远程观测和远程操作能力，到 2014 年提供新的地震工程研究测试能力。该 NEES 设备站点将连接到NEES 通过高性能网络进行协作。 共享使用和培训将通过 NEES 联盟进行协调。 该奖项是对提交给 NSF 00-6、NEES：地震工程研究设备计划征集的提案进行同行评审的结果。 该离心机位于加州大学戴维斯分校校园以西两英里的岩土建模中心，自 1996 年以来一直被加州大学戴维斯分校的教职员工、学生和其他研究人员使用。加州大学戴维斯分校将为该离心机的住房和运营提供基础设施改进。离心机和用于存放新设备。 该奖项提供以下设备：(a) 对离心机进行改造，使其能够在高达 80 g 的压力下运行，(b) 升级现有的水平摇床，(c) 一个大型铰接板容器，(d) 一台双轴水平-垂直摇床振动台，（e）一台四自由度机器人、机器人工具和相关软件，能够在不停止工作的情况下安装和/或操作测试设备，例如桩、贯入计、深层土壤振动器和视频检查设备离心机，(f) 通过校园千兆位以太网主干网提供的具有互联网远程观测/远程操作能力的网络数据采集系统，(g) 具有高分辨率投影系统的数据可视化能力，(h) 十串 20 个双轴数字 MEMS 加速度计在 Integrated Mico Instruments 的子资助下开发，以及 (i) 断层扫描成像和地球物理测试工具/方法，在佐治亚理工学院的子资助下开发。升级后的离心机提供的功能将使研究人员能够研究地震工程中的重要问题，例如：软土或可液化土壤中的土-桩-结构相互作用； 垂直震动对桥梁结构、工业和生命线设施、斜坡和堤坝的影响；以及减轻液化危险的地面改良方法。加州大学戴维斯分校将把升级后的离心机实验纳入其研究计划以及本科生和研究生课程中，并为外部研究人员提供培训机会。