技术
- 网络安全和隐私 - 入侵检测
- 传感器 - 电表
适用行业
- 水泥
- 建筑与基础设施
适用功能
- 产品研发
用例
- 行为与情绪追踪
- 结构健康监测
关于客户
URS Corporation 是一家一流的全方位服务工程、规划、设计和施工公司,拥有近一个世纪的商业经验。 URS 在 20 个国家/地区设有 300 个办事处,拥有超过 26,000 名员工,被认为是大坝工程、设计分析和安全领域的领导者。该公司经常为市政当局、公用事业公司和政府机构(例如美国鱼类和野生动物管理局、美国垦务局和美国陆军工程兵团)进行安全检查。
挑战
URS Corporation 是一家领先的全方位服务工程、规划、设计和施工公司,其任务是对俄亥俄州马霍宁县的麦凯尔维湖大坝进行全面的结构稳定性评估。该大坝是一座 77 英尺高的混凝土拱形结构,坝顶长度约为 350 英尺,形成一个最大蓄水量为 4,345 英亩-英尺的水库。面临的挑战是确保反复的冻融循环不会因洪水荷载的增加而损害大坝的完整性。传统上,此类分析需要进行广泛的现场调查,以收集混凝土和基岩样本进行实验室测试。然而,这个过程既耗时又昂贵,特别是对于位于偏远地区的水坝而言。此外,创建大量计算机模型并运行广泛的单独模拟以彻底分析所有相互关联的变量,这增加了项目的复杂性和成本。
解决方案
为了克服这些挑战,URS 工程师使用 ANSYS DesignXplorer VT 进行灵敏度和参数研究。该软件使用变分技术 (VT) 方法来评估一系列变量对结构强度的影响,包括混凝土墙和基岩材料特性以及最大载荷假设。该软件使用单个有限元解决方案确定多个参数对整体结构性能的影响。结果以各种格式提供,包括响应曲面图,可提供对设计行为的深入了解,否则使用单独的单次分析运行很难生成这些设计行为。研究很快证实,大坝具有足够的能力,可以针对大范围的假设地基和材料特性重新分配荷载。
运营影响
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