Physical Modeling of Dynamic Behavior of Piles and Pile Groups

桩和桩群动态行为的物理模型

• 批准号: 9712835
• 负责人: Ronald Pak
• 金额: $ 19万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-05-01 至 2003-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9712835&HistoricalAwards=false
• 关键词: Physical; Modeling; Dynamic; Behavior; Piles

The goal of this research program is to develop a realistic understanding of the complex dynamic behavior of piles and pile groups. The aim is to develop a comprehensive database to (1) measure quantitatively the influence of realistic soil behaviors, practical soil profiles, pile configurations, static foundation preloads, and dynamic excitation levels, and (2) to validate and evaluate the accuracy and limitations of current analytical models and computational methods for analyzing soil-foundation interaction.To achieve these goals, a series of experiments are being conducted on physical models of single and group piles embedded in the ground. The results from these experiments will be used to calibrate and improve the predictive capability of the state-of-the-art analytical models (both simplified and complex) for soil dynamics analysis.

这项研究计划的目标是发展一个现实的理解复杂的动态行为的桩和桩群。 目的是建立一个综合数据库，以（1）定量测量实际土壤特性、实际土壤剖面、桩配置、静态基础预载荷和动态激励水平的影响，（2）验证和评估当前分析模型和计算方法的准确性和局限性，以分析土-基础相互作用。目前正在对埋入地下的单桩和群桩的物理模型进行一系列试验。 这些实验的结果将用于校准和提高最先进的分析模型（简化和复杂）的预测能力，用于土壤动力学分析。