High Strain Dynamic Moduli and Damping Characteristics of Treated Soils

处理过的土壤的高应变动态模量和阻尼特性

• 批准号: 9110381
• 负责人: Ali Maher
• 金额: $ 11.45万
• 依托单位: Rutgers University New Brunswick
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-02-01 至 1994-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9110381&HistoricalAwards=false
• 关键词: Strain; Dynamic; Moduli; Damping; Characteristics

Different soil treatment methods may be used for new construction to minimize damage due to strong earthquakes. Little formal research exists to assist in the analysis of the proper soil improvement technique to use, though many advances have occurred through innovative construction techniques developed by specialty contractors. This project involves a collaboration between Professor Maher of Rutgers University and Mr. Joseph Welsh of Hayward Baker Inc., an internationally-recognized specialty contractor in soil improvement and foundation remediation. The objective of this collaboration is to study the behavior of treated soils subjected to high strain cyclic loads such as those experienced during earthquakes. Dynamic properties, that is, shear moduli and damping characteristics, of both admixture and grout-treated soils are being investigated to assess: a) the potential of soil treatment as a viable option in the mitigation of earthquake hazards, and b) the response of existing treated soil-structure systems to earthquake loads.

可以使用不同的土壤处理方法 新建筑，以尽量减少损害， 强烈的地震。 很少有正式的研究 存在以协助分析适当的土壤 改进技术使用，虽然许多 通过创新， 专业开发施工技术 承建商 这个项目涉及到 罗格斯大学教授马赫和先生。 海沃德贝克公司的约瑟夫·威尔士，一个 国际认可的专业承包商 在土壤改良和基础 补救措施 的目的 协作就是研究 高应变循环处理土 负载，例如在 地震 动态特性，即， 剪切模量和阻尼特性， 混合物和灌浆处理的土壤都 正在进行调查，以评估： 土壤处理作为一个可行的选择， 减轻地震灾害，以及B） 现有处理土结构的响应 系统的地震荷载。