Experimental Study of Earthquake-Induced Soil Liquefaction and Lateral Spreading and its Effects on Pile-Supported Port Facilities
地震引起土体液化横向扩展及其对桩基港口设施影响的试验研究
基本信息
- 批准号:9612233
- 负责人:
- 金额:$ 27.51万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1996
- 资助国家:美国
- 起止时间:1996-09-15 至 1999-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
*** 9612233 Dobry Lateral spreading of sloping ground or of soil near a waterfront is a pervasive and costly type of liquefaction induced ground failure resulting from earthquakes. It causes damage to buildings, bridges, embankments, buried lifelines, and, especially, port facilities. Especially important is the distress caused to pile foundations, as illustrated by case histories in a number of earthquakes, including the 1989 Loma Prieta and 1995 Kobe (Japan) and Manzanillo (Mexico) events. Accumulated losses due to lateral spreading, including effects on piles and port facilities, reaches the billions of dollars. Although progress has been made toward predicting, quantifying and mitigating these effects, there is an urgent need for improved evaluation procedures. The project is part of a cooperative research program with the Universidad Nacional Autonoma de Mexico (UNAM). It focuses on (1) geotechnical centrifuge model testing at Rensselaer Polytechnic Institute (RPI) of earthquake-induced lateral spreading and its effects on single piles and pile groups (2) laboratory static and cyclic loading research at UNAM on soil from Puerto Manzanillo (3) numerical analyses of both lateral spreading and its effects on piles, and (4) associated interpretations and recommendations, with particular emphasis on port facilities. It includes centrifuge modeling at RPI of the Puerto Manzanillo case history during the October 1995 earthquake, and further evaluation of this case history based on the centrifuge results and other information at UNAM. The work of the two groups is closely coordinated. The numerical simulations of the centrifuge model tests on single piles and pile groups subjected to lateral spreading are performed at Cornell University.***
* 9612233 Dobry倾斜地面或滨水区附近土壤的横向扩展是一种普遍且昂贵的液化引起的地震引起的地面破坏类型。 它对建筑物、桥梁、桥梁、被掩埋的生命线,特别是港口设施造成损害。 特别重要的是对桩基础造成的破坏,如1989年洛马普列塔和1995年科比(日本)和曼萨尼约(墨西哥)地震等一些地震的历史案例所示。 由于横向扩散造成的累积损失,包括对桩和港口设施的影响,达到数十亿美元。 虽然在预测、量化和减轻这些影响方面取得了进展,但迫切需要改进评估程序。 该项目是与墨西哥国立自治大学(UNAM)合作研究计划的一部分。 它侧重于(1)在伦斯勒理工学院(RPI)进行的地震引起的横向扩展及其对单桩和群桩影响的土工离心模型试验(2)在墨西哥国立自治大学对曼萨尼约港土壤进行的实验室静态和循环荷载研究(3)横向扩展及其对桩影响的数值分析,以及(4)相关解释和建议,特别强调港口设施。 它包括在1995年10月地震期间在RPI对Puerto Manzanillo案例历史进行离心建模,并根据离心机结果和UNAM的其他信息对该案例历史进行进一步评估。 两个小组的工作密切协调。 在康奈尔大学进行了横向扩展的单桩和群桩离心模型试验的数值模拟。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
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Ricardo Dobry其他文献
Centrifuge modeling-of-models investigation on earthquake-induced excess pore pressure behavior of silty sand
- DOI:
10.1016/j.soildyn.2024.108906 - 发表时间:
2024-10-01 - 期刊:
- 影响因子:
- 作者:
Mohamed E. Ghazy;Tarek Abdoun;Ricardo Dobry;Waleed El-Sekelly - 通讯作者:
Waleed El-Sekelly
Ricardo Dobry的其他文献
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{{ truncateString('Ricardo Dobry', 18)}}的其他基金
EAGER: Exploratory Research on Seismic Liquefaction of Sand at Low and High Confining Pressures
EAGER:低围压和高围压砂土地震液化探索性研究
- 批准号:
1545026 - 财政年份:2015
- 资助金额:
$ 27.51万 - 项目类别:
Standard Grant
NEESR-SG: Experimental and Micromechanical Computational Study of Pile Foundations Subjected to Liquefaction-Induced Lateral Spreading
NEESR-SG:液化诱导横向扩展桩基的实验和微力学计算研究
- 批准号:
0529995 - 财政年份:2005
- 资助金额:
$ 27.51万 - 项目类别:
Standard Grant
Upgrading, Development and Integration of Next Generation Earthquake Engineering Experimental Capability at Rensselaer's 100 g-ton Geotechnical Centrifuge
伦斯勒 100 克吨岩土离心机下一代地震工程实验能力的升级、开发和集成
- 批准号:
0086555 - 财政年份:2000
- 资助金额:
$ 27.51万 - 项目类别:
Cooperative Agreement
Earthquake-Resistant Design and Remediation of Lifelines and Deep Foundations Subjected to Liquefaction: Centrifuge Modeling and Engineering Interpretations
液化生命线和深层基础的抗震设计和修复:离心机建模和工程解释
- 批准号:
9820842 - 财政年份:1999
- 资助金额:
$ 27.51万 - 项目类别:
Continuing Grant
Earthquake-Resistant Design and Remediation of Lifelines and Deep Foundations Subjected to Liquefaction: Centrifuge Modeling and Engineering Interpretations
液化生命线和深层基础的抗震设计和修复:离心机建模和工程解释
- 批准号:
9812581 - 财政年份:1998
- 资助金额:
$ 27.51万 - 项目类别:
Standard Grant
New Constitutive Relation for Granular Soils Based on RecentParticulate Mechanics Findings
基于最新颗粒力学研究结果的粒状土的新本构关系
- 批准号:
9728623 - 财政年份:1997
- 资助金额:
$ 27.51万 - 项目类别:
Standard Grant
VELACS-Verification of Liquefaction Analysis using Centrifuge Studies-An Extension
VELACS-使用离心机研究验证液化分析-扩展
- 批准号:
9527557 - 财政年份:1995
- 资助金额:
$ 27.51万 - 项目类别:
Continuing Grant
Symposium on Centrifuge Modelling for Geotechnical and Earthquake Engineering Applications, Troy, NY, 14 July 1992
岩土和地震工程应用离心机建模研讨会,纽约州特洛伊,1992 年 7 月 14 日
- 批准号:
9216234 - 财政年份:1992
- 资助金额:
$ 27.51万 - 项目类别:
Standard Grant
Numerical and Experimental Study of Stress-Strain Behavior of Granular Soils using Random Arrays of Elastic Ellipsoids
使用弹性椭球体随机阵列对粒状土的应力应变行为进行数值和实验研究
- 批准号:
9106189 - 财政年份:1991
- 资助金额:
$ 27.51万 - 项目类别:
Continuing Grant
Velacs - Verification of Liquefaction Analysis By CentrifugeStudies
Velacs - 通过 CentrifugeStudies 验证液化分析
- 批准号:
9016880 - 财政年份:1990
- 资助金额:
$ 27.51万 - 项目类别:
Continuing Grant
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