Testing the Liquefaction (Ground Failure) Sites Resulting from the 1989 Loma Prieta Earthquake

测试 1989 年洛马普列塔地震造成的液化(地面破坏)地点

基本信息

项目摘要

This project is part of the NSF/USGS initiative within the National Earthquake Hazard Reduction Program (NEHRP) to investigate the effects of the Loma Prieta earthquake of 17 October 1989. This research program involves collaborative funding between the National Science Foundation and the U.S. Geological Survey. It utilizes a truck-mounted 20 ton electronic cone penetration system (for penetration measurements in soil), as well as a unique laboratory testing system which facilitates measurement of primary (P) and secondary (S) seismic waves in soils. Together, they permit the accurate determination of in-situ stresses in the soil. The soil measurements include the cone penetration test (CPT), seismic-CPT, the Marchetti Flat Dilatometer (DMT) and the bender element oedometer (BEO). The objectives of this research are: (1) to supplement the existing data base of cone tip resistance, shear wave velocity, and dilatometer indices versus liquefaction potential, (2) to investigate the effects of lateral earth pressures on the liquefaction potential, and (3) to study the effects of soil disturbance and time (aging) on soil stiffness and strength.
该项目是NSF/USGS的一部分。 国家地震局的倡议 减少危害计划(NEHRP), 调查洛马普列塔的影响 1989年10月17日地震。 这项研究计划涉及合作 国家科学基金会 基金会和美国地质调查局。 它利用一个卡车安装的20吨电子 圆锥贯入系统(用于贯入 土壤中的测量),以及独特的 实验室测试系统, 测量初级(P)和次级(S) 土壤中的地震波 他们一起 可以准确地确定现场 土壤中的压力。 土壤测量 包括锥贯入试验(CPT), Marchetti平板膨胀计 (DMT)和弯曲元件固结计(BEO)。 本研究的目的是:(1) 补充现有锥尖数据库 阻力、剪切波速度和 液化表指数与液化 (2)研究潜在影响 液化侧压力 (3)研究其影响; 土壤扰动和时间(老化)对土壤的影响 硬度和强度。

项目成果

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Roman Hryciw其他文献

Roman Hryciw的其他文献

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{{ truncateString('Roman Hryciw', 18)}}的其他基金

Optical Characterization of Intrinsic Properties and Fabric of Coarse-Grained Soils
粗粒土固有性质和结构的光学表征
  • 批准号:
    1300010
  • 财政年份:
    2013
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant
Laboratory, Field and In-Situ Soil Characterization Through Image Processing
通过图像处理进行实验室、现场和原位土壤表征
  • 批准号:
    0900105
  • 财政年份:
    2009
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant
NEESR - II: Mechanisms and Implications of Time-Dependent Changes in the State and Properties of Recently Liquefied Sands
NEESR - II:最近液化的沙子的状态和性质随时间变化的机制和影响
  • 批准号:
    0530378
  • 财政年份:
    2005
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant
Characterization of Complex Soil Stratigraphies by VisCPT and Adaptive Remeshing
通过 VisCPT 和自适应网格划分表征复杂土壤地层
  • 批准号:
    0324444
  • 财政年份:
    2003
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Continuing Grant
SGER: Soil Solidification by Magnetorheological Fluids
SGER:磁流变液固化土壤
  • 批准号:
    0129485
  • 财政年份:
    2001
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant
VisCPT Image Processing, Hardware Modification and Application Development
VisCPT 图像处理、硬件修改和应用程序开发
  • 批准号:
    0100059
  • 财政年份:
    2001
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant
Soil Liquefaction Hazard Assessment by the Vision Cone Penetrometer
使用视觉锥入度计进行土壤液化危害评估
  • 批准号:
    9902940
  • 财政年份:
    1999
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant
In-Situ Soil Characterization by Vision Cone Penetrometer (V-CPT).
通过视觉锥入度计 (V-CPT) 进行原位土壤表征。
  • 批准号:
    9700128
  • 财政年份:
    1997
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Continuing Grant
Subsurface Vision Probe Development
地下视觉探头开发
  • 批准号:
    9510301
  • 财政年份:
    1995
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant
Soil Liquefaction Assessment at Select Sites Following the 1994 Northridge, CA Earthquake
1994 年加利福尼亚州北岭地震后选定地点的土壤液化评估
  • 批准号:
    9412802
  • 财政年份:
    1994
  • 资助金额:
    $ 5.3万
  • 项目类别:
    Standard Grant

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Field and laboratory investigations on liquefaction-induced flow-failure mechanism in gentle sloped ground
缓坡地基液化诱发流动失效机理的现场和室内研究
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United States-New Zealand-Japan International Workshop on Liquefaction-Induced Ground Movements Effects; Berkeley, California; November 2-3, 2016
美国-新西兰-日本液化引起的地面运动影响国际研讨会;
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