3 edition of Evaluation of liquefaction potential, Seattle, Washington found in the catalog.
Evaluation of liquefaction potential, Seattle, Washington
|Statement||by W. Paul Grant, William J. Perkins, and T. Leslie Youd.|
|Series||Open-file report -- 91-441-T., Earthquake hazards in the Pacific Northwest of the United States, U.S. Geological Survey open-file report -- 91-441-T., Earthquake hazards in the Pacific Northwest of the United States|
|Contributions||Perkins, William J., Youd, T. Leslie., Geological Survey (U.S.)|
|The Physical Object|
|Pagination||v, 44 p.|
|Number of Pages||44|
In Washington, Steve Palmer and his colleagues with the Division of Geology and Earth Resources prepared maps showing liquefaction potential in lowland areas of the Seattle and Olympia urban areas because of the extensive liquefaction accompanying the earthquakes in and These maps were tested by the Nisqually Earthquake of The methodologies and results of two research studies that evaluated the liquefaction hazard to Seattle are discussed and compiled in a single map indicating the local liquefaction-hazard potential.
The November 3, Denali-Alaska earthquake (M w =) caused significant liquefaction associated damage to various infrastructure built on fine-grained seismic response, liquefaction potential, and excess pore pressure generation of soils in cold regions, especially those of fine-grained nature, have not been studied thoroughly and therefore are not well . For liquefaction problems, this typically involves evaluation of the potential for triggering followed by evaluation of the anticipated ground movements using a response model. To be employed in the performance-based framework, both analyses must be performed using probabilistic techniques.
Evaluation of the Liquefaction Potential Index for Assessing Liquefaction Hazard in Christchurch, New Zealand Article (PDF Available) in Journal of Geotechnical and Geoenvironmental Engineering. While the liquefaction potential index (LPI) has been used to characterize liquefaction hazards worldwide, calibration of LPI to observed liquefaction severity is limited, and the efficacy of the LPI framework and accuracy of derivative liquefaction hazard maps are thus uncertain.
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Liquefaction Phase III EVALUATION OF LIQUEFACTION HAZARDS IN WASHINGTON STATE By Steven L. Kramer Professor Department of Civil and Environmental Engineering University of Washington, Box Seattle, Washington Washington State Transportation Center (TRAC) University of Washington, Box NE 45th Street, Suite This report describes the results of a detailed investigation of improved procedures for evaluation of liquefaction hazards in Washington State, and Evaluation of liquefaction potential the development and use of a computer program, WSliq, that allows rapid and convenient performance of improved analyses.
Evaluation of liquefaction potential, Seattle, Washington Open-File Report T By: W. Paul Grant, William J. Perkins, and T. Leslie Youd.
Get this from a library. Earthquake hazards in the Pacific Northwest of the United States. T, Evaluation of liquefaction potential, Seattle, Washington.
[W Paul Grant; William J Perkins; T Leslie Youd; Geological Survey (U.S.);]. Performance-based earthquake engineering provides a framework in which liquefaction hazards can be evaluated probabilistically. This paper describes the basic concepts of a performance-based liquefaction evaluation, and illustrates those concepts with an by: 9.
The paper describes a performance-based approach to the evaluation of liquefaction potential, and shows how it can be used to account for the entire range of potential ground shaking. The result is a direct estimate of the return period of liquefaction, rather than a factor of safety or probability of liquefaction conditional upon ground.
The map is not sufficient for evaluation of the actual liquefaction potential at an individual site. Site-specific geotechnical investigations are required to make such as assessment. View. Seattle Liquefaction Color intensity indicates danger from earthquakes.
title. Address. Data. Coordinate. Feature Info. Seattle Base map. SeattleLiquefaction1. Center your desired location under the cross hairs and click the launch streetview button.
Launch Streetview. Measure distances. Measure areas. Reset. Evaluation of the Liquefaction Potential Index for Assessing Liquefaction Hazard in Christchurch, New Zealand Journal of Geotechnical and Geoenvironmental Engineering April Liquefaction Potential Assessment of Pleistocene Beach Sands near Charleston, South Carolina.
In response to the Nisqually earthquake ofthe Survey was awarded a grant by FEMA and the Washington Emergency Management Division to develop two types of earthquake hazard maps for every county in the state—liquefaction susceptibility maps, which outline areas where water-saturated sandy soil loses strength during earthquake shaking, and NEHRP (National Earthquake Hazards.
Methods for evaluation of liquefaction potential and criteria for liquefaction- Seattle, WA 2Graduate Research Assistant, Dept. of Civil Engineering, Univ. of Washington, Seattle, WA phenomenon as "initial liquefaction with limited strain potential", "cyclic mobility", or other similar terms.
In this report, liquefaction potential refers to any of the entire spectrum of events resulting from the application of seismic shear stresses to saturated cohesionless soil deposits that could ultimately.
Evaluation of Liquefaction Hazards in Washington State. This report describes the results of a detailed investigation of improved procedures for evaluation of liquefaction hazards in Washington State, and describes the development and use of a computer program, WSliq, that allows rapid and convenient performance of improved analyses.
Based on that study, the method to assess the liquefaction potential then is proposed. In laboratory tests, the vibration source is given by using the shaking table. During the tests, the. The original JRA method was promulgated in by synthesizing studies of several parties.The CRR curves of this method are based on the results of laboratory evaluation of in situ samples, where the cyclic resistance is determined with a number of liquefaction stress cycle (N l) of After the Hyogoken-Nambu Earthquake of Japan inthis method has been considerably.
Liquefaction and related phenomena have been responsible for tremendous amounts of damage in historical earthquakes around the world. Liquefaction occurs in saturated soils, that is, soils in which the space between individual particles is completely filled with water.
Chapter 5 - Liquefaction Potential of Evaluation and Analysis. The scope, extent, and findings of the subsurface investigation as they pertain to the liquefaction potential evaluation. A narrative description of each potentially liquefiable layer, if any, at the facility, and. The Washington Department of Natural Resources, Division of Gelology and Earth Resourses have produced a number of liquefaction and earthquake maps including: DNR Interactive Map.
Papers and maps of some larger WA population centers. Auburn and Poverty Bay. Des Moines and Renton. Greater East Side Area, King County. Olympia-Lacey-Tumwater. We calculated liquefaction potential index for a grid of sites in the Evansville, Indiana area for two scenario earthquakes-a magnitude in the New Madrid seismic zone and a M in the Wabash Valley seismic zone.
For the latter event, peak ground accelerations range from gravity to gravity, sufficiently high to be of concern for.
liquefaction of soils during earthquakes, documents the state of the art of analysis for safety from liquefaction, and recommends future directions for liquefaction research.
It is based on a workshop held in Dedham, Massachusetts, on March, at which liquefaction. Evaluation of the potential for liquefaction to occur is accomplished by comparing equivalent measures of earthquake loading and liquefaction resistance.
The most common approach to characterization of earthquake loading is through the use of cyclic shear stresses. By normalizing the cyclic shear stress amplitude by the initial effective.
Nemat-Nasser and Shokooh proposed a differential equation to correlate cyclically-induced pore pressure buildup and accumulated strain energy density for a granular soil.
Furthermore, Law et al. demonstrated such relationship in cyclic triaxial and simple shear tests conditions. Polito et al. employed numerous results of cyclic triaxial tests on sand and silty sand and developed a simple and. 1. Introduction. Liquefaction is a common cause of ground failure and structural damage in earthquakes.
As a result, numerous methods for assessing liquefaction potential have been developed with many derived from the Seed and Idriss simplified the early s when the simplified procedure was developed using standard penetration test (SPT) N-values to quantify .