Location

San Diego, California

Session Start Date

3-26-2001

Session End Date

3-31-2001

Abstract

Ground dams as it is well known have a complex geometry and physical non-uniformity. Dams with inner (central) little-water-saturated obstacle in the form of a so-called core which is formed from little-water-saturated clayey soil are more frequent in Central Asia. Slope zones around this core are of water-saturated stone filled soils. Water infiltration, that is moisture content of soil leads to the change of strength parameters of the core material. Stress-strain state of ground dams is studied in this paper with account of moisture content of clayey parts of the dam on seismic action with records of real velosigrams. Dam material is modeled by elastic and elastic-plastic bodies. As this problem is a non-stational one, it is solved by finite-difference method. Based on the results of design a dynamic behavior of characteristic points of the dam (slope, crest and central parts) were defined at the moment of action of seismic load and zone of formation of plastic deformation.

Department(s)

Civil, Architectural and Environmental Engineering

Appears In

International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

Meeting Name

Fourth Conference

Publisher

University of Missouri--Rolla

Publication Date

3-26-2001

Document Version

Final Version

Rights

© 2001 University of Missouri--Rolla, All rights reserved.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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Mar 26th, 12:00 AM Mar 31st, 12:00 AM

Study of Dynamic Bahavior of Ground Dams with Account of Moisture Content Under Seismic Actions

San Diego, California

Ground dams as it is well known have a complex geometry and physical non-uniformity. Dams with inner (central) little-water-saturated obstacle in the form of a so-called core which is formed from little-water-saturated clayey soil are more frequent in Central Asia. Slope zones around this core are of water-saturated stone filled soils. Water infiltration, that is moisture content of soil leads to the change of strength parameters of the core material. Stress-strain state of ground dams is studied in this paper with account of moisture content of clayey parts of the dam on seismic action with records of real velosigrams. Dam material is modeled by elastic and elastic-plastic bodies. As this problem is a non-stational one, it is solved by finite-difference method. Based on the results of design a dynamic behavior of characteristic points of the dam (slope, crest and central parts) were defined at the moment of action of seismic load and zone of formation of plastic deformation.