Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seismic Design and Performance of Retaining Structures
Which of the soil strengths should be used for seismic design of retaining walls with dry soil, peak or residual? The effort to answer this simple question leads to a generalized methodology that is based on the multiple-sliding plane concept using both the peak strength, for defining slip plane, and the residual strength, for evaluating earth pressure associated with the slip plane. Many of the assumptions made in the conventional seismic design, successfully applicable to retaining walls with dry soil, become questionable when the soil is submerged. Adequate characterization of the undrained behavior of sand under transient and cyclic loads is needed. Initial stress state of soil-retaining structure systems before the earthquake, often ignored in the simplified seismic design practice, can have a significant effect on the performance of the wall during earthquakes.
Seismic Design and Performance of Retaining Structures
Which of the soil strengths should be used for seismic design of retaining walls with dry soil, peak or residual? The effort to answer this simple question leads to a generalized methodology that is based on the multiple-sliding plane concept using both the peak strength, for defining slip plane, and the residual strength, for evaluating earth pressure associated with the slip plane. Many of the assumptions made in the conventional seismic design, successfully applicable to retaining walls with dry soil, become questionable when the soil is submerged. Adequate characterization of the undrained behavior of sand under transient and cyclic loads is needed. Initial stress state of soil-retaining structure systems before the earthquake, often ignored in the simplified seismic design practice, can have a significant effect on the performance of the wall during earthquakes.
Seismic Design and Performance of Retaining Structures
Iai, Susumu (Autor:in)
Earth Retention Conference (ER) 2010 ; 2010 ; Bellevue, Washington, United States
Earth Retention Conference 3 ; 674-687
26.07.2010
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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