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Reliability - Based Determination Of The Coefficients Of Lateral Earth Pressure On Retaining Walls Subjected To Seismic Loading

Submitted2015-08-06
Last Update2015-10-10
TitleReliability - Based Determination Of The Coefficients Of Lateral Earth Pressure On Retaining Walls Subjected To Seismic Loading
Author(s)Author #1
Author title:
Name: Mohammed Shukri Al-Zoubi
Org: Civil and Environmental Engineering Department, Faculty of Engineering, Mutah University, Jordan
Country:
Email: malzoubi@mutah.edu.jo

Other Author(s)
Contact AuthorAuthor #1
Alt Email: malzoubi@mutah.edu.jo
Telephone:
KeywordsRetaining walls, Active and passive lateral earth pressures, Seismic coefficient, Reliability, Probability, Granular soils
AbstractThe active and passive lateral earth pressures against retaining walls under seismic loading are investigated, taking into consideration the variations of internal friction angle  and seismic effect represented by the seismic angle  . This study basically involves the computation of the active and passive lateral earth pressure coefficients, kae and k pe , and their coefficients of variation, cov(kae ) and cov(k pe ) , using a first order Taylor´┐Żs series expansion. The concept of extreme value distributions (maxima and minima) is utilized for evaluating the reliability of these earth pressure coefficients. Design charts are developed for a wide range of granular soils. Examples illustrating the design method based on the usage of the reliability of these coefficients are also presented. Values of load factor utilized in the conventional deterministic approach are correlated with reliability levels; the load factor values vary depending on the importance of the structure and the variations of the design input values as contrasted to the constant value of load factor used in the conventional deterministic approach.
Paperview paper 3115.pdf (211KB)

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