Exact seismic response of smooth rigid retaining walls resting on stiff soil

Summary The assessment of forces exerted on walls by the backfill is a recurrent problem in geotechnical engineering, owing to its relevance for both retaining systems and underground structures. In particular, the work by Arias and colleagues, and later also the one by Veletsos and Younan, among ot...

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Published in:International journal for numerical and analytical methods in geomechanics Vol. 44; no. 13; pp. 1750 - 1769
Main Authors: Garcia‐Suarez, Joaquin, Asimaki, Domniki
Format: Journal Article
Language:English
Published: Bognor Regis Wiley Subscription Services, Inc 01.09.2020
Subjects:
Backfill
Bedrock
Computer simulation
Earthquakes
elastodynamics
exact solution
Exact solutions
Fourier transforms
Geotechnical engineering
Mathematical analysis
mathematical modeling
Retaining walls
Seismic activity
Seismic response
Soil
Underground structures
Wavelengths
ISSN:0363-9061, 1096-9853
Online Access:Get full text
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Summary:Summary The assessment of forces exerted on walls by the backfill is a recurrent problem in geotechnical engineering, owing to its relevance for both retaining systems and underground structures. In particular, the work by Arias and colleagues, and later also the one by Veletsos and Younan, among others, becomes pertinent when considering pressure increments on underground structures triggered by seismic events. As a first step, they studied the response of a rigid retaining wall resting on rigid bedrock subjected to SV waves, introducing some simplifying assumptions. This paper presents the exact solution to this reference problem. The solution is given in horizontal wavenumber domain; hence, it comes in terms of inverse Fourier transforms, which can be approximated numerically in Mathematica, which in turn are verified against finite‐element simulations. Specific features of this exact solution that were not captured by prior engineering approximations are highlighted and discussed.
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ISSN:0363-9061
1096-9853
DOI:10.1002/nag.3082