Simplified Procedure for Estimating Dam and Embankment Earthquake-Induced Deformations

Autor:	H B Seed, Faiz I. Makdisi
Rok vydání:	1978
Předmět:	Deformation (mechanics) business.industry General Engineering Structural engineering Rigid body Newmark's sliding block Strength of materials Finite element method Acceleration Shear strength (soil) Geotechnical engineering business Statics Geology
Zdroj:	Journal of the Geotechnical Engineering Division. 104:849-867
ISSN:	2690-246X 0093-6405
Popis:	The method uses the concept of yield acceleration but is based on the evaluation of the dynamic response of the embankment rather than a rigid body behavior. The yield accelerations, for a potential sliding mass, is estimated on the basis of the static undrained shear strength (with some reduction due to effects of cycling) using pseudostatic methods of stability analysis. The permanent deformations are estimated by numerical double integration of the time history of induced accelerations for various depths of the potential sliding mass. Design curves are presented that were developed on the basis of finite element response computations of embankments subjected to base accelerations representing earthquakes of magnitudes ranging between 6-½ and 8-¼. The simplified procedure is illustrated by an example computation. The permanent deformations are estimated for a 135-ft (40-m) high sandy clay embankment that was shaken by a magnitude 8-¼ earthquake and the results are compared with the observed field behavior.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::58a324cece321adc572fe367513f075e https://doi.org/10.1061/ajgeb6.0000668 Zobrazit plný text záznamu