Experimental determination of the active lateral pressure against retaining walls undergoing translation and rotation about the top

Gaceta Técnica

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Title Experimental determination of the active lateral pressure against retaining walls undergoing translation and rotation about the top
Determinación experimental del empuje activo contra muros de contención que sufren traslación y rotación respecto al tope
 
Creator Cahuana Ayala, Jerson Andre
Yanqui Murillo, Calixtro
 
Description This paper is about the experimental determination of the active lateral pressure distribution of a granular soil on a rigid retaining wall undergoing a horizontal translation and a rotation about the top. The pressure measurement was made using load cells as sensors, being the variables the relative density of the backfill and the rugosity of the wall backside. The placement of backfill in loose and dense state was obtained by using the pluviation and the mesh extraction methods, respectively. The wall movement was controlled by a simple mechanical system. The experimental results obtained lead to the general conclusion that loose soils show a linear distribution, and dense soils, a non-linear distribution. Particularly, the distribution of the lateral pressure of a dense backfill against wall that moves horizontally and rotates about the top, shows two peaks. This fact is explained by the Granular Mechanics as the juxtaposition of two pressure distributions related to horizontal translation and rotation about the top
El presente trabajo trata sobre la determinación experimental de la distribución de la presión lateral activa, de un suelo granular contra un muro de contención rígido que sufre traslación horizontal y rotación respecto al tope. La medida de la presión fue llevada a cabo utilizando celdas de carga como sensores, siendo las variables la densidad relativa del relleno y la rugosidad del paramento. La colocación del relleno en estado denso y suelto fue obtenida por el uso de los métodos de pluviación y extracción de la malla respectivamente. El movimiento del muro se controló mediante un sistema mecánico simple. Los resultados experimentales obtenidos condujeron a la conclusión general de que los suelos sueltos muestran una distribución lineal, y los suelos densos una distribución no lineal. Particularmente, la distribución de la presión lateral de un relleno denso contra un muro que se traslada horizontalmente y rota alrededor del tope, exhibe dos picos. Este hecho es explicado por la mecánica granular, como la yuxtaposición de las dos distribuciones de presión correspondientes a la traslación horizontalmente y rotación respecto al tope
 
Publisher Universidad Centroccidental Lisandro Alvarado - Decanato de Ingeniería Civil
 
Date 2019-07-21
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Artículo científico de investigación original
 
Format application/pdf
 
Identifier https://revistas.ucla.edu.ve/index.php/gt/article/view/2222
10.13140/RG.2.2.29172.71043
 
Source Gaceta Técnica; Vol 20 No 2 (2019): July-December; 14-32
Gaceta Técnica; Vol. 20 Núm. 2 (2019): Julio-Diciembre; 14-32
Gaceta Técnica; v. 20 n. 2 (2019): Julio-Diciembre; 14-32
2477-9539
1856-9560
 
Language spa
 
Relation https://revistas.ucla.edu.ve/index.php/gt/article/view/2222/1251
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