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Strapping Spiral Ties for Short Tie-Columns in Confined Masonry Walls Using a Micro-Numerical Model
Estribos flejados en espiral para castillos cortos de paredes de mampostería confinada mediante el empleo de micro modelación numérica
DOI:
https://doi.org/10.15446/ing.investig.97253Keywords:
Spiral ties, Strapping ties, Short tie-columns, Compressive strength (en)Estribos en espiral, Estribos flejados, Castillos cortos, Resistencia a la compresión (es)
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Many dwellings in the world are built using confined masonry walls. Confinement is achieved by tie-columns and bond beams of reinforced concrete. These tie columns are traditionally reinforced by using closed-loop ties. In this paper, a new type of ties for tie columns is presented: strapping spiral ties. These strapping ties are compared against traditional ties by a three-dimensional micro-numerical model and the experimental behavior of short tie columns. This study resulted in an improvement in the compressive strength, in the degree of confinement of the concrete, and in the efficiency of tie-columns with strapping spiral ties. In addition, an increase in the stiffness at the unloading stage was also obtained.
Algunas de las viviendas en el mundo se construyen con muros confinados de mampostería. El confinamiento se logra mediante castillos y dalas de concreto reforzado. Estos castillos se refuerzan tradicionalmente mediante el uso de estribos tradicionales cerrados. En este trabajo se presenta un nuevo tipo de estribos para castillos: estribos flejados y en espiral. Estos estribos flejados se comparan con los estribos tradicionales mediante un modelo micro numérico tridimensional y el comportamiento experimental de castillos cortos. Este estudio resultó en una mejora en la resistencia a la compresión, en el grado de confinamiento del concreto y en la eficiencia de los castillos con estribos en espiral. Además, también se obtuvo un aumento de la rigidez en la etapa de descarga.
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1. Milena Mesa-Lavista, Fabiola Yépez-Rincón, Karla Carolina Gutiérrez-González, Yris Laura Mancilla-de la Cruz, Andrea Nathaly Escobedo-Tamez. (2024). Geomática aplicada para la obtención de estados deformacionales en la ingeniería estructural. Revista Ciencia UANL, 27(124), p.45. https://doi.org/10.29105/cienciauanl27.124-6.
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Copyright (c) 2023 José Álvarez-Pérez , Milena Mesa Lavista, Jorge Humberto Chávez-Gómez, Bernardo Tadeo Terán-Torres , Román Hermosillo-Mendoza, Diego Cavazos de Lira
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