Abstract
In this article the structural behavior of a timber- framed wall is analysed. The wall is composed by a timber grid of vertical parts (posts) and horizontal elements (beams), whose panels are normally filled with plaster rubble. This system was widely used as a load-bearing wall system in the Spanish residential buildings between the 17th and 19th centuries. The research concludes that the loads are transmitted mainly through the infills by vertical compression, and that the deformation of the beams by bending is negligible, except in those cases in which there is no infill at the bottom. Also, using numerical simulation by finite elements, a formula determining the percentage of total loads absorbed by posts and infills is obtained depending on their rigidity to compression, so as to quantify the stress state of them. This is a fundamental aspect in the design and dimensioning of reinforcements in structural rehabilitation.
Highlights
In this article the structural behavior of a timber- framed wall is analysed
The wall is composed by a timber grid of vertical parts
whose panels are normally filled with plaster rubble
Summary
Existe la idea generalizada de que en este tipo de muros, las cargas gravitatorias son asumidas únicamente por lo pies derechos, que reciben las cargas de los forjados a través de la flexión de las carreras, y que la función de los rellenos es únicamente la de cegar el cerramiento. En el caso de los muros entramados de madera, los pies derechos actúan como rigidizadores ante las deformaciones provocadas por la flexión, permitiendo así que el muro no pandee a pesar de su gran esbeltez. El material de relleno de los cuarteles posee una rigidez y resistencia a la compresión suficientes como para absorber las tensiones generadas por las cargas de los forjados y el peso propio del muro. Parte de las cargas de los rellenos se transfieren a los pies derechos en cada planta, siguiendo un mecanismo de arco de descarga (3)
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