Answer:
The ratio g/t is the ratio between the total width of the mortar strip and the thickness of the masonry wall. The ratio of the butt joint mortar should not be less than 0.4, in accordance with the standard specification.
Question
In the material library for masonry, there is the "g/t" ratio. What does this mean exactly?
In the material library for masonry, there is the "g/t" ratio. What does this mean exactly?
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Knowledge Base
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At first glance, the material list for masonry seems empty. The reason for this is that bricks and mortar can be used in many combinations, which would lead to a very long and unclear list. Therefore, it is necessary first to create a new material for masonry in order to consider these possible combinations in the calculation.
When modeling a reinforced concrete rib with a masonry wall above, there is the risk that the rib is underdesigned if the structural behavior of the masonry is not correctly considered and the connection between the masonry wall and downstand beam is not modeled sufficiently accurately. This article deals with this issue and shows the possible modeling options of such a structure. In this example, the reinforcement is determined only from the internal forces and without secondary minimum reinforcement.
The deformations of the FE nodes are always the first result of an FE calculation. It is possible to calculate strains, internal forces, and stresses based on these deformations and the stiffness of the elements.
This article describes and explains the influence of bending stiffness of cables on their internal forces. Furthermore, the text provides information on how this influence can be reduced.
The material model Orthotropic Masonry 2D is an elastoplastic model that additionally allows softening of the material, which can be different in the local x- and y-directions of a surface. The material model is suitable for (unreinforced) masonry walls with in-plane loads.
For design objects, you can optionally display sags or extreme results.
The results of solid stresses can be displayed as colored 3D points in the finite elements.
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The number of degrees of freedom in a node is no longer a global calculation parameter in RFEM (6 degrees of freedom for each mesh node in 3D models, 7 degrees of freedom for the warping torsion analysis). Thus, each node is generally considered with a different number of degrees of freedom, which leads to a variable number of equations in the calculation.
This modification speeds up the calculation, especially for models where a significant reduction of the system could be achieved (for example, trusses and membrane structures).
What is the meaning of the brickwork class in the Material Library for masonry according to EN 1996‑1‑1?
In the material library for masonry, there is the "g/t" ratio. What does this mean exactly?
Is it possible to influence the transverse distribution of a load in the case of the Isotropic | Masonry | Plastic material model?
I would like to connect my masonry wall to a reinforced concrete slab. What is the best way to create a line hinge?
When modeling a building, there is a location where I have a wall on a ceiling that is not supported underneath. What are the modeling options for this?
I have purchased the add-on module RF‑MAT NL, but I cannot find it anywhere.
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