What does "Mortar Joint" mean if using "Masonry" as a material with the standard EN 1996‑1‑1?
Answer
A mortar joint is available when the bricks of a wall are not laid on one but on two mortar strips. In this case, the mortar has to be applied to the outer edges of the support surfaces of the bricks. By using a mortar joint, it is necessary to take into account the restrictions in the ultimate limit state as the unfavorable stress diagrams occur in the wall.
Whether to apply the mortar joint in a European country is governed by the respective National Annex. The German National Annex does not alllow to use the mortar joint for the masonry construction. Therefore, in Germany, bed joints must always be mortared over the entire surface.
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Material Model Orthotropic Masonry 2D
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-direction of a surface. The material model is suitable for (unreinforced) masonry walls with in-plane loads.
Frequently Asked Questions (FAQ)
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If I do not specify any basic reinforcement in RF-CONCRETE Surfaces, I get the value X as additionally required reinforcement. If I enter this value X as the existing basic reinforcement, I correctly do not get any additional required reinforcement.
However, if I enter a lower value than the determined required total reinforcement as the basic reinforcement, the additionally required reinforcement is increased in such a way that the originally required reinforcement content is exceeded. Why? - Why does the RF-CONCRETE Surfaces add-on module not increase the amount of reinforcement until the SLS designs have a design ratio of 1.0?
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