Publication

Studying the Design Implications of Slab Coupling in Reinforced Concrete Buildings

2024

Abstract

The coupling of shear walls by thin slabs in concrete high-rise buildings subjected to lateral loads is studied. The effectiveness of slab coupling is investigated using simple 2D and 3D finite element models based on a scaled experimental building. The models are validated and show the effectiveness of slab coupling, in contradiction with Eurocode 8 guidelines. A parametric study is also carried out on coupling slabs to assess their behavior and effective width. Recommendations based on parametric results are proposed to engineers for modeling slab coupled shear walls systems. Coupling induced by slabs is a complexity that must be taken into account by engineers, as it has a major impact on the behavior of a building.

Official source

https://infoscience.epfl.ch/entities/publication/67132881-df04-4243-8068-857836371856

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2024

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/67132881-df04-4243-8068-857836371856

About this result

Related concepts (29)

Precast concrete

Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels for tilt up construction. In contrast, cast-in-place concrete is poured into site-specific forms and cured on site. Recently lightweight expanded polystyrene foam is being used as the cores of precast wall panels, saving weight and increasing thermal insulation.

Concrete

Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material. Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. When aggregate is mixed with dry Portland cement and water, the mixture forms a fluid slurry that is easily poured and molded into shape.

Reinforced concrete

Reinforced concrete, also called ferroconcrete, is a composite material in which concrete's relatively low tensile strength and ductility are compensated for by the inclusion of reinforcement having higher tensile strength or ductility. The reinforcement is usually, though not necessarily, steel bars (rebar) and is usually embedded passively in the concrete before the concrete sets. However, post-tensioning is also employed as a technique to reinforce the concrete. In terms of volume used annually, it is one of the most common engineering materials.

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