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Apr 25, 2019 · Lightweight concrete is a mixture made with lightweight coarse aggregates such as shale, clay, or slate, which give it its characteristic low density. Structural lightweight concrete has an in-place density of 90 to 115 lb/ft³, whereas the density of regular weight concrete ranges from 140 to 150 lb/ft³. This makes lightweight concrete ideal ...
Lightweight concrete finds diverse applications, including screeds, walls, insulation, and structural elements. Its advantages include reduced dead load, faster building rates, lower transportation costs, and enhanced thermal insulation properties, contributing to energy efficiency in buildings.
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Definition: concrete of substantially lower density than that made using aggregates of normal density; consists entirely of lightweight aggregate or a combination of lightweight aggregate and normal-density aggregate; its equilibrium densities are generally between 70 and 120 lb/ft3 (1120 and 1920 kg/m3).-. ACI Concrete Terminology. Structural ...
Definition of Lightweight Concrete. Generally, the density of conventional concrete is about 2200 to 2600 kg/m 3. This heavy self-weight makes it uneconomical. The concrete, which is having a density ranging from 300 to 1850 kg/m 3 can be called lightweight concrete. The density of concrete can be reduced by different methods like by replacing ...
It is convenient to classify the various types of lightweight concrete by their method of production. These are: By using porous lightweight aggregate of low apparent specific gravity, i.e. lower than 2.6. This type of concrete is known as lightweight aggregate concrete. By introducing large voids within the concrete or mortar mass; these voids ...
7.1 Introduction, definitions and limitations. Lightweight-concrete is defined by BS EN 206-1 as having an oven-dry density of not less than 800 kg/m 3 and not more than 2000 kg/m 3 by replacing dense natural aggregates either wholly or partially with lightweight aggregates.
The basic design for lightweight concrete is covered in Eurocode 2 Part 1-1, with section 11 having particular rules required for lightweight aggregate concretes. Concrete is considered to be lightweight is the density is not more than 2200kg/m 3 (the density of normal weight concrete is assumed to be between 2300kg/m 3 and 2400kg/m 3) and a ...
