lightweight aggregate

lightweight aggregate

[′līt‚wāt ′ag·rə·gət]
(materials)
A lightweight inert material, such as foamed slag, vermiculite, clinker, and perlite, used in unreinforced concrete for making structures of low weight and high insulation.

lightweight aggregate

Aggregate of low-bulk specific gravity, such as expanded or sintered clay, foamed slag, fly ash, exfoliated vermiculite; used as an ingredient in lightweight concrete.
References in periodicals archive ?
Process water is recycled in equipment wash out and at the lightweight aggregate stockpile, which requires constant moisture.
Keywords: lightweight concrete, lightweight aggregate, expanded glass, mechanical properties, compressive strength, flexural strength, freeze-thaw resistance, alkaline corrosion.
Eight full scale rectangular cross-section columns filled with lightweight aggregate concrete and normal weight aggregate concrete, four specimens each, were tested under axial loads for comparison purposes.
The company focuses on aircrete and lightweight aggregate concrete including in the form of blocks for constructing interior and exterior walls, as well as roof components and reinforced beams for interiors.
Increased emphasis by highway engineers on the skid resistance of the asphalt aggregates improved the market for slag as well as lightweight aggregate during the late 1960s.
In 2012 Sivakumar and Gomathi [17] got name and fame for projecting the fly ash as one of the godsend gifts which can be used as both supplementary cementitious material and lightweight aggregate.
Zohair Al-Nawab, president of the Saudi Geological Survey, said: "Mineral deposits in Saudi Arabia are widespread and of many types, ranging from gold to lightweight aggregate.
The 75 papers include discussions of such topics as welding properties and fatigue resistance of S690QL high-strength steels, hardening the surface of austenitic stainless steel by explosive treatment, surface properties of lightweight aggregate concrete and its correlation with durability, electrochemical impedance spectroscopy as a prospective tool for characterizing the intermetallic microstructure of lead-free solder, and estimating thermal boundary conditions by using a hybrid inverse approach.
The tensile/compressive strength ratio of OPS concrete is lower than normal concrete, but it is comparable with lightweight concrete aggregate concrete made with artificial lightweight aggregate of an equivalent grade [3].
EN 14063-1 Thermal insulation materials and products--In situ formed expanded clay lightweight aggregate products (LWA)--Part 1: Specification for the loose-fill products before installation.
East of the shield, the Phanerozoic zone contains oil resources and deposits of bauxite, phosphate, clay, limestone, silica sand, and lightweight aggregate that are of increasing importance to the industrial development of the kingdom.

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