Guide for Structural Lightweight Aggregate Concrete


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Title: Guide for Structural Lightweight Aggregate Concrete

Author(s): ACI Committee 213

Publication: Journal Proceedings

Volume: 64

Issue: 8

Appears on pages(s): 433-469

Keywords: abrasion resistance;air-entrained concretes;air entrainment;bond (reinforced concrete);cement content;clay (materials);coarse aggregates;compressive strength;creep (materials);curing;deflection;durablity;expanded clay aggregates;expanded shale aggregates

Date: 8/1/1967

This guide summarizes the present state of the technology. It presents and interprets the data on lightweight aggregate concretes from many laboratory and field sources. These include the comprehensive studies at the University of Illinois in 1931, the parallel investigations by the U.S. Bureau of Reclamation and the National Bureau of Standards in 1949, numerous recent laboratory studies, accumulated ex-perience resulting from greatly increased and successful use, and performance of structural lightweight aggregate concrete in service. The guide is intended for the architect, engineer, contractor, concrete producer, and student. It includes a defini-tion of lightweight aggregate concrete for structural purposes; it discusses in condensed fashion the production meth-ods and inherent properties of lightweight aggregates for structural concrete. This is followed by current practices on proportioning, mixing, transporting, placing; properties of hardened concrete; and finally, the design of structural concrete, with special reference to the 1963 ACI Building Code.