Production And Properties Of Lightweight Concrete


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Title: Production And Properties Of Lightweight Concrete


Publication: CIA



Appears on pages(s):


Date: 2/13/2011

The work presented in this paper was conducted to study mechanical, physical, acoustic and thermal properties of lightweight aggregate concrete. Aerated concrete was also produced and tested. Aluminium powder was used to generate air bubbles in aerated concrete. In order to study the main properties of lightweight concrete, four groups of different lightweight concretes with a total number of thirteen mixes were prepared and investigated. The measured properties include density, compressive strength, flexural strength, bond strength, splitting strength, modulus of elasticity, Poisson's ratio, stress-strain relationship, and deflection. The study also includes measurements of sound absorption coefficient, sound insulation, thermal expansion, thermal conductivity, and effect of heat on the compressive strength of different concrete mixes. The test results showed that lightweight concrete with a density in the range of 1412 to 2152 kg/m3 and compressive strength up to 32 MPa was successfully produced using local materials in Egypt.

Concrete Institute of Australia, International Partner Access.

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