[Request] Static Modulus of Elasticity of Concrete as Affected by Density

[REQUEST] Static Modulus of Elasticity of Concrete as Affected by Density - Printable Version

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Static Modulus of Elasticity of Concrete as Affected by Density - Grunf - 07-10-2012

REQUEST: Static Modulus of Elasticity of Concrete as Affected by Density

Document Name: JL57-32
Volume: 57
Issue: 12

Abstract:
The elastic modulus of concrete is an important parameter in reinforced concrete design and analysis. With the increased use of lightweight aggregates for structural concrete a better understanding of the relationship between weight, strength, and the elastic modulus is needed. In this study the static modulus for a large variety of aggregates and concrete strengths was analyzed and an empirical formula was derived which is applicable to both Ii ht-weight and normal weight structural concretes. The formula is in excellent agreement with recognized empirical formulas for normal weight concrete.

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I would appreciate if someone can make mirror link for this article.

Kind regards,
Grunf

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RE: Static Modulus of Elasticity of Concrete as Affected by Density - gulilero - 07-11-2012

Static Modulus of Elasticity of Concrete as Affected by Density

Author: Adrian Pauw | Format: PDF | Publisher: Journal Proceedings | Year: December 1, 1960 | pages: 679-688

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Also Check this out:

Mechanical Properties of High-Strength Lightweight Concrete

Author: Floyd 0. Slate, Arthur H. Nilson, and Salvador Martinez | Format: PDF | Publisher: ACI Journal Proceedings | Year: July 1, 1986 | pages: 606-613

Volume: 83
Issue: 4

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RE: Static Modulus of Elasticity of Concrete as Affected by Density - shadabg - 07-11-2012

An experimental research on the fluidity and mechanical properties of high-strength lightweight self-compacting concrete

This may prove useful to you -

Abstract :
This paper evaluates the high-strength lightweight self-compacting concrete (HLSCC) manufactured by Nan-Su, of which the main factor PF of its design mixing method has been modified and improved. The study analyzes HLSCC performance at its fresh condition as well as its mechanical properties at the hardened condition. The evaluation of HLSCC fluidity has been conducted per the standard of second class rating of JSCE, by three categories of flowability, segregation resistance ability and filling ability of fresh concrete.

For the mechanical properties of HLSCC, the study has been conducted as follows: compressive strength with elapsed age, splitting tensile strength, elastic moduli and density, all at its cured after 28 days. As a result, HLSCC at its fresh condition has been rated as less than LC 75% and LF 50% for the mix ratio of lightweight aggregate, thus satisfying the second class standard of JSCE.

The compressive strength of HLSCC at 28 days has come out to more than 40 MPa in all mix except the case with LC 100%, while the structural efficiency in relation to its density tended to increase proportionally as the mixing ratio of LF increases. The relationship between the splitting tensile and compressive strength has been calculated as fs=0.076fck+0.5582. The range of elastic moduli has come out as 24–33 GPa, comparably lower than the control concrete. Compressive strength and structural efficiency of HLSCC at 28 days from the multiple regression analysis resulted as fc=0.07619LCA+0.08648LFB+46.714 and fse=0.00436LCA+0.0627LFB+20.257, respectively.

Keywords: High-strength lightweight self-compacting concrete (HLSCC); Fresh concrete; Compressive strength; Elastic moduli

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