A Study on Material Properties of Structural Light Weight Concrete with Micro-reinforcement

Gaayathri, KK; Suguna, K; Raghunath, P N

:: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies

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ISSN 2228-9860
eISSN 1906-9642
CODEN: ITJEA8

FEATURE PEER-REVIEWED ARTICLE

Vol.13(6)(2022)

A Study on Material Properties of Structural Light Weight Concrete with Micro-reinforcement

KK Gaayathri, K Suguna, P N Raghunath (Department of Civil and Structural Engineering, Annamalai University, INDIA).

Disciplinary: Civil Engineering (Concrete Technology, Structural Engineering, Construction and Building Materials).
➤ FullText

doi: 10.14456/ITJEMAST.2022.126

Keywords: Compressive strength; Expanded clay aggregate; Flexural Strength; Lightweight concrete; Modulus of elasticity; Modulus of rupture; Polypropylene fibres.

Abstract
This paper presents the results of an experimental study on material properties of structural light weight concrete with micro reinforcement. Expanded clay aggregates (ECA) have been used in varying percentages of 10%, 20%, 30%, 40% to replace coarse aggregates. Polypropylene fibres have been used in volume fractions of 0.1%, 0.2%, 0.3% and 0.4%. Based on trials, the optimum dosage of expanded clay aggregates for meeting the workability and strength requirements has been obtained. The laboratory results showed that the inclusion of polypropylene fibres improved the properties of structural lightweight concrete appreciably. Non-linear regression analysis was carried out to determine the relationship between the dependent variables such as compressive strength, Flexural strength and Modulus of elasticity for Structural Lightweight Concrete with polypropylene fibres and independent variables such as volume fraction of fibres and aspect ratio.
Paper ID: 13A6U
Cite this article:

Gaayathri, K. K., Suguna, K., and Raghunath, P. N. (2022). A Study on Material Properties of Structural Light Weight Concrete with Micro-reinforcement. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies, 13(6), 13A6U, 1-11. http://TUENGR.COM/V13/13A6U.pdf DOI: 10.14456/ITJEMAST.2022.126

References

IS 383:2016 Coarse and Fine Aggregate for Concrete Specification, Bureau of Indian Standards, New Delhi, India.
IS 2386:2016Methods of Test for Aggregates for Concrete Part I Particle Size and Shape, Bureau of Indian Standards, New Delhi, India.
IS 456:2000 Plain and Reinforced Concrete - Code of Practice, Bureau of Indian Standards, New Delhi, India.
ASTM C494 Standard Specification for Chemical Admixtures for Concrete, American Society for Testing Materials, 2019.
IS 516:1959 Methods of Tests for Strength of Concrete,Bureau of Indian Standards, New Delhi, India.
ASTM C39 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens, American Society for Testing Materials.
ASTM. ASTM C642-97: Standard Test Methods for Density,Absorption, and Voids in Hardened Concrete ,American Society for Testing Materials.
ASTM. ASTM C1585-04: Standard Test Methods for Measurements of Rate of Absorption of Water by Hydraulic-cement Concretes.
Gaayathri, K.K., Suguna, K., Raghunath, P.N. (2022). Effects of Polypropylene Fibres on the Properties of Reinforced Structural Lightweight Concrete Made With Expanded Clay Aggregates. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies, 13(5), 13A5H, 1-11. http://TUENGR.COM/V13/13A5H.pdf DOI: 10.14456/ITJEMAST.2022.92

Other issues:
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Vol.13(4)(2022)
Vol.13(3)(2022)
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