Interrelation of Physical and Mechanical Properties of Basalt

International Journal of Civil Engineering

© 2019 by SSRG - IJCE Journal

Volume 6 Issue 10

Year of Publication : 2019

Authors : Pankaj Joshi, U C Gupta Raj Kumar, Rajeev Kumar

10.14445/23488352/IJCE-V6I10P105

How to Cite?

Pankaj Joshi, U C Gupta Raj Kumar, Rajeev Kumar, "Interrelation of Physical and Mechanical Properties of Basalt," SSRG International Journal of Civil Engineering, vol. 6,  no. 10, pp. 37-41, 2019. Crossref, https://doi.org/10.14445/23488352/IJCE-V6I10P105

Abstract:

Concrete is one of the most widely used construction materials throughout the world. Many desirable properties such as high compressive strength, excellent durability and fire resistance contributed toward its wide range of applicability. The most advantageous and unique feature of concrete is that it can be produced using locally available ingredients as aggregates. Therefore in counties where steel is not readily available, concrete is the most used construction material. However the advantage of using local materials as concrete ingredients has its own demerits as well.Because of the variation in properties of locally available aggregates, the properties of concrete may vary widely. Concrete is an artificial stone, manufactured from a mixture of binding materials and inert materials with water.

Concrete = Binding materials + Inert materials + Water

Concrete is considered as a chemically combined mass where the inert material acts as a filler and the binding material acts as a binder. The most important binding material is cement and lime. The inert materials used in concrete are termed as aggregates. The aggregates are of two types namely, (1) Fine aggregate and (2) Coarse aggregate. Since at least three quarters of the volume of concrete is occupied by aggregates. It is not surprising that its quality is of considerable importance. Not only the aggregate limit the strength of the concrete, as weak aggregates cannot produce a strong concrete, but also the properties of aggregates greatly affect the durability and structural performance of the concrete. The coarse aggregate should be clean, strong, durable and well grades and free from impurities and deleterious materials, such as salts, coal residue, etc. Physical properties (i.e. specific gravity, water absorption) affect the mechanical properties (i.e. Toughness, Hardness and Crushing) for basalt coarse aggregate a mathematical model for the interrelation of physical and mechanical properties of basalt has been derived and presented in this paper.

Keywords:

Physical properties, mechanical properties, concrete, basalt, durability

References:

[1] ASTM C1260-07, Standard Test Method for Potential Alkali Reactivity of Aggregates(Mortar –Bar Method).
[2] IS: 2386-1963(reaffirmed in 2016),Methods of test for aggregates for concrete.
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