EXPERIMENTAL STUDIES ON THE MECHANICAL PROPERTIES OF COMPOSITE CONCRETE
Author(s):
CH.SRI VARMA, SWATHI.B, T.RAJINI DEVI, V.SWATHI PADMAJA
Keywords:
Fibre Reinforcement, Hybrid Composite, compressive strength, tensile strength.
Abstract
Fibre reinforcement is commonly used to provide toughness and ductility to brittle cementation matrices. Reinforcement of concrete with a single type of fibre may improve the desired properties to a limited level. A composite is termed as hybrid, if two or more types of fibres are rationally combined to produce a composite that derives benefits from each of the individual fibres and exhibits a synergetic response. This study aims to characterize and quantify the mechanical properties of hybrid fibre reinforced concrete. For this purpose nine mixes, one plain control mix and eight fibre reinforced mixes were prepared. Six of the mixes were reinforced in a hybrid form. Four different types of fibres were used in combination, two of which were macro steel fibres, and the other two were micro fibres. Volume percentage of fibres inclusion was kept constant at 1.0%. In hybrid reinforced mixes volume percentage of macro fibres was 1.0% whereas the remaining fibre inclusion was composed of micro fibres. Additional to this fibres, mineral admixtures are used. Slump test was carried out for each mix in the fresh state. 28-day compressive strength and tensile strength were performed in the hardened state. Various numerical analyses were carried out to quantify the determined mechanical properties and to describe the effects of fibre inclusion on these mechanical properties.
Article Details
Unique Paper ID: 143670

Publication Volume & Issue: Volume 2, Issue 12

Page(s): 397 - 401
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