Durability Of Polypropylene Fibre Reinforced Concrete Partially Using Recycled Aggregates And Manufactured Sand

Authors

  • Prof. Md Abdullah Shariff , Khaja Begum, Md Abrar Ullah Khan

Abstract

Concrete is the only construction material on which all the major types of civil engineering constructions depend upon. Due to consistent use of natural aggregates, they have become scarce as they are non-renewable resources causing ecological imbalance. Therefore, creating a need for recycled coarse aggregates and manufactured sand which can be obtained from demolished works in civil constructions and crushing of stones. Usage of recycled aggregates and M-sand will not only reduce the use of primary aggregates but also economizes the construction and safeguards ecological balance. Polypropylene fibre which is used in the project is a by-product of oil refining industries and is an alternative non-degradable matter available in abundance and at low cost.In present study 72 cubes of 150*150*150mm size, 12 cylinders of 150mm diameter and 300mm height and 24 cylinders of 100mm diameter and 50mm thick of M30 grade concrete were casted and tested to examine various properties of concrete like compressive strength, chemical exposure resistance to Acid attack and Sulphate attack and durability aspects such as Rapid Chloride Permeability Test and Sorptivity test were carried out. Coarse aggregate were replaced with recycled aggregates by 25%, fine aggregate with M-sand by 50% and proportion of fibre was varied by 0%, 0.25%, 0.5% and 1%.

Published

2020-11-01

Issue

Section

Articles