Cost Effective Design of Sustainable Concrete Using Marble Waste as Coarse Aggregate

oleh: Sudarshan Dattatraya Kore, A. K. Vyas

Format: Article
Diterbitkan: Mouloud Mammeri University of Tizi-Ouzou 2016-12-01

Deskripsi

In the present study attempts have been made to obtain sustainable and cost effective concrete product by use of marble waste. Aggregate obtained from marble quarry waste was used as 75% part of coarse aggregate and rest was conventional coarse aggregate. It was observed that, compressive strength was almost same as that of the control concrete. Durability properties like permeability and chloride ion penetration improved by approximately 30% and 15%, respectively. Resistance to acids and carbonation were least affected. Cost comparison showed with 24% less cement requirement, 14% reduction in cost of concrete was achieved when marble waste was used with packing density approach for design of concrete mixes. By minimizing the cement content without losing mechanical and durability properties of concrete resulting in reduction of global cement production from 4.2 billion tons to 1.01 billion tons and correspondingly it reduces CO2 emission from 3.95 billion tons by 3.02 billion tons.