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Sustainable Concrete Production Using Waste Marble as Partial Coarse Aggregate Replacement
Abstract:
The disposal of waste marble is a severe concern worldwide, as it is non-biodegradable, leading to dumping issues and environmental pollution. An economically feasible solution to this problem is utilizing it in concrete production that will make the environment green, make the construction industry sustainable, fulfil the high demand for concrete, and convert waste into valuable materials. This study investigates experimentally the feasibility of using waste marble as a partial replacement for coarse aggregate in concrete production. The research focused on preparing M30-grade concrete mixes with varying percentages of waste marble aggregate to replace normal coarse aggregate, ranging from 20% to 100%. The study evaluated the fresh properties, compressive strength, and durability of concrete made with waste marble aggregate. The research findings indicate that the optimal outcome was achieved with a 60% replacement of natural coarse aggregate with waste marble coarse aggregate in concrete production. The workability increases as the percentage replacement of coarse aggregate by waste marble aggregate increases, as found by the slump value test. The compressive strength of the mix having 60% replacement of natural aggregate by waste marble aggregate concrete (WMAC-60) is 10.0%, 11.8% and 12.14, higher than conventional concrete tested at 7, 28, and 56 days, respectively. The durability of WMAC-60 is also improved, with 7.14% and 13% lower chloride ion pass than conventional concrete at 28 and 180 days of a rapid chloride penetration test, respectively. A 6.1% and 6.67% higher resistivity was found in WMAC-60 compared to the conventional concrete at 28 and 180 days of electrical resistivity test, respectively. In brief, waste marble aggregate is an eco-friendly and sustainable method that reduces concrete costs without compromising concrete performance.
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159-166
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May 2026
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© 2026 Trans Tech Publications Ltd. All Rights Reserved
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