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Effect of marble slurry as a partial substitution of ordinary Portland cement in lean concrete mixes
Structural Concrete ( IF 3.0 ) Pub Date : 2020-09-13 , DOI: 10.1002/suco.202000059
Sumit Parmar 1 , Sourav Kumar Das 1
Affiliation  

Marble stone is the mostly quarried stone in Rajasthan for its high demand in India and abroad. This quarrying resulted in the generation of waste in a slurry form which was dumped in the nearby landfill sites resulted in a detrimental effect on the soil strata and expanding the landfill area with time. The focus of the study is to explore the outcome of utilization of marble slurry as a partial substitution of ordinary Portland cement by 10%, 20%, 30%, and 40% for lean concrete mixes with an average target compressive strength of 20 MPa or more. To explore the prospect of deployment of marble slurry in cement concrete mechanical properties, durability aspects, and relevant microstructural analysis was performed, and the results have been reported. Though the durability aspect was not purely encouraging, though it was depicted that marble slurry can be utilized as a partial replacement of OPC up to 40% for the purpose for which the investigation has been done.

中文翻译:

大理石浆料作为普通波特兰水泥在贫混凝土混合物中的部分替代品的作用

大理石石材是拉贾斯坦邦采石最多的石材,原因是其在印度和国外的需求量很大。这种采石导致产生了淤浆形式的废物,这些废物被倾倒在附近的垃圾填埋场中,对土壤地层产生不利影响,并随着时间的推移扩大了垃圾填埋场的面积。该研究的重点是探索将大理石浆用作普通波特兰水泥的部分替代品,以平均目标抗压强度为20 MPa或10 MPa的贫混凝土混合料替代10%,20%,30%和40%。更多的。为了探索大理石浆在水泥混凝土力学性能,耐久性方面以及相关的微结构分析中的应用前景,并进行了报道。尽管耐用性并非纯粹令人鼓舞,
更新日期:2020-09-13
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