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- W3185366352 abstract "Abstract Appropriate selection of materials plays an important role in concrete mix design for achieving the requirement of self-compacting concrete and ensuring a balance between deformability and stability. The type of selected materials and the ratios of concrete ingredients can be affected by the fresh and harden properties of the concrete. In the contract agreement of the Mumbai metro underground project, the technical specifications clearly state the values of limits set for achieving the durability parameters for the life of 120 years of the structure. According to the requirement of the site conditions Self-compacting concrete was designed with easily available material, special material like Ultra GGBS- Alcofine 1203 and crystalline waterproofing admixture. Self-compacting concrete is superior concrete than the traditional concrete with high workability, no segregation, no bleeding, and it is also suitable for use in structures with long-distance pumping i.e., more than 120-meter length, for For example, in Underground NATM tunnels, cross-passages, and the concrete structure of the underground metro station box. The paper presents a comparison between concrete mix designs and their achieved test parameters suitable for the contract agreement of the Mumbai metro underground project. The best concrete mix design for Self-compacting concrete was finalized based on flowability, passing ability, segregation resistance, and durability parameters of concrete mix and the same mix is implemented at the site for working structures." @default.
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- W3185366352 date "2021-07-20" @default.
- W3185366352 modified "2023-09-27" @default.
- W3185366352 title "Appropriate Selection of materials for making durable Self Compacting Concrete And application in Underground Structures" @default.
- W3185366352 doi "https://doi.org/10.21203/rs.3.rs-701160/v3" @default.
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