Properties of High-Performance Concrete with Coarse Recycled Concrete Aggregate for Precast Industry

Chen, Xiaoguang; Vanoutrive, Hanne; Gruyaert, Elke; Li, Jiabin

doi:10.1007/978-3-031-21735-7_104

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2023

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Cited by 2 publications

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“…Nevertheless, UHPC has its drawbacks, mainly its significant usage of cementing material and high cost. To enhance UHPC, scholars have introduced coarse aggregate to create ultra-high-performance concrete with coarse aggregate (UHPC-CA) [3]. Incorporating fibers into the concrete mixture reduced the amount of cementing material used.…”

Section: Introductionmentioning

confidence: 99%

A Preliminary Study Was Conducted on the Compressive Strength and Flow Performance of Environmentally Friendly UHPC-SCA

Wang,

Zhang,

Shi

et al. 2023

Buildings

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This research paper explores using marine shells as coarse aggregates in producing seawater sea sand UHPC-CA. The study examined factors such as coarse aggregates (granite, oyster shell, and cone shell), fine aggregates (sea sand and river sand), fiber types, and content. The research findings indicate that different coarse aggregates and fibers influence the flow performance of UHPC-SCA. The study identified the cone shell as the best coarse shell aggregate and 1.5% steel fiber as the optimal fiber and inclusion amount. The compressive strength of this combination reached 106 MPa, which is comparable to the granite stone UHPC-CA of the same particle size.

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Section: Introductionmentioning

confidence: 99%