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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Studies on High-Performance Concrete and Its Application
Author(s): Lin Baoyu, Shan Guoliang and Cai Yuebo
Publication: Special Publication
Appears on pages(s): 485-494
Keywords: Durability; high-performance concretes; mechanical properties; mix
Abstract:This paper deals with the mixture proportions of high perform-ance concrete (HPC), and its mechanical properties, durability and applica-tion in projects. Compared with normal Portland cement concrete (NPC) with the same cement content, HPC has following advantages: its compressive strength at 28-day is increased by 52~ 56%, tensile strength at 28-day by 34%, resistance to freezing-thawing by 10 times, impermeability by 6~ 15 times, resistance to carbonation increased by over 5 times, resistance to chloride-ion by over 10 times, protection of rebar from corrosion of chloride by 50 times, resistance to abrasion erosion by 0.5~ 2.5 times and resistance to cavitation by 3- 6 times. By using suitable expanding admixture to compen-sate for early shrinkage, shrinkage of HPC is less than that of NPC, thus its dimentional stability is superior. Based upon results from 6 projects, it can be stated that HPC has good workability, and very little bleeding, and construc-tion quality could be easily controlled. Satisfactory results have been achieved after its 2~ 9 years of service.
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