Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 162, Issue -, Pages 132-141Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2017.11.175
Keywords
Freeze-thaw durability; Pervious concrete; Ultra-high strength matrix; Tortuosity
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Funding
- State Scholarship Fund of China
- China Scholarship Council (CSC)
- University of Connecticut (UConn)
- Elkem Materials and Lehigh White Cement Company
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The application of pervious concrete (PC) is still limited primarily due to the three challenges it faces: limited strength, vulnerability to clogging and durability concerns. The last challenge is assessed in this research. Especially in the cold northern area where cyclic freeze-thaw (F-T) is not uncommon, it is necessary to understand the F-T performance and corresponding failure mechanism of PC. In this research, PCs varying in matrix type (normal strength matrix, high strength matrix and ultra-high strength matrix), pore system characteristics (void size and tortuosity) and fiber reinforcement (reinforced and non reinforced) were proportioned. The influence of matrix, pore system characteristics and fiber reinforcement on the F-T durability of PC is investigated and potential F-T failure mechanisms are discussed. (C) 2017 Elsevier Ltd. All rights reserved.
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