Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 267, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2020.121010
Keywords
High-volume fly ash-self compacting concrete (HVFA-SCC); Polypropylene (PP) fibers; Mechanical properties; Flow behavior
Categories
Funding
- Natural Science Foundation of China [51678149]
- Guangdong Science and Technology Planning [2016A010103045]
- Key Research Project by Department of Education of Guangdong Province, China [2018KZDXM068]
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This paper investigates the mechanical and fresh properties of novel high-volume fly ash-self compacting concretes (HVFA-SCCs) and explores the effects of adding high-volume polypropylene (PP) fibers and seawater on its performance. The results suggest that HVFA-SCC, high-volume PP fibers reinforced HVFA-SCC, seawater and sea-sand HVFA-SCC can be feasibly used in various constructions.
This paper aims to study the mechanical and fresh properties of novel high-volume fly ash-self compacting concretes (HVFA-SCCs). Firstly, the mechanical and flowability properties of SCCs with different fly ash replacement ratio are investigated. Thereafter, the high-volume polypropylene (PP) fibers were added into the HVFA-SCC, and the effects of some parameters on its performance are explored for proposing its mix proportion design scheme. Finally, the hardening and fresh properties of seawater and sea-sand HVFA-SCCs are discussed. The results show that HVFA-SCC, high-volume PP fibers reinforced HVFA-SCC, seawater and sea-sand HVFA-SCC are feasible used in various constructions. (C) 2020 Elsevier Ltd. All rights reserved.
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