Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 98, Issue -, Pages 227-236Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2015.05.109
Keywords
Artificial reef concrete; Sulphoaluminate cement; Marine sand; Sea water; Workability; Mechanical properties; pH values
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Funding
- NSFC (National Nature Science Foundation of China) [51479036]
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A new artificial reef concrete (NARC) with sulphoaluminate cement, marine sand and sea water et al. was proposed. The effect of cement type, sand type and water type on the workability (namely slump, slump loss cohesiveness, water retention), mechanical properties namely compressive strength, splitting tensile strength and dynamic elastic modulus) and affinity (namely surface initial pH value and the leaching rate of alkaline material in concrete) of concrete was studied. The microstructure of concrete was detected by X-ray diffraction, scanning electron microscope and pore structure analyzer, respectively. The studies show that NARC has superior workability, mechanical properties and affinity compared to ordinary Portland cement concrete with river sand and fresh water. Therefore, the feasibility of NARC in artificial reef is verified. (C) 2015 Published by Elsevier Ltd.
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