DEVELOPMENT AND INNOVATION ON COMBINING FRP AND SEA SAND CONCRETE FOR STRUCTURES

Abstract

Abstract: The use of sea sand in engineering construction is an effective solution to solve the problem of shortage of building sand in the coastal area not only, and is also reduces environmental impact. Upon review of the existing reinforced sea sand concrete applications, it is clear that there have been many substandard outcomes, primarily due to steel corrosion. Although these problems can be largely avoided by thoroughly washing sea sands with fresh water, the process is extremely water intensive, meaning that its overall usefulness is limited. However, fiber reinforced polymer (FRP) materials have both excellent mechanical performance and resistance to chloride-induced corrosion. Using FRP reinforcement and sea sand concrete in concert can avoid corrosion problems entirely. There are already many potential applications for this type of composite structure, and the prospects of further future development are equally good. An innovative FRP-concrete hybrid structural system for use in seaborne engineering is proposed herein. Specifically, this structure aims to fulfill an increasing demand for seaborne and coastal development. Meanwhile, it is also hoped to promote the application of sea sand concrete and FRP in engineering structures.

Key words: sea sand concrete, corrosion resistance, offshore construction

CLC Number:

TB332

FENG Peng, WANG Jie, ZHANG Xiao, YE Lie-ping. DEVELOPMENT AND INNOVATION ON COMBINING FRP AND SEA SAND CONCRETE FOR STRUCTURES[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(12): 13-18.

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