An Experimental Study of the High Temperature Behavior of Concrete Slabs Strengthened with Carbon Fiber Reinforced Polymer (CFRP) with Inorganic Adhesive

Abstract:

Nowadays the mechanical properties of epoxy resin used to paste CFRP strengthening the concrete structures, has a sharp drop in more than 60°C. Four CFRP-strengthened concrete one-way slabs were studied in the fire, one using epoxy resin and the other three using inorganic adhesive (Magnesium Oxychloride Cement). The experimental results show that :(a) The fire resistance performance of CFRP-strengthened concrete slab by inorganic adhesive with 15mm thickness fire protection was better than the slab without fire protection; (b) Without considering the impact of burst, the fire resistance performance of CFRP-strengthened concrete slab by inorganic adhesive with 30mm fire protection was better than the slab with 15mm fire protection;(c)Under the same fire protection measures, the fire resistance performance of CFRP-strengthened concrete slab with inorganic adhesive was better than the concrete slab strengthened with CFRP by epoxy adhesive.

• Periodical: Applied Mechanics and Materials (Volumes 90-93)
• Pages: 3122-3130
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.90-93.3122
• Online since: September 2011
• Authors: Xin Zhang, Guo Qiang Zhang
• Keywords: CFRP Sheet Strengthened Concrete Slab, Fire Resistance Performance, Fire Test, High-Temperature, Inorganic Adhesive MOC

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