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Experimental Analysis on Anchor Bond Properties and Bending Carrying Capacity of FRP-bolt Joint Reinforcement

Author: MeiYanKun
Tutor: YaoZhanYong
School: Shandong University
Course: Architecture and Civil Engineering
Keywords: FRP- bolt joint reinforcement Anchoring bond Bond length Bending capacity
CLC: TU375.1
Type: Master's thesis
Year: 2011
Downloads: 22
Quote: 0
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Abstract


Concrete structural protection and reinforcement technology has attracted worldwide attention , FRP- bolt joint reinforcement technique is to solve this problem , one of the effective methods . FRP- bolt joint reinforcement method is a new hybrid reinforcement method for the repair and reinforcement of the existing damaged concrete structures to provide a safer, more efficient and convenient , the new technology of the economy , to improve the bearing capacity of the concrete , extending its life has important theoretical and practical significance . Because the technology is in the early stages of development , basic research on the key technical parameters , construction techniques , mechanical properties blank Thus, a systematic study of FRP- bolt joint reinforcement technique has a significant innovation . In order to better play the advantages of FRP reinforcement technology to improve the traditional surface defects paste FRP reinforcement technology to solve the problem of FRP and concrete bond strength in the FRP reinforcement technology , this article on the basis of the law of the FRP- bolt joint anchoring compared with the traditional FRP reinforced concrete technology FRP- bolt joint reinforcement technology of bonding properties and flexural properties were studied . Through research, to provide the basis for FRP- bolt joint reinforcement technology promotion . FRP- bolt joint FRP- bolt joint reinforcement technology law bonding properties of technical parameters , the use of the ANSYS calculation software , the use of the the bolt preload unit and face-to-face contact analysis to simulate the different bolt preload is determined by a large number of precast beam shear test reinforcement of the beams bond shear stress distribution , and finally put forward a formula for calculating the length of the FRP paste . By laboratory experiments and results analysis , compare different reinforcement beam load - deflection curve of the beam cracking load , the ductility of the beam , the beam cracks in the development of the law and the beam failure mode , clear the FRP- bolt joint reinforced concrete beam flexural strengthening effect .

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CLC: > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures > Girder
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