Chapter
Apr 26, 2012
Experimental Study on Fracture Parameter of Three-Point Bending Beam Based on Smart Properties of CFRC
Authors: Dian-jun Zhang and Shi-lang XuAuthor Affiliations
Publication: Earth & Space 2008: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
According to actuality that softening process has no stable model and mode 1 fracture has been investigated rarely, this paper utilizes the smart properties of CFRC to attain initial load of three-point bending beam. Double-K criterion was imported to compute KICini and KICun, which can explain toughening effect of fiber effectually. Results suggest that the smart properties of CFRC can be used to research mode 1 fracture of three-point bending beam after analysis of relationships between fractional change in resistance and load, deflection and CMOD, which are accord with Lorentz fit. The curves of fractional change in resistance before maximum load can illustrate three stages such as elastic deformation, stable fracture and unstable fracture.
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Earth & Space 2008: Engineering, Science, Construction, and Operations in Challenging Environments
Pages: 1 - 9
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© 2008 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Dian-jun Zhang
Yellow River Shandong Bureau, Jinan 250011, China
Shi-lang Xu
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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