Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC

Ultra-High-Performance Fiber-Reinforced Cementitious Composite (UHP-FRCC) shows very high strength and durability due to its very dense microstructure. While extensive research on the tensile and bending behavior of this composite under short-term loading has been reported, limited results are avail...

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Main Authors: Nishiwaki, T., Otaki, H., Igarashi, G., Kwon, S., Shaikh, Faiz, Fantilli, A.
Format: Conference Paper
Published: 2017
Online Access:http://hdl.handle.net/20.500.11937/60867
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author Nishiwaki, T.
Otaki, H.
Igarashi, G.
Kwon, S.
Shaikh, Faiz
Fantilli, A.
author_facet Nishiwaki, T.
Otaki, H.
Igarashi, G.
Kwon, S.
Shaikh, Faiz
Fantilli, A.
author_sort Nishiwaki, T.
building Curtin Institutional Repository
collection Online Access
description Ultra-High-Performance Fiber-Reinforced Cementitious Composite (UHP-FRCC) shows very high strength and durability due to its very dense microstructure. While extensive research on the tensile and bending behavior of this composite under short-term loading has been reported, limited results are available on the time dependent behavior of UHP-FRCC under sustained loading, which are strongly related to the real-life-structures. This paper presents experimental results concerning creep behavior of cracked UHP-FRCC specimens under sustained tensile and bending loads up to 28 days. Under uniaxial tension, the load is applied to dog-bone type specimens. In the case of bending creep test, a sustained load is applied to a pair of prismatic specimens in a 4-point bending setup. The results show that UHP-FRCC exhibits low creep deformation under both these loading conditions. Furthermore, deflection hardening behavior lasts under Cracking behavior in terms of crack width and number of cracks under sustained loads in both composites is also studied and their comparisons are presented in the paper.
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spelling curtin-20.500.11937-608672018-08-20T03:24:49Z Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC Nishiwaki, T. Otaki, H. Igarashi, G. Kwon, S. Shaikh, Faiz Fantilli, A. Ultra-High-Performance Fiber-Reinforced Cementitious Composite (UHP-FRCC) shows very high strength and durability due to its very dense microstructure. While extensive research on the tensile and bending behavior of this composite under short-term loading has been reported, limited results are available on the time dependent behavior of UHP-FRCC under sustained loading, which are strongly related to the real-life-structures. This paper presents experimental results concerning creep behavior of cracked UHP-FRCC specimens under sustained tensile and bending loads up to 28 days. Under uniaxial tension, the load is applied to dog-bone type specimens. In the case of bending creep test, a sustained load is applied to a pair of prismatic specimens in a 4-point bending setup. The results show that UHP-FRCC exhibits low creep deformation under both these loading conditions. Furthermore, deflection hardening behavior lasts under Cracking behavior in terms of crack width and number of cracks under sustained loads in both composites is also studied and their comparisons are presented in the paper. 2017 Conference Paper http://hdl.handle.net/20.500.11937/60867 restricted
spellingShingle Nishiwaki, T.
Otaki, H.
Igarashi, G.
Kwon, S.
Shaikh, Faiz
Fantilli, A.
Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC
title Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC
title_full Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC
title_fullStr Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC
title_full_unstemmed Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC
title_short Experimental study on the tensile and bending creep behavior of cracked UHP-FRCC
title_sort experimental study on the tensile and bending creep behavior of cracked uhp-frcc
url http://hdl.handle.net/20.500.11937/60867