scholarly journals EXPERIMENTAL STUDY ON FLEXURE AND SHEAR BEHAVIOR OF ULTRA HIGH PERFORMANCE FIBER-REINFORCED CONCRETE

2005 ◽  
pp. 67-80 ◽  
Author(s):  
Naoyuki FUKUURA ◽  
Yoshihiro TANAKA ◽  
Weijian Zhao ◽  
Toshihiko TSUKA ◽  
Koichi KANO ◽  
...  
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
High Performance ◽  
Shear Behavior ◽  
Fiber Reinforced Concrete ◽  
Fiber Reinforced ◽  
High Performance Fiber

A comparative study of flexural and shear behavior of ultra-high-performance fiber-reinforced concrete beams

2019 ◽  
Vol 22 (7) ◽  
pp. 1727-1738 ◽  
Author(s):  
Masoud Pourbaba ◽  
Hamed Sadaghian ◽  
Amir Mirmiran
Keyword(s):  
Reinforced Concrete ◽  
High Performance ◽  
Concrete Beams ◽  
Shear Behavior ◽  
Fiber Reinforced Concrete ◽  
Reinforced Concrete Beams ◽  
Fiber Reinforced ◽  
High Performance Fiber ◽  
Loading Tests ◽  
Normal Strength

In this research, the flexural and shear behavior of five locally developed ultra-high-performance fiber-reinforced concrete beams was experimentally investigated. Four-point loading tests were carried out on concrete specimens which were further compared with five normal-strength concrete beams constructed at the laboratory. The objective of this study is to assess the flexural and shear behavior of ultra-high-performance fiber-reinforced concrete beams and compare them with that of normal-strength beams and available equations in the literature. Results indicate underestimation of shear (up to 2.71 times) and moment capacities (minimum 1.27 times, maximum 3.55 times) by most of the equations in beams with low-reinforcement ratios. Finally, results reveal that the experimental flexural and shear capacities of ultra-high-performance fiber-reinforced concrete specimens are up to 3.5 times greater than their normal-strength counterpart specimens.

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