Experimental Investigation of Hybrid Concrete Elements with Varying Fiber Reinforcement under Concentrated Load

Author(s):  
Sven Plückelmann ◽  
Rolf Breitenbücher
2016 ◽  
Vol 825 ◽  
pp. 57-62
Author(s):  
Michal Přinosil

In this article, the cohesion between fiber reinforcement and lime-based mortar is experimentally investigated using so-called pullout test. The experiment is based on the progressive pulling out of the fiber from the matrix. Comparing the experimental load-displacement diagram with the theoretical curve from the analytical model, the micromechanical parameters describing the fiber-matrix interface are evaluated. In the study, several types of synthetic and glass fibers are considered as well as two types of lime-based mortars. The first one is pure lime, while the second one has lime-metakaolin matrix.


2020 ◽  
Vol 56 (3) ◽  
pp. 367-378 ◽  
Author(s):  
V. Khatkar ◽  
A. G. Sakthi Vijayalakshmi ◽  
R. N. Manjunath ◽  
S. Olhan ◽  
B. K. Behera

2021 ◽  
Vol 1145 (1) ◽  
pp. 012096
Author(s):  
K S Raghul ◽  
K Giridharan ◽  
R Gobikrishnan ◽  
Vra Gowthamaa ◽  
V S Jeffrin Jill

2012 ◽  
Vol 166-169 ◽  
pp. 322-328
Author(s):  
Huai Lin Peng ◽  
Feng Zhou ◽  
Le Wei Tong

A series of tests on cold-formed steel square and rectangular hollow sections subjected to web crippling is reported in this paper. The web crippling tests were conducted under two loading conditions of end-two-flange (ETF) and interior-two-flange (ITF), which are specified in the current North American Specification for cold-formed steel structures. The concentrated load was applied by means of bearing plates, which act across the full flange width of the specimen sections. Different bearing lengths were investigated. The test specimens were fabricated by cold-rolling from steel sheet with nominal yield strength of 345MPa. The measured web slenderness values of the tubes ranged from 15.5 to 46.0. The test strengths obtained from this study are compared with the design strengths obtained using the current North American Specification, Australia Standard, European Code and Chinese Code for cold-formed steel structures. It is shown that the design strengths predicted by the specifications are either unreliable or too conservative.


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