DOUBLE PUNCHING ASSAY FOR FIBRE REINFORCED CONCRETE: EFFECT OF THE SIZE AND ORIGIN OF THE GRADUATED CYLINDER.

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Title: DOUBLE PUNCHING ASSAY FOR FIBRE REINFORCED CONCRETE: EFFECT OF THE SIZE AND ORIGIN OF THE GRADUATED CYLINDER.

Author(s): Carlos Aire, Climent Molins y Antonio Aguado.

Publication: IMCYC

Volume: 5

Issue: 1

Appears on pages(s): 17-31

Keywords: Reinforced concrete with fiber, double punching test, sturdiness, Barcelona Test.

Date: 7/1/2013

Abstract:
Traditionally, to characterize the behavior of reinforced concrete with fiber (CRF) flexural tests are performed on beams. However, in accordance with various studies on CRF, it has been seen different variation coefficients of the order of 20 % for the results of flexural test beams. Recently, it has been developed a new method based on the double punching, called Barcelona test, as an alternative to determine the resistance to the indirect traction of the CRF. It is a test of easy execution over which a cylinder of 150 mm of diameter and 150 mm of height, undergoes double punching test, which allows to obtain the resistance to indirect traction of the CRF, with coefficients of variation less than those obtained by methods which employ beams. This article shows the results of a comparative study between results of resistance and sturdiness applying the Barcelona test obtained in molded test tubes of 100 and 150 mm and witness test tubes of 93 and 153 mm.


Mexican Institute of cement and concrete, International Partner Access.

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