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Flexural Response of Ferrocement I-Beam to Third-Point Loading

Author(s): Leoncio Mariano C. Acma

Published: 07 Aug 2018

Volume: 21 (2017) Issue 1, Page: , Category: Natural Sciences


Abstract

This study aimed to determine the flexural response of ferrocement I-Beam to third-point loading. Three replicates for each test specimen were made. They were cast using the fabricated C- shaped formwork reinforced with 16, 18, 20, and 22 layers of wire mesh reinforcement then installed back-to-back and connected with A-325 bolts to form I-shaped beams. The said beams were subjected to third-point load test using the Universal Testing Machine. An empirical equation for the determination of flexural strength of the form fr (x) =732.19 + 131.18 x was developed. There was a positive response to the num- ber of layers of wire mesh to the ferrocement I-Beam. By converting the number of layers to the volume fraction of reinforcement from the results of Acma (2014) and Acma et al. (2015), a correlation of the studies was made resulting to an empirical equation. The cracking behavior at failure show perceptible, multiple cracks at each of the three replicates but the time-load curve diagram shows a proportional slope implying that the ferrocement I-beam has exhibited the ductile behavior required; the increase in the number of layers of wire mesh reinforcement also made a positive response to the flexural strength of the ferrocement I-beam.


Keyword(s): Ferrocement I-beam Flexural strength Third-point loading


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