What is it about?
As many as 24 specimens with variation on the number of fibre layers (one and two layers) and end anchorage techniques (fasteners, U-shape straps, steel bolts) have been tested. It is shown that the effectiveness of glass fibre can be attained only on the specimens with one-layer sheet indicated by the rupture of fibre composite before specimen failure. Strengthening using two layers, bonding failure and delamination of fibre occur before the fibre develops maximum strength. Applying end anchors on the cut-off point of the two layers of fibreglass improves performance of the composite materials in the range of 5.0% to 16.5%. In addition, the end anchors also prevent delamination of the fibre sheet to occur at the cut-off point.
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Why is it important?
Using cheaper material cost in strengthening local construction
Read the Original
This page is a summary of: Performance of composite local glass fibre sheets and epoxy on flexural strengthening of reinforced concrete beams, MATEC Web of Conferences, January 2018, EDP Sciences,
DOI: 10.1051/matecconf/201819502002.
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