Kuat-Lekat (Bond Strength) Beton dengan tulangan aluminium

This research was conducted to study experimentally the bond strength between concrete and aluminium reinforcing bar, and the associated development length for optimum bar embedment. Two conditions had been considered, i.e.: (1) normal condition, and (2) special condition where the concrete and its...

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Bibliographic Details
Main Author: Perpustakaan UGM, i-lib
Format: Article
Published: [Yogyakarta] : Universitas Gadjah Mada 1999
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Summary:This research was conducted to study experimentally the bond strength between concrete and aluminium reinforcing bar, and the associated development length for optimum bar embedment. Two conditions had been considered, i.e.: (1) normal condition, and (2) special condition where the concrete and its embedded bar had been soaked in sea water for more than 3 months. The latter condition was considered to anticipate the use of aluminium reinforced concrete structures in marine/corrosive environments. Standard pull-out tests had been conducted to 16 specimens with embedded length of 250 mm, 350 mm, 450 mm, and 550 mm, respectively, for determining the bond strenght between the concrete and the aluminium reinforcing bar. The aluminium reinforcing bars had plain surface, rectangular cross sectional shape (7 mm x 7 mm), and yield stress of 182.5 MPa, while the concrete had compressive strength of 28 MPa. During the tests, the intensities of the pull-out forces, the axial displacements of the embedded bar tips, as well as the corresponding failure mechanisms were observed. Load cell, dial gage, trensducer and Universal Testing Machine had been used for the entire tests. The results showed that: (1) concrete experienced 8.85% degradation of compressive strength when it was soaked in sea weater for 3 months