MATEC Web Conf.
Volume 280, 2019The 5th International Conference on Sustainable Built Environment (ICSBE 2018)
|Number of page(s)||7|
|Published online||08 May 2019|
Bond Behaviour Between Reinforcing Bars and Geopolymer Concrete By Using Pull-out Test
1 Faculty of Engineering, Lambung Mangkurat University, Banjarmasin, Indonesia
2 Faculty of Civil, Environmental and Geo Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
* Corresponding author: firstname.lastname@example.org
This paper presents the effect of the reinforcing bar diameter (db) and concrete cover thickness to reinforcing bar diameter ratio (c/db) to the bond strength between reinforcing bar and geopolymer concrete by using the experimental pull-out test. The mass ratio of sodium hydroxide (NaOH) to sodium silicate (Na2SiO3) was 2.5 with an 8 M concentration of sodium hydroxide were used in this research. Class F fly ash from Suralaya Power Station, Banten, Indonesia was used as raw material to produce geopolymer concrete. The maximum diameter of coarse aggregate was 10 mm. The result indicated that the maximum pull-out load on reinforcing bar diameter of 16 mm was higher than the diameter of 13 mm. The pull-out failure occurred on the ratio of c/db more than equal of 4.3. The bond strength increased as the ratio of c/db increased, up to 4.3. However, more than 4.3 was the insignificant effect.
© The Authors, published by EDP Sciences, 2019
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