MATEC Web of Conferences
Volume 58, 2016The 3rd Bali International Seminar on Science & Technology (BISSTECH 2015)
|Number of page(s)||8|
|Published online||23 May 2016|
Moment Contribution Capacity of Tendon Prestressed Partial on Concrete Beam-column Joint Interior According to Provisions ACI 318-2008 Chapter 18.104.22.168(c) Due to Cyclic Lateral Loads
1 Civil Engineering Departement, University of Pembangunan Nasional” Veteran”, Surabaya-East-Java- Indonesia and Doctoral Student of Civil Engineering (structure), Faculty of Civil Engineering and Planning-ITS Surabaya - Indonesia.
2 Profesor at Department of Civil Engineering, Faculty of Civil Engineering and Planning-ITS, Surabaya.
This research designed a partial prestressed concrete beam-column with reinforced concrete interior joint, using square columns of 400/400 mm, reinforcement 6 D16 + 4D13, section beam 250/400 mm, tensile reinforcement 5 D13, compression reinforcement 3 D13 + 2 strand tendon D12,7 mm , and joint without plastic hinge, then tested in laboratory with lateral cyclic loads on peak column, static axial load 1120 kN on the centre column, to get the tendon capacity to assume positive and negative bending moments due to lateral load, according to provisions of ACI 318-2008 part 22.214.171.124 (c). Test results showed that the moment tendon contribution on beam section, in the tensile area, the positive and negative moment both on the left side or the right side column are all qualified (<25 %). In compression area, the positive moments on left and right columns are not qualified at all (> 25 %). As for the negative moment, either left or right side column are all qualified (< 25 %). Ductility, compression, and tensile ductility on drift ratio 3.50% are all qualified (>4.0). Although the contribution of positive moment capacity tendon in compression areas does not qualify, in overall, the reliability and ductility of the structure qualify.
Key words: Interior beam-column joint / partial prestressed / tendon moment contribution / ductility
© Owned by the authors, published by EDP Sciences, 2016
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