Using High-Strength Self-Compacting Concrete in Reinforced Concrete Beam-Column Joints (2013)
PublisherUniversity of Canterbury. Civil and Natural Resources Engineering
The capability of self-compacting concrete (SCC) in flowing through and filling in even the most congested areas makes it ideal for being used in congested reinforced concrete (RC) structural members such as beam-column joints (BCJ). However, members of tall multi-storey structures impose high capacity requirements where implementing normal-strength self-compacting concrete is not preferable. In the present study, a commercially reproducible high-strength self-compacting concrete (HSSCC), a conventionally vibrated high-strength concrete (CVHSC) and a normal strength conventionally vibrated concrete (CVC) were designed using locally available materials in Christchurch, New Zealand. Following the guidelines of the New Zealand concrete standards NZS3101, seven beam-column joints (BCJ) were designed. Factors such as the concrete type, grade of reinforcement, amount of joint shear stirrups, axial load, and direction of casting were considered variables. All BCJs were tested under a displacement-controlled quasi-static reversed cyclic regime. The cracking pattern at different load levels and the mode of failure were also recorded. In addition, the load, displacement, drift, ductility, joint shear deformations, and elongation of the plastic hinge zone were also measured during the experiment. It was found that not only none of the seismically important features were compromised by using HSSCC, but also the quality of material and ease of construction boosted the performance of the BCJs.
CitationSoleymani Ashtiani, M., Dhakal, R.P., Scott, A.N. (2013) Using High-Strength Self-Compacting Concrete in Reinforced Concrete Beam-Column Joints. Wellington, New Zealand: New Zealand Society of Earthquake Engineering Conference, 26-28 Apr 2013.
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ANZSRC Fields of Research40 - Engineering::4005 - Civil engineering::400505 - Construction materials
40 - Engineering::4005 - Civil engineering::400504 - Construction engineering
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Soleymani Ashtiani, Mohammad; Dhakal, Rajesh; Scott, A.N. (University of Canterbury. Civil and Natural Resources Engineering, 2013)The capability of self-compacting concrete (SCC) in flowing through and filling in even the most congested areas makes it ideal for being used in congested reinforced concrete (RC) structural members such as beam-column ...
Seismic performance of high-strength self-compacting concrete in reinforced concrete beam-column joints Soleymani Ashtiani, M.; Dhakal, Rajesh; Scott, A. N. (University of Canterbury. Civil and Natural Resources Engineering, 2012)Beam-column joints of reinforced concrete building frames play an important role under seismic excitations. These are one of the most congested areas in reinforced concrete framed structures; placement of concrete and proper ...
Cyclic response analysis of high-strength self-compacting concrete beam-column joints: Numerical modeling and experimental validation Soleymani Ashtiani M; Dhakal, Rajesh; Scott ACN (2018)In this paper, finite element analysis software “DIANA” is implemented to simulate quasi-static cyclic loading test results of three full-scale beam-column joints cast with high-strength self-compacting concrete (HSSCC). ...