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STUDY ON THE EFFECT OF HOOK LENGTH IN RC COLUMN SUBJECTED TO CYCLIC LOADING

Gopika Mohan, Prof. D. C. Mitra, Dr. Bindhu K. R.

Reinforced concrete columns have to be designed and detailed adequately to resist both gravity and lateral loads. Transverse reinforcements in columns in the form of hoops, cross-ties, or spirals play an important role in safeguarding the columns, especially when they are subjected to strong earthquakes or accidental lateral loads. They are required in any column-whether they are parts of a moment resistant frame or the gravity system in order for them to deform laterally and provide the required ductility. As per IS:13920-1993, a 135° hook with 10 diameter extension at each end that is embedded in the confined core is recommended in all reinforced concrete structures located in seismic zone III, IV and V which are highly prone to earthquake. The objective of this work is to carry out experimental investigation by reducing the hook length from 10d to 8d and 6d and to study the behaviour of columns. Studies are conducted to determine the load carrying capacity and energy dissipation of the required specimens and results were discussed.

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哈姆达大学
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国际组织研究所 (I2OR)
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