The Structural Engineer > Archive > Volume 70 (1992) > Issues > Issue 18 > The Effects of Detailing on RC Beam/Column Connection Behaviour
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The Effects of Detailing on RC Beam/Column Connection Behaviour

Laboratory tests on 15 reinforced concrete external beam/column connections are described. Three reinforcement details were used - bending beam tension steel up or down into the column and the ‘U’ bar - in conjunction with which beam depth, beam tension steel percentage and column load were varied. Internally strain-gauged reinforcement was used to obtain detailed distributions of strain along the beam and column bars and so investigate the intrinsic mechanisms of connection behaviour. Results are presented to indicate the performance of the details under the different test conditions, particularly influences exerted by the test parameters on reinforcement strain distributions. Bond stresses along the beam tension steel are evaluated, and the means by which each detail effected load transfer by bond is described. Recommendations are made concerning the effectiveness and suitability of each detail in practical connection design. R.H. Scott

Author(s): Scott, R H

Keywords: detailing;effects;reinforced concrete;beams;columns;connections;behaviour;laboratory testing;bond;stresses;reinforcement;design;strain gauges