Behavior of High Strength Reinforced Concrete Wide Beam-Column Joint with Slab

슬래브가 있는 고강도 철근 콘크리트 넓은 보-기둥 접합부의 거동

  • 최종인 (한양대학교 대학원) ;
  • 안종문 (한양대학교 STRESS 연구) ;
  • 신성우 (한양대학교 건축학부) ;
  • 박성식 (대한주택공사 주택도시연구원) ;
  • 이범식 (대한주택공사 주택도시연구원) ;
  • 양지수 (대한주택공사 건축설계처)
  • Published : 2002.05.01

Abstract

An experimental investigation was conducted to study the behavior of high-strength RC wide beam-column joints with slab subjected to reversed cyclic loads under constant axial load. Six half scale interior wide beam-column assemblies representing a portion of a frame subjected to simulated seismic loading were tested, including three specimens without slab and three specimens with slab. The primary variables were compressive strength of concrete( $f_{ck}$ =240, 500kgf/c $m^2$), the ratio of the column-to-beam flexural capacity( $M_{r}$=2$\Sigma$ $M_{c}$$\Sigma$ $M_{b}$ ; 0.77-2.26), extended length of the column concrete($\ell$$_{d}$ ; 0, 9.6, 30cm), ratio of the column-to-beam width(b/H ; 1.54, 1.67). Test results are shown that (1) the behavior of specimen using high-strength concrete satisfied the required minimum ductile capacity according to increase the compressive strength, (2). In the design of the wide beam-column joints, one should be consider the effects of slab stiffness which is ignored in the current design code and practice.ice.e.e.

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