Punching Shear Strength and Behavior of CFT Column to RC Flat Plate connections

CFT기둥-RC 무량판 접합부의 펀칭전단강도 및 거동

  • Received : 2006.04.05
  • Accepted : 2006.07.11
  • Published : 2006.08.27

Abstract

This paper summarizes full-scale test results on CFT column-to- flat plate connections has gained wide acceptance subjected to gravity loading. CFT construction has gained wide acceptance in a relatively short time in domestic building construction practice due to its various structural and construction advantages. However, efficient details for CFT column to flat plate connections have not been proposed yet. Based on the strategies that maximize economical field construction, several connecting schemes were proposed and tested. Test results showed strength and connection stiffness exceeding those of R/C flat p late counterparts. A semi-analytical procedure is presented to model the behavior of CFT column-to-flat plate connections. The five parameters to model elastic to post-punching catenary action range are calibrated based on the limited test data of t to progressive collapse prevention design is also illustrated.

Acknowledgement

Supported by : 학술진흥재단, 한국건설교통기술평가원

References

  1. 대한건축학회 (2000), '건축물 하중기준 및 해설', 태림문화사
  2. 이철호, 김진원, 오정근. (2005), '콘크리트 충전각형강과 (CFT)기둥과 철근콘크리트 무량판 접합부 상세 및 설계 법 개발을 위한 실험연구', 강구조학회 논문집, 제 17권 4 호, pp.481-490
  3. AISC (2001), Manual of Steel Construction: Load and Resistance Factor Design, Third Edition
  4. ACI Committe 318 (2005), Building Code Requirements fo Structural Concrete (ACI 318-05) and Commentary (ACI 318R-05), American Concrete Institute (ACI), Detroit, Mich
  5. C. K. Wang and C. G. Salmon (1979), Reinforced concrete design, Harper & Row Publishers
  6. N. M. Hawkins (1974), Shear strength of slabs with shear reinforcement, Shear in reinforced concrete, Vol. 2 (SP-42). Detroit: ACI, pp.785-816
  7. W. G. Corley and N. M. Hawkins (1968), Shearhead reinforcement for slabs, ACI Journal, Proceedings, 65, October, pp. 811-824
  8. S.P. Timoshenko and S.W.-Krieger (1987), Theory of plates and shells, McGraw-Hill Book co., pp. 141-143
  9. Department of Defense, (2004), Design of Buildings to Resist Progressive Collapse, Unified Faculties Criteria UFC 4-023-03, approved for public release, distribution unlimited