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Prediction of cyclic behavior of WUF-W connections with various weld access hole configurations using nonlinear FEA

International Journal of Steel Structures volume 16, pages 1197–1208 (2016)Cite this article

Abstract

The welded unreinforced flange-welded web (WUF-W) moment connection is one of seven prequalified connections for the special moment frames (SMF) specified in AISC 358-10. Previous studies reported that some WUF-W connections with a steep access hole slope failed before completing a loading cycle of 4% drift ratio. For investigating in detail the effect of access hole geometry including access hole slopes on the connection behavior, experimental tests require excessive costs and efforts because there are the large number of combinations of configuration parameters for access hole geometry. In this study, the cyclic behavior of WUF-W connections is evaluated using three-dimensional nonlinear finite element (FE) analyses with an adequate solid element and failure index. Based on the results of FEA, the effect of configuration parameters on the connection behavior is investigated.

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References

  • American Institute of Steel Construction Inc. (2010). Seismic provisions for structural steel buildings, ANSI/AISC 341-10, Chicago, IL.

    Google Scholar 

  • American Institute of Steel Construction Inc. (2010). Prequalified connections for special and intermediate steel moment frames for seismic applications, ANSI/ AISC 358-05, Chicago, IL.

    Google Scholar 

  • American Welding Society (2009). Structural welding codeseismic supplement, AWSD 1.8/D1.8M, Miami FL.

    Google Scholar 

  • Dassault Systemes (2010). ABAQUS Analysis User’s Manual, Providence, RI.

    Google Scholar 

  • El-Tawil, S., Mikesell, T., Vidarsson, E., Kunnath, S.K. (1998). “Strength and ductility of FR welded-bolted connections, SAC Joint Venture.” Rep. No. SAC/BD-98/01, Richmond, CA.

    Google Scholar 

  • Han, S.W., Moon, K.H., Jung, J. (2014). “Seismic Performance Evaluation of Intermediate Moment Frames with Reduced Beam Section and Bolted Web Connections.” Earthquake Spectra, 31(24), pp. 1663–1681.

    Article  Google Scholar 

  • Kaufmann, E.J. (2001). “Characterization of cyclic inelastic strain behavior on properties of A572 Gr.50 and A913 Gr. 50 Rolled Sections.” ATLSS Rep. No. 01-13, Bethlegem, PA.

    Google Scholar 

  • Krawinkler, H., Gupta, A., Medina, R., and Luco, N. (2000). “Loading histories for seismic performance testing of SMRF components and assemblies.” SAC Joint Venture, Rep. No. SAC/BD-00/10, Sacramento, CA.

    Google Scholar 

  • Lee, D., Cotton, S.C., Hajjar, J.F., Dexter, R.J., and Ye, Y. (2005a). “Cyclic connections reinforced by alternative column stiffner details I: panel zone behavior and doubler plate detailing.” AISC Engineering Journal, 42(4), pp. 189–214.

    Google Scholar 

  • Lee, D., Cotton, S.C., Hajjar, J.F., Dexter, R.J., Ye, Y. (2005b). “Cyclic connections reinforced by alternative column stiffner details II: panel zone behavior and doubler plate detailing.” AISC Engineering Journal, 42(4), pp. 215–238.

    Google Scholar 

  • Lu, L.W., Ricles, J.M., Fisher, J.W. (2000). “Critical issues in achieving ductile behavior of welded moment connections.” Journal of Constructional Steel Research, 55, pp. 325–341.

    Article  Google Scholar 

  • Malley J. (1998). “SAC steel project: Summary of phase 1 testing investigation results.” Engineering Structures, 20(4-6), pp. 300–309.

    Article  Google Scholar 

  • Mao, C., Ricles, J., Lu, L.W., and Fisher, J. (2001). “Effect of local details on ductility of welded moment connections,” ASCE Journal of Structural Engineering, 127(9), pp.1036–1044.

    Article  Google Scholar 

  • Plumier, A. (1990). “New idea for safe structure in seismic zones.” Proceedings of LABSE Symposium, Belgium, Brussels, pp. 253–258.

    Google Scholar 

  • Ricles, J.M., Mao, C., Lu, L.W., and Fisher, J.W. (2002). “Inelastic cyclic testing of welded unreinforced moment connections.” ASCE Journal of Structural Engineering, 128(4), pp. 429–440.

    Article  Google Scholar 

  • Ricles, J.M., Fisher, J.W., Lu, L.W., and Kaufmann, E.J. (2000). “Development of improved welded moment connections for earthquake-resistant design.” ASCE Journal of Structural Engineering, 58(19), pp. 565–604.

    Google Scholar 

  • Roeder C.W. (2002). “Connection performance for seismic design of steel moment frames.” ASCE Journal of Structural Engineering, 128(4), pp. 300–309.

    Google Scholar 

  • Richmond. (2000). Recommended seismic design criteria for new steel moment frame buildings, FEMA 350, CA.

    Google Scholar 

  • Youssef, N.F.G., Bonowitz, D, and Gross, J.L. (1995). “A survey of steel moment resisting frame buildings affected by the 1994 Northridge earthquake.” National Institute of Standard and Technology, Rep. No. NISTIR-5625.

    Google Scholar 

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Authors and Affiliations

  1. Department of Architectural Engineering, Hanyang University, Seoul, 133-1791, Korea

    Sang Whan Han, Nam Hun Kim & Soon Wook Cho

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  1. Sang Whan Han
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  2. Nam Hun Kim
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  3. Soon Wook Cho
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Correspondence to Sang Whan Han.

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Han, S.W., Kim, N.H. & Cho, S.W. Prediction of cyclic behavior of WUF-W connections with various weld access hole configurations using nonlinear FEA. Int J Steel Struct 16, 1197–1208 (2016). https://doi.org/10.1007/s13296-016-0057-0

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  • DOI: https://doi.org/10.1007/s13296-016-0057-0

Keywords

  • cyclic behavior
  • moment connection
  • finite element analysis
  • access hole
  • failure index
  • special moment frame