Now showing items 1-20 of 109

    • Steel Sheet Sheathing Options for CFS Framed Shear Wall Assemblies Providing Shear Resistance 

      Yu, Cheng; Vora, Hitesh; Dainard, Tony; Tucker, Jimmy; Veetvkuri, Pradeep (2007-10-31)
      In cold-formed steel construction, stud walls covered with steel sheet sheathing is an available option to resist lateral loads such as those caused by wind and earthquakes. The current American Iron and Steel Institute ...
    • Load Bearing Clip Angle Design 

      Yu, Cheng; Yousof, Mohamad; Mahdavian, Mahsa (2015-04-08)
      The report presents a comprehensive research project aimed at developing design methods for three limit states of cold-formed steel clip angles: shear, compression, and pull-over of the screw connections. For each limit ...
    • Cold-Formed Steel Bolted Connections Using Oversized and Slotted Holes without Washers Phase 2 

      Yu, Cheng; Xu, Ke (2010-03-18)
      In cold-formed steel (CFS) construction, bolted connections without washers for either oversized or slotted holes may significantly expedite the installation process and lower the cost. The North American Specification for ...
    • Steel Sheet Sheathing Options for Cold-Formed Steel Framed Shear Wall Assemblies Providing Shear Resistance - Phase 2 

      Yu, Cheng; Chen, Yujie (2009)
      Monotonic and cyclic tests on cold-formed steel shear walls sheathed with steel sheets on one side were conducted to (1) verify the published nominal shear strength for 18-mil and 27-mil steel sheets; and (2) investigate ...
    • Cold-Formed Steel Bolted Connections Without Washers on Oversized and Slotted Holes Phase 1 

      Yu, Cheng; Sheerah, Ibraheem (2008-07)
      In cold-formed steel construction, bolted connections without washers for either oversized or short slotted holes may significantly expedite the building process and lower the cost. However, the current design specification ...
    • Semirigid Diaphragm Analysis of Archetype Floor Using Design Office Models 

      Swecker, J.; Gengrui, W; Avellaneda-Ramirez, R.E.; Eatherton, M.R. (2022-05)
      Diaphragms are the floor or roof structures in a building that transfer lateral load horizontally to the braced frames or shear walls. For many types of buildings, the building code requires semirigid diaphragm analysis ...
    • Proceedings of Summer Symposium for Students 2022 

      Eladly, Mohammed; Koh, Hyeyoung; Ma, Chenzhi; Yan, Xia; Yelmagandla, Hruthik; Zhang, Zhidong; Ding, Chu; Castaneda, Hernan; Kapoor, Divyansh R; Tawade, Omkar; Akchurin, Damir; Chidambaram Muthu Kumar, Rajshri; Ariana, Sheila; Zhang, Jiachen; Sippel, Ed; Caswell, Hollis; Singh, Amanpreet (2022-05-23)
      Cold-Formed Steel Research Consortium (CFSRC) hosted the third edition of Summer Symposium for Students on May 21, 2022. 17 CFSRC student researchers from 6 different universities shared their work with their colleagues ...
    • Enhancing Seismic Resiliency of Steel Buildings through Three-Dimensional Modeling of Diaphragm System Interaction with Braced Frame 

      Foroughi, Hamid (2021-03-29)
      The design objectives of early seismic codes were mainly achieved by using acceptable construction materials, and minimum levels of strength and stiffness largely derived based on roughly estimated demands. Early seismic ...
    • Seismic Performance and Topology Optimization of Building Diaphragms 

      Fischer, Astrid Winther (2021)
      This dissertation investigates the seismic performance of steel deck diaphragms through the effects of rigid and flexible diaphragms on the seismic response, the diaphragm and wall interactions, and the improvements to the ...
    • Stiffness of Concrete-Filled Steel Deck Diaphragms 

      Avellaneda-Ramirez, R.E.; Eatherton, M.R.; Easterling, W.S.; Schafer, B.W.; Hajjar, J.F. (2022-01)
      In structural analysis of building structures, the in-plane stiffness diaphragms is needed so that lateral loads will be properly distributed to elements of the lateral-force resisting system. In US building codes, diaphragm ...
    • Proceedings of Summer Symposium for Students 2020 

      Singh, Amanpreet; González Ureña, Andrés; Fischer, Astrid W; Wang, Chen; Derveni, Fani; Foroughi, Hamid; Soltani, Maryam; Afifi, Mohamed; Avellaneda, Raul; Wang, Xiang; Zhang, Zhidong; Joorabchian, Abbas; Ding, Chu; Kapoor, Divyansh; Sippel, Ed; Wei, Gengrui; Wang, Haoran; Castaneda, Hernan; Han, Tran; Eladly, Mohammed; Xia, Yu; Koh, Hyeyoung (2020-05)
      CFSRC student and postdoctoral researchers shared their latest research at the CFSRC Summer Symposium on 26 and 27 May 2020. Thirty-four participants enjoyed a deep dive into cold-formed steel and related research – focusing ...
    • Proceedings of Summer Symposium for Students 2021 

      Wang, Xaing; Singh, Amanpreet; Castaneda, Hernan; Kapoor, Divyansh; Avellaneda-Ramirez, Raul; Akchurin, Damir; Zhang, Zhidong; Yan, Xia; Tong, Qi; Koh, Hyeyoung; Inyang, Idisinke; Quan, Sangchu; Ding, Chu; Xia, Yu; Eladly, Mohammed; Sippel, Edward (2021-07)
      The second edition of CFSRC Summer Symposium for Students hosted 17 CFSRC student researchers from 7 different universities to share their work with the full CFSRC investigator team. Researches covering a broad range of ...
    • Evaluation of Metal Building System Seismic Response Modification Coefficients 

      Moen, Cristopher D.; Torabian, Shahab; Schafer, Benjamin W. (2019-04)
      A seismic evaluation was conducted of common metal building configurations within the probabilistic framework defined in FEMA P695 “Quantification of Building Seismic Performance Parameters” with the goal of evaluating the ...
    • Cantilever Testing of Concrete-Filled Steel Deck Composite Diaphragms Using Various Types of Steel Reinforcing 

      Avellaneda-Ramirez, R.E.; Eatherton, M.R.; Easterling, W.S.; Schafer, B.W.; Hajjar, J.F. (2021-11)
      This report provides a summary of nonlinear response history analyses conducted on a three- dimensional model of a series of steel buildings with special concentric braced frames (SCBFs). The models are conducted in OpenSees ...
    • Seismic Behavior of Steel SCBF Buildings Including Consideration of Diaphragm Inelasticity 

      Foroughi, H.; Wei, G.; Torabian, S.; Eatherton, M.R.; Schafer, B.W. (2021-04)
      This report provides a summary of nonlinear response history analyses conducted on a three- dimensional model of a series of steel buildings with special concentric braced frames (SCBFs). The models are conducted in OpenSees ...
    • Post-elastic Capacity of Thin-walled Cold-formed Steel Members 

      Dubina, Dan; Ungureanu, Viorel; Kotelko, Maria (2020-10)
      The paper presents the possibility to apply the local plastic mechanisms to characterize the ultimate strength of thin-walled cold-formed steel members subjected to eccentric compression. In previous papers [13], [14], ...
    • Material properties of cold-formed steel under subzero temperatures 

      Xia, Yu; Sudhiwana, Tanapat; Blum, Hannah (2020-10)
      Cold-formed steel (CFS) structures are becoming increasingly prominent in many construction scenarios because of its distinct advantages, which includes light-weight, easy and low cost for stacking, transportation, and ...
    • Proceedings and Summary of the 2020 CFSRC Colloquium 

      Ayhan, D.; Blum, H.; Peterman, K.D.; Schafer, B.W. (2020-10-22)
      With 110 concurrent attendees from 15 time zones and 51 papers and talks the global online Colloquium held from 20-21 October 2020 provided a unique forum for sharing and learning about the latest research and innovations ...
    • Optimization of flexural strength for cold roll formed sections using design of experiments and response surface methodology 

      Qadir, S.J.; Nguyen, V.B.; Hajirasouliha, I.; Cartwright, B.; English, M.A. (2020-10-20)
      In this study, the buckling and ultimate strengths of cold rolled channel sections with intermediate stiffeners were studied using numerical modelling. In order to improve the section strength, various alternative sections ...
    • The Direct Strength Method for Combined Bending and Web Crippling of Second-Generation Trapezoidal Steel Sheeting 

      Willems, D.W.C.; Hofmeyer, H.; Snijder, H.H.; Schafer, Benjamin W. (2020-10-20)
      Second-generation trapezoidal sheeting, characterised by longitudinal stiffeners in webs and flanges, is loaded near a support by a concentrated force and a bending moment. Currently, design codes predict related failure ...