Cyclic Loading Tests for Cold-Formed Steel Wall Frames with Lightweight Concrete

Document Type : Research Papers


Department of Civil Engineering, Taft Branch, Islamic Azad University, Taft, Iran


Lightweight steel framing is a method in housing and construction that have been widely used in lightweight steel construction. In this method, the structure is built by cold formed steel elements. They are cost-effective, light, and easy to assemble. However, the performance of lateral load resisting systems in cold-formed steel structures specially the behavior of cold-formed steel shear walls filled with lightweight structural concrete under seismic loads has not been studied in detail. In this study, an experimental investigation on cold-formed steel frames filled with lightweight structural concrete has been conducted and the results are presented. Six full-scale cold-formed steel frames filled with lightweight structural concrete with two different configurations were studied. The test was performed under a standard cyclic loading regime. This study is focused on the ultimate lateral load capacity and seismic response modification factor of cold-formed steel walls filled with lightweight concrete subjected to cyclic loads. Based on the test observation, detailed discussions on the failure modes of cold-formed steel wall specimens are given. Finally, shear load resistance, seismic response modification factor, failure modes, energy dissipation and stiffness of tested shear walls are proposed and discussed. The results show that although lower height to width ratio leads to a greater shear load resistant, energy dissipation, and stiffness for shear wall filled with lightweight concrete, its seismic modification factor is lower than those shear walls, which have higher height to width ratio.


Main Subjects

Abdollahzadeh, G. and Malekzadeh, H. (2013). “Response modification factor of coupled steel shear walls”, Civil Engineering Infrastructures Journal, 46(1), 15-26.
AISI (2003). Cold-formed steel design, 2002 Ed., AISI Manual, American Iron and Steel Institute, Washington, D.C., USA.
AISI S213-07 (2007). North American standard for cold-formed steel framing lateral design, American Iron and Steel Institute, Washington, D.C., USA.
ASTM-E2126 (2007). Standard test methods for cyclic (reversed) load test for shear resistance of vertical elements of the lateral force resisting systems for buildings, American Society for Testing and Materials, ASTM  International, West Conshohocken, PA, USA.
ACI Committee 318 (2008). Building code requirements for structural concrete (ACI 318-99) and commentary (318-08), American Concrete Institute, Farmington Hills, Michigan, 470 p.
DaBreo, J., Balh, N., Ong-Tone, C. and Rogers, C.A. (2014). “Steel sheathed cold-formed steel framed shear walls subjected to lateral and gravity loading”, Thin-Walled Structures, 74, 232-245.
Dai, X. (2012). “Numerical modeling and analysis of structural behavior of wall-stud cold-formed steel shear wall panels under in-plane monotonic loads”, Journal of Civil Engineering Research, 2(5), 31-41.
Esmaeili Niari, S., Rafezy, B. and Abedi, K. (2013). “Numerical study on the shear resistance of cold formed steel shear wall with steel sheathing”, Asian Journal of Civil Engineering (BHRC), 14(3), 461-476.
Gerami, M. and Lotfi, M. (2014). “Analytical analysis of seismic behavior of cold-formed steel frames with strap brace and sheathings plates”, Advances in Civil Engineering, July, 1-22.
FEMA 356 (2000). Pre standard and commentary for the seismic rehabilitation of buildings, Federal Emergency Management Agency, American Society of Civil Engineers, Reston, Virginia, USA.
FEMA 450-2 (2003). NEHRP recommended provisions for seismic regulations for new buildings and other structures, Part 1: Provisions, Federal Emergency Management Agency, Building Seismic Safety Council, Washington D.C., USA.
Javaheri Tafti, M.R. and Behnamfar, F. (2013), “Investigating the effect of the number of end-panel studs on the seismic properties of cold-formed light-steel shear-panel braces”, Archives of Civil Engineering, 59(2), 197-214.
Javaheri Tafti, M.R., Ronagh, H.R., Behnamfar, F. and Memarzadeh P. (2014). “An experimental investigation on the seismic behavior of cold-formed steel walls sheathed by thin steel plates”, Thin-Walled Structures, 80, 66-79.
LabVIEW (2007). LabVIEW signal express, National Instruments Corporation, Austin, Texas.
Lin, S.H., Pan, C.L. and Hsu, W.T. (2014). “Monotonic and cyclic loading tests for cold-formed steel wall frames sheathed with calcium silicate board”, Thin-Walled Structures, 74, 49-58.
Liu, P., Peterman, K.D. and Schafer, B.W. (2014). “Impact of construction details on OSB-sheathed cold-formed steel framed shear walls”, Journal of Constructional Steel Research, 101, 114-123.
Mahmoudi, M., Mortazavi, S.M.R. and Ajdari, S. (2016). “The effect of spandrel beam's specification on response modification factor of concrete coupled shear walls”, Civil Engineering Infrastructures Journal, 49(1), 33-43.
Mohebbi, S., Mirghaderi, S.R., Farahbod F., Bagheri Sabbagh, A. and Torabian, S. (2016). “Experiments on seismic behaviour of steel sheathed cold-formed steel shear walls cladded by gypsum and fiber cement boards”, Thin-Walled Structures, 104, 238-247.
Shamim, I., Rogers, C.A. (2013). “Steel sheathed/CFS framed shear walls under dynamic loading: Numerical modelling and calibration”, Thin-Walled Structures, 71, 57-71.
Uang, C.M. (1991). “Establishing R (or Rw) and Cd factors for building seismic provisions”, Journal of Structural Engineering, 117(1), 19-28.
Yu, C. (2010). “Shear resistance of cold-formed steel framed shear walls with 0.686 mm, 0.762 mm, and 0.838 mm steel sheet sheathing”, Thin-Walled Structures, 32, 1522-1529.