CFSRC Reports
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Analytical Equations for Critical Local Buckling Stress of Lipped Channels
(2023-05)The objective of this study is to develop accurate analytical equations for calculating the critical local buckling stress of lipped channels with or without punchouts under compression and bending. Finite strip analysis ... -
Structural Design for Fire Conditions of a Prototype Metal Building using the New Proposed Appendix to AISI S100
(AISI, 2022-05)Performance-Based Design (PBD) for fire conditions has been increasingly adopted for different structural systems over the last decade. The objective of this project is to exemplify through a case study how the newly ... -
Compressive Capacity of Cold-Formed Steel High Strength Low-Alloy Lipped Channels with Intermediate Stiffeners
(2023-01)We report herein a set of compression tests on high strength low alloy (HSLA) cold-formed steel steel sections intended for use as piles. The specimens are lipped channels with outer cross-section dimensions of 6 in. wide ... -
FastFloor Residential Testing Report
(2022-11)The goal of the FastFloor Residential project is to create a new floor system that is lightweight, fast to construct and nonproprietary. FastFloor Residential strives to achieve this by using 3 in. deep steel deck of 18 ... -
Steel Sheet Sheathing Options for CFS Framed Shear Wall Assemblies Providing Shear Resistance
(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
(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
(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
(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
(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
(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 ... -
Enhancing Seismic Resiliency of Steel Buildings through Three-Dimensional Modeling of Diaphragm System Interaction with Braced Frame
(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
(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
(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 ... -
Evaluation of Metal Building System Seismic Response Modification Coefficients
(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
(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
(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 ... -
CFS Bracing Design Using Combinations of Discrete and Sheathing Bracing
(2020-08)The objective of this report is to summarize efforts related to establishing the behavior and design of cold-formed steel wall assemblies potentially braced by discrete steel bracing and wall sheathing. Cold-formed steel ... -
Test Report: Cyclic Performance of Steel Sheet Connections for CFS Steel Sheet Shear Walls
(2020-07-30)The objective of this report is to provide fastener-level force-deformation response appropriate for cold-formed steel (CFS) framed steel sheet sheathed shear walls under cyclic loads. A key feature of the fastened connection ... -
Cyclic performance and characterization of steel deck connections
(NBM Technologies, 2017-12-14)The objective of this report is to provide cyclic connection test results essential to 3D building models required for performing P695 evaluation studies for Rigid Wall-Flexible Diaphragm (RWFD) Buildings. This experimental ... -
Design of Metal Building Roof Purlins Including System Reliability Effects
(2020-06)This report provides a framework to incorporate structural system reliability effects in the design of roof purlins in a typical metal building. Today every roof purlin is considered as a separate component and the effect ...
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