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CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
- Keyword
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- Cold-formed steel (4)
- Cold-formed steel; Web crippling; Finite element analysis; Web openings; Channel section (3)
- Cold-formed steel structures (2)
- Finite element analyses (2)
- Genetic algorithm (2)
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- LiteSteel beams (2)
- Optimization (2)
- Portal frame (2)
- Shear capacity (2)
- Web openings (2)
- ABAQUS; Numerical simulation; CFS composite floor (1)
- Bracing member (1)
- Building industrialisation (1)
- Built-up section||modified slenderness ratio||axial strength (1)
- CFS framed shear wall; Screw connection; Steel sheathing; Finite element analysis (1)
- CFS framed shear wall; Steel sheathing; Finite element analysis; Seismic behavior (1)
- Cold formed steel; shear connector; ductility; strength resistance; composite beam; push test (1)
- Cold-Formed Steel Column; Checkered Sheet; Experiments; Finite Element Simulations (1)
- Cold-Formed Steel Purlins; Standing Seam Roof System; Uplift Capacity; Lateral Restraints; Torsional Restraints; Bending Bearing Capacity (1)
- Cold-Formed Steel Structures; Light Gauge Steel Roofing Systems; Steel Battens; Wind Uplift Forces; Pull-Through Failures; Experiments; Design Rules (1)
- Cold-Formed Steel; Shear Walls; Bearing Walls; Vertical Loa (1)
- Cold-Formed Steel; Stressed-Skin Action; Optimization (1)
- Cold-Formed Thin-Walled Steel Beams; Built-Up Box Section; Numerical Analysis; Moment Capacity; Design Method (1)
- Cold-Rolled Steel Plate (1)
- Cold-formed Steel Beams; Rivet Fastened Hollow Flange Channel Beams; Finite Element Analysis; Bending; Local Buckling; Design Equations (1)
- Cold-formed Steel Beams; Web Crippling; Lipped Channel Beams; SupaCee Sections; Experiments; Finite Element Analyses; ETF; ITF; EOF and IOF Load Cases; Design Rules; Direct Strength Method (1)
- Cold-formed ferritic stainless steel; Unlipped channels; Finite element analysis; Web bearing capacity; Web perforation (1)
- Cold-formed stainless steel; Lipped channel-section; Web crippling; Finite element analysis; Strength reduction factor (1)
- Cold-formed steel roof and wall systems; Steel roof battens and purlins; Screw fastener connections; Wind loads; Localised pull-out failures; Localized pull-out failures; Experimental study; Design equations (1)
- Cold-formed steel structures. (1)
Articles 1 - 30 of 1036
Full-Text Articles in Engineering
Web Crippling Of Cold-Formed High Strength Steel Square And Rectangular Hollow Sections Under Two-Flange Loading Conditions, Hai-Ting Li, Benjamin Young
Web Crippling Of Cold-Formed High Strength Steel Square And Rectangular Hollow Sections Under Two-Flange Loading Conditions, Hai-Ting Li, Benjamin Young
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The web crippling behavior of cold-formed high strength steel (HSS) square and rectangular hollow sections under End-Two-Flange and Interior-Two-Flange loading conditions is studied. The cold-formed HSS tubular sections had nominal 0.2% proof stresses of 700 and 900 MPa. Finite element (FE) models were developed and validated against test results, showing the capability of replicating the experimental web crippling strengths, failure modes and load-deformation histories. Upon validation of the FE models, an extensive parametric study comprised 112 FE analyses was performed. The web crippling strengths obtained from the experimental and numerical investigations were compared with the nominal strengths calculated from the …
Sdi Steel Deck On Cold-Formed Steel Framing Design Manual, Thomas Sputo
Sdi Steel Deck On Cold-Formed Steel Framing Design Manual, Thomas Sputo
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Biaxial Bending Of Cold-Formed Steel Storage Rack Uprights – Part I: Parametric Studies And Response, Nima Talebian, Benoit P. Gilbert, Cao Hung Pham, Romain Chariere, Hassan Karampour
Biaxial Bending Of Cold-Formed Steel Storage Rack Uprights – Part I: Parametric Studies And Response, Nima Talebian, Benoit P. Gilbert, Cao Hung Pham, Romain Chariere, Hassan Karampour
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper first introduces an advanced finite element model to determine the biaxial bending capacity of cold-formed steel storage rack upright sections. The model is found to accurately predict published experimental results with an average predicted to experimental capacity ratio of 1.02. Second, the validated model is used to run parametric studies and analyse the biaxial response of slender, semi-compact and compact unperforated storage rack upright cross-sections. Analyses are run for local and distortional buckling failure modes only. Ten and four different cross-sectional shapes are analysed for local and distortional buckling, respectively, and nine biaxial bending configurations are considered per …
Biaxial Bending Of Cold-Formed Steel Storage Rack Uprights – Part Ii: Design Methods, Nima Talebian, Benoit P. Gilbert, Cao Hung Pham, Hassan Karampour
Biaxial Bending Of Cold-Formed Steel Storage Rack Uprights – Part Ii: Design Methods, Nima Talebian, Benoit P. Gilbert, Cao Hung Pham, Hassan Karampour
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper uses the results from the parametric studies reported in the companion paper to verify the accuracy of different forms of published direct strength method (DSM) equations. They consist of the classical DSM equations and considering the inelastic reserve capacity into these equations, with and without an extended range of the cross-sectional slenderness. The verifications are made for local and distortional buckling modes. Results show that for all investigated buckling modes, the DSM results in better predictions when the inelastic reserve capacity is considered. The appropriate form of the DSM to predict the biaxial capacity of unperforated cold-formed steel …
Transverse Shear Stiffness Of Bolted Cold-Formed Steel Storage Rack Upright Frames With Channel Bracing Members, Nima Talebian, Benoit P. Gilbert, Hassan Karampour
Transverse Shear Stiffness Of Bolted Cold-Formed Steel Storage Rack Upright Frames With Channel Bracing Members, Nima Talebian, Benoit P. Gilbert, Hassan Karampour
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Accurately evaluating the transverse shear stiffness of cold-formed steel storage rack upright frames is crucial to calculate the frame elastic buckling load, perform earthquake design and serviceability checks. This is especially essential for high-bay racks, which are subjected to large second-order effects, and racks supporting the building enclosure, which are exposed to transverse wind loads. The shear behaviour of these frames is poorly understood and experimental testing is usually required to measure their stiffness. Previous studies have shown that Finite Element Analyses (FEA), solely using beam elements, fail to reproduce experimental test results and may overestimate the transverse shear stiffness …
Wei-Wen Yu International Specialty Conference On Cold-Formed Steel Structures 2018: Recent Research And Developments In Cold-Formed Steel Design And Construction, Wei-Wen Yu Center For Cold-Formed Steel Structures
Wei-Wen Yu International Specialty Conference On Cold-Formed Steel Structures 2018: Recent Research And Developments In Cold-Formed Steel Design And Construction, Wei-Wen Yu Center For Cold-Formed Steel Structures
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
No abstract provided.
Sustainability Of Modular Lightweight Steel Building From Design To Construction, Ornella Iuorio, Loredana Napolano, Luigi Fiorino, Raffaele Landolfo
Sustainability Of Modular Lightweight Steel Building From Design To Construction, Ornella Iuorio, Loredana Napolano, Luigi Fiorino, Raffaele Landolfo
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The increasing concerns over population growth, depletion of natural resources and global warming as well as catastrophic natural events is leading the international scientific community to envisage sustainability as a crucial goal. The built environment plays a key role on the triple bottom line of the sustainable development -- Planet, People, Profit -- because of several environmental, social and economic impacts produced by the construction sector. The acknowledged need to promote a sustainable building market is an international high-priority issue as underlined by the 2030 Agenda for Sustainable Development. Indeed one of its strategic objectives highlights to make cities and …
Computational Modeling Of Joist-To-Ledger Connections In Cold-Formed Steel Diaphragms, Hernan Castaneda, M. Eng, Kara D. Peterson
Computational Modeling Of Joist-To-Ledger Connections In Cold-Formed Steel Diaphragms, Hernan Castaneda, M. Eng, Kara D. Peterson
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Cold-formed steel framed buildings can involve a range of options for framing systems, including balloon framing, platform framing, and ledger framing. Transfer of lateral forces from the diaphragms to the wall system (and ultimately to the ground) depends on the interactions within the wall-diaphragm connection, which is dependent on choice of framing system. In ledger framing, floor joists are hung from top of wall studs via a rim track (ledger) and clip angle connection. Recent experimental efforts at Johns Hopkins University studied the wall-diaphragm connection with the goal of quantifying its contribution to overall diaphragm response. Results from these experiments …
Effect Of Connection Details On The Cyclic Behavior Of Nestable Screw Sidelaps, S. Torabian, H. Folk, Benjamin W. Schafer
Effect Of Connection Details On The Cyclic Behavior Of Nestable Screw Sidelaps, S. Torabian, H. Folk, Benjamin W. Schafer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The connection strength and stiffness sensitivity of screwed sidelaps in nestable steel decks to screw installation details has been experimentally explored via cyclic testing. The cyclic behavior of sidelaps has been recently incorporated in the high fidelity modeling and seismic evaluation of the steel deck diaphragm in rigid wall - flexible diaphragm buildings, where “unzipping” a sidelap (loss of a significant number of sidelap connections along a deck edge) could significantly reduce the seismic performance of the whole diaphragm. A total of 24 monotonic and cyclic sidelap tests have been performed in the Thin-Walled Structures Laboratory at Johns Hopkins University. …
Stressed Skin Design Of Steel Sheeting Panels – Part 1: Shear Resistance And Flexibility Of Screw Lapped Joists, A. M. Wrzesien, James B. P. Lim, I. A. Macleod, R. M. Lawson
Stressed Skin Design Of Steel Sheeting Panels – Part 1: Shear Resistance And Flexibility Of Screw Lapped Joists, A. M. Wrzesien, James B. P. Lim, I. A. Macleod, R. M. Lawson
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The shear resistance and flexibility of a steel roof diaphragm depend largely on shear resistance and slip flexibility of the single screw lap joint. In this paper, screw connections relevant to modern roof construction are investigated. The tests provided experimental values of shear/tearing resistance and joint flexibility of seam connections, cladding/purlin connections and purlin/rafter connections. The novel aspects of the experimental research include investigation of the behaviour of shear connections in 0.5mm thick sheeting and thick-to-thin connections in S550 high tensile steel. Overall, six series of tests were conducted and each test was repeated five times in order to demonstrate …
Sidelap And Structural Fastener Tests For Steel Deck Diaphragms, Y. Shi, S. Torabian, Benjamin W. Schafer, W. S. Easterling, M. R. Eatherton
Sidelap And Structural Fastener Tests For Steel Deck Diaphragms, Y. Shi, S. Torabian, Benjamin W. Schafer, W. S. Easterling, M. R. Eatherton
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Steel deck diaphragm systems, which are commonly used for roof construction in steel-framed buildings, consist of many parts such as corrugated steel deck sheets, sidelap fasteners between adjacent sheets, structural fasteners from the sheets to the supporting beams or joists, chord elements, and collectors. Load-deformation behavior of a steel deck diaphragm system is typically dominated by sidelap and structural fastener limit states. To understand and accurately model the behavior of steel deck diaphragm systems, it is therefore necessary to characterize the behavior of the individual fasteners. The effect of local geometry and detailing at these fasteners such as how the …
Shake Table Testing For Seismic Response Evaluation Of Cold-Formed Steel-Framed Nonstructural Architectural Components, Luigi Fiorino, Bianca Bucciero, Tatiana Pali, Ornella Iuorio, Raffaele Landolfo
Shake Table Testing For Seismic Response Evaluation Of Cold-Formed Steel-Framed Nonstructural Architectural Components, Luigi Fiorino, Bianca Bucciero, Tatiana Pali, Ornella Iuorio, Raffaele Landolfo
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The seismic response evaluation of cold-formed steel-framed nonstructural architectural components was investigated in an experimental campaign carried out within of the research study agreement between Knauf Gips KG and the Department of Structures for Engineering and Architecture of the University of Naples “Federico II”. The main objective of this research was to investigate the seismic performance of drywall nonstructural systems, i.e. cold-formed steel-framed indoor partition walls, outdoor façade walls and suspended ceilings. The present paper deals with the dynamic shake table tests. The tests were carried out on two different typologies of prototypes (Type 1 and Type 2) for a …
Stressed Skin Design Of Steel Sheeting Panels – Part 2: Shear Panels With Sheeting Fixed On All 4 Sides, A. M. Wrzesien, James B. P. Lim, I. A. Macleod, R. M. Lawson
Stressed Skin Design Of Steel Sheeting Panels – Part 2: Shear Panels With Sheeting Fixed On All 4 Sides, A. M. Wrzesien, James B. P. Lim, I. A. Macleod, R. M. Lawson
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
In this paper, the strength and stiffness of different roof panels were investigated, in order to establish their ability to act as in-plane diaphragms for stressed skin design of cold-formed steel portal frames. A total of 6 roof panels, approximately 3 x 3m, were examined by testing with sheeting profiles fixed on 4 sides. A variety of sheeting profiles in two industry standard thicknesses of 0.5 and 0.7mm were tested, all using top-hat shaped purlins fixed with self-drilling, self-tapping screws. The experimental strength and stiffness of each panel were then compared against existing design methods. The Finite Element Analysis (FEA) …
Critical Design Criteria For Standard, Truncated, And Parallel Chords Cold-Formed Steel Trusses, Maelle Van Thienen, Johannes Dimyadi, James B. P. Lim, G. Charles Clifton
Critical Design Criteria For Standard, Truncated, And Parallel Chords Cold-Formed Steel Trusses, Maelle Van Thienen, Johannes Dimyadi, James B. P. Lim, G. Charles Clifton
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The design of cold-formed steel trusses can be a very complicated and long repetitive process involving up to 28 load combinations added to serviceability checks depending on the design standards being used. This process is particularly tedious if a near optimal solution is required. Additionally, the risk of introducing human errors is usually quite high as it is a process often done by hand. FRAMECAD Structure is a niche software solution born from the desire to provide a complete solution for constructing with cold-formed steel by a company selling roll-forming machines. FRAMECAD Structure specialises on automating the calculations and design …
Strength Of Cold-Formed Steel Clip Angle In Combined Bending And Shear Loading, Cheng Yu, Zhishan Yan, Wenying Zhang
Strength Of Cold-Formed Steel Clip Angle In Combined Bending And Shear Loading, Cheng Yu, Zhishan Yan, Wenying Zhang
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Thin-walled cold-formed steel (CFS) clip angles have been commonly used for connecting CFS framing members or attaching CFS members to the major building structure. The implementation of clip angles involves consideration of ultimate strength for combined bending moments and shear forces. Therefore, a test program of CFS clip angle was recently conducted to investigate the behavior and strength of cold-formed steel clip angle subjected to combined bending moments and shear forces at different boundary conditions. The research included connection tests on clip angle. The testing method was adopted from the AISI S914 Test Standard for Joist Connectors Attached to Clod-Formed …
Tensile Strength And Serviceability Of Cold-Formed Steel Clip Angles, Wenying Zhang, Zhishan Yan, Mahsa Mahdavian, Mohamad Yousof, Cheng Yu
Tensile Strength And Serviceability Of Cold-Formed Steel Clip Angles, Wenying Zhang, Zhishan Yan, Mahsa Mahdavian, Mohamad Yousof, Cheng Yu
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper reports the recent research findings of cold-formed steel clip angles in tension. The relevant experimental program and the proposed design methods are presented. The test program involved two phases of testing: Phase I of program focused on the pull-over strength of screw connections on the anchored leg of the clip angles, and Phase II of program concentrated on the tensile strength of the anchored leg of the clip angles within the service deflection limit. Design methods for predicting the pull-over strength as well as tensile strength within the serviceability deformation limit are proposed based on the test results …
Numerical Simulation Of The Thermal And Mechanical Behavior Of Cold-Formed Steel Composite Floor Under Fire Conditions, Jixian Peng, Wei Chen, Jihong Ye, Zhengliu Wang
Numerical Simulation Of The Thermal And Mechanical Behavior Of Cold-Formed Steel Composite Floor Under Fire Conditions, Jixian Peng, Wei Chen, Jihong Ye, Zhengliu Wang
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Cold-formed steel (CFS) building structures are generally acknowledged as green and industrialized buildings, and the fire resistance behavior has become an important issue. Previous studies were mainly to investigate the fire performance of load-bearing CFS walls lined with different panels. Based on the finite element (FE) software package, ABAQUS, this paper presented a numerical simulation on a new CFS channel joist – ALC (autoclaved lightweight concrete) composite floor under fire conditions. Finally, the present numerical simulation of CFS composite floor in fire was compared with previous full-scaled fire experiments of such floors. The results showed that the temperature progression of …
Fire Resistance Of Cavity Insulated Light Gauge Steel Framed Walls, Anthony Deloge Ariyanayagam, Mahen Mahendran
Fire Resistance Of Cavity Insulated Light Gauge Steel Framed Walls, Anthony Deloge Ariyanayagam, Mahen Mahendran
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Light-gauge steel framed (LSF) wall systems are made of cold-formed steel studs and tracks and lined with gypsum plasterboards. They are mostly cavity insulated to provide acoustic and thermal performance. Cavity insulation delays the temperature rise across the wall as it restrains the heat transfer. This delays the ambient plasterboard surface temperature rise and thus improves the insulation failure time of LSF walls. However, LSF walls are also used as load bearing walls. Having cavity insulation causes the fire side temperatures to increase rapidly, resulting in a higher temperature gradient across the stud depth. This leads to higher thermal bowing …
Human-Structure Interaction In Cold-Formed Steel Floor Systems: An Analytical Perspective, Sigong Zhang, Lei Xu
Human-Structure Interaction In Cold-Formed Steel Floor Systems: An Analytical Perspective, Sigong Zhang, Lei Xu
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Designing cold-formed steel (CFS) floors to prevent annoying vibrations induced by human activities such as walking is still a challenge because human occupants not only generate impact loads but also behave as dynamical systems that interacting with structures. Such interaction, known as human-structure interaction (HSI), can be significant for lightweight floor systems particularly for the case when the mass of human occupants becomes comparable to those of the floors. The aim of this study was therefore to investigate the HSI in vibration of CFS floors subjected to human walking excitations by using the recently proposed damped plate-oscillator model to predict …
Influence Of Gypsum Panels On The Response Of Cold-Formed Steel Framed Strap-Braced Walls, Sophie Lu, Colin A. Rogers
Influence Of Gypsum Panels On The Response Of Cold-Formed Steel Framed Strap-Braced Walls, Sophie Lu, Colin A. Rogers
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
In cold-formed steel construction the steel frame is supplemented with either diagonal strap braces or structural sheathing panels (typically steel or wood) to provide overall stability to the structural system and to directly transfer lateral wind and seismic loads through to the foundation as per the design provisions found in AISI S240 (2015) and AISI S400 (2015). Gypsum panels are often specified to provide a fire-resistance rating for the CFS frame, as well as to ensure that adequate sound-proofing exists between adjacent rooms or building units. The engineer may choose to rely on this gypsum to provide additional lateral resistance, …
Cold-Formed Steel Bolted Moment-Resisting Connections With Friction-Slip Mechanism For Seismic Areas, Marzie Shahini, Alireza Bagheri Sabbagh
Cold-Formed Steel Bolted Moment-Resisting Connections With Friction-Slip Mechanism For Seismic Areas, Marzie Shahini, Alireza Bagheri Sabbagh
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper presents investigation on cold-formed steel (CFS) beam-to-column moment-resisting (MR) bolted connections with high energy dissipation capacity suitable for seismic areas. Bolting friction-slip mechanism of the introduced CFS MR connection is developed as its main seismic energy dissipation fuse aiming to postpone or eliminate local buckling and yielding in the CFS MR connections. Finite Element (FE) modelling techniques are employed to effectively simulate the connections with an activated friction-slip mechanism. Hysteretic energy dissipation response of the connections with circular bolting (CB) arrangement designed to slip at 0.5Mp are presented. Based on the obtained FE results, full-scale physical tests on …
The 2017 Aisi Cold-Formed Steel Design Manual, Joshua Buckholt, Helen Chen
The 2017 Aisi Cold-Formed Steel Design Manual, Joshua Buckholt, Helen Chen
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The 2017 edition of AISI D100, the Cold-Formed Steel Design Manual (Manual) has been published. Updates to the Manual include: alignment with AISI S100-16, the North-American Specification for the Design of Cold-Formed Steel Structural Members (NA Specification); several new and varied design examples; additional discussions related to the design of cold-formed steel structures and components; and expanded bibliographies of relevant resources. The database of examples illustrating the Direct Strength Method (DSM) and new provisions in the NA Specification has been expanded. Also published with the Manual are the North-American Specification and its Commentary.
Planning The Future Of North American Cold-Formed Steel Design Standards, Benjamin W. Schafer, Jay Larson, Helen Chen
Planning The Future Of North American Cold-Formed Steel Design Standards, Benjamin W. Schafer, Jay Larson, Helen Chen
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Growth in cold-formed steel structures has long been tied to developing and advancing the engineering standards that govern their use in construction. The American Iron and Steel Institute (AISI) has taken a leadership role in this activity in North America since 1946. Conventional standards providing closed-formed solutions to member capacity, such as the recently completed suite of AISI Standards in 2015 and 2016. These standards have reached an impressive level of maturity given the complexity of designing entire (building) structural systems out of steel that is rarely greater than 2mm thick. However, the demands on the structural engineer designing cold-formed …
The Impact Of Bearing Conditions On The Behavior Of Cold-Formed Steel Stud Assemblies, Abbas Joorabchian, Zhanjie Li, Kara D. Peterman
The Impact Of Bearing Conditions On The Behavior Of Cold-Formed Steel Stud Assemblies, Abbas Joorabchian, Zhanjie Li, Kara D. Peterman
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The objective of this study is to explore the structural response of cold-formed steel stud assemblies (i.e., stud and track) with partial bearing conditions. It is hypothesized that studs bearing under partial bearing conditions (i.e., not fully bearing on a concrete slab) may result in reduced axial capacities. Currently, the behavior of these systems on concrete slabs due to member instabilities is not well-understood, and cold-formed steel design specifications provide no guidance. This study provides an integral experimental and numerical investigation of the stability response of the studs under partial bearing conditions in order to quantify the reduction of their …
Behavior Of Cold-Formed Steel Metal Industrial Buildings, Adrianna M. Early, M. Ebrahim Mohammadi, Richard L. Wood, Kara D. Peterman
Behavior Of Cold-Formed Steel Metal Industrial Buildings, Adrianna M. Early, M. Ebrahim Mohammadi, Richard L. Wood, Kara D. Peterman
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper presents research focused on understanding the observed behavior of cold-formed steel (CFS) metal buildings during Hurricane Harvey, which made landfall Friday, August 25, 2017 between Port Aransas and Port O’Connor, Texas. Through the Geotechnical Extreme Event Reconnaissance (GEER) association (funded by the National Science Foundation) a team of structural engineers and researchers performed rapid and detailed assessments of structural damage caused by the hurricane. The National Science Foundation gathered photographs, damage assessments sheets, and three-dimensional laser point cloud data of severely damaged cold-formed steel industrial buildings. The Port Aransas County Airport experienced severe damage to several cold-formed steel …
Finite-Element Analysis Of The Eaves Joint Of Cold-Formed Steel Portal Frames Having Single Channel-Sections, Pouya Pouladi, John Ronaldson, George Charles Clifton, Jason Maxwell Ingham, Andrzej M. Wrzesien, Paul Milewski, James B. P. Lim
Finite-Element Analysis Of The Eaves Joint Of Cold-Formed Steel Portal Frames Having Single Channel-Sections, Pouya Pouladi, John Ronaldson, George Charles Clifton, Jason Maxwell Ingham, Andrzej M. Wrzesien, Paul Milewski, James B. P. Lim
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
A finite element model is described for the eaves joint of a cold-formed steel portal frame that comprises a single channel section for the column and rafters eaves connections. The members are connected to the brackets through both screws and bolts. Such a joint detail is commonly used in practice in New Zealand and Australia, where the function of the screws is to prevent slip of the joint during frame erection since the bolt holes are detailed for nominal clearance. The results of the finite element model are compared against two experimental test results. In both, the critical mode of …
Experimental Study Of Apex Connection Stiffness And Strength Of Cold-Formed Steel Double Channel Portal Frames, J. Peng, J. Bendit, H. B. Blum
Experimental Study Of Apex Connection Stiffness And Strength Of Cold-Formed Steel Double Channel Portal Frames, J. Peng, J. Bendit, H. B. Blum
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Cold-formed steel portal frames are an increasingly popular structure in the housing and industrial sectors, and are commonly used for garages, sheds, and shelters. Longer span cold-formed steel portal frames are relatively new to the market, and as a result limited design guidance and recommendations exist, including the strength and stiffness of the connections. The apex connection stiffness affects the distribution of internal actions and deflections of a portal frame, and therefore, it is necessary to quantify the apex stiffness for use in design models to accurately determine the frame behavior. An experimental program was carried out on a series …
Shear Resistance Mechanisms On Steel Sheet Shear Walls With Burring Holes And Cross-Rails, Yoshimichi Kawai, Kazunori Fujihashi, Shigeaki Tohnai, Atsushi Sato, Tetsuro Ono
Shear Resistance Mechanisms On Steel Sheet Shear Walls With Burring Holes And Cross-Rails, Yoshimichi Kawai, Kazunori Fujihashi, Shigeaki Tohnai, Atsushi Sato, Tetsuro Ono
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Steel sheet shear walls with burring holes are employed in low and mid-rise buildings in seismically active regions. A configuration with burrs on the inside enables the thinner wall and omitting the machining of equipment holes. The effects of cross-rails which are generally designed to strengthen the bearing capacities of the studs, on 2.73~4.53m height shear walls were clarified by finite element analysis and experiments. Post-buckling behavior depends on tension fields restrained by the cross-rails. The formulas of the allowable strengths and the indexes of ultimate strengths were developed using the mechanisms.
Cold-Formed Steel Framed Shear Wall Database, Deniz Ayhan, Samuel Baer, Zhidong Zhang, Colin A. Rogers, Benjamin W. Schafer
Cold-Formed Steel Framed Shear Wall Database, Deniz Ayhan, Samuel Baer, Zhidong Zhang, Colin A. Rogers, Benjamin W. Schafer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The objective of this paper is to provide an introduction to a recently compiled database of cold-formed steel framed shear wall tests and demonstrate the application of this database for improving the understanding and modeling of cold-formed steel framed shear walls. Over the last 20 years a substantial number of cold-formed steel framed shear walls have been tested under monotonic and cyclic conditions. These tests provide the support for the cold-formed steel framed shear wall provisions provided in the North American Standard for Cold-Formed Steel Structural Framing (AISI S240-15), the North American Standard for Seismic Design of Cold-Formed Steel Structural …
Seismic Behavior Of Cold-Formed Steel Shear Walls During Full-Scale Building Shake Table Tests, X. Wang, Tara C. Hutchinson, G. Hegemier, Colin A. Rogers
Seismic Behavior Of Cold-Formed Steel Shear Walls During Full-Scale Building Shake Table Tests, X. Wang, Tara C. Hutchinson, G. Hegemier, Colin A. Rogers
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Cold-formed steel sheathed shear walls are now emerging as a strategic vertical lateral load resisting component in seismic design. However, although a number of component cyclic test programs have been conducted in recent years to characterize their hysteretic behavior and guide design, system-level test programs to investigate their performance are so far lacking in the literature. To this end, a unique full-scale CFS-framed mid-rise building shake table test program was conducted to contribute to understanding the behavior of mid-rise cold-formed steel (CFS) wall-braced buildings under a multi-hazard scenario. The centerpiece of this project involved earthquake and live fire testing of …