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Relevant bibliographies by topics / Portal frame structures

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Journal articles

Academic literature on the topic 'Portal frame structures'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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Journal articles on the topic "Portal frame structures"

1

Liang, De Zhi, and Min Huang. "Study on Vertical Wind-Induced Vibration Response for Portal Frame Structures." Applied Mechanics and Materials 71-78 (July 2011): 3605–9. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3605.

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In recent years, as the portal frame’s height toward higher and the span toward wider, the influence of wind vibration becomes more and more prominent among the portal frame structure. In the design of the portal frame, there are many different opinions on whether considering the impact of the vertical wind vibration to the portal frame. This paper taking a true engineering as an example, using finite element software to establish the solid model of the portal frame structure, selecting the junction of purlin and roof as a node of imposing vertical fluctuating wind load, we made numerical simulation analysis of vertical wind vibration. The simulation results will be compared with data of the internal forces and deformation under the average wind pressure. The results showed that: vertical wind vibration has a prominent effect to the portal frame and should be considered in the design.

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2

BASAGA, H. B., M. E. KARTAL, and A. BAYRAKTAR. "RELIABILITY ANALYSIS OF STEEL BRACED REINFORCED CONCRETE FRAMES WITH SEMI-RIGID CONNECTIONS." International Journal of Structural Stability and Dynamics 12, no. 05 (2012): 1250037. http://dx.doi.org/10.1142/s021945541250037x.

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This paper presents the reliability analysis of the frame structures with semi-rigid connections. For this purpose, the SEMIFEM finite element program that is capable of dealing with the semi-rigid connections is coded in FORTRAN. Then, this program is connected to the reliability algorithm. The direct coupling method, which is a combination of the reliability method and finite element method, is utilized to determine the reliability indexes and probabilities of failure for the structure. The first order reliability method (FORM) is the one favored in the present reliability analysis. Two sets of steel framed structures are analyzed; each of four and eight stories, consisting of a portal frame and three types of concentrically braced frames. Concrete compression strength limit state in reinforced concrete (RC) columns, steel strength limit state in steel braces and inter-story drift limit state are considered in reliability evaluation. According to the limit states, X braced frames are determined as the safest structures, while the portal frames are regarded as the most unsafe structures. As the connection percentage increases, the safety of the structure increases in terms of inter-story drift and steel strength limit states, but decreases for concrete compression strength limit states.

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3

Noguchi, Masahiro, Shinjiro Takino, and Kohei Komatsu. "Development of wooden portal frame structures with improved columns." Journal of Wood Science 52, no. 1 (2006): 51–57. http://dx.doi.org/10.1007/s10086-005-0714-y.

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4

Ni, Chun, Mohammad Mohammad, Abdullah Al Mamun, and G. Doudak. "Performance Evaluation of Portal Frame System in Low-Rise Light-Frame Wood Structures." Journal of Structural Engineering 140, no. 3 (2014): 04013078. http://dx.doi.org/10.1061/(asce)st.1943-541x.0000878.

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5

Far, Harry, and Claire Far. "Timber Portal Frames vs Timber Truss-Based Systems for Residential Buildings." Advances in Civil Engineering 2019 (July 28, 2019): 1–7. http://dx.doi.org/10.1155/2019/9047679.

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A large number of structures have been built during or after the construction of a house or residential-zoned building, which are not built at the same time and/or integrally with the structural integrity of the residential dwelling. These include carports, pergolas, sheds, and barns. The typical method of constructing these structures is a general timber truss and column system. The aim of this study is to look at the feasibility and economic incentive that may be gained from using a timber portal frame system, similar to the steel or timber portal frames used for larger industrial constructions, over the traditional timber truss and column arrangement. In this study, designs for three cases of timber truss and timber portals were carried out using industry appropriate methods and standards. Using the design information and data gathered through talks with industry professionals, both methods of construction were compared on cost and overall time duration. From the comparison of the truss and portal designs, the use of timber portal frames over timber truss systems proved to have advantage in relation to overall cost and man power involved. This could certainly affect the current attitude towards the construction of small residential buildings in the future.

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6

Belleri, Andrea, Alessandra Marini, Paolo Riva, and Roberto Nascimbene. "Dissipating and re-centring devices for portal-frame precast structures." Engineering Structures 150 (November 2017): 736–45. http://dx.doi.org/10.1016/j.engstruct.2017.07.072.

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7

Chen, Ming, and Xiao Fei Ma. "In-Plane Stability Bearing Capacity of Variable Section Column." Applied Mechanics and Materials 578-579 (July 2014): 717–22. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.717.

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Variable section portal frame is increasingly concerned and is widely used for its economy, beauty and short construction period, compared with other traditional structures. In-plane stability response of variable section columns of portal frames is the focus of this paper. Results are presented for parameters influence of variable section column on the in-plane stability bearing capacity with finite element analysis. References are proposed for practical application compared with computational formulas of Technical Specification for Steel Structure of Light-Weight Buildings with Gabled Frames.

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8

Chen, Shui Fu, and Ying Gong. "Pushover Analysis of Light-Weight Steel Portal Frame Structures under Strong Wind Loading." Advanced Materials Research 446-449 (January 2012): 386–89. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.386.

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An elastic-plastic pushover analysis has been performed to a typical two-bay light-weight steel portal frame for investigation of the nonlinear load-deformation behaviors of the structure under strong wind loading. The finite-element model is first established for the portal frame. Then the monotonically increased lateral load and uniformly distributed vertical load representing wind loading are applied to the frame while the structure deforms from full elastic range to elastic-plastic stage. The loading process continues until the top displacement reaches its target value or enough number of plastic hinges occurs so that the structure changes to an unstable mechanism. The analysis results indicate that different lateral loading modes (top point loading or uniformly distributed loading) lead to almost the same deformation and failure behavior of the frame, and the final load-carrying capacity of the frame considerably decreases with increase of the vertical loading.

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9

Ghabussi, Aria, Jafar Asgari Marnani, and Mohammad Sadegh Rohanimanesh. "Improving seismic performance of portal frame structures with steel curved dampers." Structures 24 (April 2020): 27–40. http://dx.doi.org/10.1016/j.istruc.2019.12.025.

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10

Obe, Tayo, Chinwuba Arum, and Oladimeji Olalusi. "Optimization of single-span single-storey portal frame buildings." Facta universitatis - series: Architecture and Civil Engineering 17, no. 4 (2019): 359–76. http://dx.doi.org/10.2298/fuace190610021o.

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Many structural designs are done without comprehensive consideration for achieving optimum design. To achieve minimum mass optimization, a mathematical model was developed in this study and subjected to British Standard (BS 5950) code requirements for structural integrity as constraints. Visual basic application (VBA) codes were written into a spreadsheet environment to implement the model. The developed optimization model was validated using different sample shed structures of same volume (729m?) but of different height to span to length (H: b: L) ratios which were obtained using the Ratio method and the Step size method. The best parameter ratio of height to length to breadth obtained was 1:1:1 which is similar to what was obtained by other authors. Parametric design case study analysis was also performed for three different design situations with a given span b, heights H and h and frame spacing S. The minimum masses of steel for a fixed plan area of the buildings were obtained for each of the three scenarios. It is recommended that design engineers should consider varying major frame parameters such as frame spacing and heights at pre-design stages in order to obtain optimal values of parameters which will ensure economical structures.

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