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Journal articles on the topic 'Portal Frame'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Su, Yi Sheng, Qi Liang Li, Yi Bin Yang, and Xiang Hua Chen. "Research on the Mechanical Properties of the Castellated Lightweight Steel Portal Frame." Advanced Materials Research 243-249 (May 2011): 1267–71. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.1267.

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Based on the ANSYS, castellated lightweight steel portal frames are modeled to analysis the stress destruction process and stress distribution rule under horizontal and vertical loads. The comparative analysis with the original solid-webbed portal frame in yield load, ultimate load, the mid-span deflection is pursued. The results show that: there are some differences in failure mode between the castellated lightweight steel portal frame after expansion and the original solid-webbed portal frame. The former bearing capacity and rigidity increase by a large scale than the latter.

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2

Pham, Ngoc Hieu. "The Strength and Behavior of 3D Model Simulation of Single-Story Steel Industrial Building." E3S Web of Conferences 410 (2023): 03019. http://dx.doi.org/10.1051/e3sconf/202341003019.

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The paper investigates the strength and behavior of the portal steel frame under the consideration of working 3D models. In terms of design, the industrial buildings have been separated into a single portal frame to simplify the design process. This point of view is suitable for structures in that the applied loads are equally distributed to all frames. The fact that the crane loads including vertical and horizontal loads only directly affected one or several portal frames. Therefore, a 3D model of a whole single-story steel industrial building is simulated in a finite element software program

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3

Song, Yo-Jin, Seong-Yeob Baek, Hyun-Woo Kim, and Soon-Il Hong. "Behavior of laminated timber portal frames reinforced with fiber-reinforced plastic laminates under cyclic lateral load." BioResources 19, no. 4 (2024): 8739–57. http://dx.doi.org/10.15376/biores.19.4.8739-8757.

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This study aimed to enhance the structural performance of a drift joint with a slotted-in steel plate using laminated timber made from small- to medium-diameter timbers. An analysis was conducted to compare and evaluate the structural performance and seismic behavior of laminated timber portal frames reinforced with fiber-reinforced plastic (FRP) laminates, such as glass fiber cloth (GFC), glass fiber reinforced plastic sheet (GS), and carbon-reinforced plastic sheet (CS), under low amplitude cyclic lateral loads, in comparison to unreinforced portal frames (UR). The reinforced portal frame, s

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4

Salama, Abdallah, Assem Atif Farag, Atef Eraky, Alaa A. El-Sisi, and Rania Samir. "Embodied Carbon Minimization for Single-Story Steel Gable Frames." Buildings 13, no. 3 (2023): 739. http://dx.doi.org/10.3390/buildings13030739.

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As the construction industry, especially steel construction, contributes to a large portion of global greenhouse gas emissions, sustainable structural design has become a necessity to achieve the world vision of reaching net zero emissions by 2050. As steel portal frames are the most used structural system for single-story buildings, the main objective of this study is to determine the optimal steel portal frame configuration using prismatic and/or non-prismatic members to achieve the least embodied carbon. Five different portal frame configurations are considered under the effect of five dist

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5

Shahmohammadi, Amir, James B. P. Lim, and George Charles Clifton. "Portal Frames with a Novel Cold-Formed Tapered Box-Section." Key Engineering Materials 763 (February 2018): 301–9. http://dx.doi.org/10.4028/www.scientific.net/kem.763.301.

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This paper introduces a novel steel portal frame system, in which cold-formed nested tapered box members are used in the design. The bird and dust proofing features of the system make it useful for applications where clean work areas are required, such as food, storage, and manufacturing industries. The new section used in the portal frames comprises two cold-formed channels welded to each other, forming a box-shaped steel member, either tapered or prismatic along its length. Such sections possess high torsional stiffness compared with the conventional I-sections; therefore, lateral bracing em

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6

Stulpinas, Mantas, and Alfonsas Daniūnas. "Optimization of Cold-Formed Thin-Walled Cross-Sections in Portal Frames." Buildings 14, no. 8 (2024): 2565. http://dx.doi.org/10.3390/buildings14082565.

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Portal frames with built-up cold-formed cross-sections hold significant potential; however, there is a notable gap in the analysis of cross-section types and connections. In this study, an optimization algorithm was developed for the closed cross-sections of portal frame members. An optimization algorithm was tested against optimized open cold-formed cross-sections. The results indicated a portal frame volume up to 38% lower where members were assembled of optimal closed cross-sections when compared to frames with optimal open cross-sections. Parametric analysis was carried out, where two type

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7

Faridmehr, Iman, Mahmood Md Tahir, Tom Lahmer, and Mohd Hanim Osman. "Seismic Performance of Steel Frames with Semirigid Connections." Journal of Engineering 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/5284247.

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The nonlinear stiffness matrix method was incorporated to investigate the structural performance of steel portal frames with semirigid connections. A portal frame with unstiffened extended end-plate connection was designed to demonstrate the adequacy of the proposed method. Besides, the seismic performance of steel portal frames with semirigid connections was investigated through time history analysis where kinematic hysteresis model was assigned to semirigid connections to account for energy dissipation and unloading stiffness. Based on the results of the study, it was found that generally se

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8

Jůza, Jan, and Michal Jandera. "Stainless Steel Portal Frame Tests." ce/papers 5, no. 4 (2022): 500–505. http://dx.doi.org/10.1002/cepa.1782.

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9

Wu, Chao, Ya-Nan Li, Lik-Ho Tam, and Li He. "Stability Optimization of Trapezoidal Frame with Rigid Members and Flexible Joints." Advances in Civil Engineering 2020 (June 2, 2020): 1–9. http://dx.doi.org/10.1155/2020/8865888.

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Stability has been an important subject in the design of a portal frame structure. Conventional stability analysis of the portal frame is normally conducted assuming that all the joints are rigid. However, the joints of a portal frame in real applications are not always rigid and semirigid connections often exist. AISC design code requires that the effect of the joint flexibility on the behavior and buckling capacity of the portal frame should be taken into account in the analysis and design procedures. To address this issue, a portal frame with flexible joints and rigid members was theoretica

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10

Sabbagh-Yazdi, Saeed-Reza, and Ainullah Mirzazadah. "Comparing Numerical Results for Seismic Performance of Portal Steel Frames Braced with Steel: HSS Brace, Glulam Timber Brace, and Timber-Steel-BRB." Advances in Civil Engineering 2022 (July 20, 2022): 1–17. http://dx.doi.org/10.1155/2022/2705691.

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This study involves the application of timber-based bracings elements. For this purpose, seismic analyses are performed on special portal steel frames without the brace and diagonally braced with Glued Laminated Timber (glulam) and Timber-Steel Buckling Restrained Brace (TS-BRB), and the results are compared with the same configuration using steel Hollow Structural Sections (HSS) bracing, using OpenSees structural analyzer. First, to verify the accuracy of the modeling, the numerical results are compared with experimental measurements on several types of elements: (a) diagonally braced frame w

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11

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 simu

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12

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

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13

R., H. Mohankar*, Imran Alam Md., Gaurav Gopesh, and Choudhary Shubham. "A STUDY OF PORTAL FRAME USING ANALYTICAL METHODS AND ETABS SOFTWARE." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 3 (2016): 835–40. https://doi.org/10.5281/zenodo.48372.

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Analysis of portal frames involves lot of complications and tedious calculations by conventional methods. To carry out such analysis is a time consuming task. The Moment Distribution Method & Slope Deflection Method for analysis of portal frames can be handy in approximate and quick analysis so as to get the detailed estimates ready. In this work, these two methods have been applied only for vertical loading conditions. This paper mainly deals with the comparative analysis of the results obtained from the analysis of single bay portal frame when analyzed manually and using ETABS Software s

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14

Dheyaa Jaafar Witwit, Jaafar, and Nameer Abed Al-Ameer Alwash. "Experimental and Numerical Investigation for R/C Portal Frames Tested Under Uniform Load." International Journal of Engineering & Technology 7, no. 4.19 (2018): 763. http://dx.doi.org/10.14419/ijet.v7i4.19.27995.

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This paper presents an experimental and numerical investigations for three reinforced self-compacting concrete portal frames tested under uniform load. Control frame was tested without any types of strengthening, while second frame was strengthened with CFRP-sheet with dimensions (75 * 1000) mm at the bottom of beam and with dimensions (75 *700) mm at both joints, (350 mm) extending to the upper surface of the beam and (350 mm) on the outer face of the column. The last frame was cast in two pours tested without strengthening. The experimental tests showed that strengthened frame had stiffness

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15

Peng, Yao, Jun Huang, Shao Bin Dai, and Ting Yuan. "Dynamic Analysis on the Light-Weight Portal Frame with Different Slopes." Applied Mechanics and Materials 405-408 (September 2013): 775–80. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.775.

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Build up a group of light-weight portal frame models with different slopes by SAP2000 software. Conduct dynamic time-history analysis on light-weight portal frame models with different slopes under the EI Centro wave. The results show that: The maximum positive and negative displacement and acceleration of the light-weight portal frame presents a variation rule as the the slope increasing; the influence of the slope on the maximum positive and negative displacement of the frame is relatively small, while it is big on the maximum positive and negative acceleration; the acceleration amplificatio

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16

Chen, Xu, and Hui Min Li. "The Alculation Method of Stable Bearing Capacity of Portal Frame." Applied Mechanics and Materials 351-352 (August 2013): 329–36. http://dx.doi.org/10.4028/www.scientific.net/amm.351-352.329.

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In recent years, the portal frame structure in the actual project has been widely used, but using the finite element method calculation of stable bearing capacity of portal frame is more complex, and very difficult to the design and construction personnel. With the known stability of the cantilever column carrying capacity and the vertex of the lateral displacement under concentrated force, the establishment of the ratio of the portal frame stability capacity and the stability of the cantilever column carrying capacity both in the same concentrated force vertex lateral displacement than the re

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17

Xie, Ming, Fangbo Xu, Zhangdong Wang, et al. "Investigating Fire Collapse Early Warning Systems for Portal Frames." Buildings 15, no. 2 (2025): 296. https://doi.org/10.3390/buildings15020296.

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In recent years, firefighter accidents and people injured by the collapse of steel structures during a fire have occurred frequently, which has attracted the attention of the National Emergency Management Department and the Fire and Rescue Bureau. It is urgent to carry out research on early warning systems for building collapse during a fire. Existing early warning methods mainly use characteristic parameters such as temperature, vibration, and structural deformation. Due to the complexity of an actual fire, it is difficult to accurately predict the critical temperature of fire−induced instabi

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18

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 constructi

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19

KURAMOTO, Hiroshi, Toshikazu YAMAGUCHI, Naoki YAMAMOTO, and Tomoya MATSUI. "SEISMIC PERFORMANCE OF RC FRAME RETROFITTED BY CES PORTAL FRAME." Journal of Structural and Construction Engineering (Transactions of AIJ) 74, no. 636 (2009): 351–58. http://dx.doi.org/10.3130/aijs.74.351.

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20

Abimbola, Yusuf Zainab, Jibrin Mohammed Kaura, and Uwemedimo Nyong Wilson. "Reliability-Based Analysis of Steel Portal Frame Eurocode Design Criteria Subjected to Flexural and Lateral Torsional Instability." Saudi Journal of Civil Engineering 9, no. 02 (2025): 37–48. https://doi.org/10.36348/sjce.2025.v09i02.002.

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Steel portal frames, used in factories, workshops, shopping complexes, and warehouses, provide large clear spans. Eurocode 3, a semi-probabilistic design code based on limit state design and adopted in Nigeria, does not fully address uncertainties in load and resistance variables, affecting frame performance in service. This study evaluates the reliability of three-hinged steel portal frames by analyzing three primary failure modes: flexural instability of frame stanchions (failure mode 1), flexural instability of frame rafters (failure mode 2), and lateral torsional instability of stanchions

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21

To, N. H. T., J. M. Ingham, and S. Sritharan. "Strut-and-tie computer modelling of reinforced concrete bridge portal frames." Bulletin of the New Zealand Society for Earthquake Engineering 35, no. 3 (2002): 165–89. http://dx.doi.org/10.5459/bnzsee.35.3.165-189.

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Nonlinear inelastic force-displacement response envelopes of full-scale reinforced concrete bridge portal frames are predicted in this paper by representing the frame using strut-and-tie models. The nonlinear strut-and-tie analyses, which included the tension stiffening effect, were performed using the computer program Drain-2DX. Strut-and-tie analytical results were found to correlate satisfactorily with the experimental data and to provide superior prediction to that generated using conventional planar frame models.

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22

Kang, Zuo Yi, Zhi Jun Han, Guo Yun Lu, and Zhi Fang Liu. "Computer Simulation of Static Buckling of Double-Layer Portal Frame." Applied Mechanics and Materials 94-96 (September 2011): 2070–73. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.2070.

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The buckling of no-way double-layer portal frame that column is fixed is simulated by using ANSYS. Through analyzing the portal frame subjected to different loads on the roof of the structure that are uniform load, trapezoidal load and triangular load, the critical buckling load of the double-layer portal frame and buckling mode are obtained. The regular between the critical buckling load and the form of the load on the roof can be acquired by the analysis of the results, which can be used as a reference for engineering application.

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23

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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24

Komatsu, Kohei, and Akihisa Kitamori. "Static and Dynamic Properties of Portal Frames Composed of Built-Up Sawn Square Timber." Wood Research Journal 3, no. 1 (2017): 36–43. http://dx.doi.org/10.51850/wrj.2012.3.1.36-43.

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In order to propose an alternative structural element to be used for wooden dwelling houses in rich forest area, we paid attentions to a portal frame structure which is composed of not glulam but built-up members whose raw materials are dried sawn timbers taken from plantation grown forest. For establishing design procedure of the structural element, we made two different types of portal frames and conducted, at first, basic dynamic test to estimate natural frequency and dumping factors by fixing small shake excitation machine on the portal frames, then static push-pull cyclic loading tests we

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25

Huang, Zhi, Li Zhong Jiang, and Wang Bao Zhou. "Force Performance Research for the Interior Joint of New Light-Weight Portal Rigid Frame." Advanced Materials Research 499 (April 2012): 388–92. http://dx.doi.org/10.4028/www.scientific.net/amr.499.388.

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The portal frame is one kind of the common structural styles in the light steel structure. And the portal frame is designed by tapered members, which can be suitable for the variety of the bending moment diagram. This paper introduces the new structure dividing the middle column into two parts on the top of the middle column and analysis the frame with SAP2000. The parameters are investigated such as the hinge joint and firm joint at the bottom of the column and also the parameter of the science of geometry, which influence the load-carrying behavior of the portal frame. The analysis gives tha

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26

Sergeeva, Anastasia V. "Why developers matter: The case of patient portals." Health Informatics Journal 29, no. 1 (2023): 146045822311527. http://dx.doi.org/10.1177/14604582231152780.

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Existing studies on patient data portals are informative with respect to the patient and physician perspectives, yet relatively little attention has been paid to the role of developers. This case study focuses on how developers view the meaning and purpose of patient portals and how their perspective differs from that of physicians. The findings show that developers and physicians have different views on whether and how the portals can help achieve transparency, efficiency, and patient empowerment. This misalignment emerges because each group makes sense of the portal through a different frame

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27

Sari, Mutia Intan, Abdullah Abdullah, and Mochammad Afifuddin. "PERILAKU LATERAL SIKLIK PORTAL BETON BERTULANG BERISI DINDING BATA MERAH." Jurnal Teknik Sipil 1, no. 4 (2018): 845–56. http://dx.doi.org/10.24815/jts.v1i4.10044.

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Abstract: Generally, brick masonry is used as infill wall material for houses and buildings. The Infill wall is installed once the structure is constructed, and assumed as the dead load for the structure. In fact, infill wall may contribute significant stiffness to the structure. As a consequent, the structure may develop such higher base shear forces due to the large stiffness of the structure. The purpose of this research is to evaluate the behavior of the reinforced concrete frame specimen with red brick infill wall and the specimen without using any infill wall. The size of the frame speci

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28

Jia, Wen Wen, and Deng Feng Wang. "Internal Force Evaluation of Non-Uniform Beam in Portal Frame." Applied Mechanics and Materials 423-426 (September 2013): 1454–58. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1454.

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To simplify the internal force evaluation of portal frame being composed of non-uniform members, the force method was used to solve internal force of every key section of the non-uniform beam in portal frame with single-span. Gauss numerical integration method was used to simplify the complex integration when the deformation energy was calculated. Under the precondition of satisfied accuracy, the direct expressions of bending momentshear force and axial force of every key section of beam were obtained. The research work can be used as reference for the evaluation and design of portal frame mem

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29

Liu, Feng, and Xiao Yan Wang. "Overall Reliability Assessment of Portal Frame Structure with Roof Beam Outward Offset." Applied Mechanics and Materials 501-504 (January 2014): 628–33. http://dx.doi.org/10.4028/www.scientific.net/amm.501-504.628.

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This article deals with the condition that the roof beams of portal frame are outward offset beyond the standard limit, determines the most unfavorable position of the portal frame structure under the load and establishes the criterion standard of structural failure based on the space overall finite element analysis. It adopts Monte-Carlo method in reliability analysis methods to realize the overall reliability analysis of the portal frame structure with the roof beam outward offset. Analysis shows that the actual structure is at safe state under the design load and the reliability conforms to

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30

Barus, Anggi, Fadrizal Lubis, and Widya Apriani. "Uji Eksperimental Respon Struktur 3D Modelling Struktur Portal Open Frame dan Struktur Portal Bresing Terhadap Beban Gempa." Journal of Infrastructure and Civil Engineering 1, no. 01 (2022): 1–12. http://dx.doi.org/10.35583/jice.v1i01.2.

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Salah satu kendala dalam pengujian laboratorium adalah ketersediaan kapasitas pengujian. Sehingga dikembangkan metode similitude yang bertujuan untuk mereplikasi keaadaan prototipe dengan cara menskalakan variabel agar dapat dilakukan pengujian di laboratorium. Tujuan penelitian adalah untuk mengetahui selisih hasil uji numerik dan uji eksperimental respon struktur portal open frame dan struktur portal bresing terhadap parameter perpindahan dan drift ratio struktur portal baja pada bangunan gempa. Metode yang digunakan pada penelitian ini adalah metode uji eksperimental. Dari hasil analisis se

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31

Blight, G. E., M. G. Alexander, and B. J. Lampacher. "Structural repair of reinforced concrete portal frame." Magazine of Concrete Research 45, no. 163 (1993): 97–101. http://dx.doi.org/10.1680/macr.1993.45.163.97.

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Gottsäter, Erik, and Oskar Larsson Ivanov. "Spatial Temperature Differences in Portal Frame Bridges." Structural Engineering International 30, no. 2 (2019): 254–61. http://dx.doi.org/10.1080/10168664.2019.1632775.

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33

Sharma, B., D. Mitch, K. A. Harries, K. Ghavami, and G. Kharel. "Pushover behaviour of bamboo portal frame structure." International Wood Products Journal 2, no. 1 (2011): 20–28. http://dx.doi.org/10.1179/2042645311y.0000000003.

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34

Dadra, Sarpreet, Jatinder Kumar, Satinderjit Singh, et al. "Investigation on the influence of point loads on the deflection behaviour of G+5 frame structure." IOP Conference Series: Earth and Environmental Science 889, no. 1 (2021): 012017. http://dx.doi.org/10.1088/1755-1315/889/1/012017.

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Abstract Nowadays, multi-storey structure portal frames are most commonly used worldwide. Multistory frames are used in structural systems in all metropolitan cities, future cities, and important businesses. The present study the effect of various point loads varying from 22 to 32 kN in steps of 2 were applied on the center of horizontal beams of the frame structure. The deflection behaviour in form of deflection, reaction, beading moments under point loading were discussed analytically according to stiffness matrix method and the results are validated with the help of simulation using STAAD P

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35

Furjan, Martina Tomiči´c, Nikolina Žajdela Hrustek, and Igor Pihir. "E-Citizens Web Portal - Case of Croatia." Central and Eastern European eDem and eGov Days 331 (July 11, 2018): 17–27. http://dx.doi.org/10.24989/ocg.v331.2.

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Electronic government implies the use of information and communication technology (ICT) for improving the way public services are provided to all citizens. In order to create an interface, through which citizens can use these services, web portals are developed. The web portal that represents the interface for the use of services intended for citizens in the Republic of Croatia, as key users, was developed in the frame of e-citizens project, initiated by the Croatian government in year 2013. Since its inception, the portal has been continuously upgraded and complemented by new electronic servi

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36

Ozola, Lilita, and Janis Fabriciuss. "Numerical and Experimental Analysis of Timber Portal Frame with Semi-Rigid Knee Joints." IOP Conference Series: Materials Science and Engineering 1203, no. 3 (2021): 032008. http://dx.doi.org/10.1088/1757-899x/1203/3/032008.

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Abstract The problems related to development of rotational deformations of a knee joints and crack propagation in rafter elements of timber portal frames were discussed in this article. The rotational displacement, which develops between the rafter and column members due to the bending deformations of the bolts in the knee joint with a simultaneous embedment into the wood, increases the global deformations of the portal frame. Additionally, to axial force and bending moment the rafter elements are heavily loaded with shear force at the sections near knee joint especially. All effects together

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37

Li, Qi Cai, Zhen Shan Wang, Ming Zhou Su, Xue Chao Shao, and Lin Shen. "Experiment on the Hysteretic Behaviors of Light-Weight Steel Portal Frame with Tapered Members." Advanced Materials Research 368-373 (October 2011): 206–10. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.206.

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In order to study the seismic behavior of steel portal frame structures, Cyclic loading test on a 1:3-scaled model of single-story single-bay steel portal frame with tapered members has been carried out. Based on test results, hysteretic curve, skeleton curve, stiffness degradation and transverse displacement of the structure are obtained. Meanwhile, the seismic performances of the structure are analyzed from aspects of ductility, energy consumption, stiffness degradation, bearing capacity, etc. It is concluded that ductility and energy consumption capacity of this structure are poor; because

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Zhang, Xiao Wei, Zhong Ming Xiong, and Ni Na Su. "The Analysis and Application Research on the Space Work of Portal Frame." Applied Mechanics and Materials 166-169 (May 2012): 501–4. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.501.

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In this paper, the application of finite element software with the actual structure of the field static load test for the engineering background, describes the space effect of portal frame under vertical load. Established a gymnasium mode of portal frame through the finite element software, quantitative analysis the space effect under the vertical load, and studied the spatial interaction of longitudinal anti-lateral component to the overall structure, and compared with the results of the field static load test. The calculation results show that, the reduction of spatial effect to internal for

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39

Apriani, Widya, Anggi Barus, and Fadrizal Lubis. "Uji Eksperimental Respon Struktur 3D Modelling Struktur Portal Open Frame dan Struktur Portal Bresing terhadap Beban Gempa." Journal of Infrastructure and Civil Engineering 1, no. 1 (2021): 1–12. http://dx.doi.org/10.35583/jice.v1i1.1.

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One of the obstacles in laboratory testing is the availability of testing capacity. So that the similitude method was developed which aims to replicate the state of the prototype by scaling the variables so that they can be tested in the laboratory. The purpose of this study was to determine the difference between the results of numerical tests and experimental tests on the response of the open frame portal structure and the braced portal structure to the perpindahan parameters and the driftt ratio of the steel portal structure in earthquake buildings. The method used in this research is the e

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Mahendran, Mahen, and Costin Moor. "Three-Dimensional Modeling of Steel Portal Frame Buildings." Journal of Structural Engineering 125, no. 8 (1999): 870–78. http://dx.doi.org/10.1061/(asce)0733-9445(1999)125:8(870).

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Savory, E., N. Toy, S. Dalley, and J. Trussler. "Wind loading on a portal frame agricultural building." Journal of Wind Engineering and Industrial Aerodynamics 38, no. 2-3 (1991): 335–45. http://dx.doi.org/10.1016/0167-6105(91)90052-x.

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Masika, Richard J., and László Dunai. "Behaviour of bolted end-plate portal frame joints." Journal of Constructional Steel Research 32, no. 2 (1995): 207–25. http://dx.doi.org/10.1016/0143-974x(95)93173-2.

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de Paula, Aline Souza, José Manoel Balthazar, and Jorge Luis Palacios Felix. "Some Comments on the Nonlinear Dynamics of a Portal Frame under Base Excitation." Shock and Vibration 20, no. 6 (2013): 1093–101. http://dx.doi.org/10.1155/2013/839756.

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This paper presents a nonlinear dynamic analysis of a flexible portal frame subjected to support excitation, which is provided by an electro-dynamical shaker. The main goal of this study is to investigate the dynamic interactions between a flexible portal frame and a nonlinear electrical support excitation. The numerical analysis shows a complex behavior of the system, which can be observed by phase spaces, Poincaré sections and bifurcation diagrams.

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Jia, Wen Wen, and Deng Feng Wang. "Study of Bracing Force Acting at Mid-Span of Beam of Single-Span Portal Frame." Applied Mechanics and Materials 405-408 (September 2013): 869–72. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.869.

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The brace at the mid-span of beam of portal frame provides lateral constraint and improves its overall stability. By the nonlinear finite element method, the influences of structural parameters on the required bracing force for the beam bearing ultimate load were investigated when only one brace acting on the upper flange of beam at mid-span. The bracing force is correlated to the failure mode and configuration of beam of portal frame. The failure of beam trends to be controlled by the strength and the required bracing force increases when the stiffness of column increases. The required bracin

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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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Komuro, Masato, Norimitsu Kishi, Yusuke Kurihashi, and Wai Fah Chen. "Dynamic Response Analysis for Rigid Steel Portal Frames under Impact Loading." Applied Mechanics and Materials 82 (July 2011): 247–52. http://dx.doi.org/10.4028/www.scientific.net/amm.82.247.

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In order to improve our basic understanding of the impact-resistant behavior of steelstructures, three-dimensional elasto-plastic FE analysis was conducted for steel portal framesunder impact loading. Here, two rigid portal frames of diﬀerent column size were numericallyanalyzed taking the impact velocity of the falling weight as variable. The results obtained fromthis study are as follows: 1) maximum displacement of the frame increases linearly with eachincrement of the input impact energy; and 2) the bending moment distribution of the wholeframe at the time when the maximum response displace

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Tang, He Sheng, Jiao Wang, Yu Su, and Song Tao Xue. "Evidence Theory for Uncertainty Quantification of Portal Frames with Semi-Rigid Connections." Advanced Materials Research 663 (February 2013): 130–36. http://dx.doi.org/10.4028/www.scientific.net/amr.663.130.

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The buckling load or the equivalent buckling length factor of the portal frame structures is greatly influenced by stiffness of bracing elements and semi-rigid connections. In engineering the problem parameters (geometrical, material, strength, and manufacturing) are given or considered with uncertainties. The initial rotation stiffness uncertainties are taken into consideration. A differential evolution-based computational strategy for the representation of epistemic uncertainty in a system with evidence theory is developed. An uncertainty quantification analysis for the buckling load of port

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Liu, Yan, Li Juan Guo, Hui Ling Wang, and Fei Wang. "Research of the Influence of Snow Load Distribution Factor on Mechanical Performance of Portal Frame." Applied Mechanics and Materials 578-579 (July 2014): 846–49. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.846.

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The dissertation studies the force and deformation features of the portal frame structure under the snow load and load combination. The double cross gable portal frame model was established by 3d3s software in the paper, and analyzed under snow loading according to the regulations of China, Europe and the United States respectively. And some suggestions were put forward on the design of light-weight steel structure in China according to the comparison and analysis.

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Ummah, Kuntum Chairum, and Achmad Syarifudin. "Corruption case of Base Transceiver Station (BTS) in Indonesia: Framing analysis study of MediaIndonesia.com and Okezone.com." Digital Theory, Culture & Society 1, no. 1 (2023): 53–59. http://dx.doi.org/10.61126/dtcs.v1i1.9.

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The BTS (Base Transceiver Station) construction corruption case of the Minister of Communications and Information, Johny G. Plate, who is also a cadre of the Nasdem Party, has caused a lot of debate among netizens. Online news portals with different party owners are also said to have an impact on the framing of reality and influencing readers' perspectives in viewing the BTS corruption issue. Therefore, it is necessary to further examine how the online media Mediaindonesia.com and Okezone.com framed the corruption case involving Johny G. Plate as the Secretary General of Nasdem Party and forme

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Xia, Jun Wu, Ling Quan Bu, Zhi Chao Hou, and Xiao Wei Liu. "Research on Additional Internal Force and Deformation of the Portal Frame Construction Caused by Surface Deformation." Advanced Materials Research 163-167 (December 2010): 421–25. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.421.

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This article focuses on the construction of portal frame without crane. The dynamic variational laws of the additional internal force and displacement of the portal frame construction under the elongation, compression, tilt (uneven settlement), positive curvature and negative curvature deformation of ground are calculated by numerical simulation method, using the structural finite element analysis software – ANSYS. We find that the swing column will alter the distribution of the frame construction additional internal force with the surface deformation; and it can effectively restrict additiona

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