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Journal articles on the topic 'Diagrid'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 March 2023

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1

Minu, Ann Peter, A. S. Sajith, and Nagarajan Praveen. "A Review of Diagrid Systems for Lateral Load Resistance of Structures." Applied Mechanics and Materials 857 (November 2016): 19–23. http://dx.doi.org/10.4028/www.scientific.net/amm.857.19.

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Diagrid structures are exterior structures, consisting of diagonal struts and ties in the periphery and an interior core. These diagonal members carry gravity load and lateral load by the axial action of the member. Due to the structural efficiency of diagrids, interior and corner columns can be avoided thereby providing flexibility in the floor plan. The diagrid structures are emerging as popular structural system in many developed countries of the world, but in India it is yet to gain importance. This paper presents a review on the literature of diagrid structures. Studies conducted on diagrid structures to determine the diagrid angle for the efficient design is presented. The stiffness-based methodology adopted for determining preliminary member sizes of steel diagrid structures and the effect of shear lag on high rise buildings with diagrid and its comparison with framed tube structures are discussed. The distribution of the load resisted by interior frame and diagrids is outlined. The parameters used in the comparison of analysis are time period, top storey displacement, inter-storey drift and storey shear. This paper also reviews the studies on the comparison of diagrids with regular configuration and diagrids with varying angles. The analysis and comparison of diagrid and conventional structural system on the basis of consumption of steel, structural weight and displacement are also highlighted. This review covers diagrids with all the materials in practice namely concrete, steel and concrete-filled steel tube(CFST).

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2

Desai, Vishal, V. M. Bogar, and Mohammad Zunnoorain. "Seismic Comparison of Diagrid and X-Bracing System in Highrise Building." International Journal for Research in Applied Science and Engineering Technology 10, no. 9 (September 30, 2022): 1507–13. http://dx.doi.org/10.22214/ijraset.2022.46809.

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Abstract: The diagrid (diagonal grid) structural design is one of the fascinating structural design ideas for sturdy tall constructions. Diagrid, a new design style for tall, intricate structures, has emerged due to its aesthetic appeal and structural effectiveness. Diagrid's façade structural system resists both lateral loads and gravity loads by utilizing a small grid of diagonal components. As it uses less structural steel than a conventional steel frame, making the structure more environmentally friendly. This study makes use of ETABS to assess tall structures built of Diagrid steel and tall structures using different bracing techniques. Being thin makes high-rise structures extremely vulnerable to lateral forces, thus they must be constructed to provide safety and comfort in accordancewith user needs. In order to combat the lateral stresses that are most common in high-rise structures, diagrid and X-bracing systems have been created. In this study, the seismic behaviors of diagrid and X-braced systems are compared.

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3

Zunnoorain, Mohammad, and Ganesh Jaiswal. "Diagrid and Bracing System Comparative Structural Performance and Sustainability Concept." International Journal for Research in Applied Science and Engineering Technology 10, no. 7 (July 31, 2022): 4305–12. http://dx.doi.org/10.22214/ijraset.2022.45980.

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Abstract: One of the intriguing structural design concepts for robust tall structures is the diagrid (diagonal grid) structural design. Due to its attractiveness and structural efficiency, Diagrid, a new design trend for tall, complicated structures, has arisen. Using a compact grid of diagonal members, Diagrid's façade structural system resists both lateral loads and gravity loads. As opposed to a traditional steel frame, it employs less structural steel, resulting in a more environmentally friendly building. This research uses ETABS to examine the structural performance of tall structures made of Diagrid steel and tall buildings with various bracing systems. Therefore, the purpose of this study is to contrast the lateral displacement brought on by wind and earthquake load between high-rise structures (buildings) using the diagrid system and those using other bracing systems. The use of diagrid and other bracing systems in relation to the natural frequency of high-rise structures (buildings) is also investigated in this study. A 40-story building model has been taken for analysis in E-Tabs 2016, with a plan area of 1296m2 (36- meters x 36-meters) and 144 meters tall.

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4

Moon, Kyoung Sun. "Diagrid Structures for Complex-Shaped Tall Buildings." Advanced Materials Research 450-451 (January 2012): 1489–92. http://dx.doi.org/10.4028/www.scientific.net/amr.450-451.1489.

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Diagrid structures are widely used for today’s tall buildings due to their distinguished architectural aesthetics in any existing urban context and structural efficiency in carrying lateral loads. With prevalent emergence of complex-shaped buildings throughout the world, this paper investigates structural efficiency of diagrid structures employed for complex-shaped tall buildings, such as twisted, tilted and freeform towers. For each complex form category, tall buildings are designed with diagrid systems, and their structural efficiency is studied in conjunction with building forms. In order to investigate the impacts of various important geometric configurations of complex-shaped tall buildings, parametric models are generated using appropriate computer programs, and the models are exported to structural engineering software for design and analyses. Based on the study results, structural efficiency of diagrids for tall buildings of each complex form category is estimated.

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5

Scaramozzino, Domenico, Giuseppe Lacidogna, and Alberto Carpinteri. "New Trends Towards Enhanced Structural Efficiency and Aesthetic Potential in Tall Buildings: The Case of Diagrids." Applied Sciences 10, no. 11 (June 5, 2020): 3917. http://dx.doi.org/10.3390/app10113917.

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Due to the increasing number of people and activities within the cities, tall buildings are exploited worldwide to address the need for new living and commercial spaces, while limiting the amount of used land. In recent decades, the design of tall buildings has undergone a remarkable improvement, thanks to the development of new computational tools and technological solutions. This has led to the realization of innovative structural systems, like diagrids, which allow the achievement of high structural performances and remarkable architectural effects. In this paper, a thorough and updated review of diagrid structural systems is provided. Simplified methodologies for the preliminary design and structural analysis are reported. Special attention is also paid to the optimization of the structural response based on the geometrical pattern. A discussion of the effect of local deformability, stability and shear-lag phenomenon is carried out. Results from nonlinear and dynamic analyses for the seismic assessment of diagrid systems are reported, and attention is also paid to the recent research on diagrid nodes. Eventually, an overview of twisted, tapered, tilted and freeform diagrid towers is carried out, with a final mention of hexagrids, another recent evolution of tubular systems for tall buildings.

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6

Naik, SwaralR, MalharP Naik, and S. N. Desai. "Analytical Evaluation of Most Effective Diagrid Angle Considering Severe Earthquake Time Histories." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (December 19, 2022): 759–63. http://dx.doi.org/10.38208/acp.v1.578.

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High rise structures and their structural mechanisms are evolving rapidly due to an exponential growth of urbanization. Few conventional structural systems have been efficient in withstanding heavy wind gusts as well as earthquakes. A newcomer in the list of sustainable high-rise structures is the Diagrid. A diagonal grid or Diagrid structure is a framework of diagonally intersecting inclined column sections. Due to higher resilience and robustness, the trend is rapidly shifting towards Diagrid. Diagrid structures are adopted as they take into account a number of factors like structural stability, aesthetic appearance and economic considerations. The triangulated formation of columns and ring beams transform all the external forces into direct axial forces. The effectiveness of the diagrid mechanism depends on the angle of the diagrid. In this project, analysis of symmetric diagrid building, with various diagrid angles has been carried out using software SAP2000. The analysis results for top storey displacement, base shear and modal frequency are considered for evaluating the optimal range of diagrid angle considering earthquake time histories.

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7

Shylaja, N., R. M. Ashwini, and E. R. Babu. "Seismic Analysis of Diagrid Structure on Sloping Ground." IOP Conference Series: Materials Science and Engineering 1255, no. 1 (September 1, 2022): 012008. http://dx.doi.org/10.1088/1757-899x/1255/1/012008.

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Abstract Lateral efficiency of a building is very important in high-rise buildings, when it comes to building them on sloping ground it is highly required to design the structure for wind load and earthquake loads. The diagrid structure thus provides very high lateral stability and reduces the lateral displacement of the building. In recent years the diagrid structure has attracted many researchers and scholars due to this greater structural efficiency. Diagrid structural system has evolved to be structurally the most efficient, aesthetically pleasant and highly economical. The present paper involves the study of diagrid structure on sloping ground and comparing it with the conventional system and finding the optimum angle of diagrid on different slopes of ground. A 12- storey building is used for comparing diagrid structure and conventional structure on sloping ground, a 48 storey building is used to find out the optimum angle of diagrid on sloping ground, ETABS software Is used for modelling and analysis, response spectrum method is used for analysis, the results show that diagrid structure is more efficient than conventional structure on sloping ground, and the optimum angle of diagrid lies between 60-75° on sloping ground.

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8

Saputra, Draga Hasan saputra, and Pio Ranap Tua Naibaho. "A Studi Sistem Struktur Baja Diagrid Pada Bangunan Tinggi." Jurnal Infrastruktur 5, no. 2 (December 5, 2019): 93–98. http://dx.doi.org/10.35814/infrastruktur.v5i2.758.

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Diagrid dikenal sebagai struktur grid yang didiagonalisasi telah muncul sebagai salah satu pendekatan paling inovatif dan mudah beradaptasi dan berevolusi ke penggunaannya yang tidak eksklusif untuk gedung tinggi. Keuntungan dari sistem ini bahkan lebih besar daripada kerugiannya yang secara khusus kompleksitas dalam desain, konstruksi sambungan join dan biaya tinggi dari struktur. Oleh karena itu studi yang berkaitan dengan struktur semacam ini yang memiliki ruang lingkup besar dimasa depan sangat diinginkan. Analisis yang digunakan dinamik linier dari berbagai struktur telah dilakukan dalam ETABS menggunakan metoda respon spektrum. Hasil analisis dalam hal top storey displacement, inter-storey drift dan time period telah dibandingkan untuk memahami sistem struktur diagrid. Pertama perbandingan antara diagrid dan sistem konvensional telah dianalisis untuk menggambarkan keunggulan sistem diagrid. Perbandingan ini menggambarkan pentingnya diagrid dalam pengurangan berbagai parameter beban lateral seperti top storey displacement, inter-storey drift dan time period. Nilai top storey displacement untuk sistem konvensional arah x dan y adalah 34,2% dan 30,9% lebih tinggi dibandingkan sistem diagrid. Kedua perbandingan sistem diagrid dengan dan tanpa shear wall core. Dari hasil efek shear wall core dalam sistem diagrid, diamati bahwa shear wall core meningkatkan kinerja struktur diagrid. Lateral top storey displacement berkurang dari 48,2 mm menjadi 43,5 mm sehingga berkurang 10%.

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9

Cascone, Francesco, Diana Faiella, Valentina Tomei, and Elena Mele. "A Structural Grammar Approach for the Generative Design of Diagrid-Like Structures." Buildings 11, no. 3 (March 1, 2021): 90. http://dx.doi.org/10.3390/buildings11030090.

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An innovative generative design strategy, based on shape grammar, is proposed for the minimum-weight design of diagrid tall buildings. By considering the building as a three-dimensional vertical cantilever beam with a tubular section under horizontal load, it is evident that bending and shear stiffness demands vary along the width and elevation of the building. Further, while the structural design of tall buildings is usually governed by stiffness, the predominant design criterion for diagrids could be the local strength demand, especially for low slenderness values, thanks to the inherent rigidity of the triangular pattern. Starting from these considerations, in this paper, a generative design strategy is proposed, able to find diagrid patterns that accommodate the differentiated stiffness demand along width/elevation and satisfy the predominant design criterion, stiffness or strength. The design strategy is applied to tall building models characterised by different slenderness values. The comparison to diagrid patterns analysed in previous literature works in terms of structural weight and performance parameters highlights the effectiveness of the design strategy and the efficiency of the generated patterns.

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10

Babhulkar, Saurabh, Kuldeep R. Dabhekar, S. S. Sanghai, and Isha P. khedikar. "Comparative Study of Seismic Behaviour of Diagrid Structure with Conventional Structure." IOP Conference Series: Materials Science and Engineering 1197, no. 1 (November 1, 2021): 012049. http://dx.doi.org/10.1088/1757-899x/1197/1/012049.

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Abstract Diagrid framework has arisen as an inventive underlying framework with a stylish view in the plan of tall structures. In this investigation, seismic execution of 15-story diagrid structures with fluctuating points are assessed utilizing reaction range examination Further more in request to assess the impact of diagrid center on conduct of designs. Actually diagrid essential system is gotten in tall constructions on account of its basic usefulness and versatility in plan organizing. Stood out from solidly scattered vertical areas in illustrated chamber, diagrid structure includes skewed sections outwardly surface of building. Because of slanted sections horizontal burdens are opposed by hub activity of the askew contrasted with twisting of vertical segments in customary construction. Plan and development of counterfeit foundation on the lines of biomicking standards require the improvement of exceptionally advance primary framework which has the characteristics of style articulation, underlying effectiveness and above all mathematical adaptability. Diagrid the most recent change of cylindrical constructions, have an ideal mix of the above characteristics. In this paper, the peculiarities of the diagrid its essential lead under stacking and the arrangement and advancement of diagrid centers are portray A context oriented examination of some new diagrid tall constructions, to be explicit the Swiss Re in London, the hearst tower in New York, and the west Guangzhou Tower in china is moreover presented.

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11

Anjana, Elsa Alexander, R. Renjith, and Binu M. Issac. "Analytical Study on Effect of Geometry of Tall Buildings on Diagrid Structural Systems Subjected to Lateral Loads." Applied Mechanics and Materials 857 (November 2016): 47–52. http://dx.doi.org/10.4028/www.scientific.net/amm.857.47.

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Structural design of high rise buildings is governed by lateral loads due to wind or earthquake. As the height of building increases, the lateral load resisting system becomes more important than the structural system that resists the gravitational loads. Recently, diagrid structural system are widely used for tall buildings due to its structural efficiency and flexibility in architectural planning. Diagrid structural system is made around the perimeter of building in the form of a triangulated truss system by intersecting the diagonal and horizontal members. Diagonal members in diagrid structural systems can carry gravity loads as well as lateral loads. Lateral loads are resisted by axial action of the diagonals compared to bending of vertical columns in framed tube structure. The structural efficiency of diagrid system also helps in avoiding interior and corner columns, thereby allowing significant flexibility with the floor plan. In this paper, effect of lateral loads on steel diagrid buildings are studied. Square and rectangular buildings of same plan area with diagrid structural system is considered for the study. Diagrid modules extending upto 2,4,6,8 and 12 storeys are evaluated. Static analysis for the gravity loads, wind and earthquake and response spectrum analysis are carried out for these different combinations of plan shape and diagrid modules and performance of all these diagrid models i.e., storey displacement, storey drift and modal time period are evaluated and compared in this study.

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12

Shah, Manthan I., Vishal B. Patel, and Snehal V. Mevada. "Comparative Study of Conventional Frame and Diagonally Intersecting Metal with Geometric Irregularities." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (April 30, 2022): 578–80. http://dx.doi.org/10.22214/ijraset.2022.41283.

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Abstract: Compare the performance of Diagrid structural system and chevron braced frame by using Staad pro software. To analyses the stability of structure in seismic zone according to comparison between bending moment diagram, shear force variation. The STAAD-PRO software is used to develop 3D rendering model and to carry out the analysis. The lateral load such as earthquake to be applied on the buildings are based on the Indian standards. The study is performed for seismic zone –IV (Delhi) as per IS 1893:2002 (Earthquake load). Keyword: Diagrid Structure, Conventional Frame, Tall Buildings, Lateral loads, Staad Pro

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13

Rahimian, Ahmad. "Stability of Diagrid Structures." International Journal of High-Rise Buildings 5, no. 4 (December 1, 2016): 263–70. http://dx.doi.org/10.21022/ijhrb.2016.5.4.263.

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14

Abd. Samat, Roslida, Fong Teng Chua, Nur Akmal Hayati Mohd Mustakim, Sariffuddin Saad, and Suhaimi Abu Bakar. "Lateral Displacement and Shear Lag Effect of Combination of Diagrid-Frame." E3S Web of Conferences 34 (2018): 01009. http://dx.doi.org/10.1051/e3sconf/20183401009.

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Diagrid system, which is the portmanteau of diagonal grid member, is an exterior lateral load resisting system for tall building that has gained a wide acceptance in the design of tall buildings. There is abundance of researches that studied the efficiency of diagrid systems, which are constructed from the ground level to the top of the buildings in resisting the lateral load. Nevertheless, no study had been performed on the effectiveness of the diagrid that is constructed above other tall building systems despite the existence of a few buildings in the world that employ such system. The objective of this research is to understand the behavior of the lateral displacement and shear lag effect due to wind load when the diagrid structure is constructed above a frame. Models of 60-story buildings with a footprint of 36m x 36m were analyzed by using Staad.Pro software. The level where the diagrid members started was altered. The lateral displacement was reduced to 60.6 percent and 41 percent of the lateral displacement of a building with full frame system when the combination of frame-diagrid that had the diagrid started at Level 1 and Level 45, respectively were employed. Furthermore, the shear lag ratio was reduced from 1.7 to 1.3 when the level where the diagrid started was increased from Level 1 to Level 45.

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S, Poorna Chandra. "Comparison on Seismic Behaviour of RC Diagrid Structure with CFST Diagrid Structure." International Journal for Research in Applied Science and Engineering Technology 7, no. 6 (June 30, 2019): 1078–83. http://dx.doi.org/10.22214/ijraset.2019.6186.

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16

Núñez Herrera, José Luis. "Análisis comparativo de edificios con sistemas estructurales de concreto armado: “Duales versus Diagrid”." REVISTA VERITAS ET SCIENTIA - UPT 7, no. 2 (January 3, 2019): 970–79. http://dx.doi.org/10.47796/ves.v7i2.74.

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Con la finalidad de investigar el comportamiento sísmico, de las estructuras Diagrid de concreto, se plantea 03 modelos de edificios de 06 niveles con una planta típica de 30 m x 37.5m ubicado en una zona de alta sismicidad en el Perú. Se ha realizado un análisis comparativo entre dos sistemas estructurales por un lado el Sistema Convencional u ortogonal y por el otro el sistema de Diagrid de Concreto armado, para este último se analizarán dos tipologías o modelos que denominaremos tipo A y tipo B, cuya modulación será cada 02 y 04 pisos respectivamente. Los tres modelos tendrán las mismas características; área techada, dimensiones en planta y elevación, materiales de construcción y solicitaciones de cargas, de ubicación geográfica, tipo de suelo, uso e importancia, Coeficiente Básico de Reducción de la Fuerza Sísmica (Ro), estas características generan los factores que están normados por la E.030.2016 que define el procedimiento para el análisis sísmico. En esta Investigación se ha demostrado que de los Edificios estudiado (03 modelos) los que son con el Sistema estructural Diagrid de concreto armado (Diagrid tipo A y Diagrid tipo B) son más eficientes que el Sistema convencional (pórticos con muros estructurales). El peso de la estructura redunda en menores costos y menores demandas de estructuras de cimentación de los tres modelos. El más liviano es el Sistema Diagrid tipo B. Ambos sistemas Diagrid son el 30% más livianos que el sistema convencional. La cantidad de acero necesaria para las diagonales de los sistemas Diagrid tipo A es 29% menos que el acero longitudinal necesarios para los muros estructurales del sistema convencional, mientras que Diagrid tipo B, requiere 40% menos que el sistema convencional.

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17

Teng, Jun, Wei Liang Guo, Bai Sheng Rong, and Zuo Hua Li. "Seismic Performance Research of High-Rise Diagrid Tube-Core Tube Structures." Advanced Materials Research 163-167 (December 2010): 2005–12. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.2005.

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Diagrid tube structure system has advantages on constructing high-rise buildings due to its great stiffness, however, its seismic performance analysis are limited. 10 CFST diagrid tube-concrete core tube structures are analyzed by Mode-Pushover method using Perform-3D program. The plasticity developing process and components yield order are summarized. The force distribution between diagrid and core tubes is researched and the force redistribution reason is explained from the change of diagrid tube forces. The structure lateral stiffness degradation is discussed based on the developing process of diagrid and core tubes lateral stiffness. The influences of main lateral stiffness related factors on the structure plasticity developing process, force distribution and stiffness change of the tubes are discussed at last.

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18

Kumar, Abjiheet, Rajeev Singh Parihar, Abhay Kumar Jha, Barun Kumar, and Rajesh Misra. "Structural Modelling of a (G+19) Building Considering Conventional and Diagrid Structure by Using ETABS and STAAD Pro." International Journal for Research in Applied Science and Engineering Technology 10, no. 10 (October 31, 2022): 1302–6. http://dx.doi.org/10.22214/ijraset.2022.47176.

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Abstract: The structural analysis programme ETABS V19 and STAAD PRO connect edition has employed. The results were compared to both the software used in present study. Results show that the natural time period is 14.68% more as per STAAD compared with ETAB it observed that it is 58.72% approximately decreasing for diagrid structure, the storey drift is 46.58% more as per STAAD PRO compared with ETAB, however it is 35.99% approximately increasing for diagrid structure. The displacement is 3.98% more as per STAAD PRO compared with ETAB however it is 32.09% approximately decreasing for diagrid structure. It is observed that the stiffness of the floor is 89.64% less as per STAAD PRO compared with ETAB for however it is 89.78% decreasing for diagrid structure. Results show that the base shear is 88.56% more as per STAAD PRO compared with ETAB, however it is 67.5% approximately increasing for diagrid structure for G+19 conventional building.

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Kumar N, Sharath. "Study on Dynamic analysis of Diagrid and Outrigger Structures Subjected to Seismic and Wind Load." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 30, 2021): 2813–28. http://dx.doi.org/10.22214/ijraset.2021.36975.

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A Comparative study of G+30 story regular, diagrid, outrigger structure is presented. A square shaped floor plan of 18 m × 18m size was considered. ETABS 2016 was used in modeling and analysis of structural members. All structural members were designed as per IS 456:2000, load combinations such as dead load, live load, earthquake and wind loads were considered for analysis and design of the structure. Later Regular, Diagrid and outrigger structural systems were compared; the key results like Base shear, story displacement and story drift are obtained. It is found that diagrid system is efficient in resisting seismic loads and outrigger system is found efficient in resisting wind loads.

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20

H. S, Yogeesh. "A Seismic Study on Diagrid Structure." International Journal for Research in Applied Science and Engineering Technology 6, no. 6 (June 30, 2018): 120–26. http://dx.doi.org/10.22214/ijraset.2018.6023.

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Kim, Seonwoong. "Seismic performance evaluation of high-rise steel buildings dependent on wind exposures." Advances in Mechanical Engineering 11, no. 3 (March 2019): 168781401983511. http://dx.doi.org/10.1177/1687814019835111.

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The lateral load-resisting system of high-rise buildings in regions of low and moderate seismicity and strong wind such as the typhoon in the Korean peninsula considers the wind load as the governed lateral force so that the practical structural engineer tends to skip the evaluation against the seismic load. This study is to investigate wind-designed steel diagrid buildings located in these regions and check the possibility of the elastic design of them out. To this end, first, the diagrid high-rise buildings were designed to satisfy the wind serviceability criteria specified in KBC 2016. Then, the response spectrum analyses were performed under various slenderness ratio and wind exposures. The analyses demonstrated the good seismic performance of these wind-designed diagrid high-rise buildings because of the significant over-strength induced by the lateral load-resisting system of high-rise buildings. Also, the analysis results showed that the elastic seismic design process of some diagrid high-rise buildings may be accepted based on slenderness ratios in all wind exposures.

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Farhad, Md Farhad Hossain, Md Sohel Rana, and Ahanaf Tahmid. "PARAMETRIC STUDY OF DIAGRID STRUCTURE COMPARED WITH RIGID FRAME STRUCTURE SUBJECTED TO LATERAL LOADING." Malaysian Journal of Civil Engineering 34, no. 3 (November 30, 2022): 37–45. http://dx.doi.org/10.11113/mjce.v34.18733.

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Tall buildings are now preferred due to the scarcity of available land in cities and the rapid development of the urban population. People are now rising upward to avoid ongoing urban sprawl and to protect vital agricultural productivity. As the building's height increases, the lateral resisting system becomes just as important as the gravity supporting system. Diagrid has recently acquired favor for tall structures among the numerous lateral stability of tall buildings due to its structural efficiency and aesthetic possibilities given by the system's unusual geometric layout. Because of its triangulated construction, the diagonal components of the diagrid system can support both gravity and lateral loads. For this study, two structural models of 24-story buildings are used: one with a rigid frame structure and one with a diagrid structure. ETABS is used for modeling and analysis of buildings. The analytical findings are compared in terms of story drift and story displacement subjected to lateral loading. When compared to rigid framed structures, diagrid systems are far more effective at reducing drift and displacement. Because of the axial action of the diagonal parts, diagonal configurations carry shear. Shear is carried by rigid-framed constructions due to the bending of vertical columns.

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23

Soni, Pranava, and Dr Rajeev Chandak. "Diagrid Based Multistorey Building Design and Durability Forecasting." International Journal for Research in Applied Science and Engineering Technology 10, no. 8 (August 31, 2022): 1280–85. http://dx.doi.org/10.22214/ijraset.2022.46413.

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Abstract: The taller and higher structures results in the effects of lateral loading, lateral loads dominates when the height of building increases, lateral loads such as earthquake, wind causes the building larger displacement, to avoid larger displacement in high rise buildings lateral load resisting systems are deployed. Apart from other structural system, the diagrid and hexagrid system are adopted to improve structural performance of tall buildings. The various types of structural system in tall buildings have become obsolete and the new structural skeletons such as hexagrid and diagrid are being used

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24

Moon, Kyoung Sun. "Diagrid Structures for Complex-Shaped Tall Buildings." Advanced Materials Research 450-451 (January 2012): 1489–92. http://dx.doi.org/10.4028/scientific5/amr.450-451.1489.

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25

Sun Moon, Kyoung. "Diagrid Structures for Complex-Shaped Tall Buildings." Procedia Engineering 14 (2011): 1343–50. http://dx.doi.org/10.1016/j.proeng.2011.07.169.

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26

Lee, Joonho, Jieun Kong, and Jinkoo Kim. "Seismic Performance Evaluation of Steel Diagrid Buildings." International Journal of Steel Structures 18, no. 3 (April 30, 2018): 1035–47. http://dx.doi.org/10.1007/s13296-018-0044-8.

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27

Kim, Jinkoo, and Young-Ho Lee. "Seismic performance evaluation of diagrid system buildings." Structural Design of Tall and Special Buildings 21, no. 10 (November 18, 2010): 736–49. http://dx.doi.org/10.1002/tal.643.

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28

Jaiswal, Rishav, and Ankit Mahajan. "Comparative analysis of building with shear wall & diagrid structure." IOP Conference Series: Earth and Environmental Science 1110, no. 1 (February 1, 2023): 012033. http://dx.doi.org/10.1088/1755-1315/1110/1/012033.

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Abstract The rapid growth of urban population, the lack of spaces in the cities and the high cost of land have already forced the developers to focus on the high-rise buildings. As the height of the building increases, the lateral load resistant system become more important than gravity load resistant system. That’s why it is important to define lateral load resistant system in high rise buildings. So the lateral load resistant systems such as shear wall and diagrid are introduced since they are better in terms of cost, aesthetic and performance. However, the diagrid structural system has become more popular these days due to its efficiency and aesthetic look provided by the unique geometric configurations of the system. In this study, a comparative analysis has been done on the buildings with different lateral load resisting systems. Five different building model of G+9 story building has been modeled with shear wall and diagrid structure to compare their performance. The design is analysed for seismic zone V and medium soil condition as per IS 1893:2016 using ETABS software. The building is kept the same except for the lateral load resisting system. From the patterns of the results, it was concluded that building models with the combination of shear wall and diagrid module has better performance in term of the maximum story displacement, story stiffness, story drift, base shear, and time period.

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Ahmad Lone, Arbaz, Er Gurpreet singh, and Jagdish Chand. "Comparative Study on Dynamic Analysis of Diagrid Bracings and Shear Wall in Different Locations in Terms of Sustainability using ETABS." IOP Conference Series: Earth and Environmental Science 1110, no. 1 (February 1, 2023): 012054. http://dx.doi.org/10.1088/1755-1315/1110/1/012054.

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Abstract This paper aimed to provide insights about the diagrid and shear wall structural system and, the comparison has been done to find out which system is sustainability, cost-effective, and superior in resisting lateral load for the buildings which is located in earthquake zone V. The plan area and dimensions of the building in consideration are 625 m2, 25m x 25 m respectively and have 30 stories with an overall height of 91 meters. ETABS software is used to model and analyze all of the buildings following IS 1893:2016, the building location is presumed to be in seismic zone V, with an importance factor of 1.5. Fundamental period (T, seconds), story drift, base shear, lateral displacement, and overturning moment of structures are the structural parameters used to determine the response of the building. The dynamic response of the structure is determined using response spectrum analysis. According to the findings, the diagrid structural system is more cost-effective and sustainable. Because the consumption of material is significantly reduced in the diagrid structure.

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U.A, Nawale, and Kakade D.N. "Analysis of Diagrid Structural System by E-Tab." IARJSET 4, no. 6 (June 20, 2017): 193–96. http://dx.doi.org/10.17148/iarjset.2017.4634.

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Fenton, Richard F. "“Diagrid” Roof Design for a Train Depot, London." Structural Engineering International 4, no. 1 (February 1994): 7–8. http://dx.doi.org/10.2749/101686694780602123.

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Asadi, Esmaeel, and Hojjat Adeli. "Diagrid: An innovative, sustainable, and efficient structural system." Structural Design of Tall and Special Buildings 26, no. 8 (May 3, 2017): e1358. http://dx.doi.org/10.1002/tal.1358.

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Moon, Kyoung Sun. "Optimal Grid Geometry of Diagrid Structures for Tall Buildings." Architectural Science Review 51, no. 3 (September 2008): 239–51. http://dx.doi.org/10.3763/asre.2008.5129.

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Heshmati, Mahdi, Mohammadreza Tameh, and Alireza Khatami. "Seismic-resilient diagrid structures with hybrid buckling restrained braces." Structures 39 (May 2022): 218–36. http://dx.doi.org/10.1016/j.istruc.2022.03.016.

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R, Deepika. "Comparative Study of Diagrid and Hexagrid Exterior Structural Systems." International Journal for Research in Applied Science and Engineering Technology 8, no. 6 (June 30, 2020): 1617–24. http://dx.doi.org/10.22214/ijraset.2020.6263.

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Moon, Kyoung Sun. "Sustainable Design of Diagrid Structural Systems for Tall Buildings." International Journal of Sustainable Building Technology and Urban Development 2, no. 1 (March 2011): 37–42. http://dx.doi.org/10.5390/susb.2011.2.1.037.

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Kim, Young-Ju, In-Yong Jung, Young-Kyu Ju, Soon-Jeon Park, and Sang-Dae Kim. "Cyclic Behavior of Diagrid Nodes with H-Section Braces." Journal of Structural Engineering 136, no. 9 (September 2010): 1111–22. http://dx.doi.org/10.1061/(asce)st.1943-541x.0000203.

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Ahn, Keun-Woo, Jae-Kwang Yang, and Sung-Soo Park. "Sensitivity Analysis on the Lateral Behavior of Diagrid Structure." Journal of the Korea institute for structural maintenance and inspection 19, no. 3 (May 30, 2015): 73–82. http://dx.doi.org/10.11112/jksmi.2015.19.3.073.

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Ardekani, Amirreza, I. Dabbaghchian, M. Alaghmandan, M. Golabchi, S. M. Hosseini, and S. R. Mirghaderi. "Parametric design of diagrid tall buildings regarding structural efficiency." Architectural Science Review 63, no. 1 (December 26, 2019): 87–102. http://dx.doi.org/10.1080/00038628.2019.1704395.

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Montuori, Giovanni Maria, Elena Mele, Giuseppe Brandonisio, and Antonello De Luca. "Design criteria for diagrid tall buildings: Stiffness versus strength." Structural Design of Tall and Special Buildings 23, no. 17 (November 11, 2013): 1294–314. http://dx.doi.org/10.1002/tal.1144.

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Zhao, Feng, and Chonghou Zhang. "Diagonal arrangements of diagrid tube structures for preliminary design." Structural Design of Tall and Special Buildings 24, no. 3 (March 24, 2014): 159–75. http://dx.doi.org/10.1002/tal.1159.

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Montuori, Giovanni Maria, Elena Mele, Giuseppe Brandonisio, and Antonello De Luca. "Secondary bracing systems for diagrid structures in tall buildings." Engineering Structures 75 (September 2014): 477–88. http://dx.doi.org/10.1016/j.engstruct.2014.06.011.

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Putra Wirawan, I. Putu Agus. "Perilaku dan Kinerja Struktur Baja dengan Sistem Struktur Diagrid dan Inverted V-Braced." Jurnal Ilmiah Telsinas Elektro, Sipil dan Teknik Informasi 4, no. 1 (March 9, 2022): 25–30. http://dx.doi.org/10.38043/telsinas.v4i1.2883.

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The diagrid structure system is a grid structure system that is applied to buildings with a diagonal shape. This structural system aims to increase the strength and stiffness of the building. In addition, the diagrid structural system can provide a more aesthetic appearance. This structural system is very good for application in medium to high rise buildings. In this study, a comparison of the behavior and performance of the Diagrid (DIA) and Brace Frame (BF) structural system using ETABS 2016 software is carried out. The structural behaviors to be reviewed include stress ratio, deformation, drift ratio and structural weight, while the structural performance includes pushover curves. The geometry of the two buildings uses a span length and width of 3@5m and a total height of 30 m. In this study, results obtained from behavioral analysis in the form of stress ratio is less than 1, the deformation of BF was 58% greater compared to the DIA model, drift ratio of DIA was 35% more rigid than BF and the weight ratio of DIA was 24% lighter compared to BF with the weight ratio of 1.33, while for the performance analysis of the DIA model is 14% better than the BF model. It can be concluded that the DIA structural system is better than the BF.

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Sukrawa, Made, Gede Pringgana, and Putu Diva Tryatra Sanjaya. "Comparative analysis and design of tower using diagrid, conventional moment frame and braced frame system of steel structures." MATEC Web of Conferences 276 (2019): 01026. http://dx.doi.org/10.1051/matecconf/201927601026.

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The diagrid structure system has become an encouraging alternative for the construction of tall buildings partly because of the aesthetic reason. Structurally, the system also interesting because its diagonal intersecting members are capable of resisting vertical and lateral forces efficiently. This research compared the design of steel tower building using diagrid (DIA) system and the more commonly used systems, moment frame (MF) and braced frame (BF). Numerical modelling using finite element software ETABS were conducted to design a 10-story building of 15x15m with total height of 50 meters. The seismic behaviors of all models were compared under the same loading conditions. From the analysis results the DIA model showed superior seismic behavior followed by BF and MF. The DIA model was not only stiffer than the others, but also required smaller volume of steel.

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Teng, Jun, Wei Liang Guo, Bai Sheng Rong, Zuo Hua Li, and Zhi Jun Dong. "Research on Seismic Performance Objectives of High-Rise Diagrid Tube Structures." Advanced Materials Research 163-167 (December 2010): 1100–1106. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.1100.

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Diagrid tube structures have advantages on constructing high-rise buildings for its great lateral stiffness, but its seismic design methodology researches are limited. The two-stage design method in Chinese code is not specific enough for the seismic fortification objectives of this kind of structures. It is necessary to propose some specific seismic performance objectives for the key components. Typical CFST diagrid tube-concrete core tube structures are studied by dynamic elastic-plastic time-history analysis using Perform-3D program. The structure plasticity developing process is summarized and the distribution characteristics of seismic fortification lines between tubes are discussed. The influences of main structure lateral stiffness related factors on the plasticity developing process are researched. The key components of structure lateral stiffness and plastic energy dissipation are studied. The seismic performance objectives of the key components are proposed for the three-level seismic fortification objectives.

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Naik, Harshada A., and S. R. Suryawanshi. "Diagrid Structural System: Comparative Study to Reduse the Earthquake Forces on High Rise Building." Journal of Advances and Scholarly Researches in Allied Education 15, no. 2 (April 1, 2018): 375–89. http://dx.doi.org/10.29070/15/56850.

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Moon, Kyoung Sun. "Diagrid Systems for Structural Design of Complex-Shaped Tall Buildings." International Journal of High-Rise Buildings 5, no. 4 (December 1, 2016): 243–50. http://dx.doi.org/10.21022/ijhrb.2016.5.4.243.

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Boake, Terri Meyer. "The Emergence of the Diagrid - It's All About the Node." International Journal of High-Rise Buildings 5, no. 4 (December 1, 2016): 293–304. http://dx.doi.org/10.21022/ijhrb.2016.5.4.293.

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Kim, Hyun-Su, and Joo-Won Kang. "Multi-objective Integrated Optimization of Diagrid Structure-smart Control Device." Journal of the Computational Structural Engineering Institute of Korea 26, no. 1 (February 28, 2013): 69–77. http://dx.doi.org/10.7734/coseik.2013.26.1.69.

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Baile, Viraj, and Dr A. A. Bage. "Comparative Study of Diagrid, Simple Frame and Shear Wall System." International Journal of Engineering Research and Applications 07, no. 07 (July 2017): 10–15. http://dx.doi.org/10.9790/9622-0707021015.

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