Seismic Performance of Steel Frames with Inverted V-Braces for North Cyprus

Alkhattab*, MSc. Mohammad; Reşatoğlu, Rifat; Sadeghi, Kabir; Alibrahim, MSc. Bashar

doi:10.35940/ijitee.a4956.119119

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…From table 11 explains the effectivity various bracing which the effectiveness of the Inverted V brace is more than the V brace. It can be concluded that Inverted V brace is more effective than V brace [30], [31].…”

Section: B Story Drift Resultsmentioning

confidence: 93%

The Performance Assessment of the Structural Bracing Model for Multi-Story Building

Anastasia,

Saputro,

Goro

et al. 2024

Int. J. Adv. Sci. Eng. Inf. Technol.

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Earthquakes are a severe issue for construction. The building collapsed due to the earthquake because it could not bear the earthquake load. Even more so, it was constructed using outdated and different building regulations that do not comply with modern building codes that account for seismic loads. As a result, disaster mitigation methods, such as retrofitting, must be implemented. Retrofitting procedures are commonly used in many developed countries. The bracing system is a typical retrofitting method used on building structures. In this study, a retrofitting program was carried out on The State Finance Building II Semarang, which was built in the 1980s, one of the old buildings in Semarang City, using a reinforced portal structure. This study's bracing system is a Concentrically Brace Frame (CBF) with Inverted V Brace and V Brace variations. The structural analysis software ETABS V.18.2.0 analyzes the building's structure. The structural review includes story drift, the P-Delta effect, and horizontal torsion irregularities. According to the results, steel bracing can minimize the period and displacement associated with story drift, making the structure more stable, with a maximum displacement reduction of 59.66% for inverted V-type steel bracing. Aside from that, steel bracing also can minimize the occurrence of torsion in the building. As a result, steel braces can be used to strengthen the structure.

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Section: B Story Drift Resultsmentioning

confidence: 93%

The Performance Assessment of the Structural Bracing Model for Multi-Story Building

Anastasia,

Saputro,

Goro

et al. 2024

Int. J. Adv. Sci. Eng. Inf. Technol.

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“…The numerical analysis of the unbraced EBF results proposes that the seismic design provisions specified in CSA S16 for the conventional EBFs be revisited to address the potential instability in these structures. Alkhattab [26] mentioned in his study that the objective is to look at how different kinds of inverted V-bracing systems affect the seismic performance of steel-framed structures in the city of Famagusta in Cyprus. To accomplish this goal, 20 models of steel frame buildings and 4 different bracing methods.…”

Section: Factors Affecting the Bracing System 31 The Type Of Bracingmentioning

confidence: 99%

A review of retrofitting in the structural steel buildings using bracing systems

Hassan,

Al-Wazni

2023

IOP Conf. Ser.: Earth Environ. Sci.

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The multi-storey buildings and towers that are constructed of steel frames are exposed to lateral loads such as wind loads, earthquakes and explosions, which cause a vibrational movement in the structure. Therefore, the horizontal drift and deformations increase and lead to instability in the structure. So, it is necessary to retrofit the structural steel buildings by increasing the lateral stiffness and ductility of the structure. This is made by choosing a suitable bracing system type to retrofit the building. In this research, the bracing system types are taken to achieve the desired purpose. A summary of this system and its types, and a historical overview of the use of this system were studied. The results are compared by investigating several parameters, such as the total mass of the structure, the cost, lateral stiffness, and lateral displacement. Also, previous research was categorized following how it affected the reinforcement system. The main objectives of the study are to determine the most efficient bracing system for steel buildings under the influence of retrofitting against a lateral load and to compare the structural performance of various types of bracing systems. Also, the outcomes demonstrated that the bracing system decreases lateral displacement and boosts energy dissipation.

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Comparative Analysis of Steel Buildings With and Without Bracings in Nepal

Suwal

Dahal

Shrestha³

2022

Preprint

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The past few years has seen a remarkable increase in the construction of steel framed buildings in Nepal. This has provided a much-needed architectural relief to urban centers full of RC buildings. The main reasons for this current proclivity towards steel buildings can be attributed to the faster time of erection of steel buildings, its light weight resulting in easier handling and cheaper transportation, and lower material cost. However, because of its flexible nature, an unbraced steel building will have higher storey displacement when compared to the RC buildings. For mid-rise and high-rise buildings, the steel frames need to be equipped with braces to keep the storey drifts and displacements within acceptable limits. This will result in a stiffer building and hence result in increased base shears and bending moments. This change in base shears and storey drifts along with the building’s fundamental time period may not be similar for different positions of braces despite the use of similar bracing sections. This paper aims to find such differences, if any, to aid designers in selecting optimum position for braces while designing steel framed buildings.

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Seismic Performance of Steel Frames with Inverted V-Braces for North Cyprus

Cited by 3 publications

References 5 publications

The Performance Assessment of the Structural Bracing Model for Multi-Story Building

The Performance Assessment of the Structural Bracing Model for Multi-Story Building

A review of retrofitting in the structural steel buildings using bracing systems

Comparative Analysis of Steel Buildings With and Without Bracings in Nepal

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