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STRUCTURAL DESIGN OF HIGH-RISE BUILDINGS
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This thesis research focusses on the development of a reliable and efficient 3D calculation model of an existing high-rise, reinforced concrete building in the Groningen area, in order to analyse the dynamic behaviour of the existing and subsequently retrofitted main bearing structure of this high-rise building. The assessment of the existing building is performed through a Non-Linear Time History analysis in Simulia Abaqus, in which cracking of concrete and yielding of reinforcement is taken into account. Multiple NLTH analyses are performed for optimisation of the 3D model in order to obtain correct results with a minimum amount of calculation costs. This optimisation process results in a clear understanding of the dynamic behaviour of the building and the main sensitivities of the model. The 3D model is verified by means of a simplified 1D beam type model, developed and analysed with the software package Matlab. This 1D model consists of three elements, corresponding to the three...
Design of an efficient and suitably rigid support structure of a tall building is constantly a challenge for architects and engineers. Recently this challenge is enormously increased by the safety requirements conditioned by numerous emergency reasons. Among others one should mention here about effects of fire or a terrorist attack. The complex fo rms of structural systems have to be examined in many ways. Comprehensive analyses of these systems are carried out by application of suitable numerical models of these systems. The paper contains examples of shapes of structural systems proposed by the author together with definitions of their numerical models prepared in the programming language Formian.
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High-rise buildings have been rapidly increasing worldwide due to insufficient land availability in populated areas and their primary role as essential buildings in modern cities and capitals. However, high-rise buildings are very complicated due to the huge number of structural components and elements unlike low-rise buildings, as well as these high-rise buildings demand high structural stability for safety and design requirements. This paper aims to provide brief information about high-rise buildings regarding the basic definition, safety features, structural stability, and design challenges. A brief description of existing structural systems that are available in the literature is presented to articulate a technical issue that has been widely reported, named, adopting an effective structural system for resisting lateral loads resulting from wind and seismic activities. Consequently, a general overview is presented that covers the behavior of various structural systems for different heights of high-rise buildings by implementing a number of nonlinear static procedure analyses (pushover) and nonlinear dynamic procedure analyses (for wind and earthquake loading). Finally, a critical review of the available simplified model and seismic energy base design are also presented. This paper is intended to help in the development and application of construction systems for high-rise buildings in the future.
High-rise buildings are exposed to both static and dynamic loads. Depending on the method used and how the structure is modeled in E-Tabs software the results can vary. Some of the issues and modeling techniques, introduced below, are investigated in this Master's thesis. Dynamic effects such as resonance frequencies and accelerations are considered. The variation in static results from reaction forces, overturning moments, deflections, critical buckling loads, forces between prefabricated elements and force distributions between concrete cores are investigated with different models. The models are evaluated by different elements and methods, such as construction stage analysis, to study the impact these have on the results. Simplified calculations by hand according to different standards, regulations and codes such as SS-ISO, EKS and Euro code have been compared with finite element analyses. Index terms-Problems, High-rise buildings, Structural system, Structural wall system, Moment frame system and case study
High-rise buildings are exposed to both static and dynamic loads. Depending on the method used and how the structure is modeled in E-Tabs software the results can vary. Some of the issues and modeling techniques, introduced below, are investigated in this Master’s thesis. Dynamic effects such as resonance frequencies and accelerations are considered. The variation in static results from reaction forces, overturning moments, deflections, critical buckling loads, forces between prefabricated elements and force distributions between concrete cores are investigated with different models. The models are evaluated by different elements and methods, such as construction stage analysis, to study the impact these have on the results. Simplified calculations by hand according to different standards, regulations and codes such as SSISO, EKS and Euro code have been compared with finite element analyses.
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The subject of this thesis is to present a complete study of high-rise building in terms of structural design and analysis, with an application on a 24 stories building.
gh-rise buildings.2 High-rise buildingsA building is defined as high-rise when it is considerably higher than the surrounding buildings or its proportion is slender enough to giv. the appearance of a tall building [14]. The construction of high-rise buildings started at the end of the 19th century in Chicago.
CHALMERS UNIVERSITY OF TECHNOLOGY. Göteborg, Sweden 2016 High-Rise Building Design. A design tool combining stakeholders and demands with design. JOHANNA RIAD. JOHANNA RIAD, 2016. Supervisor: Erik Beets, VBK Examiner: Mats Ander, Department of Applied Mechanics. Master’s Thesis 2016:62. ISSN 1652-8557. Department of Applied Mechanics ...
a building must exceed to be considered a high-rise, but rather recognizes that what constitutes tall depends on context and proportions, as shown in the figure above. A high-rise, then is one that is of substantial height relative to its surroundings and width. Figure 2: Diagram illustrating mixed-use and single-function high-rises. Diagram by ...
60s’ and the 70s’, as well as an increase in the construction of new high-rise buildings especially in the capital London. This research recognises the need to improve the design of the existing and future high-rises so they are in the same time sustainable and provide a better quality of life for the occupiers.
4.2 Cast-in-situ floor slabs. The height of a cast-in-situ slab in residential buildings is usually 300 mm with a 20 mm concrete topping. Also, this height frequently comes from the requirements of sound insulation. Cast-in-situ slab floors are stabilized by means of peripheral reinforcement around the whole floor.
This thesis is essentially a study of how to organize public space vertically in a tall building. In most cases, high rise buildings tend to be organized in one of two ways, either centrally, with the core elements in the center of the building footprint, or linearly, with
2018. This thesis research focusses on the development of a reliable and efficient 3D calculation model of an existing high-rise, reinforced concrete building in the Groningen area, in order to analyse the dynamic behaviour of the existing and subsequently retrofitted main bearing structure of this high-rise building.
High-rise buildi ngs have been rapidly increasi ng worldwide due to insufficie nt land. availability in populated areas and their primary role as essential buildings in modern. cities and capitals ...
Abstract. 21st century population growth is raising the need for more land space in urban. areas and this has led to the construction of high-rise buildings, reducing. horizontal urban development, and making construction of residential high-rise. buildings (RHB) a necessity in major cities around the world.