Shear wall layout optimization for conceptual design of tall buildings

Zhang, Yu; Mueller, Caitlin

doi:10.1016/j.engstruct.2017.02.059

Cited by 57 publications

(23 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Since plastic hinges are made in beams and columns, not in shear walls therefor shear wall system is more reliable. A great advantage of the shear wall is that it reduces the lateral sway of the building The shear mode deformation in a rigid frame, flexural mode deformation in the shear wall and interaction deformation in frame and shear wall have given in the fig (1). It shows that how both of them compensates deformation of each other and reduce the overall deflection of the building by reversal action of deformation…”

Section: The Action Of Wall-frame Structurementioning

confidence: 99%

Effect of Variable Ground Slope on Lateral Strength of Wall-Frame Structure

Dane¹

2020

IJRASET

View full text Add to dashboard Cite

The current era is a modern age. In today's era of rising urbanization has become condition of making multistorey building in adverse conditions like in mountainous region. As Earthquake is a natural disaster and can put lethal impact on hilly regions, to reduce the impact of the earthquake some earthquake resistant techniques comes into existence. The shear wall is one of them which provided lateral strength and stiffness to building against earthquake and wind forces. In the present paper 4 model of G+5 story concrete wall-frame building taken with identical position of shear wall, model one is a conventional building on flat ground and remaining three models built at ground slope of 22º, 27º and 31º respectively. The effluence caused by earthquake force act along slope direction has been studied in all four models. The story shear has taken as measure of study and all the external conditions are identical, except size of shear wall and ground slope. Linear static analysis has been done using SAP: 2000 software.1) Graph (1) is output result of model (1) in form of story shear 2) Graph (2) is output result of model (2) in form of story shear 3) Graph (3) is output result of model (3) in form of story shear 4) Graph (4) is output result of model (4) in form of story shearThe relation between story shear at different stories for 3 different size of shear wall has shown above in all four graphs. Following outputs (story shear) are based on worst load combination On comparing carefully the appropriate results, it is clear that the variation in story shear with different stories (0 to 5 th ) is changes variably. The building on flat ground (model-1) have less story shear induced and model (2), (3) and (4) have noticeable results. When ground slope has 22º (model-2) and 27º (model-3) the variation in story shear was gradual and certain but as ground slope reaches to 31º (model-4), the story shear was relatively less but uncertain. Finally on discussing, the appropriate location of shear wall is effectively working in all three models (i.e. model (1), (2)and (3)) and out of these three models, model (4) is more effective and efficient for greater slope criteria.VI. CONCLUSION A. A Story shear encountered for model (1) (i.e. flat ground condition) is very less and have extreme safe for story shear criteria. B. 9% reduction has been estimated in average story shear in model (4) with respect to model (2). C. 4% reduction has been estimated in average story shear in model (3) with respect to model (2). D. 15.2% and 5.4% reduction in average story shear of lower stories have been seen in 1.5m and 1.0m wide shear wall compare with 0.5m wall. E. Presented location of shear wall (i.e. DD*) working effectively at 31º ground slope. F. The shear wall of size 0.25m*1.5m has been working effectively in all three ground slopes (22 º, 27 º and 31 º). G. Hence model (4) with 1.5m wide shear wall (when ground slope is 31 º) is most favourable case for presented (i.e. DD* location) position of shear wall.

show abstract

Section: The Action Of Wall-frame Structurementioning

confidence: 99%

Effect of Variable Ground Slope on Lateral Strength of Wall-Frame Structure

Dane¹

2020

IJRASET

View full text Add to dashboard Cite

show abstract

“…[4] The reason of success lies in the easy integration of the walls with the vertical circulation; however, their design is not trivial and depends on several architectural, structural, functional requirements. In the work, [5] the wall layout complies with all these requirements and is optimized with respect to the weight. The problem of material consumption is a leading theme in this research area.…”

Section: Related Workmentioning

confidence: 99%

Morphogenesis of a bundled tall building: Biomimetic, structural, and wind‐energy design of a multi‐core‐outrigger system combined with diagrid

Laccone

Casali²,

Sodano³

et al. 2021

Structural Design Tall Build

View full text Add to dashboard Cite

Skyscrapers are among the most distinctive building types of the modern age. Since many resources are attributed to these buildings, their design should consider a proper performance-based construction economy and environmental sustainable development. This research introduces a new concept for a bundled tall building founded on the use of a multi-core-outrigger system, which is additionally enriched with diagrid structures. The concept is inspired by the bamboo plant and follows the biomimetic design principles for the structural organization and performance-based criteria for optimizing the lateral stiffness and for shaping the cross section. Particularly, the incident wind speed is maximized to exploit Vertical Axis Wind Turbines (VAWTs), which are located along the whole building height at the center of the bundled towers. The building morphogenesis is accomplished by a multistep methodology that is fully developed in a parametric environment and includes structural and computational fluid dynamic analyses. With the aim of validating the proposed concept, a case study of a 320-m-tall three-core building has been designed for the city of Pisa, Italy. The use of VAWTs results in an annual emissions reduction of about 10 kgCO 2 /m 2 .

show abstract

“…In every single occasion the genetic algorithm (GA) in tandem with attentively combined genetic parameters secured significantly better results compared to other algorithms. Amongst such parameters, the mutation operator has a significant contribution [24,20] to introduce potentially beneficial changes to the upcoming generation. Hence, in this study, the main attention is focused to the mutation operator.…”

Section: Previous Workmentioning

confidence: 99%

Multi-objective global optimization of grillage-type engineering structures using advanced metaheuristics

Belevičius

Mačiūnas

Šešok

2020

ACUTM

View full text Add to dashboard Cite

The purpose of the paper is to present the method implemented for a global optimization of grillage-type pile foundations introducing two advanced metaheuristics: AAGA and AGADS. The suggested new optimization algorithm including the synergy of AAGA and AGADS demonstrates improved results comparing with former AGA and GADS. Compromise objective function to be minimized involves the maximum reactive force in piles and maximum bending moment in the connecting beams. The feasibility of a simple weighting technique for the objective function is proved by numerical investigation of objective function domain for several different topologies of foundations. Sizing problem of connecting beams is solved together with the optimization problem. The original finite element program was employed for solution of direct problem.

show abstract

Shear wall layout optimization for conceptual design of tall buildings

Cited by 57 publications

References 8 publications

Effect of Variable Ground Slope on Lateral Strength of Wall-Frame Structure

Effect of Variable Ground Slope on Lateral Strength of Wall-Frame Structure

Morphogenesis of a bundled tall building: Biomimetic, structural, and wind‐energy design of a multi‐core‐outrigger system combined with diagrid

Multi-objective global optimization of grillage-type engineering structures using advanced metaheuristics

Contact Info

Product

Resources

About