This document analyzes the seismic performance of a 9-story steel structure with different bracing and infill systems through modeling and analysis. Four structural models are considered: a bare frame, bare frame with precast panel infill, bare frame with X-bracing, and bare frame with X-bracing and precast panel infill. The models are analyzed using software to determine base shear, story drift, and displacement under seismic loads. Results show that use of bracing and infills helps reduce displacement and story drift, with the model containing both X-bracing and precast infill performing best by minimizing drift. Infill and bracing systems thus improve the structure's lateral stiffness and strength during earthquakes.
In last decades steel structures has played an impo rtant role in construction industry. Providing strength,stability and ductility are major purpose s of seismic design. It is necessary to design a structure to perform well under seismic loads. Stee l braced frame is one of the structural systems used to resist earthquake loads in structures. Stee l bracing is economical,easy to erect,occupies less space and has flexibility to design for meetin g the required strength and stiffness. Bracing can be used as retrofit as well. There are various type s of steel bracings such as Diagonal,X,K,V,inverted V type or chevron and global type concentr ic bracings. In the present study,it was shown that modeling of the G+4 steel bare frame with vari ous bracings (X,V,inverted V,and Knee bracing) by computer software SAP2000 and pushover analysis results are obtained. Comparison between the seismic parameters such as base shear,roof displacement,time period,storey drift,performance point for steel bare frame with differe nt bracing patterns are studied. It is found that the X type of steel bracings significantly contribu tes to the structural stiffness and reduces the maximum interstate drift of steel building than oth er bracing systems.
In last decades steel structures has played an impo rtant role in construction industry. Providing strength,stability and ductility are major purpose s of seismic design. It is necessary to design a structure to perform well under seismic loads. Stee l braced frame is one of the structural systems used to resist earthquake loads in structures. Stee l bracing is economical,easy to erect,occupies less space and has flexibility to design for meetin g the required strength and stiffness. Bracing can be used as retrofit as well. There are various type s of steel bracings such as Diagonal,X,K,V,inverted V type or chevron and global type concentr ic bracings. In the present study,it was shown that modeling of the G+4 steel bare frame with vari ous bracings (X,V,inverted V,and Knee bracing) by computer software SAP2000 and pushover analysis results are obtained. Comparison between the seismic parameters such as base shear,roof displacement,time period,storey drift,performance point for steel bare frame with differe nt bracing patterns are studied. It is found that the X type of steel bracings significantly contribu tes to the structural stiffness and reduces the maximum interstate drift of steel building than oth er bracing systems.
Lateral Load Analysis of a Building with & Without Knee BracingIJERA Editor
In last decades steel structures has played an important role in construction industry. Providing strength, stability
and ductility are major purposes of seismic design. It is necessary to design a structure to perform well under
seismic loads. Steel braced frame is one of the structural systems used to resist earthquake loads in structures.
Steel bracing is economical, easy to erect, occupies less space and has flexibility to design for meeting the
required strength and stiffness. Bracing can be used as retrofit as well. There are various types of steel bracings
such as Diagonal, X, K, V, inverted V type or chevron and global type concentric bracings. In the present study,
it was shown that modelling of the G+4 steel bare frame with various bracings (X, V, inverted V, and Knee
bracing) by computer software SAP2000 and pushover analysis results are obtained. Comparison between the
seismic parameters such as base shear, roof displacement, time period, storey drift, performance point for steel
bare frame with different bracing patterns are studied. It is found that the X type of steel bracings significantly
contributes to the structural stiffness and reduces the maximum interstate drift of steel building than other
bracing systems.
State of The Art Report on Steel-Concrete In filled Composite ColumnIJERA Editor
Steel-concrete composite systems for buildings are composed of concrete components that interact with
structural steel components within the same system. By their integral behavior, these components give the
required attributes of strength, stiffness and stability to the overall system. Composite members, as individual
elements of a system, have been in use for a considerable number of years. They consist of composite columns
or trusses, encased or filled composite columns, and steel deck reinforced composite slabs. In this paper, a
review of the research carried out on composite columns with infills is given with emphasis on experimental
work.
BEHAVIOUR OF STEEL STAGGERED TRUSS SYSTEM UNDER SEISMIC LOADINGIAEME Publication
Staggered truss system is a prospective steel structure system for multi-story and high-rise
buildings. The staggered truss framing system arose from the use of system design techniques to
improve efficiency in building construction. Staggered truss systems have proved to be effective in
integrating the structural and mechanical requirements. In addition, cost reductions arising from
reduced steel tonnage and reduced building volume may be achieved from the use of these framing
methods. The purpose of this project is analytical investigation on the behavior of an 8-storey steel
staggered-truss system using the ETABS software.
Comparitive study on rcc and composite (cft) multi storeyed buildingseSAT Journals
Abstract In India reinforced concrete structures are mostly used since this is the most convenient & economic system for low-rise buildings. However, for medium to high-rise buildings this type of structure is no longer economic because of increased dead load, less stiffness, span restriction and hazardous formwork. So the structural engineers are facing the challenge of striving for the most efficient and economical design solution. Use of composite material is of particular interest, due to its significant potential in improving the overall performance through rather modest changes in manufacturing and constructional technologies. Steel-concrete composite columns are used extensively in modern buildings. Extensive researches on composite columns in which structural steel section are encased in concrete have been carried out. In-filled composite columns, however have received limited attention compared to encased columns. In this study E-Tabs nonlinear software is used for simulation of steel concrete composite (CFT) with steel reinforced concrete structures (RCC) of G+14, G+19 and G+24 stories each are considered for comparative study. Comparison of parameters like time period, storey displacement and storey drift is done. Keywords: Composite CFT columns, bracings, shear wall, time period, storey displacement and storey drift.
Lateral Load Analysis of a Building with & Without Knee BracingIJERA Editor
In last decades steel structures has played an important role in construction industry. Providing strength, stability
and ductility are major purposes of seismic design. It is necessary to design a structure to perform well under
seismic loads. Steel braced frame is one of the structural systems used to resist earthquake loads in structures.
Steel bracing is economical, easy to erect, occupies less space and has flexibility to design for meeting the
required strength and stiffness. Bracing can be used as retrofit as well. There are various types of steel bracings
such as Diagonal, X, K, V, inverted V type or chevron and global type concentric bracings. In the present study,
it was shown that modelling of the G+4 steel bare frame with various bracings (X, V, inverted V, and Knee
bracing) by computer software SAP2000 and pushover analysis results are obtained. Comparison between the
seismic parameters such as base shear, roof displacement, time period, storey drift, performance point for steel
bare frame with different bracing patterns are studied. It is found that the X type of steel bracings significantly
contributes to the structural stiffness and reduces the maximum interstate drift of steel building than other
bracing systems.
State of The Art Report on Steel-Concrete In filled Composite ColumnIJERA Editor
Steel-concrete composite systems for buildings are composed of concrete components that interact with
structural steel components within the same system. By their integral behavior, these components give the
required attributes of strength, stiffness and stability to the overall system. Composite members, as individual
elements of a system, have been in use for a considerable number of years. They consist of composite columns
or trusses, encased or filled composite columns, and steel deck reinforced composite slabs. In this paper, a
review of the research carried out on composite columns with infills is given with emphasis on experimental
work.
BEHAVIOUR OF STEEL STAGGERED TRUSS SYSTEM UNDER SEISMIC LOADINGIAEME Publication
Staggered truss system is a prospective steel structure system for multi-story and high-rise
buildings. The staggered truss framing system arose from the use of system design techniques to
improve efficiency in building construction. Staggered truss systems have proved to be effective in
integrating the structural and mechanical requirements. In addition, cost reductions arising from
reduced steel tonnage and reduced building volume may be achieved from the use of these framing
methods. The purpose of this project is analytical investigation on the behavior of an 8-storey steel
staggered-truss system using the ETABS software.
Comparitive study on rcc and composite (cft) multi storeyed buildingseSAT Journals
Abstract In India reinforced concrete structures are mostly used since this is the most convenient & economic system for low-rise buildings. However, for medium to high-rise buildings this type of structure is no longer economic because of increased dead load, less stiffness, span restriction and hazardous formwork. So the structural engineers are facing the challenge of striving for the most efficient and economical design solution. Use of composite material is of particular interest, due to its significant potential in improving the overall performance through rather modest changes in manufacturing and constructional technologies. Steel-concrete composite columns are used extensively in modern buildings. Extensive researches on composite columns in which structural steel section are encased in concrete have been carried out. In-filled composite columns, however have received limited attention compared to encased columns. In this study E-Tabs nonlinear software is used for simulation of steel concrete composite (CFT) with steel reinforced concrete structures (RCC) of G+14, G+19 and G+24 stories each are considered for comparative study. Comparison of parameters like time period, storey displacement and storey drift is done. Keywords: Composite CFT columns, bracings, shear wall, time period, storey displacement and storey drift.
Similar to Analysis of Multi-Storey Steel Structure with Different Infills and Steel Bracings (20)
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
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