STEEL WEIGHT SAVING DEVELOPED FROM SEMI-CONTINUOUS CONSTRUCTION IN MULTI-STOREY BRACED STEEL FRAME BASED ON EURO-CODE 3

2015 ◽  
Vol 77 (16) ◽  
Author(s):  
T. Y. Taher ◽  
M. M. Tahir ◽  
A. Sulaiman ◽  
S. P. Ngian ◽  
A. Saggaff
Keyword(s):  
Parametric Study ◽  
Steel Frames ◽  
Steel Frame ◽  
Simple Construction ◽  
Weight Saving ◽  
End Plate ◽  
Rigid Connection ◽  
Parametric Studies ◽  
Steel Weight ◽  
Plate Connection

Steel frames can be designed as simple, semi-continuous, and continuous construction. However, these types of constructions depend on the type of connections used. Connections are usually classified in design as pinned which is associated with simple construction or rigid which is associated with continuous construction. However, the actual behaviour in most cases is classified as semi-rigid connections or partial strength. The semi-rigid connections usually associated with the stiffness of the connection while the strength of this connection usually associated with partial strength. The use of semi-rigid connection has been encouraged by Euro-code 3 and studies on the matter known as semi-continuous construction have proven that substantial savings in steel weight of the overall construction. A series of parametric studies on two bays of two, four, six, and eight storey of multi-storey braced steel frame are presented in this paper. All frames are designed using S275 steel and flush end-plate connection was used as connection for semi-continuous construction whereas fin plate connection was used for simple construction. The frames are designed both as simple construction and semi-continuous construction and the steel weight of the frames was calculated and compared. From the parametric study it was found that by using partial strength connection the saving in steel weight of the frames is in the range of 11.5% to 22.5% of the total steel weight of the frames.

Study on the End-Plate and Angle of Semi-Rigid Connection in the Steel Frame of Beam-Column

2011 ◽  
Vol 94-96 ◽  
pp. 872-876
Author(s):  
Ling Xu ◽  
Shuai Liu
Keyword(s):  
Bearing Capacity ◽  
Load Capacity ◽  
Steel Structure ◽  
Steel Frame ◽  
Experimental Results ◽  
End Plate ◽  
Rigid Connection ◽  
Connection Type ◽  
Plate Connection ◽  
The Ideal

Based on the investigation of end plate and angle of semi-rigid connection in the steel frame of beam-column, an analysis of two connection type damage phenomenons, stiffness, bearing capacity and ductility, and then with the experimental results concluded above, the similarity and differences between the two semi-rigid connections can be extensively discussed. And with that， it can naturally be concluded that the end-plate connection is a good load capacity and ductility properties of semi-rigid connection type. These for, the conclusion can provide test basis for the ideal steel structure semi-rig seismic node design and application.

Overview of the Status of Research on the Behavior of Beam-Column End Plate Connection Joints of Steel Frame

2014 ◽  
Vol 971-973 ◽  
pp. 893-898
Author(s):  
Zhu Ling Yan
Keyword(s):  
Steel Structure ◽  
Steel Frame ◽  
Current Status ◽  
Bolted Connection ◽  
End Plate ◽  
The Status ◽  
Rigid Connection ◽  
Extended End Plate ◽  
Plate Connection ◽  
At Home

This paper introduces the concepts and characteristics of beam-column end plate semi-rigid connection joints of steel structure, analyzes the current status of studies on various performance of semi-rigid extended end plate bolted connection joints of steel frame at home and abroad, as well as the shortcomings of existing studies on end plate bolted connection joints of steel frame, and on these bases, makes suggestions on the contents need to be studied further regarding this type of connection joints.

Analysis and design for the resilience of shear connections

2010 ◽  
Vol 37 (12) ◽  
pp. 1581-1589 ◽  
Author(s):  
Yanglin Gong
Keyword(s):  
Progressive Collapse ◽  
Axial Deformation ◽  
Capacity Design ◽  
Analysis And Design ◽  
Shear Connection ◽  
End Plate ◽  
Beam System ◽  
Shear Connections ◽  
Parametric Studies ◽  
Plate Connection

This paper proposes an approach for quantifying the demands on shear connections under the assumption of an ineffective column. Formulas and an algorithm are developed to evaluate the axial force, axial deformation, rotation, and moment demands on beam-to-column shear connections. The analysis algorithm developed is verified using a solved example found from literature. Parametric studies are conducted to determine important parameters in the connection modeling for resilience design. Furthermore, a detailed procedure indicating how to obtain the properties of an end-plate shear connection for its resilience design is provided. Four end-plate connection examples are employed to illustrate the proposed methodology. Finally, a capacity design concept is introduced for the ductility design of shear connections. This study demonstrates that shear connections should be designed explicitly for its resilience to resist progressive collapse of a girder-and-beam system.

PERFORMANCE APPRAISAL OF STEEL CONNECTION IN LOW RISE BUILDINGS

2015 ◽  
Vol 75 (5) ◽  
Author(s):  
H. F. Siuw ◽  
M. Taib
Keyword(s):  
Performance Appraisal ◽  
Steel Frame ◽  
Industrial Building ◽  
Economical Method ◽  
End Plate ◽  
Optimize Design ◽  
Steel Connection ◽  
The Common ◽  
Extended End Plate ◽  
Plate Connection

Steel construction allows fast and economical method of construction which also fulfills the requirement of clients. Especially low-rise building such as industrial building is the most common in steel frame. There are few common types of connection that are commonly being used in the industry such as flush end plate connection and extended end plate connection. This research is conducted to evaluate the performance of end plate connection as the common steel connection in low-rise buildings. Software ConSteel is used to evaluate the performance of identified connections by analysis. At the end of the research, an optimize design of end plate connection maybe recommended based on the performance and serve as a basic of improvement and guidance of safety. 

Dynamic Analyses of Semi-Rigid Connection Low Yield Point Steel Frames

2013 ◽  
Vol 351-352 ◽  
pp. 524-527
Author(s):  
Cui Ling Ma ◽  
Song Dan Sun ◽  
Xian Lei Cao
Keyword(s):  
Steel Frames ◽  
Time History ◽  
Steel Frame ◽  
Frame Structure ◽  
History Analysis ◽  
Dynamic Analyses ◽  
Rigid Connection ◽  
Rotation Stiffness ◽  
Analytic Models ◽  
Steel Frame Structure

Based on the analysis for 10 series (altogether 50) of finite element analytic models, the time-history analysis is discussed in this paper to investigate the relations between frame parameters of semi-rigid steel frames, these parameters include the frame's floor number, the frame's span number, especially the rotation stiffness of beam-to-column connections. Comparing with the steel frame structure, the ductility of semi-rigid steel frame structure is improved with the reduction in the rotation stiffness of connections. Furthermore, semi-rigid steel frame structure under seismic loads has a good seismic performance.

Seismic Behavior Analysis of Beam-Column Joints of Steel Structure Semirigid

2012 ◽  
Vol 166-169 ◽  
pp. 978-983
Author(s):  
Yanhui Ge ◽  
Guo Su
Keyword(s):  
Finite Element ◽  
Seismic Behavior ◽  
Steel Structure ◽  
Steel Frame ◽  
Frame Structure ◽  
Finite Element Program ◽  
Finite Element Software ◽  
End Plate ◽  
Plate Connection ◽  
Steel Frame Structure

In order to study the seismic behavior of steel frame structure, based on the verification of the finite element program, two different end-plate connections under monotonic load and cyclic load are analysed with the finite-element software ANSYS, considering geometry, material and status nonlinearity. Some parameters such as height of endplate, array of blot, diameter of blot are analysed to study their effects on the seismic behavior of beam-to-column end-plate connection, the bearing capacity of the joint of the framework, the initial rotation stiffness, the ultimate turning power, power-wasting capacity and ductility. The results show that reasonable connection have better power-wasting capacity and ductility , so it can be applicated in multiple-story steel frame structure.

Research on the End-Plate Thickness of Extended End-Plate Connection in Plastic Hinge Theory

2011 ◽  
Vol 467-469 ◽  
pp. 1170-1174
Author(s):  
Xian Lei Cao ◽  
Tao Zhang ◽  
Cui Ling Ma
Keyword(s):  
Design Process ◽  
Plastic Hinge ◽  
Plate Thickness ◽  
Steel Frames ◽  
End Plate ◽  
Extended End Plate ◽  
Plate Connections ◽  
Plate Connection ◽  
Small Deformations ◽  
Plastic Theory

The extended end-plate connections widely used in steel frames, at home and abroad，many countries have given varieties of different methods to determine end-plate thickness. This paper, uses the plastic theory to analyze the end-plate thickness of the figure 7.2.9a in CECS 102：2002 specification, adopts small deformations of geometric relations and the equal principle of work both inside and outside, the prying force issue is considered according to whether deformation bolts do work, and finally discuss the design process of the end-plate thickness. Contrasting present norms, this method can significantly reduce end-plate thickness.

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