A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
End-Plate Beam-to-Column Joints in the Steel Framework
An integral element in the steel frame of a multistoried building is the joints of beams with columns. Accounting for their actual response allows more accurately and reliably assess the stress-strain state of the entire frame and correctly designing the building. End-plate beams-to-columns joints are widespread and commonly used due to reliability, simplicity of design and installation. By the response, end-plate joints the most often occupy an intermediate position between rigid joints and flexible joints. The flexibility of joints is affected by their design, bolts pretension, and ratio of column and beam stiffness. Initial imperfections have a significant influence on the response of the end-plate joints. It can be caused by tolerances and offset in rolling-steel, deviations from the design geometry during building erection. This article analyzes Russian and international experience in structural calculating and designing end-plate joints in steel constructions. The issues of the importance of taking into account the response of the elements of joint and the necessity to develop a methodology for calculating this type of connections, including initial gaps between adjacent surfaces. A program for investigating the influence of initial gaps with the choice of mathematical methods for analyzing numerical data is presented. A method for estimating the confidence interval of the change in the characteristics of the joint, considering by the rolling-steel imperfections is proposed.
End-Plate Beam-to-Column Joints in the Steel Framework
An integral element in the steel frame of a multistoried building is the joints of beams with columns. Accounting for their actual response allows more accurately and reliably assess the stress-strain state of the entire frame and correctly designing the building. End-plate beams-to-columns joints are widespread and commonly used due to reliability, simplicity of design and installation. By the response, end-plate joints the most often occupy an intermediate position between rigid joints and flexible joints. The flexibility of joints is affected by their design, bolts pretension, and ratio of column and beam stiffness. Initial imperfections have a significant influence on the response of the end-plate joints. It can be caused by tolerances and offset in rolling-steel, deviations from the design geometry during building erection. This article analyzes Russian and international experience in structural calculating and designing end-plate joints in steel constructions. The issues of the importance of taking into account the response of the elements of joint and the necessity to develop a methodology for calculating this type of connections, including initial gaps between adjacent surfaces. A program for investigating the influence of initial gaps with the choice of mathematical methods for analyzing numerical data is presented. A method for estimating the confidence interval of the change in the characteristics of the joint, considering by the rolling-steel imperfections is proposed.
End-Plate Beam-to-Column Joints in the Steel Framework
Lecture Notes in Civil Engineering
Akimov, Pavel (editor) / Vatin, Nikolai (editor) / Tusnin, Aleksandr (editor) / Doroshenko, Anna (editor) / Tusnin, Alexander (author) / Platonova, Valeria (author)
2022-09-03
11 pages
Article/Chapter (Book)
Electronic Resource
English
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