Monotonic and cyclic response of bolted connections with welded cover plate for modular steel construction

•An architecturally pleasing connection for modular steel construction was proposed.•Seven full-scaled specimens were tested under monotonic and cyclic load.•Load-transferring mechanism and seismic performance were evaluated and discussed.•The proposed design formula predicts well the bending capaci...

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Veröffentlicht in:Engineering structures 2018-07, Vol.167, p.407-419
Hauptverfasser: Deng, En-Feng, Zong, Liang, Ding, Yang, Dai, Xiao-Meng, Lou, Ni, Chen, Yang
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container_end_page 419
container_issue
container_start_page 407
container_title Engineering structures
container_volume 167
creator Deng, En-Feng
Zong, Liang
Ding, Yang
Dai, Xiao-Meng
Lou, Ni
Chen, Yang
description •An architecturally pleasing connection for modular steel construction was proposed.•Seven full-scaled specimens were tested under monotonic and cyclic load.•Load-transferring mechanism and seismic performance were evaluated and discussed.•The proposed design formula predicts well the bending capacity of the connection. Attributable to the superiority in construction speed and quality, modular steel constructions (MSCs) have been increasingly used for mid-to-high rise buildings with repetitive units. An architecturally pleasing bolted connection with welded cover plate was proposed in this paper to settle the current research limit. Tests on seven full-scaled tee-shape connections made of hollow structural section (HSS) members were conducted under monotonic and cyclic load. The results indicated that all the specimens under monotonic load were capable of developing the full plastic strength of the twin-beams. The twin-beams were found to have individual bending behavior. The current seismic design code GB 50011-2010 and AISC 341-10 were used to evaluate the seismic performance and verify the applicability for seismic design of the proposed connection, demonstrating the satisfactory deformation capacity and ductility. Furthermore, EC3 Part 1–8 was adopted to evaluate the stiffness characteristic of the proposed connection, indicating that the proposed connection can be classified as “semi-rigid” connection. In addition, the design consideration was recommended to predict the bending capacity of the proposed connection. The presented research work will provide useful references for expanding the application of MSCs.
doi_str_mv 10.1016/j.engstruct.2018.04.028
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Attributable to the superiority in construction speed and quality, modular steel constructions (MSCs) have been increasingly used for mid-to-high rise buildings with repetitive units. An architecturally pleasing bolted connection with welded cover plate was proposed in this paper to settle the current research limit. Tests on seven full-scaled tee-shape connections made of hollow structural section (HSS) members were conducted under monotonic and cyclic load. The results indicated that all the specimens under monotonic load were capable of developing the full plastic strength of the twin-beams. The twin-beams were found to have individual bending behavior. The current seismic design code GB 50011-2010 and AISC 341-10 were used to evaluate the seismic performance and verify the applicability for seismic design of the proposed connection, demonstrating the satisfactory deformation capacity and ductility. Furthermore, EC3 Part 1–8 was adopted to evaluate the stiffness characteristic of the proposed connection, indicating that the proposed connection can be classified as “semi-rigid” connection. In addition, the design consideration was recommended to predict the bending capacity of the proposed connection. 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Attributable to the superiority in construction speed and quality, modular steel constructions (MSCs) have been increasingly used for mid-to-high rise buildings with repetitive units. An architecturally pleasing bolted connection with welded cover plate was proposed in this paper to settle the current research limit. Tests on seven full-scaled tee-shape connections made of hollow structural section (HSS) members were conducted under monotonic and cyclic load. The results indicated that all the specimens under monotonic load were capable of developing the full plastic strength of the twin-beams. The twin-beams were found to have individual bending behavior. The current seismic design code GB 50011-2010 and AISC 341-10 were used to evaluate the seismic performance and verify the applicability for seismic design of the proposed connection, demonstrating the satisfactory deformation capacity and ductility. Furthermore, EC3 Part 1–8 was adopted to evaluate the stiffness characteristic of the proposed connection, indicating that the proposed connection can be classified as “semi-rigid” connection. In addition, the design consideration was recommended to predict the bending capacity of the proposed connection. 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Attributable to the superiority in construction speed and quality, modular steel constructions (MSCs) have been increasingly used for mid-to-high rise buildings with repetitive units. An architecturally pleasing bolted connection with welded cover plate was proposed in this paper to settle the current research limit. Tests on seven full-scaled tee-shape connections made of hollow structural section (HSS) members were conducted under monotonic and cyclic load. The results indicated that all the specimens under monotonic load were capable of developing the full plastic strength of the twin-beams. The twin-beams were found to have individual bending behavior. The current seismic design code GB 50011-2010 and AISC 341-10 were used to evaluate the seismic performance and verify the applicability for seismic design of the proposed connection, demonstrating the satisfactory deformation capacity and ductility. 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subjects Architecturally pleasing
Building construction
Cover plates
Cyclic loads
Deformation
Ductility
Ductility tests
High rise buildings
Hollow structural section
Innovative connection
Materials fatigue
Modular construction
Modular steel construction
Seismic activity
Seismic behavior
Seismic design
Seismic engineering
Seismic response
Seismology
Semi-rigid connections
Static behavior
Steel
Steel construction
Stiffness
Welding
title Monotonic and cyclic response of bolted connections with welded cover plate for modular steel construction
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