Open Journal Systems

Experimental Study and Finite Element Analysis on Seismic Perfor-mance of Fabricated Frames with Mechanical Connections of Rein-forcement

Rongxuan Tian

Article ID: 1053
Vol 3, Issue 1, 2019, Article identifier:

VIEWS - 194 (Abstract) 95 (PDF)

Abstract

In order to study the seismic performance of assembled composite beam-precast column frame structure with steel sleeve extrusion lap connection, the failure mode, deformation capacity and bearing capacity of two 1/2-scale, two-story and two-span assembled frame specimens were studied through quasi-static tests. The test results show that: Both the specimens designed as "strong column and weak beam" and the specimens designed as "strong beam and weak column" achieve the expected failure modes. The horizontal force-displacement hysteretic curve of the specimen is relatively full.  The ultimate interlayer displacement angles of the two specimens are 1/29 and 1/31 respectively, and the ductility coefficient of interlayer displacement is greater than 4.0, which indicates that the specimens have good ductility performance. The sleeve extrusion lap joint can effectively transfer the tensile and compressive forces of steel bars. The finite element analysis program MSC.MARC is used to carry out nonlinear numerical simulation on the assembled frame specimens. The simulation results are in good agreement with the test results. The horizontal force-displacement curves of specimens KJ1 by cast-in-situ frame pushover analysis and by assembled frame pushover analysis are basically consistent. The seismic performance of the assembled concrete frame with steel sleeve extrusion connection meets the requirements of the current code, and the internal force, deformation and bearing capacity can be calculated according to the cast-in-place frame.


Keywords

Fabricated frame; Mechanical connection of steel bars; Quasi-static test; Seismic performance; Finite ele- ment analysis

Full Text:

PDF

References

Priestley M J N, Sritharan S, Conley J R, et al. Preliminary results and conclusions from the PRESS five-story pre-cast concrete test building [J]. PCI Journal, 1999(6): 42-67

Blandon J J, Rodriguez M E. Behavior of connections and floor diaphragms in seismic-resisting precast con-crete buildings [J]. PCI Journal, 2005, 50(2): 56-75

Xue Weichen, Yang Xinlei, Wang Yun, et al. Experimental Study on Seismic Performance of Cast-in-situ Column Composite Beam Frame Joints [J]. Journal of Architecture and Architecture, 2008, 29 (6): 9-17

Yang Xinlei, Xue Weichen, Dou Zurong, et al. Two-storey and two-span cast-in-situ column superposition Ex-perimental Study on Seismic Performance of Beam Frames [J]. Journal of Building Structures, 2008, 29 (6): 18-24

Xue Weichen, Yang Xinlei, Wang Yun, et al. Experimental Study on Seismic Performance of Six-storey and Two-span Cast-in-situ Column Precast Beam Frame [J]. Journal of Architecture and Architecture, 2008, 29 (6): 25-32

Luo Qinger, Wang Yun, Weng Yuhui, et al. Experimental Study on Assembled Integral Concrete Frames [J]. Spe-cial Structures, 2008, 25(4): 55-58

JGJ 107-2016 Technical Specification for Mechanical Connection of Reinforcement [S]. Beijing: China Con-struction Industry Press, 2016

Li Ningbo, Qian Jiaru, Ye Lieping, et al. Experimental Study on Seismic Performance of Precast Reinforced Con-crete Shear Walls Joined by Compression of Vertical Steel Sleeves [J]. Journal of Building Structures, 2016, 37 (1): 31-40

Li Ningbo, Qian Jiaru, Liu Shiwei, et al. Experimental study on seismic behavior of prefabricated shear walls with partially vertically distributed steel sleeve tube extrusion connection [J]. Journal of Civil Engineering, 2016, 49 (7): 36-48

Zhang Weijing, Guo Yuanyuan, Liu Shiwei. Experimental Study on Seismic Performance of Precast RC Columns Joined by Steel Sleeve Extrusion [J]. Engineering Mechanics, 2016, 33 (12): 119-127

Zhao Zuozhou, Han Wenlong, Qian Jiaru, et al. Experimental study on seismic behavior of joints in inte-gral beam-column with steel sleeve extrusion connection [J]. Journal of Architectural Structure, 2017, 38 (4): 45-53

GB 50010—2010 Code for Design of Concrete Structures [S]. Beijing: China Construction Industry Press, 2010

JGJ/T 101-2015 Code for Seismic Tests of Buildings [S]. Beijing: China Construction Industry Press, 2015

GB 50011—2010 Code for Seismic Design of Buildings [S]. Beijing: China Construction Industry Press, 2010

Légeron F, Paultre P. Uniaxial confinement model for normal-and high-strength concrete columns [J]. Journal of Structural Engineering, 2003, 129(2): 241−252

Esmaeily A, Xiao Y. Behavior of reinforced concrete columns under variable axial loads: analysis [J]. ACI Struc-tural Journal, 2005, 102(5): 736−744

L iu Jinhai, Li Guolu, Hao Xiaoyan, et al. Correlation between microstructure and tensile behavior of ductile iron [J]. Casting Technology, 2009, 30 (3): 329-332


DOI: http://dx.doi.org/10.18063/scr.v3i1.1053
(194 Abstract Views, 95 PDF Downloads)

Refbacks

  • There are currently no refbacks.


Copyright (c) 2019 Rongxuan Tian

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Recent Articles | About Journal | For Author | Fees | About Whioce

Copyright © Whioce Publishing Pte Ltd. All Rights Reserved.