JOURNAL BROWSE
Search
Advanced SearchSearch Tips
Development of A Component and Advanced Model for The Smart PR-CFT Connection Structure
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
Development of A Component and Advanced Model for The Smart PR-CFT Connection Structure
Seon, Woo-Hyun; Hu, Jong-Wan;
  PDF(new window)
 Abstract
This study investigates the performance of composite (steel-concrete) frame structures through numerical experiments on individual connections. The innovative aspects of this research are in the use of connections between steel beams and concrete-filled tube (CFT)columns that utilize a combination of low-carbon steel and shape memory alloy (SMA) components. In these new connections, the intent is to utilize the recentering provided by super-elastic shape memory alloy tension bars to reduce building damage and residual drift after a major earthquake. The low-carbon steel components provide excellent energy dissipation. The analysis and design of these structures is complicated because the connections cannot be modeled as being simply pins or full fixity ones they are partial restraint (PR). A refined finite element (FE) model with sophisticated three dimensional (3D) solid elements was developed to conduct numerical experiments on PR-CFT joints to obtain the global behavior of the connection. Based on behavioral information obtained from these FE tests, simplified connection models were formulated by using joint elements with spring components. The behavior of entire frames under cyclic loads was conducted and compared with the monotonic behavior obtained from the 3D FE simulations. Good agreement was found between the simple and sophisticated models, verifying the robustness of the approach.
 Keywords
Shape Memory Alloy(SMA);Partially-restraint (PR);Concrete filled tube (CFT);Finite element (FE);Connections;
 Language
English
 Cited by
 References
1.
ABAQUS v. 6.6-1 (2006), Theory and User's Manual, Hibbit, Karlsson & Sorensen, Inc., Pawtucket, RI.

2.
American Institute of Steel Construction (AISC). (2001), Manual of Steel construction, Load and Resistance Factor Design (LRFD), 3rd Ed., Chicago

3.
Astaneh-Asl, A. (1995), Seismic Design of Bolted Steel Moment-Resisting Frames, Steel Tips published by Structural Steel Educational Council, Technical Informational &Product Service, July

4.
Davide, F. (2003), Shape Alloy Devices in Earthquake Engineering: Mechanical Properties, Constitutive Modeling and Numerical Simulations, Master's thesis, Rose School in Italy.

5.
Mazzoni, S., Mckenna, F., Fenves, G. L. (2006), OpenSEES Command Language Manual v. 1.7.3, Department of Civil Environmental Engineering, University of California, Berkley.

6.
Penar, B. W. (2005), Recentering Beam-Column Connections using Shape Memory Alloys, Master's thesis, Georgia Institute of Technology.

7.
Rassati, G. A., Leon, R. T., and Noe, S. (2004), Component Modeling of Partially Restrained Composite Joints under Cyclic and Dynamic Loading, J.of Structural Engineering, ASCE, v.130, n. 2, pp 343-351 crossref(new window)

8.
Swanson, J. A. and Leon, R. T. (2000), Bolted Steel Connections: Tests on T-Stub Components, J. of Structural Engineering, ASCE, v.126, n.1, pp 50-56 crossref(new window)

9.
Tsai K. C. et al. (2004), Pseudo Dynamic Tests of a Full-Scale CFT/BRB Composite