Open Access Open Access  Restricted Access Subscription or Fee Access

Limited Resistance Rigid Perfectly Plastic Hinges for Steel Frames


(*) Corresponding author


Authors' affiliations


DOI: https://doi.org/10.15866/irece.v8i6.13190

Abstract


The paper concerns the proposal of a new special device for steel frames that can be utilized as external constraint as well as internal one connecting the structure beam elements. The device is designed as a rigid perfectly plastic hinge characterized by suitably chosen stiffness and resistance. Its constituting material is steel. The elastic stiffness and the limit resistance, treated as independent of each other, are fixed with the aim of satisfying special features required to the structure. The proposed device is thought as a sandwich section with wing thickness appropriately variable. Its dimensions are designed so that it can exhibit the fixed independent stiffness and limit resistance. More devices can be utilized for a given frame, and each one can be designed in order to exhibit different stiffness and resistances. These features allow the designer to define a structure with optimal requisites both for serviceability conditions and for severe limit states. The device is connected to the end cross section of the relevant beam element, so that any modification in the shape of the beam elements is avoided. The effected applications are related to simple portal steel frames and they show the great effectiveness and wide applicability of the proposed device.
Copyright © 2017 Praise Worthy Prize - All rights reserved.

Keywords


Structural Devices; Rigid Plastic Hinges; Steel Structures; Elastic Properties; Limit Resistance

Full Text:

PDF


References


J. A. König, G. Maier, Shakedown analysis of elastoplastic structures: A review of recent developments. Nuclear Engineering and Design, Vol. 66(Issue 1):81-95, August 1981.
http://dx.doi.org/10.1016/0029-5493(81)90183-7

C. Polizzotto, A unified treatment of shakedown theory and related bounding techniques. Solid Mechanics Archives, Vol. 7:19–75, 1982.
http://dx.doi.org/10.1007/978-3-7091-2558-8_8

F. Giambanco, L. Palizzolo, A. Caffarelli, Bounds on plastic strains for elastic plastic structures in plastic shakedown conditions, Structural Engineering and Mechanics, Vol. 25 (Issue 1):107-126, January 2007.
http://dx.doi.org/10.12989/sem.2007.25.1.107

D.A. Gokhfeld, D. F. Cherniavsky, Limit Analysis of Structures at Thermal Cycling. (Sijthoff & Noordhoff, The Netherlands, 1980).
http://dx.doi.org/10.1002/zamm.19820620823

S. Kaliszky, J. Lógó, Optimal design of elasto-plastic structures subjected to normal and extreme loads. Computers and Structures, Vol. 84 (Issue 28):1770-1779, November 2006.
http://dx.doi.org/10.1016/j.compstruc.2006.04.009

S. Benfratello, F. Giambanco, L. Palizzolo and P. Tabbuso, Optimal design of steel frames accounting for buckling, Meccanica, Vol. 48 (Issue 9):2281-2298, November 2013.
http://dx.doi.org/10.1007/s11012-013-9745-4

L. Palizzolo, A. Caffarelli, P. Tabbuso, Minimum volume design of structures with constraints on ductility and stability, Engineering Structures, Vol. 68 (Issue 1):47-56, June 2014.
http://dx.doi.org/10.1016/j.engstruct.2014.02.025

K. Marti, Limit load and shakedown analysis of plastic structures under stochastic uncertainty, Computer Methods in Applied Mechanics and Engineering, Vol. 198 (Issue 1):42-51, November 2008.
http://dx.doi.org/10.1016/j.cma.2008.04.022

S. Benfratello, F. Giambanco, L. Palizzolo, Shakedown design of structures under dynamic loading, Advances and Trends in Structural Engineering, Proceedings of the 4th International Conference on Structural Engineering. Mechanics and Computation, SEMC 2010, pp. 1089-1092, Cape Town, South Africa, September 2010.
http://dx.doi.org/10.1201/b15963-47

S. Benfratello, L. Palizzolo and P. Tabbuso, Dynamic shakedown design of structures under repeated seismic loads, Research and Applications in Structural Engineering, Mechanics and Computation - Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2013, CRC press, pp. 241-246, Cape Town, South Africa, September 2013.
http://dx.doi.org/10.1201/b15963-47

S. Benfratello, L. Palizzolo and P. Tabbuso, Optimal design of elastic plastic frames accounting for seismic protection devices, Structural and Multidisciplinary Optimization, Vol 49 (Issue 1):93-106, January 2014.
http://dx.doi.org/10.1007/s00158-013-0959-9

L. Palizzolo, S. Benfratello and P. Tabbuso, Discrete variable design of frames subjected to seismic actions accounting for element slenderness. Computers and Structures, Vol. 147:147-158, January 2015.
http://dx.doi.org/10.1016/j.compstruc.2014.09.016

S. Benfratello, L. Palizzolo and P. Tabbuso, Optimization of structures with unrestricted dynamic shakedown constraints, Structural and Multidisciplinary Optimization, Vol. 52 (Issue 3):431-445, April 2015.
http://dx.doi.org/10.1007/s00158-015-1245-9

S.M.J. Spence, W.C. Chuang, P. Tabbuso, E. Bernardini, A. Kareem, L. Palizzolo and A. Pirrotta, Performance-Based Engineering of Wind Excited Structures: A General Methodology, Geotechnical and Structural Engineering Congress 2016, Proceedings of the Joint Geotechnical and Structural Engineering Congress 2016, pp. 1269-1282, Phoenix, U.S., February 2016.
http://dx.doi.org/10.1061/9780784479742.106

S. Benfratello, M. Di Paola, L. Palizzolo and P. Tabbuso, Evaluation of the shakedown limit load multiplier for stochastic seismic actions, Meccanica, Vol. 52 (11-12): 2735-2750, September 2017.
http://dx.doi.org/10.1007/s11012-016-0600-2

A. Corigliano, G. Maier and S. Pycko, Dynamic shakedown analysis and bounds for elastoplastic structures with nonassociative, internal variable constitutive laws, International Journal of Solids and Structures, Vol. 32 (Issue 21): 3145-3166, November 1995.
http://dx.doi.org/10.1016/0020-7683(94)00265-x

G. Ceradini, Dynamic Shakedown in Elastic-Plastic Bodies, Journal of the Engineering Mechanics Division, Vol. 106 (Issue 3): 481-499, 1980.
http://dx.doi.org/10.1016/0093-6413(95)00063-1

G. Maier, G.Novati, Dynamic shakedown and bounding theory for a class of nonlinear hardening discrete structural models, International Journal of Plasticity, Vol. 6 (Issue 5): 551-572, 1990.
http://dx.doi.org/10.1016/0749-6419(90)90044-f

P. Duc Chinh, Dynamic shakedown and a reduced kinematic theorem, International Journal of Plasticity, Vol. 12 (Issue 8): 1055-1068, 1996.
http://dx.doi.org/10.1016/s0749-6419(96)00041-1

G. Maier, E. Vitiello, Bounds on Plastic Strains and Displacements in Dynamic Shakedown of Work-Hardening Structures, Journal of Applied Mechanics, Vol. 41(Issue 2), 434-440, June 1974.
http://dx.doi.org/10.1115/1.3423306

J. Shen, T. Kitjasateanphun, W. Srivanich, Seismic performance of steel moment frames with reduced beam sections. Engineering Structures, Vol.22 (Issue 8):968–983, June 2000.
http://dx.doi.org/10.1016/s0141-0296(99)00048-6

J Sheng-Jin Chen, Y.C. Chao, Effect of composite action on seismic performance of steel moment connections with reduced beam sections. Journal of Constructional Steel Research, Vol. 57 (Issue 4):417–434, April 2001.
http://dx.doi.org/10.1016/s0143-974x(00)00022-5

C.H. Lee and J.H. Kim, Seismic Design of Reduced Beam Section (RBS) Steel Moment Connections with Bolted Web Attachment, Journal of the Earthquake Engineering Society of Korea, Vol. 8 (Issue 3):87–96, June 2004.
http://dx.doi.org/10.5000/eesk.2004.8.3.087

J. Jin, S. El-Tawil, Seismic performance of steel frames with reduced beam section connections, Journal of Constructional Steel Research, Vol. 61(Issue 4):453–471, April 2005.
http://dx.doi.org/10.1016/j.jcsr.2004.10.006

Moslehi Tabar, A. Deylami, Instability of beams with reduced beam section moment connections emphasizing the effect of column panel zone ductility, Journal of Constructional Steel Research, Vol. 61(Issue 11):1475–1491, November 2005.
http://dx.doi.org/10.1016/j.jcsr.2005.05.006

C.C. Chou, C.C. Wu, C.K Jao, and Y.Y Wang, Weakened and strengthened steel moment connections, 4th International Conference on Earthquake Engineering, Taipei, Taiwan, October 2006.
http://dx.doi.org/10.1002/eqe.931

C.C. Chou, J.H. Chen; Y.C. Chen; and K.C. Tsai, Evaluating performance of post-tensioned steel connections with strands and reduced flange plates, Earthquake engineering and structural dynamics, Vol. 35 (Issue 9):1167–1185, July 2006.
http://dx.doi.org/10.1002/eqe.579

C.C. Chou, and C.C. Wu, Performance evaluation of steel reduced flange plate moment connections, Earthquake engineering and structural dynamics, Vol. 36 (Issue 14):2083–2097, November 2007.
http://dx.doi.org/10.1002/eqe.714

K.C. Tsai, C.C. Chou, C.L. Lin. Tsai, Seismic self-centering steel beam-to-column moment connections using bolted friction devices, Earthquake engineering and structural dynamics, 37 (Issue 4):627–645, April 2008.
http://dx.doi.org/10.1002/eqe.779

C.E. Sofias, C.N. Kalfas, D.T. Pachoumis, Experimental and FEM analysis of reduced beam section moment endplate connections under cyclic loading, Engineering Structures, Vol. 59: 320–329, February 2014.
http://dx.doi.org/10.1016/j.engstruct.2013.11.010

S.A. Kulkarni, G. Vesmawala, Study of steel moment connection with and without reduced beam section, Case Studies in Structural Engineering, Vol. 1: 26–31, June 2014.
http://dx.doi.org/10.1016/j.csse.2014.04.001

Plumier, The dogbone: back to the future, Engineering Journal, Vol. 34 (Issue 2):61–67, 1997.
http://dx.doi.org/10.1017/s0001972000048415

C. Chou, C. C. Wu, C. H. Chou, Seismic behaviour of steel reduced flange plate moment connections, Report No. NCREE-05-017, National Center for Research on Earthquake Engineering, Taipei, Taiwan, 2005.
http://dx.doi.org/10.1002/eqe.714

M. Uang, C. C. Fan, Cyclic stability criteria for steel moment connections with reduced beam section, Journal of Structural Engineering (ASCE), Vol. 127 (Issue 9):1021–1027, 2001.
http://dx.doi.org/10.1061/(asce)0733-9445(2001)127:9(1021)


Refbacks

  • There are currently no refbacks.


Please send any question about this web site to info@praiseworthyprize.com
Copyright © 2005-2024 Praise Worthy Prize