This paper deals with application of nonlinear analysis to study the system's limit state behaviour of cable-tensioned steel structures. The cable tendon is modelled as an equivalent truss element with initial pretensioned force applied either as self-equilibrating axial load or as an equivalent thermal load. The modulus of elasticity of the cable material can be modified to account for the constructional stretch and sagging effects in the cables. Pin-jointed space truss systems are modelled using a plastic-hinge nonlinear formulation, which implicitly satisfies the design specifications for ultimate strength of axially loaded members. Rigid space frame systems are modelled using an elasto-plastic nonlinear frame analysis program. The effectiveness of providing pretensioned cables in improving the limit state behaviour of pin-and rigid-connected space frames is demonstrated through several examples.
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References
1.
LiewJ.Y.R.TangL.K., Advanced Plastic Hinge Analysis for the Design of Tubular Space Frames, Engineering Structures, Elsevier Science, 22, 2000, 769–783.
2.
KitipornchaiS., Advances in nonlinear analysis of spatial and thin-walled structures, Int Num Meth Eng., 1995, 38(5).
3.
Akio HoriSasagawaA, Large Deformation of Inelastic Large Space Frame II: Application, J. Structural Engineering, ASCE, 126(5), 2000, 589–595.
4.
LiewJ Y RChenW.F.ChenH.Advanced inelastic analysis of frame structures, Journal of Constructional Steel Research, UK, 55:(1–3), July 2000, 267–288.
5.
WhiteD. W.LiewJ. Y. R.ChenW. F., ?Toward Advanced Analysis in LRFD?, Plastic Hinge Based Methods for Advanced Analysis and Design of Steel Frames – An Assessment of The State-Of-The-Art, Structural Stability Research Council, Lehigh Univ., Bethlehem, PA., March 1993, 95–173.
6.
ZiemianR.D.McGuireW.DeierleinG.G.Inelastic Limit State Design Part II: – three Dimensional Frame Study, J. Structural Engineering, ASCE, 118(9), 1992.
7.
ChanS.L.ZhouZ. H., On the Development of a Robust element for Second-order Nonlinear Integrated Design and Analysis (NIDA), J Constructional Steel Research, Elsevier, 47(1/2), 1998, 169–190.
8.
HanaorA.LevyR., ?Imposed lack of fit as a means of enhancing space truss design?, Space Structures, Elsevier App. Science, 1, 1985, 147–154.
9.
LevyR.HanaorA.RizzutoN., ?Experimental investigation of prestressing in double-layer grids?, J. Space Structures, 9(1), 1994, 21–26.
10.
BelenyaE., Prestressed load-bearing metal structures, MIR publishers, 1977, 463pp.
11.
PunniyakottyN MLiewJ.Y.R.ShanmugamN.M., Erection of Steelworks by Cable-Tensioning Technique, J Structural Engineering, ASCE, Volume 126, Issue 3, 2000, 361–370.
12.
EekhoutM., ?Advanced glass space structures?, Space Structures 4, Thomas Telford, London, 1993, 2016–2024.
13.
McCllelandN.C.PerryJ.C., ?Glass support structure interaction, analysis and design?, The Third Int. Kerensky Conf. On Global Trends in Structural Engineering, Singapore, 1994, 413–420.
14.
TakeuchiT.Alet., ?A practical design and construction of tension rod supported glazing?, Proc. Of the IASS-ASCE Int. Symposium on Spatial, Lattice and Tension structures, Georgia, 1994, 684–693.
15.
PellegrinoS., ?A class of tensegrity domes?, J. of Space Structures, 7(2), 1992, 127–142.
16.
CampbellD. M.ChenD.GossenP.A.HamiltonK. P., ?Effects of spatial triangulation on the behaviour of Tensegrity domes?, Proc. Of the IASS-ASCE Int. Symposium on Spatial, Lattice and Tension Structures, Georgia, 1994, 652–663.
17.
BuchholdtH. A., An Introduction to Cable Roof Structures, Cambridge Univ. Press, Cambridge, New York, 1985, 257pp.
18.
LiewR J YChenHShanmugamN EChenW F, Spatial instability and second-order plastic hinge analysis of space frame structures, Research Report, CE029/99. Singapore: National University of Singapore, April 1999, 50 pp.
19.
LiewY. J. R.PunniyakottyN. M.ShanmugamN. E., ?Advanced analysis and design of spatial structures?, J. Constr. Steel Res., Elsevier Science, 42(1), 1997, 21–48.
20.
BroughtonP.NdumbaroP., The Analysis of Cable & Catenary Structures, Thomas Telford, London, 1994, 88pp.
21.
LewisW. J.?A comparative study of numerical methods for the solution of pretensioned cable networks?, Proc. Int. Conf. On Non-Conventional Structures, Vol. 2, Civil Comp. Press, Edinburgh, 1987, 27–33.
22.
YangY. B.KuoS. R., ?Theory & Analysis of Nonlinear Framed Structures?, Prentice Hall, Singapore, 1994, 579 pp.
23.
YamadaS.TaguchiT., Nonlinear buckling response of single layer latticed barrel vaults, Proc. Of the IASS-ASCE Int. Symposium on Spatial, Lattice and Tension Structures, Georgia, 1994, 519–528.
24.
BS6399: Part 2, Loading for buildings Part 2: Code of Practice for Wind Loads, British Standards Institution, London, 1995.
25.
BS5950 Part 1, Structural use of steelwork in building Part 1: Code of Practice for Design in Simple and Continuous Construction: Hot Rolled Section, British Standards Institution, London, 1990.
