Preface Publications of previous international symposia on tubular structures Organization Acknowledgements ISTS Kurobane Lecture Tubular joints – NUS research and applications Y.S. Choo Architecture, applications and case studies Tensegrity chandeliers for a shopping street in the Hague NL M. Eekhout New velodrome in Medellín (Colombia) X. Aguiló & J. Gomà Reconstruction of a school building inWolfsburg, Germany H. Pasternak, M. Moradi Eshkafti & T. Krausche Structural design of the roof structure for the SwissTech convention center in Lausanne C. Pirazzi, M. Bosso, G. Guscetti, O. Fleischer & S. Herion MyZeil Frankfurt – Design and execution of the architectural building envelope R. Stroetmann Where tubular structures fail – examples from one engineer’s experience R.H. Keays PREON box – The speedy tool for industrial hall constructions N. Genge, C. Remde, K.Weynand & J. Kuck Composite tubular structures Study on the cracking behavior of Concrete Filled Steel Tube (CFST) for tall bridge piers subjected to horizontal cyclic loading M. Zhou, X.G. Liu, J.S. Fan & J.G. Nie Circular double-tube concrete-filled tubular columns with ultra-high strength concrete M.L. Romero, A. Espinós, A. Hospitaler, J.M. Portolés & C. Ibañez Experimental study of beam to concrete filled elliptical steel column connections T. Sheehan, J. Yang, X.H. Dai & D. Lam Effect of bolt gauge distance on the behaviour of anchored blind bolted connection to concrete filled tubular structures M. Mahmood,W. Tizani & C. Sansour Beam to concrete-filled rectangular hollow section column joints using long bolts V.L. Hoang, J.F. Demonceau & J.P. Jaspart Influence of outer diameter in confinement effect of CFT sections under bending A.A. Valls & J.M. Carreras Casting of composite concrete-filled steel tube beams with self-consolidating concrete J.M. Flor, R.H. Fakury, R.B. Caldas, F.C. Rodrigues & A.H.M. de Araújo Analytical behaviour of concrete-encased CFST column to steel beam joints W. Li,W.W. Qian, L.H. Han & X.L. Zhao Composite columns made of concrete filled circular hollow sections in fire case and with restrained thermal elongation – numerical and experimental analysis T.A.C. Pires, J.P.C. Rodrigues & J.J.R. Silva Buckling resistance of concrete-filled steel circular tube columns composed of high-strength materials M. Karmazínová Time-dependent response of three-hinged CFST arches M.A. Bradford & Y.-L. Pi Earthquake resistance Elliptical-hollow-section braces under cyclic axial loading Y.M. Huai, T.M. Chan & W.Wang Seismic response and damage distribution of concrete filled steel tube frame K. Goto Seismic design of partially concrete-filled steel tubular columns with enhanced ductility I.H.P. Mamaghani Fire resistance Optimal economic design of unprotected circular concrete-filled steel tubular columns at ambient temperature and under fire condition D. Hernández-Figueirido, A. Piquer, J.M. Portolés, A. Hospitaler & J.M. Montalvá Structural analysis of tubular truss in fireJ.A. Diez Albero, T. Tiainen, K. Mela & M. Heinisuo Effects of truss behavior on critical temperatures of welded steel tubular truss members exposed to fire E. Ozyurt & Y.C.Wang Fire performance of innovative slender concrete filled steel tubular columns A. Espinós, M.L. Romero, E. Serra, V. Albero & A. Hospitaler Impact, blast and robustness Experimental and theoretical development for pipe-in-pipe composite specimens under impact X. Qian & Y.Wang Field blast testing and FE modelling of RHS members C. Ritchie, J.A. Packer, M. Seica & X.L. Zhao Behaviour of reverse channel tension zone subjected to impact loads P. Barata, J. Ribeiro, A. Santiago & M.C. Rigueiro Offshore structures Tubular based support structures for offshore wind turbines J. Müglitz, S.Weise, J. Hermann, U. Mückenheim & K.A. Büscher Stinger design for Pioneering Spirit – the world’s largest pipelay vessel Y. Yu, J. van der Sman & J. van Lammeren Comparative assessment of the design of tubular elements according to offshore design standards and Eurocode 3 T. Manco, J.P. Martins, L.S. da Silva & M.C. Rigueiro Stainless and high strength steel structures Low cycle fatigue of high-strength steel tubes with longitudinal attachments J. Hrabowski, S. Herion & T. Ummenhofer Local and local-overall buckling behaviour of welded stainless steel box section columns H.X. Yuan, X.X. Du, Y.Q.Wang, Y.J. Shi, L. Gardner & L. Yang Experimental investigation of cold-formed high strength steel tubular sections undergoing web crippling H.T. Li & B. Young Behaviour of eccentrically loaded ferritic stainless steel stub columns O. Zhao, L. Gardner, B. Rossi & B. Young CFRP strengthened cold-formed stainless steel tubular sections subjected to concentrated loading under ITF loading condition F. Zhou, P. Huang & H. Peng Tests on ferritic stainless steel simply supported and continuous SHS and RHS beams I. Arrayago, E. Real & E. Mirambell Behaviour of bridging mega-truss tubular structures fabricated from S690 steel plates: Part I – Structural aspects S.P. Chiew, K.W. Cheng & C.K. Lee Behaviour of bridging mega-truss tubular structures fabricated from S690 steel plates: Part II – Material aspects K.W. Cheng, S.P. Chiew & C.K. Lee Compressive behavior of innovative hollow long fabricated columns utilizing high strength and ultra-high strength tubes F. Javidan, A. Heidarpour, X.L. Zhao & J. Minkkinen Innovative corrugated hollow columns utilizing ultra high strength steel tubes M. Nassirnia, A. Heidarpour, X.L. Zhao & J. Minkkinen New experimental determination of fatigue strength of tubular truss joints in steel grades up to S690 S. Herion, T. Ummenhofer, M. Veselcic, F. Zamiri & A. Nussbaumer Connections Stress concentration factors of square bird-beak SHS T-joints under brace axial loading B. Cheng, Q. Qian, J.C. Zhao, Z.A. Lu & X.L. Zhao Experimental evaluation of the directional strength increase for fillet welds to rectangular hollow sections J.A. Packer, M. Sun, P. Oatway & G.S. Frater Investigation of weld effective length rules for RHS overlapped K-connections K. Tousignant & J.A. Packer Experimental investigation of built-in replaceable links in external diaphragm connection between steel I-beam and CHS column M. Khador & T.M. Chan Structural behaviour of T RHS joints subjected to chord axial force A. Nizer, L.R.O. de Lima, P.C.G. da S. Vellasco, S.A.L. de Andrade, E. da S. Goulart, A.T. da Silva & L.F. da C. Neves Influence of tensile chord stresses on the strength of CHS X-joints – Experimental and numerical investigations A. Lipp & T. Ummenhofer Tension testing of welds for X-joints with CHS branches to SHS chord W.Wang, Q. Gu & J.J.Wang Influence of the vent hole shape on the strength of RHS K-joints in galvanized lattice girders. A numerical study M.A. Serrano-López, C. López-Colina, J. Díaz-Gómez, F. López-Gayarre & G. Iglesias-Toquero Design of hollow section joints using the component methodJ.P. Jaspart & K.Weynand Numerical study of through plate-to-CHS connectionsA.P. Voth & J.A. Packer A new design equation for side wall buckling of RHS truss X-joints J. Becque & T.Wilkinson Performance of non-diaphragm joint of H-beam to RHS column with partially thickened wall Y. Chen, L. Zhang & W. Jiao Analysis of the possible failure modes in CSH bolted sleeve connections L.R. Amparo, A.M. Sarmanho, A.H.M. de Araújo & J.A.V. Requena RHS beam-to-column connection: Experimental analysis of innovative bolted typology G.B. dos Santos, E. de M. Batista & A.H.M. de Araújo Finite element simulations of 450 grade cold formed K and N joints M. Mohan & T.Wilkinson Axially loaded K joints made of thin-walled rectangular hollow sections O. Fleischer, R. Puthli, T. Ummenhofer & J.Wardenier T joints with chords made of triangular hollow sections O. Fleischer, S. Herion, T. U