Tubular Structures XV
Proceedings of the 15th International Symposium on Tubular Structures, Rio de Janeiro, Brazil, 27-29 May 2015

Table of Contents

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 fire
J.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 method
J.P. Jaspart & K.Weynand

Numerical study of through plate-to-CHS connections
A.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. Ummenhofer, D. Ungermann, B. Brune & P. Dissel

Reduction of fillet weld sizes
O. Fleischer & S. Herion

Welding simulation of tubular K-joints in steel S690QH
F. Zamiri, J.-M. Drezet & A. Nussbaumer

Experimental investigation of the static capacity of grade C450 RHS K and N truss joints
Z. Yao & T.Wilkinson

Through-bolts to control ovalization of CHS T-joints under brace member compressive loads
M.A. Mohamed, A.A. Shaat & E.Y. Sayed-Ahmed

Experimental study on static behavior of multi-planar overlapped CHS KK-joints
X.Z. Zhao, S.S. Han, K.H. Hu, Y.Y. Chen & A.H.Wu

Tubular joints with welder-optimized CJP-equivalent welds under high-cycle fatigue loading
X. Qian & P.W. Marshall

Assessment and representation of ductile fracture failure for welded tubular joints
X. Qian

Application of theWeibull stress approach to the prediction of brittle fracture originating from defects at the ends of groove-welded joints
T. Iwashita & K. Azuma

Recent research developments in China on fatigue behaviour of welded joints of concrete-filled tubular trusses
L.W. Tong, K.P. Chen & X.L. Zhao

Fatigue behaviour and detailing of slotted tubular connection
C. Baptista, L. Borges, S. Yadav & A. Nussbaumer

Performance of tube-based moment connections under cyclic loads
D.Wei, J. McCormick, M. Hartigan & M. Fadden

Effect of the secondary bending moment on K-joint capacity
T. Björk, N. Tuominen & T. Lähde

Structural behaviour of cross-sections and members

Assessment of Eurocode 9 slenderness limits for elements in compression
M. Su, B. Young & L. Gardner

Design strength of LDSS flat oval stub column under pure axial compression
K. Sachidananda & K.D. Singh

A new design method for hollow steel sections: the Overall Interaction Concept
J. Nseir, E. Saloumi, M. Hayeck & N. Boissonnade

Experimental characterization of the rotational capacity of hollow structural shapes
E. Saloumi, M. Hayeck, J. Nseir & N. Boissonnade

Effects of cyclic loading on occurrence of brittle fracture in notched specimens
T. Iwashita & K. Azuma

The effect of steel strip on the quality of cold-formed hollow sections
P. Ritakallio

Considerations in the design and fabrication of tubular steel transmission structures
R.M. Slocum

The continuous strength method for circular hollow sections
C. Buchanan, L. Gardner & A. Liew

Use of Ramberg-Osgood material laws in the finite element modeling of cold-formed tubes
M. Hayeck, J. Nseir, E. Saloumi & N. Boissonnade

Strength and ductility evaluation of steel tubular columns under cyclic multiaxial loading
I.H.P. Mamaghani, B. Dorose & F. Ahmad

Experimental study and associated analysis of inner-stiffened cold-formed SHS steel columns
A.Z. Zhu, H.P. Zhu & Y. Lu

On the first order and buckling behaviour of thin-walled regular polygonal tubes
R. Gonçalves & D. Camotim

CFRP strengthened square hollow section subject to pure torsion
J. Sharrock, C.Wu & X.L. Zhao

Author index