Tubular Structures XII: Proceedings of Tubular Structures XII, Shanghai, China, 8-10 October 2008 (No. 12)

Table of contents......Page 6
Preface......Page 12
Publications of the previous symposia on tubular structures......Page 14
Organisation......Page 16
Acknowledgements......Page 18
ISTS Kurobane lecture......Page 20
High strength steels and cast steel nodes for tubular structures-investigations, applications and research results......Page 22
Plenary session A: Applications & case studies......Page 38
Design and research of welded thin-wall box components for the National Stadium......Page 40
Aquatic Center Maria Lenk - Tubular structure roof - Design, construction......Page 56
Structures and erection methods of concrete filled steel tubular arch bridges......Page 62
Design of steel towers for Skylink Tramway......Page 70
Analysis and design of hollow steel section folded plate—the hall of Petroleum Science and Technology Museum......Page 80
Welded tubular structure for the Zadar dome......Page 86
Parallel session 1: Composite construction (reviewed by L. Gardner & X.Z. Zhao)......Page 92
The interaction of steel tube and concrete core in concrete-filled steel tube columns......Page 94
Design calculations on concrete-filled thin-walled steel tubes subjected to axially local compression......Page 104
Examination of yield stress limitation for concrete filled steel tube (CFT) column using SM570TMC steel......Page 112
Behaviour of slender high strength concrete filled tubular columns......Page 122
Stability of concrete filled CFRP-steel tube under axial compression......Page 130
Parallel session 2: Fatigue & fracture (reviewed by S. Herion & A. Nussbaumer)......Page 136
Fatigue modeling for partially overlapped CHS K-joints with surface crack......Page 138
Simplified micromechanics model to assess constraint effect on brittle fracture at weld defects......Page 146
Advanced numerical modelling of fatigue size effects in welded CHS K-joints......Page 154
Further experimental study into applicability of FAD approach to beam-column connections with weld defects......Page 164
Approaches for fatigue design of tubular structures......Page 172
Tests of welded cross-beams under fatigue loading......Page 182
Parallel session 3: Static strength of joints (review by G.J. van der Vegte & B. Young)......Page 190
Parametric finite element study of branch plate-to-circular hollow section X-connections......Page 192
Load-carrying capacity study on T- and K-shaped inner-stiffened CHS-RHS joints......Page 202
Experimental study on overlapped CHS KK-joints with hidden seam unwelded......Page 212
Behaviour of semi-rigid steelwork connections of I-section beams to tubular columns......Page 220
Shear capacity of hollow flange channel beams in simple connections......Page 228
Parallel session 4: Seismic......Page 236
Comparative study of stainless steel and carbon steel tubular members subjected to cyclic loading......Page 238
Seismic response of circular hollow section braces with slotted end connections......Page 246
Seismic performance of encased CFT column base connections......Page 254
Tubular steel water tank tower dynamic analysis......Page 262
Elasto-plastic behavior of circular column-to-H-shaped-beam connections employing 1000 N/mm2-class super-high-strength steel......Page 268
Plenary session B: Specification & code development......Page 278
New IIW (2008) static design recommendations for hollow section joints......Page 280
Evaluation of the new IIW CHS strength formulae for thick-walled joints......Page 290
Comparison of the new IIW (2008) CHS joint strength formulae with those of the previous IIW (1989) and the new API (2007)......Page 300
Extending existing design rules in EN1993-1-8 (2005) for gapped RHS K-joints for maximum chord slenderness (b/t) of 35 to 50 and gap size g to as low as 4t......Page 312
Plenary session C: Design rules & evaluation......Page 322
Recent development and applications of tubular structures in China......Page 324
Evaluation of new CHS strength formulae to design strengths......Page 332
Structural design rules for elliptical hollow sections......Page 342
Application of new Eurocoe 3 formulae for beam-columns to Class 3 hollow section members......Page 350
Re-evaluation of fatigue curves for flush ground girth welds......Page 360
Parallel session 5: Fatigue & fracture (reviewed by P. Marshall & F. Mashiri)......Page 368
Experimental determination of stress intensity factors on large-scale tubular trusses......Page 370
Stress intensity factors of surface cracks in welded T-joints between CHS brace and concrete-filled CHS chord......Page 378
Failure assessment of cracked Circular Hollow Section (CHS) welded joints using BS7910: 2005......Page 386
Effect of chord length ratio of tubular joints on stress concentration at welded region......Page 394
Welded KK-joints of circular hollow sections in highway bridges......Page 400
Experimental comparison in hot spot stress between CFCHS and CHS K-joints with gap......Page 408
Parallel session 6: Composite construction (reviewed by L.H. Han & M. Lefranc)......Page 416
Behaviour and design of hollow and concrete filled stainless steel square sections subjected to combined actions......Page 418
Test and analysis on double-skin concrete filled tubular columns......Page 426
Flexural limit load capacity test and analysis for steel and concrete composite beams with tubular up-flanges......Page 432
Parametric analysis of blind-bolted connections in a moment-resisting composite frame......Page 440
Steel-concrete composite full strength joints with concrete filled tubes: design and test results......Page 450
Development of an effective shearhead system to eliminate punching shear failure between flat slabs and tubular columns......Page 460
Special session: CIDECT President's Student Awards Research Award Competition......Page 468
Cast steel connectors for seismic-resistant tubular bracing applications......Page 470
High strength concrete-filled tubular steel columns in fire......Page 480
Experimental study on SCFs of welded CHS-to-concrete filled CHS T-joints under axial loading and in-plane bending......Page 488
Design Award Competition......Page 496
Modular viewing tower......Page 498
Design of a single large-span roof structure for Rotterdam Zoo 'Blijdorp'......Page 506
Design and development of a public leisure center made up of tropical garden and an indoor swimming pool in the City of Valencia [Spain]......Page 510
Parallel session 7: Welding & cast steel (reviewed by R. Puthli & J. Ding)......Page 516
Selection of butt welding methods for joints between tubular steel and steel castings under fatigue loading......Page 518
Welding recommendations for modern tubular steels......Page 526
Non-linear finite element simulation of non-local softening for high strength steel material......Page 534
Experimental research and design for regular and irregular cast steel joints in tubular structures......Page 540
Non-linear analysis of ultimate loading capacity of cast tubular Y-joints under axial loading......Page 548
Parallel session 8: Static strength of members/frames (reviewed by J.A. Packer & B. Uy)......Page 552
Structural performance of stainless steel oval hollow sections......Page 554
Study on columns with rounded triangular section in Henan TV tower......Page 564
Numerical modeling and design approach of aluminum alloy tubular columns......Page 572
Experimental research on beams with tubular chords and corrugated steel webs......Page 582
Simulation of CFRP strengthened butt-welded Very High Strength (VHS) circular steel tubes in tension......Page 590
Parallel session 9: Static strength of joints (review by J. Wardenier & Q.L. Zhang)......Page 596
Reanalysis of the moment capacity of CHS joints......Page 598
Experimental research and parameter analysis on rigidity of unstiffened tubular X-joints......Page 608
Numerical investigations on the static behaviour of CHS X-joints made of high strength steels......Page 616
Local joint flexibility of tubular circular hollow section joints with complete overlap of braces......Page 626
Experimental research on large-scale flange joints of steel transmission poles......Page 634
Parallel session 10: Fire......Page 642
Fire resistance design of externally protected concrete filled tubular columns......Page 644
Interaction diagrams for concrete-filled tubular sections under fire......Page 654
Experimental study of the behaviour of joints between steel beams and concrete filled tubular (CFT) columns in fire......Page 660
A numerical investigation into the temperature distribution of steel hollow dual tubes......Page 670
Thermoelastic behaviour of elastically restrained tubular steel arches......Page 678
Author index......Page 688