12th International Conference on

SS14 - Steel, Space & Composite structures 2014

28-30 May 2014 Prague, Czech Republic

for further information please visit www.cipremier.com

 

The SS14 Conference Lecture will be delivered by

janata_photo

Vladimír Janata

Chief engineer,

Steel Structures Design Department,

EXCON, a.s.

Czech republic

sportovni_hala_chomutov_foto_(c)_tomas_maly_MG_8738

TENSIONED STEEL STRUCTURES, CASE STUDIES

ABSTRACT

The application of prestressed tendons has an essential influence on architectural expression of   large-span structures. Slender steel structures with prestressed tendons are mostly cost effective (considering the ratio of weight and cost to load bearing capacity). Wider use of this type of structures is enabled due to the improvements in CAD and FEM methods, the accessibility of new materials and products, and the possibility of simple and exact methods of the prestressing and its measurement. Basic principles and special problems of prestressed structures are presented on some examples of existing and planed structures. One of the basic objects of the prestressing is to avoid the compressive forces in slender tendons at any load configuration.

Prestressed tendons can replace compressive members in this case. Structures can be also simply pre-deformed by them, in order to reduce deformations caused by applied loading and positively re-distribute internal forces.  Prestressing can reduce or eliminate non-linear character of long tendons due to sag, or modify the dynamic characteristics of a structure. Methods of prestressing should be simple and measurements methods of prestressing should be reliable. Preferably two independent methods are to be used. Prestressing cannot be usually applied all at once. The effect of mutual interaction of successively prestressed tendons has to be taken into account. Different statical models must be considered in various phases of erection and prestressing. Thanks to the linear programming methods prestressing procedure can be optimised to reach the shortest way and best reachable accuracy of prestressing.

Case studies presented in the paper will present above mentioned procedures, methods on existing structures executed during last ten years.  

 

Conference Organizing Committee

Conference SS14 Chairman

Prof Frantisek Wald, Czech Technical University in Prague,

Czech Republic

Conference Series Chairman

A/Prof SingPing Chiew, Nanyang Technological University,

Singapore

Members

‐Prof Yong Bo Shao, Yantai University, China

‐Er John S Y Tan, CI‐Premier Pte Ltd (director)

‐Ms Peggy L P Teo, CONLOG (secretariat)

 

Advisors confirmed to date:

‐Prof Robert Beale, Oxford Brookes University, United Kingdom

-Prof Mark A Bradford, The University of New South Wales, Australia

-Prof Murude Celikag, Eastern Mediterranean University,

North Cyprus

‐Prof Daniel Dan, Politehnica University of Timisoara, Romania

-Prof Hans De Backer Universiteit Gent, Belgium

-Prof Guo-Qiang LI, Tongji University, China

‐Prof Hartmut Pasternak, Brandenburg University of Technology,

Germany

‐Prof Brian Uy, The University of New South Wales, Australia

-Prof Y C Wang,University of Manchester, United Kingdom

-Prof Eiki Yamaguchi, Kyushu Institute of Technology, Japan

‐Toshitaka Yamao, Kumamoto University, Japan

 

Conference Lecture:

‐Vladimír Janata, EXCON, a.s, Czech Republic

               “TENSIONED STEEL STRUCTURES, CASE STUDIES”

 

Keynote Speakers:

-Prof Mark A. Bradford, The University of New South Wales, Australia

“Title to be advised”

-Prof M Celikag, Eastern Mediterranean University, North Cyprus

“Performance Evaluation Of 2-D Moment Frames With High Strength Steel End-Plate Connections”

by Murude Celikag*, Hashem Alhendi and Onur Ejder 

-Prof Ayse Daloglu, Karadeniz Technical University, Turkey

“Optimizations Of Steel Frame Systems With Composite Beams By Using Genetic Algorithm” by Musa Artar and Ayse Daloglu*

-Prof Hans De Backer Universiteit Gent, Belgium

               “Strain gauge measurements to support research of steel structures”

by Hans De Backer, Amelie Outtier, Ken Schotte, Dries Stael, Wim Nagy, Philippe Van Bogaert

-Prof Guo-Qiang LI, Tongji University, China

“The Practical Approach for Predicting Progressive Collapse of Steel Frames subjected to Blast”

by Guo-Qiang LI and Tao-Chun Yang

‐Hartmut Pasternak, Brandenburg Univ of Technology

“Improved  Approach of the Load Bearing Capacity of Welded I-Profiles from High-Strength Steel Considering Realistic Residual Stresses” by H. Pasternak a, B. Launert

-Prof Brian Uy, The University of New South Wales, Australia

“Innovative connections for the demountability and rehabilitation of steel, space and composite structures” by Brian Uy

-Prof F Wald, Czech Technical University, Czech Republic

“To advanced design of structural steel connections: BY František Wald

-Prof Y C Wang,University of Manchester, United Kingdom

“Preventing fire-induced progressive collapse of steel framed structures - a scenario analysis”

by Y C Wang*

-Prof Eiki Yamaguchi, Kyushu Institute of Technology, Japan

               “Application Of High-Performance Steel To Girder Of

Compact I-Shaped Section” by  E Yamaguchi, Y Sugimura and K Ohmichi

 

Special Sessions:

1. Topic: "FRP Composites in Civil Engineering"

Organiser: Daniel Dan, Politehnica University of Timisoara,

Romania

2. Topic: "Concrete Filled Steel Structure"

Organiser: BaoChun Chen, Fuzhou Unversity, China

3. Topic: "Scaffolding Steel"

Organiser: Robert Beale, Oxford Brookes University, U.K.

 

Conference SS14 International Advisors:

‐Prof Robert Beale, Oxford Brookes University, United Kingdom

-Prof Mark A Bradford, The University of New South Wales, Australia

-Prof Murude Celikag, Eastern Mediterranean University,

North Cyprus

‐Prof Daniel Dan, Politehnica University of Timisoara, Romania

-Prof Hans De Backer Universiteit Gent, Belgium

-Prof Guo-Qiang LI, Tongji University, China

‐Prof Hartmut Pasternak, Brandenburg University of Technology,

Germany

‐Prof Brian Uy, The University of New South Wales, Australia

-Prof Y C Wang,University of Manchester, United Kingdom

-Prof Eiki Yamaguchi, Kyushu Institute of Technology, Japan

‐Toshitaka Yamao, Kumamoto University, Japan