| Abstract [eng] |
Cable-stayed bridges are one of the most expressive and technically effective bridges. Cable-stayed bridges distinguished by a variety of structural forms, which allows the design of technically and economically rational and architecturally expressive structures. The use of tensegrity systems in cable-stayed bridge design can improve these properties. However, Despite the advantages of tensegrity systems their use in large structures is limited due to excessive deformations under heavy loading and the current lack of analytical tools to study and design tensegrity structures. Development of new methods, experimental and analytical research are subjects of extensive studies all around the world. This thesis is an analysis of application of tensegrity systems for the form-finding of cable-stayed bridges. In the first section of the thesis brief historical review and concept of both, cable-stayed bridges and tensegrity systems are presented. Further review of tensegrity systems characteristics, applications, and existing examples are performed. The second section of the thesis is the analysis of form-finding methods of tensegrity systems. An approach of form-finding is suggested and computational algorithm has been written. In the third section form-finding of cable-stayed bridge composed of tensegrity modules was performed. Obtained geometry of the bridge further analysed with finite element program. The last section of the thesis concludes the results of the study. Furthermore, it provides the findings and recommendations for future research. The main parts of the thesis are: introduction, review of cable-stayed bridges and tensegrity systems, analysis of the form-finding methods of tensegrity systems, analysis of cable-stayed bridge by using tensegrity system, conclusions, references and appendices. Thesis consists of 82 pages of text, 80 figures, 14 tables, 114 references. Appendices. |
