Span Limitation of Self-anchored Cable-stayed Bridges and Possibility on Further Extension Using Partially Earth-anchored System
| Author(s): |
Masatsugu Nagai
|
|---|---|
| Medium: | conference paper |
| Language(s): | English |
| Conference: | 35th Annual Symposium of IABSE / 52nd Annual Symposium of IASS / 6th International Conference on Space Structures: Taller, Longer, Lighter - Meeting growing demand with limited resources, London, United Kingdom, September 2011 |
| Published in: | IABSE-IASS 2011 London Symposium Report |
| Year: | 2011 |
| Abstract: |
This paper gives a span limitation of self-anchored cable-stayed bridges from mechanical and economic considerations. The limit span is controlled from economical viewpoint, which is cost comparison between cable-stayed and suspension bridges. From 1200 to 1400-meter span will be the limit. Possibility of further extension by employing partially earth-anchored system is presented. The mechanical advantage of this system is minor and, taking into account of constructability, it is given that realization from practical viewpoint will be hopeless. |
| Keywords: |
cable-stayed bridges self-anchored system suspension bridges Instability span limitation partially earth-anchored system
|
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10065414 - Published on:
03/10/2011 - Last updated on:
05/07/2021
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