Overall Design of the Nanjing Jiangxinzhou Yangtze River Bridge
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Bibliographic Details
| Author(s): |
Wei Leyong
(CCCC Highway Consultants Co., Ltd., Beijing, 100088)
Yan Yonglun (CCCC Highway Consultants Co., Ltd., Beijing, 100088) Huang Liji (CCCC Highway Consultants Co., Ltd., Beijing, 100088) Ma Zeng (CCCC Highway Consultants Co., Ltd., Beijing, 100088) Song Yingtong (CCCC Highway Consultants Co., Ltd., Beijing, 100088) |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Congress: Bridges and Structures: Connection, Integration and Harmonisation, Nanjing, People's Republic of China, 21-23 September 2022 | ||||
| Published in: | IABSE Congress Nanjing 2022 | ||||
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| Page(s): | 157-164 | ||||
| Total no. of pages: | 8 | ||||
| DOI: | 10.2749/nanjing.2022.0157 | ||||
| Abstract: |
This paper systematically introduces the overall design concept of the Nanjing Jiangxinzhou Yangtze River Bridge. The main bridge is a three-tower cable-stayed bridge featuring a longitudinal diamond cable tower and dual central cable planes. The bridge span is designed to be a total of 80+218+600+600+218+80 = 1796m. A steel-shell composite cable tower design is adopted, with the main girder including a high-performance steel-coarse aggregate reactive powder concrete （CA-RPC） composite girder structure. The cable tower uses cast-in-situ bored pile group foundations, and the stay cables are formed of steel strands. The south and north approach bridges use segmented prefabricated prestressed concrete box girders. The bridge over the river dyke uses a continuous box girder made of prestressed corrugated steel webs for the 78m span and the construction technology of segmented prefabrication has being used for the first time. Nanjing Jiangxinzhou Yangtze River Bridge has become a classic engineering structure which not only environmentally-friendly, but also meets all requirements of industrial construction attributed to the application of a high-performance composite structure for the main bridge, as well as large-scale prefabricated assembly structures for approach bridges and bridges over river dykes. |
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| Keywords: |
industrial construction Nanjing Jiangxinzhou Yangtze River Bridge steel shell-concrete composite cable tower CA-RPC segmented girder bridge made of corrugated steel webs through prefabricated assembly
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| Copyright: | © 2022 International Association for Bridge and Structural Engineering (IABSE) | ||||
| License: | This creative work is copyrighted material and may not be used without explicit approval by the author and/or copyright owner. |
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