Design and construction of large span tunnels and caverns in Sydney, Australia

Author(s):  
D.A.F. Oliveira
2014 ◽  
Vol 578-579 ◽  
pp. 121-126
Author(s):  
Ji Dong Li ◽  
Lian Jin Tao ◽  
Jun Hai An ◽  
Bin Lin Wu

It is great significance for the design and construction of similar beneath engineering to study the multiple pre-top bracing technology in the subway close-attached undercrossing engineering. In this paper,taking the Beijing 10-line New Gongzhufen station close-attached undercrossing the existing Subway Line 1 Station as background, explored the application of multiple pre-top bracing construction technology, and designed a new kind of top bracing platform system, studied the application of multiple pre-top bracing construction technology in the large span of close-attached undercrossing engineering.


2011 ◽  
Vol 243-249 ◽  
pp. 4511-4515
Author(s):  
Zhuo Li ◽  
Si Hong Liu ◽  
Xu Dong Yang ◽  
Shan Mai ◽  
You Ting Feng

In view of particularity of the Tanglai channels aqueduct,which crosses Beita Lake, the conventional construction methods and technologies fail to work, so the new two-way pre-stressing technology is employed. After the sidewalls in large span structures of aqueduct were pre-fabricated and hoisted,the secondary floor was poured in design and construction plan. The results show that the comprehensive function of aqueduct is implemented in complicated conditions,such as short construction period,larger span of structures,navigation under aqueduct,pre-fabrication and hoisting of larger sidewalls. The stress and deformation of aqueduct meet the requirements of design code.


Author(s):  
Pavel Eremeev ◽  
Ivan Vedyakov ◽  
Andrey Zvezdov

Сonsidered are large-span structures with suspended roof structures with a span of up to 200 m, erected in Russia over the past 40 years. Among them, there are differen types of structures for covering sports facilities: cablestayed systems, structures of the "bicycle wheel" type, combined systems, thin-sheet metal hanging shells, etc. The main technical characteristics of structures, principles of operation of structures, their advantages and disadvantages are given. The development of technologies in recent decades has determined the emergence of new forms, materials, design and construction methods. Unique large-span structures have an increased level of responsibility; their collapse can lead to severe economic and social consequences. In this regard, it is relevant to analyze the experience in the design and construction of large-span suspended structures.


2012 ◽  
Vol 461 ◽  
pp. 589-592
Author(s):  
Da Hua Li ◽  
An Hui Wang ◽  
Yan Mei Chen

Taking Hefei Grand Theatre as an example, this paper discussed the relevant issues in big supporting system for template design and construction. It analyzed bearing capacity checking and the force checking of the main bar. It elaborated the main points in construction of template supporting system. Practice has proved that the design of high-modulus. Long-span template supporting system for the project is feasible. The implementation of the program not only reached the design requirements, but also ensured the construction quality, safety and construction period.


2011 ◽  
Vol 255-260 ◽  
pp. 225-229
Author(s):  
Yun Long Yao ◽  
Shi Lin Dong ◽  
Guang Ying Ma

The stuctural characteristics of large-span annular tensile calbe-truss structural system are introduced. Configuration and classification method for large-span annular tensile calbe-truss structural system are studied based on existing projects and researches, and then several new structural forms are put forward. A series of new composite spatial structures composed of the annular tensile canopy structure and other spatial structure are proposed. The study on classification issues should be beneficial to form-selection, design and construction of such structural system.


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