Design and application of a lining machine of prefabricated components used in triple-hinged arch soft rock tunnels of irrigation works |
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| Authors: | D Xuerang |
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| Institution: | (1) Water Resources Bureau, Engineering & Geological Construction Corp. of Gansu, No. 56, West Hongshangen Rd, Lanzhou, 730000, People's Republic of China |
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| Abstract: | This paper introduces a new machine used to line triple-hinged soft rock tunnels for irrigation works and its method of application. This kind of equipment has been used successfully in the construction of a number of tunnels in the Yindaruqin Irrigation Project in the Gansu Province. Its features are its simple structure, low cost and ease of operation with satisfactory lining results. The machine is, therefore, highly recommended for tunnel lining with prefabricated components. The method of lining tunnels in soft rock with prefabricated components is much faster than in situ concrete; furthermore, it can provide the tunnel with timely support; hence, construction work is much safer and a considerable amount of funds can be saved. The novel design of this machine has won the Gansu Provincial Water Conservancy Science and Technology Progress award. |
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| Keywords: | lining tunnel prefabrication soft rock |
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