The Study of Destruction Status of Inclined Shaft Second Lined in Liangshui Tunnel

Abstract:

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The tunnel in Liangshui goes through bad geological areas, so it makes the construction work difficult. The overall length of the inclined shaft is 372 meters, and the longitudinal slope is 9.28 downgrade. The surrounding rock deformation appears and the vault subsides, and the joist steel deformation and second lined concrete crack happens too, with serious phenomenon of polenta uplift. The reasons for these phenomena are weakness of supporting structure and stiffness and the function of water as analyzed. In accordance with these phenomena, measures such as adding arch frame, grouting small catheter, steel, anchor and increasing shot concrete strength and increasing thickness, as well as making downstream slope, ditch and sink were taken, so as to make sure of the smoothness of the construction work.

Info:

Periodical:

Advanced Materials Research (Volumes 228-229)

Edited by:

Quanjie Gao

Pages:

1181-1184

DOI:

10.4028/www.scientific.net/AMR.228-229.1181

Citation:

N. Liu et al., "The Study of Destruction Status of Inclined Shaft Second Lined in Liangshui Tunnel", Advanced Materials Research, Vols. 228-229, pp. 1181-1184, 2011

Online since:

April 2011

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$35.00

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