Hollow Effect Induced by Vibration in Cross-Harbor Tunnel

Abstract:

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The article was based upon analysis of the front-and-back surface vibration velocity of the working surface by monitoring the blasting operation at hidden digging section of Jiaozhou Bay cross-harbour tunnel in Tuandao road exit ramp. Research shows that the maxim-um value of the surface blasting vibration velocity appears on the front and back of the ground ,raging from 2 m to 7 m ,just above the working surface instead of the ground just above of the working surface. However, the surface vibration velocity generates behind the working surface was 1.2 to 1.4 times greater than the one generates at the front of the working surface. The front-and-back surface vibration velocity tends to be flattening on the ground which was more than 20 m away from the working surface, just above it.

Info:

Periodical:

Advanced Materials Research (Volumes 199-200)

Edited by:

Jianmin Zeng, Zhengyi Jiang, Taosen Li, Daoguo Yang and Yun-Hae Kim

Pages:

878-881

DOI:

10.4028/www.scientific.net/AMR.199-200.878

Citation:

H. L. Wang et al., "Hollow Effect Induced by Vibration in Cross-Harbor Tunnel", Advanced Materials Research, Vols. 199-200, pp. 878-881, 2011

Online since:

February 2011

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Price:

$35.00

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