ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2006, Vol. 26 ›› Issue (5): 47-49,78.DOI: B
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GUO Han-Chao
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Abstract:
There exist a lot of buildings above and around Huaishuping tunnel, which is a doublearched largespan tunnel with shallow overburden. In order to ensure that no adverse impact can be imposed on the surrounding buildings by the blasting excavation of the tunnel, blasting vibration monitoring is performed in the job site by means of UBOX20016 vibration signal automaticrecording instrument and, on basis of the monitoring results, the blasting design is optimized and such technologies as more shotholes, less charging quantity, millisecond ignition, wedgeshaped cut hole are adopted. Furthermore, the maximum charging quantity for the blasting excavation of the tunnel section under the surface buildings are calculated by means of Sadaovsk empirical formula.
Key words:  , blasting vibration blasting monitoring  , control technology
CLC Number:
U456.3
TD235.4
GUO Han-Chao. Blasting Vibration Monitoring and Control Technology Applied in Construction of Huaishuping Tunnel[J]. Tunnel Construction, 2006, 26(5): 47-49,78.
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