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The Study of Monitoring and Control Technologies of Blasting Vibration in Urban Shallow Large-Span Tunnel

Author: LuoZheng
Tutor: ChenShouRu
School: Central South University
Course: Mining engineering
Keywords: Tunnel Blasting vibration Neural Networks Grey Relational Analysis Vibration Control
CLC: U455.6
Type: Master's thesis
Year: 2011
Downloads: 87
Quote: 0
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Abstract


With the bursting of the extensive application of the technology , people are increasingly concerned about the impact of blasting on the surrounding environment and buildings , particularly the harm caused by the blasting vibration attaches great importance . Many blasting work disputes with the blasting vibration , such as cracks in buildings , doors and windows ringing Slope collapse and vibration scared people and livestock will complaint to the blasting construction aspects of blasting vibration has been an important issue of concern . Xiamen the successful Avenue, JC3 tenders Tunneling Blasting Engineering background , the combination of the two means of field testing and theoretical analysis to study the impact of blasting vibration on the surface tunnel housing , mainly for the following aspects : ( 1 ) the establishment of a building by vibration mechanics model , research buildings the frequency of blasting vibration frequency response characteristics , and safe blasting vibration allows standard classification recommendations . (2) on-site blasting vibration testing the the tunnel blasting Discovering the amplitude and frequency distribution characteristics on the basis of the field test data , test data , regression analysis, the tunnel excavation blasting vibration propagation of ready to provide the basis for dose control blasting construction segment . ( 3 ) write matlab neural network program , the establishment of the tunnel blasting vibration neural network prediction model to accurately forecast blasting vibration guiding blasting construction . (4 ) to write matlab gray relational analysis program , the use of gray relational analysis method to draw the tunnel blasting vibration influencing factors of primary and secondary order , and then lay the corresponding drop - vibration measures, and achieved good results .

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CLC: > Transportation > Road transport > Tunnel project > Tunnel construction > Drilling, blasting
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