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MODERN TUNNELLING TECHNOLOGY 2020, Vol. 57 Issue (2) :42-48    DOI:
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Design and Implementation of the Tunnel Overbreak and Underbreak Detecting Information System
(1 China Railway Southwest Research Institute Co., Ltd., Chengdu 611731; 2 China Railway Academy Co., Ltd., Chengdu 610031)
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Abstract Aiming at the detecting of key factors to control tunnel overbreak and underbreak and evaluation of blasting effect, a drillhole detecting rod is developed, and the APP and B/S version information management platforms for tunnel overbreak and underbreak are developed. Connecting drillhole detecting rod with total station by means of the APP, the information of blasting hole 3D angle, position and tunnel profile after blasting are detected,calculated and transmitted, realizing detecting of blasting process and effect evaluation of blasting profile and providing reference for the following adjustment of blasting parameters and control of tunnel overbreak and underbreak.
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LIAO KAI1 LI LIN2 WU JIAN1
Keywords： Blasting   Overbreak and underbreak   Detecting system   Information system   Drillhole detecting rod   Section scanning     
Abstract： Aiming at the detecting of key factors to control tunnel overbreak and underbreak and evaluation of blasting effect, a drillhole detecting rod is developed, and the APP and B/S version information management platforms for tunnel overbreak and underbreak are developed. Connecting drillhole detecting rod with total station by means of the APP, the information of blasting hole 3D angle, position and tunnel profile after blasting are detected,calculated and transmitted, realizing detecting of blasting process and effect evaluation of blasting profile and providing reference for the following adjustment of blasting parameters and control of tunnel overbreak and underbreak.
Keywords： Blasting,   Overbreak and underbreak,   Detecting system,   Information system,   Drillhole detecting rod,   Section scanning     
Cite this article:   
LIAO KAI1 LI LIN2 WU JIAN1 .Design and Implementation of the Tunnel Overbreak and Underbreak Detecting Information System[J]  MODERN TUNNELLING TECHNOLOGY, 2020,V57(2): 42-48
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