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MODERN TUNNELLING TECHNOLOGY 2019, Vol. 56 Issue (5) :67-71    DOI:
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Discussion and Suggestions for Explosion-proof Based Modification of Construction Machinery and Vehicles in the Gas Tunnel
（PowerChina Construction Chengdu Construction Investment Co., Ltd., Chengdu 610212）
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Abstract As for the explosion-proof purpose, modification of construction machineries and vehicles is one of the key measures to prevent gas explosion in the gas tunnels, but in current codes and specifications the corresponding patterns and technical terms are absent regarding the explosion-proof construction machineries and vehicles in the gas tunnel. Based on the explosion-proof requirements for the vehicle and machinery specified in“Technical Code for Railway Tunnel with Gas”, it analyzed the requirements of explosion-proof grades and technical conditions for the construction equipment and machinery used in coal mine. In light of the modification and application cases of explosion-proof construction machinery and vehicles used in the gas tunnel, a contrastive analysis was conducted in terms of the advantages, disadvantages and adaptability of various explosion-proof modification forms, and the suggestions on explosion-proof modification of construction machinery and vehicles were proposed for the gas tunnel with different gas levels.
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TANG Bin XU Wenping
Keywords： Gas tunnel   Construction machinery and vehicles   Explosion-proof modification   Vehicle-mounted gas-electricity interlocking modification   Electric explosion-proof modification   Comprehensive explosion-proof modification     
Abstract： As for the explosion-proof purpose, modification of construction machineries and vehicles is one of the key measures to prevent gas explosion in the gas tunnels, but in current codes and specifications the corresponding patterns and technical terms are absent regarding the explosion-proof construction machineries and vehicles in the gas tunnel. Based on the explosion-proof requirements for the vehicle and machinery specified in“Technical Code for Railway Tunnel with Gas”, it analyzed the requirements of explosion-proof grades and technical conditions for the construction equipment and machinery used in coal mine. In light of the modification and application cases of explosion-proof construction machinery and vehicles used in the gas tunnel, a contrastive analysis was conducted in terms of the advantages, disadvantages and adaptability of various explosion-proof modification forms, and the suggestions on explosion-proof modification of construction machinery and vehicles were proposed for the gas tunnel with different gas levels.
Keywords： Gas tunnel,   Construction machinery and vehicles,   Explosion-proof modification,   Vehicle-mounted gas-electricity interlocking modification,   Electric explosion-proof modification,   Comprehensive explosion-proof modification     
Cite this article:   
TANG Bin XU Wenping .Discussion and Suggestions for Explosion-proof Based Modification of Construction Machinery and Vehicles in the Gas Tunnel[J]  MODERN TUNNELLING TECHNOLOGY, 2019,V56(5): 67-71
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