复杂隧道大变化断面钻爆法施工通风研究

STUDY OF VENTILATION SYSTEM DURING THE CONSTRUCTION WITH COMPLICATED TUNNEL AND GREAT VARIETY FACE DRILLING AND BLASTING METHOD

本文以复杂隧道大变化断面钻爆法施工为学术背景 ,以大风量、低风压、低能耗新型风机为基础 ,提出一种主坑道贯通前采用管道压入式通风、贯通后采用巷道式混合通风的组合通风系统 ,解决复杂隧道、大变化断面钻爆法施工中的通风技术难题。

For solving the difficult problems of the ventilation of complicated tunnel and great variety face drilling and blasting method,a combined ventilation system is designed,based on the developing on the low pressure,great flow capacity and saving-power fan.The blow method is used in main tunnel and the mixed ventilation with laneway-ventilation is employed in the side tunnel after the main sap is accomplished.