Chang'an University

The No. 1 Engineering Co., Ltd of China Railway Beijing Engineering Group

China Railway Beijing Engineering Group Co., Ltd

Yaqiong Wang

Rui Ren

Fuxiang Chen

Zhifeng Wang

Yiwei Cui

Haotian Guo

Jun Li

Runzhi Jia

Shuangqin Chen

Wei Long

Xitong Bai

Shichao Zhang

Mingrui Luo

Zhanyi Chang

Junfeng Tian

Jie Li

Linjin Gong

Mengke Zhang

Longlong Chen

Jiaqi Li

Feng Cheng

A split air cabin ventilation system for construction of tunnel inclined shafts, including a first air cabin and a second air cabin which are both in a hollow closed structure with an air inlet end and an air outlet end respectively at both sides. The two air outlet ends are arranged away from each other. An end of the split air cabin is provided with an air inlet, and the other end is provided with an air outlet. The air inlet is connected to an air source, and the air outlet is connected to the air inlet ends of the first and second air cabins, respectively. The air inlet end of the first air cabin is connected to another air source.

Split air cabin ventilation system for construction of tunnel inclined shaft and ventilation method using same

The present application relates to tunnel monitoring and measuring, more particularly, to a quick fixing device for measuring a tunnel peripheral convergence and an application method thereof. A right-angle steel sheet includes a first steel sheet and a second steel sheet which are vertically fixed with each other. The fastener vertically penetrates the first steel sheet, and an explosive powder loading portion on a rear end of the fastener is arranged at a side of the second steel sheet. The reinforcing steel sheet is respectively connected to the first steel sheet and the second steel sheet as a reinforcing bar. A through hole is provided on the reinforcing spacer, through which the reinforcing spacer is sleeved on the fastener. The reinforcing spacer is arranged between the explosive powder loading portion on the rear end of the fastener and the first steel sheet.

Quick fixing device for measuring tunnel peripheral convergence and application method thereof

Provided is a rescue capsule for shelter in tunnel construction, relating to lifesaving equipment. The rescue capsule includes a housing. A cavity of the housing includes an equipment compartment which is located at an upper portion of the cavity and a passenger compartment which is located at a lower portion of the cavity. An exterior of the housing is provided with an external skeleton. The exterior of the housing is further provided with an external indicating sign and an external rescue indicator. The housing is further provided with an explosion-proof sealing door. An oxygen cylinder, a power supply, a maintenance box, a first air purifier and a medical box are provided in the equipment compartment. Areas where the maintenance box and the medical box of the equipment compartment are provided communicate with the passenger compartment.

Rescue capsule for shelter in tunnel construction

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Shaanxi, China

Yaqiong Wang