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Suggestions and Considerations on Equipment Selection for Constructing Sichuan-Tibet Railway Tunnels at High Altitudes
Sichuan-Tibet railway tunnel

Suggestions and Considerations on Equipment Selection for Constructing Sichuan-Tibet Railway Tunnels at High Altitudes

The construction of the Sichuan-Tibet railway faces numerous challenges such as significant terrain elevation differences, complex geological characteristics, and a harsh climatic environment, among which the high altitude has particularly significant effects on the Sichuan-Tibet railway

The Working Principle and Disassembly Specification of the Turning Device of the Boom System of the Rock Drilling Rig
rock drilling rig

The Working Principle and Disassembly Specification of the Turning Device of the Boom System of the Rock Drilling Rig

The flipping device is the standard configuration of most rock drilling rigs to realize the turning action. In view of the unclear principle of the flipping device and the irregular disassembly and assembly of the repair personnel, this paper describes in detail, in order to provide help for

  • HuShunChang
    HuShunChang
  • YanQingHua
    YanQingHua
  • HanJianHong
    HanJianHong
Research on technology of mechanized construction of Zhengxi high-speed railway Funiu mountain tunnel
road tunnel

Research on technology of mechanized construction of Zhengxi high-speed railway Funiu mountain tunnel

In order to ensure the quality and safety of highway mountain tunnel construction and to solve the problem of limited construction schedule of long tunnels,it is proposed to use mechanized construction combined with smooth blasting method to achieve safe and reliable tunnel construction. In view

  • WangHuaDong
    WangHuaDong
  • HeTao
    HeTao
  • YangYuSheng
    YangYuSheng
  • ZhangJun
    ZhangJun
  • DuYu
    DuYu
  • LiCong
    LiCong