Pipe jacking represents a frequently utilized trenchless technology extensively applied in underground passageways and municipal engineering projects. The jacks are required to provide jacking force ...

Real-time mine ventilation network solution is the core way to realize the actual intelligent ventilation, and ventilation friction resistance coefficient is a significant parameter of network ...

Casing wear is an increasingly typical problem that leads to a decrease in collapse resistance in deep wells, ultradeep wells, horizontal wells, and extended reach wells. Casing wear is an ...