Abstract: Abstract. According to statistical data, proven heavy oil reserves account for approximately 70% of the world's remaining crude oil resources. As an important alternative energy resource, technologies for the pipeline ...

Abstract: Passive gravity compensation can effectively reduce the load of actuators, but existing methods are commonly complex in terms of mechanisms and elastic systems with zero-free-length (ZFL) property. A compensation strategy ...

Abstract: Abstract This study aims to reveal the failure mechanism and performance law of the vertical mechanical performance of earthquake-induced cumulative damaged RC columns and quantify the vertical load-carrying capacity (VLCC) ...