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Design Of Water Holding Bulkheads For Coal Mines, Verne Mutton, Alexander Remennikov
Design Of Water Holding Bulkheads For Coal Mines, Verne Mutton, Alexander Remennikov
Alex Remennikov
Water control has been and remains a fundamentally important aspect of underground coal mine design and operation worldwide. Mining in the vicinity of large bodies of water, below a worked out coal seam or under confined aquifer or abandoned water logged workings is always fraught with the possibility of the danger of inundation. Inrush control is now part the Fatal Hazard Protocols which is a risk based process in all operations. In modern Australian underground coal mines, in which panel layouts have been extended and production rates are approaching 10 Mtpa, there is much focus on the control of water …
An Alternative Rail Pad Tester For Measuring Dynamic Properties Of Rail Pads Under Large Preloads, Sakdirat Kaewunruen, Alexander Remennikov
An Alternative Rail Pad Tester For Measuring Dynamic Properties Of Rail Pads Under Large Preloads, Sakdirat Kaewunruen, Alexander Remennikov
Alex Remennikov
One of the main components in ballasted railway track systems is the rail pad. It is installed between the rail and the sleeper to attenuate wheel/rail interaction loads, preventing the underlying railway sleepers from excessive stress waves. Generally, the dynamic design of tracks relies on the available data, which are mostly focused on the structural condition at a specific toe load. Recent findings show that track irregularities could significantly amplify the loads on railway tracks. This phenomenon gives rise to a concern that the rail pads may experience higher effective preloading than anticipated in the past. On this ground, this …