Mechanical Model of the Initial Leg Pressure Increment of the Shield and Its Application to Monitor Roof Load in Longwall Panels

<div>The relationship between leg pressure increment and distance of progression. (a) Period in fully mechanized mining. (b) Period in fully mechanized caving mining.</div>

Shock and Vibration

fig8

Figure 8

Figure 8: Mechanical Model of the Initial Leg Pressure Increment of the Shield and Its Application to Monitor Roof Load in Longwall Panels 