Research on Stress Analysis and Control of Surrounding Rock of Trapezoidal Roadways Based on Complex Variable Theory

<div>The mine pressure of the trapezoidal roadway. (a) The sidewalls of coal pillar heave for 1500 mm. The I-beam bent. (b) The roof declined 500 mm. The floor heaves seriously. The I-beam bent.</div>

Shock and Vibration

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Figure 1

Figure 1: Research on Stress Analysis and Control of Surrounding Rock of Trapezoidal Roadways Based on Complex Variable Theory 