Shock and Vibration / 2020 / Article / Tab 5

Review Article

Study on the Impact Resistance of Metal Flexible Net to Rock fall

Table 5

The antirock fall impact performance under different impact angles.

Inclination angle (°)Remaining height (m)Protection width (m)Maximum instantaneous impact force on rockfall (kN)Maximum instantaneous impact force of support rope (kN)The final stoning position
First supporting ropeSecond supporting rope

0−0.872.551.69119.75119.75Metal flexible net
15−0.2814.0949.74130.45106.24Eject
300.02519.4744.50130.1392.00Eject
450.12914.9039.31119.0679.50Eject
6007.4935.35105.7565.69Roll to the first supporting rope and eject
7500.6426.8884.1556.71Roll out, almost no bullet appears

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