ASTM E1996-2008 Construction Materials Testing Equipment Missile Impact Resistance Cannon

Missile Impact Resistance Cannon

Terms and definitions:

Storm:

- airflow with a basic wind speed greater than 32.7m/s;

Wind-carried debris:

- objects carried by air currents in a storm;

Resistance to wind-carrying debris impact:

After the wind-carrying debris impact and passive pressure, the test piece will not be damaged beyond the prescribed damage;

Projectile:

- steel ball or wooden block used to impact the test piece;

Anti-storm device:

- a device installed, attached or fixed to the curtain wall door and window system to prevent or weaken it from being damaged by wind-carried debris in a storm.