What is a rip rap?

What is a rip rap?

Rip Rap is permanent, erosion-resistant ground cover of graded, angular stone. It is used to protect soil from erosion by slowing water velocity in areas subject to erosion due to concentrated runoff.

What is the density of rip rap?

The Density of Rip Rap 3″ – 8″ – Gabion / Surge Stone / Bull rock: 2,410 lb/yd³ or 1.21 t/yd³ or 0.8 yd³/t

What is the current state of riprap characterization?

At the current state of the practice, a nationwide AASHTO survey of transportation agencies in the United States and Canada has indicated that riprap characterization is mostly based on visual inspection and hand measurements (Sillick 2018).

How much does individual riprap rock weigh?

individual riprap rock can weigh up to 1,150 lbs. (522 kg) with nominal sizes up to 24 in. (61.0 cm) (IDOT 2016; ASTM D6092 2014). Laboratory sieve analysis is usually conducted to determine the