Asphalt vs Riprap - What's the difference?
asphalt | riprap |
A sticky, black and highly viscous liquid or semi-solid, composed almost entirely of bitumen, that is present in most crude petroleums and in some natural deposits.
asphalt concrete, a hard ground covering used for roads and walkways.
To pave with asphalt.
An underwater bank seen as a danger to shipping.
*1982 , (TC Boyle), Water Music , Penguin 2006, p. 423:
*:They hold on, spray flying, the ceaseless racket of water impacting on rock all but swallowing them, the river pitching dizzily, snags and riprap raking like claws at the bottom of the boat.
Rocks or other materials used to shore up an embankment, deter or prevent erosion, guide shipping, or serve as a temporary mooring.
To form a riprap in or upon.