Road / Bridge Control Joints
Control joints (often confused with expansion joints) are cut into the concrete or asphalt, and are different from expansion joints as shown in the photo. The joints are cut into the structure at regular intervals allow cracking to occur in a controlled fashion. Road control joints can be sealed with hot tar, cold sealant (such as silicone), or compression sealant (such as rubber).
Read more about this topic: Expansion Joint
Famous quotes containing the words road, bridge, control and/or joints:
“The rangey bough anticipated fruit
With snowballs cupped in every opening bud.
The road alone maintained itself in mud....”
—Robert Frost (1874–1963)
“Like a bridge over troubled water
I will lay me down.”
—Paul Simon (b. 1949)
“He took control of me for forty-five minutes. This time I’ll have control over him for the rest of his life. If he gets out fifteen years from now, I’ll know. I’ll check on him every three months through police computers. If he makes one mistake he’s going down again. I’ll make sure. I’m his worst enemy now.”
—Elizabeth Wilson, U.S. crime victim. As quoted in People magazine, p. 88 (May 31, 1993)
“To round that shell’s elaborate whorl,
Adorning every secret track
With the delicate mother-of-pearl,
Made the joints of Heaven crack....”
—William Butler Yeats (1865–1939)