| 释义 |
contraction joint contraction joint[kən′trak·shən ‚jȯint] (civil engineering) A break designed in a structure to allow for drying and temperature shrinkage of concrete, brickwork, or masonry, thereby preventing the formation of cracks. contraction joint1. An expansion joint, 1.2. A joint between adjacent parts of a structure which permits movement between them resulting from contraction. |