释义 |
control joint control joint[kən′trōl ‚jȯint] (civil engineering) An expansion joint in masonry to allow movement due to expansion and contraction. control jointA joint that is premolded, tooled, or sawed, and installed to prevent shrinkage of large areas. It creates a deliberately weakened section to induce cracking at the chosen location rather than at random. See also: jointcontrol joint control joint A groove which is formed, sawed, or tooled in a concrete or masonry structure to regulate the location and amount of cracking and separation resulting from the dimensional change of different parts of the structure, thereby avoiding the development of high stresses. |