释义 |
Shrinkage crack shrinkage crack[′shriŋ·kij ‚krak] (geology) A small crack produced in fine-grained sediment or rock by the loss of contained water during drying or dehydration. (metallurgy) An irregular interdendritic crack in a casting caused by unequal contraction or inadequate feeding. Shrinkage crackA rift that appears in the surface of building materials such as concrete, masonry, and mortar joints, due to shrinkage.shrinkage crackA crack due to restraint of shrinkage. |