干缩裂缝 在建筑方面指建筑材料（如混凝土）由于内外湿度变化不均、水分蒸发不均产生的裂缝。
聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。
The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.
相应的修改了饱和土的有限元程序，用于分析粘土表面干缩裂缝的形成过程。
A finite element computer program for saturated soils was revised accordingly in order to be used in the analysis of crack formation and propagation upon drying on the clay surface.
减少水泥稳定碎石基层材料的干缩裂缝，对延长半刚性基层沥青路面的使用寿命至关重要。
It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.
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