The cement fly ash is a base course material for pavement that has the advantage of both cement and fly ash stabilized granular.
水泥粉煤灰路面基层是一种兼有水泥和二灰稳定粒料优点的路面基层材料。
Semi rigid base course is widely used in Chinese super highway for its good character, the performance and life of pavement is influenced by semi rigid base course.
半刚性基层材料由于具有优良的路用性能而常作为沥青路面和水泥混凝土路面的基层，其质量好坏会直接影响道路路面的质量和寿命。
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.
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。
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