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介绍路面碾压混凝土的配合比特点及对外加剂的性能要求；提出路面碾压混凝土含气量测定方法及引气剂适宜掺量；进行路面碾压混凝土复合掺用引气剂的技术经济分析，提出提高其抗冻性的有效途径。
Introduce the mix ratio characteristics of pavement roller compacted concrete and the performance requirements of additives; propose the method for determining the air content of RCC and the appropriate amount of air-entraining agent; and perform the technical and economical analysis of the compounding air-entraining agent for pavement RCC; Propose an effective way to improve its frost resistance.