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研究分析混凝土拌合物含气量对混凝土工作性、抗冻性、抗渗性等性能的影响机理,阐明含气量及其测定对混凝土性能的重要性。对混凝土拌合物含气量测定方法及原理进行分析,并针对混凝土拌合物含气量测定存在的误差提出相关改进措施。
The influence mechanism of gas content of concrete mixture on workability, frost resistance and impermeability of concrete is analyzed. The importance of gas content and its determination on concrete performance is clarified. The method and principle of measuring gas content in concrete mixture are analyzed. Some corrective measures are put forward in view of the error of gas content measurement of concrete mixture.