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0前言混凝土是各种建筑物、构筑物最广泛应用的材料之一,常作为承重材料使用。目前对混凝土质量的评定,其硬化后的强度仍然是主要的评价指标。抗压强度等级的满足是结构设计、混凝土生产企业和施工企业对混凝土质量的需求。而评定混
0 Foreword Concrete is one of the most widely used materials for various buildings and structures and is often used as a load-bearing material. The current assessment of concrete quality, its strength after hardening is still the main evaluation index. Compression strength level to meet the structural design, concrete manufacturers and construction companies on the quality of concrete needs. The assessment of mixed