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通过分析混凝土表面气泡、砂纹存在的原因,浅述了在原材料、配合比、浇筑工艺、模板工艺等多方面的影响及对应的防治措施
By analyzing the reasons of the existence of air bubbles and sand pattern on the surface of concrete, the effects of raw materials, compounding ratio, pouring technology and formwork technology and corresponding prevention and control measures