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0引言近年来各地混凝土搅拌站事业蓬勃发展,搅拌站技术人员短缺严重,技术人员知识和技能参差不齐。再加上现在各地都在加强环境治理,限制砂石开采、运输及供应,造成砂石供应紧张、质量差等,影响着混凝土事业的发展,容易造成混凝土强度偏低或者不合格等现象。根据实际情况个人浅谈影响混凝土强度偏低的各种原因。1影响混凝土强度偏低的原因1.1水泥是影响混凝土强度的决定性因素水泥的品种、规格、型号和质量及其用量直接决定了混
0 INTRODUCTION In recent years, the concrete mixing plant industry has been developing vigorously. The shortage of technicians in the mixing plant is serious, and technicians’ knowledge and skills are uneven. In addition, local governments are now strengthening environmental management, limiting the extraction, transportation, and supply of sand and gravel, resulting in tight supply of sand and gravel, poor quality, etc., affecting the development of the concrete industry, and tending to cause low or unqualified concrete strength. According to the actual situation, individuals talk about various factors that affect the low strength of concrete. 1 Factors affecting the low strength of concrete 1.1 Cement is the decisive factor influencing the strength of concrete The type, size, model, quality and amount of cement directly determine the mix.