经过反复试验和工程应用实践证明,生产预拌混凝土时,在不同季节、不同温度调整混凝土配合比是正确可行的;预拌混凝土生产配合比不能常年累月、一成不变地应用.根据包头市气温变化特点.经过试验和工程应用总结,确定了春夏秋冬预拌混凝土的生产配合比,可供参考、借鉴.%Through experiments and engineering experience it is correct and feasible to different mix ratio of premixed concrete under diversity temperature.The mix ratio is variable with seasonal and temperature variation.In the paper though experimental and experience generalization the mix ratio design under different circumstance which is borrowed ideas from the trades is supplied.
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