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随着四化建设迅速发展,建筑业日趋兴旺,尤其是广大农民走上了富裕道路,更为建筑业提供了广阔的市场。这样,全国水泥供应短缺矛盾就愈加明显了。据有关方面统计,1985年全国水泥大约短缺3300万吨,其中低标号水泥3000万吨。解决这一矛盾的方法之一是提高现有水泥生产能力,增建新厂,扩建改造老厂,但这需要国家投入大量资金,况且增长速度仍赶不上水泥需求量的增长。因此,在提高水泥产量的同时,还应大力推广使用混凝土外加剂,节约水泥,缓和水泥供求矛盾。
With the rapid development of the four modernization projects, the construction industry has become increasingly prosperous. In particular, the majority of farmers have embarked on affluent roads, providing the construction industry with a broader market. In this way, the shortage of cement supply in the country becomes more and more obvious. According to relevant statistics, there was a shortage of 33 million tons of cement in China in 1985, including 30 million tons of low-grade cement. One of the ways to resolve this contradiction is to increase the existing cement production capacity, build new plants, and expand and reconstruct old plants. However, this requires the country to invest a lot of capital, and the growth rate is still not able to keep up with the increase in cement demand. Therefore, while increasing cement production, we must also vigorously promote the use of concrete admixtures to save cement and ease the conflict between supply and demand for cement.