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化学灌浆技术,在工程上用于防渗、堵漏、地基加固等方面已有较多年的历史。随着化学工业的日益发达,灌浆材料已从无机物逐步发展到高分子化合物,并增加了不少新品种,适应了工程上各种不同的需要,取得了显著的效果。如六十年代“丙凝”化学灌浆材料的产生,给一些工程解决了许多防渗、堵漏的老大难问题,目前已在国内大量推广使用。为进一步扩大化学灌浆的使用范围,解决更多工程上所存在的问题,去年开始,我们又对聚氨硝作为化灌材料进行了试验研究。同志
Chemical grouting technology, in engineering for seepage control, plugging, reinforcement of the foundation has more years of history. With the development of chemical industry, the grouting materials have gradually developed from inorganic substances to polymer compounds, and many new varieties have been added to meet the various needs in engineering and achieved remarkable results. For example, the generation of “Bing Ning” chemical grouting material in the 1960s has solved many old problems of seepage prevention and plugging for some projects and has been widely promoted in China. In order to further expand the application range of chemical grouting and solve more problems in engineering, we started the experiment last year with poly-ammonium nitrate as the irrigation material. Comrade