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原作者(以下称作者)对比了游离氧化铁除去前后的红粘土性质,说明它具有特殊性质的主要原因是游离氧化铁的作用。笔者提供下列资料,从另一方面证实作者的正确结论。1958年河北省遵化县修建了大河局和接官厅两水库。两者都是均质坝,前者高17.7m,后者高22.8m。1974年夏,当笔者对两座土坝进行安全检查时,发现土坝坝下浆砌块石涵洞上游段的砌筑缝普遍渗水,而且在渗流出口处有黄色、间有黑色的聚积物,洞壁和洞顶均有聚积,漏水严重处聚积物较厚。粗看起来,
The original author (hereinafter referred to as the author) compared the red clay properties before and after the removal of free iron oxide, indicating that the main reason for its special properties is the effect of free iron oxide. The author provides the following information to confirm the correct conclusions of the author on the other hand. In 1958, Zunhua County, Hebei Province built two rivers, the Dahe River Bureau and the government office. Both are homogeneous dams. The former is 17.7m high and the latter is 22.8m high. In the summer of 1974, when the author carried out safety inspections on two earth dams, he discovered that the joints in the upper part of the culvert of the sewer block in the earth dam were generally seepage, and there were yellow and black aggregates at the seepage exit. Both the cavern wall and the roof of the cave are accumulating, and the leakage is serious and the thicker deposits are accumulated. Thick looks,