对于沙漠工程，提高沙漠砂的干密度，做好构筑物的防渗排水，避免地基含水量增高，是保证工程设施安全、正常运行的关键。

For engineering in desert, the key measures for ensuring the safety and operation of engineering facilities are to increase dry density and enhance seepage so as to avoid the high moisture content.

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文章认为，设置排水设施和地层防渗加固是减小衬砌外水压力及维持地下水系平衡的有效措施。

The paper considers that the drainage works and the impervious element are the effective measures for reducing external water pressure on the lining and maintaining groundwater balance.

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目前在我国雨水集蓄中多以胶泥、水泥砂浆抹面或混凝土防渗来修建水窖或蓄水池等作为雨水存储设施。

At present, China harvesting rainwater mostly used the clay, cement mortar or concrete spread plate the building of water tanks and cisterns surface to impermeableness, as storage facilities.

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