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Characteristics of vegetation and soil in embankment area of Shanghai Lingang New Town about 60 years;

上海临港新城近60a筑堤区域植被与土壤特征

The large-scale embankment reduced the flood threat to the capital city,but also brought a series of changes to the geographical env.

历史上永定河的大规模筑堤为京城减少了洪水之虞,但同时也带来了包括北京水环境在内的一系列地理环境的变化。

Pile-forming is reliable by using impact hammer,adding parabolic fill and building dikes as the protective wall.

采用冲击锥形锤,添加抛填料,筑暗筑堤作为护壁,可以实现再溶洞泥砂中可靠成桩。

Test study on impervious properties of embankment fill;

筑堤土防渗性状试验研究