The methods of pipe excavating and foundation treatment in silt and shifting sand areas were presented, which were proved feasible through a practical example.
着重从淤泥流砂地区的管槽开挖和基础处理两个方面进行分析论述,并引用实例论证该方法的可行性。
The fencing effect of the net fence in shifting sand area also shows difference among three wind directions.
流沙区尼龙网栅栏的防沙效益亦表现出在三组不同风向上的差异。
Research on the processes of wind erosion of cropland, desertification of grassland, reactivation of fixed dunes and shifting sand movement reveals th...
并论述了农田风蚀、草场沙化、固定沙丘活化及流沙前移等主要类型土地沙漠化的发育过程。
In coastal area deep foundation pit excavating meets problems of slope collapsing and shifting sand due to high water level and the sand soil geological condition.
沿海地区水位高,地质条件以砂土为主,大面积砂土深基坑开挖易坍塌或形成流砂,给施工带来巨大的困难。
The major succession processes of vegetation association are consistent with the process from which the shifting sand turned into fixed sand . the models of succession series are: Comm.
For all dune types the species diversity indices of perennial plants were the highest, those of annual plants were at the second, they increased from shifting sand dune stage to fixed stage.