The paper provides the key factors to control the pit construction by restricting heave of the bottom soil and minimizing tunnel displacement.
文章阐述了如何通过控制基坑施工主要影响参数，进而限制坑底土体隆起，减小隧道位移。
Results show that exposure time of pit bottom soil affects notably the diaphragm wall displacement during the periods of both soil exposure and pit bottom construction.
本文就坑底土层局部加固对支护结构位移的影响效果和规律，结合工程实例，并从理论上进行了分析研究。
The first basin would be filled with soil and a drain would be located at the bottom to allow leach of nutrients.
上面的盆子装满土并在底部安装向下渗透养分的管子。
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