The gravity bridge pier built on weak ground base may be lifted off the base during strong earthquake event.

软弱地基上的重力式桥墩，在强烈地震作用下， 有可能会发生桥墩基础提离现象。

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The study results were useful for detailed design of weak ground improvement method and foundation of bucket wheel machines.

计算研究成果直接为工程地基处理方案的确定及斗轮机基础的详细设计提供了依据。

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The method described in this paper has better suitability, especially has certain reference value for constructing Bridges under the difficult conditions, such as with weak ground, etc.

文中所述方法有比较好的适应性，尤其是对在较弱地基等困难条件下的桥梁施工有一定的参考价值。

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In one way, Microsoft is on weak ground.

ECONOMIST: Beleaguered Microsoft

Two teams of engineers, one funded by the state of Louisiana and one based at the University of California, Berkley, have previously put the blame on the Army Corps of Engineers and on a weak layer of ground below the canal walls.

NPR: Panel's Report Assigns No Blame in Levee Failures

As a result, Qwest's been left on shaky ground, too weak to stand on its own and desperately in need of a partner.

FORBES: Telling Telecom Tales