本文的目的在于证明带泥舱挖泥船在空载时的完整稳性比满载要好。

The paper intends to prove that the intact stability of a hopper dredger in part load condition is better than that in full load condition.

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本文提出了带泥舱挖泥船的极限重心高度的计算方法，并给出了实船计算结果。

A method for calculating the extreme height of the center of gravity of the dredger with mud hold is presented in the paper. The result of a calculation done for a full scale dredger is also given.

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试验结果表明，泥水平衡盾构开挖面导致的地表沉降很大程度上取决于开挖过程中泥舱压力的浮动范围。

The results of the model tests were presented with particular emphasis on the balancing mechanism of slurry shields, the development of settlement at the excavating face and the limit slurry pressure.

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