Research on softening regularities of mechanical properties of saturated soft rocks and their application is one of the important theoretical and practical problems in geotechnical fields.

软岩遇水后力学性质软化规律的研究，是水—岩相互作用研究的重要课题之一，在重大工程的设计与实践中具有重要意义。

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A nonlinear creep model of the soft rocks was established.

建立了软岩的非线性蠕变模型。

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It is proved by tests that the soft rocks have more complicated mechanical properties as compared with the engineering materials.

实验和分析表明，软岩与一般工程材料相比较有更为复杂的力学特性。

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His hands turned the pedals and propelled him up the hill, through soft sandy patches and over rocks and boulders that were seemingly everywhere.

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Puglia's other most inspirational stretch lies between Otranto and Santa Maria de Leuca, interspersing dramatic rocks washed by translucent waters and soft-sand beaches backed by shady forests, where the cri-cri of the cicale (crickets) almost deafens in summer.

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In the following video, you can see one of these soft contraptions as it journeys onto a bed of rocks and then uses colored liquid to blend into its surroundings.

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