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水合物分解气体泄漏引起的海床破坏实验研究

DOI: 10.6052/1000-0879-13-152, PP. 30-34

Keywords: 水合物,泄漏,海床破坏

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Abstract:

海床下水合物分解可能造成大量的生成气体泄漏.气体渗漏一方面造成海床表层的破坏;另一方面使得海水密度减小造成海上一些结构的安全隐患.本文通过实验研究泄漏气体在水中上升过程中的扩散行为,以及渗漏对海底粉砂土海床的破坏规律.考虑压力,盖层厚度在渗漏气体对盖层土体形态破坏的影响,获得了气体在水中上升过程中的扩散角的特点,以及气体泄漏导致的海床冲刷坑范围随气体压力、土层厚度的变化规律,可以为进一步的研究和工程应用提供参考.

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