【摘要】 本文依据大量的土质调查资料,对该海区的浅层砂性土,在地震和波浪荷载作用下,进行了液化可能性的预测。结果表明:该海区在地震烈度为7度的情况下,海底20 m以上砂性土不会发生液化现象,在8、9度条件下可发生轻微至中等液化;在50年一遇的风浪荷载作用下,海底20 m以上砂性土不会发生液化。故在进行海中建筑物地基基础设计时,应以地震力引起的地基土液化为控制标准。更多还原

【Abstract】 This paper predicts the liquefaction possibility of the shallow layer sandy soil in this area under the action of earthquake and wave loads, based on a lot of soil quality investigation information. The results show: Sandy soil 20 m below seabed can not be liquefied under the condition of magnitude of 7 earthquake intensity in the sea area, slight to middle liquefaction can be occured under the condition of magnitude of 8. 9 earthquake intensity. The sandy soil 20 m below seabed can not be liquefied under the action of wind and wave loads of 50-year occurrance. So the liquefaction of foundation soil resulted from earthquake force should be regarded as governing standard (load) in the foundation soil design for an offshore structure.更多还原