摘要
调查区位于两岛之间狭长的水道,包括海区和陆区部分。中生代火山岩发育;海区则形成较厚的第四纪沉积物,其岩土类型复杂,而且多数土层中含砾石量较大。通过海洋物探方法和地质钻探施工,基本揭示了本区海底地形地貌特征、岩土层结构及土的物理力学性质。着重介绍岩土的工程地质特征,并从定向钻适宜性的角度将调查区分为三区段进行综合评价。
The survey area lies between Waidiao Island and Cezi Island of west of Zhoushan Peninsula, including the sea section and land section. The Mesozoic volcanic rock is developed and in sea section, the sediment of Quatemary period is huge - thick, with complicated types and gravel commonly. By methods of engineering drilling and geophysical investigation, this survey had ascertained the topographical feature of seabed, strata structure and physical mechanics property within survey area. The text summarily introduces the geotechnical engineering geological characteristics and supply the recommendation for horizontal directional drilling （HDD）.
出处
《东华理工学院学报》
2007年第1期15-19,共5页
Journal of East China Institute of Technology
关键词
岩土工程地质特征
定向钻
适宜性
海底
榆油管道
Engineering geological characteristics
Horizontal directional drilling （HDD）
Submarine pipeline route
