Difficulties and Countermeasures for Engineering Geological Drilling on the Island and Reefs Sea Area

Abstract:

According to the different geomorphologic types and geological conditions of sea beach, underwater slope and neritic zone, and based on the influencing factors of site investigation in the island and reefs sea area, the paper analyzed the drilling difficulties and available types of drilling field with the countermeasures proposed. The paper also introduced the construction practice and the achievement of Xihoumen bridge and a project in Daishan.