恶劣海况与复杂地质条件下深水钻孔平台方案设计及研究

Design and Study of Deepwater Drilling Platform Under Severe Sea Conditions and Complex Geological Conditions

在海况恶劣、地质条件复杂的跨海大桥施工中,桩基钻孔平台设计的好坏是桩基施工成败的关键。平潭海峡公铁两用大桥桥址处风大、水深、浪高,海况恶劣、海床面高差起伏大、地质条件复杂。结合该桥桩基施工特点,对恶劣海况与复杂地质条件下深水钻孔平台设计进行了研究,设计了一套安全可靠、实用性强、操作便捷的深水钻孔平台,可为今后类似跨海大桥深水桩基施工提供借鉴。

In the construction of the cross-sea bridge with harsh sea conditions and complex geological conditions, the design of the pile foundation drilling platform is the key to the success or failure of pile foundation construction. The bridge site of the Pingtan Strait Dual-use Bridge is of windy, deep water, high waves, and harsh sea conditions. The height of the seabed is undulating and the geological conditions are complex. Based on the characteristics of the pile foundation construction of the bridge, the design of the deepwater drilling platform under harsh sea conditions and complex geological conditions was studied, and a safe, reliable, practical and convenient deepwater drilling platform was designed. It could provide reference for the construction of deep water pile foundation of similar bridge in the future.