洋山深水港区四期工程砂桩施工技术

砂桩作为深水港水工码头接岸结构地基加固的主要分项工程，其施工情况直接关系到水工码头承重结构的受力分布情况，从而影响到码头使用寿命。文章从砂桩施工的重要性入手，介绍了洋山深水港区四期工程的砂桩施工工艺，并结合施工中遇到的问题分析、讨论，总结了一些施工管理技术及解决问题的方法，为以后工艺的改进提出了建议。

Construction Technology of Sand Piles in the Fourth Phase of Yangshan Deepwater Harbour

The construction of sand piles, which is considered to be the major partial project of landing foundation reinforcement engineering in deepwater hydraulic dock, directly affects the stress distribution of bearing structure, thus affecting the life-span of the wharf. From the magnificence of sand pile construction, this paper introduces the construction technology of sand piles in the fourth phase of Yangshan Deepwater Harbour, and carries out the analysis and discussion combining problems encountered in the construction, summarizes some construction management technologies and some solutions. At the end, it puts forward some suggestions for future improvement.