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1前言码头工程采用全直桩方案时，将推广钻孔嵌岩钢管桩工艺，运用“水下不离析砼”重大科研成果。在码头无覆盖层桩基工程中，大量采用钻孔插桩工艺，对改进、提高设计理论或施工技术将是一次大胆的尝试，为制定嵌岩钢管桩规范提供有关资料。本文通过就利用世界银行贷款改善长
1 Foreword Pier projects using all-straight piles program, will promote the drilling of embedded steel pipe pile technology, the use of “underwater without concrete” major scientific research. In the uncoated pile foundation project, extensive use of borehole instrumentation technology will be a bold attempt to improve and enhance design theory or construction technology, and provide relevant information for formulating the specification of embedded steel pipe piles. This article improves on the use of World Bank loans