| 摘要 |
PURPOSE:To enhance the durability of composite sheet piles by a method in which a steel tube with connectors is driven into the ground, reinforced concrete is buried in the steel tube, a steel plate is inserted into the connectors of the steel tubes, and concrete is placed. CONSTITUTION:Steel tubes 1 having plural connectors 2 and 3 are connected through the connectors 2 and 3, and reinforced concrete 5 is buried in the steel tubes 1. A steel plate 4 is inserted into the connectors 2 and 3 and concrete 6 is placed into the connectors 2 and 3 parts.
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