| 摘要 |
<p>PURPOSE:To provide joining method for the tip of an inserted pipe which can join the tip of the inserted pipe without drawing up a base pipe from the bottom of the sea to shorten a construction period and to save the cost of construction. CONSTITUTION:This is a method for inserting a small diameter inserted pipe B into a large diameter base pipe A. The inserted pipe B whose tip is provided with a connecting member 2 through a bulkhead 1 is inserted into the base pipe A where liquid is filled up, and after the pipe B arrives at the opening part of the base pipe A, liquid in the base pipe A near the opening part is excluded, and the connecting member 2 is fixed to the inside face of the base pipe A, and the bulkhead 1 of the inserted pipe B is then removed to join the tip of the inserted pipe.</p> |
