预应力钢护筒在桩基施工中的应用设想

An Assumption on Using Prestressed Steel Casing in Construction of Bridge Foundation

设计了一种钢护筒 ,用钢绞线施加预应力之后可以达到使用要求 。

A special steel casing which can meet the reqirements of applications after it is tensioned by prestressing strand and could be fully recycled without any underwater work is designed and introduced in this paper.