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按照两类结构变位相等的原理 ,将沉井—钢管桩基础等效为具有 4个弹簧支承的沉井结构 ,大大地简化了结构分析 ,具有实用价值。
According to the principle of equal displacement of two types of structures, the open caisson-steel pipe pile foundation is equivalent to a caisson structure with 4 spring supports, which greatly simplifies structural analysis and has practical value.