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针对双壁波纹塑料滤水管的结构及破坏特点，应用弹性稳定理论，推导了该种管材的临界围压力计算公式，并分析其影响因素，确定了实际耐围压能力。文中还给出两种常用双壁波纹塑料滤水管耐围压能力分析结果
According to the structure and failure characteristics of double-wall corrugated plastic pipe, the formula of critical confining pressure of this kind of pipe is deduced by applying the theory of elastic stability. The influencing factors are analyzed and the actual capacity of confining pressure is determined. The article also gives two kinds of commonly used double-walled corrugated plastic filter pipe confining pressure capacity analysis results