为了确保钢管结构的安全可靠，有必要对钢管相贯节点进行加强，主要对主管上加套管的方法进行了分析，当节点加强套管的厚度尺寸是定值时，建议主管长度是加强套管长度的2倍，当加强套管的长度为定值时，建议主管厚度是加强套管的厚度的1.43倍。%The paper indicates the tubular joints of the steel pipe should be reinforced to ensure the safety and reliability of the steel pipe struc-ture,analyzes the inner pipe of the main pipe,and indicates the thickness of the joint reinforced pipe is the constant value,and suggests the length of the main pipe should be 2 times of the one of the reinforced inner pipe,and the length of the reinforced inner pipe is the constant value and the thickness of the main pipe is 1. 43 times of the one of the reinforced inner pipe.
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