Mechanical Analysis and Design Suggestions of Steel Tubular Tower with Eccentric Joint
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Abstract
The K type connecting plate is used for connecting main member and brace member of steel tubular tower. The centroid of members shall intersect at one point as much as possible. The weight of joint and wind area of tower were increased for the large connecting plate due to small included angle between main member and brace member. The size of the connecting plate will be reduced when using the eccentric joint. The entire finite element model with eccentric joint was employed to study mechanical behavior of main member and brace member. The results shown that mechanical behavior of main member and brace member were less affected by eccentric joint. The recommended design method of steel tubular tower with eccentric joint was proposed and the results can be used as a reference for engineering application and theoretical study.
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