کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
309476 513606 2011 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A new classification system for the joints used in lattice shells
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
A new classification system for the joints used in lattice shells
چکیده انگلیسی

A new classification system for the joints in lattice shells is proposed. The stiffness and moment capacity of the joints together with the overall structural behavior of the lattice shells are considered in order to establish the classification system. According to this new system, joints in lattice shells can be classified into unique categories: rigid, semi-rigid or pinned. The rigid joints have both high bending stiffness and moment capacity; the semi-rigid joints have both moderate bending stiffness and moment capacity, and the pinned joints have either low bending stiffness or low moment capacity. Determination coefficients α and β are defined, based on the stiffness and moment capacity of the joints, and these are used to establish clear boundaries between the different categories. Some numerical examples are included to demonstrate the validity of the classification system. With the help of the classification system, an efficient process for practical engineering design is proposed, which can help designers choose the appropriate analysis method for lattice shells with different joints.


► A new classification system for the joints in lattice shells is proposed.
► Joints in lattice shells are classified to rigid, semi-rigid or pinned, uniquely.
► Determination coefficients α and β are defined to establish clear boundaries.
► Numerical examples are included to verify the classification system.
► An efficient process for practical engineering design is proposed.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin-Walled Structures - Volume 49, Issue 12, December 2011, Pages 1544–1553
نویسندگان
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