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中心技術報告

NCREE-2014-012

時間 2014-07-30
標題 User Guide for BOD: Buckling-Restrained Brace and Connection Design Procedures
作者 [Pao-Chun Lin] [Keh-Chyuan Tsai] [An-Chien Wu] [Ming-Chieh Chuang]
摘要 The buckling-restrained brace (BRB) has been widely adopted in the past decades because of the cost-effectiveness. The National Center for Research on Earthquake Engineering (NCREE) has completed the seismic tests and the design recommendations for the welded-end slotted BRB (WES-BRB) members and connections [1, 2]. In addition, a cloud service entitled Brace on Demand (BOD) has been developed in NCREE. The designers could conveniently find the detailed design results of WES-BRB member and end connections through the BOD browser (http://BOD.ncree.org.tw). The results of drawings, calculations and spread sheet can be downloaded for preparing the construction document. The users are only required to input the frame geometry, the BRB steel grade and the axial yield force capacity into the BOD browser. Then, the server will perform all the detailed designs, check all the limit states, and output the corresponding WES-BRB dimensions and connection design results using the spreadsheet format. This document introduces complete design procedures and limit states of the WES-BRB member and its connections. It is based on the Load and Resistance Factor Design (LRFD) demonstrated in the “Specification for Structural Steel Buildings”[3] and “Seismic Provisions for Structural Steel Buildings”[4] published by the American Institute of Steel Construction.
關鍵字 buckling-restrained brace, gusset plate, cloud service
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