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分段正交扁鋼支撐設(shè)計(jì)原則*
徐婷1,陳以一1,2
摘 要

 

1 同濟(jì)大學(xué)建筑工程系, 上海 200092; 2 同濟(jì)大學(xué)土木工程防災(zāi)國家重點(diǎn)實(shí)驗(yàn)室, 上海 200092

摘要]確立了分段正交扁鋼支撐包括強(qiáng)度設(shè)計(jì)原則和變形設(shè)計(jì)原則在內(nèi)的一般設(shè)計(jì)原則,保證該類支撐在地震作用下能滿足“強(qiáng)連接、弱構(gòu)件”的要求,具有良好的抗拉延性,且安裝有該類支撐的結(jié)構(gòu)體系能滿足抗震變形驗(yàn)算要求。對(duì)分段正交扁鋼支撐的細(xì)部構(gòu)造以及各部件選用的鋼材型號(hào)做了詳細(xì)介紹,并給出了相應(yīng)的構(gòu)造要求。通過工程實(shí)例具體地說明了該類支撐的設(shè)計(jì)方法,且給出了對(duì)該類支撐的若干設(shè)計(jì)建議。

關(guān)鍵詞]鋼結(jié)構(gòu); 分段正交支撐; 設(shè)計(jì)原則; 抗震設(shè)計(jì); 強(qiáng)度; 延性

中圖分類號(hào):TU391   文獻(xiàn)標(biāo)識(shí)碼:A   文章編號(hào):1002-848X(2014)07-0084-05

Design principles of a segmented orthogonal flat steel brace

Xu Ting1, Chen Yiyi1,2

 (1 Department of Building Engineering, Tongji University, Shanghai 200092, China; 2 State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China)

Abstract: General design principles including strength design principles and deformation design principles were established for the segmented orthogonal flat steel brace to ensure that this kind of braces would satisfy the requirements of strong connection and weak member under the rare earthquake action with a good quality of ductility and that structure systems with braces could meet the requirements of seismic deformation check. A detailed introduction was made to detail construction of the brace and the types of steel used for various brace components, and the corresponding detailing requirements were given. The design procedures of the segmented orthogonal flat steel brace were illustrated concretely via a practical engineering project. Also several pieces of design advice were given.

Keywords: steel structure; segmented orthogonal brace; design principle; seismic design; strength; ductility

*國家自然科學(xué)基金項(xiàng)目(51038008)。

作者簡介:徐婷,碩士研究生,Email: 13918422303@163.com

參考文獻(xiàn)

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