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（蘇州九城都市建筑設(shè)計有限公司， 蘇州 215123）
［摘要］通過對柏廬高級中學(xué)2002年建成的食堂進(jìn)行加固改造抗震設(shè)計，闡述了在荷載增加、局部加層、立面修改等常見改造內(nèi)容和抗震設(shè)防烈度、抗震設(shè)防類別均提高的情況下，基礎(chǔ)、柱、梁、板、樓梯、墻體和新增鋼結(jié)構(gòu)連接等加固方案的比選和設(shè)計。本工程加固方案的確定結(jié)合了現(xiàn)場實(shí)際情況，在不破壞原構(gòu)件的情況下，盡可能降低施工難度和減少加固改造量；對加固前后的計算結(jié)果進(jìn)行對比分析，結(jié)果表明本工程采用的加固方案是可行有效的。
［關(guān)鍵詞］抗震鑒定； 錨桿靜壓樁； 加固改造； 輕鋼屋面； 局部加層
中圖分類號：TU746-3文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2019)21-0086-07
Seismic design of reinforcement and transformation of Bailu Senior High School
Zhong Jianmin
(Suzhou Nine Urban Architectural Design Co., Ltd.， Suzhou 215123， China)
Abstract:The seismic design of the reinforcement and transformation of the canteen built in Bailu Senior High School in 2002 was analyzed. Common transformation contents were introduced including load increase, local story increase and elevation modification in the case of seismic fortification intensity and seismic fortification category increase. Comparison, selection and design of reinforcement schemes for foundation, column, beam, slab, staircase, wall and new steel structural connections were conducted. The determination of reinforcement scheme in this project was combined with the actual situation of the site, and the construction difficulty and the amount of reinforcement and transformation were reduced as much as possible without damaging the original components. Comparing the calculation results before and after reinforcement, it shows that the reinforcement scheme adopted in this project is feasible and effective.
Keywords:seismic appraisal; anchor jacked pile; reinforcement and transformation; light-weight steel roof; local story increase
作者簡介：鐘建敏，碩士，正高級工程師，一級注冊結(jié)構(gòu)工程師，注冊土木工程師（巖土），Email：82503755@qq.com。
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