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謝肖禮1，周凱1，葉麗珠2

（1 廣西大學(xué)， 南寧 530004； 2 深圳市華藍(lán)設(shè)計(jì)有限公司南寧分公司， 南寧 530011）

 

［摘要］介紹了防城港市高級(jí)中學(xué)體育看臺(tái)的加固方案及具體加固措施。并根據(jù)其結(jié)構(gòu)的特點(diǎn)，最終選擇了鋼桁架的加固方案。通過(guò)對(duì)加固前、后的結(jié)構(gòu)進(jìn)行有限元計(jì)算分析，驗(yàn)算了鋼桁架的力學(xué)性能。此加固方法改變了框架梁的受力特點(diǎn)，使其從承受彎矩為主的構(gòu)件變?yōu)槌惺茌S力為主的壓彎構(gòu)件，不僅能很好解決原有結(jié)構(gòu)截面不足、承載力不足、撓度過(guò)大等問(wèn)題，而且大大降低了長(zhǎng)柱的長(zhǎng)細(xì)比，且受力簡(jiǎn)單、清晰，取得了良好的經(jīng)濟(jì)、社會(huì)效益。

［關(guān)鍵詞］體育看臺(tái)； 加固設(shè)計(jì)； 鋼桁架

中圖分類(lèi)號(hào)：TU398+.2, TU391      文獻(xiàn)標(biāo)識(shí)碼：A      文章編號(hào)：1002-848X(2013)14-0096-04

 

Xie Xiaoli1, Zhou Kai1, Ye Lizhu2

（1 Guangxi University, Nanning 530004, China; 2 Shenzhen Hualan Design Limited Company Nanning Branch, Nanning 530011, China）

 

Abstract: Reinforcement scheme and measures of a high school stadium stand in Fangchenggang city were introduced. Steel truss reinforcement scheme was selected according to its structural characteristics. Through finite element analysis, mechanical properties of the steel truss were calculated. Stress characteristics of frame beams were changed by reinforcement methods, transforming it from members that withstand bending moment to the bending members that mainly bear axial forces. Problems such as the shortage of original structure section, insufficient bearing capacity and excessive deflection were solved, and the length slenderness ratio of the long column was greatly reduced. A simple and stable stress system was achieved and good economic, social effects were obtained.

Keywords: stadium stand; reinforcement design; steel truss

作者簡(jiǎn)介：謝肖禮，研究員，博士后，博士生導(dǎo)師，Email：xxl2002gxu@sina.com。