- 摘 要
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（1 中國建筑科學研究院， 北京 100013； 2 華潤置地(北京)股份有限公司設(shè)計管理部， 北京 100035）
［摘要］介紹了在26m跨鋼橋上進行的樓板振動舒適度試驗。實測了單人行走、小組行走、人群行走等工況下樓板的振動響應(yīng)，將單人行走工況的實測數(shù)據(jù)與有限元分析及AISC-DG11的計算方法做了比較。觀測結(jié)果證實了步行力具有隨機性；小組自由行走工況下樓板的響應(yīng)一般不大于單人行走工況；人群行走工況的等效響應(yīng)系數(shù)遠小于1。最后給出了選擇舒適度計算工況的設(shè)計建議。
［關(guān)鍵詞］樓板舒適度； 現(xiàn)場試驗； 步行力； 有限元分析； 工況選擇
中圖分類號：TU986-47， U448-36文獻標識碼：A文章編號：1002-848X(2017)13-0031-05
In-situ test study on floor vibration response under walking loads
Pan Ning1, Fang Wei1, Li Gangqiang2, Huang Cunzhi1, Liu Hui1
(1 China Academy of Building Research, Beijing 100013, China;
2 China Resources Land(Beijing) Limited Design Management Department, Beijing 100035, China)
Abstract:An in-situ test for floor serviceability of a 26m-span steel bridge under walking loads was introduced. The floor vibration response was measured under single pedestrian walking, group walking and crowd walking working conditions. The measured-data of single pedestrian working condition was compared with computing results by finite elements analysis and AISC-DG11 method. The test results show that walking force is non-periodic; floor vibration response undergroup free walking working condition is not larger than response under single pedestrian walking working condition; crowd walking equivalent response coefficient is far more less than 1. Finally the design advice for selection of floor serviceabilitycalculation working condition was provided.
Keywords:floor serviceability; in situ test; walking force; FE analysis; working condition selection
作者簡介：潘寧，博士，高級工程師，一級注冊結(jié)構(gòu)工程師，英國結(jié)構(gòu)工程師學會（ISE）正會員，Email:404853039@qq.com。
