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黃 健 王慶揚(yáng) 婁 宇
(中國電子工程設(shè)計院 北京100840)[摘要] 國內(nèi)外關(guān)于人行天橋舒適度的標(biāo)準(zhǔn)均建立在簡諧荷載共振模型基礎(chǔ)上，單個人的重量假定為0. 7kN。雖然人行天橋自振頻率的計算公式不同，但計算結(jié)果沒有太大差異。在活荷載的處理以及舒適度判定標(biāo)準(zhǔn)方面各國標(biāo)準(zhǔn)有一定的區(qū)別。人群的隨機(jī)分布情況以及人行天橋計算模型的深化還有待進(jìn)一步研究。
[關(guān)鍵詞] 人行天橋；舒適度；自振頻率Comfortable Degree Design for Footbridges Based on the Criterions of Domestic and Overseas
Huang Jian, Wang Qingyang, Lou Yu
( China Electronics Engineering Design Institute, Beijing 100840, China)Abstract: The criterions of domestic and overseas about comfortable degree of footbridges are based on sympathetic vibration computing ruodel with simple harmonic loading. Pedestrian loading is assumed 0.7kIN. Though having different fonuulas about natural frequency at the criterions, the results are same. The criterions are different iIl dealing with live load and comfort level. The distribution of random crowd action and computing model of footbridges need further research.
Keywords: footbridges; comfortable degree; natural frequency
