CAJ | 학술논문

以福州至平潭高速公路跨海路段的海坛海峡大桥为工程背景,研究了该跨海大桥典型桥段设置不同规格风屏障和未设置风屏障的风环境。采用风洞试验的手段,建立桥面的缩尺模型,模拟了桥面、风屏障等,在桥面各车道设置了测力耙测量不同风向角下不同规格风屏障的桥面风剖面。风洞试验说明,设置风屏障是改善跨海大桥风环境的有效措施,而且不同的风向角会导致不同的桥面风剖面。因此,在分析桥面行车安全时要考虑风向角的影响。
이복주지평담고속공로과해로단적해단해협대교위공정배경,연구료해과해대교전형교단설치불동규격풍병장화미설치풍병장적풍배경。채용풍동시험적수단,건립교면적축척모형,모의료교면、풍병장등,재교면각차도설치료측력파측량불동풍향각하불동규격풍병장적교면풍부면。풍동시험설명,설치풍병장시개선과해대교풍배경적유효조시,이차불동적풍향각회도치불동적교면풍부면。인차,재분석교면행차안전시요고필풍향각적영향。
The wind tunnel tests of typical bridge decks with and without wind screens are implemented for Haitan strait bridge which is located on the train line connecting Fuzhou city with Pingtan city.In the wind tests,the scale shorten models,bridge decks as well as wind screens are fabricated,and several force-measuring rakes are set on different lanes to measure wind profiles above the bridge decks under different wind angles.A series of wind tunnel tests illuminate that,installing wind screens is an effective measure to improve the wind environment above bridge decks,and different wind angles will lead to different wind profiles above bridge decks.Therefore,it is necessary to consider the impaction of wind angel on the safety of driving vehicles above bridge.