20xx年醫(yī)學(xué)專題—淺談橋梁伸縮縫病害分析及防治措施-全文預(yù)覽
【正文】 stract: the great bridge expansion joint for bridge, bridge expansion joint once damaged, can lead to jump out of the vehicle, noise, water leakage, affecting the traffic safety and shorten the service life of the bridge. This paper discusses the quality control of the expansion joint, expansion joint of the disease were analyzed, and puts forward some preventive measures. Keywords: bridge expansion joints。本文探討了一下伸縮縫的質(zhì)量控制，對(duì)伸縮縫的病害進(jìn)行了分析，并提出了一些防治措施 。 由于伸縮縫需要預(yù)留槽口，這對(duì)橋板結(jié)構(gòu)而言是在斷面上的一種削弱，而設(shè)計(jì)時(shí)對(duì)橋梁端部未能慎重考慮，在反復(fù)荷載的作用下，梁端破壞引起伸縮縫裝置失靈。也會(huì)導(dǎo)致梁端的局部受力過大而導(dǎo)致伸縮縫裝置破壞。伸縮縫裝置的選型不合理。 二、橋梁伸縮縫病害的防治 ，在考慮伸縮量大小的同時(shí)還要考慮產(chǎn)品在施工工藝上的要求，對(duì)預(yù)埋件的位置、深
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