維修更(geng)(geng)換過(guo)(guo)程中(zhong)(zhong)，施工人員一是將(jiang)(jiang)(jiang)(jiang)損壞(huai)的(de)(de)橡膠(jiao)(jiao)(jiao)(jiao)條抽(chou)出(chu)，并對伸縮(suo)(suo)(suo)縫(feng)鋼梁(liang)(liang)內的(de)(de)垃圾雜(za)物(wu)及殘留(liu)雜(za)物(wu)進行徹底清理，二(er)是使(shi)(shi)用(yong)(yong)(yong)潤滑油脂均(jun)勻涂抹鋼梁(liang)(liang)兩側(ce)凹槽，三是將(jiang)(jiang)(jiang)(jiang)的(de)(de)新橡膠(jiao)(jiao)(jiao)(jiao)條平放于(yu)安裝位置，使(shi)(shi)用(yong)(yong)(yong)專用(yong)(yong)(yong)工具(ju)將(jiang)(jiang)(jiang)(jiang)橡膠(jiao)(jiao)(jiao)(jiao)條嵌進鋼梁(liang)(liang)凹槽完成(cheng)封閉。坐落于(yu)省道121線(xian)上的(de)(de)徐(xu)洪河大(da)橋(qiao)(qiao)屬于(yu)二(er)級橋(qiao)(qiao)梁(liang)(liang)，每天車(che)流、人流量(liang)(liang)都比較大(da)，如果發生意外(wai)事故，將(jiang)(jiang)(jiang)(jiang)會給人民群(qun)眾生命財(cai)產造成(cheng)損失(shi)和影響道路(lu)通行狀況。目前(qian)，該橋(qiao)(qiao)已經(jing)更(geng)(geng)換完成(cheng)全部(bu)4道共計48米的(de)(de)伸縮(suo)(suo)(suo)縫(feng)橡膠(jiao)(jiao)(jiao)(jiao)條，切實了(le)橋(qiao)(qiao)梁(liang)(liang)的(de)(de)使(shi)(shi)用(yong)(yong)(yong)壽命，確保干線(xian)公路(lu)橋(qiao)(qiao)梁(liang)(liang)運營。如東公路(lu)站(zhan)在(zai)對橋(qiao)(qiao)梁(liang)(liang)伸縮(suo)(suo)(suo)縫(feng)日常(chang)養(yang)護檢查過(guo)(guo)程中(zhong)(zhong)發現(xian)使(shi)(shi)用(yong)(yong)(yong)年(nian)限在(zai)五(wu)年(nian)以(yi)上的(de)(de)橋(qiao)(qiao)梁(liang)(liang)伸縮(suo)(suo)(suo)縫(feng)橡膠(jiao)(jiao)(jiao)(jiao)條出(chu)現(xian)了(le)局(ju)部(bu)破損現(xian)象，分析原(yuan)因(yin)有二(er)：一是橡膠(jiao)(jiao)(jiao)(jiao)條質量(liang)(liang)較差，且長期使(shi)(shi)用(yong)(yong)(yong)后老(lao)(lao)化(hua)(hua)所致；二(er)是養(yang)護人員在(zai)日常(chang)維護過(guo)(guo)程中(zhong)(zhong)清理伸縮(suo)(suo)(suo)縫(feng)內垃圾時使(shi)(shi)用(yong)(yong)(yong)的(de)(de)工具(ju)過(guo)(guo)于(yu)鋒利且用(yong)(yong)(yong)力過(guo)(guo)猛(meng)，導(dao)致伸縮(suo)(suo)(suo)縫(feng)橡膠(jiao)(jiao)(jiao)(jiao)條加速老(lao)(lao)化(hua)(hua)、直至損壞(huai)。橡膠(jiao)(jiao)(jiao)(jiao)條破損后將(jiang)(jiang)(jiang)(jiang)導(dao)致雨水從伸縮(suo)(suo)(suo)縫(feng)橡膠(jiao)(jiao)(jiao)(jiao)條破損處(chu)灌(guan)入(ru)，同時社(she)會車(che)輛拋灑碎石將(jiang)(jiang)(jiang)(jiang)嵌入(ru)臺帽(mao)與板（箱）梁(liang)(liang)縫(feng)隙中(zhong)(zhong)，氣溫升高(gao)后伸縮(suo)(suo)(suo)縫(feng)不能(neng)正(zheng)常(chang)工作。這些將(jiang)(jiang)(jiang)(jiang)縮(suo)(suo)(suo)短橋(qiao)(qiao)梁(liang)(liang)正(zheng)常(chang)使(shi)(shi)用(yong)(yong)(yong)年(nian)限。橋(qiao)(qiao)梁(liang)(liang)伸縮(suo)(suo)(suo)縫(feng)膠(jiao)(jiao)(jiao)(jiao)條更(geng)(geng)換
