{"meta":{"id":"https:\/\/api.iclient.ifeng.com\/ipadtestdoc?aid=ucms_7xYoxys7uaf","type":"doc","o":"1","documentId":"ucms_7xYoxys7uaf"},"body":{"newStatus":"1","documentId":"ucms_7xYoxys7uaf","staticId":"ucms_7xYoxys7uaf","title":"齐鲁黄河大桥主桥顶推超六成","shareTitle":"齐鲁黄河大桥主桥顶推超六成","thumbnail":"http:\/\/d.ifengimg.com\/w150_h106_q100\/x0.ifengimg.com\/res\/2020\/D3A381A5B90B2752A99C9A346A3F10A33420E1F7_size561_w960_h540.jpeg","source":"鲁网","author":"","editorcode":"weMedia","editTime":"2020-06-24 10:36:00","updateTime":"2020\/06\/24 10:36:00","wapurl":"http:\/\/\/\/feng.ifeng.com\/c\/7xYoxys7uaf","introduction":"","wwwurl":"http:\/\/\/\/feng.ifeng.com\/c\/7xYoxys7uaf","commentsUrl":"ucms_7xYoxys7uaf","commentCount":0,"text":"
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6月23日,在齐鲁黄河大桥建设现场,前期顶推就位的北岸280米钢箱梁已经开始安装钢拱肋,与此同步进行的420米主桥钢箱梁目前已经顶推超过270米,完成了主桥全部顶推作业的64%。据了解,齐鲁黄河大桥主桥采用跨度420米的网状吊杆系杆拱桥,建成后将成为同类桥型跨径世界第一。受制于大桥位处黄河流域“有水不能通船、无水不能通车”的环境特点,齐鲁黄河大桥的拱肋安装无法采用船运至桥位后,再使用浮吊安装的技术。综合国内外经验,最终确定了“先顶梁后安拱”的工艺,主桥拱肋将采用三段法安装。<\/p>","img":[{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/D3A381A5B90B2752A99C9A346A3F10A33420E1F7_size561_w960_h540.jpeg","size":{"width":"640","height":"360"}}],"summary":"6月23日,在齐鲁黄河大桥建设现场,前期顶推就位的北岸280米钢箱梁已经开始安装钢拱肋,与此同步进行的420米主桥钢箱梁目前已经顶推超过270米,完成了主桥全部","sharesummary":"6月23日,在齐鲁黄河大桥建设现场,前期顶推就位的北岸280米钢箱梁已经开始安装钢拱肋,与此同步进行的420米主桥钢箱梁目前已经顶推超过270米,完成了主桥全部","commentType":"0","wemediaEAccountId":"1516677","showclient":"0","shareurl":"https:\/\/ishare.ifeng.com\/c\/s\/v002g4k4NGg7TvkRJfSF--B7UqyeIHCiOagpxR8PzSNgQVng__","praise":"2","like_num":"2"}}