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新修的防撞墩穿上铁“马甲”

2017-08-09 15:12:46   中国青年网

新工艺好在哪儿

水铣、挂网、喷浆,这些工艺以前都不常用在防撞墩的修复上,这些工艺的结合,带来了哪些好处?对比以往的环路大修工程,项目经理王志顺最大的感触是:“过去的环路大修,防撞墩修复作业几乎是贯穿整个工程的,如今使上新工艺,节省了大量时间和人力,7月5日开始施工,大约8月20日就能做完了,才用了一个多月。”

记者注意到,以往防撞墩的修复,都是挑那些问题比较严重的防撞墩进行个体修复,这样的方式会耗费大量的时间和人力。按照传统的方式,施工人员还要想尽办法,去克服作业过程中可能产生的噪音、扬尘等问题,单个修好的防撞墩,为保证要在外形上与前后防撞墩保持一致,必须反复打磨修整,整个过程比路面的修复还要繁琐。此次东三环大修,防撞墩的局部修复办法,第一次改进成为了整体修复。

项目经理王志顺介绍说,目前这种新的外侧防撞墩修复工艺,除了国贸桥,也利用到了十里河桥、华威桥、劲松桥、双井桥、大北窑立交匝道等多个桥区。下一步,国贸桥的路面修复工作也即将展开,预计最晚将从下周开始进行。

本报记者 景一鸣 文并摄 J168

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