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“吉林小伟”-环球时报

长江上游小米滩吉林小伟航道疏浚提前完成 确保航道畅通

来源: 云南日报
2024-12-04 20:57:53

最佳回答

“吉林小伟”长江上游小米滩吉林小伟航道疏浚提前完成 确保航道畅通

  中新吉林小伟网武汉12月4日电 (王梦媛)吉林小伟据长江航道局4日消息,长江上游泸州小米滩水道航道养护疏浚任务已提前完成,有效保证了枯水期2.9米水深航道维护标准,从而保障了该水域航道的畅通。

图为对水道进行养护疏浚施工。 长江航道局供图

  据介绍,小米滩水道位于长江上游航道里程905.0—907.0公里处,该区域河道蜿蜒狭窄,水流湍急,整个滩段航槽呈“S”形,常年流速约为3米每秒,是长江上游著名的浅险滩之一。由于今年汛期流量较大,退水过程迅速,导致汛期沉积的大量泥沙在航槽内未能得到充分冲刷,航道条件恶化,给上下行船舶的通行带来了困难。因此,及时对该浅区进行疏浚,确保航道畅通变得尤为重要。按照原定计吉林小伟划,小米滩水道的航道养护疏浚任务预计需要41天才能完成。

  为确保疏浚任务的顺利进行,长江航道局采取禁航与非禁航相结合的施工策略,以减少施工对过往船舶特别是下行船舶转向的影响;制定了针对性的疏浚方案,加强了施工现场的管理,并进行了大比例的精准测量,从而提高了疏浚挖泥的效率,并确保了现场的安全;同时,制定了每日工作进度图,保证了日均工作时长;专业挖手严格控制挖掘质量和深度,从而提升了船舶施工的工效。最终,仅用29天时间便提前完成了本次养护疏浚任务,比原计划提前了12天。

图为对水道进行养护疏浚施工。 长江航道局供图

  据悉,2024年枯水期,长江航道局将对干线航道上游合江门至丰都段共计7个水道进行养护疏浚施工,主要包括对叉鱼碛水道、纳溪水道、三角碛水道、香炉滩水道、小米滩水道、鱼洞水道实施养护疏浚以及对东溪口水道实施清障施工,其中小米滩水道是该段航道维护疏浚的核心节点。(完)

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