夹砂地区河道土方开挖施工技术探讨

Discussion on construction technology of earthwork excavation in sand-filled area

水利工程中河道土方开挖是一项常规工程,但受限于地质条件限制,如遇到夹有砂层的情况,河道开挖则会遇到一些问题。以新孟河延伸拓浚工程南延段为例,就夹砂地区河道土方开挖施工技术进行一些研究和探讨,采取合理的分层施工方案,最大限度的降低施工风险,提高新孟河延伸拓浚工程运行稳定性及综合效益。

In the water conservancy project,the earth excavation of the river channel is a conventional project,but restricted by the geological conditions,if there is a sand layer,some problems will be encountered in the excavation of the river channel.Taking the southern extension of the Xinmeng River extension and dredging project as an example,some research and discussion on the construction technology of earthwork excavation in the sand-filled area are conducted,a reasonable layered construction plan is adopted to minimize the construction risk and to improve the operation stability and comprehensive benefits of Xinmeng River diversion project.