Existing road underground drainage pipeline additionally installing method

Abstract

The invention relates to the technical field of pipeline construction, and provides an existing road underground drainage pipeline additionally installing method. The existing road underground drainage pipeline additionally installing method aims to solve the problem of affecting traffic when an underground drainage pipeline is installed. According to the technical scheme, an underground drainagepipeline comprises a plurality of pipeline units; and the existing road underground drainage pipeline additionally installing method includes the following steps that S1, a construction well is excavated; S2, a construction channel is excavated; S3, an underground construction chamber is excavated and supported; S4, straight holes are drilled and excavated; S5, the straight holes are subjected topretreatment; S6, the underground drainage pipelines are laid, specifically, a plurality of pipeline units are sequentially ejected into the straight holes, and the lubricated cement slurry is sprayedbefore the pipe units are ejected; and S7, grouting is performed, specifically, the lubricated cement slurry is injected to fill the gaps between the underground drainage pipes and the straight holes. By excavating the construction well on one side of a road and excavating the underground construction chamber below the road, the working space is enabled to be an underground space, the whole construction process is completed underground, road excavation is avoided, and the influence on traffic is reduced.

Description

technical field [0001] The invention relates to the technical field of pipeline construction, in particular to a method for adding an existing road underground drainage pipeline. Background technique [0002] As the main line of urban water delivery, underground drainage pipes can increase the speed of urban drainage, make wastewater flow underground, and reduce air pollution. [0003] Underground drainage pipes are usually buried under urban roads. Some urban roads were built without planning underground drainage pipe networks. With the increasing urban population and urban drainage increasing day by day, it is the general trend to increase the density of drainage pipe networks. However, due to the underground Drainage pipes are usually buried under the road. If you want to install underground drainage pipes on existing roads, you need to dig roads and trenches to install underground drainage pipes. This will seriously affect traffic. Therefore, there is still room for impr...

AI Technical Summary

Problems solved by technology

[0003] Underground drainage pipes are usually buried under urban roads. Some urban roads were built without planning underground drainage pipe networks. With the increasing urban population and urban drainage increasing day by day, it is the general trend to increase the density of drainage pipe networks. However, due to the underground Drainage pipes are usually buried under the road. If you want to install underground drainage pipes on existing roads, you need to dig roads and dig pipe trenches to install underground drainage pipes. This will seriously affect traffic. Therefore, there is still room for improvement

Images