Anti-seepage underground pipeline structure in soft soil matrix and construction technology of anti-seepage underground pipeline structure

Abstract

The invention provides an anti-seepage underground pipeline structure in a soft soil matrix and a construction technology of the anti-seepage underground pipeline structure and belongs to the technical field of building construction. The pipeline structure comprises an inspection well and an HDPE pipeline. A connecting hole is formed in the well wall of the inspection well. An installation lantern ring is tightly arranged on the connecting hole. The HDPE pipeline is inserted into the installation lantern ring. A sealing ring is arranged between the HDPE pipeline and the installation lantern ring. The pipeline structure is applied to the soft soil matrix, so that the requirement that the connection portion is free of seepage is satisfied and inspection shows that the percent of pass reaches 95%. Tiny seepage phenomena still exist in a large number of deep quicksand wells and on the connection portions of local well sections. After the structure is improved, seepage is completely avoided, refilling construction is strictly controlled, the phenomena of damage, deformation and the like of a pipe and a connector of the pipe are avoided, and the density degree of refilling reaches more than 95% of the degree required by design. Compared with a common concrete bearing and inserting water discharging pipe, the construction period is shortened by a half, service life is prolonged by more than one time, and economic benefits are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of building construction, and in particular relates to an anti-leakage underground pipeline structure in a soft soil matrix with simple structure, good combination of pipe fittings and well wall, and anti-leakage and its construction technology. Background technique [0002] Due to the characteristics of the soil quality of the soft soil matrix, the structure of the underground pipeline itself and the construction process will have a certain impact on its quality. At present, underground pipelines are basically directly connected with a whole pipeline for inspection. After a long period of use, due to the influence of soft soil itself, leakage is relatively easy to occur in previous construction and use, such as causing the pipeline to float and bend, the pipeline Damage and deformation, etc., and it is not easy to be detected when leakage occurs. This leakage not only causes serious pollution of groundwater...

AI Technical Summary

Problems solved by technology

At present, underground pipelines are basically directly connected with a whole pipeline for inspection. After a long period of use, due to the influence of soft soil itself, leakage is relatively easy to occur in previous construction and use, such as causing the pipeline to float and bend, the pipeline Damage and deformation, etc., and it is not easy to be detected when leakage occurs. This leakage not only causes serious pollution of groundwater and soil and increases over time, but also leads to instability of roads and building foundations near the pipe network. Pavement cracks and subsidence problems occur, and their maintenance is troublesome, high cost, long construction period, and the maintenance effect is not good

, after long-term use, because the texture of the soft soil matrix itself is too soft, it will affect the use effect

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