Application of Trenchless Repair Technology in Repair of Sewage Interception Pipeline
As an important component of water quality improvement,the sewage interception and control engineering plays a fundamental role in water environment treatment.Due to its early construction and long service life,many urban sewage interception pipelines have been defective to varying degrees.The sewage leakage seriously affects the surrounding rivers and groundwater environment.The trenchless repair technology has been widely used in the repairing of sewage pipelines because of its advantages such as small construction land occupation,short construction period and good environmental benefits.Combined with a sewage interception pipeline repair project in Huizhou City of Guangdong Province,the selection and application of trenchless repair technology are discussed,which provides the reference for similar projects.
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