Summary of Underground Pipeline Defects:The underground pipe network uses different pipes, due to the long-term burial in the ground, affected by the foundation sinking, traffic load and geological conditions, etc., the corrosion and damage of the pipeline is often inevitable, so it is imperative to repair part of the underground pipe networkTrenchless repair of deformation and collapseEmphasis on expression.
Selection of trenchless repair process for municipal pipelines:At present, the trenchless repair technology is widely used, and it is in the development stage in China, especially in key cities such as Beijing and Shanghai, which are gradually adopting these pipeline repair methods to repair and update drainage pipes in the central urban area. There are many ways to repair and rectify drainage pipesThe main applications are excavation rearrangement and trenchless repair technology。The simplest and most direct way to solve the problems of pipelines is to use the method of excavation and re-arrangement. There are many drawbacks in the excavation of pipes: (1) Affect traffic: excavation and burial of pipes need to open the intestines of the road, affect the passage of ground vehicles, and cause traffic jams; (2) Increase social costs: excavation of buried pipes affects the travel of nearby residents and the normal operation of nearby businesses, which virtually increases social costs; (3) Long construction period: the road surface needs to be excavated for excavating the buried pipe, the steel sheet pile is driven for enclosure, and the road surface needs to be restored after the excavation is completed; (4) Pipeline protection: Due to the intricacy of underground pipelines, detailed pipeline investigation is required before excavation, and nearby pipelines need to be protected. Trenchless repair has the advantages of no need to close the road, short construction period, favorable to environmental sanitation, small loss of pipeline water section after repair, and even water operation. The traditional repair method of defects such as pipe section-level deformation can only choose the whole section excavation or the whole pipe crack repair, which can effectively and quickly solve the defects, and the economic cost is high.
Project Name:Municipal Engineering of Huanba Road, Dapeng New District, Shenzhen|Buried depth:2.5 metersConstruction unit: Emers Environmental Technology (Shenzhen)**Site Leader: Hu Gong 13692293004Pipe type: Rain |Pipe diameter (mm).：dn300mmDisease Status:Level 3 deformation at 11 meters Length 3 meters
Project Name:Municipal Engineering of Huanba Road, Dapeng New District, Shenzhen|Buried depth:2 metersConstruction unit: Emers Environmental Technology (Shenzhen)**Site Leader: Hu Gong 13692293004Pipe type: Rain |Pipe diameter (mm).：dn300mmDisease Status:Level 3 deformation at 11 meters Length 3 metersSummary:.According to our experience, it is necessary to use special equipment to give priority to the deformation defects and then implement the point in-situ resin curing method, which can achieve no deformation, no damage, no defect acceptance, so that the pipeline is completely non-excavation and repair without affecting the environment and traffic. Emers Environmental Technology (Shenzhen)** is a comprehensive enterprise that provides consulting, project implementation, project management, and operation monitoring with urban pipe network inspection and trenchless repair and other related technical services as the core, and has many years of experience in pipe network testing and CIPP trenchless repair implementation projects. To provide users with optimized equipment combination, rich experience in engineering construction, perfect engineering and technical consulting and other solutions.