MPP towing pipe and pipe jacking are two common pipeline construction methods, and there are certain differences in their construction principles and application fields. This article will introduce the basic concept, construction principle, scope of application, advantages and disadvantages of MPP tractor pipe and pipe jacking.
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MPP towing pipe, the full name of multi-layer composite pipe towing flow method, is a construction technology that installs multi-layer pipelines through the drag-and-pull method. It is characterized by dividing the pipe into a number of short sections, pulling the pipe into the ground section by section by tractor or other equipment, continuously injecting fluid into the pipe during the towing process to make it move along the design line underground, and connecting, sealing and backfilling operations while dragging. MPP towing pipe is mainly used in engineering projects with complex pipeline laying environment, dense underground pipelines, and environmental protection.
In contrast, pipe jacking is a technique that is constructed by the method of advancing pipes. In pipe jacking, a thruster or roadheader is used to propel the pipe into the ground, usually the pipe is made up of sections of pipes, which are connected by connectors. Pipe jacking is generally suitable for tunnels, mountains, riverbeds and other environments where pipelines are laid, and its construction process requires underground exploration and prefabricated vertical wells first, and then the pipeline is advanced to a predetermined position by a thruster, and finally connected and sealed.
There is a certain difference between MPP tractor pipe and pipe jacking in the construction principle. MPP Tractor Pipe pulls the pipe into the ground section by section through a tractor or other equipment, using the force of the fluid to propel the movement of the pipe. Pipe jacking, on the other hand, is carried out by the method of propelling the pipe by a thruster or roadheader. MPP towed pipe construction does not need to precast vertical shafts, while pipe jacking requires underground exploration and prefabricated vertical shafts first. In addition, MPP towing pipes can be joined, sealed and backfilled while being dragged while pipe jacking needs to be connected and sealed after the pipe has been advanced to a predetermined position.
There are also certain differences in the application field between MPP drag pipe and pipe jacking. MPP towing pipe is suitable for engineering projects with complex environment, dense underground pipelines, and environmental protection. For example, MPP tractor pipes can be used in pipeline renovation projects in urban areas and pipe network construction for road traffic. Pipe jacking is more suitable for pipeline laying under special geological conditions, such as tunnels, mountains, riverbeds and other areas. In these areas, pipe jacking can better cope with complex geological environments and ensure the safety and quality of pipeline construction.
Of course, MPP tractor and pipe jacking also have their own advantages and disadvantages. The construction speed of MPP tractor pipe is fast, the construction technology is relatively simple, and the scope of application is wide. However, due to the large interference to the underground environment during the towing process, the construction process is more complex, and underground exploration and environmental protection work are required. The advantage of pipe jacking construction is that it can adapt to various geological conditions and ensure the construction quality and safety of pipelines. However, the construction speed of pipe jacking is relatively slow, and the construction process is relatively complex, which requires prefabricated vertical shafts and related underground works.
MPP towing pipe and pipe jacking are two common pipeline construction methods, and there are certain differences in their construction principles and application fields. MPP towing pipe is suitable for projects with complex pipeline laying environment, dense underground pipelines, and environmental protection, while pipe jacking is more suitable for special geological conditions such as tunnels, mountains, and riverbeds for pipeline laying. When choosing the appropriate construction method, it is necessary to make a reasonable choice according to the specific engineering requirements and geological conditions to ensure the smooth progress of the construction and the safe operation of the pipeline.