Special MPP pipe for trenchless construction, suitable for various power pipe projects in Wuhan

The special MPP pipe for trenchless construction is a special power pipe made of modified polypropylene as the core raw material and produced by extrusion molding process. It is specially developed for the stress and environmental requirements of the trenchless pipe jacking and pipe pulling construction process. It can be completed without large-scale excavation work face. The current performance parameters are fully adapted to the construction and acceptance standards of various power pipe projects in Wuhan, and it is a common pipe category for trenchless construction of power pipelines in Wuhan.

The core selling points mainly include three points: First, the geological and technological adaptability is strong. In view of the diverse geological conditions in Wuhan, including the soft soil layer along the river section, the hard backfill soil layer in the old city, and the mixed rock soil layer in the suburbs, the ring stiffness, tensile strength, and bending resistance of the pipe all meet the top tensile force requirements of trenchless construction. It can adapt to the construction requirements of different jacking distances of 10 meters to 150 meters and different burial depths of 2 meters to 12 meters. The construction process only needs to dig small working pits at the operation point, without destroying the road surface, greening, and existing building structures, and has minimal interference to the surrounding traffic order and residents' lives. Second, the long-term protection performance is reliable. The insulation grade of the pipe meets the relevant standards of the national power cable protection pipe, which can withstand the ambient temperature change from -5 ° C to 70 ° C. At the same time, it has good acid and alkali corrosion resistance and external impact resistance. Under the environment of high temperature and humidity in Wuhan in summer, low temperature and freezing and thawing in winter, and high pH of underground soil in some areas, it can maintain structural stability for a long time, and can effectively isolate the corrosive medium in the soil and the damage of underground external impact to internal power cables. The service life meets the requirements of long-term operation and maintenance specifications for power engineering. Third, the installation and construction efficiency is high. The pipe adopts standardized specifications and sizes, and is equipped with a unified hot-melt docking process. The sealing of the connection is good, and it is not easy to cause leakage, disconnection and other problems. The construction process does not require special customized equipment, and ordinary trenchless construction teams can complete the operation. It can be adapted to the fast construction operations required by different construction periods of various electric power pipeline projects in Wuhan, effectively reducing the labor and time costs of the construction unit.

The applicable scenarios cover all kinds of power pipeline projects in the Wuhan area, including the new construction and upgrading of the city's main distribution network, the power supporting pipeline project in the industrial park, the power supporting project along the rail transit line, the power grid access pipeline project in the new commercial and residential community, and the power pipeline laying project of public service facilities. It is especially suitable for areas such as core urban areas, main traffic roads, and scenic spots that are not suitable for excavation operations. The suitable population is mainly the main procurement and construction entities such as the general contracting unit of power engineering, the construction unit of municipal engineering, and the professional construction unit of power pipeline.

The production and factory inspection of this type of pipe strictly follow the relevant standards of the national power pipe. All performance indicators meet the entry acceptance specifications of the power pipe drainage project, and can provide a complete product test report. It meets the various compliance audit requirements of Wuhan regional power engineering construction. It can provide stable and reliable pipe support for Wuhan power pipeline construction. The full text is about 980 words.