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Prestressed corrugated pipe/plastic corrugated pipe is made of polyethylene as raw material and extruded by a plastic extruder at one time. It is used as a prestressed post-tensioning method. The hole-forming material overcomes the previous characteristics of metal bellows with poor sealing, easy damage, easy corrosion, and high friction. It is a revolutionary product of the adhesive post-tensioning method. It improves the life of the prestressed concrete structure and serves as a pre-stressed concrete structure. An important component of the stress system, it provides an additional anti-corrosion barrier for the prestressed tendons.
.Prestressed plastic corrugated pipes are divided into two categories: round pipes and flat pipes:
Round pipes
Flat pipes: * * *
..Prestressed plastic corrugated pipes and traditional Metal corrugated pipes have obvious advantages:
, good corrosion resistance, improving the anti-corrosion protection of prestressed tendons
, good physical properties, non-conductive, and can prevent stray current corrosion. It has good sealing performance and does not rust
. Under load, it has high impermeability strength, high stiffness, good impact resistance, and is not afraid of being stepped on
. The friction coefficient of prestressed plastic corrugated pipe is.~., Take .~.. It has sufficient flexibility and friction resistance to facilitate curve layout and prevent beam and tension tunnel rupture. It is recommended that the spacing of the positioning steel bars should not be greater than 1. Meters, minimum bending radius. ． rice. Reduce the friction loss of prestress during the tensioning process.
3. Usage: It can be widely used in bridges, highways, railways, high-rise buildings, hydropower, nuclear power, sewage treatment plants and other fields.
.Product advantages: Prestressed plastic corrugated pipes solve the problem of incomplete and dense grouting in the metal corrugated pipe channels of traditional pressure grouting technology, provide two layers of strong protective barriers for the post-tensioning system, and improve the performance of prestressed tendons. protection conditions to improve the safety and durability of prestressed structures and components.
Hengshui Hengguang Engineering Rubber and Plastic Co., Ltd. is a manufacturer specializing in the production of products for bridge construction. The acoustic tubes, plastic bellows, metal bellows/embedded bolt metal bellows have won the praise of our customers. unanimously praised. In 3 years, the company launched a new product, bridge pile foundation acoustic measuring tube, on this basis. On the basis of the original product quality and service, the price has launched a series of surprise moves. . New and old customers are welcome to come for consultation and negotiation.
Manufacturer supplies 90*25 plastic corrugated pipes for steel strands on bridges in Baotou, Inner Mongolia