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What is the coefficient of friction of prestressed plastic corrugated pipes?

Jul 23,2025

Under the same conditions, the friction coefficient of the reserved ducts in prestressed plastic corrugated pipes is significantly lower than that of the reserved ducts in metal corrugated pipes.

Under the same conditions, the friction coefficient of the reserved ducts in prestressed plastic corrugated pipes is significantly lower than that of the reserved ducts in metal corrugated pipes, reducing the friction loss of prestress during the tensioning process. The friction coefficient of general prestressed plastic corrugated pipes is taken as 0.14, while that of metal corrugated pipes is taken as 0.25. Prestressed plastic corrugated pipes have high strength, are not afraid of being stepped on, and are not easily broken by vibration rods. Their sealing performance and anti-seepage performance are superior to those of metal corrugated pipes, making them more suitable for vacuum grouting.

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