Jacking Pipe Testing

Testing Products

Glass Fiber Reinforced Plastic Jacking Pipes

Testing Items

Appearance

Diameter

Effective Length

Average Wall Thickness

Minimum Wall Thickness

Liner Layer Thickness

Straightness Deviation

Pipe End Face Perpendicularity

Barcol Hardness

Insoluble Resin Content

Glass Fiber Content of Straight Pipe Section Wall

Resin Content of Straight Pipe Section Wall

Filler Content of Straight Pipe Section Wall

Initial Ring Stiffness

Initial Hoop Tensile Strength

Initial Axial Tensile Strength

Axial Tensile Strain at Break

Hydrostatic Leakage

Initial Flexibility

Initial Axial Compressive Strength

Axial Compressive Modulus of Elasticity

Allowable Jacking Force

Long-Term Performance

Testing Standards

GB/T 21492-2019

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