Supply of 60mm prestressed metal corrugated pipes for bridges in Yantai, Shandong

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Prestressed corrugated pipes are mainly divided into metal corrugated pipes and plastic corrugated pipes. Metal corrugated pipes are mainly composed of two materials, one is black steel strip and the other is galvanized steel strip.
The processing technology mainly uses the machine processing of corrugated pipes. The wavy ports are interlocked with each other and made in circles.
Product performance of prestressed corrugated pipe:
Rigidity test: radial deformation when resisting concentrated load or uniform load.
. Anti-permeability test: There will be no leakage of water or slurry for 3 minutes when filled with water or the cement slurry with a water-cement ratio of .
Tensile test: There is no damage to the pipe wall under axial tension.
, Pull-out resistance test: The pull-out resistance buried in concrete is more than 3 times the designed pull-out resistance of the anchor bolts.
Bending resistance test: When the bending degree is 3 times the radius of curvature, there will be no water or slurry leakage.
Specifications: The material of the steel strip is .~.3 thick steel strip. The formed corrugated pipe (detection tube) requires a thickness of .3. Most of the steel strips commonly used in construction sites are around .3, which is not much different. .3. The specifications of corrugated pipes can be calculated according to the inner diameter or the outer diameter. Most people in the industry calculate according to the inner diameter. The specifications of the inner diameter are -, (coefficient of whole ten). Of course, there are also bellows. As for the above, many Not available anywhere (not discussed yet)