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composite manhole cover

  • The Intelligent Use Of Composites
    • Sep , 12 2018

    At JIEQIANG , we believe it is our responsibility to develop innovative products and solutions that is of superb quality and highly effective and efficient. Our commitment also extends to accelerate the adoption of composites into infrastructure applications through collaborative research. Among all materials, composite materials have the potential to replace widely used steel and aluminum and wit...

  • What inspection work should we do after installing the composite manhole cover?
    • Jul , 12 2018

    1. Inspect the brick masonry of the well, and select the composite/fiberglass manhole cover with the suitable inner diameter according to the size of the inspection well of the design atlas; 2. Determine the elevation of the top surface of the inspection brick according to the thickness of the composite/fiberglass manhole cover and the height requirement of the top surface of the green belt; 3. Be...

  • The requirements of foundation for Composite Manhole Cover
    • Jul , 06 2018

    The composite manhole cover mainly uses polymer as the base material, mainly adopts unsaturated resin as the main chemical raw material, and composites various materials. The high temperature and high pressure one-time molding technology has high polymerization degree, high density and good impact resistance. And tensile strength, with wear resistance, corrosion resistance, no rust, maintenance-fr...

  • Installation of manhole covers and frames
    • Jun , 23 2017

    INSTACorrect use of the product in the shaft: If the shaft is round, use a round frame. If the shaft is square, use a square frame. Under no circumstances should traffic be allowed to pass unless the installation of the product is finished. 1、Preparation of the seat Prepare a seatClean up to the solid concrete on the base, avoiding gravel falling into the well. may not be used as the seating for t...

  • Why composite manhole cover will instead of iron manhole cover ?
    • May , 27 2017

    From Production : Iron manhole cover has ductile iron and casting iron , they has making a strict environmental pollution during the coal burning process . More and more governments will take policy to limits it developed . But composite manhole cover used science production , and no pollution . From Cost : With the limits and high import tax on iron products , the cost and price of iron manhole c...

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