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  • How to Use a Test Ball Pipe Plug

    Test ball pipe plugs or pneumatic pipe plugs are used to block sewer pipes during sewer air testing. Test ball plugs come in different sizes that fit different pipe diameters. Multisize test ball pipe plugs can be used in a wide variety of diameters o

  • How to Build a Driveway Culvert?

    If you are going to construct a driveway that must cross a drainage ditch along the road or natural drainage somewhere on your property, you will have to install a culvert. Culverts are made of reinforced concrete, corrugated steel or heavy gauge pla

  • Earth quake resistant building design – Seismic isolation

    Seismic isolation is a good concept in earthquake engineering, having been introduced in the early 1980s in the USA and New Zealand, and as early as 1975 in the former Soviet Union. Quite simply, the idea underlying the technology is to detach the bui

  • Earth quake resistant building design – Seismic isolation

    Seismic isolation is a good concept in earthquake engineering, having been introduced in the early 1980s in the USA and New Zealand, and as early as 1975 in the former Soviet Union. Quite simply, the idea underlying the technology is to detach the bui

  • How to Use a Test Ball Pipe Plug

    Test ball pipe plugs or pneumatic pipe plugs are used to block sewer pipes during sewer air testing. Test ball plugs come in different sizes that fit different pipe diameters. Multisize test ball pipe plugs can be used in a wide variety of diameters

  • Why use laminated elastomeric rubber bearings for Bridges?

    Why Laminated Neoprene Elastomeric Bridge bearings? Neoprene bridge bearings - plain or laminated - elastomeric bearings are much easier to install in a bridge than compared to other types of bearing used and require nil maintenance. Unlike most other

  • How to Use Rubber Test Plugs

    Rubber test plugs are used in plumbing applications. These plugs have a screw-back fitting attached to a dense rubber cap, designed to fit snugly into the end of a pipe. These caps are inserted into the end of the plug to temporarily seal it off. Afte

  • Reason and Advantage of Using Neoprene Elastomeric Bearings

    Why Use Neoprene Elastomeric Bearings Neoprene bridge bearings - plain or laminated - elastomeric bearings are much easier to install in a bridge than compared to other types of bearing used and require nil maintenance. Unlike most other elastomer, N

  • How to Install Expansion Joints in a Concrete Driveway

    A concrete driveway can be built with little experience , t he challenge is building it so that no cracks will develop. If you do not add expansion joints, cracks typically develop as a result of temperature changes or from the concrete shrinking dur

  • Expansion joints give bridges room to breathe

    Abstract: Asphalt rubber is used for concrete bridge expansion joints in Arizona, to allow the concrete to naturally expand and contract without cracking. Article: We received plenty of questions, too, which well attempt to answer here on the blog in

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