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The nozzles are changed over for lateral drilling, and the soil around a buried pipe P is broken down by water jet and weakened. The weakened soil is discharged out to the ground by means of a suction removing tool 7, and a hollow part 8 is formed around the buried pipe P. The ...
T Dan - 《Underground Construction Water Sewer Gas & Telecom》 被引量: 0发表: 2021年 REPAIR DEVICE AND METHOD FOR UNDERGROUND BURIED PIPE PROBLEM TO BE SOLVED: To provide a repair device for an underground buried pipe allowing quick and reliable repair work, without requiring large-scale devi...
temperature, corrosive soils erode the pipes, piping material ages, a utility worker accidentally hits pipes with equipment, or a tree’s roots encroach on the pipe. Call a plumber to know for sure if you are dealing with a broken main water line. In some cases, insurance may cover the ...
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Batteryless Sensor Devices for Underground Infrastructure—A Long-Term Experiment on Urban Water Pipes numerous locations within the underground infrastructure, a goal that is to be achieved through the use of a harvesting device mounted on the water pipe... M Boebel,F Frei,F Blumensaat,... - ...
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The apparatus and method for eliminating ground water infiltration while stabilizing the ground and repairing underground pipe/conduit and connections is taught in this art. The steps are to first inject, under pressure, expandable structural foam in the space adjacent and outside the pipe while bloc...
Repair machines are positioned on pipe line above pontoons pressed to pipe line through travelling rollers at force equal to weight of buoyant water since pontoons perform function of supporting pipe line. Hoist and pontoons of technological equipment are set in motion due to step-motion hydraulic...
The pipe on the left side of your screen is a 3″ cast iron pipe that had been corroded and broken in several places. We de-scaled and relined this broken pipeline. This pipeline was approximately 80′ in length and was installed on a 6 unit condo. We relined this pipeline with our...