Method of constructing concrete pipelines of large diameter in an area of laying, a device for the method
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Nov 18, 2011
filing date -
Nov 18, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of producing a concrete pipeline in an area where the pipeline is to be laid has the steps of making a trench, installing in the trench a cylindrical elastic element with a diameter equal to an inner diameter of the pipeline to be laid' placing armature on the cylindrical elastic element, pouring a liquid concrete solution on the element with the armature and hardening the concrete solution, after the hardening of the concrete solution turning a part of the element inside out, placing a reinforcing on a thusly obtained portion of the element with turned part, pouring a concrete solution again onto the portion of the element with the armature.
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