The proposed utility model aims at creating a hard bessvarnogo butt connection of prefabricated concrete columns "plug" type by providing a reliable anchoring workers longitudinal rods by using any kinds of embedment solutions with simultaneous reduction of metal.; Butt joint precast columns includes their ends, comprising in one column releases the working reinforcement, and in another column - wells in which are inserted and hardwired inserts of steel parts, welded by electric welding to the longitudinal working reinforcement columns with subsequent compound patch corners welding.; Proposed butt-joint design allows you to create a joint increased shear and flexural rigidity, capable to perceive the seismic impact, meeting the requirements of standards for the design of buildings and structures for seismic areas of construction, shorten the life of the operational application of loads, to carry out the production of the work in the winter time, postponing the injection of a solution into the warm period construction. To ensure alignment of columns and a desired thickness using horizontal seam centering pad. Project splice performance occurs after curing embedment solution.
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