SNiP SOP developed a joint of columns with a spherical concrete surface in the form of a hinge. At the ends of the reinforcing frame, put bags of welded nets that enhance the ends of the columns. Assembly reinforced concrete frame with a spherical concrete hinge. Rigel’s support on the column with this design is carried out by a wrecking connection transmitting oblique compressing stresses. The key joint is formed by concreting of the seam and triangular deepening at the end of the crossbar and in the column. The upper reinforcement of neighboring crossbars is connected by welding shorty to the plates laid in the crossbars. Pipe pipe is laid in it to let the shorts through the column. The lower reinforcement is connected by welding of the linings to the plates laid in the drawing and in the column.
