Two -headed columns: Features of use
In two -voltage columns, the cross section of the supracranial part is taken by a continuous rectangular.
And the crane part in the form of two rectangular sections with the distance between the axes of branches 0, 7m – 5 m. Distances between spacers are accepted from 2 to 3 m. The conjugation of double -breasted columns with foundations is carried out by the device of two separate glasses. With such a mating, the best sealing of the column in the foundation is provided and the volume of concrete during installation is significantly reduced.