FIELD: construction.
SUBSTANCE: long-dimensional pipe concrete element containing a concrete core and reinforcement in the form of a closed outer shell having radial holes is proposed. According to the invention, of new is that the shell is designed as a steel pipe across the length of the element and is equipped with an external protective coating being capable of preventing the concrete mixture from escaping from the shell holes during the core concreting without using a removable formwork. In addition, the holes may be of different shapes and with different arrangements with respect to the longitudinal axis of the element for perceiving the effective loads and efficient joint operation of the concrete core and the steel shell.
EFFECT: increased efficiency of the construction of the long-dimensional pipe concrete element and the technology of its erection, improved performance and expanded field of use.
18 cl, 24 dwg
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