BUTT JOINT OF PRECAST CONCRETE COLUMNS WITH SOLID FLOORING Russian patent published in 2010 - IPC E04B1/38 

FIELD: construction industry.

SUBSTANCE: joint includes end edge column sections installed with a gap in a vertical axis. Between these sections there arranged is solid reinforced concrete flooring. Joint includes reinforcing connection elements passed through flooring and combined with closed binder and concreted with concrete. End section of upper column is equipped with precast reinforced concrete insert made from high-strength concrete, class B40-B60, with appropriate sizes. Insert is connected to column in a solid manner. Insert has cavities and vertical through holes to arrange reinforcing connection elements. Reinforcing elements of upper column are passed though holes of insert and located within insert cavity. Reinforcing elements of lower columns are passed through flooring and located in insert cavities overlapped with reinforcing elements of upper column. Reinforcing elements in insert cavities are concreted with high-strength concrete, class B40-B60.

EFFECT: simplifying, increasing reliability and load-carrying capacity of the joint, simplifying erection works and reducing cost of building frame.

6 cl, 7 dwg