Installation for determination of bearing ability of reinforced-concrete columns under conditions of high-temperature heating

摘要

The invention relates to area of investigation of fire stability of building monolithic-frame constructions and bearing ability of those at normal conditions of operation. Installation for determination of bearing ability of reinforced-concrete columns under conditions of high-temperature heating includes furnace with fire chamber and basic frame for fixation and loading column under investigation. The lower end of the column is rigidly fixed and the upper end is rigidly connected to movable traverse that at both sides is loaded with two hydro-cylinders in such way that compression load is achieved with same displacement of both hydro-cylinders and respective bending moment is achieved by additional displacement of one of hydro-cylinders. Installation can be used for determination of fire stability of reinforced-concrete columns with large bending moments, for instance of reinforced-concrete columns of monolithic-frame constructions.