A performance testing system for floor slabs after column failure

Abstract

The invention discloses a performance detection test system for floors with failed pillars. The performance detection test system comprises a test workpiece, a load test device, a loading article, a sensor and a control and data acquisition device. The test workpiece comprises test columns, test beams and a test floor, and the test columns, the test beams and the test floor are integrally molded from reinforced concrete by means of casting; the load test device comprises support upright columns, counterforce beams, loading hydraulic cylinders and test column end clamping mechanisms; the sensorcomprises pressure sensors, displacement sensors and strain gauges; the control and data acquisition device comprises central processing units, data acquisition instruments and jack control circuits.The performance detection test system for the floors with the failed pillars has the advantages that failure test treatment can be carried out on the pillars, so that failure of the pillars can be approximately simulated, research can be carried out on deformation of the floors and interaction between beams and the floors, and research on laws of influence on the performance of the reinforced concrete floors after the different pillars fail can be facilitated; designed locations of the pillars can be guided according to test data, and accordingly the integral performance of the pillars, the beams and the floors can be improved.

Description

technical field [0001] The invention relates to a floor slab performance detection test system, in particular to a floor slab performance detection test system after simulating column failure, and belongs to the technical field of disaster prevention and mitigation of building structures. Background technique [0002] With the rapid development of my country's economy, people's living standards and quality have been greatly improved. In recent years, a large number of high-rise buildings have emerged in China. At present, high-rise buildings basically adopt frame structure or frame-shear wall structure, and its load-bearing method is a load-bearing structure composed of floors, beams, and columns. The force is transmitted from the floor to the beams, then to the columns, and then to the columns. For the foundation, the pillars are the main vertical load-bearing components. Once the pillars fail, the floor and beams will lose their vertical support, which will cause greater p...

AI Technical Summary

Problems solved by technology

Since reinforced concrete floors usually have a relatively large fire area and relatively severe fire exposure in the event of a fire, the current research direction in the industry is to study the fire resistance of reinforced concrete floors in fires in building structures, but for the aforementioned columns There are no research records on the performance of the floor after failure

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