Secondary stress loading test device convenient for reinforcing structure under constant load and manufacturing method of secondary stress loading test device

Abstract

The invention relates to a secondary stress loading test device convenient for reinforcing a structure under a constant load. The secondary stress loading test device convenient for reinforcing the structure under the constant load comprises a base fixedly connected with a rigid ground, wherein heavy frames are arranged at the two sides of the base, a support is arranged at the lower part of each heavy frame, each support is fixedly connected with the rigid ground, each heavy frame is provided with a cross beam parallel to the rigid ground, a jack is hung upside down on each cross beam, each jack is vertical to the rigid ground and is provided with a force sensor, a test beam is arranged between each jack and the base, and each test beam is hinged with each jack and the base. The secondary stress loading test device convenient for reinforcing the structure under the constant load has the beneficial effects that an initial load can be applied to each test beam by virtue of a loading device, U-shaped increased cross section method reinforcing is carried out on a test piece under the condition that the initial load is kept constant, the working condition that the actual structure is reinforced under the initial stress can be fully simulated, the secondary stress loading test device convenient for reinforcing the structure under the constant load can be applied to a bending and shear reinforcing test of a reinforced concrete beam, the structure is simple and the cost is low.

Description

technical field [0001] The invention relates to a secondary stress loading test device and a manufacturing method thereof, which are convenient for structural load-reinforcement. Background technique [0002] The traditional secondary stress loading test of beams mostly adopts the initial load after the beam is placed on the front, but when this method is used to strengthen the beam by increasing the section method, it often leads to difficulties in strengthening the tension section of the beam, difficulty in pouring under load, maintenance and loading And other issues. Contents of the invention [0003] In order to overcome the difficulties in reinforcement of the tension section of the beam when the section is enlarged, the difficulty of pouring under load, the difficulty of maintenance, and the difficulty of loading, the present invention designs a beam secondary force loading test device, which belongs to the plane test device. The device not only facilitates the inst...

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Problems solved by technology

[0003] In order to overcome the problems of difficulty in reinforcement of the tension section of the beam when the section is enlarged, difficulty in pouring under load, difficulty in maintenance, and difficulty in loading, the present invention designs a beam secondary stress loading test device, which belongs to the plane test device. The device is not only easy to install the test piece, but also applies the load accurately and the loading effect is ideal

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