Damping device placed in reinforced concrete member

Abstract

The invention relates to a damping device placed in a reinforced concrete member. The damping device comprises a damping reinforcing steel bar, a connecting rod, an anchoring part and a sleeve, wherein one end of the damping reinforcing steel bar is connected with the anchoring part, while the other end is connected with the connecting rod; the other end of the connecting rod which is connected with the damping reinforcing steel bar is connected with the anchoring part; and a connecting rod 2 and a damping reinforcing steel bar 1 are sleeved into the sleeve by a sleeve 3. The damping device is embedded into a longitudinal fiber tensioning and compressing deformation region of the reinforced concrete member and the axially tensile rigidity of the connecting rod is far more than that of thedamping reinforcing steel bar, so the relative displacement of the anchoring part at the two ends is converted into the deformation concentrated to the damping reinforcing steel bar and the damping reinforcing steel bar enters a surrendering state earlier than the reinforcing bar of the reinforced concrete member. The damping level of the reinforced concrete member is enhanced through larger plastic strain energy consumption, so that damping protection is provided for the reinforced concrete member.

Description

technical field [0001] The invention relates to damping and shock absorption control of building structures, in particular to a damping and shock resistance device placed in reinforced concrete components. Background technique [0002] In recent years, there have been many earthquakes with great destructive power in my country. Among them, the Wenchuan earthquake and Yushu earthquake caused the loss of life and property, and the whole country mourns for it. Most of my country's cities and important industrial buildings are located in earthquake zones, and earthquake hazards will threaten us for a long time. Therefore, it has important economic value and social significance to reduce the destructive loss of building structures in earthquake action. [0003] The current commonly used shock absorption technology is mainly through the installation of dampers inside the building. The inter-story displacement of the building is used to drive the damper to work, increasing the st...

AI Technical Summary

Problems solved by technology

There are the following defects in the installation of dampers inside the structure: first, the installation space of dampers inside many structures is limited by the requirements of architectural functions or aesthetics, and often there is not enough or suitable installation space; second, dampers generally require regular inspection and inspection. Maintenance, which increases the cost of using the damper; third, the nodes where the damper is installed need to be specially designed, which increases the design workload; fourth, the design and application of the damper requires specialized knowledge and technology, which has caused certain application obstacles; Fifth, the damping equipment of domestic large-scale projects mostly uses foreign dampers, and there are still certain difficulties in competing with similar domestic products

These factors have hindered the popularization and application of damping shock absorption technology in our country

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