A Reinforcement Method of Architectural Structure Relying on Self-generated Reaction Force

Abstract

The invention discloses a building structure reinforcement method through self-generating reaction force. The method includes the steps of performing surface treatment on a beam or a board structure; arranging reaction force application points on design positions of the beam or the board; mounting a reaction force frame, a boom and a boom ejection plate on the beam or the board; mounting a hydraulic unit and applying ejection force to the boom ejection plate to rise the boom; maintaining the ejection force of the hydraulic unit when the amount of displacement of the beam or the board meets the design requirements; adhering a carbon fiber fabric to the lower surface of the beam or the board; withdrawing the ejection force of the hydraulic unit and removing the reaction frame, the boom and the boom ejection plate; performing final blocking treatment on the board. The building structure reinforcement method through self-generating reaction force has the advantages of avoiding the stress hysteresis phenomenon of a reinforcement structure for enabling the reinforcement structure to be synchronically stressed with an original structure and effectively reducing structural deformation, avoiding drilling in the structure for reducing the extent of damage to the structure, being simple, flexible, convenient and quick in construction process as well as avoiding drilling and rib embedding for greatly shortening the construction period.

Description

technical field [0001] The invention belongs to the technical field of construction engineering, and in particular relates to a method for strengthening a building structure relying on self-generated counterforce. Background technique [0002] With the rapid development of the national economy, the construction industry has entered an unprecedented golden period of development. During long-term use, due to reasons such as insufficient concrete strength, increased load, and insufficient cross-section design, some structures such as beams and slabs have excessive deflection and cracks, which affect the safety and durability of the structure. [0003] At present, in view of the excessive deflection and cracks of building beams and slabs, the main measures are to increase the cross-section, paste carbon fiber, steel plate, and external prestressing. In order to ensure the safety of construction and the ability of the original structure and the new structure to work together aft...

AI Technical Summary

Problems solved by technology

However, the above unloading measures have the following disadvantages: 1. When the method of reducing the upper load is adopted, the upper load needs to be removed, which affects the normal production and life of the units in the building structure; In the layer structure, it brings safety hazards to the next layer structure; 3. The construction process is complicated

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