Method for strengthening circular reinforced concrete pier column

A reinforced concrete, circular technology, applied in the direction of building maintenance, construction, building construction, etc., to achieve the effect of improving the ultimate compressive strength, less work, and convenient construction

Inactive Publication Date: 2016-04-13
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for strengthening reinforced concrete cir

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  • Method for strengthening circular reinforced concrete pier column
  • Method for strengthening circular reinforced concrete pier column
  • Method for strengthening circular reinforced concrete pier column

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Example Embodiment

[0022] Examples:

[0023] In this embodiment, a reinforced concrete circular pier with a radius of 0.6m to be reinforced is used as the reinforcement object, which will be described in further detail below with reference to the accompanying drawings:

[0024] (1) such as Figure 1-4 As shown, a ring-shaped steel plate reinforcement device is provided, which includes: two semi-circular steel plates 1, and a connecting piece 2 is welded on the two sides of the semi-circular steel plate 1. The connecting piece 2 is a steel rectangular parallelepiped member that is connected A bolt hole 6 is opened on the piece 2. The two semi-circular steel plates 1 are symmetrically fastened on the outside of the reinforced concrete circular pier 5 to be reinforced, and the bolts 3 are passed through the bolt holes 6 to connect the two semi-circular steel plates 1 The piece 2 is connected, and the bolt 3 is fastened by the nut 4 to form an annular steel plate reinforcement device for the reinforced...

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Abstract

The invention discloses a method for strengthening a circular reinforced concrete pier column. According to the method, an annular steel plate strengthening device is arranged and comprises two semicircular steel plates, connecting pieces are welded to the outer sides of two side edges of the semicircular steel plates and are cuboid steel components, bolt holes are formed in the connecting pieces, the two semicircular steel plates are symmetrically buckled to the outer side of the circular reinforced concrete pier column to be strengthened, bolts are made to penetrate through the bolt holes to connect the connecting pieces of the two semicircular steel plates, the bolts are fastened through nuts, and thus the annular steel plate strengthening device is formed; after the whole fastening process of the annular steel plate strengthening device is completed, anticorrosive treatment of the device surface is performed, and then strengthening of the circular reinforced concrete pier column is completed. By means of the method, concrete is in a three-direction stress state, and thus the ultimate compressive strength of the concrete and the compressive bearing capacity of the strengthened component can be effectively improved; all used components are machined in a factory, so that the workload in a construction site is small, and construction is convenient.

Description

technical field [0001] The invention belongs to the technical field of structural engineering reinforcement, and in particular relates to a method for reinforcing a reinforced concrete circular pier column. Background technique [0002] The reinforcement methods of reinforced concrete circular columns commonly used in engineering include enlarging section method, pasting carbon fiber cloth method and external bonding steel plate method. The method of enlarging the cross-section can effectively improve the bearing capacity of the components, but the pouring, vibrating and curing of concrete must be carried out on site, which is inconvenient for construction, significantly increases the size of reinforced concrete, and reduces the effective use area or the water passing area under the bridge; The method of pasting carbon fiber cloth can improve the bearing capacity of reinforced concrete, but the increase is small, the maximum is about 10%, and the durability is insufficient. ...

Claims

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Application Information

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IPC IPC(8): E04G23/02
CPCE04G23/0225
Inventor 刘均利余文成黎志逘简志勇
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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