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Reinforced composite board based on concrete bending member

A technology of composite panels and bending components, which is applied in building construction, building maintenance, construction, etc., and can solve problems such as fiber material peeling and damage

Active Publication Date: 2015-07-22
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem mainly solved by the invention is the problem that the fiber material is prone to peeling and damage in the reinforcement of traditional concrete flexural members
So as to solve the problem of peeling damage of fiber materials

Method used

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  • Reinforced composite board based on concrete bending member
  • Reinforced composite board based on concrete bending member
  • Reinforced composite board based on concrete bending member

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with specific implementation methods and accompanying drawings.

[0020] The first step is to apply prestress to the fiber material, anchor the two ends of the fiber material to the tensioning device, perform tension and ensure that the surface of the fiber material is straight, and stop the tension after reaching the prestress control value and maintain the prestress.

[0021] After the second step of stretching, a PVC template with high smoothness is placed on the lower part of the fiber material, and then the fiber is brushed and reinforced with organic glue, and a certain amount of special-shaped steel fiber and mung bean sand are pasted before the glue is initially set.

[0022] In the third step, after the final setting of the structural glue, smear high-strength mortar with a thickness of 20mm-30mm on the mung bean sand and carry out maintenance.

[0023] The fourth step is to wait unt...

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Abstract

The invention relates to the technical field of building structure reinforcing, in particular to a reinforced composite board based on a concrete bending member. The composite board is formed by two parts including high-strength mortar and a prestress fiber material. The fiber material comprises a carbon fiber sheet, a glass fiber sheet and the like. The high-strength mortar is connected with the fiber material through a certain amount of steel fiber in the special shape, and the fiber material and the high-strength mortar are effectively bonded to form the novel composite board. The composite board can effectively overcome the shortcoming that the fiber material is peeled and damaged after the structure is stressed due to the fact that the concrete surface is unsmooth, greatly improves fiber strength utilization rate and improves a reinforcing effect.

Description

technical field [0001] The invention relates to the technical field of building structure reinforcement, in particular to a composite plate reinforced based on concrete bending members. Background technique [0002] Our country has passed the 60th anniversary of the founding of the People's Republic of my country, and a large number of buildings have exceeded the design reference period. These building structures and bridges already have potential safety hazards; The load borne by bridges is increasing day by day, which also causes damage to building structures and bridges; in addition, a large number of natural disasters will also cause damage to a large number of building structures and bridges to varying degrees. Therefore, strengthening these structures and restoring their necessary reliability has become an important work in the field of civil engineering. Among the current many structural reinforcement technologies, the fiber material reinforcement technology that has ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G23/02
Inventor 杜运兴侯春旭
Owner HUNAN UNIV
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