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Method for prefabricating concrete cracks and reinforcement corrosion defects in complete reinforced concrete foundation structure

A technology of reinforced concrete and prefabricated concrete, which is applied in infrastructure engineering, manufacturing tools, ceramic forming machines, etc., can solve problems such as incompleteness, and achieve the effects of simple tools, elimination of incompleteness, and cost reduction

Active Publication Date: 2018-12-07
CHINA THREE GORGES UNIV
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Problems solved by technology

[0003] The technical problem to be solved by this invention is to provide a method for prefabricating concrete cracks and steel bar corrosion defects in a complete reinforced concrete foundation structure, which can solve the existing reinforced concrete foundation and steel bar corrosion defects. Reflect the state of the foundation cracks and reinforcement defects in the overall state of the concrete foundation, and eliminate the incompleteness of the concrete test block test to illustrate the impact of cracks and reinforcement defects on the complete structural concrete foundation

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  • Method for prefabricating concrete cracks and reinforcement corrosion defects in complete reinforced concrete foundation structure
  • Method for prefabricating concrete cracks and reinforcement corrosion defects in complete reinforced concrete foundation structure
  • Method for prefabricating concrete cracks and reinforcement corrosion defects in complete reinforced concrete foundation structure

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Embodiment Construction

[0029] Such as Figure 1-Figure 4 As shown, a method for prefabricating concrete cracks and reinforcement corrosion defects in a complete reinforced concrete foundation structure, the method includes the following steps:

[0030] Step 1: Mark the location of the corroded reinforcement on the bound reinforcement cage, and cut and intercept the longitudinal reinforcement 3 of the reinforcement cage according to the required corrosion length (the reinforcement cage consists of longitudinal reinforcement 3, spiral outer stirrup 5 and inner 6 stirrups, the concrete foundation is made after concrete pouring);

[0031] Step 2: Fixedly connect the two ends of the simulated corrosion-defective steel bar section 4 of corresponding length to the truncated part of the longitudinal steel bar 3 of the steel bar cage. The connection method is electroslag pressure welding. After the steel bar is cooled after the connection is completed, the residual welding slag on the steel bar is removed; ...

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Abstract

The invention discloses a method for prefabricating concrete cracks and reinforcement corrosion defects in a complete reinforced concrete foundation structure. The method comprises the steps of: (1) cutting off; (2) installation of simulated corrosion defect reinforcement sections; (3) installation of reinforcement meters; (4) placement of reinforcement cages in a foundation pit; (5) manufacturingof L-shaped transverse crack sheets and L-shaped longitudinal crack sheets; (6) installation of the L-shaped transverse crack sheets; (7) installation of the L-shaped longitudinal crack sheets; and (8) casting: the concrete cracks and the reinforcement corrosion defects are precast in the complete reinforced concrete foundation structure after the concrete foundation structure is solidified. Themethod for prefabricating the concrete cracks and the reinforcement corrosion defects in the complete reinforced concrete foundation structure eliminates the incompleteness of influence on the complete concrete foundation structure by the cracks and the reinforcement defects through concrete briquette tests.

Description

technical field [0001] The invention relates to the field of reinforced concrete structure tests, in particular to a method for prefabricating concrete cracks and steel bar corrosion defects in a complete reinforced concrete foundation structure. Background technique [0002] With the increasing construction of my country's power grid, there are more and more overhead transmission lines, and the problems are gradually increasing. Among them, the reinforced concrete foundation buried deep in the ground is prone to cracks and steel corrosion defects, which affect the bearing capacity of the foundation and thus affect the iron tower. and the safe operation of the entire transmission line. Therefore, it is necessary to make steel tower reinforced concrete foundation samples with cracks and steel corrosion defects, and test the influence of cracks and steel corrosion defects on the mechanical properties of steel concrete foundations. At present, the production methods and tools f...

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Application Information

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IPC IPC(8): B28B23/02E02D27/42
CPCB28B23/02E02D27/42
Inventor 王彦海李清泉时文峰陈波
Owner CHINA THREE GORGES UNIV
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