A durability test system for concrete repair agent

A technology of durability test and repair agent, applied in the direction of instruments, material electrochemical variables, measuring devices, etc., can solve the problem of not being able to meet the durability test at the same time, and achieve the effect of improving the use efficiency

Active Publication Date: 2021-09-24
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Since the existing molds at this stage cannot meet the durability test and the bond strength test at the same time, in order to completely and efficiently detect the repair performance of the repair agent, it is necessary to create a test system that can perform durability tests (accelerated tests) on samples. , reduce the difficulty of prosthetic performance testing and improve the efficiency of testing

Method used

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  • A durability test system for concrete repair agent
  • A durability test system for concrete repair agent
  • A durability test system for concrete repair agent

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Such as Figure 1~4 A concrete repair agent durability test system shown includes a box body 2, three test boxes 3 placed in the box body 2 and stacked along the height direction, and a central control system 1 installed on the left side of the box body 2. The inner wall of the body 2 is fixedly installed with a liquid storage tank 24 for placing a corrosive solution. The liquid storage tank 24 communicates with the test box 3 through an infusion pipeline 26, and the central control system 1 controls the injection of the corrosive solution in the test box 3 into the test box. 3. The solution storage area realizes the automation of corrosive solution injection. The corrosive solution is sodium sulfate, magnesium sulfate, sodium chloride, etc. A heating pipe 27, a condenser 23, a humidifier 25, a ventilation fan 21, an ultraviolet lamp 22, a sensor and an internal integrated circuit connected with the central control system 1 are also installed in the casing 2. The centr...

Embodiment 2

[0058] Such as Figure 1~3 and Figure 5 The difference between embodiment 2 and embodiment 1 of the shown durability test system for concrete repair agent is that only the second inserting plate 362 and the second inserting plate 362 are inserted between the first partition 331 and the second partition 332 The four inserting plates 364 and the sixth inserting plate 366 form four chambers, which are chamber one, chamber two, chamber three, and chamber four from left to right. Fill chambers one and three with ordinary concrete, and after curing, Remove the second board 362 and the sixth board 366, fill the second and fourth chambers with concrete restoration agents such as magnesium phosphate cement mortar, epoxy resin modified mortar, etc., and form two 40*40*160 for curing Specimens for flexural tests.

[0059] After the molded test piece is cured to the expected strength, the first partition 331 and the second partition 332 are removed, the test box 3 is placed in the box ...

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Abstract

The invention belongs to the technical field of concrete repair agent detection, and relates to a concrete repair agent durability test system. The liquid storage tank installed on the inner wall of the box is connected with the test box through the infusion pipeline, and the corrosiveness in the test box is controlled by a central control system. The amount of solution entering, the test box includes a base, two partitions fixed in the middle of the base in the longitudinal direction and several inserting plates evenly inserted between the partitions in the horizontal direction, and round holes are opened on the upper and lower sides of the four corners of the base. The bottom and the round hole are equipped with wire joints, and the round hole adjacent to the base is detachably installed with a wire support for stacking the test box. The inside of the wire support is provided with a live wire, and the test box moves on the side wall near the infusion pipeline. Equipped with a variety of telescopic electrodes, the concrete repair agent durability test system can integrate various environmental factors to complete the durability test of concrete repair agents in batches, while reducing the difficulty of repair agent performance testing and improving detection efficiency.

Description

technical field [0001] The invention belongs to the technical field of repair detection of concrete repair agents, and relates to a durability test system for concrete repair agents, in particular to a test and detection system for the durability of the repair effect of concrete repair agents. ts: (Concrete Restorer Durability) Background technique [0002] Concrete materials are widely used in various construction projects in the form of reinforced concrete because of their high compressive strength, good integrity, high plasticity and low cost. The structure it consists of is not easy to be demolished and rebuilt on a large scale, so the existence of concrete repair agents is extremely necessary. The current cement concrete repair materials can be divided into two types according to their properties: inorganic and organic. Inorganic materials are mainly cement-based materials, which have fast hydration speed and low cost, but they are easy to fall off and fail. Organic m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/30
CPCG01N27/307
Inventor 谭林周帅廖嘉欣米鑫黄弘王冲
Owner CHONGQING UNIV
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