CN215866307U - Concrete internal deformation and crack testing device under warm and humid salt and other environment effects - Google Patents
Concrete internal deformation and crack testing device under warm and humid salt and other environment effects Download PDFInfo
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- CN215866307U CN215866307U CN202122070085.9U CN202122070085U CN215866307U CN 215866307 U CN215866307 U CN 215866307U CN 202122070085 U CN202122070085 U CN 202122070085U CN 215866307 U CN215866307 U CN 215866307U
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Abstract
The invention discloses a device for testing internal deformation and cracks of concrete under the action of environment such as warm and humid salt and the like, which comprises a case, wherein the bottom of the case is provided with an equipment chamber, the upper part of the case is provided with a detection chamber, a compressor and a water tank are arranged in the equipment chamber, the front surface of the case is provided with a temperature and humidity control panel, a plurality of groups of first guide rails are arranged on two sides in the detection chamber, grids are arranged in the first guide rails, a second opposite guide rail is arranged in the detection chamber, a sliding rod is arranged in the second guide rail, a third guide rail is arranged on the sliding rod, a sliding block is arranged in the third guide rail, a crack capture instrument is arranged on the sliding block and is connected with a computer, a displacement sensor is also arranged in the detection chamber and is connected with a data acquisition device arranged outside the case, and a crack acquisition system and image processing software are arranged in the computer. The invention can realize real-time dynamic test of the evolution rule of the internal deformation and the crack of the concrete under different environments, provides technical support for further analyzing the performance damage rule and the service life prediction of the concrete, and improves the test efficiency and the test precision.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a device for testing internal deformation and cracks of concrete under the action of environments such as warm and wet salt and the like.
Background
Along with the rapid development of infrastructure in China, the using amount of concrete structures is larger and larger, the influence of the deformation and cracking performance of the concrete under the action of the environment on the service safety and service life of the concrete structures is very important, the geographical climate environment in China is complex and changeable, and in addition, due to the limitation of test instruments and test methods, the deformation and cracking of standard concrete under the action of the environment cannot be accurately tested in real time at the present stage. Therefore, the research on the deformation and cracking rule of the concrete under the action of the environment has important theoretical and practical significance for preventing and controlling diseases of the concrete structure.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a device for testing the internal deformation and crack of concrete under the action of environments such as warm and humid salt and the like.
The device comprises a case, wherein the bottom of the case is an equipment room, the upper part of the case is a detection room, a compressor and a water tank are arranged in the equipment room, the water tank is connected with the detection room through a moisture transmission pipeline, the front surface of the case is provided with a temperature and humidity control panel, a control chip is arranged in the control panel and is connected with the compressor and the water tank, a plurality of sets of guide rails I which are oppositely arranged are arranged on two sides in the detection room, a grid is arranged in the guide rails I, two opposite guide rails II are arranged on two side surfaces of the upper part in the detection room, a slide bar is arranged in the guide rails II, a guide rail III is arranged on the slide bar, a slide block is arranged in the guide rail III, a crack catcher is arranged on the slide block and is connected with a computer, a displacement sensor (not shown in the figure and the same below) is also arranged in the detection room, and is connected with a data collector arranged outside the case, the computer is internally provided with a crack acquisition system and image processing software, and the side surface of the detection box is provided with a cable outlet.
In order to conveniently detect the erosion process of the cement-based test block in the salt solution, the grid is provided with a tray.
In order to ensure that the cement-based test block is fully contacted with the saline solution, a plurality of rubber strips or bulges are arranged in the tray.
In order to facilitate observation of the conditions in the detection chamber, the front face of the case is provided with a visible window.
Compared with the prior art, the device for testing the internal deformation and crack of the concrete under the environmental effects of warm and humid salt and the like has the beneficial effects that: the invention can realize real-time dynamic test of the evolution rule of the internal deformation and the crack of the concrete under different environments, provides technical support for further analyzing the performance damage rule and the service life prediction of the concrete, improves the test efficiency and the test precision, and ensures the accuracy of indoor scientific test.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is an external structural view of the present invention.
Shown in the figure, 1-case, 2-equipment room, 3-guide rail I, 4-grid, 5-detection room, 6-tray, 7-guide rail II, 8-slide bar, 9-crack catcher, 10-slide block, 11-guide rail III, 12-compressor, 13-water tank, 14-temperature and humidity control panel and 15-visible window.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the claims, but rather by the claims. In addition, the terms such as "upper" and "bottom" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the concrete internal deformation and crack testing device under the environmental effects of warm and humid salt and the like comprises a case 1, wherein the bottom of the case 1 is provided with an equipment chamber 2, the upper part of the case 1 is provided with a detection chamber 5, a compressor 12 and a water tank 13 are arranged in the equipment chamber 2, the equipment chamber 2 is the prior art, and therefore redundant description is omitted, the water tank 13 is connected with the detection chamber 5 through a moisture transmission pipeline, the front surface of the case 1 is provided with a temperature and humidity control panel 14, a control chip is arranged in the control panel and is connected with the compressor 12 and the water tank 13, two sides in the detection chamber 5 are provided with a plurality of groups of guide rails one 3 which are arranged oppositely, a grid 4 is arranged in each guide rail one 3, two opposite guide rails 7 are arranged on two side surfaces of the upper part in the detection chamber 5, a slide bar 8 is arranged in each guide rail two 7, a guide rail three 11 is arranged on each slide bar 8, and a slide block 10 is arranged in each guide rail three 11, the utility model discloses a crack detection device, including slider 10, crack catcher 9, guide rail two 7 and guide rail three 11, the controller setting of electronic guide rail is positive at quick-witted case 1, and data collection station is 24 passageways, can not only gather, save, analysis data, can also realize multi-user management, many field management, multi-terminal management etc. through the database based on the internet, still be equipped with displacement sensor in the detection chamber 5, displacement sensor is connected with the data collection station who locates quick-witted case 1 outside, is equipped with crack collection system and image processing software in the computer, and guide rail two 7 and guide rail three 11 are electronic guide rail, and electronic guide rail's controller setting is positive at quick-witted case 1.
In order to conveniently detect the etching process of the cement-based test block in the salt solution, a tray 6 is arranged on the grating 4, and the tray 6 is made of stainless steel.
In order to ensure that the cement-based test block is fully contacted with the saline solution, a plurality of rubber strips or bulges are arranged in the tray 6.
In order to facilitate the observation of the conditions inside the detection chamber 5, the front face of the case 1 is provided with a visual window 15.
The invention is realized by the following modes: when the test device is used, test items are selected according to requirements, if the etching process of the cement-based test block in the salt solution is to be detected, the cement-based test block is placed in the tray 6, the salt solution with a certain depth is placed in the tray 6, then the temperature in the detection chamber 5 is set, and the etching process of the concrete material in the salt solution at the temperature is simulated; if the crack and the inside deformation condition of cement base test block need to be detected, can directly place cement base test block on grid 4, then paste displacement sensor on cement base test block surface, through setting up the humiture circulation rule in the detection room, detect the inside deformation of cement base test block through displacement sensor, catch the crack condition of appearance 9, crack collection system and image processing software real-time supervision cement base test block through the crack, crack is caught appearance 9 and is realized horizontal and longitudinal movement through two 7 of guide rails and three 11 of guide rails at detection room 5 top, in order to guarantee to detect the crack on different cement base test block surfaces.
The method for detecting the cement-based test block by using the test device for detecting the internal deformation and crack of the concrete under the environmental effects of temperature, wet salt and the like comprises the following steps:
(1) sticking a displacement sensor to the molded side surface of the cement-based test block which is maintained to the specified age;
(2) if the process is the process of detecting the erosion of the cement-based test block in the saline solution, the cement-based test block pasted with the displacement sensor is placed into a tray according to a certain distance, the saline solution with a certain depth is placed into the tray according to the requirement, then the environmental temperature of a detection chamber is set, and the saline solution erosion process of the concrete material under the environmental action is simulated; if the deformation and the crack in the cement-based test block are detected, the cement-based test block can be directly attached to a displacement sensor and then directly placed on a grid, and the temperature and humidity circulation rule in a detection chamber is set to simulate the dry-wet circulation process of the concrete material under the action of the environment;
(3) data transmission is carried out on the displacement sensor for the data acquisition unit, then the data acquisition unit is displayed through a computer, the crack capture instrument moves on the upper portion of the detection chamber through moving the guide rail II and the guide rail III, so that the crack capture instrument can move to the upper portion of a cement-based test block to be detected, the data captured by the crack capture instrument is transmitted to a crack acquisition system and image processing software in real time, and tests of internal deformation and cracks of concrete under the action of environments such as warm and humid salt are completed.
The scope of the present invention is not limited to the technical solutions disclosed in the embodiments, and any modifications, equivalent substitutions, improvements, etc. made to the above embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (4)
1. A test device for internal deformation and crack of concrete under the action of warm and humid salt and other environments comprises a case, the bottom of the case is an equipment chamber, the upper part of the case is a detection chamber, a compressor and a water tank are arranged in the equipment chamber, the water tank is connected with the detection chamber through a moisture transmission pipeline, the front of the case is provided with a temperature and humidity control panel, the method is characterized in that: a plurality of sets of guide rails I which are oppositely arranged are arranged on the two sides in the detection chamber, a grid is arranged in each guide rail I, two opposite guide rails II are arranged on two side surfaces of the upper part in the detection chamber, slide bars are arranged in the guide rails II, a third guide rail is arranged on the slide bar, a slide block is arranged in the third guide rail, a crack catcher is arranged on the slide block, the crack capture instrument is connected with a computer, a displacement sensor is further arranged in the detection chamber and connected with a data acquisition unit arranged outside the case, and a crack acquisition system and image processing software are installed in the computer.
2. The device for testing the internal deformation and the crack of the concrete under the action of the warm and humid salt and other environments as claimed in claim 1, wherein a tray is arranged on the grating.
3. The device for testing the internal deformation and the crack of the concrete under the action of the warm and humid salt and other environments as claimed in claim 2, wherein a plurality of rubber strips or bulges are arranged in the tray.
4. The device for testing the internal deformation and crack of the concrete under the action of the environment such as wet salt and the like as claimed in claim 1 or 2, wherein a visible window is arranged on the front surface of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122070085.9U CN215866307U (en) | 2021-08-31 | 2021-08-31 | Concrete internal deformation and crack testing device under warm and humid salt and other environment effects |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122070085.9U CN215866307U (en) | 2021-08-31 | 2021-08-31 | Concrete internal deformation and crack testing device under warm and humid salt and other environment effects |
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| CN215866307U true CN215866307U (en) | 2022-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533190A (en) * | 2021-08-31 | 2021-10-22 | 中国建筑第四工程局有限公司 | Concrete internal deformation and crack testing device under warm and humid salt and other environment effects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533190A (en) * | 2021-08-31 | 2021-10-22 | 中国建筑第四工程局有限公司 | Concrete internal deformation and crack testing device under warm and humid salt and other environment effects |
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