CN219104516U - Auxiliary device for concrete static compression elastic modulus test - Google Patents
Auxiliary device for concrete static compression elastic modulus test Download PDFInfo
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- CN219104516U CN219104516U CN202222578068.0U CN202222578068U CN219104516U CN 219104516 U CN219104516 U CN 219104516U CN 202222578068 U CN202222578068 U CN 202222578068U CN 219104516 U CN219104516 U CN 219104516U
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Abstract
The utility model relates to an auxiliary device for a concrete static compression elastic modulus test. The device is suitable for the technical field of devices for concrete static compression elastic modulus tests. The technical scheme adopted by the utility model is as follows: an auxiliary device for concrete static force compressive elastic modulus test is used for rapidly positioning the mounting position of a resistance strain gauge on a concrete test piece, and the concrete test piece is placed on a test bench along the vertical direction, and is characterized in that: the vertical sleeve plate is sleeved outside the concrete test piece, the height of the vertical sleeve plate is consistent with that of the concrete test piece, and two marks are arranged on the vertical sleeve plate at positions corresponding to the middle position of the concrete test piece in a central symmetry mode. So, after placing the concrete test piece on the testboard vertically, through with vertical sleeve board suit on the concrete test piece, can confirm the position of pasting the resistance strain gauge on the concrete test piece through setting up two marks on vertical sleeve board.
Description
Technical Field
The utility model relates to an auxiliary device for a concrete static compression elastic modulus test. The device is suitable for the technical field of devices for concrete static compression elastic modulus tests.
Background
When the concrete is tested by static compression elastic modulus test, a deformation measuring device is required to be installed, the deformation measuring device generally adopts a dial gauge, a displacement sensor or an equal resistance strain gauge, and the deformation measuring device is required to be installed at the symmetrical middle parts of the two sides of the test piece. The test piece size of the concrete static compression elastic modulus test is phi 150mm multiplied by 300mm or phi 300mm multiplied by 600mm or phi 450mm multiplied by 900mm.
When the deformation is measured by adopting the resistance strain gauge, after the test piece is taken out from the curing chamber, the surface of the middle part of the test piece is blown dry by using an electric hair drier as soon as possible, and then the resistance strain gauge is glued and stuck by using 502 glue, wherein the length of the resistance strain gauge is not less than 3 times of the maximum grain size of aggregate. Taking out the test piece until the test is finished, and taking out the test piece, wherein the test piece is not suitable for exceeding 4 hours and paying attention to moisture retention. Therefore, the mounting and pasting of the resistance strain gauge are extremely important, the mounting is required to be completed in a short time, and the mounting at the middle symmetrical positions of the two sides of the test piece is ensured, otherwise, the accuracy of the test result is affected.
At present, in the process of installing the resistance strain gauge, the installation position of the resistance strain gauge on a concrete test piece is generally determined by manually using tools such as a ruler and a compass, various tools are needed in the process, visual errors are overlapped in the process of replacing construction tools due to visual errors of personnel in the process of using different tools for many times, so that the final determined installation position deviation of the two resistance strain gauges is larger, the test result is influenced, and meanwhile, more time is needed for position confirmation by using various ruler and compass tools, so that the bonding stability of the resistance strain gauge is influenced.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the technical problems, the utility model provides an auxiliary device for a concrete static pressure-resistant elastic modulus test, which can accurately and rapidly position a position of attaching a resistance strain gauge on a concrete test piece in the concrete static pressure-resistant elastic modulus test.
The technical scheme adopted by the utility model is as follows: an auxiliary device for concrete static force compressive elastic modulus test is used for rapidly positioning the mounting position of a resistance strain gauge on a concrete test piece, and the concrete test piece is placed on a test bench along the vertical direction, and is characterized in that: the vertical sleeve plate is sleeved outside the concrete test piece, the height of the vertical sleeve plate is consistent with that of the concrete test piece, and two marks are arranged on the vertical sleeve plate at positions corresponding to the middle position of the concrete test piece in a central symmetry mode. So, after placing the concrete test piece on the testboard vertically, through with vertical sleeve board suit on the concrete test piece, can confirm the position of pasting the resistance strain gauge on the concrete test piece through setting up two marks on vertical sleeve board.
The cross section of vertical sleeve board is semi-circular, and both ends all are made at the left and right sides of vertical sleeve board have along the scale of vertical direction arrangement, the sign setting corresponds the position department with concrete test piece intermediate position on the scale. So, make things convenient for the dismouting of vertical sleeve board, vertical sleeve board can be taken off from arbitrary direction, and the staff of being convenient for simultaneously uses the marker pen to make the mark with scale sign corresponding position department on concrete test piece surface.
And a horizontal sleeve plate is fixedly arranged at the top end of the vertical sleeve plate. So, when with vertical sleeve plate suit on the concrete sample, the horizontal sleeve plate at vertical sleeve plate top cooperates with the concrete sample top surface, carries out spacingly on the concrete sample to vertical sleeve plate suit. Through the cooperation of horizontal sleeve board and concrete test piece top surface, the cooperation of vertical sleeve board and concrete test piece side makes vertical sleeve board paste tightly on the concrete test piece steadily, avoids when being semicircular in cross section's vertical sleeve board suit on the concrete test piece, because of vertical sleeve board and concrete test piece do not paste tightly and cause the mark position that leaves on the concrete test piece according to the mark position on the scale not according to central symmetry setting.
The horizontal sleeve plate and the vertical sleeve plate are made of organic glass. Therefore, the anti-falling performance of the horizontal sleeve plate and the vertical sleeve plate is improved when the horizontal sleeve plate and the vertical sleeve plate keep good permeability.
And a handle is fixedly arranged on the vertical sleeve plate. Thus, a person can conveniently attach and detach the vertical sleeve plate on the concrete test piece by holding the handle.
The beneficial effects of the utility model are as follows: according to the utility model, the vertical sleeve plate with the handle, the horizontal sleeve plate arranged at the top end of the vertical sleeve plate, and the scales and the marks arranged at the left end and the right end of the vertical sleeve plate are arranged, so that a person can conveniently sleeve the device on a concrete test piece before starting a test and quickly position the pasting position of the resistance strain gauge, meanwhile, after completing quick positioning of the pasting position of the resistance strain gauge, the device is conveniently taken down from the concrete test piece by the person through the handle, and the efficiency of pasting the resistance strain gauge by the person in the test process is greatly improved.
Drawings
Fig. 1: the structure of the utility model is schematically shown.
Fig. 2: the utility model is a schematic diagram mounted on a concrete test piece.
In the figure: 1. a horizontal sleeve plate; 2. a vertical sleeve plate; 3. a ruler; 4. a handle.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
The embodiment is an auxiliary device for a concrete static compression elastic modulus test, which is provided with a vertical sleeve plate 2 sleeved outside concrete test pieces arranged vertically, wherein the dimensions of the concrete test pieces in the concrete static compression elastic modulus test are phi 150mm multiplied by 300mm or phi 3000mm multiplied by 600mm or 450mm multiplied by 900mm, and the vertical sleeve plates 2 with different dimensions are used according to the concrete test pieces with different dimensions in the embodiment.
In this embodiment, the cross section of the vertical sleeve plate 2 is semicircular, the inner wall of the vertical sleeve plate 2 is matched with the cylindrical outer wall of the concrete test piece, the scales 3 are respectively arranged at the left end and the right end of the vertical sleeve plate 2 along the vertical direction, the marks are arranged at the middle scale positions of the scales 3, the corresponding positions of the marks on the concrete test piece are symmetrical according to the axis of the vertical sleeve plate 2 when the vertical sleeve plate 2 is sleeved on the concrete test piece, and the positions corresponding to the marks on the concrete test piece are located at the middle positions of the vertical direction of the concrete test piece.
In this embodiment, a horizontal sleeve plate 1 is fixedly installed on top of a vertical sleeve plate 2. When the vertical sleeve plate 2 is sleeved outside the concrete test piece, the horizontal sleeve plate 1 is matched with the top surface of the concrete test piece. The horizontal sleeve plate 1 is tightly attached to the top surface of a concrete test piece, the vertical sleeve plate 2 is tightly attached to the side surface of the concrete test piece, the fact that the vertical sleeve plate 2 with the semicircular cross section can be tightly attached to the concrete test piece is achieved, and the situation that two marks made on the concrete test piece are not formed after the vertical sleeve plate 2 is not tightly attached to the concrete test piece and the vertical sleeve plate 2 is deflected on the surface of the concrete test piece in the process of determining the pasting position of the resistance strain gauge is avoided.
In this embodiment, the horizontal sleeve plate 1 and the vertical sleeve plate 2 are made of organic glass. Thus, the device maintains good anti-falling performance under the performance of higher permeability.
In this embodiment, in order to facilitate personnel to tightly fit the device on the concrete test piece before the start of the test, and to take the device off the concrete test piece after the determination of the sticking position of the resistance strain gauge, a handle 4 is provided at the middle position of the outer side surface of the vertical sleeve plate 2.
The application method of the embodiment is as follows: placing a concrete test piece on a test workbench along the vertical direction, and selecting a vertical sleeve plate 2 corresponding to the concrete test piece in the size according to the size of the concrete test piece;
the handle 4 is held by a person, the vertical sleeve plate 2 is sleeved on the concrete test piece, so that the vertical sleeve plate 2 is matched with the outer side wall of the concrete test piece, and the horizontal sleeve plate 1 is matched with the top surface of the concrete test piece;
marking positions corresponding to marks on the scales 3 at the left end and the right end of the vertical sleeve plate 2 on the surface of the concrete test piece by using a marking pen by personnel, wherein the distance between the marks at the upper side and the lower side of the zero scale is equal to the length of a resistance strain gauge to be pasted, and the marks at the upper side and the lower side of the zero scale are symmetrical to the zero scale;
the handle 4 is held by a person, and the vertical sleeve plate 2 is taken down from the concrete test piece;
according to the length of the resistance strain gauge, the resistance strain gauge is stuck to the symmetrical positions of the two sides of the marked position on the surface of the concrete test piece, and in the process of sticking the resistance strain gauge, marks on the upper side and the lower side of the zero scale are required to be corresponding to the central positions of the upper end and the lower end of the resistance strain gauge in the width direction.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. An auxiliary device for concrete static force compressive elastic modulus test is used for rapidly positioning the mounting position of a resistance strain gauge on a concrete test piece, and the concrete test piece is placed on a test bench along the vertical direction, and is characterized in that: the vertical sleeve plate (2) is sleeved outside the concrete test piece, the height of the vertical sleeve plate (2) is consistent with the height of the concrete test piece, and two marks are arranged on the vertical sleeve plate (2) at positions corresponding to the middle position of the concrete test piece in an axisymmetric mode of the vertical sleeve plate (2).
2. An auxiliary device for a static compressive modulus of elasticity test of concrete according to claim 1, wherein: the cross section of the vertical sleeve plate (2) is semicircular, the left end and the right end of the vertical sleeve plate (2) are both provided with scales (3) which are arranged along the vertical direction, and the marks are arranged on the scales (3) and correspond to the middle position of the concrete test piece.
3. An auxiliary device for a static compressive modulus of elasticity test of concrete according to claim 2, wherein: the top end of the vertical sleeve plate (2) is fixedly provided with a horizontal sleeve plate (1).
4. An auxiliary device for a static compressive modulus of elasticity test of concrete according to claim 3, wherein: the horizontal sleeve plate (1) and the vertical sleeve plate (2) are made of organic glass materials.
5. An auxiliary device for a static compressive modulus of elasticity test of concrete according to claim 1, wherein: a handle (4) is fixedly arranged on the vertical sleeve plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222578068.0U CN219104516U (en) | 2022-09-28 | 2022-09-28 | Auxiliary device for concrete static compression elastic modulus test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222578068.0U CN219104516U (en) | 2022-09-28 | 2022-09-28 | Auxiliary device for concrete static compression elastic modulus test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219104516U true CN219104516U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222578068.0U Active CN219104516U (en) | 2022-09-28 | 2022-09-28 | Auxiliary device for concrete static compression elastic modulus test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219104516U (en) |
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2022
- 2022-09-28 CN CN202222578068.0U patent/CN219104516U/en active Active
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