CN219842222U - Geotextile holding strength test sample preparation device - Google Patents
Geotextile holding strength test sample preparation device Download PDFInfo
- Publication number
- CN219842222U CN219842222U CN202320307623.8U CN202320307623U CN219842222U CN 219842222 U CN219842222 U CN 219842222U CN 202320307623 U CN202320307623 U CN 202320307623U CN 219842222 U CN219842222 U CN 219842222U
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- China
- Prior art keywords
- square plate
- lines
- geotextile
- test sample
- strength test
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 239000004746 geotextile Substances 0.000 title claims abstract description 23
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a geotextile holding strength test sample preparation device. The utility model aims to provide a geotextile holding strength test sample preparation device, which can accurately and rapidly cut geotextile holding strength test samples, so that the test speed is greatly improved, and the accurate size of the samples is ensured. The technical scheme of the utility model is as follows: the square plate is rectangular, two measuring lines and two transverse clamping lines are arranged, the two measuring lines and the two transverse clamping lines are symmetrically arranged along the width direction of the square plate, and the transverse clamping lines are positioned between the measuring lines and the wide edges of the square plate; four longitudinal clamping lines are also arranged and symmetrically arranged along the length direction of the square plate. Preferably, the device further comprises a handle, wherein the handle is arranged at the center of the surface of the square plate. The utility model is suitable for the field of geotextile tests.
Description
Technical Field
The utility model relates to the field of geotextile tests, in particular to a geotextile holding strength test sample preparation device.
Background
Geotextile is one of very important materials in engineering construction, is widely applied to construction fields such as traffic, energy, water conservancy and environment, and the holding strength and elongation obtained by a holding strength test are important indexes reflecting the performance quality of the geotextile. The geotextile holding strength test is carried out on a material testing machine, and the two clamping surfaces of the clamp are parallel, so that the sample can be prevented from sliding.
Geotextile grip strength tests require that samples be cut out of multiple samples on a representative sample that is fold-free, crease-free, or crease-free. At present, the geotechnical fabric holding strength test sample is prepared and cut by adopting a manual ruler for positioning, so that the geotechnical fabric holding strength test sample is long in time, low in work efficiency and inaccurate in cutting size, and the accuracy of a test result is affected.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a geotextile holding strength test sample preparation device, which can accurately and rapidly cut geotextile holding strength test samples, greatly improve test speed and ensure accurate sample size, and has the following technical scheme:
the device comprises a square plate, a metering line, a transverse clamping line and a longitudinal clamping line;
the square plate is rectangular, two metering lines and two transverse clamping lines are arranged, the two metering lines and the two transverse clamping lines are symmetrically arranged along the width direction of the square plate, and the transverse clamping lines are positioned between the metering lines and the wide edges of the square plate; four longitudinal clamping lines are also arranged and symmetrically arranged along the length direction of the square plate.
Preferably, the device further comprises a handle, wherein the handle is arranged at the center of the surface of the square plate.
Preferably, the square plate is made of organic glass, plastic or metal.
Preferably, the size of the square plate is matched with the size of the test sample, and the spacing between the metering line, the transverse clamping line and the longitudinal clamping line is matched with the requirement of the test sample.
The beneficial effects of the utility model are as follows:
1. the utility model can accurately and rapidly cut the geotextile holding strength test sample, and the sample preparation work is accurate and efficient.
2. The size of the square plate, the spacing between the measuring line, the transverse clamping line and the longitudinal clamping line are matched with the requirements of test samples, so that the test speed is greatly improved, the sample size is accurate, and the accurate and reliable test result is ensured.
3. The utility model is provided with the handle, so that the operation and the use of the device are convenient.
Drawings
FIG. 1 is a schematic structural view of a geotextile grip strength test sample preparation device provided by the utility model;
reference numerals illustrate: 1-square plate; 2-gauge line; 3-a transverse clamping line; 4-a longitudinal clamping line; 5-handle.
Detailed Description
The utility model is further described below with reference to examples. The following examples are presented only to aid in the understanding of the utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Example 1:
in the geotextile grip strength test, it is required that at least 5 samples are cut out on a representative sample having no folding, crease or wrinkle, the size of the sample is length x width equal to 200mm x 100mm, and the length direction thereof is parallel to the direction of the load. The sample has a measured length of 75mm and extends at least 10mm in the length direction from the clamp.
When the sample is clamped in the holding strength test, the distance between the upper clamp and the lower clamp of the instrument is corrected to be 75mm, the sample is centered and clamped in the clamp, the length direction of the sample is parallel to the load direction, and the sample extends out of the clamp for at least 10mm in the length direction. It is generally suitable to draw two mark lines which are 75mm apart along the width direction of the sample in advance, when clamping the sample, the two mark lines are overlapped with the edges of the upper and lower clamping jaws, and in addition, two mark lines which are transverse to the width direction of the sample and are parallel are respectively drawn at the position 12.5mm away from the two wide edges; in addition, in order to facilitate the centering of the sample in the width direction of the clamp, two mark lines which are parallel along the length direction of the sample are drawn in advance at a position 37.5mm away from the two long sides of the sample.
However, the existing test sample preparation is not accurate in cutting size and low in work efficiency.
In this regard, the present utility model provides a geotextile grip strength test sample preparation device, as shown in fig. 1, comprising:
square plate 1, metering line 2, transverse clamping line 3 and longitudinal clamping line 4;
the square plate 1 is rectangular, two metering lines 2 and two transverse clamping lines 3 are arranged, the two transverse clamping lines 3 are respectively arranged in a centering manner along the two sides of the width direction of the square plate 1, and the transverse clamping lines 3 are positioned between the metering lines 2 and the wide edges of the square plate 1; four longitudinal clamping lines 4 are also arranged and are arranged in a centering way along the two sides of the length direction of the square plate 1.
And the device also comprises a handle 5, wherein the handle 5 is arranged in the center of the surface of the square plate 1.
The square plate 1 is made of organic glass, plastic or metal.
The size of the square plate 1 is matched with the size of a test sample, and the distances among the metering line 2, the transverse clamping line 3 and the longitudinal clamping line 4 are matched with the requirements of the test sample. The square plate is exemplified by a width of 100mm, a length of 200mm and a thickness of 2mm. The distance between two measurement lines 2 is 75mm, sets up along square board 1 width direction's both sides centering, and two horizontal centre gripping lines 3 are located along square board width direction both sides centering of two broadsides 12.5mm apart from square board 1, and the width of measurement line 2, horizontal centre gripping line 3 is 1mm, and vertical centre gripping line 4 is located along square board length direction both sides centering of two long sides 37.5mm apart from square board 1, and its width is 1mm.
Example 2:
when the sample is cut, the replaced surface geotextile sample is flatly placed on a workbench, and the sample is flat and has no obvious appearance defects such as crease, hole, stain and the like. The device is horizontally placed on a sample, a hand handle 5 is pressed by one hand, and a marking pen is used by the other hand to mark along the periphery of the square plate 1, and then mark along two measuring lines 2, a transverse clamping line 3 and four longitudinal clamping lines 4.
The device is taken off, and a shear or art designer knife is used for cutting the sample along the line of the drawn square plate 1.
And carrying out a test on the cut sample after the cut sample is subjected to humidity conditioning treatment according to requirements. Firstly, a sample is installed, the lower edges of an upper clamp opening and a lower clamp opening are overlapped with two metering lines drawn by the metering lines 2, the upper edges of the upper clamp opening and the lower clamp opening are overlapped with the transverse clamping lines drawn by the two transverse clamping lines 3, and simultaneously, the left side and the right side of the upper clamp opening and the lower clamp opening are overlapped with the longitudinal clamping lines drawn by the longitudinal clamping lines 4.
Claims (4)
1. A geotextile grip strength test sample preparation device, comprising: the device comprises a square plate (1), a metering line (2), a transverse clamping line (3) and a longitudinal clamping line (4);
the square plate (1) is rectangular, two metering lines (2) and two transverse clamping lines (3) are arranged, the two transverse clamping lines are symmetrically arranged along the width direction of the square plate (1), and the transverse clamping lines (3) are positioned between the metering lines (2) and the broadsides of the square plate (1); four longitudinal clamping lines (4) are also arranged and symmetrically arranged along the length direction of the square plate (1).
2. The geotextile grip strength test sample preparation device according to claim 1, further comprising a handle (5), wherein the handle (5) is provided at the center of the surface of the square plate (1).
3. Geotextile grip strength test sample preparation device according to claim 1, characterized in that the square plate (1) is made of organic glass, plastic or metal.
4. The geotextile gripping strength test sample preparation device according to claim 1, wherein the size of the square plate (1) is matched with the size of a test sample, and the spacing between the metering line (2), the transverse clamping line (3) and the longitudinal clamping line (4) is matched with the requirement of the test sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320307623.8U CN219842222U (en) | 2023-02-21 | 2023-02-21 | Geotextile holding strength test sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320307623.8U CN219842222U (en) | 2023-02-21 | 2023-02-21 | Geotextile holding strength test sample preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842222U true CN219842222U (en) | 2023-10-17 |
Family
ID=88298997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320307623.8U Active CN219842222U (en) | 2023-02-21 | 2023-02-21 | Geotextile holding strength test sample preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842222U (en) |
-
2023
- 2023-02-21 CN CN202320307623.8U patent/CN219842222U/en active Active
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