CN202403975U - Geosynthetics all-around tension testing equipment - Google Patents
Geosynthetics all-around tension testing equipment Download PDFInfo
- Publication number
- CN202403975U CN202403975U CN2011205715939U CN201120571593U CN202403975U CN 202403975 U CN202403975 U CN 202403975U CN 2011205715939 U CN2011205715939 U CN 2011205715939U CN 201120571593 U CN201120571593 U CN 201120571593U CN 202403975 U CN202403975 U CN 202403975U
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- flat planar
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- geosynthetics
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- flat plate
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Abstract
The utility model provides geosynthetics all-around tension testing equipment, which is characterized by including a sample fixing flat plate fixed on a rack and provided with a through hole in the middle, and an annular clamp provided with bolt holes uniformly distributed at the periphery, wherein corresponding bolts are uniformly distributed at the periphery of the sample fixing flat plate; an outlet of a pressure pump is connected with the through hole at the center of the sample fixing flat plate through a pipeline; a pressure testing port arranged in the sample fixing flat plate is communicated with a pressure testing device; a relief valve is also arranged on the bottom surface of the sample fixing flat plate; a water-proof flexible sheet is flatwise arranged on the fixing flat plate and fixed on the sample fixing flat plate through the annular clamp; and a displacement testing device is arranged on a bracket of the sample fixing flat plate. According to the utility model, the pressure pump is used for all-around pressurization for a sealed space formed by the sample fixing flat plate and the water-proof flexible sheet, so that the geosynthetics can be stressed and deformed; the pressure testing device and the displacement testing device record pressure value and displacement value, the testing result truly reflects the all-around stress born by the sample; besides, the structure is simple, and the operation is convenient.
Description
Technical field
The utility model belongs to properties of product checkout equipment technical field, relates to a kind of tensile test dress
Putting, is a kind of geosynthetics omnidirectional tensile test equipment specifically.
Background technology
Tensile strength is to weigh the leading indicator of geosynthetics (like GSZ) mechanical property; Geosynthetics (like GSZ) product all adopts conventional material puller system to test at present; Promptly test the tensile strength of geosynthetics (like GSZ) vertical and horizontal respectively; But geosynthetics (like GSZ) in use; Stressed is omnibearing, and only the tensile strength of vertical and horizontal can not better reflect mechanical property and the state of geosynthetics (like GSZ) product when using.
Summary of the invention
The utility model is to the problems referred to above that prior art exists, and a kind of geosynthetics omnidirectional tensile test equipment is provided, and can apply omnidirectional's pulling force to geosynthetics (like GSZ), the size and the corresponding distortion of test omnidirectional pulling force.
The purpose of the utility model realizes through following technical scheme:
A kind of geosynthetics omnidirectional tensile test equipment; Comprise sample clamp device, device for exerting, pressure test device, displacement tester, frame and control system; It is characterized in that said sample clamp device comprises sample fixed flat planar, annular holder, the sample fixed flat planar is fixed on the frame, and the center of sample fixed flat planar has a through hole; Be evenly equipped with bolt around the said through hole, be evenly equipped with corresponding bolt hole around the annular holder; The said device of exerting pressure comprises water proof flexible sheet, force (forcing) pump, blowdown valve; Said pressurization delivery side of pump connects the through hole at sample fixed flat planar center through pipeline; One pressure test mouth also is set on the sample fixed flat planar, and said pressure test device is communicated with the pressure test mouth of sample through pipeline, and a blowdown valve also is set on the bottom surface of sample fixed flat planar; The water proof flexible sheet lies on the fixed flat planar, is fixed on the sample fixed flat planar by annular holder; The sample fixed flat planar is provided with a support, and said displacement tester is arranged on the said support.
Improvement to technique scheme: said displacement tester comprises displacement transducer, transmitter, analog to digital converter; The rack-mount top that is positioned at sample fixed flat planar central through hole of displacement transducer; Contact with the center of geosynthetics; Said pressure test device comprises tensimeter, pressure transducer, transmitter, analog to digital converter, and said pressure transducer and displacement transducer are connected with computing machine in the said control system through signal wire.
Further improvement to technique scheme: the part that contacts with annular holder on the described fixed flat planar has the ring seal ring recess, and grommet type seals is installed in the groove.
Further improvement to technique scheme: described annular holder internal diameter is 1～1.5m, and external diameter is 1.2～1.8m.
The advantage and the good effect of the utility model are:
The utility model can apply omnidirectional's pulling force to geosynthetics; The size and the corresponding distortion of test omnidirectional pulling force, test result reflects the stress when product uses truly, for the quality inspection and the applied research of product provides effective testing apparatus; And it is simple in structure, easy to operate.
Description of drawings
Fig. 1 is the structural drawing of a kind of geosynthetics of the utility model omnidirectional tensile test equipment.
Embodiment
Referring to Fig. 1; The embodiment of a kind of geosynthetics of the utility model omnidirectional tensile test equipment mainly is made up of sample fixed flat planar 1, annular holder 2, water proof flexible sheet 3, force (forcing) pump 4, pressure test device 5, displacement tester 6, frame 7, blowdown valve 8.
Sample fixed flat planar 1 is fixed on the frame 7; There is a through hole in the bottom center of sample fixed flat planar 1; This through hole is connected with the outlet of force (forcing) pump 4, and the import of force (forcing) pump 4 is connected with pressure medium, and pressure medium can be water, air or other free of contamination liquid or gas.One pressure test mouth also is set on the sample fixed flat planar 1, and pressure test device 5 is communicated with the pressure test mouth of sample through pipeline.Also be provided with a blowdown valve on the bottom surface of sample fixed flat planar 1, be used for deriving pressure medium (as: water) behind the EOT.
Be evenly equipped with some bolts hole around the annular holder 2; Be evenly equipped with some bolts around on the sample fixed flat planar 1; For preventing that pressure medium from leaking, the part that contacts with annular holder 2 on the sample fixed flat planar 1 has the ring seal ring recess, and grommet type seals is installed in the groove.Water proof flexible sheet 3 lies on the sample fixed flat planar 1; Geosynthetics covers above the water proof flexible sheet 3; Annular holder 2 is placed on the geosynthetics, is installed on the bolt on the sample fixed flat planar 1 through the bolt hole on it, and fastening with nut; Displacement tester 6 is installed on support 7 or the fixed flat planar 1, and the measuring head of displacement transducer contacts with the center of geosynthetics in the displacement tester 6.
Usually the internal diameter of annular holder 2 is 1～1.5m, and external diameter is 1.2～1.8m.
The intelligent test device that described pressure test device 5 and displacement tester 6 also can be made up of sensor, transmitter, analog to digital converter; Its test signal links to each other with computer in the control system, utilizes TT&C software control pressing speed, record pressure and displacement changing curve.
During actual the use; Earlier spread water proof flexible sheet 3 (as: sheet rubber), after clamping with annular holder 2, carry out water filling with certain flow through force (forcing) pump at sample fixed flat planar 1; Be positioned at the displacement tester 6 of top, center and the variation of pressure test device 5 opening entry displacements and pressure simultaneously; After displacement reaches the respective settings height, stop water filling, discharge water simultaneously, make water proof flexible sheet 3 reply virgin state.Trip ring shaped clamp 2 is spread geosynthetics on water proof flexible sheet 3, clamp and pressurization the variation of displacement tester 6 and pressure test device 5 opening entry displacements and pressure with annular holder 2.After displacement reaches the fracture of respective settings height or geosynthetics (like GSZ), stop water filling, and discharge water and make water proof flexible sheet 3 reply ortho states.Extensibility when calculating geosynthetics (like GSZ) product omnidirectional is stressed after the elastic deformation that overcomes water proof flexible sheet 3 through formula changes and corresponding intensity, obtains intensity-extensibility curve.
Certainly, above-mentioned explanation is not to be the restriction to the utility model, and the utility model also is not limited to above-mentioned giving an example; Those skilled in the art; In the essential scope of the utility model, the variation of having done, remodeling, interpolation or replacement also should belong to the protection domain of the utility model.
Claims (5)
1. geosynthetics omnidirectional tensile test equipment; Comprise sample clamp device, device for exerting, pressure test device, displacement tester, frame and control system; It is characterized in that said sample clamp device comprises sample fixed flat planar, annular holder, the sample fixed flat planar is fixed on the frame, and the center of sample fixed flat planar has a through hole; Be evenly equipped with bolt around the said through hole, be evenly equipped with corresponding bolt hole around the annular holder; Said device for exerting comprises water proof flexible sheet, force (forcing) pump, blowdown valve; Said pressurization delivery side of pump connects the through hole at sample fixed flat planar center through pipeline; One pressure test mouth also is set on the sample fixed flat planar, and said pressure test device is communicated with the pressure test mouth of sample through pipeline, and a blowdown valve also is set on the bottom surface of sample fixed flat planar; The water proof flexible sheet lies on the fixed flat planar, is fixed on the sample fixed flat planar by annular holder; The sample fixed flat planar is provided with a support, and said displacement tester is arranged on the said support.
2. according to the described geosynthetics of claim 1 omnidirectional tensile test equipment; It is characterized in that said displacement tester comprises displacement transducer, transmitter, analog to digital converter; The rack-mount top that is positioned at sample fixed flat planar central through hole of displacement transducer; Contact with the center of geosynthetics; Said pressure test device comprises tensimeter, pressure transducer, transmitter, analog to digital converter, and said pressure transducer and displacement transducer are connected with computing machine in the said control system through signal wire.
3. according to claim 1 or 2 described geosynthetics omnidirectional tensile test equipment, it is characterized in that the part that contacts with annular holder on the described fixed flat planar has the ring seal ring recess, is equipped with grommet type seals in the groove.
4. according to claim 1 or 2 described geosynthetics omnidirectional tensile test equipment, it is characterized in that described annular holder internal diameter is 1～1.5m, external diameter is 1.2～1.8m.
5. according to the described geosynthetics of claim 3 omnidirectional tensile test equipment, it is characterized in that described annular holder internal diameter is 1～1.5m, external diameter is 1.2～1.8m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205715939U CN202403975U (en) | 2011-12-31 | 2011-12-31 | Geosynthetics all-around tension testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205715939U CN202403975U (en) | 2011-12-31 | 2011-12-31 | Geosynthetics all-around tension testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202403975U true CN202403975U (en) | 2012-08-29 |
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ID=46701616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205715939U Expired - Lifetime CN202403975U (en) | 2011-12-31 | 2011-12-31 | Geosynthetics all-around tension testing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202403975U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697849A (en) * | 2015-03-19 | 2015-06-10 | 榆林学院 | Test instrument and test method for multi-angle determination of tensile characteristic of soil |
| CN114166626A (en) * | 2021-10-28 | 2022-03-11 | 河海大学 | Portable tensile test device and method for geosynthetic material in field solution environment |
| CN114216787A (en) * | 2022-02-22 | 2022-03-22 | 江苏汇联活动地板股份有限公司 | Testing equipment and testing method for anti-static steel floor deformation |
-
2011
- 2011-12-31 CN CN2011205715939U patent/CN202403975U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697849A (en) * | 2015-03-19 | 2015-06-10 | 榆林学院 | Test instrument and test method for multi-angle determination of tensile characteristic of soil |
| CN104697849B (en) * | 2015-03-19 | 2018-03-27 | 榆林学院 | A kind of test apparatus and test method of multi-angle measure soil body tensile characteristics |
| CN114166626A (en) * | 2021-10-28 | 2022-03-11 | 河海大学 | Portable tensile test device and method for geosynthetic material in field solution environment |
| CN114166626B (en) * | 2021-10-28 | 2023-09-26 | 河海大学 | Portable tensile test device and method for geosynthetic material in site solution environment |
| CN114216787A (en) * | 2022-02-22 | 2022-03-22 | 江苏汇联活动地板股份有限公司 | Testing equipment and testing method for anti-static steel floor deformation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Geosynthetics all-around tension testing equipment Effective date of registration: 20170627 Granted publication date: 20120829 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao BOSTD Geosynthetics Ltd. Registration number: 2017370010027 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190422 Granted publication date: 20120829 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao BOSTD Geosynthetics Ltd. Registration number: 2017370010027 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Geosynthetics all-around tension testing equipment Effective date of registration: 20190516 Granted publication date: 20120829 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao BOSTD Geosynthetics Ltd. Registration number: 2019990000434 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200509 Granted publication date: 20120829 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: BOSTD GEOSYNTHETICS QINGDAO Ltd. Registration number: 2019990000434 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |