CN211235297U - Panel rock-fill dam panel rotates extrusion test device - Google Patents
Panel rock-fill dam panel rotates extrusion test device Download PDFInfo
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- CN211235297U CN211235297U CN201922060698.7U CN201922060698U CN211235297U CN 211235297 U CN211235297 U CN 211235297U CN 201922060698 U CN201922060698 U CN 201922060698U CN 211235297 U CN211235297 U CN 211235297U
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- supporting plate
- test piece
- concrete slab
- point
- clamping groove
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- 238000009778 extrusion testing Methods 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
A test device for rotational extrusion of a panel rock-fill dam comprises a right supporting plate and a left supporting plate, wherein the lower part of the outer side of the right supporting plate is connected with a right bracket, the middle of the lower part of the right supporting plate is connected with the right side of a bottom plate through a right supporting point, a right clamping groove is arranged above the right supporting plate, and a right concrete slab test piece is placed in the right clamping groove; the lower part of the outer side of the left supporting plate is connected with a left bracket, the middle of the lower part of the left supporting plate is connected with the left side of the bottom plate through a left supporting point, a left clamping groove is arranged above the left supporting plate, and a left concrete slab test piece is placed in the left clamping groove; the inner side ends of the left concrete slab test piece and the right concrete slab test piece are connected, the upper part of the right concrete slab test piece is connected with loading equipment through a right loading point, and the upper part of the left concrete slab test piece is connected with the loading equipment through a left loading point; the utility model discloses can simulate the condition of two panels of actual well panel rock-fill dam extrusion fracture when receiving the pressure of the water that flows, obtain two concrete slab test pieces because of receiving the broken destruction intensity of rotation extrusion.
Description
Technical Field
The utility model relates to a concrete extrusion technical field, concretely relates to panel rock-fill dam panel rotates extrusion test device.
Background
In the construction of face rockfill dams, the face sheets are the major structure of the dam against seepage, the importance of which is self-evident. However, in recent years, engineering practices of ultrahigh-face rockfill dams at home and abroad show that the structural damage problem of the face slabs becomes a core problem influencing the safety of the ultrahigh-face rockfill dams, and the problem of extrusion damage of the face slabs along longitudinal seams occurs in many face rockfill dams. The understanding of the mechanism of the panel crush failure is not deep, the existing means is usually a numerical simulation mode for analysis, and no indoor test device is available for carrying out the panel crush failure research.
Disclosure of Invention
In order to overcome the shortcoming of the prior art, the utility model aims to provide a panel rock-fill dam panel rotates extrusion test device can make two concrete plates produce the extrusion under the load point is applyed the load and is destroyed.
In order to achieve the above purpose, the utility model discloses the technical scheme who takes does:
a test device for rotational extrusion of a panel of a concrete faced rockfill dam comprises a right supporting plate 4 and a left supporting plate 5, wherein the lower part of the outer side of the right supporting plate 4 is connected with a right bracket 11, the middle of the lower part of the right supporting plate 4 is connected with the right side of a bottom plate 1 through a right supporting point 2, a right clamping groove 14 is arranged above the right supporting plate 4, and a right concrete slab test piece 6 is placed in the right clamping groove 14;
the lower part of the outer side of the left supporting plate 5 is connected with a left bracket 12, the middle of the lower part of the left supporting plate 5 is connected with the left side of the bottom plate 1 through a left supporting point 3, a left clamping groove 13 is arranged above the left supporting plate 5, and a left concrete slab test piece 7 is placed in the left clamping groove 13;
the inner side ends of the left concrete slab test piece 7 and the right concrete slab test piece 6 are connected, the upper part of the right concrete slab test piece 6 is connected with a loading device 10 through a right loading point 8, and the upper part of the left concrete slab test piece 7 is connected with the loading device 10 through a left loading point 9.
The inner sides of the right supporting plate 4 and the left supporting plate 5 are close to the contact positions of the inner side ends of the right concrete slab test piece 6 and the left concrete slab test piece 7 as much as possible.
The bottom plate 1, the right supporting point 2, the left supporting point 3, the right supporting plate 4, the left supporting plate 5, the right support 11, the left support 12, the right loading point 8 and the left loading point 9 are all made of steel.
The utility model has the advantages that:
the utility model discloses can be used to simulate the condition of two panels of panel rock-fill dam extrusion fracture when receiving the pressure of the water that flows in reality to obtain two concrete slab test pieces because of receiving the broken destruction intensity of rotation extrusion, have the significance to the mechanical properties and the destructive characteristic of the panel of test panel rock-fill dam, and then can provide effective technical support for actual engineering concrete reinforcement.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, the panel rock-fill dam panel rotation extrusion test device comprises a right supporting plate 4 and a left supporting plate 5, wherein the lower part of the outer side of the right supporting plate 4 is connected with a right support 11, the middle of the lower part of the right supporting plate 4 is connected with the right side of a bottom plate 1 through a right supporting point 2, a right clamping groove 14 is arranged above the right supporting plate 4, and a right concrete slab test piece 6 is placed in the right clamping groove 14;
the lower part of the outer side of the left supporting plate 5 is connected with a left bracket 12, the middle of the lower part of the left supporting plate 5 is connected with the left side of the bottom plate 1 through a left supporting point 3, a left clamping groove 13 is arranged above the left supporting plate 5, and a left concrete slab test piece 7 is placed in the left clamping groove 13;
the inner side ends of the left concrete slab test piece 7 and the right concrete slab test piece 6 are connected, the upper part of the right concrete slab test piece 6 is connected with a loading device 10 through a right loading point 8, and the upper part of the left concrete slab test piece 7 is connected with the loading device 10 through a left loading point 9.
The inner sides of the right supporting plate 4 and the left supporting plate 5 are close to the contact positions of the inner side ends of the right concrete slab test piece 6 and the left concrete slab test piece 7 as much as possible, so that stress concentration in the concrete slab test pieces is avoided.
The bottom plate 1, the right supporting point 2, the left supporting point 3, the right supporting plate 4, the left supporting plate 5, the right support 11, the left support 12, the right loading point 8 and the left loading point 9 are all made of steel.
The utility model discloses a theory of operation does: the loading equipment 10 applies pressure downwards, the right concrete plate test piece 6 and the left concrete plate test piece 7 are loaded on the right concrete plate test piece 6 and the left concrete plate test piece 7 through the right loading point 8 and the left loading point 9, the right concrete plate test piece 6 and the left concrete plate test piece 7 rotate under the action of the pressure, and the right concrete plate test piece 6 and the left concrete plate test piece 7 are fixed through the right clamping groove 14 and the left clamping groove 13 and do not move backwards; finally, the right concrete plate test piece 6 and the left concrete plate test piece 7 are extruded and damaged under the rotating extrusion action, so that the mechanical properties and the damage characteristics of the right concrete plate test piece 6 and the left concrete plate test piece 7 are obtained, and the condition that two panels of the panel rock-fill dam are extruded and cracked under the pressure action of water flow is simulated.
Claims (3)
1. The utility model provides a panel rock-fill dam panel rotates extrusion test device which characterized in that: the concrete slab testing device comprises a right supporting plate (4) and a left supporting plate (5), wherein the lower part of the outer side of the right supporting plate (4) is connected with a right support (11), the middle of the lower part of the right supporting plate (4) is connected with the right side of a bottom plate (1) through a right supporting point (2), a right clamping groove (14) is arranged above the right supporting plate (4), and a right concrete slab test piece (6) is placed in the right clamping groove (14);
the lower part of the outer side of the left supporting plate (5) is connected with a left support (12), the middle of the lower part of the left supporting plate (5) is connected with the left side of the bottom plate (1) through a left supporting point (3), a left clamping groove (13) is arranged above the left supporting plate (5), and a left concrete plate test piece (7) is placed in the left clamping groove (13);
the inner side ends of the left concrete slab test piece (7) and the right concrete slab test piece (6) are connected, the upper part of the right concrete slab test piece (6) is connected with loading equipment (10) through a right loading point (8), and the upper part of the left concrete slab test piece (7) is connected with the loading equipment (10) through a left loading point (9).
2. The panel rock-fill dam panel rotation extrusion test apparatus of claim 1, wherein: the inner sides of the right supporting plate (4) and the left supporting plate (5) should be close to the contact positions of the inner side ends of the right concrete slab test piece (6) and the left concrete slab test piece (7) as much as possible.
3. The panel rock-fill dam panel rotation extrusion test apparatus of claim 1, wherein: the bottom plate (1), the right supporting point (2), the left supporting point (3), the right supporting plate (4), the left supporting plate (5), the right support (11), the left support (12), the right loading point (8) and the left loading point (9) are all made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060698.7U CN211235297U (en) | 2019-11-26 | 2019-11-26 | Panel rock-fill dam panel rotates extrusion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060698.7U CN211235297U (en) | 2019-11-26 | 2019-11-26 | Panel rock-fill dam panel rotates extrusion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211235297U true CN211235297U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922060698.7U Expired - Fee Related CN211235297U (en) | 2019-11-26 | 2019-11-26 | Panel rock-fill dam panel rotates extrusion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211235297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824813A (en) * | 2023-02-23 | 2023-03-21 | 叙镇铁路有限责任公司 | Test device and method for testing surrounding rock plastic zone range caused by tunnel excavation |
-
2019
- 2019-11-26 CN CN201922060698.7U patent/CN211235297U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824813A (en) * | 2023-02-23 | 2023-03-21 | 叙镇铁路有限责任公司 | Test device and method for testing surrounding rock plastic zone range caused by tunnel excavation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |