CN210369083U - Socketed pile model test device - Google Patents
Socketed pile model test device Download PDFInfo
- Publication number
- CN210369083U CN210369083U CN201921240126.0U CN201921240126U CN210369083U CN 210369083 U CN210369083 U CN 210369083U CN 201921240126 U CN201921240126 U CN 201921240126U CN 210369083 U CN210369083 U CN 210369083U
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- model
- pile
- model seat
- seat
- rock mass
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 239000011435 rock Substances 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 3
- 239000002689 soil Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an embedded rock pile model test device, including the model seat, be hollow structure portion in the model seat, and the lower extreme of model seat has placed the rock mass, the last pot head that the model seat is located the rock mass has the stopping, the position that the model seat is close to the stopping both ends is connected with the backing plate, the one end that model seat inner wall is close to the backing plate installs pressure sensor, drilling has been seted up on the rock mass, the embedding has the model pile on stopping and the rock mass, model seat lower extreme fixedly connected with bottom plate, the bottom plate is located the position fixedly connected with collateral branch frame of model seat both sides, sliding connection has the clamp plate between the collateral branch frame. The utility model discloses a clamp plate cooperation balancing weight, backing plate cooperation pressure sensor are convenient for under the different stake end loads of record, and the distribution data of side end pressure is convenient for observe simultaneously under the different degree of depth, obtains the real-time side pressure stress variation of model stake, and the repetitious test of being convenient for, and easy operation is simple and easy.
Description
Technical Field
The utility model relates to an embedded rock pile technical field especially relates to embedded rock pile model test device.
Background
The rock-socketed pile is a bored pile with a part of pile body embedded into a rock body, and is easy to be subjected to side resistance of soil while being subjected to end resistance of the rock body in the rock-socketed pile embedding process, the side resistance also plays a load for the rock-socketed pile, and the load borne by the pile body is also in important relation with the embedding depth;
in the traditional model test device, the change of lateral pressure caused by the change of depth and the change of weight load can not be fully reflected, and the problems of complicated test steps and troublesome operation are also caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem existing in the prior art and providing an embedded rock pile model test device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
socketed pile model test device, including the model seat, be hollow structure portion in the model seat, and the lower extreme of model seat has placed the rock mass, the upper end packing that the model seat is located the rock mass has the stopping, the position that the model seat is close to the stopping both ends is connected with the backing plate, the one end that the model seat inner wall is close to the backing plate installs pressure sensor, drilling has been seted up on the rock mass, the embedding has the model pile on stopping and the rock mass, model seat lower extreme fixedly connected with bottom plate, the bottom plate is located the position fixedly connected with collateral branch frame of model seat both sides, sliding connection has the clamp plate between the collateral branch frame, the balancing weight has been placed on the clamp plate.
Preferably, the backing plate is slidably connected within the mold base.
Preferably, the both ends of clamp plate have the square shaft welded jointly, two equal sliding connection of square shaft is on the collateral branch frame, the spout has all been seted up to the position that corresponds two square shafts on the collateral branch frame, and spout and square shaft clearance fit.
Preferably, the upper end of the model pile is fixedly connected with an upper cover plate.
Preferably, the model seat is cast of concrete.
Preferably, the filling material is natural soil or sand soil mixed soil.
Compared with the prior art, the utility model has the following benefits:
1. the utility model discloses a clamp plate cooperation balancing weight, backing plate cooperation pressure sensor are convenient for under the different pile end loads of record, the distribution data of side end pressure, are convenient for observe simultaneously under the different degree of depth, obtain the real-time side pressure stress variation of model pile, the experimental many times of being convenient for, and easy operation;
2. be convenient for adjust not pile tip load of equidimension, the displacement volume of adjustment model stake to take notes different load downside pressure and pile body load distribution law, improve the experimental simplicity and observability of model stake.
Drawings
FIG. 1 is a structural diagram of a socketed pile model test device according to the present invention;
fig. 2 is the utility model provides a picture is placed to the backing plate of socketed pile model test device.
In the figure: 1 bottom plate, 2 side supports, 3 model seats, 4 rock masses, 5 fillers, 6 base plates, 7 model piles, 8 upper cover plates, 9 pressing plates, 10 square shafts, 11 balancing weights and 12 pressure sensors.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, the rock-socketed pile model test device comprises a model base 3, a hollow structure part is arranged in the model base 3, and the lower end of the model base 3 is provided with a rock mass 4, the upper end of the model base 3, which is positioned on the rock mass 4, is filled with a filler 5, the positions of the model base 3, which are close to the two ends of the filler 5, are connected with a backing plate 6, one end of the inner wall of the model base 3, which is close to the backing plate 6, is provided with a pressure sensor 12, a drill hole is arranged on the rock mass 4, a model pile 7 is embedded in the filler 5 and the rock mass 4, the lower end of the model base 3 is fixedly connected with a bottom plate 1, the positions of the bottom plate 1, which are positioned on the two sides of the model base 3, the real-time stress change of the lateral pressure of the model pile 7 is obtained through the pressure sensor 12, so that the pile body load change and the side end load distribution rule of the model pile 7 can be deduced;
the pressure sensor 12 is the most commonly used sensor in industrial practice, and as used herein, a semiconductor piezoelectric resistance type pressure sensor is used, and a semiconductor piezoelectric impedance diffusion pressure sensor is a principle that a semiconductor deformation pressure is formed on a surface of a sheet, and the sheet is deformed by an external force to generate a piezoelectric impedance effect, so that the change of impedance is converted into an electric signal for measurement.
The backing plate 6 is located in the model base 3 and is in sliding connection, so that along with the change of the depth of the model pile 7, the pressure on the backing plate 6 is different, the displacement is different, and the pressure on the pressure sensor 12 is different. The common welding in both ends of clamp plate 9 has square axle 10, and the equal sliding connection of two square axles 10 has all seted up the spout on collateral branch frame 2 on the position that corresponds two square axles 10, and spout and square axle 10 clearance fit for clamp plate 9 can slide at collateral branch frame 2's family, avoids taking place the problem of reversal simultaneously. The upper end of the model pile 7 is fixedly connected with an upper cover plate 8, so that the model pile 7 is convenient to bear pile end load. The model seat is formed by pouring concrete at the 3-position, is convenient to manufacture and has wide sources. The filling material 5 is natural soil or sandy soil mixed soil, and the side resistance of the overburden layer on the bedrock can be adjusted in the process of loading the pile body, so that the natural soil or the sandy soil can be adopted.
When the utility model is used, the model pile 7 is inserted into the middle of the filling material 5, then the pressing plate 9 is put into the side bracket 2 through the two square shafts 10, so that the pressing plate 9 is pressed on the upper cover plate 8, then the weight balancing block 11 with certain weight is placed on the pressing plate 9, the end resistance of the model pile 7 is improved through the weight of the weight balancing block 11, so that the model pile 7 is driven into the drilled hole of the rock mass 4 under the action of the weight, in the driving process of the model pile 7, the side resistance of the model pile 7 to the filling material 5 is increased, so that the side end load of the model pile 7 is improved, the backing plate 6 is subjected to side pressure with different degrees, along with the change of the depth of the model pile 7, the side pressure is different in size, the side pressure under different depths is recorded at the moment, the pressure sensor 12 is positioned at the equal distance of the two sides of the model pile 7, the real-time side pressure stress change of the model, meanwhile, the transfer rule of the side end load of the model pile 7 under different chromaticities is deduced;
because the weight of the balancing weight 11 can be adjusted for many times, the transmission rule and data of the side end load under different loads can be conveniently deduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Socketed pile model test device, including model seat (3), its characterized in that, be hollow structure portion in model seat (3), and the lower extreme of model seat (3) has placed rock mass (4), the upper end that model seat (3) are located rock mass (4) is filled with stopping (5), the position that model seat (3) are close to stopping (5) both ends is connected with backing plate (6), pressure sensor (12) are installed to the one end that model seat (3) inner wall is close to backing plate (6), drilling has been seted up on rock mass (4), the embedding has model pile (7) on stopping (5) and rock mass (4), model seat (3) lower extreme fixedly connected with bottom plate (1), position fixedly connected with side bearer (2) that bottom plate (1) are located model seat (3) both sides, sliding connection has clamp plate (9) between side bearer (2), and a balancing weight (11) is arranged on the pressing plate (9).
2. A socketed pile model test device according to claim 1, characterized in that the tie plate (6) is slidably connected in the model base (3).
3. A rock-socketed pile model test device according to claim 1, characterized in that square shafts (10) are welded together at both ends of the pressing plate (9), both square shafts (10) are connected to the side bracket (2) in a sliding manner, sliding grooves are formed in the positions, corresponding to the two square shafts (10), of the side bracket (2), and the sliding grooves are in clearance fit with the square shafts (10).
4. A socketed pile model test device according to claim 1, characterized in that the upper end of the model pile (7) is fixedly connected with an upper cover plate (8).
5. A socketed pile model test device according to claim 1, characterized in that the model socket (3) is concrete cast.
6. A rock-socketed pile model test apparatus according to claim 1, characterized in that the filler (5) is natural soil or soil mixed with sandy soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240126.0U CN210369083U (en) | 2019-08-01 | 2019-08-01 | Socketed pile model test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240126.0U CN210369083U (en) | 2019-08-01 | 2019-08-01 | Socketed pile model test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210369083U true CN210369083U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921240126.0U Expired - Fee Related CN210369083U (en) | 2019-08-01 | 2019-08-01 | Socketed pile model test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210369083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086369A (en) * | 2018-02-11 | 2018-05-29 | 广东工业大学 | Pile soil common action displacement stress measuring device under a kind of difference socket length |
| CN113848121A (en) * | 2021-09-30 | 2021-12-28 | 中煤长江基础建设有限公司 | Test device and method for simulating bearing capacity of rock-socketed pile in rock stratum |
-
2019
- 2019-08-01 CN CN201921240126.0U patent/CN210369083U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086369A (en) * | 2018-02-11 | 2018-05-29 | 广东工业大学 | Pile soil common action displacement stress measuring device under a kind of difference socket length |
| CN108086369B (en) * | 2018-02-11 | 2023-09-12 | 广东工业大学 | Device and method for measuring pile soil combined action displacement stress under different rock-socketed depths |
| CN113848121A (en) * | 2021-09-30 | 2021-12-28 | 中煤长江基础建设有限公司 | Test device and method for simulating bearing capacity of rock-socketed pile in rock stratum |
| CN113848121B (en) * | 2021-09-30 | 2022-04-01 | 中煤长江基础建设有限公司 | Test device and method for simulating bearing capacity of rock-socketed pile in rock stratum |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |