CN208815584U - A kind of reinforced earth retaining wall failure mechanism experimental provision - Google Patents
A kind of reinforced earth retaining wall failure mechanism experimental provision Download PDFInfo
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- CN208815584U CN208815584U CN201821444312.1U CN201821444312U CN208815584U CN 208815584 U CN208815584 U CN 208815584U CN 201821444312 U CN201821444312 U CN 201821444312U CN 208815584 U CN208815584 U CN 208815584U
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- retaining wall
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- reinforced earth
- experimental provision
- model casing
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Abstract
The utility model relates to a kind of reinforced earth retaining wall failure mechanism experimental provisions, including reaction frame, the reaction frame bottom is fixed with vibrating mechanism, the model casing of open topped is fixed on the vibrating mechanism, for placing retaining wall model, one side box wall of the model casing is built by multiple block structures, passing through on the block structure has rib tape, the rib tape protrudes into inside model casing, loading mechanism is fixed at the top of the reaction frame, for applying load to the retaining wall model inside model casing, the model casing bottom is also connected with water tank, the experimental provision structure of the utility model is simple, it is easy to operate, experimental period is short, it is at low cost, and it is with strong points, experiment effect is good.
Description
Technical field
The utility model relates to reinforced earth retaining wall design fields, and in particular to a kind of reinforced earth retaining wall destruction machine
Manage experimental provision.
Background technique
Reinforced earth retaining wall is widely used in roadbed because of many advantages, such as its construction is simple, and cost is lower, good appearance
It in reinforcing engineering, but is increasingly aggravated recently as traffic loading, original reinforced earth retaining wall can not meet carrying energy
The requirement of power, and there are various diseases.To guarantee reinforced earth retaining wall operation security, it is necessary to study different diseases to retaining wall
Influence.
The research of reinforced earth retaining wall failure mechanism is generally required in engineering, sensor is installed at the scene, however due to leading
Often there is not strong specific aim, length experimental period, effect not in the diversity and complexity for the factor for causing retaining wall to destroy, this method
The problems such as ideal.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of reinforced earth retaining walls to destroy machine
Experimental provision is managed, the stress performance of reinforcement formula retaining wall under different traffic load and seismic (seismal can be simulated, and then to it
Failure mechanism is studied.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of reinforced earth retaining wall failure mechanism experimental provision, including reaction frame, the reaction frame bottom are fixed with vibration
Mechanism is fixed with the model casing of open topped on the vibrating mechanism, for placing retaining wall model, one of the model casing
Side box wall is built by multiple block structures, and passing through on the block structure has rib tape, and the rib tape protrudes into inside model casing, described
Loading mechanism is fixed at the top of reaction frame, for applying load, the model casing bottom to the retaining wall model inside model casing
Portion is also connected with water tank.
Further, the block structure is plexiglass block, and the plexiglass block is equipped with aperture, wears in the aperture
Rib tape is crossed, the rib tape is fixedly connected by anchoring piece with plexiglass block.
Further, the anchoring piece is located at the outside of model casing.
Further, the size of the aperture is greater than the sectional dimension of rib tape, facilitates installation of the rib tape on block structure.
Further, the rib tape uses Soil test.
Further, the loading mechanism uses hydraulic jack.
Further, the model casing bottom is equipped with water valve, and the water valve connects water tank by water pipe.
The invention also discloses a kind of working method of reinforced earth retaining wall failure mechanism experimental provision, including it is following
Step:
Step 1: model casing is fixed on vibrating mechanism.
Step 2: first layer block structure is built on model casing, penetrates rib tape according to the design needs, and rib tape is fixed,
Sand is inserted in model casing, the height of sand is consistent with the height of first layer block structure, is then compacted sand, use is identical
The layer-by-layer building structure block of method and fill compacting sandy soils, constitute retaining wall model.
Step 3: loading mechanism applies different loads to retaining wall model top, simulates the traffic load under different loads,
Vibrating mechanism generates vibration, simulates different grades of seismic (seismal, studies the failure mechanism of retaining wall model.
Further, in the step 3, regulating tank height, it can be achieved that in model casing sand height of water level adjust, mould
In quasi- retaining wall model under the conditions of different water levels, tested.
The utility model has the beneficial effects that
1. the experimental provision of the utility model simulates different grades of traffic load by loading mechanism, passes through bobbing machine
Structure, which simulates different grades of seismic (seismal, can carry out the experiment of different water level drags, to reinforcement by the height of regulating tank
The failure mechanism research of native retaining wall is with strong points, and effect is good.
2. the experimental provision of the utility model, structure is simple, easy to operate, is not necessarily to site operation, shortens experimental period,
Reduce experimental cost.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model mold box configuration schematic diagram；
Fig. 3 is the utility model model casing and rib tape assembling schematic diagram；
Wherein, 1. pedestal, 2. struts, 3. top beams, 4. shake tables, 5. model casings, 5-1. bottom plate, 5-2. side plate, 5-3. knot
Building block, 6. hydraulic jacks, 7. water valves, 8. water pipes, 9. water tanks.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the utility model, only indicate and attached drawing
The upper and lower, left and right direction of itself is consistent, not to structure rise restriction effect, it is only for convenient for description the utility model and
Simplify description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.
As background technique is introduced, the research of reinforced earth retaining wall failure mechanism is generally required at the scene in engineering
Sensor is installed, however specific aim often occur in the diversity and complexity of the factor due to causing retaining wall to destroy, this method
Not strong, the problems such as experimental period is long, effect is undesirable, in view of the above-mentioned problems, that present applicant proposes a kind of reinforced earth retaining walls is broken
Bad mechanism experiment device.
In a kind of exemplary embodiment of the application, as shown in Figure 1-3, a kind of reinforced earth retaining wall failure mechanism experiment dress
It sets, including reaction frame, the reaction frame bottom is fixed with vibrating mechanism, and the model of open topped is fixed on the vibrating mechanism
Case, for placing retaining wall model, a side box wall of the model casing is built by multiple block structures, on the block structure
Across there is rib tape, the rib tape is protruded into inside model casing, and the top of the frame body is fixed with reaction frame, the top of the reaction frame
It is fixed with loading mechanism, for applying load to the retaining wall model inside model casing, the model casing is also connected to water tank.
The reaction frame includes pedestal 1, and strut 2 is fixed on the pedestal, and the top of the strut is fixed with top beam 3,
Vibrating mechanism is fixed on the pedestal, the vibrating mechanism uses shake table 4, is fixed with model casing 5 on the shake table.
The model casing is the body structure of open topped, and the volume of the body structure is 1m × 1m × 1m, the mould
Molding box includes the bottom plate 5-1 and side plate 5-2 for being fixed on three edges of bottom plate, and the edge of a wing of the bottom plate is equipped with opening, passes through
Model casing is fixed on shake table by opening and bolt on the edge of a wing, three side plates be fixed by spiral and bolt and
The block structure 5-3 of multiple rectangles is built in support, the side that the model casing does not set side plate, and multiple block structures build composition model
One side box wall of case, the block structure use plexiglass block, and the middle part of the plexiglass block is equipped with aperture, described organic
The size of glass blocks is 20cm × 20cm, and the size of aperture is 40mm × 15mm, according to need in the aperture of the plexiglass block
To pass through has rib tape 10, and the rib tape protrudes into inside model casing, in use, the position of insertion rib tape can be adjusted according to the design needs
And the quantity of rib tape, rib tape can also be adjusted according to the design needs and protrudes into length inside model casing, and the rib tape passes through anchoring piece
11 are fixed on block structure, and the anchoring piece is located at the outside of model casing, and the rib tape uses CPE3020 Soil test, bandwidth
30mm, thick 2mm, allowable tensile stress 110MPa, Soil test sectional dimension are less than bore size, facilitate the installation of rib tape.
The loading mechanism uses hydraulic jack 6, and the hydraulic jack is fixed on the top beam bottom surface of reaction frame, can
Pressure loading is applied to the model inside model casing.
The bottom position of the one of side plate of model casing is equipped with water valve 7, and the water valve passes through water pipe 8 and water tank 9
Connection, water in water tank can be in flow model casees, using law of connected vessels, and water level keeps one in water level and water tank in model casing
It causes.
The invention also discloses a kind of working method of reinforced earth retaining wall failure mechanism experimental provision, including it is following
Step:
Step 1: model casing is bolted on shake table.
Step 2: building first layer plexiglass block on model casing, penetrate design quantity and design position according to the design needs
The rib tape set, adjustment rib tape are protruded into the length in model casing, are fixed using anchoring piece to rib tape, sand is inserted model casing
In, the height of sand is consistent with the height of first layer plexiglass block, is then compacted sand, is successively taken using identical method
It builds plexiglass block and fills compacting sandy soils, constitute retaining wall model.
Step 3: hydraulic jack applies different loads pressure to retaining wall model top, simulates the traffic under different loads
Load, vibrating mechanism generate the vibration of different stage, simulate different grades of seismic (seismal, study the destruction machine of retaining wall model
Reason.
In the step 3, regulating tank height is, it can be achieved that the height of water level of sand is adjusted in model casing.Analog reinforcement
Different water level in native retaining wall model, to carry out loading experiment under the conditions of different water levels.
The experimental provision of the utility model can be realized under the different traffic loads of simulation and seismic (seismal, and reinforced earth earth-retaining is studied
The failure mechanism of wall, and can be tested under conditions of model does not have different water levels, it is with strong points, it is not necessarily to site operation,
Experimental period is short, and experimental provision structure is simple, easy to operate, reduces experimental cost.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (7)
1. a kind of reinforced earth retaining wall failure mechanism experimental provision, which is characterized in that including reaction frame, the reaction frame bottom is solid
Surely there is vibrating mechanism, the model casing of open topped is fixed on the vibrating mechanism, for placing retaining wall model, the model
One side box wall of case is built by multiple block structures, and passing through on the block structure has rib tape, and the rib tape protrudes into model casing
Inside is fixed with loading mechanism at the top of the reaction frame, described for applying load to the retaining wall model inside model casing
Model casing bottom is also connected with water tank.
2. a kind of reinforced earth retaining wall failure mechanism experimental provision as described in claim 1, which is characterized in that the block structure
For plexiglass block, the plexiglass block is equipped with aperture, and passing through in the aperture has rib tape, and the rib tape passes through anchoring piece
It is fixedly connected with plexiglass block.
3. a kind of reinforced earth retaining wall failure mechanism experimental provision as claimed in claim 2, which is characterized in that the anchoring piece
Positioned at the outside of model casing.
4. a kind of reinforced earth retaining wall failure mechanism experimental provision as claimed in claim 2, which is characterized in that the aperture
Size is greater than the sectional dimension of rib tape, facilitates installation of the rib tape on block structure.
5. a kind of reinforced earth retaining wall failure mechanism experimental provision as claimed in claim 2, which is characterized in that the rib tape is adopted
Use Soil test.
6. a kind of reinforced earth retaining wall failure mechanism experimental provision as described in claim 1, which is characterized in that the load machine
Structure uses hydraulic jack.
7. a kind of reinforced earth retaining wall failure mechanism experimental provision as described in claim 1, which is characterized in that the model casing
Bottom is equipped with water valve, and the water valve connects water tank by water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444312.1U CN208815584U (en) | 2018-09-04 | 2018-09-04 | A kind of reinforced earth retaining wall failure mechanism experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444312.1U CN208815584U (en) | 2018-09-04 | 2018-09-04 | A kind of reinforced earth retaining wall failure mechanism experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208815584U true CN208815584U (en) | 2019-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444312.1U Expired - Fee Related CN208815584U (en) | 2018-09-04 | 2018-09-04 | A kind of reinforced earth retaining wall failure mechanism experimental provision |
Country Status (1)
| Country | Link |
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| CN (1) | CN208815584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914998A (en) * | 2018-09-04 | 2018-11-30 | 山东大学 | A kind of reinforced earth retaining wall failure mechanism experimental provision and working method |
| CN110186369A (en) * | 2019-05-20 | 2019-08-30 | 河海大学 | The experimental provision and method of reinforcement ring strain in a kind of detection earth structure |
-
2018
- 2018-09-04 CN CN201821444312.1U patent/CN208815584U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914998A (en) * | 2018-09-04 | 2018-11-30 | 山东大学 | A kind of reinforced earth retaining wall failure mechanism experimental provision and working method |
| CN108914998B (en) * | 2018-09-04 | 2024-05-17 | 山东大学 | Reinforced soil retaining wall damage mechanism experimental device and working method |
| CN110186369A (en) * | 2019-05-20 | 2019-08-30 | 河海大学 | The experimental provision and method of reinforcement ring strain in a kind of detection earth structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |