CN207675619U - A kind of earth arch test apparatus applying constant load - Google Patents
A kind of earth arch test apparatus applying constant load Download PDFInfo
- Publication number
- CN207675619U CN207675619U CN201721773039.2U CN201721773039U CN207675619U CN 207675619 U CN207675619 U CN 207675619U CN 201721773039 U CN201721773039 U CN 201721773039U CN 207675619 U CN207675619 U CN 207675619U
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- CN
- China
- Prior art keywords
- pedestal
- connecting rod
- test box
- test apparatus
- constant load
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of earth arch test apparatus applying constant load, including pedestal, test box and force transfer bracket, test box is fixed on pedestal, test box bottom is equipped with two model friction piles, top port is equipped with top plate, force transfer bracket is the rectangle support around test box, force transfer bracket includes first connecting rod, both pass through pedestal and can movable second connecting rod and third connecting rod along vertical direction, and fourth link, it is additionally provided with long bolt in the middle part of first connecting rod, long bolt connects top plate, tester further includes the transmission rod for passing perpendicularly through fourth link, transmission rod one end is connected to hinged-support, hinged-support is fixed on the bottom of pedestal, the transmission rod other end is equipped with the hanging hole for hanging counterweight.The beneficial effects of the utility model：Coordinate to encircle soil by transmission rod and force transfer bracket and apply permanent load, solve the problems, such as that existing earth arch test apparatus cannot apply permanent load, the influence for research soil body creep to soil arching effect provides necessary experimental condition.
Description
Technical field
The utility model is related to earth arch test apparatus more particularly to a kind of earth arch test apparatus applying constant load.
Background technology
In landslide control problem, friction pile is widely used in as effective Anti-slide engineering means in all kinds of landslides.
With the soil body after stake under Thrust of Landslide effect inhomogeneous deformation occurs for friction pile inter-pile soil body, since there are cohesive strengths for inside soil body
And internal friction angle, inter-pile soil body stress redistribution is caused, soil arching effect is shown as.Soil arching effect is studied for disclosing stake soil mutually
The mechanism of action is significant, focuses primarily upon research soil arch internal stress distribution, arch axis for the research of soil arching effect at present
Line equation, soil encircle morphological feature etc., and relatively fewer for the research of soil arching effect timeliness, especially Most current
Landslide is in creep deformation stage, and influence of the research soil body creep for soil arching effect seems increasingly important.The basic think of of research
Road is to encircle to apply constant load to soil, is changed with time feelings by monitoring geostatic shield and soil arch morphological feature in soil arch
Condition studies influence of the soil body creep to soil arching effect, however at present existing earth arch test apparatus mainly applies lotus by jack
It carries, for studying soil arch internal stress distribution, cannot meet and apply constant load for a long time to study soil body creep for soil
The influence of arching.
Utility model content
In view of this, the embodiments of the present invention provide a kind of earth arch test apparatus applying constant load.
The embodiments of the present invention provide a kind of earth arch test apparatus applying constant load, including pedestal, test box
And force transfer bracket, the test box are fixed on the pedestal, the test box bottom is equipped with two movable model friction piles, top
Portion port is equipped with top plate, and the force transfer bracket is the rectangle support around the test box, and the force transfer bracket includes being located at institute
The first connecting rod for stating the top of test box both passes through the pedestal and movable second connecting rod and third can connect along vertical direction
Bar, and the fourth link below the pedestal, the first connecting rod middle part are additionally provided with the length being flexibly connected by screw thread
The lower end of screw rod, the long bolt is connected to the top plate, and the tester further includes across the fourth link and by axis pin
Fixed transmission rod, the transmission rod are connected to hinged-support close to described fourth link one end, and the hinged-support is fixed on described
The bottom of pedestal, the transmission rod are equipped with the hanging hole for hanging counterweight far from described fourth link one end.
Further, it is equipped with air bag in the test box, soil sample is added to the test box after the airbag aeration, then
It opens the air bag release air and extracts out, form soil arch.
Further, the test box is rectangular box body.
Further, the top plate is equipped with rib upwards, and the lower end of the long bolt is connected to the rib.
Further, the model antiskid pile material is concrete.
Further, the pedestal is that rectangular slat founds table, including desktop and four table legs for being used to support the desktop.
Further, the desktop is equipped with the mounting hole of two Relative distributions, the second connecting rod and the third connecting rod
It is each passed through two mounting holes.
The advantageous effect brought of technical solution that the embodiments of the present invention provide is：The utility model one kind can apply
The earth arch test apparatus of constant load coordinates to encircle soil by transmission rod and force transfer bracket applies permanent load, solves existing soil arch
Tester cannot apply the problem of permanent load, and simple in structure, and be further applied load stabilization, be to study soil body creep to soil arching effect
Influence necessary experimental condition is provided.
Description of the drawings
Fig. 1 is a kind of front view for the earth arch test apparatus applying constant load of the utility model；
Fig. 2 is a kind of left view for the earth arch test apparatus applying constant load of the utility model.
In figure：1- pedestals, 2- test boxs, 3- force transfer brackets, 4- top plates, 5- models friction pile, 6- air bags, 7- first connect
Bar, 8- second connecting rods, 9- third connecting rods, 10- fourth links, 11- long bolts, 12- transmission rods, 13- hinged-supports.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
It please refers to Fig.1 and Fig. 2, the embodiments of the present invention provides a kind of soil arch test applying constant load
Instrument, including pedestal 1, test box 2 and force transfer bracket 3, the pedestal are that rectangular slat founds table, including desktop and are used to support described
Four table legs of desktop, the desktop are equipped with the mounting hole of two Relative distributions.
The test box 2 is rectangular box body and is fixed on the pedestal 1 that 2 top port of the test box has
Rib top plate 4, bottom are equipped with movable two relative models friction pile 5, and 5 material of model friction pile is concrete, the experiment
Air bag 6 is equipped in box 2, the air bag 6 adds soil sample to the test box 2 after inflating, then opens the air bag 6 and discharge air
And extract out, form soil arch.
The force transfer bracket 3 is the rectangle support around the test box 2, and the force transfer bracket 3 includes being located at the examination
The first connecting rod 7 for testing the top of box 2, is each passed through two mounting holes on the pedestal 1 and can be movable along vertical direction
Second connecting rod 8 and third connecting rod 9, and the fourth link 10 positioned at 1 lower section of the pedestal, 7 middle part of the first connecting rod are also set
There are the long bolt 11 being flexibly connected by screw thread, the lower end of the long bolt 11 to be connected to the rib of the top plate 4.
The tester further includes passing perpendicularly through the fourth link 10 and by the fixed transmission rod 12 of axis pin, the power transmission
Bar 12 is connected to hinged-support 13 close to 10 one end of the fourth link, and the hinged-support 13 is fixed on the bottom of the pedestal 1, passes
Power bar 12 is equipped with the hanging hole for hanging counterweight far from 10 one end of the fourth link.
The earth arch test apparatus that constant load can be applied using the utility model studies what soil body creep influenced soil arching effect
Concrete operation step is as follows：
(1) it removes top plate 4 and is full of air, two model friction pile of adjustment, 5 relative test box, 2 bottom surface axis with by air bag 13
Line is symmetrical, deployed soil sample is successively then packed into test box 2 and preliminary consolidation, while the monitoring instruments such as soil pressure cell being put
Put appropriate location；
(2) top plate 4, connection force transfer bracket 3 and top plate 4 are covered, air bag 6, shape are slowly extracted out after gas in air bag 6 is released
Encircle at soil is stablized；
(3) hook counterweight is hung over into 12 hanging hole of transmission rod to apply constant load, is measured constant by monitoring instrument
Under load, influence of the soil body creep to soil arching effect.
Herein, the nouns of locality such as involved front, rear, top, and bottom are to be located in figure with parts in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of earth arch test apparatus applying constant load, it is characterised in that：Including pedestal, test box and force transfer bracket, institute
It states test box to be fixed on the pedestal, the test box bottom is equipped with two movable model friction piles, and top port is equipped with top
Plate, the force transfer bracket are the rectangle support around the test box, and the force transfer bracket includes positioned at the upper of the test box
The first connecting rod of side, both pass through the pedestal and can movable second connecting rod and third connecting rod along vertical direction, and be located at
Fourth link below the pedestal, the first connecting rod middle part are additionally provided with the long bolt being flexibly connected by screw thread, the length
The lower end of screw rod is connected to the top plate, and the tester further includes passing perpendicularly through the fourth link and by the fixed biography of axis pin
Power bar, the transmission rod are connected to hinged-support close to described fourth link one end, and the hinged-support is fixed on the bottom of the pedestal
Portion, the transmission rod are equipped with the hanging hole for hanging counterweight far from described fourth link one end.
2. a kind of earth arch test apparatus applying constant load as described in claim 1, it is characterised in that：In the test box
Equipped with air bag, soil sample is added to the test box after the airbag aeration, the air bag release air is opened after soil sample compacting simultaneously
Extraction forms soil arch.
3. a kind of earth arch test apparatus applying constant load as described in claim 1, it is characterised in that：The test box is
Rectangular box body.
4. a kind of earth arch test apparatus applying constant load as described in claim 1, it is characterised in that：The model antiskid
Pile material is concrete.
5. a kind of earth arch test apparatus applying constant load as described in claim 1, it is characterised in that：The top plate is upward
Equipped with rib, the lower end of the long bolt connects the rib.
6. a kind of earth arch test apparatus applying constant load as described in claim 1, it is characterised in that：The pedestal is square
Shape strip founds table, including desktop and four table legs for being used to support the desktop.
7. a kind of earth arch test apparatus applying constant load as claimed in claim 6, it is characterised in that：It is set on the desktop
There are the mounting hole of two Relative distributions, the second connecting rod and the third connecting rod to be each passed through two mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773039.2U CN207675619U (en) | 2017-12-15 | 2017-12-15 | A kind of earth arch test apparatus applying constant load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773039.2U CN207675619U (en) | 2017-12-15 | 2017-12-15 | A kind of earth arch test apparatus applying constant load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207675619U true CN207675619U (en) | 2018-07-31 |
Family
ID=62967878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721773039.2U Expired - Fee Related CN207675619U (en) | 2017-12-15 | 2017-12-15 | A kind of earth arch test apparatus applying constant load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207675619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831109A (en) * | 2017-12-15 | 2018-03-23 | 中国地质大学（武汉） | A kind of earth arch test apparatus for applying constant load |
-
2017
- 2017-12-15 CN CN201721773039.2U patent/CN207675619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831109A (en) * | 2017-12-15 | 2018-03-23 | 中国地质大学（武汉） | A kind of earth arch test apparatus for applying constant load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20201215 |