CN206616600U - A kind of side slope geotechnical centrifugal model test surface relief arrangement - Google Patents
A kind of side slope geotechnical centrifugal model test surface relief arrangement Download PDFInfo
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- CN206616600U CN206616600U CN201720282967.2U CN201720282967U CN206616600U CN 206616600 U CN206616600 U CN 206616600U CN 201720282967 U CN201720282967 U CN 201720282967U CN 206616600 U CN206616600 U CN 206616600U
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- side slope
- frame
- model
- surface relief
- test surface
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Abstract
The utility model belongs to side slope experiment field, specifically related to a kind of side slope geotechnical centrifugal model test surface relief arrangement, including side slope model, be sheathed on side slope model and at least cover loading frame domatic before side slope model, before loading frame and side slope model it is domatic between LOADED CAVITY and the granulated that is filled in LOADED CAVITY load material, the loading frame bottom is provided with the retractable discharge port communicated with the LOADED CAVITY, and the loading frame includes frame frame, the transparent side panel and front panel on frame frame.The utility model with discharge port loading frame setting can realize during centrifugal test without shut down can side slope surface carry out excavation off-load; so as to simulate the dynamic unloading process of actual side slope prototype; avoid traditional experiment shutdown and dig stress loss caused by side slope again, improve the degree of accuracy of simulated test.
Description
Technical field
The utility model is related to side slope experiment field, specifically a kind of side slope geotechnical centrifugal model test surface off-load dress
Put.
Background technology
The engineering problem of complexity can be often run into Geotechnical Engineering, must be to complexity when existing issue exceeds specification tolerance band
Problem carries out special item, and centrifugal test technology is the important means for solving complicated geotechnical engineering problems, is given by centrifuge
Model after reduced scale applies gravitational field to reproduce the ess-strain of prototype.Due to the diversity for operating mode of constructing, to model operating mode
Model then seem rather important.
Centrifugal model test is to give model application gravitational field by centrifuge, and the deformation of prototype is reacted by model and is answered
Power feature.The equipment of simulating centrifugal field slope excavating condition as disclosed in application publication number CN 101906788A, it is main to include putting down
Platform part, lower cutting system and push-pull system.After traction electric machine is powered, the upper strata of the forward and reverse rotational band carry-over bar right-hand member of motor gear
Landing slab horizontally slips on line slideway, band cutting blade side-to-side movement, i.e., effectively simulate " push-and-pull " mistake under centrifugal field
Journey, the motor shaft of linear electric motors drives lower blade vertically to move up and down, so can be vertical by blade as needed
Incision and leave side slope toe, that is, realize " incision-above put forward " process under centrifugal field.The patent is mainly simulation toe and opened
Dig, it is necessary to side slope model and load thing are fixed into combination by actual condition in advance, and load is forced using blade
Cutting, operation difficulty is big, dangerous big, and is only that side slope model toe is excavated, and the accuracy of analog result is not high, obtains
It is single to result.
In centrifugal model test, the material selection to model, the likelihood ratio are not required nothing more than and carries out correct selection application, together
When be also required to the construction operating mode of correct simulation prototype.In geotechnical slope engineering field, induce slope failure exist it is a variety of because
Element, while come down with the destruction of slope table layer soil body, off-load on side slope slope and cause whole side slope to occur secondary disaster
Accident also happens occasionally, therefore, it is necessary to which side slope off-load is effectively simulated, discloses side slope off-load to whole side slope
Influence, excavation slope causes stress loss again after existing experiment shutdown, so as to influence analog result.
The content of the invention
The purpose of this utility model is to provide a kind of side slope geotechnique's centrifugation for accurately reflecting actual side slope prototype off-load operating mode
Model test surface relief arrangement.
Above-mentioned technical purpose of the present utility model is achieved through the following technical solutions：
A kind of side slope geotechnical centrifugal model test surface relief arrangement, including side slope model, be sheathed on side slope model and
At least cover loading frame domatic before side slope model, it is domatic before loading frame and side slope model between LOADED CAVITY and filling
Material is loaded in the granulated in LOADED CAVITY, the loading frame bottom is provided with the retractable discharge port communicated with the LOADED CAVITY,
The loading frame includes frame frame, the transparent side panel and front panel on frame frame.
Further, there is the material containing pouch of blanking opening in the LOADED CAVITY provided with bottom correspondence discharge port position, it is described
Material containing pouch is at least local to be connected with the frame frame.
Further, have at the top of the loading frame open top, the material containing pouch and be higher by the side slope model top
Feeding port.
Further, the material containing pouch is upper and lower open formation feeding port respectively and the straight-through capsule pipe sleeve of blanking opening.
Further, the switch that the discharge port is lifted provided with baffle plate and for controlling baffle plate.
Further, in addition to hanging basket, the hanging basket has bottom plate and at least side plate, and the side slope model is fixedly arranged on described
On bottom plate and lean against on the side plate, the side slope model includes the model plate of multi-disc slant stack.
Further, the frame frame includes being located in the side frame of the side slope model both sides and put down with domatic before side slope model
It is located at the side slope model both sides on capable front plane frame, the bottom plate and is provided with raising bracket, the frame framework is located at the raising bracket
On.
Further, the raising bracket include support block on the bottom plate and in support block and at least one end with
The connected support bar of the hanging basket basket body.
Further, the hanging basket top shelf is provided with the spacing pressing plate and limit being pressed against respectively on the frame frame front and rear
It is provided with basket support bar at the top of position baffle plate, the hanging basket, the spacing pressing plate two ends pass through the adapter sleeve that is sheathed on the basket support bar
It is set up on the basket support bar, outer half set and interior half that the adapter sleeve includes being spirally connected respectively up and down by bolt covers, institute
Half set open top is formed for by the spacing pressing plate and making spacing pressing plate end insert in the outer half set set in stating
Enter Ban Kou, the adapter sleeve at least side jacket wall is provided with clamping fill plate.
Further, it is provided with along its length on spacing pressing plate on flat recess hole, slotted eye and is provided with two pieces by elasticity bolt
It is clamped on the locating part of loading frame both sides.
Further, the granulated loading material is iron sand.
The beneficial effects of the utility model are：
1. the setting of loading frame of the utility model with discharge port can be realized during centrifugal test without shutting down
Can side slope surface carry out excavation off-load, and can gradually lay down all loads on side slope surface (also by controlling baffle plate
Folding control off-load amount, to obtain the analog result under more different loads amounts), so as to simulate actual side slope prototype
Dynamic unloading process, it is to avoid traditional experiment is shut down and digs stress loss caused by side slope again, obtained analog result comprehensively, it is accurate
Really；Meanwhile, after the experiment of side slope model stress state, after also being converted to side slope model off-load in the case where centrifuge does not shut down ground state
State, had both avoided above-mentioned stress loss, at the same the every experiment for also allowing for state after the loading of side slope model and off-load it is accurate,
Efficiently carry out, obtain the analog result of high accurancy and precision.
2. the utility model is simple in construction, cost is low, easy to assembly.
3. can also capture the dynamic failure landslide state of simulation slope table layer soil body exactly using the utility model, it is
Actual excavation method and step provide reliable reference.
Brief description of the drawings
Fig. 1 is the side slope model of the utility model embodiment one and loading frame fit structure schematic diagram；
Fig. 2 is that the utility model embodiment one does not set the side slope model of pouch and loading frame cuts open and shows structural representation；
Fig. 3 is the side slope model and loading frame structural representation that the utility model embodiment one installs pouch additional；
Fig. 4 is the side slope model of the utility model embodiment two, loading frame and hanging basket fit structure schematic diagram；
Fig. 5 is the structural representation that the side slope model of the utility model embodiment three, loading frame and hanging basket coordinate.
1- side slopes model in figure, 2- loading frames, 3- LOADED CAVITYs, 5- granulateds loading material, 4- discharge ports, 21- framves
Frame, 22- side panels, 23- front panels, 6- material containing pouches, 61- feeding ports, 7- baffle plates, 8- switches, 9- hanging baskets, 91-
Bottom plate, 92- side plates, 11- model plates, 93- raising brackets, 931- support blocks, 932- support bars, the spacing pressing plates of 94-,
Half covers outside 95- postive stop baffles, 96- basket support bars, 97- adapter sleeves, 971-, and half covers in 972-, and 973- enters Ban Kou, 974-
Clamp fill plate, 941- locating parts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is carried out clearly and completely
Description.
Embodiment one：
It refer to Fig. 1-3, a kind of side slope geotechnical centrifugal model test surface relief arrangement, including side slope model 1, be sheathed on
Cover on side slope model 1 and at least loading frame 2 domatic before side slope model 1, before loading frame 2 and side slope model 1 it is domatic it
Between LOADED CAVITY 3 and be filled in LOADED CAVITY 3 granulated loading material 5, the bottom of loading frame 2 be provided with and the LOADED CAVITY
The 3 retractable discharge ports 4 communicated.The loading frame 2 includes frame frame 21, the transparent side panel 22 on frame frame 21 and preceding
Panel 23.The panel that being used on loading frame 2 shaped and positioned LOADED CAVITY 3 is all transparent panel, is filled beneficial to the monitoring in centrifuge
Put and be monitored in real time.
According to side slope on the spot to be measured from side slope model 1 and according to the selection of real load situation in centrifugal model test
The loading frame 2 of the suitable size of LOADED CAVITY 3, and loaded, loading frame 2 is used to keep preloading shape, thickness constant, in loading
Discharge port 4 is reserved in the bottom of frame 2, for side slope model 1 it is domatic on the smooth off-load of heaped load.
There is the material containing pouch 6 of blanking opening, the material containing in the LOADED CAVITY 3 provided with bottom correspondence discharge port 4 position
Pouch 6 is at least local to be connected with the frame frame 21.The side of correspondence loading frame 2 and above docking location is set in material containing pouch 6
There is the strip fixed part for sandwiching the docking location, locally overlapping is sandwiched in the docking location fixed part by the body of material containing pouch 6,
Fixed part is set and isometric with material containing pouch 6 along the length direction of material containing pouch 6.
Some centrifugal tests need to carry out under water environment, and the setting of material containing pouch 6 can add side slope model 1 and granulated
Material containing 5 is separated, it is to avoid granulated loading material adheres to or pierced in side slope model after drenching, and produces the adhesive force beyond centrifugal force,
Influence the accuracy of analog result.The loading and smooth off-load of granulated loading material 5 are easy in the setting of material containing pouch 6, improve
Simulated test it is preparatory.Material containing pouch 6 is local to be connected to ensure that material containing pouch 6 will not be with loading or unloading process with frame frame 21
Squeeze and be superimposed together up and down, it is ensured that material containing pouch 6 will not produce the deformation of influence experiment.
The open top of loading frame 2, the top of material containing pouch 6 has the filler for being higher by the top of side slope model 1
Mouth 61.It is easy to operator or operation element precise positioning filler to load.The material containing pouch 6 is filled out for upper and lower open formed respectively
The straight-through capsule pipe sleeve of material mouth and blanking opening.Straight-through capsule pipe sleeve only needs to one section of the interception from the capsule pipe sleeve rolled up greatly and can be used,
Cost is low, and loading and off-load are convenient, and simulation validity is high.
The switch 8 that the discharge port 4 is lifted provided with baffle plate 7 and for controlling baffle plate 7.
Miniature controlling switch is can select in the switch 8,941 of the top of discharge port 4 placement baffle plate 7, by miniature controlling switch control
Discharge port 4 processed is opened and closed.
The granulated loading material 5 is iron sand.Because iron sand is difficult form or abrasion, it is also easy to separate with liquid, so
Recycling was both easy to as material containing using iron sand, while being also beneficial to the accuracy for improving simulated test.
Embodiment two：
Fig. 4 is refer to, a kind of side slope geotechnical centrifugal model test surface relief arrangement is in the difference of above-described embodiment one
Also include hanging basket 9 in the experimental rig, the hanging basket 9 has bottom plate 91 and at least side plate 92, and the side slope model 1 is fixed
In on the bottom plate 91 of the hanging basket 9 and leaning against on the side plate 92, the side slope model 1 includes the model of multi-disc slant stack
Plate 11.
Side slope model 1 is formed by stacking by modular model plate 11, is easy to assemble a variety of side slope models, is also allowed for
Side slope mould processing, cost is low.The bottom of side slope model 1 and back carry out positioning branch branch by the bottom plate 91 and side plate 92 of hanging basket 9
Support, loads material 5 with the preceding domatic granulated by loading frame 2 and load sideways and is positioned.
The frame frame 21 of the loading frame 2 include be located in the both sides of side slope model 1 side frame and with before side slope model 1
It is located at the both sides of side slope model 1 on domatic parallel front plane frame, the bottom plate 91 and is provided with raising bracket 93, the frame framework 21 is set
In on the raising bracket 93.Loading frame is raised in the setting of raising bracket 93, and then discharge port 4 is raised, to ensure discharge port 4
There are enough overdose spaces to be easy to the smooth off-load of material containing to get off between the bottom plate 91 of hanging basket 9.
The raising bracket 93 includes support block 931 on the bottom plate 91 and in support block 931 and at least one
The support bar 932 that end is connected with the basket body of hanging basket 9.
Embodiment three：
Fig. 5 is refer to, a kind of side slope geotechnical centrifugal model test surface relief arrangement is in the difference of above-described embodiment two
The spacing pressing plate 94 and postive stop baffle being pressed against respectively on the front and rear of frame frame 21 are provided with the top shelf of the hanging basket 9
95.The top of the hanging basket 9 is provided with basket support bar 96, and the spacing two ends of pressing plate 94 pass through the fastening that is sheathed on the basket support bar 96
Set 97 is set up on the basket support bar 96, and the adapter sleeve 97 includes outer half set 971 being spirally connected respectively up and down by bolt
972 are covered with interior half, 972 open tops of interior half set are formed for passing through the spacing pressing plate 94 and making the spacing end of pressing plate 94
Enter plate mouthful 973 in half 972 sets of set outside insertion is described, the adapter sleeve at least side jacket wall is provided with clamping fill plate 974.
Hanging basket 9 has vertical rod after two in the present embodiment, and the side plate of hanging basket 9 is fixedly arranged on after rear vertical rod on surface, side slope mould
The rear portion side of type 1 is by the support bar on the inside of vertical rod behind one, the ground that is connected, opposite side by being against after another on the inside of vertical rod
The support block or additional gripping block widened are clamped on after two between vertical rod, and the setting of said structure ensures that the present apparatus is applicable
The side slope model of different in width.
The bottom of loading frame 2 is connected with raising bracket 93, and top is positioned by spacing pressing plate 94 and postive stop baffle 95, spacing
Pressing plate 94 is fixed to be applicable the loading frame 2 of different model by adjustable adapter sleeve 97.Inside and outside half set passes through bolt up and down
Docking is fixed, and the spacing front and rear sides of pressing plate 94 are against on the mouth wall of plate mouthfuls 973 in i.e. on the set roof of half set 972, top with
End is butted in outer half set 971, and structure regulation is easy to operate.Clamp fill plate 974 and be sandwiched in adapter sleeve 97 and be beneficial to adapter sleeve 97
Fastened with basket support bar 96.It is provided with along its length on flat recess hole, slotted eye by elastic on spacing pressing plate 94 in the present embodiment
Bolt is provided with two pieces of locating parts 941 for being clamped on the both sides of loading frame 2.
The setting of loading frame of the utility model with discharge port can be realized during centrifugal test without shutting down i.e.
Can side slope carry out off-load, so as to simulate the off-load dynamic process of actual side slope prototype, it is to avoid traditional experiment is shut down and digs side again
Stress loss caused by slope.Meanwhile, after the experiment of side slope model stress state, it can also change in the case where centrifuge does not shut down ground state
State after to side slope model off-load, had both avoided above-mentioned stress loss, while also allowing for shape after the loading of side slope model and off-load
Every experiment of state is accurately and efficiently carried out, and obtains the analog result of high accurancy and precision, is provided newly for simulation side slope off-load from now on
Thinking.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
It is any to belong to those skilled in the art in the technical scope that the utility model is disclosed in this, the change that can be readily occurred in
Change or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of side slope geotechnical centrifugal model test surface relief arrangement, it is characterised in that：Including side slope model (1), it is sheathed on
Cover on side slope model (1) and at least loading frame (2) domatic before side slope model (1), positioned at loading frame (2) and side slope model
(1) before it is domatic between LOADED CAVITY (3) and be filled in LOADED CAVITY (3) granulated loading material (5), the loading frame (2)
Bottom is provided with the retractable discharge port (4) communicated with the LOADED CAVITY (3), and the loading frame (2) includes frame frame (21), is located at
The transparent side panel (22) and front panel (23) of (21) on frame frame.
2. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 1, it is characterised in that：The LOADED CAVITY
(3) there is the material containing pouch (6) of blanking opening, the material containing pouch (6) at least office in provided with bottom correspondence discharge port (4) position
Portion is connected with the frame frame (21).
3. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 2, it is characterised in that：The loading frame
(2) there is the feeding port (61) for being higher by side slope model (1) top at the top of open top, the material containing pouch (6).
4. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 3, it is characterised in that：The material containing capsule
Bag (6) is upper and lower open formation feeding port respectively and the straight-through capsule pipe sleeve of blanking opening.
5. the side slope geotechnical centrifugal model test surface relief arrangement as any one of claim 1-4, it is characterised in that：
The switch (8) that the discharge port (4) lifts provided with baffle plate (7) and for controlling baffle plate (7).
6. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 1, it is characterised in that：Also include hanging basket
(9), the hanging basket (9) has bottom plate (91) and at least side plate (92), and the side slope model (1) is fixedly arranged on the bottom plate (91)
Go up and lean against on the side plate (92), the side slope model (1) includes the model plate (11) of multi-disc slant stack.
7. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 6, it is characterised in that：The frame frame
(21) include be located in side slope model (1) both sides side frame and with domatic parallel front plane frame before side slope model (1),
It is located at side slope model (1) both sides on the bottom plate (91) and is provided with raising bracket (93), the frame framework (21) is located at the lift
On overhead (93).
8. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 7, it is characterised in that：The raising bracket
(93) support block (931) on the bottom plate (91) is included and in support block (931) and at least one end is hung with described
The connected support bar (932) of basket (9) basket body.
9. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 7 or 8, it is characterised in that：It is described to hang
Basket (9) top shelf is provided with the spacing pressing plate (94) and postive stop baffle being pressed against respectively on frame frame (21) front and rear
(95) basket support bar (96), is provided with the top of the hanging basket (9), spacing pressing plate (94) two ends are by being sheathed on the basket support bar
(96) adapter sleeve (97) on is set up on the basket support bar (96), and the adapter sleeve (97) includes up and down respectively entering by bolt
Outer half set (971) and interior half being spirally connected of going covers (972), and described interior half set (972) open top forms described spacing for passing through
Pressing plate (94) simultaneously makes to enter Ban Kou (973), the adapter sleeve in spacing pressing plate (94) end insertion outer half set (971) set
(97) at least side jacket wall is provided with clamping fill plate (974).
10. side slope geotechnical centrifugal model test surface relief arrangement as claimed in claim 9, it is characterised in that：Spacing pressing plate
(94) it is provided with along its length on flat recess hole, slotted eye by elasticity bolt and is clamped on loading frame (2) both sides provided with two pieces
Locating part (941).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282967.2U CN206616600U (en) | 2017-03-22 | 2017-03-22 | A kind of side slope geotechnical centrifugal model test surface relief arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282967.2U CN206616600U (en) | 2017-03-22 | 2017-03-22 | A kind of side slope geotechnical centrifugal model test surface relief arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206616600U true CN206616600U (en) | 2017-11-07 |
Family
ID=60233588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720282967.2U Withdrawn - After Issue CN206616600U (en) | 2017-03-22 | 2017-03-22 | A kind of side slope geotechnical centrifugal model test surface relief arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206616600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836321A (en) * | 2017-03-22 | 2017-06-13 | 长江水利委员会长江科学院 | A kind of side slope geotechnical centrifugal model test surface relief arrangement |
-
2017
- 2017-03-22 CN CN201720282967.2U patent/CN206616600U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836321A (en) * | 2017-03-22 | 2017-06-13 | 长江水利委员会长江科学院 | A kind of side slope geotechnical centrifugal model test surface relief arrangement |
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Granted publication date: 20171107 Effective date of abandoning: 20220322 |