CN206115855U - Tunnel is supporting construction experimental model case in advance - Google Patents
Tunnel is supporting construction experimental model case in advance Download PDFInfo
- Publication number
- CN206115855U CN206115855U CN201620880613.3U CN201620880613U CN206115855U CN 206115855 U CN206115855 U CN 206115855U CN 201620880613 U CN201620880613 U CN 201620880613U CN 206115855 U CN206115855 U CN 206115855U
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- China
- Prior art keywords
- casing
- cuboid
- plate
- tunnel
- floor
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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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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a tunnel is the supporting technology field in advance, concretely relates to tunnel is supporting construction experimental model case in advance. Vertical placing and the long cubic box of horizontal cross -section for the square is drawn together to the experimental model case and bag, long cubic box cavity and upper portion are uncovered, the middle part of two curb plates that are parallel to each other of long cubic box is relative has seted up the excavation window, is equipped with the excavation window detachable is connected with and is used for the shutoff on the lateral wall of curb plate the baffle of excavation window. The utility model provides a tunnel is supporting construction experimental model case in advance can effectively simulate the supporting construction in advance in tunnel based on similarity theory, for its simple structure of field test research, easy dismounting, with low costs, can be used to teaching demonstration or elementary theoretical simulation and research.
Description
Technical field
This utility model is related to tunnel pre-supporting technology field, and in particular to a kind of tunnel pre support structural experiment model
Case.
Background technology
Tunnel leading pre-supporting structure can effectively control surface subsidence and the impact to surrounding enviroment, it is ensured that open in tunnel
The safety of digging, particularly with large-scale pipe curtain or pre-timbering with tubular prop, therefore for the research of its mechanical characteristic and deformation rule
It is particularly important.The related mechanics problem of Tunnel Engineering, is that rock and soil properties, force-bearing situation and boundary condition are all relative complex
Three-dimensional problem, as this complicated loading characteristic, current mathematics and mechanical analysis method are difficult to effectively comprehensively explain tunnel
The mechanical characteristic and deformation mechanism of structure, therefore scene or laboratory simulation test analysis are just particularly important.But scene examination
Complexity is tested, it is relatively costly, therefore model test becomes the important means of research problems.
Utility model content
For deficiencies such as the complexity of pre support field test in tunnel present in prior art, cost height, this utility model is carried
For a kind of tunnel pre support structural experiment model casing.
The technical scheme that this utility model solves above-mentioned technical problem is as follows:A kind of tunnel pre support structural experiment model
Case, which includes vertically placing and horizontal cross-section is foursquare cuboid casing, and the cuboid casing is hollow and top
Open, the cuboid casing is formed by connecting by four blocks of side plates and one piece of base plate, two side plates being parallel to each other therein
What middle part was relative offers excavation window, is provided with the lateral wall of the side plate for excavating window and is removably connected with use
In the baffle plate for blocking the excavation window.
On the basis of above-mentioned technical proposal, this utility model can also do following improvement.
Further, it is bolted between the cuboid casing adjacent side plates and between side plate and base plate.
Further, the baffle plate is detachably connected by bolt with the corresponding side plate.
Further, be vertically arranged with the cuboid casing it is some for strengthening its rigid floor of putting more energy into, it is described
The lower limb of floor of putting more energy into is connected with the cuboid base plate, the lateral edges of the floor of putting more energy into and the cuboid casing
Side plate connection.
Further, for modification of right-angled triangle plate, a right-angle side of the floor of putting more energy into is rectangular with described for the floor of putting more energy into
The base plate connection of bodily form casing, another right-angle side of the floor of putting more energy into are connected with the side plate of the cuboid casing.
Further, the excavation window is set to rectangle or circle.
Further, the length of the cuboid casing is respectively set to 1.5m, 1.5m and 1.2m.
Further, the side plate of the cuboid casing, base plate and baffle plate are plank, poly (methyl methacrylate) plate or steel plate.
The beneficial effects of the utility model are:The tunnel pre support structural experiment model casing that this utility model is provided is based on phase
Like theoretical, the protection structure of paying in advance in tunnel can effectively be simulated, for field test research its simple structure, tear open
Dress is convenient, low cost, can be used for teaching demonstration or primary theoretical modeling and research.
Description of the drawings
A kind of axonometric drawing of tunnel pre support structural experiment model casing that Fig. 1 is provided for this utility model;
Fig. 2 is the internal structure schematic diagram of the tunnel pre support structural experiment model casing shown in Fig. 1.
In accompanying drawing, the list of parts representated by each label is as follows:
1. side plate;2. base plate;3. window is excavated;4. baffle plate;5. put more energy into floor.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in Figures 1 and 2, this utility model provides a kind of tunnel pre support structural experiment model casing, and which includes vertically
Place and horizontal cross-section is foursquare cuboid casing, the cuboid casing is hollow and open topped, described rectangular
Window 3 is excavated in relative the offering in middle part of the side plate 1 that two of bodily form casing are parallel to each other, and is provided with the excavation window 3
Removably it is connected with the lateral wall of the side plate 1 for blocking the baffle plate 4 for excavating window 3.
Further, it is bolted between the cuboid casing adjacent side plates 1 and between side plate 1 and base plate 2.
Further, the baffle plate 4 is detachably connected by bolt with the corresponding side plate 1.
Further, be vertically arranged with the cuboid casing it is some for strengthening its rigid floor 5 of putting more energy into, it is described
The lower limb of floor 5 of putting more energy into is connected with the cuboid base plate 2, the lateral edges and the cuboid of the floor 5 of putting more energy into
The side plate 1 of casing connects.
Further, it is described to put more energy into floor 5 for modification of right-angled triangle plate, a right-angle side and the length of the floor 5 of putting more energy into
The base plate 2 of cube shape casing connects, and another right-angle side and the side plate 1 of the cuboid casing of the floor 5 of putting more energy into connect
Connect.
Further, the excavation window 3 is set to rectangle or circle.
Further, the length of the cuboid casing is respectively set to 1.5m, 1.5m and 1.2m.Now, if institute
Excavation window 3 is stated when being set to rectangle, its length and width difference relative set is 0.9m and 0.5m, and wherein broadside is along the cuboid
The short transverse of casing, the top of the excavation window are 0.3m with the distance of the open-mouth of cuboid casing.
Further, the side plate 1 of the cuboid casing, base plate 2 and baffle plate 4 are plank, poly (methyl methacrylate) plate or steel plate.
The above-mentioned tunnel pre support structural experiment model casing provided using this utility model carries out the concrete behaviour of corresponding experiment
Make step as follows:
First, it is complete to assemble experimental model case, the connection each plate fastened with bolt;
Next step, makes model clay according to requirement of experiment, and the parameter of model clay is each in test to derive according to the principle of similitude
Model value corresponding to physical and mechanical parameter;
Next step, native uniform paving from level to level is entered in model casing, soil is tamped according to the density of soil;
Next step, excavates the left side of mouth, the right, base in a longitudinal direction in rectangle according to pre support structural model size
The supporting tubing for having connected is embedded in soil;
Next step, after soil layer is filled into the top of structure, by the top of structure with bury good part and be connected with
Come, what formation was complete pays protection structure in advance;
Next step, soil layer continue landfill to model coboundary;
Next step, installs all kinds of monitoring instruments, including can monitor pay protection structure and the sedimentation of the periphery soil body in advance dial gauge, use
Resistance strain gage in the soil pressure cell of monitoring tunnel surrounding soil pressure and for monitoring pre support malformation, and check which is
It is no normal;
Finally, dismantle and excavate window baffle plate, carry out soil excavation in pre support inside configuration according to method for tunnel construction, and
Record Monitoring Data.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (8)
1. a kind of tunnel pre support structural experiment model casing, it is characterised in that including vertically placing and horizontal cross-section is square
Cuboid casing, the cuboid casing is hollow and open topped, the cuboid casing by four pieces of side plates (1) and
One piece of base plate (2) is formed by connecting, and window (3) is excavated in relative the offering in middle part of the side plate (1) that two of which is parallel to each other, if
Have on the lateral wall of the side plate (1) for excavating window (3) and be removably connected with for blocking excavation window (3)
Baffle plate (4).
2. a kind of tunnel pre support structural experiment model casing according to claim 1, it is characterised in that the cuboid
It is bolted between casing adjacent side plates (1) and between side plate (1) and base plate (2).
3. a kind of tunnel pre support structural experiment model casing according to claim 1, it is characterised in that the baffle plate (4)
It is detachably connected by bolt with the corresponding side plate (1).
4. a kind of tunnel pre support structural experiment model casing according to claim 1, it is characterised in that the cuboid
Be vertically arranged with casing it is some for strengthening its rigid floor of putting more energy into (5), the lower limb of the floor of putting more energy into (5) with it is described
Base plate (2) connection of cuboid casing, the lateral edges of the floor of putting more energy into (5) and the side plate (1) of the cuboid casing
Connection.
5. a kind of tunnel pre support structural experiment model casing according to claim 4, it is characterised in that the floor of putting more energy into
(5) it is modification of right-angled triangle plate, a right-angle side of the floor of putting more energy into (5) is connected with the base plate (2) of the cuboid casing,
Another right-angle side of the floor of putting more energy into (5) is connected with the side plate (1) of the cuboid casing.
6. a kind of tunnel pre support structural experiment model casing according to any one of claim 1 to 5, it is characterised in that institute
State excavation window (3) and be set to rectangle or circle.
7. a kind of tunnel pre support structural experiment model casing according to claim 6, it is characterised in that the cuboid
The length of casing is respectively set to 1.5m, 1.5m and 1.2m.
8. a kind of tunnel pre support structural experiment model casing according to claim 6, it is characterised in that the cuboid
The side plate (1) of casing, base plate (2) and baffle plate (4) are plank, poly (methyl methacrylate) plate or steel plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620880613.3U CN206115855U (en) | 2016-08-15 | 2016-08-15 | Tunnel is supporting construction experimental model case in advance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620880613.3U CN206115855U (en) | 2016-08-15 | 2016-08-15 | Tunnel is supporting construction experimental model case in advance |
Publications (1)
Publication Number | Publication Date |
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CN206115855U true CN206115855U (en) | 2017-04-19 |
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CN201620880613.3U Expired - Fee Related CN206115855U (en) | 2016-08-15 | 2016-08-15 | Tunnel is supporting construction experimental model case in advance |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107505449A (en) * | 2017-09-13 | 2017-12-22 | 武汉科技大学 | A kind of pipe curtain supporting construction model test apparatus |
CN108447380A (en) * | 2018-03-11 | 2018-08-24 | 北京工业大学 | A kind of multifunctional tunnel excavates the model case apparatus of model test |
CN110992811A (en) * | 2019-11-29 | 2020-04-10 | 湖北工业大学 | Multifunctional workbench for civil engineering practice teaching |
CN113311107A (en) * | 2021-05-06 | 2021-08-27 | 四川公路桥梁建设集团有限公司 | Test device and method for simulating excavation of super-large section variable cross-section urban tunnel |
-
2016
- 2016-08-15 CN CN201620880613.3U patent/CN206115855U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107505449A (en) * | 2017-09-13 | 2017-12-22 | 武汉科技大学 | A kind of pipe curtain supporting construction model test apparatus |
CN108447380A (en) * | 2018-03-11 | 2018-08-24 | 北京工业大学 | A kind of multifunctional tunnel excavates the model case apparatus of model test |
CN110992811A (en) * | 2019-11-29 | 2020-04-10 | 湖北工业大学 | Multifunctional workbench for civil engineering practice teaching |
CN110992811B (en) * | 2019-11-29 | 2022-01-14 | 湖北工业大学 | Multifunctional workbench for civil engineering practice teaching |
CN113311107A (en) * | 2021-05-06 | 2021-08-27 | 四川公路桥梁建设集团有限公司 | Test device and method for simulating excavation of super-large section variable cross-section urban tunnel |
CN113311107B (en) * | 2021-05-06 | 2023-11-14 | 四川公路桥梁建设集团有限公司 | Test device and method for simulating ultra-large section variable cross section urban tunnel excavation |
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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: 20170419 Termination date: 20170815 |
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CF01 | Termination of patent right due to non-payment of annual fee |