CN208104937U - A kind of geotechnical grid - Google Patents
A kind of geotechnical grid Download PDFInfo
- Publication number
- CN208104937U CN208104937U CN201820492194.5U CN201820492194U CN208104937U CN 208104937 U CN208104937 U CN 208104937U CN 201820492194 U CN201820492194 U CN 201820492194U CN 208104937 U CN208104937 U CN 208104937U
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- cell compartment
- cushion block
- middle spacer
- outer cushion
- cell
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Abstract
The utility model discloses a kind of geotechnical grids, several nodes including being used to form the cell compartment of netted cell compartment and for connecting two adjacent cell compartments, and node includes：It is located between two cell compartments, the middle spacer for increasing frictional force；For clamping the fastener of two cell compartments and middle spacer；Set on the outside of cell compartment, for being bonded the outer cushion block contacted with the compressive plane of fastener.Due to being equipped with middle spacer between two cell compartments, middle spacer is for increasing frictional force, and the two sides of middle spacer are contacted with two cell compartment fittings respectively, increase the friction area between two cell compartments, therefore two format pieces are increased in the frictional force of node, improves cell compartment in the skimming resistance and anti-shearing force of node.
Description
Technical field
The utility model relates to subgrade protection engineering device technique fields, more specifically to a kind of geotechnical grid.
Background technique
For the roadbed of long-time bearing, due to the pressure and shock effect of load, roadbed pressurized zone will gradually sink
Fall into, pressurized zone two sides can high high protuberance namely roadbed material to roadbed section two sides lateral displacement has occurred, to make roadbed
Bearing capacity weaken significantly.
In the prior art, geotechnical grid is generallyd use to improve the shearing resistance and frictional force of roadbed material, to reduce or prolong
Under the pressure or shock effect of load transverse shifting occurs for slow roadbed material.However, the company of geotechnical grid in the prior art
It connects at node, is usually directly connected to two cell compartment sheet materials by rivet, at the node of this connection type, two cell compartment sheet materials
Between peeling force and shearing force it is smaller, be easy to make connected two sheets mutually to peel away or wrong along the length direction of sheet material
Position.
In conclusion how to provide the geotechnological lattice of a kind of skimming resistance that can be improved between two sheets and anti-shearing force
Room is a problem to be solved by those skilled in the art.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of geotechnical grid, the cell compartment of the geotechnical grid have compared with
Big skimming resistance and anti-shearing force.
To achieve the goals above, the utility model provides the following technical solutions：
A kind of geotechnical grid, including being used to form the cell compartment of netted cell compartment and for connecting two adjacent cell compartments
Several nodes of piece, the node include：
It is located between two cell compartments, the middle spacer for increasing frictional force；
For clamping the fastener of two cell compartments and the middle spacer；
Set on the outside of the cell compartment, for being bonded the outer cushion block contacted with the compressive plane of the fastener.
Preferably, the middle spacer is the middle spacer that two sides are equipped with the resistance line for increasing frictional force.
Preferably, the outer cushion block is used to be equipped with the resistance line with the surface that cell compartment fitting contacts.
Preferably, the resistance line includes triangle form drag line, trapezoidal resistance line or wave form drag line.
Preferably, the surface in both the middle spacer and the outer cushion block for contacting with cell compartment fitting is equal
Equipped with wear-resistant coating.
Preferably, the edge part of the outer cushion block is equipped with described outer for reducing when the cell compartment forms netted cell compartment
Rounded corner of the cushion block to the shear action of the cell compartment.
Preferably, the corresponding position of the cell compartment, the middle spacer and the outer cushion block is equipped with connecting hole, described
Fastener is the screw bolt and nut cooperated with the connecting hole.
Preferably, the connecting hole includes A type connecting hole, Type B connecting hole or c-type connecting hole.
Preferably, the thickness of the outer cushion block is more than or equal to the thickness of the middle spacer.
Preferably, the middle spacer includes metallic middle spacer, and the outer cushion block includes the outer cushion block of metallic.
Geotechnical grid provided by the utility model, due to being equipped with middle spacer, middle spacer energy between two cell compartments
Enough increase the frictional force of contact surface, and the two sides of middle spacer are contacted with two cell compartment fittings respectively, increase two cell compartments
Friction area between piece, therefore two cell compartments are increased in the frictional force of node, to improve cell compartment in node
The skimming resistance and anti-shearing force in portion.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the main view in geotechnical grid specific embodiment interior joint portion provided by the utility model；
Fig. 2 is the partial schematic diagram of A in Fig. 1；
Fig. 3 is the structural schematic diagram of geotechnical grid specific embodiment one provided by the utility model；
Fig. 4 is the side view of geotechnical grid specific embodiment two provided by the utility model；
Fig. 5 is the side view of geotechnical grid specific embodiment three provided by the utility model.
Appended drawing reference of the Fig. 1 into Fig. 5 is as follows：
1 it is cell compartment, 2 be node, 3 be middle spacer, 4 be outer cushion block, 41 be rounded corner, 5 be fastener, 6 is resistance
Power line, 7 are connecting hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of geotechnical grid, and the cell compartment of the geotechnical grid has biggish antistripping
Power and anti-shearing force.
Fig. 1-Fig. 5 is please referred to, Fig. 1 is the main view in geotechnical grid specific embodiment interior joint portion provided by the utility model
Figure；Fig. 2 is the partial schematic diagram of A in Fig. 1；Fig. 3 is the structure of geotechnical grid specific embodiment one provided by the utility model
Schematic diagram；Fig. 4 is the side view of geotechnical grid specific embodiment two provided by the utility model；Fig. 5 is the utility model institute
The side view of the geotechnical grid specific embodiment three of offer.
The application provides a kind of geotechnical grid, adjacent including being used to form the cell compartment 1 of netted cell compartment and for connecting
Several nodes 2 of two cell compartments 1, node 2 include：
It is located between two cell compartments 1, the middle spacer 3 for increasing frictional force；
For clamping the fastener 5 of two cell compartments 1 and middle spacer 3；
Set on the outside of cell compartment 1, for being bonded the outer cushion block 4 contacted with the compressive plane of fastener 5.
It is understood that in use, when geotechnical grid to be entirely unfolded, due to the limitation of node 2, adjacent cell compartment
Netted cell compartment will be formed between piece 1, due to the laterally limiting effect of cell compartment 1, will inhibit the transverse shifting of roadbed material, thus
Improve the bearing capacity of roadbed.
It should be noted that geotechnical grid provided by the present application, it is mainly used for improving two neighboring cell compartment 1 in node
2 skimming resistance and anti-shearing force.For this purpose, geotechnical grid provided by the present application is equipped in the node 2 of two neighboring cell compartment 1
For increasing the middle spacer 3 of frictional force.
That is, the two neighboring cell compartment 1 of same node 2, which exists, mutually divides when mutually pulling open cell compartment 1
From peeling force and Relative sliding shearing force.In view of material and cost problem, the material of cell compartment 1 is usually plastic sheet
Material, and the frictional force between plastic sheet and plastic sheet is usually smaller, therefore, the application passes through between two cell compartments 1
It is arranged to add to the middle spacer 3 of frictional force, to improve skimming resistance and anti-shearing force between two cell compartments 1.
Specifically, as shown in Figure 1, after outer cushion block 4, cell compartment 1, middle spacer 3, cell compartment 1 and outer cushion block 4 be stacked
It is closely connected by fastener 5.
Two surfaces up and down of middle spacer 3 are contacted with the fitting of a side of two cell compartments 1 respectively, by two cell compartments
The frictional force that piece 1 directly contacts is converted into the frictional force between cell compartment 1 and middle spacer 3, since middle spacer 3 is capable of increasing
Frictional force, and two sides of middle spacer 3 are contacted with the fitting of cell compartment 1, increase the rubbing surface between two cell compartments
Product, this improves two cell compartments 1 node 2 frictional force.
Two outer cushion blocks 4 are contacted with the fitting of the another side of two cell compartments 1 respectively, the other side of outer cushion block 4 and fastening
The compressive plane of part 5 is bonded contact, for buffer fastener 5 to the pressure of cell compartment 1, avoid the compressive plane of fastener 5 directly with
The fitting contact of cell compartment 1, causes the extruding force of fastener 5 to directly act on the side of cell compartment 1, causes to damage to cell compartment 1
It is bad, and then influence the intensity of cell compartment 1.On the other hand, outer cushion block 4 also plays sealing to the connection of fastener 5 and cell compartment 1 and makees
With the leakproofness of junction being increased, to ensure that the reliability that fastener 5 is connect with cell compartment 1.
It should be noted that the application is not specifically limited the thickness of middle spacer 3 and outer cushion block 4.In view of centre
Two contact surfaces up and down of cushion block 3 are ground, in order to guarantee middle spacer 3 and outer cushion block 4 service life consistency, preferably
Ground, twice of the thickness with a thickness of outer cushion block 4 of middle spacer 3.However, it is contemplated that outer cushion block 4 is made by the extruding of fastener 5
With in order to improve the buffer function and service life of outer cushion block 4, it is preferable that need suitably to thicken the thickness of outer cushion block 4.Cause
This, user can select according to actual needs the thickness of middle spacer 3 and outer cushion block 4, as long as ensuring that middle spacer 3 can mention
Frictional force, outer cushion block 4 between high two cell compartments 1 can be avoided fastener 5 and damages to cell compartment 1.
As a preferred embodiment, middle spacer 3 is metallic middle spacer, and outer cushion block 4 is the outer cushion block of metallic.When
So, middle spacer 3 and outer cushion block 4 can also be cushion block outside nonmagnetic sheathed cable substance middle spacer and nonmagnetic sheathed cable substance with higher-strength.
The present embodiment to the specific structure of fastener 5 without limitation, as long as can closely connection be by two cell compartments 1
It can.
In conclusion geotechnical grid provided by the present application, intermediate due to being equipped with middle spacer 3 between two cell compartments 1
Cushion block 3 can increase the frictional force between contact surface, and the two sides of middle spacer 3 are bonded with the side of two cell compartments 1 respectively
Contact, increases the friction area between two cell compartments 1, therefore, middle spacer 3 increases two cell compartments 1 in node 2
Frictional force, to improve two cell compartments 1 in the skimming resistance and anti-shearing force of node 2.
In order to improve the frictional force between the contact surface that middle spacer 3 is contacted with the fitting of cell compartment 1, in above-described embodiment
On basis, middle spacer 3 is the middle spacer 3 that two sides are equipped with the resistance line 6 for increasing frictional force.
That is, two surfaces up and down of middle spacer 3 are equipped with resistance line 6, during the present embodiment is increased by resistance line 6
Between cushion block 3 and the contact surface of cell compartment 1 frictional force, to improve cell compartment 1 in the skimming resistance of node 2 and anti-shearing
Power.
In order to improve the frictional force between the contact surface that outer cushion block 4 is contacted with the fitting of cell compartment 1, in the base of above-described embodiment
On plinth, outer cushion block 4 is used to be bonded the surface contacted with cell compartment 1 and is equipped with resistance line 6.
That is, outer cushion block 4 is contacted by resistance line 6 with the fitting of cell compartment 1, this further increases two cell compartments 1
Between frictional force, improve the skimming resistance and anti-shearing force of two cell compartments 1.
In view of the concrete shape of resistance line 6, on the basis of above-described embodiment, resistance line 6 includes triangle form drag
Line, trapezoidal resistance line or wave form drag line.
In order to improve the service life of middle spacer 3 and outer cushion block 4, on the basis of above-described embodiment, middle spacer 3
Wear-resistant coating is equipped with for being bonded the surface contacted with cell compartment 1 in outer 4 the two of cushion block.
It is understood that wear-resistant coating can increase the wearability of middle spacer 3 and outer cushion block 4, make 3 He of middle spacer
Outer cushion block 4 is not easy to wear, permanent to keep middle spacer 3 and cell compartment so as to improve the service life of middle spacer 3 and outer cushion block 4
Piece 1 and outer cushion block 4 and the fitting contact surface of cell compartment 1 have reliable frictional force.
In view of when the expansion of cell compartment 1 reticulates cell compartment, two cell compartments 1 are separated from each other, due to the limitation of node 2
The edge part of effect, outer cushion block 4 will generate shear action to cell compartment 1, make to reduce outer cushion block 4 to the shearing of cell compartment 1
With on the basis of above-mentioned any one embodiment, the edge part of outer cushion block 4 is equipped with for when cell compartment 1 forms netted lattice
Reduce outer cushion block 4 when room to the rounded corner 41 of the shear action of cell compartment 1.
It is understood that the edge part of outer cushion block 4 passes through 41 rounding off of rounded corner, to mutually shell in cell compartment 1
From when, the rounding off of rounded corner 41 can just step down the bending part of cell compartment 1, avoid the right-angle side edge mistake of outer cushion block 4
In sharp, shear action is generated to the bending part of cell compartment 1.
In view of the specific structure and fastener 5 of fastener 5 and the specific connection type of cell compartment 1, in above-mentioned implementation
On the basis of example, the corresponding position of cell compartment 1, middle spacer 3 and outer cushion block 4 is equipped with A type connecting hole, Type B connecting hole or c-type
Connecting hole, fastener 5 are the screw bolt and nut of corresponding model.
That is, the present embodiment by screw bolt and nut by the two neighboring cell compartment 1 being stacked, middle spacer 3 and
Two outer cushion blocks 4 are fixedly connected.
It is understood that bolt connecting mode compared with the prior art in riveting method, have biggish connection strong
Degree, also significantly improves cell compartment 1 it can also be seen that being bolted from peel test force and the shearing force testing of node 2
Skimming resistance and anti-shearing force.
It should be noted that user can determine the model of connecting hole 7 according to the specific size of required bonding strength, into
And select the screw bolt and nut of corresponding model.
In addition, in order to further improve bonding strength, it is preferable that the number of connecting hole 7 is three, and three connecting holes
7 along cell compartment 1 width direction it is equally spaced be arranged side by side.Further, among can be according to bonding strength increase in demand
The width of cushion block 3 and outer cushion block 4, it is thus possible to add connecting hole 7, for example, can be arranged along the length direction of cell compartment 1 to
Few two rows connecting hole 7, every row's connecting hole 7 are equally spaced arranged side by side along the width direction of cell compartment 1.The connecting hole of adjacent two rows
7 settings that can be aligned one by one, the setting that can also be mutually staggered.
The cost and outer cushion block 4 for comprehensively considering middle spacer 3 are to the buffer function of 5 pressure of fastener, in above-mentioned implementation
On the basis of example, the thickness of outer cushion block 4 is more than or equal to the thickness of middle spacer 3.
Actual test shows that the resistance line 6 on about 3 two surfaces of middle spacer is enough to improve middle spacer 3 and cell compartment 1
It is bonded the frictional force of contact surface, for save the cost, as long as the thickness of middle spacer 3 can guarantee the resistance on upper and lower two surfaces
The setting of line 6.
In addition, avoiding fastener 5 from damaging cell compartment 1 for the squeezing action of buffer fastener 5, need to guarantee
Outer cushion block 4 has enough thickness.Therefore, the thickness of the present embodiment China and foreign countries cushion block 4 is more than or equal to the thickness of middle spacer 3.
In order to guarantee that middle spacer 3 and outer cushion block 4 have enough intensity, on the basis of above-described embodiment, middle pad
Block 3 includes metallic middle spacer, and outer cushion block 4 includes the outer cushion block of metallic.
In the description of present specification, it is to be understood that the orientation or relationship of the instructions such as term " on ", "lower" are bases
In orientation or positional relationship shown in the drawings, it is merely for convenience of description and simplification and describes, rather than indication or suggestion meaning
Device or element must have a particular orientation and specific orientation constructs and operation, therefore should not be understood as to the application
Limitation.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Geotechnical grid provided by the utility model is described in detail above.Specific case pair used herein
The principles of the present invention and embodiment are expounded, and the above embodiments are only used to help understand, and this is practical new
The method and its core concept of type.It is practical not departing from it should be pointed out that for those skilled in the art
Under the premise of new principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this
In the protection scope of utility model claims.
Claims (10)
1. a kind of geotechnical grid, which is characterized in that adjacent including being used to form the cell compartment (1) of netted cell compartment and for connecting
Several nodes (2) of two cell compartments (1), the node (2) include：
It is located between two cell compartments (1), the middle spacer (3) for increasing frictional force；
For clamping the fastener (5) of two cell compartments (1) and the middle spacer (3)；
Set on the outside of the cell compartment (1), for being bonded the outer cushion block (4) contacted with the compressive plane of the fastener (5).
2. geotechnical grid according to claim 1, which is characterized in that the middle spacer (3) is equipped with for two sides and is used for
Increase the middle spacer of the resistance line (6) of frictional force.
3. geotechnical grid according to claim 2, which is characterized in that the outer cushion block (4) is used for and the cell compartment (1)
The surface of fitting contact is equipped with the resistance line (6).
4. geotechnical grid according to claim 3, which is characterized in that the resistance line (6) includes triangle form drag line, ladder
Form drag line or wave form drag line.
5. geotechnical grid according to claim 1, which is characterized in that the middle spacer (3) and the outer cushion block (4) two
Surface in person for contacting with the cell compartment (1) fitting is equipped with wear-resistant coating.
6. geotechnical grid according to claim 1-5, which is characterized in that the edge part of the outer cushion block (4) is set
Have for reducing the outer cushion block (4) to the shear action of the cell compartment (1) when the cell compartment (1) forms netted cell compartment
Rounded corner (41).
7. geotechnical grid according to claim 6, which is characterized in that the cell compartment (1), the middle spacer (3) and
The corresponding position of the outer cushion block (4) is equipped with connecting hole (7), and the fastener (5) is the spiral shell cooperated with the connecting hole (7)
Screw bolt and nut.
8. geotechnical grid according to claim 7, which is characterized in that the connecting hole (7) includes A type connecting hole, Type B company
Connect hole or c-type connecting hole.
9. geotechnical grid according to claim 7, which is characterized in that the thickness of the outer cushion block (4) is more than or equal to described
The thickness of middle spacer (3).
10. geotechnical grid according to claim 6, which is characterized in that the middle spacer (3) includes metallic middle pad
Block, the outer cushion block (4) include the outer cushion block of metallic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492194.5U CN208104937U (en) | 2018-04-08 | 2018-04-08 | A kind of geotechnical grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492194.5U CN208104937U (en) | 2018-04-08 | 2018-04-08 | A kind of geotechnical grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208104937U true CN208104937U (en) | 2018-11-16 |
Family
ID=64120956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820492194.5U Active CN208104937U (en) | 2018-04-08 | 2018-04-08 | A kind of geotechnical grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208104937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330763A (en) * | 2018-04-08 | 2018-07-27 | 安徽徽风新型合成材料有限公司 | A kind of geotechnical grid |
-
2018
- 2018-04-08 CN CN201820492194.5U patent/CN208104937U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330763A (en) * | 2018-04-08 | 2018-07-27 | 安徽徽风新型合成材料有限公司 | A kind of geotechnical grid |
| CN108330763B (en) * | 2018-04-08 | 2024-02-27 | 安徽徽风新型合成材料有限公司 | Geotechnical grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Geo-cell type ecological ditch Effective date of registration: 20200115 Granted publication date: 20181116 Pledgee: CITIC Bank Hefei branch Pledgor: ANHUI HUIFENG NEW SYNTHETIC MATERIALS CO., LTD. Registration number: Y2020980000119 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |