CN106065592B - A kind of composite air-permeable antiseepage geotechnical grid - Google Patents
A kind of composite air-permeable antiseepage geotechnical grid Download PDFInfo
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- CN106065592B CN106065592B CN201610473371.0A CN201610473371A CN106065592B CN 106065592 B CN106065592 B CN 106065592B CN 201610473371 A CN201610473371 A CN 201610473371A CN 106065592 B CN106065592 B CN 106065592B
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- China
- Prior art keywords
- geotechnical grid
- connector
- cell board
- grid cell
- bentonite
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
A kind of composite air-permeable antiseepage geotechnical grid including geotechnical grid cell board, connector and bentonite pad, is connected between adjacent geotechnical grid cell board by connector, and bentonite pad is compounded in by bonding agent at the top of geotechnical grid cell board and connector；Geotechnical grid cell board both ends have T-shaped connecting portion；Connector includes fixture block, and four side of fixture block is opened there are one T-slot mouth；T-slot mouth cooperates with T-shaped connecting portion；Bentonite pad includes geotextile and the sodium bentonite granulosa being filled in geotextile.The geotechnical grid of the present invention is fixed by the way of grafting, it is connected between adjacent geotechnical grid cell board by connector, it produces easy for installation, integral strength is high, simultaneously, the length and width of entire TGXG can be extended, autgmentability is strong by arbitrarily increasing geotechnical grid cell board and connector at TGXG edge；By one layer of bentonite pad compound above geotechnical grid cell board and connector, play the role of good ventilation anti-seepage.
Description
Technical field
The invention belongs to geotechnical grid technical fields, are related to a kind of compound geotechnical grid, specifically a kind of compound
Gas antiseepage geotechnical grid.
Background technology
Geotechnical grid is more popular a kind of novel high intensity geosynthetics domestic and international at present, by high intensity
HDPE or PP copolymerization material broadband, a piece of netted cell compartment structure welded or riveted by strength and formed.It is capable of expansion and contraction, transport
When can contract and gather into folds, when use, opens and fills native stone or concrete material again, forms with powerful laterally limiting and big rigidity
Structure.It can be used to as bed course, and soft ground treatment increases the bearing capacity of ground, can also be laid in slope surface and form slope
Face safeguard structure can also be used to build retaining structure etc..
Geotechnical grid is mainly used for firm highway, railway bed；It is administered for bearing the dyke of carrying force and shallow water river channel；
For preventing landslide and hybrid barricade by carrying force；And when encountering subgrade, it can be mitigated significantly using geotechnical grid
Construction labor intensity, reduction roadbed thickness speed of application is fast, and performance is good, greatly reduces project cost.
Geotechnical grid structure is relatively fixed used by the prior art, moreover, low strength, according to the construction of different earth's surfaces
Area, traditional geotechnical grid range of structures is more single, lacks the flexibility of structure arrangement, meanwhile, when geotechnical grid application
In refuse landfill, man-made lake and man-made tourist site when in the engineering that soil layers large area seeps water, it is also necessary to develop its ventilation anti-seepage
Function, thus this case generates.
Invention content
The purpose of the present invention is to provide the strong composite air-permeable antiseepage soil of a kind of easy for installation, sound construction, autgmentability
Work cell compartment.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of composite air-permeable antiseepage geotechnical grid is adjacent including geotechnical grid cell board, connector and bentonite pad
It is connected between geotechnical grid cell board by connector, the bentonite pad is compounded in geotechnical grid cell board by bonding agent
With connector top；
The geotechnical grid cell board both ends have T-shaped connecting portion；
The connector includes fixture block, and four side of fixture block is opened there are one T-slot mouth；
The T-slot mouth cooperates with T-shaped connecting portion；
The bentonite pad includes geotextile and the sodium bentonite granulosa being filled in geotextile.
Further, the geotechnical grid cell board is made of HDPE material.
Further, positioning pin is connected with below the fixture block, described positioning pin one end has tip.
Further, the upper and lower surface of the geotextile is respectively provided with mutual corresponding tie point, the tie point
Arranged in arrays, the mutual corresponding tie point in the upper and lower surface of the geotextile is connected by needle point method.
Further, the sodium bentonite granulosa contain bentonite clay particle, cationic-type polyacrylamide and it is cloudy from
The mixture of subtype polyacrylamide.
Beneficial effects of the present invention：The geotechnical grid of the present invention is fixed by the way of grafting, adjacent four geotechnological lattice
It being connected between chamber unit plate by connector, production is easy for installation, and integral strength is high, meanwhile, it can be by TGXG edge
It is arbitrary to increase geotechnical grid cell board and connector, the length and width of entire TGXG is extended, autgmentability is strong；By even
Setting positioning pin below fitting, by the positioning pin by the equicohesive mode of the torques such as TGXG limit on the ground, due to
Positioning pin is embedded to underground, has the fixation of deeper, and improve the tensile strength of TGXG；By in geotechnical grid list
Compound one layer of bentonite pad, plays the role of good ventilation anti-seepage above first plate and connector.
Description of the drawings
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of geotechnical grid cell board of the present invention.
Fig. 3 is the structure diagram of connector of the present invention.
Fig. 4 is the structure diagram of bentonite pad of the present invention.
Fig. 5 is the sectional view of bentonite pad of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that term " trepanning ", " on ", " under ", " thickness ", " top ", " in ",
Indicating positions or the position relationship such as " length ", " interior ", " surrounding " are for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified component or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
As shown in Figure 1, the present invention provides a kind of composite air-permeable antiseepage geotechnical grid, including geotechnical grid cell board 1,
Connector 2 and bentonite pad 3, geotechnical grid cell board 1 are mutually perpendicular to be staggered, adjacent four geotechnical grid cell boards 1 it
Between connected by connector 2, bentonite pad 3 is compounded in geotechnical grid cell board 1 and the top of connector 2 by bonding agent.
As shown in Fig. 2, geotechnical grid cell board 1 is HDPE rectangular slabs, both ends have T-shaped connecting portion 101, positioned at T-shaped
It opens there are four screw hole 101 one end of connecting portion.
As shown in figure 3, connector 2 includes rectangle fixture block 201,201 lower section of fixture block is connected with positioning pin 202, positioning pin 202
One end has tip, is positioned for being inserted into ground during laying.
201 4 side of fixture block is opened there are one T-slot mouth 203, and T-slot mouth 203 cooperates with T-shaped connecting portion 101, position
In being opened on 203 outer wall of T-slot mouth, there are four screw holes.During connection, the T-shaped connecting portion 101 of geotechnical grid cell board 1 is inserted into connection
In the T-slot mouth 203 of part 2, it is bolted fixation, it is sound construction, easy for installation, meanwhile, it can be by geotechnical grid side
Edge arbitrarily increases geotechnical grid cell board 1 and connector 2, extends the length and width of entire geotechnical grid, and autgmentability is strong.
As shown in figure 4, bentonite pad 3 includes geotextile 301 and the Na-bentonite grogs being filled in geotextile 301
Layer 302, under normal circumstances, bentonite particle are expanded in loose shape, good permeability when bentonite particle meets water, are made
It forms uniform colloid system, under the action of geotextile, bentonite is made to become orderly expansion, lasting suction from unordered
Water expansion results are that expansion soil layer itself reaches closely knit, so as to waterproof action, have excellent ventilation anti-seepage performance.
301 upper and lower surface of geotextile is respectively provided with mutual corresponding tie point 303, and tie point 303 is arranged in arrays,
The mutual corresponding tie point 303 in 301 upper and lower surface of geotextile is connected by needle point method, and the process of needle point method is exactly using thick
Fiber passes through sodium bentonite granulosa from upper strata geotextile, is fixed on the geotextile of lower floor, forms many small fibers
Space prevents bentonite clay particle from as a direction flowing, forming uniformly highdensity gluey waterproof layer when meeting water in pad, having
The leakage for preventing water of effect.
Sodium bentonite granulosa 302 contains bentonite clay particle, cationic-type polyacrylamide and anionic polyacrylamide
The mixture of amine ensure that the application in Various Complex, severe aquatic environment engineering.
During present invention installation, first connector 3 is fixed on the ground successively, it then will be successively by geotechnical grid cell board 1
T-shaped connecting portion 101 be inserted into connector 2 T-slot mouth 203 in, installation bolt connection fix, finally, will be swollen using bonding agent
The native pad 3 of profit is compounded in the top of geotechnical grid cell board 1 and connector 2, in practical application, can be by geotechnical grid edge
It is arbitrary to increase geotechnical grid cell board 1 and connector 2, the length and width of entire geotechnical grid is extended, autgmentability is strong.
The geotechnical grid of the present invention is fixed by the way of grafting, passes through company between adjacent four geotechnical grid cell boards
Fitting connects, and production is easy for installation, and integral strength is high, meanwhile, it can be by arbitrarily increasing geotechnical grid list at TGXG edge
First plate and connector, extend the length and width of entire TGXG, and autgmentability is strong；By setting positioning below connector
Pin is limited the equicohesive mode of the torques such as TGXG on the ground by the positioning pin, since positioning pin is embedded to underground, tool
There is the fixation of deeper, and improve the tensile strength of TGXG；By above geotechnical grid cell board and connector
Compound one layer of bentonite pad, plays the role of good ventilation anti-seepage.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Feature, which is lived, with reference to specific features, structure, the material that the embodiment or example describe is contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Above content is only to structure example of the present invention and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes in a similar way, without departing from invention
Structure surmounts range defined in the claims, is within the scope of protection of the invention.
Claims (3)
1. a kind of composite air-permeable antiseepage geotechnical grid, it is characterised in that：Including geotechnical grid cell board (1), connector (2) and
Bentonite pad (3) is connected by connector (2) between adjacent geotechnical grid cell board (1), and the bentonite pad (3) is logical
Bonding agent is crossed to be compounded at the top of geotechnical grid cell board (1) and connector (2)；
Described geotechnical grid cell board (1) both ends have T-shaped connecting portion (101)；
The connector (2) includes fixture block (201), and (201) four side of fixture block is opened there are one T-slot mouth (203)；
The T-slot mouth (203) cooperates with T-shaped connecting portion (101)；
Positioning pin (202) is connected with below the fixture block (201), the positioning pin (202) one end has tip；
The bentonite pad (3) includes geotextile (301) and the sodium bentonite granulosa being filled in geotextile (301)
(302)；
The upper and lower surface of the geotextile (301) is respectively provided with mutual corresponding tie point (303), the tie point
(303) arranged in arrays, the upper and lower mutual corresponding tie point in surface (303) of the geotextile (301) is connected by needle point method
It connects.
2. a kind of composite air-permeable antiseepage geotechnical grid according to claim 1, it is characterised in that：The geotechnical grid
Cell board (1) is made of HDPE material.
3. a kind of composite air-permeable antiseepage geotechnical grid according to claim 1, it is characterised in that：The Na-bentonite
The mixture of grogs layer (302) containing bentonite clay particle, cationic-type polyacrylamide and anion-polyacrylamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473371.0A CN106065592B (en) | 2016-06-23 | 2016-06-23 | A kind of composite air-permeable antiseepage geotechnical grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473371.0A CN106065592B (en) | 2016-06-23 | 2016-06-23 | A kind of composite air-permeable antiseepage geotechnical grid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106065592A CN106065592A (en) | 2016-11-02 |
| CN106065592B true CN106065592B (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610473371.0A Active CN106065592B (en) | 2016-06-23 | 2016-06-23 | A kind of composite air-permeable antiseepage geotechnical grid |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295962B (en) * | 2018-10-17 | 2020-12-25 | 安徽徽风新型合成材料有限公司 | Telescopic breathable anti-seepage geocell |
| CN114274605A (en) * | 2021-12-29 | 2022-04-05 | 南通学帆工程材料科技有限公司 | Preparation method of puncture-proof composite geotextile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0238616A (en) * | 1988-07-28 | 1990-02-08 | Takiron Co Ltd | Net for construction work |
| CN1101958A (en) * | 1993-03-25 | 1995-04-26 | 詹姆斯克莱姆公司 | Surface friction enhanced geosynthetic clay-liner |
| CN201554043U (en) * | 2009-12-14 | 2010-08-18 | 苏州市环境卫生管理处 | Middle anti-seepage liner structure for preventing local sinking in refuse landfill |
| CN203498818U (en) * | 2013-09-18 | 2014-03-26 | 安徽徽风新型建材有限公司 | High-strength geocell capable of being quickly jointed |
-
2016
- 2016-06-23 CN CN201610473371.0A patent/CN106065592B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0238616A (en) * | 1988-07-28 | 1990-02-08 | Takiron Co Ltd | Net for construction work |
| CN1101958A (en) * | 1993-03-25 | 1995-04-26 | 詹姆斯克莱姆公司 | Surface friction enhanced geosynthetic clay-liner |
| CN201554043U (en) * | 2009-12-14 | 2010-08-18 | 苏州市环境卫生管理处 | Middle anti-seepage liner structure for preventing local sinking in refuse landfill |
| CN203498818U (en) * | 2013-09-18 | 2014-03-26 | 安徽徽风新型建材有限公司 | High-strength geocell capable of being quickly jointed |
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| CN106065592A (en) | 2016-11-02 |
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