CN203559317U - Geo-grid for road construction - Google Patents
Geo-grid for road construction Download PDFInfo
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- CN203559317U CN203559317U CN201320576427.7U CN201320576427U CN203559317U CN 203559317 U CN203559317 U CN 203559317U CN 201320576427 U CN201320576427 U CN 201320576427U CN 203559317 U CN203559317 U CN 203559317U
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- grid
- grille strip
- groove
- road construction
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Abstract
The utility model belongs to the field of building materials and discloses a geo-grid for road construction. The geo-grid is used for solving the problem that the geo-grids are separated from road base bodies due to rainwater soaking during use in the existing geo-grids. The geo-grid comprises transverse grid bars and longitudinal grid bars, wherein the geo-grid for road construction is formed by interweaving the transverse grid bars and the longitudinal grid bars, grooves are formed in the upper and lower end faces of the transverse grid bars along the length directions of the transverse grid bars, grooves are formed in the upper and lower end faces of the longitudinal grid bars along the length direction of the longitudinal grid bars, and the grooves are provided with water-seepage geo-textile which is used for preventing foreign matters from entering the grooves. According to the geo-grid for road construction, rainwater can be timely discharged through the grooves, so that the phenomenon that the geo-grid is separated from a road base body due to long-time soaking is eliminated, and the service life of the road base body is prolonged.
Description
Technical field
The utility model belongs to the constructional materials of building field, is specifically related to the geo-grid that a kind of road construction is used.
Background technology
In the engineering constructions such as roadbed, dykes and dams, bank protection, often adopt reinforcement material is set on the soil body, matrix and the soil body are bonded together closely, improve the intensity of matrix, for bank protection, there is the effect preventing erosion.In engineering construction, civil grille is a kind of reinforcement material of commonly using.
Application number is that 200810070705.5 patent of invention discloses a kind of Novel geogrid, and geo-grid is the latticed knitted body of the crisscross formation of bamboo cane; The thickness of bamboo cane is that 0.5cm-1.0cm, width are that 1.8-2.5cm, length are 2.5-4.0m, and the grid lateral length on latticed knitted body is 10cm-15cm, and longitudinal length is 10cm-15cm; The bamboo cane portion of being cross-linked on latticed knitted body is by bolt, bonding or directly fixing with iron wire binding; A plurality of geo-grid are used bundled piece binding fixing, and stack forms multilayer geo-grid mutually; Below geo-grid body, be fixedly installed symmetrical buoyant mass; Below multilayer geo-grid, be fixedly installed symmetrical buoyant mass; Buoyant mass is foamed plastics; Buoyant mass is the cuboid of long 80-100cm, wide 10-12cm, high 8-10cm; Geo-grid is in one line, with iron wire or bundled piece, is fixedly connected to form large area structure body.
Application number is that 201120123619.3 utility model discloses a kind of compound geogrid, comprises grid grey cloth and is coated in the PVC layer on grid grey cloth, on a surface outside PVC layer, scribbles gum, is stained with polyester glass fibre cloth on gum.
Application number is that 200910234903.5 utility model patent discloses a kind of plastic geocell, comprise bar plastic lattice chamber sheet material and be connected folder, lattice chamber sheet material is placed side by side, connect and be clipped in the connecting portion of lattice chamber sheet material and fix with rivet, the lattice chamber sheet material linking together forms latticed three-dimensional lattice chamber, in each lattice chamber unit of latticed three-dimensional lattice chamber, be provided with connection cord, connection cord two ends respectively be connected folder and connect, bar shaped lattice chamber sheet material is provided with drain hole.Connection cord is that steel wire or polypropylene or polythene material are made.
The method of application number has been disclosing of 99813807.X a kind of geotextile fabric and reinforcement soil property structure.A unidirectional geotextile fabric, comprise be a plurality ofly spaced, parallel parallel yarn, rope or rove, it comprises the material that is selected from glass fiber, carbon fiber, graphite fibre and aramid fibre; And be a plurality ofly spaced, parallel warp yarn, rope or rove connects described parallel yarn, rope or rove form open net structure, warp yarn, rope or rove have the plasticity fabric fibre of being made by the material lower than the modulus of elasticity of parallel yarn, rope or rove.Open net structure floods with resin material; Resin material comprises adjudicate two cases together vinyl plastisol.
Geo-grid is for roadbed reinforcement, time particulate filler and grid be locked in together mutually, form stable plane, prevent that filler from sinking, and can make vertical load disperse, the severe area of geographical conditions can adopt multilayer reinforcement, to increase stability.Grid and ground surface material are blended together, can effectively disperse transmitted load, prevent the effects such as road surface crackle.
Geo-grid landfill in the process of using plays the effect of reinforcing rib in road matrix, although that existing geo-grid all has is corrosion-resistant, the performance of water-fast bubble, but when rainwater accumulates in geo-grid, though can not corrode geo-grid, but the rainwater of accumulation can cause the geo-grid matrix that comes off, thereby affect the reinforcing rib effect of geo-grid, the life-span that causes road matrix.
Utility model content
The existing geo-grid drainage performance of the utility model is poor and cause the problem that geo-grid and road matrix depart from, and the geo-grid that provides a kind of road construction to use, can discharge timely the rainwater of accumulation, prevent that geo-grid and road matrix from departing from, thus the application life of improving road matrix.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
The geo-grid that a kind of road construction is used, comprise horizontal and vertical grille strip, described horizontal grille strip and the geo-grid that longitudinally grille strip weaving formation road construction is used, it is characterized in that: the upper surface of described horizontal grille strip and lower surface offer along the groove of horizontal grille strip length direction, the upper surface of described longitudinal grille strip and lower surface offer the longitudinally groove of grille strip length direction, and described groove is equipped with for preventing that foreign material from entering the infiltration geotextiles of groove.
Further, the size of the opening of described groove is less than the size of groove bottom.
Further, the degree of depth of described groove is 1/6-1/3 of horizontal grille strip or longitudinal grille strip thickness.
Further, in described groove, be provided with silica gel.
Further, the upper surface of described horizontal grille strip and longitudinal grille strip is equipped with lower surface the gutter being communicated with groove.
Further, described gutter is evenly spaced is arranged on horizontal grille strip and longitudinally on the upper and lower end face of grille strip.
Further, the degree of depth of described gutter is less than the degree of depth of groove.
Compared with prior art, the utlity model has following beneficial effect:
One, the geo-grid that road construction of the present utility model is used, comprise horizontal and vertical grille strip, laterally grille strip forms with longitudinal grille strip weaving the geo-grid that road construction is used, laterally the upper surface of grille strip and lower surface offer along the groove of horizontal grille strip length direction, longitudinally upper surface and the lower surface of grille strip offer the longitudinally groove of grille strip length direction, and groove is equipped with for preventing that foreign material from entering the infiltration geotextiles of groove.When accumulation rain, the drainage by horizontal grille strip with the groove of longitudinal grille strip, can discharge rainwater in time, thereby prevents that geo-grid and road matrix from departing from, and improves the application life of road matrix.Meanwhile, groove is equipped with geotextiles, can prevent that the earth of road matrix or foreign material from stopping up groove, guarantees the patency of groove, improves Practical Performance of the present utility model.
Two, the size of the opening of groove of the present utility model is less than the size of groove bottom, earth or the foreign material that can further prevent road matrix enter groove and stop up groove, can reduce the area of laying geotextiles simultaneously, thereby the earth of minimizing road matrix or foreign material contact with geotextiles, prevent that geotextiles is damaged in the process of construction.
Three, the degree of depth of groove of the present utility model is 1/6-1/3 of horizontal grille strip or longitudinal grille strip thickness, ensures and can not affect because offering groove the intensity of geo-grid.
Four, in groove of the present utility model, be provided with silica gel, can either timely rainwater absorbed in groove and be discharged, can play certain supporting role again, improve the intensity of geo-grid.
Five, the upper surface of horizontal grille strip of the present utility model and longitudinal grille strip is equipped with lower surface the gutter being communicated with groove, by gutter, is convenient to absorb the tired rainwater of Road Base volume, improves Practical Performance of the present utility model.
Six, gutter of the present utility model is evenly spaced is arranged on horizontal grille strip and longitudinally on the upper and lower end face of grille strip, is convenient to processing and makes, and reduces the cost of manufacturing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the schematic cross-section of horizontal grille strip one embodiment of the utility model;
Mark in figure: 1, longitudinal grille strip, 2, horizontal grille strip, 3, groove, 4, gutter, 5, geotextiles, 6, silica gel.
The specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings and the specific embodiments, and described embodiment is only the utility model part embodiment, is not whole embodiment.Embodiment based in the utility model, those of ordinary skill in the art, not making other embodiment used that obtain under creative work prerequisite, belongs to protection domain of the present utility model.
The geo-grid that road construction of the present utility model is used, comprise horizontal and vertical grille strip, laterally grille strip forms with longitudinal grille strip weaving the geo-grid that road construction is used, laterally the upper surface of grille strip and lower surface offer along the groove of horizontal grille strip length direction, longitudinally upper surface and the lower surface of grille strip offer the longitudinally groove of grille strip length direction, and groove is equipped with for preventing that foreign material from entering the infiltration geotextiles of groove.When accumulation rain, the drainage by horizontal grille strip with the groove of longitudinal grille strip, can discharge rainwater in time, thereby prevents that geo-grid and road matrix from departing from, and improves the application life of road matrix.Meanwhile, groove is equipped with geotextiles, can prevent that the earth of road matrix or foreign material from stopping up groove, guarantees the patency of groove, improves Practical Performance of the present utility model.Geotextiles is the water permeability geosynthetics being formed by acupuncture or braiding by synthetic fibers, for those skilled in the art, can be appreciated and understood that, does not repeat them here.
As a kind of preferred mode; geotextiles is arranged on the position of the upper and lower end face certain distance of the horizontal grille strip of distance and longitudinal grille strip; minimizing geotextiles in the process of construction contacts with earth or the foreign material of road matrix, thereby plays the effect of protection geotextiles.
The size of the opening of groove of the present utility model is less than the size of groove bottom, earth or the foreign material that can further prevent road matrix enter groove and stop up groove, can reduce the area of laying geotextiles simultaneously, thereby the earth of minimizing road matrix or foreign material contact with geotextiles, prevent that geotextiles is damaged in the process of construction.
The degree of depth of groove of the present utility model is 1/6-1/3 of horizontal grille strip or longitudinal grille strip thickness, ensures and can not affect because offering groove the intensity of geo-grid.The setting of the degree of depth of groove is to carry out according to the soft or hard degree of road matrix, and when Road Base body is softer, the degree of depth of groove is set to 1/3 of horizontal grille strip or longitudinal grille strip thickness, guarantees that soft earth can not affect the drainage performance of groove; When Road Base body is harder, the degree of depth of groove is set to 1/6 of horizontal grille strip or longitudinal grille strip thickness, when guaranteeing groove drainage performance, improves the intensity of geo-grid.
In groove of the present utility model, be provided with silica gel, can either timely rainwater absorbed in groove and be discharged, can play certain supporting role again, improve the intensity of geo-grid.
Horizontal grille strip of the present utility model and the longitudinally upper surface of grille strip are equipped with lower surface the gutter being communicated with groove, by gutter, are convenient to absorb the tired rainwater of Road Base volume, improve Practical Performance of the present utility model.
Gutter of the present utility model is evenly spaced to be arranged on horizontal grille strip and longitudinally on the upper and lower end face of grille strip, to be convenient to processing and to make, and reduces the cost of manufacturing.The degree of depth of gutter is less than the degree of depth of groove, prevent from affecting because offering gutter the intensity of geo-grid, the quantity of gutter can be set according to the situation of local amount of precipitation, when the more place of amount of precipitation, the quantity of gutter can arrange some more, be convenient to timely draining rainwater, the place that amount of precipitation is less, the quantity of gutter can arrange less.
The utility model can be discharged rainwater in time, thereby prevents that geo-grid and road matrix from departing from, and improves the application life of road matrix.
Claims (6)
1. the geo-grid that road construction is used, comprise horizontal and vertical grille strip, described horizontal grille strip and the geo-grid that longitudinally grille strip weaving formation road construction is used, it is characterized in that: the upper surface of described horizontal grille strip and lower surface offer along the groove of horizontal grille strip length direction, the upper surface of described longitudinal grille strip and lower surface offer the longitudinally groove of grille strip length direction, and described groove is equipped with for preventing that foreign material from entering the infiltration geotextiles of groove.
2. the geo-grid that road construction according to claim 1 is used, is characterized in that: the size of the opening of described groove is less than the size of groove bottom.
3. the geo-grid that road construction according to claim 2 is used, is characterized in that: the degree of depth of described groove is 1/6-1/3 of horizontal grille strip or longitudinal grille strip thickness.
4. the geo-grid that road construction according to claim 3 is used, is characterized in that: in described groove, be provided with silica gel.
5. the geo-grid that road construction according to claim 4 is used, is characterized in that: described horizontal grille strip and the longitudinally upper surface of grille strip are equipped with lower surface the gutter being communicated with groove.
6. the geo-grid that road construction according to claim 5 is used, is characterized in that: described gutter is evenly spaced is arranged on horizontal grille strip and longitudinally on the upper and lower end face of grille strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576427.7U CN203559317U (en) | 2013-09-18 | 2013-09-18 | Geo-grid for road construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576427.7U CN203559317U (en) | 2013-09-18 | 2013-09-18 | Geo-grid for road construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559317U true CN203559317U (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576427.7U Expired - Fee Related CN203559317U (en) | 2013-09-18 | 2013-09-18 | Geo-grid for road construction |
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| Country | Link |
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| CN (1) | CN203559317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984186A (en) * | 2019-11-25 | 2020-04-10 | 河海大学 | Self-water-absorption composite geogrid |
| CN115419043A (en) * | 2022-09-21 | 2022-12-02 | 山东路德新材料股份有限公司 | Bidirectional geogrid with capillary drainage function and manufacturing method thereof |
-
2013
- 2013-09-18 CN CN201320576427.7U patent/CN203559317U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984186A (en) * | 2019-11-25 | 2020-04-10 | 河海大学 | Self-water-absorption composite geogrid |
| CN115419043A (en) * | 2022-09-21 | 2022-12-02 | 山东路德新材料股份有限公司 | Bidirectional geogrid with capillary drainage function and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20140918 |
|
| EXPY | Termination of patent right or utility model |