CN109853513B - Geocell and preparation method thereof - Google Patents
Geocell and preparation method thereof Download PDFInfo
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- CN109853513B CN109853513B CN201910209088.0A CN201910209088A CN109853513B CN 109853513 B CN109853513 B CN 109853513B CN 201910209088 A CN201910209088 A CN 201910209088A CN 109853513 B CN109853513 B CN 109853513B
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Abstract
The invention discloses a geocell, which comprises a plurality of geocell sheets and a plurality of clamping grooves, wherein every two geocell sheets are symmetrically arranged in a horizontal mode, the joints of the adjacent geocell sheets are fixedly connected by a binding belt and the clamping grooves in a double mode, the geocell after combination is a plurality of regular hexagons which are uniformly arranged, the clamping grooves are C-shaped clamping grooves, and barbs are arranged at the bottoms of the clamping grooves. The geocell is a simple and efficient connection mode, and the problems of low strength, poor connectivity and the like of the geocell are solved.
Description
Technical Field
The invention relates to a geocell and a preparation method thereof.
Background
The working principle of the geocell is that force is transmitted to each joint through the cell sheets and then transmitted to the adjacent cell sheets through each joint, so that the geocell is integrally used as a reinforcement material to resist the action of external force. Therefore, the relative stability of the shape and the material of the geocell is particularly important, and whether the shape of the geocell is stable or not is mainly determined by the strength of the connecting part; and whether the geocell material is stable or not depends mainly on the compression strength and the shear strength.
Today's geocells are mainly divided into two categories: the first type is that conventional geocells are welded from unstretched polymer sheets; the second type is formed by inserting and riveting stretched polymer sheets.
A disadvantage of both types of geocells is that the junctions of the cell sheets are relatively weak. The first type has low compressive and tensile strength; in the second type, the joint cannot be welded after stretching, and the same strength in all directions cannot be obtained, and the tensile strength (pull-out strength) in the forward direction is low.
In practical engineering application, after the geocell is laid flatly, uneven stress is easy to occur when media are filled and dynamic load is applied. If the strength of the connection part of the geocell is too low or the material is too soft, the problems of sheet lodging or serious deformation and the like easily occur in the construction process.
Disclosure of Invention
In view of the shortcomings of the background art, the technical problem to be solved by the invention is to provide a geocell and a preparation method thereof. The geocell is simple in structure and strong in stability, and the preparation method of the geocell is convenient in process, low in carbon, environment-friendly, low in scouring rate and small in ecological influence.
The invention relates to a geocell which is completed by adopting the following technical scheme, and the geocell comprises a plurality of geocell sheets and a plurality of clamping grooves, wherein every two geocell sheets are symmetrically arranged in a horizontal mode, the joints of the adjacent geocell sheets are fixedly connected by a binding belt and the clamping grooves in a double mode, after combination, the geocell is a plurality of regular hexagons which are uniformly arranged, the clamping grooves are C-shaped clamping grooves, and barbs are arranged at the bottoms of the clamping grooves.
The barb of draw-in groove bottom is the zigzag, barb and draw-in groove lateral wall contained angle are 10.
Patterns are arranged on the inner side of the side wall of the clamping groove, and the contact area of the side wall of the clamping groove and the grid cell sheet is 2/3 of the area of the grid cell sheet.
The patterns on the inner side of the side wall of the clamping groove are latticed patterns.
The ratio of the height of the sharp teeth of the sawtooth-shaped barbs to the height of the side wall of the clamping groove is 1: 10.
the clamping groove is made of stainless steel.
The geocell piece selects to use the rectangular shape cement blanket, and then selects to use two moulds with 120-degree break angles, the inner side of the mould is fully coated with lubricant, the cement blanket is arranged in the mould, the cement blanket is extruded and formed by external force, then watered and soaked, and thoroughly poured, the plastic film is covered for curing, demoulding and curing can be carried out after 24 hours, watering and curing time during curing is not less than 72 hours, the rectangular shape geocell piece is formed after demoulding after the rectangular shape cement blanket is solidified and formed, the geocell pieces are spliced in pairwise symmetry after being formed, and the joint of the adjacent geocell pieces is fixed by a clamping groove to form the regular hexagon geocell.
The cement blanket is made of a three-dimensional fiber composite material woven by polyethylene and polypropylene filaments, and the three-dimensional fiber composite material contains a dry-mixed concrete mixture.
The invention has the beneficial effects that:
1. two bisymmetry concatenations of rectangular shape geotechnological check room piece, adjacent geotechnological check room piece junction is fixed through C shape draw-in groove, and geotechnological check room is the even regular hexagon of a plurality of arrangements after the combination, and regular hexagon's structure is the most stable, and regular hexagon geotechnological check room has very high compressive strength, can resist the construction well and roll the resistance to deformation ability of in-process.
2. The C-shaped clamping groove with the sawtooth-shaped barbs plays a role in dual connection and fixation, tensile strength, compression strength and bending strength between the geocell sheets can be well enhanced, the contact area between the side wall of the clamping groove and the geocell sheets is 2/3 of the area of the geocell sheets, the contact surface between the C-shaped clamping groove and the geocell sheets is large enough, the stability of the joint can be further improved, and the construction rolling is facilitated.
3. C shape draw-in groove bottom is equipped with the barb, and behind the junction of two adjacent geotechnological check room pieces was gone into to C shape draw-in groove card, the barb embedding geotechnological check room piece plays fixed and the effect of preventing taking out from, and C shaped steel groove inner wall is carved with latticed decorative pattern, increases the frictional force between C shaped steel groove and the geotechnological check room, makes draw-in groove inner wall and geotechnological check room in close contact with more.
4. The cement blanket used for preparing the geocell sheet is a three-dimensional fiber composite material woven by polyethylene and polypropylene filaments, the three-dimensional fiber composite material contains dry-mixed concrete, when the cement blanket is prepared, only water is poured to cause hydration reaction, the cement blanket can have stronger rigidity after being solidified and formed, and the fibers play a role in enhancing the rigidity. The material is a low-carbon material, and has limited alkali content, low scouring rate and little ecological influence.
5. The geocell construction process is convenient, low-carbon, environment-friendly and high in stability, is particularly suitable for areas with poor soil quality, and is more suitable for reinforcing base courses and subbase courses under circulating dynamic loads. The fillers of the geocell also have diversity, such as sand filling, sludge filling, engineering waste residues and the like.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic view of a geocell of the present invention;
FIG. 2 is a schematic view of the structure of a joint in one of the geocells of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a joint in one of the geocells of FIG. 2;
fig. 4 is a schematic view showing a structure of a mold in the manufacturing method of a geocell of fig. 2 according to the present invention.
Detailed Description
The drawings show the technical scheme and the embodiment of the invention, and the details and the working principle of the embodiment are further described in the following with the drawings.
Referring to fig. 1, 2 and 3, the present invention provides a geocell, including a plurality of geocell sheets 1 and a plurality of clamping grooves 2, the geocell sheets 1 are symmetrically arranged two by two in a horizontal opposite mode, the joints of the adjacent geocell sheets are fixedly connected by the clamping grooves 2, the assembled geocell is a plurality of uniformly arranged regular hexagons, the structure of the regular hexagons is the most stable, the regular hexagonal geocell has high compressive strength, can well resist the deformation resistance in the construction and rolling process, the clamping groove 2 is a C-shaped clamping groove, the clamping groove is made of stainless steel, the thickness of the stainless steel is 2.5-5mm, the bottom of the clamping groove is provided with a barb 3, the barb 3 at the bottom of the clamping groove is in a zigzag shape, the thickness of the bottom of the barb 3 is 1-2mm, the included angle between the barb 3 and the side wall of the clamping groove 2 is 10 degrees, and the ratio of the height of the sharp teeth of the sawtooth barb 3 to the height of the side wall of the clamping groove is 1: 10, check room piece is hugged closely to the draw-in groove lateral wall, and in 3 embedding geotechnological check room pieces of barb, barb 3 can increase drawing between check room piece 1 effectively from intensity, play fixed and prevent drawing from the effect, the lateral wall inboard of draw-in groove 2 is equipped with the decorative pattern, the inboard decorative pattern of draw-in groove lateral wall is latticed decorative pattern, and the frictional force between latticed decorative pattern increase C shape draw-in groove 2 and the geotechnological check room makes draw-in groove inner wall and the more in close contact with of geotechnological check room, and the area of contact of draw-in groove 2 lateral wall and check room piece 1 is 2/3 of check room piece area, and C type draw-in groove 2 is enough big with the contact surface of check room piece, can further improve the stability of junction to be convenient for the construction rolls.
Referring to fig. 1, 2, 3 and 4, a method for manufacturing geocell includes selecting a strip-shaped cement blanket with a thickness of 10mm, weaving the cement blanket into a three-dimensional fiber composite material by polyethylene and polypropylene filaments, mixing the three-dimensional fiber composite material with dry-mixed concreted soil, selecting two molds 4 with a folding angle of 120 degrees, coating lubricant on the inner sides of the molds 4, cutting the cement blanket with a specified length and height, placing the cement blanket in the mold, extruding and molding by external force, soaking and pouring water thoroughly, controlling water amount to be 9kg per square, cutting without water column punching, covering plastic film for curing, demolding and curing after 24 hours, wherein the watering and curing time during curing is not less than 72 hours, forming the strip-shaped geocell sheets after demolding of the strip-shaped cement blanket, and symmetrically splicing the two formed geocell sheets, during on-site splicing, the clamping grooves are embedded in the joints of the adjacent geocell pieces by using the rubber hammers, and the joints of the adjacent geocell pieces are fixed by the clamping grooves to form the regular-hexagon geocell.
Claims (1)
1. A preparation method of a geocell is characterized by comprising the following steps: the geocell comprises a plurality of geocell sheets and a plurality of clamping grooves, the geocell sheets are symmetrically arranged in a pairwise opposite horizontal mode, the joints of the adjacent geocell sheets are fixedly connected through the clamping grooves, the geocell after combination is a plurality of uniformly arranged regular hexagons, the clamping grooves are C-shaped clamping grooves, and barbs are arranged at the bottoms of the clamping grooves; the barb at the bottom of the clamping groove is in a sawtooth shape, and the included angle between the barb and the side wall of the clamping groove is 10 degrees; patterns are arranged on the inner side of the side wall of the clamping groove, and the contact area between the side wall of the clamping groove and the cell sheet is 2/3 of the area of the cell sheet; the patterns on the inner side of the side wall of the clamping groove are latticed patterns; the ratio of the height of the sharp teeth of the sawtooth-shaped barbs to the height of the side wall of the clamping groove is 1: 10; the clamping groove is made of stainless steel; selecting a long-strip-shaped cement blanket for the geocell pieces, selecting two molds with the folding angles of 120 degrees, fully coating a lubricant on the inner sides of the molds, placing the cement blanket in the molds, performing extrusion forming through external force, watering, wetting, thoroughly pouring, covering a plastic film for curing, demolding and curing after 24 hours, wherein the watering and curing time in the curing period is not less than 72 hours, forming long-strip-shaped geocell pieces after the long-strip-shaped cement blanket is solidified and molded and demolding, symmetrically splicing every two formed geocell pieces, and fixing the joints of the adjacent geocell pieces through clamping grooves to form regular-hexagon geocell; the cement blanket is made of a three-dimensional fiber composite material woven by polyethylene and polypropylene filaments, and the three-dimensional fiber composite material contains a dry-mixed concrete mixture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910209088.0A CN109853513B (en) | 2019-03-19 | 2019-03-19 | Geocell and preparation method thereof |
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| CN201910209088.0A CN109853513B (en) | 2019-03-19 | 2019-03-19 | Geocell and preparation method thereof |
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| CN109853513A CN109853513A (en) | 2019-06-07 |
| CN109853513B true CN109853513B (en) | 2021-07-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110805020A (en) * | 2019-11-14 | 2020-02-18 | 安徽捷思新材料科技有限公司 | I-cell production process of rope-penetrating soil with strip holes |
| CN112323760B (en) * | 2020-11-17 | 2022-09-13 | 深圳中轩生态环境科技有限公司 | Three-dimensional honeycomb geocell with lateral high water permeability |
| CN114164815B (en) * | 2021-11-23 | 2023-03-31 | 沈阳建筑大学 | Geocell with wing type nested structure and processing and mounting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101276997B1 (en) * | 2011-07-19 | 2013-06-24 | 김병구 | Earth Anchor |
| CN103590388A (en) * | 2013-11-02 | 2014-02-19 | 何晓婷 | Unequal-thickness plastic tensile sheet and earthwork standard room thereof |
| CN104389303A (en) * | 2014-11-08 | 2015-03-04 | 何晓婷 | Special joining earthwork standard room |
| CN206289612U (en) * | 2016-12-27 | 2017-06-30 | 山东路德新材料股份有限公司 | A kind of GSZ connection fastener |
| CN207032263U (en) * | 2017-07-10 | 2018-02-23 | 天津市路德隆环保材料科技有限公司 | Ecological grass irrigation lattice |
| CN107816032A (en) * | 2017-11-15 | 2018-03-20 | 合肥华福土工合成材料有限公司 | A kind of building cell compartment of Breathable ponding-proof |
| CN107975025A (en) * | 2017-11-30 | 2018-05-01 | 上海宝冶集团有限公司 | TGXG soil layer fixing card and its construction method |
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