CN113718745A - Geogrid and do benefit to foundation laying structure that reduces soft base of waters and subside - Google Patents
Geogrid and do benefit to foundation laying structure that reduces soft base of waters and subside Download PDFInfo
- Publication number
- CN113718745A CN113718745A CN202111038313.2A CN202111038313A CN113718745A CN 113718745 A CN113718745 A CN 113718745A CN 202111038313 A CN202111038313 A CN 202111038313A CN 113718745 A CN113718745 A CN 113718745A
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- positioning
- grid
- geogrid
- ring body
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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
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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
Abstract
The invention discloses a geogrid and a foundation laying structure beneficial to reducing soft foundation settlement in a water area, wherein the geogrid comprises a bidirectional grid and a plurality of positioning pieces; the positioning piece comprises a ring body, wherein four positioning grooves are formed in the end face of one axial end of the ring body, and each positioning groove extends along the radial direction; the four positioning grooves are radially distributed by taking the geometric center of the ring body as a base point; the intersection point of any two transverse grid belts and the longitudinal grid belt of the bidirectional grid is O, the positioning piece is installed at the intersection point O, and two sections of transverse grid belts and two sections of longitudinal grid belts which are adjacent to each other at the intersection point O are embedded into the corresponding positioning grooves to be fixed. The geogrid provided by the invention has the advantages of light weight, small structure and flexible assembly and disassembly, the existing geogrid structure is not required to be changed, the positioning piece is directly arranged in a grid area needing to be reinforced, the applicability is strong, and the metal grid can be effectively prevented from deforming.
Description
Technical Field
The invention relates to the technical field of river regulation construction, in particular to a geogrid and a foundation laying structure beneficial to reducing soft foundation settlement in a water area.
Background
Geogrid (geogrid) is a major geosynthetic material that has unique properties and efficiencies compared to other geosynthetic materials. It is often used as a reinforcement for reinforced earth structures or as a reinforcement for composite materials.
The conventional geogrid is a metal net generally woven by steel bars and iron wires and used for bearing the settlement load of a soil body, restraining the lateral displacement of the soil body and overcoming the uneven settlement of the soil body so as to strengthen the bearing capacity of a foundation. However, the metal knitted grid net has easy deformation of meshes and is not easy to recover after deformation. If set up the strengthening rib of sound construction, then be unfavorable for rolling storage, transportation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a geogrid and a foundation laying structure which are beneficial to reducing the sedimentation of soft foundation in water area, and solves the problems.
The invention is realized by the following technical scheme:
a geogrid comprises a bidirectional grid and a plurality of positioning pieces; the positioning piece comprises a ring body, wherein four positioning grooves are formed in the end face of one axial end of the ring body, and each positioning groove extends along the radial direction; the four positioning grooves are radially distributed by taking the geometric center of the ring body as a base point; the intersection point of any two transverse grid belts and the longitudinal grid belt of the bidirectional grid is O, the positioning piece is installed at the intersection point O, and two sections of transverse grid belts and two sections of longitudinal grid belts which are adjacent to each other at the intersection point O are embedded into the corresponding positioning grooves to be fixed.
The invention adopts a plurality of positioning pieces to play roles in strengthening the stability of the geogrid and reducing the deformation of the grids. The structure is light and small, the dismouting is nimble, need not to change current geogrid structure, directly with this setting element install need strengthen the net regional can, the suitability is strong. When the positioning device is used, the positioning device is clamped at the intersection of the grids, namely, two adjacent sections of transverse grid belts and two adjacent sections of longitudinal grid belts at the intersection O are embedded into the corresponding positioning grooves in a transition fit manner to be fixed, so that the effect of limiting the closure of the two adjacent sections of transverse grid belts and the longitudinal grid belts is achieved, the two adjacent sections of transverse grid belts and the longitudinal grid belts are ensured to be opened according to the original angle, and four grid areas around the intersection O can be reinforced to a certain extent and have the deformation prevention effect.
Further preferably, the depth of the positioning groove is smaller than the axial length of the ring body along the axial direction of the ring body. The preferred design constant head tank does not run through the ring body axial promptly, does benefit to in the stable embedding constant head tank of grid area.
Further preferably, the ring body is a circular ring; and setting the length of the transverse grating zone section or the longitudinal grating zone section between two adjacent intersection points O to be L, wherein the radius of the circular ring is larger than 1/3L and smaller than L.
The larger the radius of the ring body, the better the effect of preventing the deformation of the mesh, and it is preferable to design the radius of the ring to be greater than 1/3L and equal to or less than 1/2L.
Further preferably, a groove and a flange are further arranged on the outer side wall of the ring body; the groove of any ring body is used for being matched with the flange on the ring body adjacent to one side in a matching mode, and the flange is used for being matched with the groove on the ring body adjacent to the other side in a matching mode.
In order to further strengthen the stability strengthening effect of the positioning piece on the grid and optimize the positioning piece structure, a groove and a flange are arranged on the ring body to limit the relative twisting motion between the adjacent positioning rings, and the flange and the groove are symmetrically distributed in one diameter direction of the positioning rings; if one of the positioning rings is fixed at the intersection of the grids, the flange of the adjacent positioning ring at the front side is embedded into the groove of the positioning ring for fixation, and the flange of the positioning ring is embedded into the groove of the adjacent positioning ring at the rear side for fixation, for example, a row (or a line) of adjacent positioning rings are sequentially connected and meshed for arrangement, thereby being beneficial to further enhancing the effect of preventing the grids from deforming.
Further preferably, the width of the port of the positioning groove is smaller than the width of the bottom in the positioning groove.
The preferred design constant head tank is the type of falling T structure promptly, and the grid area can remove wide mouthful department of bottom in the back through constant head tank port embedding constant head tank, plays certain limiting displacement to the grid area, prevents that the grid area slippage.
Further preferably, the device also comprises a positioning rod; the positioning rod continuously penetrates through the through holes in the adjacent ring bodies to realize the positioning of the adjacent ring bodies.
In order to further strengthen the stability strengthening effect of the locating piece on the grids, the locating piece is also provided with a locating rod, the locating rods are utilized to sequentially penetrate the locating rings which are positioned on a straight line (such as a row or a line) so as to limit the relative twisting motion between the adjacent locating rings, the grid deformation preventing effect is further strengthened,
preferably, the positioning rod is provided with a plurality of clamping grooves which are uniformly distributed along the axial direction of the positioning rod; the nodical O department of two-way grid is equipped with bellied tubercle, the tubercle embedding draw-in groove internal fixation.
A plurality of clamping grooves are formed in the positioning rod, so that the clamping grooves are matched with nodules at the intersection of the two-way grating, and the positioning ring, the positioning rod and the grids are stably connected.
A foundation laying structure beneficial to reducing soft foundation settlement in a water area comprises a geogrid layer and a filling layer; the geogrid adopts the geogrid.
Preferably, the filling layer is slag with the particle size of less than 10 cm.
The invention has the following advantages and beneficial effects:
the invention adopts a plurality of positioning pieces to play roles in strengthening the stability of the geogrid and reducing the deformation of the grids. The structure is light and small, the dismouting is nimble, need not to change current geogrid structure, directly with this setting element install need strengthen the net regional can, the suitability is strong. When the positioning device is used, the positioning device is clamped at the intersection of the grids, namely, two adjacent sections of transverse grid belts and two adjacent sections of longitudinal grid belts at the intersection O are embedded into the corresponding positioning grooves in a transition fit manner to be fixed, so that the effect of limiting the closure of the two adjacent sections of transverse grid belts and the longitudinal grid belts is achieved, the two adjacent sections of transverse grid belts and the longitudinal grid belts are ensured to be opened according to the original angle, and four grid areas around the intersection O can be reinforced to a certain extent and have the deformation prevention effect.
The method is beneficial to reducing the sedimentation of soft foundations of silt in the river channel, and if a soft foundation composite type grid slag falling working layer is adopted, the sedimentation coefficient of the slag falling layer is favorably reduced, the bearing effect of the soft foundations is improved, and the filling amount of the slag falling is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic top view of the geogrid of the present invention;
FIG. 2 is a schematic perspective view of a positioning member of the present invention, which has a groove and a flange;
FIG. 3 is a schematic view of a top view of the geogrid of the present invention, wherein adjacent positioning members are adapted and clamped by a groove and a flange;
FIG. 4 is a schematic perspective view of a positioning member of the present invention, which is provided with a through hole;
FIG. 5 is a schematic top view of the geogrid of the present invention, wherein adjacent positioning members are connected by positioning rods;
FIG. 6 is a schematic view of a positioning rod of the present invention; wherein, the drawing (a) shows the positioning rod provided with a circular clamping groove, and the drawing (b) shows the positioning rod provided with a strip-shaped clamping groove.
Reference numbers and corresponding part names in the drawings: 1-bidirectional grating, 2-positioning piece; 21-ring body, 22-positioning groove, 23-groove, 24-flange, 25-positioning rod, 26-through hole and 27-clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
This embodiment provides a geogrid, including two-way grid 1 and a plurality of setting element 2, two-way grid 1 adopts conventional metal grid, and the rhombus grid is used as the example in this embodiment, sets up a plurality of setting elements 2 mainly used and plays to strengthen stabilizing effect to two-way grid 1, does benefit to and reduces two-way grid net deformation, during the construction, to the regional installation setting element 2 of net that needs strengthen can, as shown in fig. 1.
As shown in fig. 2 and 4, the main structure of the positioning member 2 is a ring body 21, and the ring body 21 adopts a circular structure. Four positioning grooves 22 are formed in the end face of one axial end of the ring body 21, and each positioning groove 22 extends along the radial direction. The four positioning grooves 22 are radially distributed by taking the geometric center of the ring body 21 as a base point; namely, the extending direction of the positioning groove 22 is matched with the carrying direction of the corresponding transverse and longitudinal grids in the same direction.
The intersection point of any two transverse grid belts and the longitudinal grid belt of the bidirectional grid 1 is O, the positioning piece 2 is arranged at the intersection point O, and two adjacent transverse grid belts and two adjacent longitudinal grid belts at the intersection point O are embedded into the corresponding positioning grooves 22 in a transition fit manner to be fixed. The depth of the positioning groove 22 is less than the axial length of the ring body 21 in the axial direction of the ring body 21.
Preferably, the length of the transverse grating zone segment or the longitudinal grating zone segment between two adjacent intersection points O is set to L, and the radius of the circular ring is greater than 1/3L and less than L.
This embodiment design adopts a plurality of setting elements to play the effect of strengthening geogrid stability, reducing the net and warping. The structure is light and small, the dismouting is nimble, need not to change current geogrid structure, directly with this setting element install need strengthen the net regional can, the suitability is strong. When the positioning device is used, the positioning device is clamped at the intersection of the grids, namely, two adjacent sections of transverse grid belts and two adjacent sections of longitudinal grid belts at the intersection O are embedded into the corresponding positioning grooves in a transition fit manner to be fixed, so that the effect of limiting the closure of the two adjacent sections of transverse grid belts and the longitudinal grid belts is achieved, the two adjacent sections of transverse grid belts and the longitudinal grid belts are ensured to be opened according to the original angle, and four grid areas around the intersection O can be reinforced to a certain extent and have the deformation prevention effect.
Example 2
In addition to the improvement of embodiment 1, as shown in fig. 2, a groove 23 and a flange 24 are further provided on the outer side wall of the ring body 21; the groove 23 of any ring 21 is adapted to fit with the flange 24 of the adjacent ring 21 on one side, and the flange 24 is adapted to fit with the groove 23 of the adjacent ring 21 on the other side.
In order to further strengthen the stability strengthening effect of the positioning piece on the grid and optimize the positioning piece structure, a groove and a flange are arranged on the ring body to limit the relative twisting motion between the adjacent positioning rings, and the flange and the groove are symmetrically distributed in one diameter direction of the positioning rings; if one of the positioning rings is fixed at the intersection of the grids, the flange of the front adjacent positioning ring is embedded into the groove of the positioning ring for fixation, and the flange of the positioning ring is embedded into the groove of the rear adjacent positioning ring for fixation, as shown in fig. 3, a row (or a line) of adjacent positioning rings are sequentially connected and meshed for arrangement, which is favorable for further enhancing the effect of preventing the grids from deforming. The width of the end opening of the positioning groove 22 is less than the width of the bottom in the positioning groove 22.
Example 3
The device is further improved on the basis of the embodiment 1, and further comprises a positioning rod 25; the side wall of the ring body 21 is provided with a through hole 26 which penetrates along the radial direction, and the positioning rod 25 continuously penetrates through the through holes 26 on the adjacent ring bodies 21, as shown in fig. 4, so that the positioning of the adjacent ring bodies 21 is realized.
In order to further enhance the stability of the positioning element on the grid, a positioning rod is further provided, and positioning rings located on a straight line (e.g. a row or a line) are sequentially penetrated by the positioning rod to limit the relative twisting motion between adjacent positioning rings, which is beneficial to further enhance the effect of preventing the grid from deforming, as shown in fig. 5.
As shown in fig. 6, a plurality of slots 27 are formed on the positioning rod 25, and the slots 27 are uniformly distributed along the axial direction of the positioning rod 25; the nodical O department of two-way grid 1 is equipped with bellied tubercle, and the tubercle embedding draw-in groove 27 internal fixation. A plurality of clamping grooves are formed in the positioning rod, so that the clamping grooves are matched with nodules at the intersection of the two-way grating, and the positioning ring, the positioning rod and the grids are stably connected.
Example 4
The embodiment provides a foundation laying structure beneficial to reducing sedimentation of soft foundation in a water area, which comprises a geogrid layer and a filling layer; the geogrid is the geogrid provided in example 2. The filling layer adopts the slag with the particle size smaller than 10cm, and if the geogrid is laid in the soft foundation area firstly and then the slag layer with the thickness of 100cm is laid, the sedimentation coefficient of the slag layer can be effectively reduced.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A geogrid comprises a bidirectional grid (1) and is characterized by further comprising a plurality of positioning pieces (2);
the positioning piece (2) comprises a ring body (21), four positioning grooves (22) are formed in the end face of one axial end of the ring body (21), and each positioning groove (22) extends along the radial direction; the four positioning grooves (22) are radially distributed by taking the geometric center of the ring body (21) as a base point;
the intersection point of any two transverse grid belts and the longitudinal grid belt of the bidirectional grid (1) is O, the positioning piece (2) is arranged at the intersection point O, and the two adjacent transverse grid belts and the two adjacent longitudinal grid belts at the intersection point O are embedded into the corresponding positioning grooves (22) to be fixed.
2. Geogrid according to claim 1, characterized in that the depth of the positioning slots (22) in the axial direction of the ring body (21) is less than the axial length of the ring body (21).
3. Geogrid according to claim 1, characterized in that said ring body (21) is a circular ring; and setting the length of the transverse grating zone section or the longitudinal grating zone section between two adjacent intersection points O to be L, wherein the radius of the circular ring is larger than 1/3L and smaller than L.
4. Geogrid according to claim 1, characterized in that the outer side wall of the ring (21) is further provided with grooves (23) and flanges (24); the groove (23) of any ring body (21) is used for being matched with the flange (24) on the adjacent ring body (21) on one side, and the flange (24) is used for being matched with the groove (23) on the adjacent ring body (21) on the other side.
5. Geogrid according to claim 4, characterized in that the width at the end openings of the positioning slots (22) is smaller than the width of the bottom inside the positioning slots (22).
6. Geogrid according to claim 1, characterized in that it further comprises positioning rods (25); through holes (26) which penetrate through the ring bodies (21) along the radial direction are formed in the side walls of the ring bodies (21), and the positioning rods (25) continuously penetrate through the through holes (26) in the adjacent ring bodies (21) to realize the positioning of the adjacent ring bodies (21).
7. The geogrid as claimed in claim 1, wherein a plurality of clamping grooves (27) are formed in the positioning rod (25), and the clamping grooves (27) are evenly distributed along the axial direction of the positioning rod (25); the nodical O department of two-way grid (1) is equipped with bellied tubercle, the tubercle embedding draw-in groove (27) internal fixation.
8. A foundation laying structure beneficial to reducing soft foundation settlement in a water area is characterized by comprising a geogrid layer and a filling layer; the geogrid uses the geogrid according to any one of claims 1 to 7.
9. The structure of claim 8, wherein said filling layer is made of slag with a particle size of less than 10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038313.2A CN113718745A (en) | 2021-09-06 | 2021-09-06 | Geogrid and do benefit to foundation laying structure that reduces soft base of waters and subside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038313.2A CN113718745A (en) | 2021-09-06 | 2021-09-06 | Geogrid and do benefit to foundation laying structure that reduces soft base of waters and subside |
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| Publication Number | Publication Date |
|---|---|
| CN113718745A true CN113718745A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111038313.2A Pending CN113718745A (en) | 2021-09-06 | 2021-09-06 | Geogrid and do benefit to foundation laying structure that reduces soft base of waters and subside |
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| CN (1) | CN113718745A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006249798A (en) * | 2005-03-11 | 2006-09-21 | Nakao Giken Kogyo Kk | Grating-latticed panel |
| CN206784091U (en) * | 2017-03-08 | 2017-12-22 | 大连吉尔林克土工合成材料有限公司 | A kind of GSZ of composite construction |
| CN109853311A (en) * | 2018-12-18 | 2019-06-07 | 中铁十五局集团第一工程有限公司 | A kind of marine plain area Construction of Soft Soil Subgrade technique and road structure |
| CN113250149A (en) * | 2021-05-31 | 2021-08-13 | 山东水总有限公司 | Grid type concrete panel rock-fill dam |
| CN214062177U (en) * | 2020-12-14 | 2021-08-27 | 上海云兰建筑装饰工程有限公司 | Wall anti-cracking structure convenient to construct |
-
2021
- 2021-09-06 CN CN202111038313.2A patent/CN113718745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006249798A (en) * | 2005-03-11 | 2006-09-21 | Nakao Giken Kogyo Kk | Grating-latticed panel |
| CN206784091U (en) * | 2017-03-08 | 2017-12-22 | 大连吉尔林克土工合成材料有限公司 | A kind of GSZ of composite construction |
| CN109853311A (en) * | 2018-12-18 | 2019-06-07 | 中铁十五局集团第一工程有限公司 | A kind of marine plain area Construction of Soft Soil Subgrade technique and road structure |
| CN214062177U (en) * | 2020-12-14 | 2021-08-27 | 上海云兰建筑装饰工程有限公司 | Wall anti-cracking structure convenient to construct |
| CN113250149A (en) * | 2021-05-31 | 2021-08-13 | 山东水总有限公司 | Grid type concrete panel rock-fill dam |
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Application publication date: 20211130 |
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