CN107964918B - Structure of reverse filtering layer for soft mattress - Google Patents
Structure of reverse filtering layer for soft mattress Download PDFInfo
- Publication number
- CN107964918B CN107964918B CN201711153438.3A CN201711153438A CN107964918B CN 107964918 B CN107964918 B CN 107964918B CN 201711153438 A CN201711153438 A CN 201711153438A CN 107964918 B CN107964918 B CN 107964918B
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- layer
- counterweight
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
Abstract
The invention relates to a soft drain inverted filter structure. The fabric comprises a wear-resistant cloth layer, an upper geotechnical cloth layer, a reinforcement layer, an upper woven cloth layer, a weight layer, a lower woven cloth layer and a lower geotechnical cloth layer from top to bottom in sequence; the reinforcement layer comprises a reinforcement plate made of engineering plastic, and water permeable holes and a plurality of reinforcement plate riveting holes are integrally formed in the reinforcement plate in an injection molding mode; the counterweight layer comprises a counterweight plate made of engineering plastic, a counterweight block groove and a through part are integrally injection molded on the counterweight plate, a counterweight block made of precast concrete is arranged in the counterweight block groove, and a plurality of counterweight plate rivet holes are integrally injection molded on the counterweight plate; the lower ends of the connecting rivets which are nailed downwards from the top penetrate through corresponding rib plate riveting holes to fixedly connect the wear-resistant cloth layer, the upper geotechnical cloth layer and the reinforced layer, and the upper ends of the connecting rivets which are nailed downwards penetrate through corresponding counterweight plate riveting holes and rib plate riveting holes to fixedly connect the upper woven cloth layer, the counterweight layer, the lower woven cloth layer, the lower geotechnical cloth layer and the reinforced layer.
Description
Technical Field
The invention belongs to the technical field of dredging construction, in particular to a soft drain inverted filter structure.
Background
In dredging construction, it is often necessary to lay soft blocks as bottom mats for later placement of stones, precast concrete blocks for protecting the river bed and the bank base. The soft mattress is generally of a multi-layer structure and generally comprises an arrangement positioned at a lower layer and concrete blocks positioned on the arrangement, and reinforcing belts are added in the design of some soft mattress to improve the overall structural strength of the soft mattress. The conventional soft drain inverted filter structure is unreasonable in layer structure design, so that the soft drain structure is limited in strength, is easy to damage in the paving and subsequent construction processes, and is difficult to repair after damage. In addition, the soft mattress is usually required to be provided with a counterweight for use, so that the soft mattress is prevented from being floated in a water body or being influenced by wind power to move and deform when exposed, the counterweight (such as a concrete block) of the existing soft mattress structure is generally bound on the surface by adopting a binding band, so that the soft mattress is uneven in performance, and under the action of external force, the counterweight is easy to fall off, so that the overall function of the soft mattress is influenced.
Disclosure of Invention
The invention provides a soft drain inverted filter structure which has the advantages of simple structure, convenient construction, high structural strength, smooth surface and difficult scattering and failure, and solves the technical problems in the prior art.
The invention adopts the technical proposal for solving the technical problems in the prior art that: the soft drain reverse filtering layer structure comprises a wear-resistant cloth layer, an upper geotechnical cloth layer, a reinforcement layer, an upper woven cloth layer, a weight layer, a lower woven cloth layer and a lower geotechnical cloth layer from top to bottom in sequence; the reinforcement layer comprises a reinforcement plate made of engineering plastic, water permeable holes are integrally formed in the reinforcement plate in an injection molding mode, and a plurality of reinforcement plate riveting holes are integrally formed in the reinforcement plate in an injection molding mode; the counterweight layer comprises a counterweight plate made of engineering plastic, a counterweight block groove and a through part are integrally injection molded on the counterweight plate, a counterweight block made of precast concrete is arranged in the counterweight block groove, a water permeable hole is integrally injection molded in the area of the through part, and a plurality of counterweight plate rivet holes are also integrally injection molded on the counterweight plate; the anti-abrasion cloth layer and the upper geotechnical cloth layer are fixedly connected with the reinforced layer through corresponding rib plate rivet holes, and the upper ends of the connecting rivets which are driven in from the lower direction penetrate corresponding weight plate rivet holes and rib plate rivet holes to fixedly connect the upper woven cloth layer, the weight layer, the lower woven cloth layer and the lower geotechnical cloth layer with the reinforced layer.
The invention has the advantages and positive effects that: compared with the existing soft drain inverted filter structure, the soft drain inverted filter structure provided by the invention has the advantages that the structural design of the soft drain inverted filter is optimized by arranging the wear-resistant cloth layer, the upper geotextile layer, the reinforcement layer, the upper woven cloth layer, the weight-balancing layer, the lower woven cloth layer and the lower geotextile layer. By arranging the wear-resistant cloth layer, the wear-resistant property of the soft drain anti-filtering layer is improved, and the service life of the soft drain anti-filtering layer is longer. By arranging the reinforcement layer inside, the integral structural strength is improved, and the reinforcement layer is matched with the connecting rivet to realize the serial connection and fixed connection of each layer of structure. Through setting up the balancing layer, dispose flat balancing weight in layer structure's inside to through offer the balancing weight groove on the plate body of balancing weight board and set up the balancing weight in the balancing weight inslot, make the surface of software row straight do not have the protrusion, avoided the balancing weight to scatter the problem of inefficacy. The whole soft raft reverse filter layer has clear structure level, is convenient to build, improves the construction efficiency and ensures the construction quality.
Preferably: the thickness of the balancing weight is 1.2cm to 2.0cm.
Preferably: the base material of the wear-resistant cloth layer is woven cloth, and wear-resistant warp fibers and wear-resistant weft fibers are implanted in the woven cloth.
Preferably: the connecting rivet is made of engineering plastic and comprises an outer end cap and a rivet body, and a contractible and expandable anti-drop flap is arranged at the end part of the rivet body.
Preferably: the thickness of the wear-resistant cloth layer is 0.7cm to 1.2cm, the thickness of the upper geotextile layer is 0.7cm to 1.2cm, the thickness of the reinforcement layer is 1.5cm to 2.4cm, the thickness of the upper woven cloth layer is 0.7cm to 1.2cm, the thickness of the counterweight layer is 2.5cm to 3.6cm, the thickness of the lower woven cloth layer is 0.7cm to 1.2cm, and the thickness of the lower geotextile layer is 0.7cm to 1.5cm.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the reinforcement layer of FIG. 1;
fig. 3 is a schematic structural view of the weight layer of fig. 1.
In the figure: 1. a wear-resistant cloth layer; 2. applying a geotechnical cloth layer; 3. a reinforcement layer; 3-1, rib plates; 3-2, riveting holes of the rib plates; 4. a woven cloth layer is arranged on the upper part; 5. a weight layer; 5-1, a weight plate; 5-2, balancing weight grooves; 5-3, riveting holes of the weight plates; 5-4, through part; 6. a lower woven cloth layer; 7. a lower geotechnical cloth layer; 8. balancing weight; 9. and (5) connecting rivets.
Detailed Description
For a further understanding of the invention, its features and advantages, the following examples are set forth in detail:
referring to fig. 1 to 3, the soft drain anti-filtration layer structure of the present invention sequentially includes, from top to bottom, a wear-resistant cloth layer 1, an upper geotextile layer 2, a reinforcement layer 3, an upper woven cloth layer 4, a counterweight layer 5, a lower woven cloth layer 6, and a lower geotextile layer 7.
In this embodiment, the base material of the wear-resistant cloth layer 1 is woven cloth, and wear-resistant warp fibers and wear-resistant weft fibers are implanted in the woven cloth, so that the overall wear-resistant effect is improved.
The reinforcement layer 3 comprises a rib plate 3-1 made of engineering plastic, water permeable holes are integrally formed in the rib plate 3-1 in an injection molding mode, and a plurality of rib plate riveting holes 3-2 are integrally formed in the rib plate 3-1 in an injection molding mode.
The weight layer 5 comprises a weight plate 5-1 made of engineering plastic, a weight plate 5-2 and a through part 5-4 are integrally injection molded on the weight plate 5-1, a weight block 8 made of precast concrete is arranged in the weight plate 5-2, a water permeable hole is integrally injection molded in the area of the through part 5-4, and a plurality of weight plate rivet holes 5-3 are integrally injection molded on the weight plate 5-1.
The novel fabric comprises a fabric layer 3, a reinforcing layer 3, a wear-resistant cloth layer 1, a lower geotechnical cloth layer 6 and a reinforcing layer 3, and is characterized by further comprising a plurality of connecting rivets 9 which are nailed from top to bottom and nailed from bottom to top, wherein the lower ends of the connecting rivets 9 which are nailed from top to bottom penetrate through corresponding gusset riveting holes 3-2 to fixedly connect the wear-resistant cloth layer 1 and the upper geotechnical cloth layer 3 with the reinforcing layer 3, and the upper ends of the connecting rivets 9 which are nailed from bottom to top penetrate through corresponding weight plate riveting holes 5-3 and gusset riveting holes 3-2 to fixedly connect the upper woven cloth layer 4, the weight layer 5, the lower woven cloth layer 6 and the lower geotechnical cloth layer 7 with the reinforcing layer 3.
In this embodiment, the thickness of the weight 8 is 1.2cm to 2.0cm.
In this embodiment, the connecting rivet 9 is made of engineering plastic, and comprises an outer end cap and a rivet body, and a retractable and expandable anti-drop flap is arranged at the end of the rivet body.
In this embodiment, the thickness of the wear-resistant cloth layer 1 is 0.7cm to 1.2cm, preferably 1.0cm; the thickness of the upper geotechnical layer 2 is 0.7cm to 1.2cm, preferably 1.0cm; the thickness of the reinforcement layer 3 is 1.5cm to 2.4cm, preferably 2.0cm; the thickness of the upper woven cloth layer 4 is 0.7cm to 1.2cm, preferably 1.0cm; the thickness of the weight layer 5 is 2.5cm to 3.6cm, preferably 3.5cm; the thickness of the lower woven cloth layer 6 is 0.7cm to 1.2cm, preferably 1.0cm; the thickness of the lower geotextile layer 7 is 0.7cm to 1.5cm, preferably 1.0cm.
Claims (1)
1. A soft drain inverted filter structure is characterized in that: the fabric comprises a wear-resistant cloth layer (1), an upper geotextile layer (2), a reinforcement layer (3), an upper woven cloth layer (4), a counterweight layer (5), a lower woven cloth layer (6) and a lower geotextile layer (7) from top to bottom in sequence; the reinforcement layer (3) comprises a rib plate (3-1) made of engineering plastic, water permeable holes are integrally formed in an injection molding mode on the rib plate (3-1), and a plurality of rib plate riveting holes (3-2) are integrally formed in the rib plate (3-1) in an injection molding mode; the counterweight layer (5) comprises a counterweight plate (5-1) made of engineering plastic, a counterweight block groove (5-2) and a through part (5-4) are integrally injection molded on the counterweight plate (5-1), a counterweight block (8) made of precast concrete is arranged in the counterweight block groove (5-2), a water permeable hole is integrally injection molded in the area of the through part (5-4), and a plurality of counterweight plate rivet holes (5-3) are integrally injection molded on the counterweight plate (5-1); the anti-abrasion fabric layer (1) and the upper geotechnical layer (2) are fixedly connected with the reinforced layer (3) through the corresponding gusset riveting holes (3-2) at the lower ends of the connecting rivets (9) which are nailed from the upper direction downwards and nailed from the lower direction, and the upper woven layer (4), the counterweight layer (5), the lower woven fabric layer (6) and the lower geotechnical layer (7) are fixedly connected with the reinforced layer (3) through the corresponding counterweight plate riveting holes (5-3) and the gusset riveting holes (3-2) at the upper ends of the connecting rivets (9) which are nailed from the lower direction;
the thickness of the balancing weight (8) is 1.2cm to 2.0cm;
the base material of the wear-resistant cloth layer (1) is woven cloth, and wear-resistant warp fibers and wear-resistant weft fibers are implanted in the woven cloth;
the connecting rivet (9) is made of engineering plastic material and comprises an outer end cap and a rivet body, and a contractible and expandable anti-drop valve is arranged at the end part of the rivet body;
the thickness of the wear-resistant cloth layer (1) is 0.7cm to 1.2cm, the thickness of the upper geotextile layer (2) is 0.7cm to 1.2cm, the thickness of the reinforcement layer (3) is 1.5cm to 2.4cm, the thickness of the upper woven cloth layer (4) is 0.7cm to 1.2cm, the thickness of the counterweight layer (5) is 2.5cm to 3.6cm, the thickness of the lower woven cloth layer (6) is 0.7cm to 1.2cm, and the thickness of the lower geotextile layer (7) is 0.7cm to 1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153438.3A CN107964918B (en) | 2017-11-20 | 2017-11-20 | Structure of reverse filtering layer for soft mattress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153438.3A CN107964918B (en) | 2017-11-20 | 2017-11-20 | Structure of reverse filtering layer for soft mattress |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107964918A CN107964918A (en) | 2018-04-27 |
| CN107964918B true CN107964918B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711153438.3A Active CN107964918B (en) | 2017-11-20 | 2017-11-20 | Structure of reverse filtering layer for soft mattress |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729411A (en) * | 2018-08-14 | 2018-11-02 | 中交上海航道勘察设计研究院有限公司 | A kind of rubble pad river bottom protection soft raft and its construction method |
| CN111236141A (en) * | 2020-01-20 | 2020-06-05 | 中交第一航务工程勘察设计院有限公司 | Ballast reverse filtering body structure and laying method thereof |
| CN111535255A (en) * | 2020-05-11 | 2020-08-14 | 中国十七冶集团有限公司 | Ecological corridor with assembled water collecting and life-forming migration and drift functions |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698844Y (en) * | 2004-05-13 | 2005-05-11 | 长江航道规划设计研究院 | Soft raft tied with concrete block |
| CN204530787U (en) * | 2015-04-10 | 2015-08-05 | 孟强 | A kind of stitching reinforcement composite geo-membrane |
| CN205875083U (en) * | 2016-07-04 | 2017-01-11 | 中交广州航道局有限公司 | Sand rib software row |
| CN207484391U (en) * | 2017-11-20 | 2018-06-12 | 中交天航滨海环保浚航工程有限公司 | A kind of soft raft loaded filter structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8651770B2 (en) * | 2009-08-18 | 2014-02-18 | Tensar Corporation, Llc | Erosion control ballast and soil confinement mat |
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2017
- 2017-11-20 CN CN201711153438.3A patent/CN107964918B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698844Y (en) * | 2004-05-13 | 2005-05-11 | 长江航道规划设计研究院 | Soft raft tied with concrete block |
| CN204530787U (en) * | 2015-04-10 | 2015-08-05 | 孟强 | A kind of stitching reinforcement composite geo-membrane |
| CN205875083U (en) * | 2016-07-04 | 2017-01-11 | 中交广州航道局有限公司 | Sand rib software row |
| CN207484391U (en) * | 2017-11-20 | 2018-06-12 | 中交天航滨海环保浚航工程有限公司 | A kind of soft raft loaded filter structure |
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| CN107964918A (en) | 2018-04-27 |
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| CB02 | Change of applicant information |
Address after: Room 346, Chentang technology incubator, 17 Yujiang Road, Hexi District, Tianjin, 300221 Applicant after: CCCC (Tianjin) Dredging Engineering Co.,Ltd. Applicant after: CCCC TIANJIN DREDGING Co.,Ltd. Address before: Tianhang building, No.1, Zhongxin Road, Tanggu District, Binhai New Area, Tianjin 300450 Applicant before: CCCC-TDC BINHAI ENVIRONMENTAL CHANNEL DREDGING Co.,Ltd. Applicant before: CCCC TIANJIN DREDGING Co.,Ltd. |
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