CN203654232U - Enclosure closure gap protection structure applicable to deep beaches - Google Patents
Enclosure closure gap protection structure applicable to deep beaches Download PDFInfo
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- CN203654232U CN203654232U CN201320822964.5U CN201320822964U CN203654232U CN 203654232 U CN203654232 U CN 203654232U CN 201320822964 U CN201320822964 U CN 201320822964U CN 203654232 U CN203654232 U CN 203654232U
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Abstract
The utility model provides an enclosure closure gap protection structure applicable to deep beaches. The enclosure closure gap protection structure is formed by stacking three layers. The bottom layer is the full filling sand bag layer. The middle layer is the full coping sand bag layer. The surface layer is the sand soft nappe layer. According to the enclosure closure gap structure, the mouth floor and an entrance of a closure gap are constructed by filling bagged sand, and geofabric with high anti-scouring performance, high anti-corrosion performance and good sand maintaining performance is applied to water current scouring portions. On the basis of the protection measures, the sand soft nappe layer is used for protecting portions such as the mouth floor where water current scouring is violent. Through the enclosure closure gap protection structure, the anti-scouring protection capacity of the closure gap is improved, sand bags can be prevented from being damaged, and the filled sandy soil can be prevented from running away at a high flow rate, so the safety of the closure gap in a common enclosure project is guaranteed, relative good operating conditions are provided for closure of the closure gaps. The whole enclosure closure gap protection structure is high in water current anti-scouring performance, convenient to construct, less in investment, safe and reliable.
Description
Technical field
The utility model relates to water conservancy construction building and construction method thereof, relates in particular to that a kind of scour resistance is strong, construction is convenient, invest the less Longkou protection structure that is applicable to dark beach corral.
Background technology
In recent years, along with the sustained and rapid development of urban construction, land resources shortage problem is day by day serious, and shore reclamation utilization becomes the important channel of opening up new land resources.This is wherein more with area, tidal estuary and coastal area corral engineering again, and Longkou protection and closure are important steps of corral engineering, and Longkou protected mode is the important content that scientific research and design unit carries out related work.
Corral engineering was taking middle high beach as main in the past; Longkou protected mode generally sets one deck geotextiles or first sets one deck filling bag sand loading pipe bag at beach at beach; and then laying one deck geotextiles; geotextiles top is abound with piece stone and fixes; Longkou two incline bodies are also taked same protected mode at head, and while closure in Longkou, manual demolition jackstone is implemented closure again.Not only effect is low, expense is high but also construction operation risk is relatively large for this Longkou protected mode, and along with corral engineering is progressively to the development of dark beach, it is also increasing that above-mentioned Longkou protected mode is implemented difficulty.
Utility model content
Technical problem to be solved in the utility model is exactly for above shortcomings in prior art, provides a kind of Longkou protection structure that is applicable to dark beach corral, for solving the problems of the prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of Longkou protection structure that is applicable to dark beach corral, it is characterized in that; formed by three level stack; bottom is elongated sand filling bag layer, and intermediate layer is the elongated sand pocket layer that bears down on one, and top layer is sand rib soft raft layer.
Further, when beach is chiltern, between the elongated sand filling bag layer of bottom and beach face, be equipped with one deck sand rib soft raft layer.
Further, described elongated sand filling bag layer adopts the braided geotextile sand pocket that grammes per square metre is 175g/m2.
Further, the sand pocket of described elongated sand filling bag layer is that radially tensile strength is not less than the braided geotextile sand pocket of 33kN/m.
Further, it is to be not less than the composite earthwork cloth bag that the woven cloth bag of anti-aging of 230g/m2 or grammes per square metre are greater than 380g/m2 that the elongated sand pocket layer of bearing down on one described in adopts grammes per square metre.
Further, the sand pocket of elongated sand pocket layer of bearing down on one described in is that radially tensile strength is greater than the woven cloth bag of anti-aging or the composite earthwork cloth bag of 60kN/m.
Further, dike head in Longkou is provided with gentle slope.
By above technical scheme, the utility model has following technique effect compared to prior art:
The utility model adopts filling bag sand loading to construct Longkou Di Kan and Kou Men; to being subject to position employing antiscour, the anti-erosion performance of current scour high, protecting the geotextile that grittiness can be good; soft raft protection is implemented in the violent positions of current scour such as end bank on above-mentioned protection basis again; improve self erosion protection by above Longkou protection structure; prevent that sand pocket from destroying; protection filling sand does not run off under high flow rate; not only ensure the Longkou safety of conventional corral engineering, and provide operating condition relatively preferably for Longkou joins the two sections of a bridge, etc.Whole corral Longkou protection structure water resistant stream performance of flushing is high, and construction is convenient, invests less, safe and reliable.
Brief description of the drawings
Fig. 1 is the layout plan of the utility model Longkou protection period;
Fig. 2 is the profile along A-A line in Fig. 1;
Fig. 3 is the profile along B-B line in Fig. 1;
Element numbers explanation:
1 elongated sand filling bag layer
The 2 elongated sand pocket layers that bear down on one
3 sand rib soft raft layers
4 dike heads
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this manual.
Refer to Fig. 1 to Fig. 3.Notice, appended graphic the illustrated structure of this manual, ratio, size etc., all contents in order to coordinate manual to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this manual, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
Consult shown in Fig. 1 and Fig. 2; be shown as the utility model Longkou layout plan and the profile of closure phase; below in conjunction with accompanying drawing, the detailed description of the invention of Longkou protection is described; taking-1.00m height of beach corral engineering as example; the Longkou Di Kan elevation of setting is 1.00m, and closure rib height journey is 5.0m.
Before the section water outlet of the non-Longkou of corral engineering, when position, Longkou flow velocity is less, implement Longkou river bottom protection protection, first at the elongated sand filling bag layer 1 of beach face injection, it is 175g/m that bagging adopts grammes per square metre
2left and right, radially tensile strength is not less than the braided geotextile of 33kN/m.In the time that beach is chiltern, should on beach face, first spread one deck sand rib soft raft layer 3 to protect beach.
After reaching default elevation, re-lay the elongated sand pocket layer 2 of a laminate top, bagging should adopt grammes per square metre to be not less than 230g/m
2anti-aging woven fabric or grammes per square metre be greater than 380g/m
2composite earthwork cloth, the radially tensile strength of bagging is greater than 60kN/m, the height of bagging intensity specifically should according to the combined factors such as position, Longkou current and wave determine.
Simultaneously impaired for fear of bear down on one elongated sand pocket layer 2 back-up sand loss or bagging, on elongated bag layer 2, re-lay one deck sand rib soft raft layer 3 and protect bearing down on one, and imperial mouth inner and outer side should leave the remaining row of certain length.
Consult shown in Fig. 3; after Longkou forms; dike head 4 positions, Longkou be subject to current and wave action larger; should strengthen dike head 4 protects; dike head design gentle slope; the same structure that adopts elongated sand filling bag layer 1, the elongated sand pocket layer 2 that bears down on one, sand rib soft raft layer 3 three-layered node to close is protected, and bagging intensity is chosen according to wave and streamflow regime, and bagging grammes per square metre and intensity index should not be lower than the Longkou Di Kan bag bagging intensity of bearing down on one.
When Longkou river enclosure; within the scope of Longkou, elongated can employing put down stifled or vertical stifled or flat blocking up and the vertical stifled method combining; the Longkou closure phase is while founding stifled mode as adopted; on the basis of Longkou protection period; first advance outer rib body; in progradation, dike head sand filling bag protection adopts the bagging (bagging that performance indications should not adopt lower than the Longkou protection period) of proper strength equally according to water wave situation, and rib body and dike core sand in synchronous follow-up in outer rib body progradation, until realize Longkou closure.
In sum; the utility model adopts filling bag sand loading to construct Longkou Di Kan and Kou Men; to being subject to position employing antiscour, the anti-erosion performance of current scour high, protecting the geotextile that grittiness can be good; soft raft protection is implemented in the violent positions of current scour such as end bank on above-mentioned protection basis again; improve self erosion protection by above Longkou protection structure; prevent that sand pocket from destroying, protection filling sand does not run off under high flow rate.Not only ensure the Longkou safety of conventional corral engineering, and provide operating condition relatively preferably for Longkou joins the two sections of a bridge, etc.Whole corral Longkou protection structure water resistant stream performance of flushing is high, and construction is convenient, invests less, safe and reliable.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (7)
1. a Longkou protection structure that is applicable to dark beach corral, is characterized in that, formed by three level stack, bottom is elongated sand filling bag layer (1), and intermediate layer is the elongated sand pocket layer (2) that bears down on one, and top layer is sand rib soft raft layer (3).
2. the Longkou protection structure that is applicable to dark beach corral according to claim 1, is characterized in that, when beach is chiltern, is equipped with one deck sand rib soft raft layer between the elongated sand filling bag layer (1) of bottom and beach face.
3. the Longkou protection structure that is applicable to dark beach corral according to claim 1, is characterized in that, it is 175g/m that described elongated sand filling bag layer (1) adopts grammes per square metre
2braided geotextile sand pocket.
4. the Longkou protection structure that is applicable to dark beach corral according to claim 3, is characterized in that, the sand pocket of described elongated sand filling bag layer (1) is that radially tensile strength is not less than the braided geotextile sand pocket of 33kN/m.
5. the Longkou protection structure that is applicable to dark beach corral according to claim 1, is characterized in that, described in the elongated sand pocket layer (2) that bears down on one adopt grammes per square metre for being not less than 230g/m
2the woven cloth bag of anti-aging or grammes per square metre be greater than 380g/m
2composite earthwork cloth bag.
6. the Longkou protection structure that is applicable to dark beach corral according to claim 5, is characterized in that, described in the bear down on one sand pocket of elongated sand pocket layer (2) be that radially tensile strength is greater than the woven cloth bag of anti-aging or the composite earthwork cloth bag of 60kN/m.
7. the Longkou protection structure that is applicable to dark beach corral according to claim 1, is characterized in that, Longkou dike head (4) is provided with gentle slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822964.5U CN203654232U (en) | 2013-12-13 | 2013-12-13 | Enclosure closure gap protection structure applicable to deep beaches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822964.5U CN203654232U (en) | 2013-12-13 | 2013-12-13 | Enclosure closure gap protection structure applicable to deep beaches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654232U true CN203654232U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320822964.5U Withdrawn - After Issue CN203654232U (en) | 2013-12-13 | 2013-12-13 | Enclosure closure gap protection structure applicable to deep beaches |
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| CN (1) | CN203654232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711952A (en) * | 2013-12-13 | 2015-06-17 | 上海勘测设计研究院 | Closure gap protection structure applied to deep beach enclosure and closure method for closure gap protection structure |
-
2013
- 2013-12-13 CN CN201320822964.5U patent/CN203654232U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711952A (en) * | 2013-12-13 | 2015-06-17 | 上海勘测设计研究院 | Closure gap protection structure applied to deep beach enclosure and closure method for closure gap protection structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20220418 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20220418 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |