CN101230565A - Flexible explosion-proof dike and construction method thereof - Google Patents
Flexible explosion-proof dike and construction method thereof Download PDFInfo
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- CN101230565A CN101230565A CNA2008100146402A CN200810014640A CN101230565A CN 101230565 A CN101230565 A CN 101230565A CN A2008100146402 A CNA2008100146402 A CN A2008100146402A CN 200810014640 A CN200810014640 A CN 200810014640A CN 101230565 A CN101230565 A CN 101230565A
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Abstract
The invention discloses an explosion proof dike, in particular to a flexible explosion proof dike and the construction method thereof. The flexible explosion proof dike comprises a base and an explosion proof dike body. The invention is characterized in that the explosion proof dike is formed by the alternating pressure of a geogrid layer and a stuffing layer. The geogrid layer adopts a unidirectional geogrid. A lower unidirectional geogrid is tightly connected with an upper unidirectional geogrid layer through a connecting rod. The two opposite unidirectional geogrids of the same layer are pulled in an opposite position and connected through the connecting rod. The wall surface of the explosion dike body is covered with a planting soil stuffing bag or a sod. The invention prolongs the action time of explosive materials impact the explosion dike, thereby solving the absorption problem of the impulse energy, which a traditional explosion proof dike can not solve; at the same time, a secondary damage does not happen in the explosion process. The invention has the advantages of high height, environmental protection, low cost, rapid construction speed, and good adaptive faculty to the base.
Description
(1) technical field
The present invention relates to a kind of explosion-proof dike, particularly a kind of flexible explosion-proof dike and job practices thereof.
(2) background technology
The explosion-proof dike object of construction production adopts stone-laying or concrete scheme all the time.This way can not play the impact energy problem that abundant absorption blast that explosion-proof dike should rise is produced.When blast produces because engineering is a rigid structures, destroyed after, can produce and break and splash formation secondary destruction.Inner use stone-laying or concrete construction in the post simultaneously not only can not afforest but also make target obvious, thereby destroys environment.Traditional method also is subjected to height restriction, and majority can only be done the explosion-proof dike about 5 meters; The steel concrete explosion-proof dike can accomplish more than ten meters, but involves great expense, long construction period, and target is obvious.
(3) summary of the invention
The present invention is in order to remedy the deficiencies in the prior art, but the greening and environmental protection of a kind of height height, flexible explosion-proof dike and job practices thereof that cost is low are provided.
The present invention is achieved through the following technical solutions:
A kind of flexible explosion-proof dike comprises ground and explosion-proof levee body, and its special character is: described explosion-proof levee body adopts geogrids layer and packing layer to replace pressing and forms.
Flexible explosion-proof dike of the present invention, it further improves and is: described geogrids layer adopts unidirectional geo-grid, and the unidirectional geo-grid employing of following one deck pitman is strained with last layer and is connected.Describedly adopt pitmans to carry out to drawing connection with two relative unidirectional geo-grid of one deck.The metope of described explosion-proof levee body is enclosed with planting soil filler bag or turf.
Flexible explosion-proof dike of the present invention, described explosion-proof levee body top is equipped with the two-way geo-grid of one deck, has built concrete in the two-way geo-grid.Or: described explosion-proof levee body top kind is implanted with turf.
Described ground comprise the permeable bed course of the rubble of lowermost end with and on two-layer two-way geo-grid, be filled with filler in the two-way geo-grid.
Flexible explosion-proof dike of the present invention, the material of described unidirectional geo-grid and pitman is a high density polyethylene (HDPE), and the material of two-way geo-grid is a polypropylene, and filler is soil or rock ballast; The grid carbon black content is no less than 2%, and particle is uniformly dispersed lustrous surface.
The job practices of flexible explosion-proof dike of the present invention, its special character is: comprise the steps: (1) laying ground; (2) bottom is completely spread unidirectional grid, metope parcel planting soil, and the outside is laid turf and is carried out the body of wall greening, and every bed thickness is 50 centimetres behind the filling compaction; Adopt that mechanical ramming is no less than three times more than 20 tons, adopt hand compaction in 1.5 meters of the metopes; (3) unidirectional grid begins interlayer from the second layer and adopts pitman to be connected with last layer and strain, and unidirectional grid employing pitman carries out drawing connection between explosion-proof dike two relative metopes, wraps up planting soil, laying turf, filling compaction again, until absolute altitude; (4) compacting after the last unidirectional geo-grid anti-package of one deck.
Flexible explosion-proof dike of the present invention adopts geo-grid reinforcement flexible structure, has prolonged the action time that explosive impacts explosion-proof dike, thereby has solved the absorption problem of the indeterminable impact energy of traditional explosion-proof dike at one stroke.Can not produce simultaneously secondary in blast process destroys.With traditional explosion-proof dike (concrete and stone-laying) but compare also have highly high greening and environmental protection, cost low (with 12 meters high and greening explosion-proof dike is example: flexible explosion-proof dike is compared traditional explosion-proof dike and saved cost about 45%), speed of application is fast and ground is had the advantage of adaptive capacity preferably.Reinforced earth explosion-proof dike engineering belongs to new technology, new technology, modern design, attractive in appearance, take up an area of fewly, protect farmland, reduce destruction to surrounding enviroment, belong to environment-friendly engineering.The impact energy that this type of engineering can really absorb blast and produced has been started the beginning that national defence explosion-proof dike engineering is used the flexible structure scheme, makes explosion-proof dike class engineering step a significant step on the basis of traditional construction scheme.
(4) description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is a schematic top plan view of the present invention;
Fig. 2 is that E-E shown in Figure 1 is to generalized section;
Fig. 3 is that F-F shown in Figure 1 is to generalized section;
Fig. 4 is a partial enlarged drawing shown in the A among Fig. 2;
Fig. 5 is a partial enlarged drawing shown in the B among Fig. 2;
Fig. 6 is a partial enlarged drawing shown in the C among Fig. 3;
Fig. 7 is a partial enlarged drawing shown in the D among Fig. 2.
Among the figure, the permeable bed course of 1 rubble, 2 two-way geo-grid, 3 unidirectional geo-grid, 4 pitmans, 5 planting soil filler bag or turfs.
(5) specific embodiment
Embodiment 1:
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment comprises ground and explosion-proof levee body, ground comprise the permeable bed course 1 of the rubble of lowermost end with and on two-layer two-way geo-grid 2, be filled with filler in the two-way geo-grid 2; Explosion-proof levee body adopts geogrids layer and packing layer to replace pressing and forms; Geogrids layer adopts unidirectional geo-grid 3, and the unidirectional geo-grid of following one deck 3 adopts pitman 4 to strain with last layer to be connected, and the two unidirectional geo-grid 3 employing pitmans 4 relative with one deck carry out drawing connection; The metope of explosion-proof levee body is enclosed with planting soil filler bag or turf 5; Adopt concrete or Turf Culture to bear down on one, lay the two-way geo-grid of one deck before the concreting earlier.The material of unidirectional geo-grid and pitman is a high density polyethylene (HDPE), and the material of two-way geo-grid is a polypropylene, and filler is soil or rock ballast.
Embodiment 2:
With Zhejiang portion explosion-proof dike engineering is example: adopt geo-grid reinforcement anti-package flexible structure.After design software calculates, satisfy under the stable case, determined reinforcement material model, drawing rib length.Bottom is completely spread unidirectional grid, metope parcel planting soil, and the outside is laid turf and is carried out the body of wall greening, and every bed thickness is 50 centimetres behind the filling compaction.Adopt that mechanical ramming is no less than three times more than 20 tons, adopt hand compaction in 1.5 meters of the metopes.Begin interlayer from the second layer and adopt pitman to be connected with last layer and strain, the employing pitman carries out drawing connection between explosion-proof dike two relative metopes, wraps up planting soil, laying turf, filling compaction again, until absolute altitude.Compacting after last one deck geo-grid anti-package.
The concrete construction sequence of explosion-proof dike is as follows:
(1) measures setting-out: ground line is measured setting-out on the ground.
(2) slot by the setting-out position, the fluting smooth bottom land in back is also laid bed course.
(3) by the two-way geo-grid of designing requirement cutting, grid cutting length is bottom land width+2 meters anti-package length of every side.
When (4) laying the two-way grid of first floor grid is placed on the good blinding layer of compacting.
(5) with the mode of vertically toppling over filler is poured on the grid that lays.The filler that machinery will be toppled over is smooth, and every layer of backfill thickness is by the designing requirement THICKNESS CONTROL after the compacting.
(6) lay the two-way geo-grid of the second layer, repeat above-mentioned steps.
(7) after the basis is carried out, carry out the measurement setting-out of wall surface line, and the explosion-proof dike wall surface line is hung up properly.
(8) by the unidirectional grid of designing requirement cutting, grid cutting length is anchor Design length+every layer of grid distance+anti-package length.
Will completely spread when (9) laying the unidirectional geo-grid of first floor, grid is placed on the good ground of compacting, the grid length direction is perpendicular to metope, and the anti-package length of reserving is partly placed beyond the wall line.
(10) with the mode of vertically toppling over filler is poured on the grid that lays.The filler that machinery will be toppled over is smooth, and every layer of backfill thickness is by the designing requirement THICKNESS CONTROL after the compacting.
(11) planting soil pack is set level whole by the body of wall line code, the pedestrian worker that goes forward side by side repairs neatly.
(12) adopt hand compaction near in 1.5 meters of metope during compacting, with the mechanical ramming that is not less than 20 tons, compacting is no less than three times away from the filler of metope, and machinery just can hang down explosion-proof dike when constructing design height.
(13) lay before the unidirectional geo-grid of the second layer, the plantation bag piled up part outside wall cut expose planting soil, be beneficial to the grass roots ramp, lay turf afterwards, the second layer geo-grid that is about to cut of existing side by side is connected with the first floor geo-grid with pitman, the vertical connection of grid must be to connect fully, and tension, because grid adopts double-way opposed-pulling, disconnect in the middle of the second layer grid, the employing pitman connects, and makes the grid of tension keep tightening fixing state with anchoring rods simultaneously, and timely turf to metope carried out maintenance after every day, construction finished.
(14) continue the backfill of one deck down, repeat above operational procedure and push up until the slope.
(15) below the 30cm, imbed end length and must not be less than 2.0 meters during the top layer anti-package grid of coming is embedded in and bankets.
(16) machinery hangs down it with 120 ton large-scale loop wheel machines after the compacting of explosion-proof dike upper flat from the explosion-proof dike top.
(17) adopt concrete or Turf Culture to bear down on one according to designing requirement, lay the two-way geo-grid of one deck before the concreting earlier.
(18) construction should in time water after finishing, finishing and maintenance.
Claims (9)
1. a flexible explosion-proof dike comprises ground and explosion-proof levee body, it is characterized in that: described explosion-proof levee body adopts geogrids layer and packing layer to replace pressing and forms.
2. flexible explosion-proof dike according to claim 1 is characterized in that: described geogrids layer adopts unidirectional geo-grid, and the unidirectional geo-grid employing of following one deck pitman is strained with last layer and is connected.
3. flexible explosion-proof dike according to claim 2 is characterized in that: describedly adopt pitmans to carry out drawing connection with two relative unidirectional geo-grid of one deck.
4. according to claim 1,2 or 3 described flexible explosion-proof dikes, it is characterized in that: the metope of described explosion-proof levee body is enclosed with planting soil filler bag or turf.
5. flexible explosion-proof dike according to claim 4 is characterized in that: described explosion-proof levee body top is equipped with the two-way geo-grid of one deck, has built concrete in the two-way geo-grid.
6. flexible explosion-proof dike according to claim 4 is characterized in that: described explosion-proof levee body top kind is implanted with turf.
7. according to claim 1,2 or 3 described flexible explosion-proof dikes, it is characterized in that: described ground comprise the permeable bed course of the rubble of lowermost end with and on two-layer two-way geo-grid, be filled with filler in the two-way geo-grid.
8. flexible explosion-proof dike according to claim 7 is characterized in that: the material of described unidirectional geo-grid and pitman is a high density polyethylene (HDPE), and the material of two-way geo-grid is a polypropylene, and filler is soil or rock ballast.
9. the job practices of the described flexible explosion-proof dike of claim 1 is characterized in that: comprise the steps: (1) laying ground; (2) bottom is completely spread unidirectional grid, metope parcel planting soil, and the outside is laid turf and is carried out the body of wall greening, and every bed thickness is 50 centimetres behind the filling compaction; Adopt that mechanical ramming is no less than three times more than 20 tons, adopt hand compaction in 1.5 meters of the metopes; (3) unidirectional grid begins interlayer from the second layer and adopts pitman to be connected with last layer and strain, and unidirectional grid employing pitman carries out drawing connection between explosion-proof dike two relative metopes, wraps up planting soil, laying turf, filling compaction again, until absolute altitude; (4) compacting after the last unidirectional geo-grid anti-package of one deck.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810014640A CN100593604C (en) | 2008-02-25 | 2008-02-25 | Flexible explosion-proof dike and construction method thereof |
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| CN200810014640A CN100593604C (en) | 2008-02-25 | 2008-02-25 | Flexible explosion-proof dike and construction method thereof |
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| CN101230565A true CN101230565A (en) | 2008-07-30 |
| CN100593604C CN100593604C (en) | 2010-03-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612167A (en) * | 2014-11-26 | 2015-05-13 | 山东玮丰达建筑工程有限公司 | Oil tank reinforced earth protective body and construction method thereof |
| CN107354911A (en) * | 2017-08-31 | 2017-11-17 | 郑州大学 | A kind of ecological flexible geogrid reinforcement Wharf Construction method |
| CN109518660A (en) * | 2018-12-29 | 2019-03-26 | 中国电建集团华东勘测设计研究院有限公司 | One kind leading wall to pull-type sand gravel water blocking |
-
2008
- 2008-02-25 CN CN200810014640A patent/CN100593604C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612167A (en) * | 2014-11-26 | 2015-05-13 | 山东玮丰达建筑工程有限公司 | Oil tank reinforced earth protective body and construction method thereof |
| CN107354911A (en) * | 2017-08-31 | 2017-11-17 | 郑州大学 | A kind of ecological flexible geogrid reinforcement Wharf Construction method |
| CN107354911B (en) * | 2017-08-31 | 2023-09-29 | 郑州大学 | Construction method for ecological flexible geogrid reinforced wharf |
| CN109518660A (en) * | 2018-12-29 | 2019-03-26 | 中国电建集团华东勘测设计研究院有限公司 | One kind leading wall to pull-type sand gravel water blocking |
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| Publication number | Publication date |
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| CN100593604C (en) | 2010-03-10 |
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Assignee: BOSTD GEOSYNTHETICS QINGDAO LTD. Assignor: SHANDONG WEIFENGDA CONSTRUCTION ENGINEERING Co.,Ltd. Contract record no.: 2010370000527 Denomination of invention: Flexible explosion-proof dike and construction method thereof Granted publication date: 20100310 License type: Exclusive License Open date: 20080730 Record date: 20101018 |
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Effective date of registration: 20230518 Address after: 266111 Shandong Province, Qingdao city Chengyang District Green Industrial Park Patentee after: BOSTD GEOSYNTHETICS QINGDAO LTD. Patentee after: SHANDONG WEIFENGDA CONSTRUCTION ENGINEERING Co.,Ltd. Address before: 7-2-702, Yixinyuan Community, No. 24 Yangguang New Road, Huaiyin District, Jinan City, Shandong Province, 250021 Patentee before: SHANDONG WEIFENGDA CONSTRUCTION ENGINEERING Co.,Ltd. |