CN103758079A - Ecological geotube submerged breakwater and stacking method thereof - Google Patents
Ecological geotube submerged breakwater and stacking method thereof Download PDFInfo
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- CN103758079A CN103758079A CN201410046244.3A CN201410046244A CN103758079A CN 103758079 A CN103758079 A CN 103758079A CN 201410046244 A CN201410046244 A CN 201410046244A CN 103758079 A CN103758079 A CN 103758079A
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Abstract
The invention relates to an ecological geotube submerged breakwater which comprises ecological geotubes, filled woven bags and protection blankets. The protection blankets are laid on a riverbed parallel with a dike dam of a river bank, the ecological geotubes and the filled woven bags are filled with sand and soil, each protection blanket is provided with three ecological geotubes shaped like a Chinese character 'pin', the ecological geotubes axially adjacent in an end-to-end mode are stacked in an end-to-end staggered connection mode, and the filled woven bags are stacked in seams among the three ecological geotubes of each protection blanket. The ecological geotube submerged breakwater can resist repeated impact of water currents, wind and waves for a long time, the ecological ecotubes are filled with sand and soil and are stacked, the submerged breakwater which is high in strength, quality and density and not prone to collapsing can be formed, relatively stable ecological environment of plants in a water body of the river bank can be maintained, influences of the wind and waves on the plants in the water body of the river bank are reduced, and underwater conditions are stabilized. Meanwhile, due to the stacking method, needed materials are simple, the stacking efficiency is high, and the stacked submerged breakwater can resist erosion of wind, waves and water currents and is not prone to deforming and collapsing and high in operability.
Description
Technical field
The present invention relates to a kind of protection submerged breakwater, is specifically a kind of ecological pipe bag submerged breakwater, also relates to its landfill method.
Background technology
Submerged breakwater is a kind of more conventional coast protection structure, and this structure end face is submerged under water when design high-water, when design lowest stage, can surface, and is generally enrockment submerged dyke or board plug type submerged breakwater.Traditional enrockment submerged dyke end face is positioned at the region that Wave energy is concentrated the most, and its institute's wave load that bears is larger, needs to adopt larger ground surface protection structure; In addition, enrockment submerged dyke is entity structure, under the impact of wave stream, easily empties phenomenon, makes submerged breakwater sinking or caves in and lose protective capacities; And in China certain areas, geological conditions is poor, building stones comparatively lack and price higher, submerged breakwater is as adopted jackstone structure, construction costs is higher.If select board plug type submerged breakwater can effectively prevent from washing in a pan empty phenomenon, but plate need to be inserted to enough degree of depth, construction costs is higher.
Summary of the invention
The problem existing for prior art, the present invention proposes a kind of ecological pipe bag submerged breakwater and landfill method thereof, by large-scale ecological pipe bag, is piled up and is formed, and has that sand control resistance wave is effective, cost is low and the simple feature of construction method.
The present invention solves the technical scheme of above technical problem: a kind of ecological pipe bag submerged breakwater is provided, and it is positioned at below the water surface, apart from bank certain distance, and parallel with water water front; Described submerged breakwater has double-layer structure, lower floor's submerged breakwater that it has is piled up and is formed by the ecological pipe bag of lower floor's waterproof sealing of the parallel filling sandy soil of two rows, and the ecological pipe bag of lower floor's waterproof sealing that length direction head and the tail are adjacent adopts the staggered connected mode of head and the tail to pile up, the ecological pipe bag of upper strata waterproof sealing that the upper strata submerged breakwater that described submerged breakwater has is arranged the ecological pipe bag of parallel lower floor's waterproof sealing centre position by a ranking in described submerged breakwater lower floor two is piled up and is formed, and the gap between the ecological pipe bag of upper and lower two-layer waterproof sealing is filled with the described filling woven bag that is full of sandy soil; After the ecological geo-tube filling sandy soil of described upper and lower two-layer waterproof sealing, there is identical cross-sectional structure, described cross-sectional structure is the class ellipse of bottom for straight line, it has the straight line that is positioned at the curve of top and is positioned at the described curve two-end-point of connection of below, and the cross section after the ecological pipe bag of upper and lower two-layer waterproof sealing of described submerged breakwater is piled up is " product " character form structure.
Submerged breakwater of the present invention adopts the isosceles triangle mode of piling up to pile up, its structural base and bottom, riverbed contact area are large, wind and wave resistance Stability Analysis of Structures, because the cross section of its each pipe bag is class oval structure, when stormy waves impact tube bag, the energy of stormy waves can be effectively cushioned in the pipe bag outside of circular arc, greatly reduces the impact of stormy waves to riverbank bank protection and bank protection riverbed thereof; The pipe bag head and the tail of submerged breakwater adopt staggered accumulation, can eliminate to greatest extent the capacity of anti-storm of submerged breakwater weak location, guarantee the effective stable protection effect of submerged breakwater.
The technical scheme that the present invention further limits is:
Aforesaid ecological pipe bag submerged breakwater, curve is parabolic curve, curve representation formula is: y=0.03x+0.005x
2; Take the intersection point of the bottom straight line after the ecological geo-tube filling sandy soil of waterproof sealing and parabolic curve as initial point, as horizon, be abscissa x.Like this, by curve shape is set, when stormy waves impact tube bag, make to form aerated cavity between the ecological pipe of adjacent two waterproof sealings, thereby reach the longest maximum of aerated cavity, air entrainment is the most sufficient, makes the effect of the ecological pipe bag of water impact waterproof sealing weaken minimum; Can guarantee again not recall current under ecological pipe bag submerged breakwater, impact water flow stationary, played beyond thought technique effect simultaneously.
An aforesaid ecological pipe bag submerged breakwater, is provided with and inserts to water-bed guide pile in described ecology pipe bag both sides of piling up, and by rope, guide pile and ecological pipe bag is connected and fixed, and guarantees that ecological pipe bag can not occur to be significantly offset filling after soil.
Aforesaid ecological pipe bag submerged breakwater; described submerged breakwater and water depth are 100～200 meters, and planting aquatic plants in this region can form a metastable growing environment by the protection of submerged breakwater; be conducive to the normal growth of water plant, thereby can more effectively protect riverbank bank protection.
Aforesaid ecological pipe bag submerged breakwater, described ecological pipe bag is high-toughness polypropylene pipe bag.
An aforesaid ecological pipe bag submerged breakwater, described in to protect blanket be that high-toughness polypropylene spins geotextiles.
A landfill method for ecological pipe bag submerged breakwater, comprises the following steps:
1. before lay, will lay the ridge and the eliminating impurities that in the basic unit of managing bag submerged breakwater, damage pipe bag, the region that in basic unit, elevation difference is large flattens;
2. ecology pipe bag, filling woven bag are carried out to filling soil, filling soil is selected near good sandy loam or the thin sand soil material of powder of drainage of construction area;
3. first on blanket, lay side by side two ecological pipe bags protecting, ecology pipe bag is carried out to filling soil, filling soil is selected near good sandy loam or the thin sand soil material of powder of drainage construction area;
4. on blanket, pile up filling good lower floor is arranged side by side ecological pipe bag protecting, and the ecology pipe bag that axially head and the tail are adjacent adopts the staggered connected mode of head and the tail to pile up, landfill is carried out by filling native filling woven bag in gap between two ecological pipe bags of lower floor, after placing again the ecological pipe bag in upper strata after landfill is smooth, fill soil, make upper and lower two-layer ecological cross section of managing bag be " product " character form structure and pile up;
5. by dredge boat to the region filling mud of piling between ecology pipe bag submerged breakwater and the riverbank bank protection of filling in.
The landfill method of aforesaid ecological pipe bag submerged breakwater, described step is protected blanket both sides in 3. and is also provided with the guide pile of inserting to riverbed, by GPS, locate behind the control point at two ends, with pile driver, by identification point order, on riverbed, drive piles, then by rope, guide pile and ecological pipe bag are connected and fixed.
Further, the landfill method of aforesaid ecological pipe bag submerged breakwater, the described step 5. concentration of hydraulic mixture of middle filling mud is 10～20%, the transfer pipeline outlet pressure of filling mud is 0.2～0.3MPa.
Beneficial effect of the present invention: ecological pipe bag of the present invention adopts high-toughness polypropylene to have very high intensity and toughness, can resist the long-time repeated stock of current stormy waves, filling sandy soil piling up in ecology pipe bag, can form a high strength, high-quality, high density and the submerged breakwater that should not cave in, current and stormy waves are had to good resistivity, simultaneously because this product has acidproof, alkaline-resisting and corrosion resistant characteristic, can effectively protect for a long time the operating mode in cofferdam, this is not attacked by billow for protection water bank, the bottom between protection submerged breakwater and riverbank not shoal materials has important function, can maintain the stable ecological environment that riverbank water body plant is relative, reduce the impact of stormy waves on riverbank plants in water, stablize water-bed condition.Simultaneously, owing to adopting landfill method of the present invention, material requested is not simple, and landfill efficiency is high, and the submerged breakwater of landfill can stand the invasion and attack of stormy waves and current, yielding and cave in, and constructs workable.
Accompanying drawing explanation
Fig. 1 is schematic cross-section of the present invention.
The specific embodiment
embodiment
The present embodiment provides a kind of ecological pipe bag submerged breakwater, and it is positioned at below the water surface, apart from 150 meters, bank, and parallel with water water front 4, in the region between submerged breakwater and bank line, plant and be implanted with water plant 6, structure as shown in Figure 1, comprise the submerged breakwater 1 that high-toughness polypropylene pipe bag is piled up, that fills that woven bag 2 and high-toughness polypropylene have that the geotextiles spun is made protects blanket 3, protecting blanket 3 is laid under submerged breakwater, submerged breakwater is piled up and is formed by the ecological pipe bag of waterproof sealing of upper and lower two-layer filling sandy soil, the lower floor of submerged breakwater is piled up and is formed by the parallel ecology pipe bag of two rows, and the ecology pipe bag that length direction head and the tail are adjacent adopts the staggered connected mode of head and the tail to pile up, the upper strata of submerged breakwater is piled up and is formed by the ecological pipe bag of a row, gap between upper and lower two-layer ecological pipe bag is filled with the filling woven bag that is full of sandy soil, cross section after the ecological pipe bag of upper and lower two-layer waterproof sealing of submerged breakwater is piled up is " product " character form structure.In the ecological pipe bag of the lower floor of piling up both sides, be provided with and insert to water-bed guide pile 5, and by rope, guide pile and ecological pipe bag are connected and fixed.After the ecological geo-tube filling sandy soil of upper and lower two-layer waterproof sealing, there is identical cross-sectional structure, cross-sectional structure is the class ellipse of bottom for straight line, it has the straight line that is positioned at the curve of top and is positioned at the junction curve two-end-point of below, curve is parabolic curve, and curve representation formula is: y=0.03x+0.005x
2; Take the intersection point of the bottom straight line after the ecological geo-tube filling sandy soil of waterproof sealing and parabolic curve as initial point, as horizon, be abscissa x, as vertical line, be ordinate y axle; By curve shape is set, when stormy waves impact tube bag, make to form aerated cavity between the ecological pipe of adjacent two waterproof sealings, thereby reach the longest maximum of aerated cavity, air entrainment is the most sufficient, makes the effect of the ecological pipe bag of water impact waterproof sealing weaken minimum; Can guarantee again not recall current under ecological pipe bag submerged breakwater, impact water flow stationary simultaneously.
The landfill method of the ecology pipe bag submerged breakwater of the present embodiment, comprises the following steps:
1. before lay, will lay the ridge and the eliminating impurities that in the basic unit of managing bag submerged breakwater, damage pipe bag, the region that in basic unit, elevation difference is large flattens;
2. select to construct under operating mode fine and that stormy waves is little, along long laying the in the riverbed that is parallel to riverbank bank protection, protect blanket;
3. first on blanket, lay side by side two ecological pipe bags protecting, ecology pipe bag is carried out to filling soil, filling soil is selected near good sandy loam or the thin sand soil material of powder of drainage construction area; The both sides of two ecological pipe bags are also provided with the guide pile of inserting to riverbed, locate behind the control point at two ends by GPS, with pile driver, by identification point order, on riverbed, drive piles, and then by rope, guide pile and ecological pipe bag are connected and fixed;
4. on blanket, pile up filling good lower floor is arranged side by side ecological pipe bag protecting, and the ecology pipe bag that axially head and the tail are adjacent adopts the staggered connected mode of head and the tail to pile up, landfill is carried out by filling native filling woven bag in gap between two ecological pipe bags of lower floor, after placing again the ecological pipe bag in upper strata after landfill is smooth, fill soil, make upper and lower two-layer ecological cross section of managing bag be " product " character form structure and pile up;
5. by dredge boat to the region filling mud of piling between ecology pipe bag submerged breakwater and the riverbank bank protection of filling in, the concentration of hydraulic mixture of filling mud is 15%, the transfer pipeline outlet pressure of filling mud is 0.25MPa.
In the specific implementation, on the riverbed from riverbank 150m, lay submerged breakwater, between submerged breakwater and riverbank, the water plants such as reed are planted at the bottom in region, submerged breakwater is formed by three large-scale ecological pipe bag accumulations that are full of sandy soil, one deck is to be formed by the tiling of two pipe bags below, one deck is that the laying of an ecological pipe bag forms above, the length of each ecological pipe bag is between 50-100m, the connection of pipe bag adopts the staggered method of head and the tail to connect, the depth of section of ecological pipe bag is 2m, the widest width in cross section is 6.88m, the position width being connected with the bottom in cross section is 5.84m, the submerged breakwater being piled into thus can be kept out the impact of precipitous sea, the effectively stability of protection riparian ecosystem.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (9)
1. an ecological pipe bag submerged breakwater, it is positioned at below the water surface, apart from bank certain distance, and parallel with water water front, comprise submerged breakwater, fill woven bag and protect blanket, the described blanket that protects is laid under submerged breakwater, it is characterized in that: described submerged breakwater has double-layer structure, lower floor's submerged breakwater that it has is piled up and is formed by the ecological pipe bag of lower floor's waterproof sealing of the parallel filling sandy soil of two rows, and the ecological pipe bag of lower floor's waterproof sealing that length direction head and the tail are adjacent adopts the staggered connected mode of head and the tail to pile up, the ecological pipe bag of upper strata waterproof sealing that the upper strata submerged breakwater that described submerged breakwater has is arranged the ecological pipe bag of parallel lower floor's waterproof sealing centre position by a ranking in described submerged breakwater lower floor two is piled up and is formed, gap between the ecological pipe bag of upper and lower two-layer waterproof sealing is filled with the described filling woven bag that is full of sandy soil, after the ecological geo-tube filling sandy soil of described upper and lower two-layer waterproof sealing, there is identical cross-sectional structure, described cross-sectional structure is the class ellipse of bottom for straight line, it has the straight line that is positioned at the curve of top and is positioned at the described curve two-end-point of connection of below, and the cross section after the ecological pipe bag of upper and lower two-layer waterproof sealing of described submerged breakwater is piled up is " product " character form structure.
2. ecological pipe bag submerged breakwater according to claim 1, is characterized in that: described curve is parabolic curve, and curve representation formula is: y=0.03x+0.005x
2; Take the intersection point of the bottom straight line after the ecological geo-tube filling sandy soil of waterproof sealing and parabolic curve as initial point, as horizon, be abscissa x.
3. ecological pipe bag submerged breakwater according to claim 1 and 2, is characterized in that: in described ecology pipe bag both sides of piling up, be provided with and insert to water-bed guide pile, and by rope, guide pile and ecological pipe bag are connected and fixed.
4. ecological pipe bag submerged breakwater according to claim 1 and 2, is characterized in that: described submerged breakwater and water depth are 100～200 meters.
5. ecological pipe bag submerged breakwater according to claim 1 and 2, is characterized in that: described ecological pipe bag is high-toughness polypropylene pipe bag.
6. an ecological pipe bag submerged breakwater according to claim 1 and 2, is characterized in that: described in to protect blanket be that high-toughness polypropylene spins geotextiles.
7. a landfill method for ecological pipe bag submerged breakwater as claimed in claim 1 or 2, is characterized in that comprising the following steps:
1. before lay, will lay the ridge and the eliminating impurities that in the basic unit of managing bag submerged breakwater, damage pipe bag, the region that in basic unit, elevation difference is large flattens;
2. select to construct under operating mode fine and that stormy waves is little, along long laying the in the riverbed that is parallel to riverbank bank protection, protect blanket;
3. first on blanket, lay side by side two ecological pipe bags protecting, ecology pipe bag is carried out to filling soil, filling soil is selected near good sandy loam or the thin sand soil material of powder of drainage construction area;
4. on blanket, pile up filling good lower floor is arranged side by side ecological pipe bag protecting, and the ecology pipe bag that axially head and the tail are adjacent adopts the staggered connected mode of head and the tail to pile up, landfill is carried out by filling native filling woven bag in gap between two ecological pipe bags of lower floor, after placing again the ecological pipe bag in upper strata after landfill is smooth, fill soil, make upper and lower two-layer ecological cross section of managing bag be " product " character form structure and pile up;
5. by dredge boat to the region filling mud of piling between ecology pipe bag submerged breakwater and the riverbank bank protection of filling in.
8. the landfill method of ecological pipe bag submerged breakwater according to claim 7, it is characterized in that: described step is protected blanket both sides in 3. and is also provided with the guide pile of inserting to riverbed, by GPS, locate behind the control point at two ends, with pile driver, by identification point order, on riverbed, drive piles, then by rope, guide pile and ecological pipe bag are connected and fixed.
9. the landfill method of ecological pipe bag submerged breakwater according to claim 7, is characterized in that: the described step 5. concentration of hydraulic mixture of middle filling mud is 10～20%, and the transfer pipeline outlet pressure of filling mud is 0.2～0.3MPa.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499459A (en) * | 2014-12-22 | 2015-04-08 | 中国水利水电第八工程局有限公司 | Geotextile tube breakwater |
| CN106120825A (en) * | 2016-08-22 | 2016-11-16 | 中交天航港湾建设工程有限公司 | Small-sized cutter suction dredger is utilized to set construction system and the method for filling sack cofferdam |
| CN109024479A (en) * | 2018-07-24 | 2018-12-18 | 上海海洋大学 | Structure, manufacture craft and the seashore wetland landforms of Wetland ecological brick regulate and control method |
| CN113737717A (en) * | 2021-07-30 | 2021-12-03 | 中铁十九局集团第五工程有限公司 | Silt foundation sand rib calandria bag cofferdam system |
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| KR100902327B1 (en) * | 2009-01-13 | 2009-06-12 | 재현토건(주) | Bank construction and reclamation method using the geotextile tube |
| CN101581102A (en) * | 2009-06-08 | 2009-11-18 | 郑创伟 | Method for constructing netted slope earth-retaining wall |
| CN201459757U (en) * | 2009-06-08 | 2010-05-12 | 郑创伟 | Side slope retaining wall building unit structure |
| CN202284289U (en) * | 2011-05-17 | 2012-06-27 | 北京万方程科技有限公司 | Combined ecological river bank revetment structure |
| CN203768860U (en) * | 2014-02-10 | 2014-08-13 | 江苏三正华禹环境工程有限公司 | Ecological tube bag submerged breakwater |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100902327B1 (en) * | 2009-01-13 | 2009-06-12 | 재현토건(주) | Bank construction and reclamation method using the geotextile tube |
| CN101581102A (en) * | 2009-06-08 | 2009-11-18 | 郑创伟 | Method for constructing netted slope earth-retaining wall |
| CN201459757U (en) * | 2009-06-08 | 2010-05-12 | 郑创伟 | Side slope retaining wall building unit structure |
| CN202284289U (en) * | 2011-05-17 | 2012-06-27 | 北京万方程科技有限公司 | Combined ecological river bank revetment structure |
| CN203768860U (en) * | 2014-02-10 | 2014-08-13 | 江苏三正华禹环境工程有限公司 | Ecological tube bag submerged breakwater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499459A (en) * | 2014-12-22 | 2015-04-08 | 中国水利水电第八工程局有限公司 | Geotextile tube breakwater |
| CN106120825A (en) * | 2016-08-22 | 2016-11-16 | 中交天航港湾建设工程有限公司 | Small-sized cutter suction dredger is utilized to set construction system and the method for filling sack cofferdam |
| CN109024479A (en) * | 2018-07-24 | 2018-12-18 | 上海海洋大学 | Structure, manufacture craft and the seashore wetland landforms of Wetland ecological brick regulate and control method |
| CN109024479B (en) * | 2018-07-24 | 2020-08-18 | 上海海洋大学 | Manufacturing process of wetland ecological brick and coastal wetland landform regulation and control method |
| CN113737717A (en) * | 2021-07-30 | 2021-12-03 | 中铁十九局集团第五工程有限公司 | Silt foundation sand rib calandria bag cofferdam system |
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| CN103758079B (en) | 2016-03-30 |
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