CN221052501U - Mixed type spur dike suitable for surge region - Google Patents
Mixed type spur dike suitable for surge region Download PDFInfo
- Publication number
- CN221052501U CN221052501U CN202322122139.0U CN202322122139U CN221052501U CN 221052501 U CN221052501 U CN 221052501U CN 202322122139 U CN202322122139 U CN 202322122139U CN 221052501 U CN221052501 U CN 221052501U
- Authority
- CN
- China
- Prior art keywords
- dam
- butyl
- bag
- clay
- tubular bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 65
- 239000004927 clay Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 239000010410 layer Substances 0.000 claims description 16
- 239000004746 geotextile Substances 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 19
- 238000011010 flushing procedure Methods 0.000 abstract description 10
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a mixed type butyl dam suitable for a tidal bore area, which comprises a tubular bag butyl dam, a clay butyl dam, a fender post and a ton bag, wherein the tubular bag butyl dam is arranged perpendicular to a sea pond, one end of the tubular bag butyl dam, which is close to a water bank, is connected and fixed with the sea pond in a seamless connection manner, and one end of the tubular bag butyl dam, which is far away from the water bank, extends out of the original structural influence range of the bottom of the sea pond; one end of the clay butyl dam close to the water bank is connected to the end of the pipe bag butyl dam far away from the water bank, and the other end of the clay butyl dam extends into the river; the guard piles are driven on two sides of the clay spur dike; the ton bags are arranged on two sides of the fender post. The mixed type butyl dams combined by the tubular bag butyl dams and the clay butyl dams have the effect of picking and promoting, so that the water flow speed between the butyl dam areas is slowed down, the next step of smooth paving and hydraulic filling operation of the longitudinal cofferdam is facilitated, the foot flushing of the longitudinal cofferdam is delayed, and the improvement of the overall appearance cleanliness of the sea pond is facilitated. As a temporary building, compared with the traditional rubble T-dam and the pile-type T-dam, the pipe bag and clay mixed T-dam can save construction cost and is easy to dismantle in the later period.
Description
Technical Field
The utility model relates to the field of hydraulic engineering, in particular to a hybrid type spur dike suitable for a tidal bore area.
Background
In the reinforcement construction of the embankment feet, because the engineering is in a strong tidal bore area, the flow rate of Jiang Dao water is high, the tidal flow state is complex, the impact of the rising tide on the temporary building (cofferdam) is top flushing, the impact of the falling tide on the temporary building (cofferdam) is continuous flushing, and the continuous flushing comprises long-time flushing which is more than ten hours per day, and the great difficulty is caused to the erection of the cofferdam and maintenance during the use period.
The butyl dam is necessary in advance in the cofferdam construction, firstly, the butyl dam can change the flow state of a cofferdam construction area, slow down the water flow speed of the cofferdam construction area and reduce the paving difficulty of a cofferdam bottom bag; secondly, the direct impact of tide flood on the cofferdam can be reduced by the spur dike, the flushing of the cofferdam feet can be reduced by the diversion, the spur dike extends out of the river for 30-40 m than the longitudinal cofferdam, and the flushing of the bottom flow on the cofferdam feet can be effectively reduced.
Through practice on site for several times, the self structure of the silt pipe bag dam is easy to be damaged, and is flushed by a large flow speed, the foundation undercut is serious, the silt pipe bag dam is difficult to be used as a front face of a leading section to resist tide action, and cannot continue to be propelled into the river after being separated from a sea pond by 30-40 m.
Based on the above situation, the utility model provides a hybrid type spur dike suitable for a tidal bore area, which is used for effectively solving the problems.
Disclosure of utility model
In order to solve the problems in the background art, the utility model provides a hybrid type spur dike suitable for a tidal bore area.
The utility model adopts the following technical scheme:
The utility model provides a hybrid butyl dam suitable for tidal bore area, includes pipe bag butyl dam, clay butyl dam, fender post and ton bag, pipe bag butyl dam is beaten perpendicularly to the pond and is established, and pipe bag butyl dam near water bank one end is fixed with the seamless connection of pond, and the original structure influence scope in pond bottom is stretched out to the one end that keeps away from water bank; one end of the clay butyl dam close to the water bank is connected to the end of the pipe bag butyl dam far away from the water bank, and the other end of the clay butyl dam extends into the river; the guard piles are driven on two sides of the clay spur dike; the ton bags are arranged on two sides of the fender post.
The smooth section of the water flow at the side of the pond adopts a pipe bag to fill with silt to form a spur dike, and has the characteristics of high construction speed and more favorable protection for the ancient pond; the outside is in a clay block dam type due to water flow flushing, so that the cofferdam is protected from being flushed during construction; the sea pond side tube bag spur dike and the outside clay spur dike form a mixed spur dike together.
Further, the pipe bag spur dike comprises a geotechnical pipe bag and silt, wherein the geotechnical pipe bag and the silt are vertically paved at the joint sea pond from the bottom to the top in a layered manner from the wide to the narrow.
Furthermore, the geotechnical pipe bag is used for taking soil and filling by blowing for a clean water pump, and each layer of bag body of the geotechnical pipe bag is overlapped in a staggered joint mode without through joints.
Further, the elevation of the top of the tubular bag spur dike is not lower than the top of the pond.
Further, the geotechnical pipe bag and the silt are sewn by geotechnical cloth with different widths.
And further, paving a cushion layer on the top surface layer of the tubular bag spur dike, and covering a steel panel on the upper end of the cushion layer to form a temporary channel.
Further, the guard piles comprise close-packed piles formed by steel pipe piles and Lasen steel plates, channel steel guard purlins are arranged at the upper ends of the steel pipe piles at the two sides, and the steel pipe piles at the two sides are connected in a opposite-pull mode through steel wires; and the elevation of the top of the fender post reaches above the average low tide level.
Further, clay is filled between the fender piles to serve as a dam body, and the height of the clay spur dike top and the height of the pipe bag spur dike top are Cheng Chiping.
Further, the ton bag is located the fender post outside and forms the suppression platform.
The utility model provides a mixed type spur dike suitable for a tidal bore area, which comprises a main body and a secondary body, wherein the main body is provided with a main body and a secondary body, and the secondary body is provided with a main body and a secondary body: the mixed type butyl dams combined by the tubular bag butyl dams and the clay butyl dams have the effect of picking and promoting, so that the water flow speed between the butyl dam areas is slowed down, the next step of smooth paving and hydraulic filling operation of the longitudinal cofferdam is facilitated, the foot flushing of the longitudinal cofferdam is delayed, and the improvement of the overall appearance cleanliness of the sea pond is facilitated.
As a temporary building, compared with the traditional rubble T-dam and the pile-type T-dam, the pipe bag and clay mixed T-dam can save construction cost and is easy to dismantle in the later period.
Drawings
FIG. 1 is a plan view of the present utility model;
FIG. 2 is a cross-sectional view of the bag-in-bulk dam at A-A of FIG. 1;
FIG. 3 is a cross-sectional view of the clay spur dike at B-B in FIG. 1.
The sequence numbers marked in the figures are represented as follows: 1-pipe bag spur dike, 2-clay spur dike, 3-steel panel, 4-Lassen steel sheet pile, 5-steel pipe pile, 6-geotextile, 7-clay, 8-ton bag, 9-channel steel purlin and 10-steel wire rope.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
Referring to the accompanying drawings 1-3, a mixed type butyl dam suitable for a tidal bore area comprises a tubular bag butyl dam 1, a clay 7 butyl dam 2, a fender post and a ton bag 8, wherein the tubular bag butyl dam 1 is arranged perpendicular to a sea pool, one end of the tubular bag butyl dam 1 near a water bank is connected and fixed with the sea pool in a seamless connection manner, and one end far away from the water bank extends out of the influence range of the original structure at the bottom of the sea pool; one end of the clay 7 butyl dam 2 close to the water bank is connected to the end of the pipe bag butyl dam 1 far away from the water bank, and the other end of the clay 7 butyl dam extends into the river; the guard piles are driven on two sides of the clay 7 dam 2; the ton bags 8 are arranged on two sides of the fender post.
The smooth section of the water flow at the side of the pond adopts a pipe bag to fill with silt to form a spur dike, and has the characteristics of high construction speed and more favorable protection for the ancient pond; the outside is due to water flow scouring, a clay 7-block dam 2 type is adopted, so that the cofferdam is protected from being washed down during construction; the sea pond side tube bag spur dike 1 and the outside clay 7 spur dike 2 form a mixed spur dike together.
The pipe bag spur dike 1 comprises a geotechnical pipe bag and silt, wherein the geotechnical pipe bag and the silt are vertically paved at the joint sea pond from the bottom to the top in a layered manner from the wide to the narrow. The geotechnical pipe bag and the silt are sewn by geotechnical cloth 6 with different widths. The specification of the geotextile 6 is not lower than 250g/m 2. The geotechnical pipe bag is used for taking soil and filling by blowing a clean water pump, and each layer of bag body of the geotechnical pipe bag is in seamless joint lap joint.
Geotextile 6 is woven and sewn into geotextile tube bags, the geotextile tube bags are paved at low tide level of small tide, and objects with quality blocking such as stones and sundries in a range are removed before paving; the silt can be obtained nearby, and a slurry pump set is matched with a corresponding clean water pump to carry out soil taking and hydraulic filling work until the bag body is full; during operation construction, sectional construction, layered hydraulic filling and filling of the upper geotechnical pipe bags can be carried out after the powder sand in the lower pipe bags is primarily drained and solidified, and each layer of bag body is overlapped by staggered joint, so that through joints cannot occur.
The height of each layer of geotechnical pipe bag is 0.5-1 m, the width of the bottom layer geotechnical bag is not less than 30m, the width of the top layer geotechnical pipe bag is not less than 12m, and the slope ratio is 1:1.3-1:1.5.
The top elevation of the tubular bag spur dike 1 is not lower than the top of the pond.
And a cushion layer is paved on the top surface layer of the tubular bag spur dike 1, and the upper end of the cushion layer is covered with a steel panel 3 to form a temporary channel.
The guard piles comprise closely-arranged piles consisting of steel pipe piles 5 and Lassen steel plates, channel steel guard purlins 9 are arranged at the upper ends of the steel pipe piles 5 at two sides, and the steel pipe piles 5 at two sides are connected through 10 opposite pulls; each steel pipe pile 5 is provided with 3 Lassen steel sheet piles 4 as a unit, the upper ends of the steel pipe piles 5 at two sides are welded with channel steel enclosing purlins 9, and the steel wire ropes 10 are adopted for opposite pulling; the elevation of the guard pile top reaches above the average low tide level to prevent loss of soil 7 on the beach.
And the elevation of the top of the fender post reaches above the average low tide level.
And clay 7 is filled between the fender piles to serve as a dam body, the bottom width of the dam body is consistent with the bottom width of the tubular bag butyl dam 1, the part above the water surface is leveled and compacted by using construction machinery, the slope ratio is 1:1.8-1:2.2, a steel panel 3 is paved on the top surface layer of the clay 7 butyl dam 2, a temporary channel is formed, and the top width is more than 10 m.
The ton bag 8 is arranged on the outer side of the fender post to form a pressing platform. Stone powder is used as filling material of a ton bag 8, and the ton bag 8 is arranged on the outer side of the fender post to form a compacting platform, so that the stability of the clay 7 and the dam 2 is ensured; the guard piles and the clay 7 dam body are staggered and constructed, so that the guard piles are ensured to be arranged in advance of filling the clay 7 dam body.
The tube bag spur dike 1 and the clay 7 spur dike 2 form a mixed spur dike. The top elevation of the clay 7 butyl dam 2 and the top elevation of the tubular bag butyl dam 1 are Cheng Chiping.
The clay has the characteristics of adaptability to deformation and isotropy, the anti-scouring flow rate is 0.75-0.95 m/s, and on-site experiments confirm that the clay butyl dam is adopted in the strong tidal bore area, so that the damage rate of the butyl dam body due to flushing by tidal water is relatively slow, and the protection of the butyl dam on the cofferdam in the construction period of 3-4 months can be met.
Because the ancient sea pond is a national-level protection cultural relic, the lap joint of the butyl dam and the ancient sea pond joint is preferably in flexible connection, and the integral image of the sea pond is influenced after the near-shore filling of the clay butyl dam, a more environment-friendly butyl dam building mode is preferably selected, and the arrangement of the silt pipe-type butyl dam can be considered because the flow velocity is not large within the range of 30-40 m near the shore, the clay filling quantity is reduced, and the integral image and the appearance of the sea pond are improved. The clay dam is suitable to be extended in an occupied mode at a position far away from the water bank and with high water flow speed. Therefore, a hybrid type spur dike which is formed by combining an offshore pipe-line type spur dike and an offshore clay spur dike is preferably adopted, and the two spur dikes complement each other to facilitate engineering propulsion.
The construction method of the hybrid type spur dike comprises the following steps:
S1: geotextile is woven and sewn into geotextile tube bags, the geotextile tube bags are paved at low tide level of small tide, and objects with quality blocking such as stones and sundries in a range are removed before paving; the silt can be obtained nearby, and a slurry pump set is matched with a corresponding clean water pump to carry out soil taking and hydraulic filling work until the bag body is full; when the construction is performed, sectional construction, layered hydraulic filling and filling are adopted, the upper geotechnical pipe bag filling can be performed after the silt in the lower layer pipe bag is primarily drained and solidified, the staggered joint of each layer of bag body is overlapped, the through joint cannot occur, and finally, the pipe bag spur dike is formed, and the top elevation of the pipe bag spur dike is not lower than the top of the pond;
S2: paving silt powder on the top surface layer of the tubular bag dam as a cushion layer, and covering a steel panel on the upper end of the cushion layer to form a temporary channel;
S3: the method comprises the steps that (1) fender piles are firstly arranged on the river side outside a tubular bag spur dike, the fender piles are divided into two groups, the fender piles are formed by adopting close-packed piles in a driving mode, each fender pile is formed by matching Larson steel sheet piles with steel pipe piles, each steel pipe pile is matched with 3 Larson steel sheet piles as a unit, channel steel fender purlins are welded at the upper ends of the steel pipe piles at two sides, and steel wire ropes are adopted for opposite pulling; the elevation of the fender post top reaches above the average low tide level;
S4: filling clay between the fender piles at two sides after the construction is finished as a dam body, wherein the width of the bottom of the dam body is consistent with that of the pipe bag T-shaped dam, leveling and compacting the part above the water surface by using construction machinery, paving a steel panel on the top surface layer of the clay T-shaped dam to form a temporary channel, and the top width is more than 10 m; the elevation of the clay butyl dam and the elevation of the tube bag butyl dam are Cheng Chiping.
S5: stone powder is used as a ton bag, the ton bag is arranged on the outer side of the fender post to form a pressing platform, the fender post and the clay dam body are constructed in a staggered way, and the fender post is ensured to be arranged in advance of the clay dam body to be filled, and the pipe bag dam and the clay dam form a mixed type dam.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (9)
1. The mixed type butyl dam suitable for the tidal bore area is characterized by comprising a tubular bag butyl dam, a clay butyl dam, a fender post and a ton bag, wherein the tubular bag butyl dam is arranged perpendicular to a sea pond, one end of the tubular bag butyl dam, which is close to a water bank, is connected and fixed with the sea pond in a seamless connection manner, and one end of the tubular bag butyl dam, which is far away from the water bank, extends out of the original structural influence range of the bottom of the sea pond; one end of the clay butyl dam close to the water bank is connected to the end of the pipe bag butyl dam far away from the water bank, and the other end of the clay butyl dam extends into the river; the guard piles are driven on two sides of the clay spur dike; the ton bags are arranged on two sides of the fender post.
2. A hybrid butyl dam for use in tidal bore area as defined in claim 1, wherein said tubular bag-in-bag dam comprises a geotextile tube and silt, said geotextile tube and silt being layered from wide to narrow and vertically laid in bottom-up engagement with a sea pond.
3. The hybrid butyl dam suitable for use in tidal bore areas of claim 2, wherein the geotextile bags are filled with soil by blowing with a clear water pump, and each layer of bag body of the geotextile bags has no seam-passing staggered joint.
4. A hybrid butyl dam for use in a tidal bore area as defined in claim 1, wherein said tubular bag butyl dam top elevation is no lower than the pond top.
5. The hybrid butyl dam for use in tidal bore area of claim 2, wherein the geotextile bag and silt are sewn with geotextiles of different widths.
6. A hybrid bund dam suitable for use in tidal bore area as claimed in claim 1, wherein said tubular bag bund dam top surface layer is laid with a cushion layer, the upper end of which is covered with a steel panel to form temporary channels.
7. The hybrid type spur dike suitable for tidal bore area as claimed in claim 1, wherein the guard piles comprise closely arranged piles consisting of steel pipe piles and Lasen steel plates, the upper ends of the steel pipe piles at two sides are provided with channel steel surrounding purlins, and the steel pipe piles at two sides are connected by steel wire ropes in opposite pull; and the elevation of the top of the fender post reaches above the average low tide level.
8. The hybrid butyl dam for use in a tidal bore area of claim 1, wherein clay is filled between the fender posts as a dam body, and wherein the elevation of the clay butyl dam is substantially the same as the elevation of the tubular bag butyl dam Cheng Chiping.
9. A hybrid dam for use in tidal bore area as claimed in claim 1, wherein said ton bags are located outside of the fender post to form a ballast platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122139.0U CN221052501U (en) | 2023-08-08 | 2023-08-08 | Mixed type spur dike suitable for surge region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122139.0U CN221052501U (en) | 2023-08-08 | 2023-08-08 | Mixed type spur dike suitable for surge region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221052501U true CN221052501U (en) | 2024-05-31 |
Family
ID=91225380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322122139.0U Active CN221052501U (en) | 2023-08-08 | 2023-08-08 | Mixed type spur dike suitable for surge region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221052501U (en) |
-
2023
- 2023-08-08 CN CN202322122139.0U patent/CN221052501U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106801424B (en) | A kind of cofferdam construction method | |
| CN109339065B (en) | Method for deep water exposed bedrock close-packed pile supporting construction bearing platform | |
| CN113957913A (en) | Construction method of film bag sand filling combined steel sheet pile cofferdam | |
| CN209816885U (en) | Novel cofferdam structure under soft covering layer | |
| CN213952260U (en) | Cofferdam structure combining steel sheet pile and steel pipe pile | |
| CN112854144A (en) | Construction structure of earth-rock dam on deep sludge layer and construction method thereof | |
| CN218562251U (en) | Cofferdam structure suitable for pile-spanning type spur dike in strong tidal bore area | |
| CN221052501U (en) | Mixed type spur dike suitable for surge region | |
| CN109056762B (en) | Construction method of sea island beach dike | |
| CN113373865B (en) | Frame type embankment structure | |
| CN108411934B (en) | Floating tubular pile, dam retaining structure and construction method thereof | |
| CN213476933U (en) | Ecological steel sheet pile island-building cofferdam structure | |
| CN213867883U (en) | Sand filling pipe bag cofferdam suitable for coastal area | |
| CN215165198U (en) | A banket structure that is used for regional embankment cofferdam of strong tidal bore | |
| CN215052663U (en) | River course side slope protective structure | |
| CN112854138B (en) | Existing river course diversion construction method | |
| CN109355990B (en) | Ultra-fine sand roadbed structure for hydraulic filling in low-lying marsh areas | |
| CN112575777A (en) | Frame reinforcing system and method for high-speed railway pier foundation penetrating through under channel | |
| CN104947630A (en) | Over-current slag collecting weir for water conservancy and hydropower engineering and construction method thereof | |
| CN214460081U (en) | Empty box type embankment structure under tidal flat geological condition | |
| CN215105430U (en) | Tide-sensitive river section steel pipe pile anchor pulling combined cofferdam | |
| CN111074708B (en) | Roadbed structure for widening and heightening along water side of water embankment and construction method thereof | |
| CN217325475U (en) | Reinforced structure is restoreed to hydraulic retaining wall that collapses | |
| CN214143756U (en) | High-sensitivity soil foundation pit supporting structure | |
| CN219527515U (en) | Prevent gardens revetment bearing structure that collapses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |