CN218116508U - Combined structure of steel sheet pile bagged soil cofferdam - Google Patents
Combined structure of steel sheet pile bagged soil cofferdam Download PDFInfo
- Publication number
- CN218116508U CN218116508U CN202221951752.2U CN202221951752U CN218116508U CN 218116508 U CN218116508 U CN 218116508U CN 202221951752 U CN202221951752 U CN 202221951752U CN 218116508 U CN218116508 U CN 218116508U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- water
- manger plate
- sheet pile
- cofferdam
- 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
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model provides a steel sheet pile soil cofferdam integrated configuration in bags, including first manger plate body and the second manger plate body that is used for increasing first manger plate body manger plate height, first manger plate body one side is the upstream face, and the opposite side is the surface of a back of the body, the second manger plate body sets up in first manger plate body top, first manger plate body and second manger plate body are used for blockking the water entering surface of a back of the body one side of upstream face, the surface of a back of the body of first manger plate body supports through the support frame that the slope was arranged. The utility model discloses the manger plate flood peak is higher, manger plate ability reinforce, provides the guarantee for the construction of the side of swimming.
Description
Technical Field
The utility model relates to a hydraulic and hydroelectric engineering temporary building construction field specifically is a steel sheet pile soil cofferdam integrated configuration in bags.
Background
In the field of water conservancy and hydropower engineering, a construction cofferdam is a temporary water retaining building constructed for the construction of hydraulic buildings, and aims to create a dry land construction environment. For the hydraulic buildings with narrow construction space, the structural form of the water retaining cofferdam is very important, and the water retaining cofferdam can not occupy excessive construction space and can not obstruct the normal overflow of rivers. The conventional earth-rock cofferdam is simple in construction, but the slope is relatively slow, the square amount of the cofferdam is large, and the occupied area is large. The steel sheet pile earth-rock cofferdam can be used for vertically driving steel sheet piles and filling clay in the steel sheet piles to form a cantilever structure, but the height of the cofferdam is not too high due to the self rigidity limitation of the steel sheet piles, and the water retaining head is limited. The bagged soil cofferdam is mainly used for heightening the cofferdam and is not suitable for underwater construction.
The patent of the utility model CN207919573U discloses a sheet pile cofferdam structure suitable for soft soil foundation, which comprises bagged soil, steel sheet piles, steel pull rods, backfill sand, sand quilt, plastic drainage plates and original mud surface lines; a plurality of layers of sand quilts are arranged on the original mud surface line, and a plurality of plastic drainage plates are arranged below the original mud surface line; two rows of steel plate piles are arranged in the middle of the sand quilt, a steel pull rod is arranged between the two rows of steel plate piles, backfill sand is filled between the two rows of steel plate piles, and bagged soil is arranged at the top of the backfill sand. The sheet pile cofferdam structure does not consider the water retaining working condition, is only suitable for soft soil foundations, when encountering flood, one side of the cofferdam retains water, the other side of the cofferdam is in an anhydrous state, and the anhydrous side of the cofferdam has no supporting structure, so that the whole cofferdam structure is easy to destabilize under the condition that the water level continuously rises and impacts.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a higher, the strong cofferdam integrated configuration of manger plate flood peak of manger plate ability.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel sheet pile soil cofferdam integrated configuration in bags, includes first manger plate body and is used for increasing the second manger plate body of first manger plate body manger plate height, first manger plate body one side is the upstream face, and the opposite side is the dorsal surface, the second manger plate body sets up in first manger plate body top, first manger plate body and second manger plate body are used for blockking the water of upstream face one side and get into dorsal surface one side, the dorsal surface of first manger plate body supports through the support frame that the slope was arranged.
Further, the support frame includes crossbeam, base, the bracing piece of connecting crossbeam and base, the crossbeam level sets up in the surface of a back of the body one side of first manger plate, the base is fixed on the ground and has the interval with the surface of a back of the body of first manger plate, bracing piece one end is fixed with the crossbeam, the other end is fixed with the base, the bracing piece is used for transmitting the water thrust that first manger plate received to the ground through the base.
Furthermore, the base is provided with a plurality of along crossbeam length direction, is provided with a bracing piece on every base, and parallel arrangement between the many bracing pieces.
Further, the bottom of the base is supported by a fixed pile.
Furthermore, two ends of the supporting rod are respectively and fixedly connected with the cross beam and the base through gaskets.
Furthermore, the first water retaining body comprises a row of steel sheet piles arranged on the side facing water and a row of steel sheet piles arranged on the side facing water, one end of each steel sheet pile is inserted into the foundation, the other end of each steel sheet pile is higher than the water level in the dry period, and fillers are arranged between the two rows of steel sheet piles.
Furthermore, the filler is clay and is filled to be level with the top end of the steel sheet pile.
Further, the second water retaining body is arranged above the filler.
Further, the second water retaining body comprises a plurality of bags of bagged soil, and the bagged soil is stacked in multiple layers to retain water flow.
Further, the second water retaining body is stacked in multiple layers through bagged soil to form a structure with a trapezoidal section, the slope ratio of the upstream surface to the downstream surface of the second water retaining body is 1.
The utility model has the advantages that:
1. the utility model discloses a combine steel sheet pile earth-rock cofferdam and bagged soil cofferdam to not washed down by the rivers in order to support overall structure through setting up the support frame on one side of the back of the body water, be used for solving narrow space cofferdam construction and manger plate problem.
2. The utility model discloses a support frame transmits the rivers impact force that first manger plate body received to a plurality of concrete bases through many spinal branchs vaulting pole, and the big thrust that first manger plate body received has divided into a plurality of little thrust to transmit to the ground by a plurality of bases, increased overall structure's stability, provide good condition for the construction of the side of swimming.
3. The utility model discloses a bracing piece passes through gasket and crossbeam and base fixed connection, can become the face by some with the power of bracing piece to crossbeam and base, reduces the pressure to crossbeam and base, prevents the destruction of crossbeam and base.
4. The utility model discloses set up bagging-off soil cofferdam above first manger plate body, the soil cofferdam in bags is under the effect of geotextile frictional force and support frame, and the height that can stack is higher and the slope is steeper, has improved the flood control standard of whole structure.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a perspective view of the structure of the present invention;
FIG. 3 is a schematic view of the supporting frame of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of the present invention;
reference numerals: the steel sheet pile foundation comprises a steel sheet pile 1, bagged soil 2, fillers 3, a support frame 4, a foundation 5, a cross beam 6, a support rod 7, a base 8 and a gasket 9.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific embodiments.
As shown in figure 4, the cofferdam needs to be built for water retaining during the water inlet construction of a certain hydraulic engineering. Because of the river course surface of water is narrow, for guaranteeing the required river course width of construction water conservancy diversion, the cofferdam can not occupy too much river course width, and conventional earth-rock cofferdam is not applicable to this engineering, the utility model provides a steel sheet pile soil cofferdam integrated configuration in bags for solve narrow space cofferdam construction and manger plate problem.
As shown in fig. 1, a steel sheet pile bagged soil cofferdam combined structure comprises a first water retaining body and a second water retaining body used for increasing the water retaining height of the first water retaining body, wherein one side of the first water retaining body is a water-facing surface, the other side of the first water retaining body is a water-carrying surface, the second water retaining body is arranged above the first water retaining body, the first water retaining body and the second water retaining body are used for blocking water on one side of the water-facing surface from entering one side of the water-carrying surface, and the water-carrying surface of the first water retaining body is supported by a support frame 4.
First retaining body is steel sheet pile earth-rock cofferdam structure, including setting up one row of steel sheet pile 1 and one row of steel sheet pile 1 of backwater one side on one side of meeting water, 1 one end of steel sheet pile is inserted in ground 5, the other end is higher than withered stage water level, is provided with filler 3 between two rows of steel sheet piles 1, in this embodiment, filler 3 is the clay, and the clay rolls closely knit and fill to with 1 top parallel and level of steel sheet pile.
In the embodiment, the steel sheet piles 1 are frames of the earth-rock cofferdam, conventional Larsen steel sheet piles are adopted, water is in a river channel and the water level is not high, the steel sheet piles 1 are constructed underwater, a pile driver modified by a water excavator is adopted for driving, the steel sheet piles 1 are driven into the river bottom one by one according to requirements, the top of each steel sheet pile 1 is higher than the water level in the withered period, adjacent steel sheet piles 1 are connected and closed through locking notches, finally two rows of steel sheet piles 1 are formed, and one side to be constructed is isolated from the river channel.
Clay is filled between the two rows of steel sheet piles 1 to form a closed seepage-proofing body water retaining structure, the structure is the earth-rock cofferdam of the steel sheet piles 1, and the foundation 5 excavated on one side of construction can not be influenced by river water.
The second water retaining body is a bagged soil cofferdam and is arranged above the filler 3, the second water retaining body comprises a plurality of bags of bagged soil 2, the bagged soil 2 is manually stacked on the first water retaining body layer by layer, and the multiple layers are stacked to retain water flow. The bagged soil cofferdam is under the effect of geotextile friction, and the slope ratio can be very steep, the second keeps off the water and forms the structure that the cross-section is trapezoidal through 2 pile multilayer of bagged soil, the height of second fender water is 2m, and the slope ratio of its upstream face and the side of the surface of a water face is 1.75, and the slope foot is apart from first manger plate body edge one meter.
In this embodiment, the first water retaining body and the second water retaining body are both of a zigzag structure, and include three sections, the middle section is located in the river channel, and the other two sections are arranged in the side slope on one side of the river channel, so that the structure formed by the first water retaining body and the second water retaining body and the side slope on one side of the river channel enclose a closed water retaining system.
The second water retaining body can increase the water retaining height and the water retaining capacity of the first water retaining body, the second water retaining body increases the water flow impact resistance of the first water retaining body by pressing above the first water retaining body, and when the water level is high, the second water retaining body can stop water flow, so that the flood control standard of the whole structure is improved.
After the construction of the first water retaining body and the second water retaining body is completed, a closed water retaining system is formed, the foundation pit starts to pump water on one side needing to be constructed, after the water is pumped out, the water pressure of the back water side (the foundation pit side) of the first water retaining body is short of support, the first water retaining body is continuously impacted by water flow on one side of the upstream face, and the safety can be greatly reduced. And an inclined support frame 4 is arranged on the backwater side of the first water retaining body and is used for transmitting thrust applied to the first water retaining body and the second water retaining body.
As shown in fig. 3, the supporting frame 4 includes a cross beam 6, a base 8, and a supporting rod 7 connecting the cross beam 6 and the base 8;
the beam 6 is horizontally arranged on one side of the back water surface of the first water retaining body, the beam 6 is of a hard plate-shaped structure, and is transversely welded on the upper part of the steel sheet pile 1 on the back water side by adopting I-steel;
One end of each supporting rod 7 is fixed with the cross beam 6, the other end of each supporting rod is fixed with the base 8, the supporting rods 7 are arranged in parallel, and the supporting rods 7 are used for transmitting water thrust force borne by the first water retaining bodies to the foundation 5 through the bases 8.
The supporting rod 7 is fixedly connected with the cross beam 6 and the base 8 through gaskets 9, the gaskets 9 can change the stress of the supporting rod 7 from point to surface, the pressure on the cross beam 6 and the base 8 is reduced, and the cross beam 6 and the base 8 are prevented from being damaged.
The foregoing shows and describes the general principles and principal structural features of the invention. The present invention is not limited by the above-mentioned examples, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and improvements fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a steel sheet pile soil cofferdam integrated configuration in bags which characterized in that, includes first manger plate body and is used for increasing the second manger plate body of first manger plate body manger plate height, first manger plate body one side is the upstream face, and the opposite side is the surface of a poor water, the second manger plate body sets up in first manger plate body top, first manger plate body and second manger plate body are used for blockking the water of upstream face one side and get into surface of a poor water one side, the surface of a poor water of first manger plate body supports through support frame (4) that the slope was arranged.
2. The steel sheet pile bagged soil cofferdam combination structure of claim 1, wherein the supporting frame (4) comprises a beam (6), a base (8), and a supporting rod (7) connecting the beam (6) and the base (8), the beam (6) is horizontally arranged on one side of the back surface of the first water retaining body, the base (8) is fixed on the foundation (5) and spaced from the back surface of the first water retaining body, one end of the supporting rod (7) is fixed with the beam (6), the other end is fixed with the base (8), and the supporting rod (7) is used for transmitting the water thrust applied to the first water retaining body to the foundation (5) through the base (8).
3. The combination structure of the steel sheet pile bagged soil cofferdam of claim 2, characterized in that the base (8) is provided with a plurality of along the length direction of the beam (6), each base (8) is provided with a support rod (7), and the plurality of support rods (7) are arranged in parallel.
4. A steel sheet pile bagged cofferdam assembly as claimed in claim 2 wherein the bottom of said base (8) is supported by a spud pile.
5. The combination structure of the steel sheet pile bagged earth cofferdam of claim 3, characterized in that both ends of the supporting rod (7) are respectively fixedly connected with the beam (6) and the base (8) through a gasket (9).
6. The steel sheet pile bagged soil cofferdam combination structure of any one of claims 1 to 5, wherein the first water-stop body comprises a row of steel sheet piles (1) arranged on the water-facing side and a row of steel sheet piles (1) arranged on the water-backing side, one end of the steel sheet piles (1) is inserted into the foundation (5), the other end is higher than the water level in the dry period, and fillers (3) are arranged between the two rows of steel sheet piles (1).
7. The combination structure of the steel sheet pile bagged soil cofferdam of claim 6, characterized in that the filler (3) is clay filled to be flush with the top end of the steel sheet pile (1).
8. The combination structure of the steel sheet pile bagged soil cofferdam of claim 6, characterized in that the second water retaining body is arranged above the filler (3).
9. The combination structure of the steel sheet pile bagged soil cofferdam of claim 8, wherein the second water-retaining body comprises a plurality of bags of soil (2), and the bags of soil (2) are stacked in multiple layers to block water flow.
10. The steel sheet pile bagged soil cofferdam combination structure of claim 9, wherein the second water retaining body is formed into a structure with a trapezoidal section by stacking a plurality of layers of bagged soil (2), the slope ratio of the upstream side and the downstream side of the second water retaining body is 1.75, and the distance between the slope foot and the edge of the first water retaining body is one meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221951752.2U CN218116508U (en) | 2022-07-27 | 2022-07-27 | Combined structure of steel sheet pile bagged soil cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221951752.2U CN218116508U (en) | 2022-07-27 | 2022-07-27 | Combined structure of steel sheet pile bagged soil cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218116508U true CN218116508U (en) | 2022-12-23 |
Family
ID=84518919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221951752.2U Active CN218116508U (en) | 2022-07-27 | 2022-07-27 | Combined structure of steel sheet pile bagged soil cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218116508U (en) |
-
2022
- 2022-07-27 CN CN202221951752.2U patent/CN218116508U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106400744A (en) | Comprehensive side-slope treatment structure for preventing river channel erosion and construction method thereof | |
| CN111119313A (en) | Steep slope anti-sliding flood discharge ditch and construction method thereof | |
| CN213952260U (en) | Cofferdam structure combining steel sheet pile and steel pipe pile | |
| CN218116508U (en) | Combined structure of steel sheet pile bagged soil cofferdam | |
| CN218562251U (en) | Cofferdam structure suitable for pile-spanning type spur dike in strong tidal bore area | |
| CN217811134U (en) | Cofferdam structure | |
| CN214832816U (en) | Seepage-proofing and impact-resisting hydraulic cofferdam | |
| CN215165198U (en) | A banket structure that is used for regional embankment cofferdam of strong tidal bore | |
| CN212026103U (en) | Pile group sloping plate diversion dam suitable for desert river | |
| CN213358505U (en) | Seepage-proofing reinforcing heightening structure for existing diseased river levee | |
| CN212801549U (en) | H-shaped double-row steel sheet pile supporting structure | |
| CN218540592U (en) | Hydraulic and hydroelectric engineering construction water conservancy diversion structure | |
| CN112575777A (en) | Frame reinforcing system and method for high-speed railway pier foundation penetrating through under channel | |
| CN110565666A (en) | Construction method of flat combined sheet pile ground connecting wall type water retaining cofferdam | |
| CN220927708U (en) | Retaining wall used as landscape river levee reinforcement and river foundation pit support | |
| JP2020117959A (en) | Levee body reinforcement structure | |
| CN220813787U (en) | High-water-head cutting pre-reinforcing structure | |
| CN219157692U (en) | Combined occluding pile structure | |
| CN221052501U (en) | Mixed type spur dike suitable for surge region | |
| CN215669611U (en) | Cofferdam structure for open trench tunnel at bottom of lake | |
| CN219450782U (en) | Water retaining cofferdam structure for hydraulic engineering construction | |
| CN221142680U (en) | Assembled port channel slope protection structure | |
| CN218204449U (en) | Structure for river-crossing pipe burying engineering | |
| CN219690466U (en) | Multifunctional ship lock pile wall combined type vertical supporting structure | |
| CN217678877U (en) | Fabricated support structure for dredging river course for drainage of waterlogging in coastal cities |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |