CN214657147U - Inner support-free steel sheet pile cofferdam structure - Google Patents
Inner support-free steel sheet pile cofferdam structure Download PDFInfo
- Publication number
- CN214657147U CN214657147U CN202023142303.7U CN202023142303U CN214657147U CN 214657147 U CN214657147 U CN 214657147U CN 202023142303 U CN202023142303 U CN 202023142303U CN 214657147 U CN214657147 U CN 214657147U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- sheet pile
- pile
- piles
- enclosure
- 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
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model provides a shaped steel sheet pile cofferdam structure in no interior support, including setting up at the enclosure steel sheet pile, corner pile, outer support steel sheet pile, the foundation ditch of mound body side, the mound body sets up in the foundation ditch, the foundation ditch lateral wall is the soil body, mound body bottom is equipped with the cushion, the cushion bottom is equipped with the bed course, the enclosure steel sheet pile sets up all around along the mound body and forms and face limit enclosure structure, outer support steel sheet pile sets up between enclosure steel sheet pile and foundation ditch, outer support steel sheet pile sets up with every side of enclosure steel sheet pile is perpendicular, be connected through the corner pile between enclosure steel sheet pile and the enclosure steel sheet pile, between outer support steel sheet pile and the enclosure steel sheet pile. The utility model discloses a setting and the construction of interior support have been avoided in the combination of enclosure steel sheet pile, outer support steel sheet pile and corner pile, have guaranteed cofferdam intensity, waterproof nature, have reduced the construction degree of difficulty, and effectively solve the limited problem in operation space, for the construction provides facility, improve the efficiency of construction, have reduced construction cost.
Description
Technical Field
The utility model relates to a steel cofferdam technical field, concretely relates to support shaped steel sheet pile cofferdam structure in nothing.
Background
In cushion cap foundation ditch protection construction, steel sheet pile cofferdam rigidity is big, the volume is little, area is few and its stagnant water effect is better, and steel sheet pile cofferdam is used comparatively generally, and current steel sheet pile cofferdam construction all sets up shaped steel purlin and interior steel shotcrete, improves the holistic intensity of steel cofferdam and stability.
As patent No. 2015209450206 discloses a novel cofferdam structure for construction of deep water cushion cap, including the cofferdam wall body, the cofferdam wall body outside is provided with a plurality of alternate strutting arrangement and the connecting device who arranges, strutting arrangement is including the spacing stake that is located the outside and the first U shaped steel sheet pile that is located the inboard, and first U shaped steel sheet pile opening is inwards, and connecting device is the second U shaped steel sheet pile that the opening is outwards, and second U shaped steel sheet pile is connected adjacent first U shaped steel sheet pile in order to form the enclosure space. The utility model discloses utilize U shaped steel sheet pile and ordinary steel sheet pile combination in order to support the cofferdam wall body, can increase substantially the rigidity of cofferdam wall body to reduce the construction process, reduce construction cost, improve the efficiency of construction.
For example, a double-layer steel sheet pile combined enclosure structure with the patent number of 2019213568016 comprises an outer layer steel sheet pile and an inner layer steel sheet pile, wherein the outer layer steel sheet pile and the inner layer steel sheet pile are formed by continuously interlocking a plurality of steel sheet pile bodies, and I-shaped steel is inserted between a notch of the outer layer steel sheet pile and a groove bottom of the inner layer steel sheet pile; soil is filled between the outer layer steel sheet pile and the inner layer steel sheet pile to form a reinforced layer; a first fixing frame is sleeved on the outer side of the outer layer steel sheet pile; a second fixing frame is arranged on the inner side of the inner layer steel sheet pile; a plurality of first supporting rods and a plurality of second supporting rods are arranged between the inner side walls of the second fixing frames; the first supporting rod extends along the length direction of the second fixing frame, and two ends of the first supporting rod are respectively fixed on the second fixing frame; the second support rod extends along the width direction of the second fixed frame, and two ends of the second support rod are respectively fixed on the second fixed frame. Not only improves the overall stability but also further improves the waterproofness.
Although two kinds above adopt the steel sheet pile to maintain to reach fine water-proof effects, but in order to guarantee holistic rigidity and stability, all set up interior bearing structure, lead to operating space limited in the cofferdam, caused very big inconvenience for the construction.
Disclosure of Invention
The utility model provides a shaped steel sheet pile cofferdam structure in no interior support has effectively solved the limited problem in operation space, for the construction provides facility, has improved construction work efficiency, reduce cost.
The technical scheme of the utility model is that: the utility model provides a support profiled sheet pile cofferdam structure in nothing, is including setting up at the enclosure steel sheet pile, corner pile, outer support steel sheet pile, the foundation ditch of pier shaft side, the pier shaft sets up in the foundation ditch, the foundation ditch lateral wall is the soil body, pier shaft bottom is equipped with the cushion cap, the cushion cap bottom is equipped with the bed course, the enclosure steel sheet pile sets up along pier shaft periphery and forms and faces limit enclosure structure, outer support steel sheet pile sets up between enclosure steel sheet pile and foundation ditch, outer support steel sheet pile sets up with every side of enclosure steel sheet pile is perpendicular, be connected through corner pile between enclosure steel sheet pile and the enclosure steel sheet pile, between outer support steel sheet pile and the enclosure steel sheet pile.
According to the scheme, the outer supporting steel sheet pile and the enclosure steel sheet pile are formed by combining a plurality of U-shaped steel sheet piles, and the opening directions of two adjacent U-shaped steel sheet piles are opposite.
In a further scheme, the corner pile is of a T-shaped structure.
And furthermore, the top of the enclosure steel sheet pile is arranged at a position higher than the ground.
According to the scheme, the outer supporting steel sheet piles are embedded into the soil, and the top of each outer supporting steel sheet pile is lower than the top of each enclosure steel sheet pile and is flush with the construction access.
And in a scheme, the number of the outer support steel plate piles on each side of the enclosure steel plate piles is at least two rows.
And in the scheme, the outer support steel sheet piles on each side of the enclosure steel sheet pile are uniformly arranged along the side surface of the enclosure steel sheet pile.
And further, 3 rows of outer supporting steel sheet piles are uniformly arranged at the long edge of the enclosure steel sheet pile, and 2 rows of outer supporting steel sheet piles are uniformly arranged at the short edge of the enclosure steel sheet pile.
The utility model has the advantages that: the utility model discloses a setting and the construction of interior support have been avoided in the combination of enclosure steel sheet pile, outer support steel sheet pile and corner pile, have reduced the construction degree of difficulty on the basis of guaranteeing cofferdam intensity and waterproof nature, and have effectively solved the limited problem in operation space, for the construction provides facility, wholly improves the efficiency of construction, has reduced construction cost.
Drawings
Fig. 1 is an installation schematic diagram of a cofferdam structure without an internal support type steel sheet pile of the utility model;
fig. 2 is a schematic structural view of a cofferdam structure without an internal support type steel sheet pile of the present invention;
wherein: 1. the pier comprises a pier body, 2 parts of a bearing platform, 3 parts of a cushion layer, 4 parts of a containment steel sheet pile, 5 parts of an outer support steel sheet pile, 6 parts of a soil body, 7 parts of a corner pile.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The utility model discloses a concrete implementation mode is: as shown in fig. 1-2, a cofferdam structure without an inner support type steel sheet pile comprises a containment steel sheet pile 4, a corner pile 7, an outer support steel sheet pile 5 and a foundation pit which are arranged at the side of a pier body 1, the pier body 1 is arranged in a foundation pit, the side wall of the foundation pit is a soil body 6, the bottom of the pier body 1 is provided with a bearing platform 2, the bottom of the bearing platform 2 is provided with a cushion layer 3, the enclosure steel sheet piles 4 are arranged along the periphery of the pier body 1 to form a closed edge enclosure structure, the outer supporting steel sheet pile 5 is arranged between the enclosure steel sheet pile 4 and the foundation pit, the outer supporting steel sheet pile 5 is vertically arranged with each side surface of the enclosure steel sheet pile 4, the enclosure steel sheet piles 4 are connected with the enclosure steel sheet piles 4 through the corner piles 7, and the outer support steel sheet piles 5 are connected with the enclosure steel sheet piles 4 through the corner piles 7, so that effective connection between the enclosure steel sheet piles 4 which are vertically arranged adjacently is guaranteed, and reliable connection between the outer support steel sheet piles 5 and the enclosure steel sheet piles 4 is guaranteed.
The utility model discloses it is further, outer support steel sheet pile 5 forms adjacent two by a plurality of U shaped steel sheet pile combination with enclosure steel sheet pile 4U shaped steel sheet pile opening opposite direction.
The utility model discloses it is further, corner pile 7 is T type structure, guarantees effective connection.
The utility model discloses it is further, the top setting of enclosure steel sheet pile 4 exceeds ground position to border the enclosure structure as the foundation ditch.
The utility model discloses it is further, in outer support steel sheet pile 5 inlayed the earth, the top of outer support steel sheet pile 5 is less than the top position of enclosing steel sheet pile 4, keeps the parallel and level with the construction way, and the construction vehicle of being convenient for is current.
The utility model discloses it is further, the 5 figure of outer support steel sheet pile of 4 per sides of enclosure steel sheet pile are two at least.
The utility model discloses it is further, the outer support steel sheet pile 5 of 4 every sides of enclosure steel sheet pile evenly sets up along 4 sides of enclosure steel sheet pile.
The utility model discloses it is further, the long limit department of enclosure steel sheet pile 4 evenly sets up 3 rows of outer supporting steel sheet piles 5, and the minor face evenly sets up 2 rows of outer supporting steel sheet piles 5.
The utility model discloses a theory of operation is: firstly, measuring and lofting along a foundation pit excavation line, constructing a protective steel sheet pile 4 cofferdam along a 'mouth' path from one side along the side line of the foundation pit, adopting a T-shaped corner pile 7 at the corner and the position of an outer supporting steel sheet pile 5, constructing the T-shaped corner pile 7 when the protective steel sheet pile 4 is constructed to the corner or the position of the outer supporting steel sheet pile 5, ensuring the reliable connection between the protective steel sheet piles 4 and between the protective steel sheet pile 4 and the outer supporting steel sheet pile 5, ensuring the pile top of the protective steel sheet pile 4 to be higher than the ground by a certain height to be used as an adjacent protective structure of the foundation pit, embedding the outer supporting steel sheet pile 5 into a soil body 6, ensuring the pile top surface to be lower than the height of the protective steel sheet pile 4 cofferdam and to be level with a construction sidewalk for facilitating the passing of construction vehicles, adopting the T-shaped corner pile 7 at the corner, ensuring the effective connection between the adjacent vertically arranged protective steel sheet piles 4, adopting the T-shaped corner pile 7 at the position of the outer supporting steel sheet pile 5, the outer supporting steel sheet pile 5 is conveniently and reliably connected with the enclosing steel sheet pile 4, the outer supporting steel sheet pile 5 is embedded and fixed in the soil body 6 to form a whole, a lateral anchoring effect is provided for the enclosing steel sheet pile 4 through the embedding effect of the outer supporting steel sheet pile 5 and the soil body 6, the rigidity of the enclosing steel sheet pile 4 is increased, and the lateral pressure of the soil body is resisted.
While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.
Claims (8)
1. The utility model provides a support type steel sheet pile cofferdam structure in not having, its characterized in that, including setting up at the fender steel sheet pile, corner pile, outer support steel sheet pile, the foundation ditch of pier shaft side, the pier shaft sets up in the foundation ditch, the foundation ditch lateral wall is the soil body, pier shaft bottom is equipped with the cushion, the cushion bottom is equipped with the bed course, the fender steel sheet pile sets up along pier shaft periphery and forms and faces limit enclosure structure, outer support steel sheet pile sets up between fender steel sheet pile and foundation ditch, outer support steel sheet pile sets up with every side of fender steel sheet pile is perpendicular, be connected through the corner pile between fender steel sheet pile and the fender steel sheet pile, between outer support steel sheet pile and the fender steel sheet pile.
2. The cofferdam structure with no inner support type steel sheet piles as claimed in claim 1, wherein the outer support steel sheet piles and the enclosure steel sheet piles are formed by combining a plurality of U-shaped steel sheet piles, and the opening directions of two adjacent U-shaped steel sheet piles are opposite.
3. The internally-supportless steel sheet pile cofferdam structure of claim 1, wherein said corner piles are T-shaped structures.
4. The internally-supportless steel sheet pile cofferdam structure of claim 1, wherein the top of said containment steel sheet pile is positioned above ground level.
5. The internally-supported-free steel plate pile cofferdam structure of claim 1, wherein the externally-supported steel plate pile is embedded in the soil, and the top of the externally-supported steel plate pile is lower than the top of the enclosing steel plate pile and is level with the construction pavement.
6. The internally-supportless steel plate pile cofferdam structure of claim 1, wherein the number of the externally-supported steel plate piles at each side of said containment steel plate piles is at least two rows.
7. The internally-supportless steel plate pile cofferdam structure of claim 6, wherein the external supporting steel plate piles at each side of said containment steel plate pile are uniformly arranged along the side of the containment steel plate pile.
8. The cofferdam structure of steel sheet piles without internal support according to claim 7, wherein 3 rows of external support steel sheet piles are uniformly arranged at the long side of the containment steel sheet piles, and 2 rows of external support steel sheet piles are uniformly arranged at the short side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023142303.7U CN214657147U (en) | 2020-12-23 | 2020-12-23 | Inner support-free steel sheet pile cofferdam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023142303.7U CN214657147U (en) | 2020-12-23 | 2020-12-23 | Inner support-free steel sheet pile cofferdam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214657147U true CN214657147U (en) | 2021-11-09 |
Family
ID=78502152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023142303.7U Active CN214657147U (en) | 2020-12-23 | 2020-12-23 | Inner support-free steel sheet pile cofferdam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214657147U (en) |
-
2020
- 2020-12-23 CN CN202023142303.7U patent/CN214657147U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106677189B (en) | A kind of taper pile wall supporting type foundation pit supporting construction and its construction method | |
| CN211257026U (en) | Steel sheet pile cofferdam | |
| CN103243678B (en) | Mole | |
| CN107816050B (en) | Concrete cofferdam and earth-rock cofferdam combined cofferdam and construction method thereof | |
| CN212103878U (en) | Breakwater component and breakwater structure thereof | |
| CN214657147U (en) | Inner support-free steel sheet pile cofferdam structure | |
| CN112627208B (en) | Assembled cofferdam suitable for rock foundation and construction method thereof | |
| CN211646245U (en) | High-pile wharf and breakwater structure | |
| CN212477620U (en) | Structure for building gravity dam on deep and thick covering layer | |
| CN105507205B (en) | It is a kind of that the provisional flood control barrier that bag and gate steelframe are built is charged using geotechnique | |
| CN205329631U (en) | Utilize geotechnique to fill and irritate a bag and a provisional flood control barrier that shaped steel frame was built | |
| CN210369068U (en) | A synthesize protective structure for facing sea environment subway station open cut deep basal pit | |
| CN103758080B (en) | Overhead type disappears unrestrained sightseeing platform structure | |
| CN110331701A (en) | Integral prefabricated type sluice chamber structure and its construction method on a kind of soft soil foundation | |
| CN214245783U (en) | Assembled double-wall steel sleeve box | |
| CN210712864U (en) | Deep foundation pit supporting system of Larsen steel sheet pile and cement mixing pile for soft soil field | |
| CN111827303B (en) | Backfill-free foundation pit permanent support system and construction method thereof | |
| CN212452708U (en) | Water stop structure for construction of low pile cap of shallow covering layer area | |
| CN210369002U (en) | Double-layer anti-scouring cofferdam for pier | |
| CN212452672U (en) | Novel double steel sheet pile foundation pit supporting structure | |
| CN113481932B (en) | High pile cap type seawall | |
| CN211446797U (en) | Seawall ecological face guard structure | |
| CN215801679U (en) | Bias pressure foundation pit double-layer pipe pile and steel sheet pile combined enclosing structure | |
| CN214401807U (en) | Tongue-and-groove type water-stopping combined cast-in-situ bored pile foundation pit supporting structure | |
| CN210177517U (en) | Offshore deep foundation pit pile-wall integrated enclosure structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |