CN211257026U - Steel sheet pile cofferdam - Google Patents
Steel sheet pile cofferdam Download PDFInfo
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- CN211257026U CN211257026U CN201922021827.1U CN201922021827U CN211257026U CN 211257026 U CN211257026 U CN 211257026U CN 201922021827 U CN201922021827 U CN 201922021827U CN 211257026 U CN211257026 U CN 211257026U
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- cofferdam
- steel sheet
- sheet pile
- purlin
- supporting beam
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Abstract
The utility model relates to a steel sheet pile cofferdam, it includes a plurality of steel sheet piles, and a plurality of steel sheet piles connect gradually and form square cofferdam, and the inboard of cofferdam is provided with around the ring and encloses the purlin, encloses the inboard corner of purlin and is provided with the gusset, encloses to be connected with a supporting beam between the inboard both sides of purlin, a supporting beam and enclose and be provided with the pull rod between the purlin, and a supporting beam is worn to locate by the pull rod and the both ends of enclosing purlin and pull rod run through in the outside of cofferdam. The utility model discloses have good structural strength and structural firmness, can adapt to the oppression power of the water layer or the soil layer that deep construction received, non-deformable, factor of safety is high.
Description
Technical Field
The utility model belongs to the technical field of the technique in cofferdam and specifically relates to a steel sheet pile cofferdam is related to.
Background
The water conservancy and hydropower, water transportation port engineering, civil engineering and other engineering constructed near water all need to be provided with a construction cofferdam for retaining water before construction to form a foundation pit for dry land construction, and the cofferdam type mainly comprises an earth rock cofferdam structure, a steel sheet pile structure, a bagged earth cofferdam structure, a bagged sand cofferdam structure and a double-row steel sheet pile lattice cofferdam structure according to the cofferdam structure.
At present, steel sheet pile cofferdams are used more, the steel sheet pile cofferdams have the advantages of being high in strength, good in waterproof performance, easy to install and the like, cofferdams with various shapes can be formed according to requirements, the cofferdams can be used repeatedly, and the purposes are wide.
However, sometimes, the installation depth is deep during construction, the bearing area of the steel sheet pile is large, the cofferdam may deform to cause safety accidents, and how to improve the supporting firmness of the steel sheet pile is a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel sheet pile cofferdam, its advantage lies in: the steel-pipe column cofferdam overall structure is firm, and structural strength is higher, non-deformable.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a steel sheet pile cofferdam, includes a plurality of steel sheet piles, and is a plurality of the steel sheet pile connects gradually and forms the rectangle cofferdam, the inboard of cofferdam is provided with around the ring and encloses the purlin, it is provided with the gusset to enclose the inboard corner of purlin, it is connected with a supporting beam to enclose between the inboard both sides of purlin, a supporting beam with enclose and be provided with the pull rod between the purlin, the pull rod is worn to locate a supporting beam with enclose the purlin just the both ends of pull rod run through in the outside of cofferdam.
Through adopting above-mentioned technical scheme, a plurality of steel sheet piles connect gradually and form the cofferdam, enclose the purlin and be used for consolidating the overall structure in cofferdam, make the side in cofferdam keep being the plane, avoid misplacing between the steel sheet pile and lead to cofferdam structural strength to reduce, gusset and a supporting beam can support and consolidate enclosing the purlin, the structural strength who encloses the purlin has been improved, and then the holistic structural strength in cofferdam has been improved, the pull rod is used for consolidating supporting beam and enclosing the being connected of purlin, avoid supporting beam not hard up, also can make simultaneously enclosing the purlin firmly connect in the cofferdam, cofferdam overall structure's fastness has been improved.
The utility model discloses further set up to: and a reinforcing rod is arranged between the supporting beam and the surrounding purlin.
Through adopting above-mentioned technical scheme, the stiffener can further improve a supporting beam and enclose the fastness of being connected between the purlin, avoids a supporting beam not hard up, has improved a supporting beam to the supporting effect of enclosing the purlin.
The utility model discloses further set up to: and a support column is connected between the support beam and the ground.
Through adopting above-mentioned technical scheme, the support column can further support a supporting beam, makes a supporting beam keep fixed, has improved a supporting effect of supporting beam to enclosing the purlin.
The utility model discloses further set up to: the enclosing purlins are at least two from top to bottom in parallel, and supporting rods are vertically connected between every two adjacent enclosing purlins.
Through adopting above-mentioned technical scheme, the bracing piece can support and consolidate enclosing the purlin, has improved the fastness of enclosing the purlin, and then has improved cofferdam overall structure's fastness.
The utility model discloses further set up to: the steel sheet pile comprises a main board and two side boards, wherein one side edge of each side board is connected to the two side edges of the main board respectively, the two side boards are located on the same side of the main board and are gradually far away from the main board along the direction far away from the main board, U-shaped locking notches are formed in one side edge of each side board far away from the main board, and two adjacent steel sheet piles are connected through the U-shaped locking notches.
By adopting the technical scheme, the U-shaped locking notches of the two adjacent steel sheet piles are locked, so that the two steel sheet piles are firmly connected, the overall structure of the cofferdam is kept firm, meanwhile, the U-shaped locking notches are convenient to disassemble and assemble the cofferdam, the cofferdam is convenient to recycle, and the cost is saved.
The utility model discloses further set up to: and a sealing plate is connected between every two adjacent U-shaped locking notches.
Through adopting above-mentioned technical scheme, the closing plate is used for sealing up the junction between the U-shaped fore shaft, prevents that the junction of adjacent steel sheet pile from taking place the seepage, also can further consolidate the cofferdam simultaneously, has improved cofferdam overall structure's fastness.
The utility model discloses further set up to: and the middle part of the sealing plate is provided with a reinforcing rib along the vertical direction.
Through adopting above-mentioned technical scheme, the strengthening rib can improve the structural strength of closing plate, avoids the closing plate to receive the extrusion of water layer or soil layer and warp.
To sum up, the utility model discloses a beneficial technological effect does:
the enclosing purlin can reinforce the overall structure of the cofferdam, so that the side face of the cofferdam is kept as a plane, the structural strength reduction of the cofferdam caused by dislocation between steel sheet piles is avoided, the angle brace and the supporting beam can support and reinforce the enclosing purlin, the structural strength of the enclosing purlin is improved, the overall structural strength of the cofferdam is further improved, the pull rod can reinforce the connection between the supporting beam and the enclosing purlin, the supporting beam is prevented from loosening, meanwhile, the enclosing purlin can be firmly connected to the cofferdam, and the firmness of the overall structure of the cofferdam is improved;
the reinforcing rods can improve the firmness of connection between the supporting beams and the surrounding purlins, prevent the supporting beams from loosening and improve the supporting effect of the supporting beams on the surrounding purlins;
the supporting columns can further support the supporting beams, so that the supporting beams are fixed, and the supporting effect of the supporting beams on the purlin is improved;
the bracing piece can support and consolidate enclosing the purlin, has improved enclosing the fastness of purlin, and then has improved cofferdam overall structure's fastness.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic view of another perspective of the present invention.
In the figure, 1, cofferdam; 2. steel sheet piles; 21. a main board; 22. a side plate; 23. a U-shaped locking notch; 3. enclosing purlins; 31. corner brace; 4. a support beam; 5. a pull rod; 6. a reinforcing bar; 7. a support pillar; 8. a support bar; 9. a sealing plate; 91. and (5) reinforcing ribs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a steel sheet pile cofferdam, including a plurality of steel sheet piles 2, a plurality of steel sheet piles 2 connect gradually form the cofferdam 1 of a rectangle.
Referring to fig. 2, each steel sheet pile 2 includes a rectangular main plate 21 and two rectangular side plates 22, one side of each of the two side plates 22 is connected to each of two sides of the main plate 21, the two side plates 22 are located on the same side of the main plate 21 and gradually separated from each other along a direction away from the main plate 21, and the main plate 21 and the two side plates 22 are integrated. One side edge of each of the two side plates 22, which is far away from the main plate 21, is integrally formed with a U-shaped locking notch 23, and openings of the two U-shaped locking notches 23 on the same steel sheet pile 2 are arranged oppositely.
Through locking the U-shaped fore shaft 23 of two adjacent steel sheet piles 2 mutually, make two steel sheet piles 2 firmly connect, make the overall structure of cofferdam 1 keep firm, the setting of U-shaped fore shaft 23 is also convenient for carry out the dismouting to cofferdam 1 simultaneously, and convenient transportation installation to in steel sheet pile 2 reuse has saved a large amount of costs.
Referring to fig. 1 and 3, two surrounding purlins 3 are horizontally arranged on the upper portion and the lower portion of the inner side of the cofferdam 1 along the circumference, and the surrounding purlins 3 are made of h-shaped steel and are fixedly connected with the cofferdam 1 through bolts. Enclosing purlin 3 is used for strengthening the overall structure of cofferdam 1, makes the side of cofferdam 1 keep for the plane, avoids misplacing between steel sheet pile 2 and leads to cofferdam 1 structural strength to reduce.
Every encloses four corners of purlin 3 inboard and all has a gusset 31 through bolt fixed mounting, and gusset 31 is made by the I-steel and through bolt fixed connection in enclosing purlin 3. Every encloses and all is connected with many supporting beam 4 between the 3 inside walls of purlin, and every 3 inboard installation's of purlin supporting beam 4's of enclosing quantity is two in this embodiment, and a supporting beam 4 is made by the I-steel, and every supporting beam 4 and enclose all be connected with a pull rod 5 between the purlin 3, and a supporting beam 4 is worn to locate by pull rod 5 and runs through in the outside of cofferdam 1 at the both ends of enclosing purlin 3 and pull rod 5.
The angle brace 31 and the supporting beam 4 are used for supporting and reinforcing the surrounding purlin 3, so that the structural strength of the surrounding purlin 3 is improved, the overall structural strength of the cofferdam 1 is improved, the pull rod 5 is used for reinforcing the supporting beam 4 and the surrounding purlin 3, the supporting beam 4 is prevented from loosening, meanwhile, the surrounding purlin 3 can be firmly connected to the cofferdam 1, and the firmness of the overall structure of the cofferdam 1 is improved.
Every supporting beam 4 and enclose all be connected with stiffener 6 between the purlin 3, stiffener 6 is made by the I-steel, and bolt fixed connection is passed through in the inboard of enclosing purlin 3 to the one end of stiffener 6, and bolt fixed connection is passed through in the lateral wall of a supporting beam 4 to the other end of stiffener 6. The reinforcing rod 6 can further improve the firmness of connection between the supporting beam 4 and the surrounding purlin 3, and further improve the supporting effect of the supporting beam 4 on the surrounding purlin 3.
The utility model discloses a cofferdam 1, including cofferdam 1, support beam 4, support column 7, bolt fixed connection, support beam 4 and the ground, the support beam is vertically connected with columniform support column 7 between support beam 4 and the ground, and bolt fixed connection is passed through in the lower surface of support beam 4 on cofferdam 1 upper portion to the one end of support column 7, and support beam 4 and the inserting of support column 7. The supporting columns 7 can further support the supporting beams 4, so that the supporting beams 4 are kept fixed, and the supporting effect of the supporting beams 4 on the surrounding purlin 3 is improved.
Two enclose between the purlin 3 vertically be connected with many spinal branchs by the bracing piece 8 that the I-steel was made, the quantity of bracing piece 8 is four in this embodiment, and four bracing pieces 8 are located the middle part of 1 inboard four faces in cofferdam respectively, and bolt fixed connection is passed through in enclosing purlin 3 respectively at the both ends of bracing piece 8. The bracing piece 8 can support and consolidate enclosing purlin 3, has improved enclosing purlin 3's fastness, and then has improved 1 overall structure's of cofferdam fastness.
Referring to fig. 2, a rectangular sealing plate 9 is connected between two adjacent U-shaped locking notches 23, one side of the sealing plate 9 is welded to the U-shaped locking notch 23, and the other side of the sealing plate 9 is welded to the side plate 22 of the adjacent steel sheet pile 2. The sealing plate 9 is used for sealing the joint between the U-shaped locking notches 23, preventing the joint of the adjacent steel sheet piles 2 from leaking, and meanwhile, the cofferdam 1 can be further reinforced, so that the firmness of the overall structure of the cofferdam 1 is improved.
The middle part of every closing plate 9 all has a cross-section along vertical direction integrated into one piece to be circular shape strengthening rib 91, and strengthening rib 91 can improve closing plate 9's structural strength, avoids closing plate 9 to receive the extrusion of water layer or soil layer and warp.
The implementation principle of the embodiment is as follows: through setting up purlin 3 and consolidating the overall structure of cofferdam 1, make the side of cofferdam 1 keep for the plane, avoid misplacing between steel sheet pile 2 and lead to cofferdam 1 structural strength to reduce. Through setting up gusset 31 and a supporting beam 4 and supporting and consolidating enclosing purlin 3, improved and enclosed purlin 3's structural strength, and then improved 1 holistic structural strength in cofferdam. Through setting up pull rod 5 and strengthening supporting beam 4 and enclosing purlin 3's being connected, also make enclosing purlin 3 firmly connect in cofferdam 1 simultaneously, improved 1 overall structure's of cofferdam fastness.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a steel sheet pile cofferdam, includes a plurality of steel sheet pile (2), a plurality of steel sheet pile (2) connect gradually and form rectangle cofferdam (1), its characterized in that: the inner side of the cofferdam (1) is provided with surrounding purlins (3) along the periphery of the ring, corners of the inner side of the surrounding purlins (3) are provided with corner braces (31), a supporting beam (4) is connected between two sides of the inner side of the surrounding purlins (3), the supporting beam (4) and a pull rod (5) are arranged between the surrounding purlins (3), the pull rod (5) is arranged in a penetrating mode on the supporting beam (4) and the surrounding purlins (3) and the two ends of the pull rod (5) penetrate through the outer side of the cofferdam (1).
2. The steel sheet pile cofferdam of claim 1, wherein: and a reinforcing rod (6) is arranged between the supporting beam (4) and the surrounding purlin (3).
3. The steel sheet pile cofferdam of claim 1, wherein: and a support column (7) is connected between the support beam (4) and the ground.
4. The steel sheet pile cofferdam of claim 1, wherein: the enclosing purlins (3) are at least arranged in parallel from top to bottom, and a support rod (8) is vertically connected between every two adjacent enclosing purlins (3).
5. The steel sheet pile cofferdam of claim 1, wherein: the steel sheet pile (2) comprises a main board (21) and two side boards (22), wherein one side edge of each side board (22) is connected to two side edges of the main board (21), the two side boards (22) are located on the same side of the main board (21) and are gradually far away from the main board (21) along the direction, the two side boards (22) are far away from one side edge of the main board (21) and are provided with U-shaped locking notches (23), and the two adjacent steel sheet piles (2) are connected through the U-shaped locking notches (23).
6. The steel sheet pile cofferdam of claim 5, wherein: a sealing plate (9) is connected between two adjacent U-shaped locking notches (23).
7. The steel sheet pile cofferdam of claim 6, wherein: and a reinforcing rib (91) is arranged in the middle of the sealing plate (9) along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021827.1U CN211257026U (en) | 2019-11-21 | 2019-11-21 | Steel sheet pile cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021827.1U CN211257026U (en) | 2019-11-21 | 2019-11-21 | Steel sheet pile cofferdam |
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| Publication Number | Publication Date |
|---|---|
| CN211257026U true CN211257026U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922021827.1U Active CN211257026U (en) | 2019-11-21 | 2019-11-21 | Steel sheet pile cofferdam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073667A (en) * | 2021-04-06 | 2021-07-06 | 北京华昊水利水电工程有限责任公司 | Assembled cofferdam structure and construction method |
| CN113356247A (en) * | 2021-06-11 | 2021-09-07 | 中铁二十局集团有限公司 | Large deep foundation protective lock catch steel pipe pile cofferdam structure and construction method thereof |
| CN113818458A (en) * | 2021-09-06 | 2021-12-21 | 浙江钱塘江水利建筑工程有限公司 | Steel plate cofferdam structure |
| CN114032922A (en) * | 2021-12-13 | 2022-02-11 | 杭州森竹建设工程有限公司 | Rigid rib wall type pile wall foundation pit supporting structure and construction method |
| CN114293563A (en) * | 2022-01-12 | 2022-04-08 | 佳木斯大学 | Civil engineering is safety support structure for foundation ditch |
-
2019
- 2019-11-21 CN CN201922021827.1U patent/CN211257026U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073667A (en) * | 2021-04-06 | 2021-07-06 | 北京华昊水利水电工程有限责任公司 | Assembled cofferdam structure and construction method |
| CN113356247A (en) * | 2021-06-11 | 2021-09-07 | 中铁二十局集团有限公司 | Large deep foundation protective lock catch steel pipe pile cofferdam structure and construction method thereof |
| CN113818458A (en) * | 2021-09-06 | 2021-12-21 | 浙江钱塘江水利建筑工程有限公司 | Steel plate cofferdam structure |
| CN114032922A (en) * | 2021-12-13 | 2022-02-11 | 杭州森竹建设工程有限公司 | Rigid rib wall type pile wall foundation pit supporting structure and construction method |
| CN114293563A (en) * | 2022-01-12 | 2022-04-08 | 佳木斯大学 | Civil engineering is safety support structure for foundation ditch |
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