CN220978076U - Island-building cofferdam system utilizing steel pile casing drawknot steel sheet pile - Google Patents
Island-building cofferdam system utilizing steel pile casing drawknot steel sheet pile Download PDFInfo
- Publication number
- CN220978076U CN220978076U CN202322995011.5U CN202322995011U CN220978076U CN 220978076 U CN220978076 U CN 220978076U CN 202322995011 U CN202322995011 U CN 202322995011U CN 220978076 U CN220978076 U CN 220978076U
- Authority
- CN
- China
- Prior art keywords
- steel
- pile
- steel sheet
- island
- building
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 163
- 239000010959 steel Substances 0.000 title claims abstract description 163
- 238000010276 construction Methods 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model provides an island-building cofferdam system using steel pile casings to tie steel sheet piles, which relates to the technical field of cofferdam construction and comprises steel sheet piles and steel pile casings, wherein the steel sheet piles are arranged on border lines of island-building areas, the steel sheet piles are connected with enclosing purlins, the enclosing purlins are clung to the steel sheet piles to the outer sides of the island, through holes are formed in the steel sheet piles and the enclosing purlins, the steel pile casings are arranged on the inner sides of the steel sheet piles towards the island, screw bars are fixedly connected with the steel pile casings, one ends of the screw bars, far away from the steel pile casings, penetrate through the through holes in the steel sheet piles and the enclosing purlins to reach the outer sides of the steel sheet piles, one ends of the screw bars, far away from the steel pile casings, are fixedly connected with the steel pile casings by nuts, and building fillers are filled in island-building areas surrounded by the steel sheet piles. According to the special structural design, the novel steel pile casing drawknot steel sheet pile drawknot structure is adopted, so that the problems of serious material waste, small cofferdam rigidity, insufficient stability, insufficient safety and the like in the island cofferdam building process can be effectively solved.
Description
Technical Field
The utility model relates to the technical field of cofferdam construction, in particular to an island-building cofferdam system utilizing steel pile casing drawknot steel sheet piles.
Background
In order to meet the requirements of river flow water and navigation, construction of river-crossing bridges often faces the problems of construction channels, construction platforms and the like, and islands are usually required to be built in river channels so as to ensure smooth construction of bridge pile foundations. At present, the commonly used island construction mode for bridge pile foundation construction mainly comprises a steel pipe pile drilling platform, a Larson steel sheet pile cofferdam, earth stones, sand bags, an earth cofferdam and other gravity cofferdams. However, the existing island building method has the problems of high cost, insufficient stability, long construction period, incapability of recycling cofferdam materials and the like.
How to solve the technical problems is the subject of the present utility model.
Disclosure of utility model
In order to solve the defects in the prior art, the island-building cofferdam system utilizing the steel pile is reasonable in design, simple in structure, safe and reliable, capable of enhancing the overall rigidity and stability of the steel pile, improving the pile foundation construction safety and improving the cofferdam construction economy.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an island-building cofferdam system using steel pile casing and drawknot steel sheet piles, which comprises steel sheet piles and steel pile casings, wherein the steel sheet piles are arranged on the border line of an island-building area, the steel sheet piles are connected with enclosing purlins, and the enclosing purlins are clung to the steel sheet piles to the outer side of an island; the steel pile is arranged on the inner side of the steel sheet pile facing the island, the steel pile is fixedly connected with a screw reinforcement, and the steel sheet pile is connected with the steel pile through the screw reinforcement; and building fillers are filled in the island building area surrounded by the steel sheet piles.
Further, the enclosing purlin is provided with three layers, a plurality of through holes are formed in the steel sheet pile and the enclosing purlin, and the diameter of each through hole is larger than that of each twisted steel; the steel sheet pile is fixedly connected with a bracket, and the bracket is positioned on the enclosing purlin below the through hole.
Further, the steel pile casing is provided with a plurality of steel pile casings, the steel pile casings are fixedly connected with the threaded steel bars in a winding manner, one ends of the threaded steel bars, far away from the steel pile casings, penetrate through the steel sheet piles and the through holes in the enclosing purlins to reach the outside of the island, one ends of the threaded steel bars, far away from the steel pile casings, are in threaded connection with nuts, and the threaded steel bars are matched with the nuts to fixedly connect the steel sheet piles and the steel pile casings; the steel casing is perpendicular to the plane of the building filler.
Further, the number of the screw thread steel bars is not less than three, and each layer of screw thread steel bars is provided with a plurality of screw thread steel bars and is paved in the vertical direction; the axis of the twisted steel bar is perpendicular to the steel sheet pile and parallel to the surface of the building filler.
Further, the building filler comprises building slag, fly ash or soil.
The beneficial effects of the utility model are as follows: the steel pile is utilized to tie the steel sheet pile outside, the steel sheet pile is applied with a tie force, the integral rigidity and stability of the steel sheet pile are enhanced, the steel sheet pile is prevented from being bent when island filling is performed, the height reduction of a cantilever of the steel sheet pile is ensured, the pile foundation construction safety is improved, island building cofferdam materials such as the steel pile, the steel sheet pile and the enclosing purlin can be recycled, the cost is saved, the economy of island building cofferdam construction is improved, and the material waste is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is an outer schematic view of a steel sheet pile according to the present utility model.
Wherein, the reference numerals are as follows: 1. steel sheet piles; 2. a steel pile casing; 3. screw-thread steel bar; 4. building filler; 5. enclosing purlin; 6. a bracket; 7. and (3) a nut.
Detailed Description
Technical characteristics of the present solution can be clearly illustrated, and the present solution is illustrated below by means of specific embodiments.
Referring to fig. 1 to 3, this embodiment is an island-building cofferdam system using steel pile-casing drawknot steel sheet piles, comprising steel sheet piles 1 and steel pile-casings 2, wherein the steel sheet piles 1 are arranged on the border of island-building areas, the steel sheet piles 1 are connected with enclosing purlins 5, the enclosing purlins 5 are tightly attached to the steel sheet piles 1 to the outside of the island, the enclosing purlins 5 are provided with three layers, the steel sheet piles 1 are fixedly connected with corbels 6, a plurality of through holes are formed in the steel sheet piles 1 and the enclosing purlins 5, the steel pile-casings 2 are arranged on the inner side of the steel sheet piles 1 to the island, the steel pile-casings 2 are provided with a plurality of screw steel bars 3, the screw steel bars 3 are fixedly connected with the screw steel bars 3, the screw steel bars 3 are provided with not less than three layers, each layer of screw steel bars 3 are provided with a plurality of screw steel bars, and are laid in the vertical direction, the diameter of the through holes is larger than the diameter of the screw steel bars 3, the corbels 6 are positioned below the through holes on the enclosing purlins 5, the one end that the screw thread reinforcing bar 3 kept away from steel pile casing 2 runs through the through-hole on steel sheet pile 1 and the enclosing purlin 5 and arrives to the island outside of building, screw thread reinforcing bar 3 keeps away from the one end threaded connection of steel pile casing 2 has nut 7, screw thread reinforcing bar 3 cooperation nut 7 fixed connection steel sheet pile 1 and steel pile casing 2, building filler 4 has been filled in the island district that steel pile 1 surrounded, steel pile casing 2 is perpendicular with building filler 4 plane, screw thread reinforcing bar 3's axial lead is perpendicular with steel pile 1, and parallel with building filler 4 surface, steel pile 1 material is Lasen steel sheet pile 1, length is 12 meters, steel pile casing 2 diameter is 2 meters, wall thickness 2 centimetres, screw thread reinforcing bar 3 material is phi 25 finish rolling screw thread reinforcing bar 3, enclosing purlin 5 material is 14a channel steel, bracket 6 material is Q2335 steel sheet, nut 7 is finish rolling screw thread steel nut 7, building filler 4 includes building dregs, fly ash or earth.
The utility model is used when in use: the method comprises the steps of setting out the insertion and edge line of a steel sheet pile 1 and the filling edge line of a building filler 4 in an island-building cofferdam area, filling the building filler 4 to the elevation of 2.7 meters, completing construction platform construction of the steel sheet pile 1, inserting and driving the steel sheet pile 1 along the limit of the steel sheet pile 1, setting out the embedded position of a steel pile casing 2, burying an outermost steel pile casing 2, winding one end of a threaded reinforcing steel bar 3 onto the outermost steel pile casing 2 for welding, enabling the other end to pass through holes of the steel sheet pile 1 and an enclosing purlin 5, reaching the outer side of the steel sheet pile 1, fixedly connecting the steel sheet pile 1 and the steel pile casing 2 together by matching nuts 7, filling the building filler 4 to the elevation of 5.1 meters, completing island-building, inserting and driving other steel pile casings 2, and after pile foundation building, removing the filling, and the facilities such as the steel pile 1 and the steel pile casing 2 can be disassembled for turnover utilization.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (5)
1. The island-building cofferdam system is characterized by comprising steel sheet piles (1) and steel pile casings (2), wherein the steel sheet piles (1) are arranged on border lines of island-building areas, the steel sheet piles (1) are connected with enclosing purlins (5), and the enclosing purlins (5) are clung to the steel sheet piles (1) to the outer sides of the island;
the steel pile (2) is arranged on the inner side of the steel sheet pile (1) facing the island, the steel pile (2) is fixedly connected with a screw reinforcement (3), and the steel sheet pile (1) is connected with the steel pile (2) through the screw reinforcement (3);
and building fillers (4) are filled in the island building area surrounded by the steel sheet piles (1).
2. The island-building cofferdam system using steel pile casing and drawknot steel sheet piles according to claim 1, wherein the enclosing purlin (5) is provided with three layers, a plurality of through holes are formed in the steel sheet piles (1) and the enclosing purlin (5), and the diameter of each through hole is larger than that of each twisted steel (3);
the steel sheet pile (1) is fixedly connected with a bracket (6), and the bracket (6) is positioned on the enclosing purlin (5) below the through hole.
3. Island-building cofferdam system using steel pile-protecting drawknot steel sheet pile according to claim 2, characterized in that the steel pile-protecting (2) is provided with a plurality of steel pile-protecting (2) winding fixedly connected with the screw-thread steel bars (3), one end of the screw-thread steel bars (3) far away from the steel pile-protecting (2) penetrates through the through holes on the steel pile (1) and the enclosing purlin (5) to reach the island-building outside, one end of the screw-thread steel bars (3) far away from the steel pile-protecting (2) is connected with nuts (7) through threads, and the screw-thread steel bars (3) are matched with the nuts (7) to fixedly connect the steel pile (1) and the steel pile-protecting (2);
the steel pile casing (2) is perpendicular to the plane of the building filler (4).
4. An island-building cofferdam system utilizing steel pile casing drawknot steel sheet piles according to claim 3, wherein a plurality of screw thread steel bars (3) are arranged, the screw thread steel bars (3) are arranged in at least three layers, each layer of screw thread steel bars (3) is provided with a plurality of screw thread steel bars, and the screw thread steel bars are paved in the vertical direction;
the axial lead of the twisted steel (3) is perpendicular to the steel sheet pile (1) and parallel to the surface of the building filler (4).
5. An island-building cofferdam system utilizing steel pile-casing drawknot steel sheet piles in accordance with claim 1, wherein the construction filler (4) comprises construction slag, fly ash or earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322995011.5U CN220978076U (en) | 2023-11-06 | 2023-11-06 | Island-building cofferdam system utilizing steel pile casing drawknot steel sheet pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322995011.5U CN220978076U (en) | 2023-11-06 | 2023-11-06 | Island-building cofferdam system utilizing steel pile casing drawknot steel sheet pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220978076U true CN220978076U (en) | 2024-05-17 |
Family
ID=91066387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322995011.5U Active CN220978076U (en) | 2023-11-06 | 2023-11-06 | Island-building cofferdam system utilizing steel pile casing drawknot steel sheet pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220978076U (en) |
-
2023
- 2023-11-06 CN CN202322995011.5U patent/CN220978076U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215715494U (en) | Partially prefabricated offshore high pile cap | |
| CN203222809U (en) | Pre-stressed concrete pipe pile foundation for pole and tower of power transmission line | |
| CN114263211A (en) | Retaining wall and construction method thereof | |
| CN208884515U (en) | A kind of steel-pipe pile pile cover structure | |
| CN220978076U (en) | Island-building cofferdam system utilizing steel pile casing drawknot steel sheet pile | |
| CN217517602U (en) | Nearly river dike underground structure | |
| CN213926387U (en) | Simple plugging structure for reserved sleeve of underground structure outer wall | |
| CN201635072U (en) | Centrally grouted static-pressured anchor pile former | |
| CN212506307U (en) | Combined supporting structure of inclined tubular pile and vertical bamboo joint pile | |
| CN211713955U (en) | Slip casting type steel pipe screw pile | |
| CN114108652A (en) | Barrier-removing and pile-forming integrated construction method for foundation pit support structure containing confined water layer | |
| CN113897945A (en) | Ground-connecting wall combined connecting structure and construction method | |
| CN109339040B (en) | Prefabricated wedge-shaped pipe wall opening hollow pile and pile splicing method thereof | |
| CN112982395A (en) | Stiff composite pile body anchor rod device and construction process | |
| CN209816867U (en) | A supporting construction for peripheral foundation ditch of existing building | |
| CN220058050U (en) | Prefabricated assembled open caisson slip casting drag reduction structure | |
| CN113090066A (en) | Construction method for newly added entrances and exits of existing buildings and elevator shaft | |
| CN201495554U (en) | Anchor bolt combination excavating compound base | |
| CN116657675B (en) | Construction method for anti-floating reinforcement of thin bottom plate of subway station foundation pit in high water level area | |
| CN110984139A (en) | Grouting type steel pipe screw pile and construction method thereof | |
| CN217460688U (en) | Connecting device for uplift pile and water-resistant plate | |
| CN216739218U (en) | Connecting device of steel pipe concrete pier stud and precast concrete bent cap | |
| CN217870943U (en) | Connecting joint using prefabricated pipe pile as column | |
| CN220598371U (en) | Precast concrete shaped steel wave eliminating structure utilizing tire | |
| CN219973277U (en) | Economical and stable deep soft foundation high-soil-retaining hydraulic wing wall system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |