CN205024600U - A work platform that is used for bridge aquatic pile foundation to be under construction - Google Patents
A work platform that is used for bridge aquatic pile foundation to be under construction Download PDFInfo
- Publication number
- CN205024600U CN205024600U CN201520773037.8U CN201520773037U CN205024600U CN 205024600 U CN205024600 U CN 205024600U CN 201520773037 U CN201520773037 U CN 201520773037U CN 205024600 U CN205024600 U CN 205024600U
- Authority
- CN
- China
- Prior art keywords
- platform
- construction
- pile foundation
- steel pipe
- beams
- 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
Landscapes
- Foundations (AREA)
Abstract
The utility model relates to a work platform that is used for bridge aquatic pile foundation to be under construction adopts the steel -pipe pile basic as supporting, including main platform and assistance platform, main platform all adopts beiLei beam to establish main platform crossbeam and longeron in proper order as girder, main platform's beiLei beam top with the assistance platform, lays the main platform panel on the longeron, lay subsidiary platform crossbeam on the beiLei beam of assistance platform, lay subsidiary platform panel on the assistance platform crossbeam. The utility model discloses stability is good, is the stronger atress structure of bearing capacity with the main platform design for bear large -scale construction equipment, the construction is safe to obtain better assurance.
Description
Technical field
The utility model belongs to road and bridge pile foundation construction field, relates to a kind of job platform for the construction of bridge water pile foundation.
Background technology
Crossing bridge pile foundation in water is constructed, and needs to set up operation at sea platform, for carrying Construction of Pile Bedding Boring equipment and personnel's construction.General operation at sea platform, all adopts based on steel pipe pile, steel pipe pile adopts shaped steel set up into latticed, topmost cover plate.Typically as Chinese Patent Application No. 200920105868.2, name are called a kind of platform structure that " a kind of drilling construction platform be applicable in marine intectate situation " provides, comprise vertical fixing steel pipe pile, steel pipe pile is arranged main spandrel girder, main spandrel girder is established time spandrel girder, secondary spandrel girder establishes distribution beam, main spandrel girder, secondary spandrel girder, distribution beam all adopt shaped steel, distribution beam are laid steel plate as tabletop of platform.
Current water king-pile hole drilling construction equipment, usually all adopt churning driven, Churn drill, circulation brill etc., these equipment volume are relatively little, and deadweight is comparatively light, and the force structure of existing operation at sea work platform and supporting capacity, can meet the construction requirement of these equipment.
But existing rig, constructs, all there is inefficient defect under hard or pole hard formation geological conditions.The applicant improves the mining rotary drill of one, develops a kind of Large Diameter Reverse circulation rotary drill, can be used for constructing under hard or pole hard formation geological conditions in water, and has that boring aperture is large, piercing efficiency advantages of higher.But this equipment volume is comparatively large, conducts oneself with dignity heavier.For a kind of Large Diameter Reverse circulation rotary drill come into operation, equipment is about 12 meters, wide 5 meters, conduct oneself with dignity about 40-50T, and drilling rod is 40T heavily about, mud pit (comprising boring mud) heavily about 50T, machinery dynamic load and mud impact load are about 36T, add up to weight to be about 130T, and traditional work platform bearer ability design grade are generally 120T, therefore existing job platform can not carry the construction of this device security, makes the use of this equipment be subject to certain restriction.
Summary of the invention
The purpose of this utility model is to provide the pile foundation in water job platform that a kind of bearing capacity is stronger, structure is more firm, meets the construction needs of Large Diameter Reverse circulation rotary drill.
The technical solution of the utility model is as follows:
A kind of job platform for the construction of bridge water pile foundation, described job platform adopts steel pipe pile as brace foundation, it is characterized in that: described job platform comprises main platform and auxiliary platform, the brace foundation of described job platform comprises 4 rows and at least 4 row steel pipe piles, wherein 3 row's steel pipe piles are positioned at the side of pile foundation, as the brace foundation of described main platform, row's root steel pipe pile is positioned at the opposite side of pile foundation, as the brace foundation of described auxiliary platform; The top of each row steel pipe pile arranges a bent cap, above described bent cap, along the top of each row's steel pipe pile, arranges one group of Bailey beam; At the top of the Bailey beam of main platform side, the one main platform beams vertical with described Bailey beam is set at spacing intervals, the top of described main platform beams, arranges a longeron vertical with described main platform beams at spacing intervals, described longeron is laid main platform panel; The top of the Bailey beam of the Bailey beam in described auxiliary platform side and the main platform side adjacent with this Bailey beam, the one auxiliary platform beams vertical with described Bailey beam is set at spacing intervals, auxiliary platform panel is laid on described auxiliary platform beams top, the position of corresponding pile foundation on described auxiliary platform panel, if pile foundation construction mouth; Described main platform and described auxiliary platform end face contour.
Job platform is divided into main platform and auxiliary platform by the utility model, and is the force structure that bearing capacity is stronger by main Platform Designing, for carrying large volume, the rig of conducting oneself with dignity greatly and mud pit.Employing Bailey beam is the bridge construction form of girder, good stability, and supporting capacity is strong, and construction safety can better be ensured, follow-up bridge substructure construction can continue to use, and the rear structural meterials of completion can be reused.The utility model can meet the construction needs of Large Diameter Reverse circulation rotary drill, applies for this equipment the condition of creating.
Accompanying drawing explanation
Fig. 1 is the horizontal section structure schematic diagram of a kind of embodiment of the utility model;
Fig. 2 is plan view from above of the present utility model;
Fig. 3 is longitudinal lateral view of the utility model main platform side.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of job platform for the construction of bridge water pile foundation of the utility model, described job platform comprises main platform 100 and auxiliary platform 200, the brace foundation of described job platform comprises 4 rows and at least 4 row steel pipe piles 1, wherein 3 row's steel pipe piles are positioned at the side of pile foundation 10, as the brace foundation of described main platform 100, row's root steel pipe pile is positioned at the opposite side of pile foundation 10, as the brace foundation of described auxiliary platform 200; The top of each row steel pipe pile 1 arranges a bent cap 2, above described bent cap 2, along the top of each row's steel pipe pile 1, arranges one group of Bailey beam 3; At the top of the Bailey beam of main platform side, the one main platform beams 4 vertical with described Bailey beam is set at spacing intervals, the top of described main platform beams 4, arranges a longeron 5 vertical with described main platform beams at spacing intervals, described longeron 5 lays main platform panel 6; The top of the Bailey beam of the Bailey beam in described auxiliary platform side and the main platform side adjacent with this Bailey beam, the one auxiliary platform beams 7 vertical with described Bailey beam is set at spacing intervals, auxiliary platform panel 8 is laid on described auxiliary platform beams 7 top, the position of corresponding pile foundation 10 on described auxiliary platform panel 8, if pile foundation construction mouth 9; Described main platform and described auxiliary platform end face contour.
For a concrete crossing bridge pile foundation construction, every campshed base has 4 stakes, and with pile foundation in water position for normative reference, often row arranges a wide 10m, the construction operation platform of long 30m.In the side of every campshed base, if the steel pipe pile that 3 rows are parallel with campshed, as the brace foundation of described main platform, at the steel pipe pile that campshed opposite side establishes 1 row parallel with campshed, as the brace foundation of described auxiliary platform.Often arrange steel pipe pile and comprise 4, set like this steel pipe pile is totally 4 row 4 row.Steel pipe pile adopts pile driver to be vertically fixed on riverbed, and adjustment absolute altitude is identical.Described steel pipe pile 1 adopts Ф 610 × 7.9mm steel pipe, adopts 20# channel-section steel to be welded to connect as bridging 11 between adjacent steel pipe pile.
After having set steel pipe pile 1, often row steel pipe pile top, edge, namely along berm width direction, arranges bent cap 2.Described bent cap 2 adopts 2I36 i iron, welds by two I36 i iron.Bent cap and steel pipe pile are welded into entirety.
After bent cap fixes, along the top of each row's steel pipe pile 1, i.e. land lengths direction, arranges one group of Bailey beam 3.Each group Bailey beam 3 comprises two panels individual layer Bailey beam, and two panels individual layer Bailey beam bracing frame 12 and bolt connect; Connected by cable-stayed support 13 between two groups of adjacent Bailey beams.
Between the Bailey beam of the Bailey beam in auxiliary platform side and the main platform side adjacent with this Bailey beam, a monolithic Bailey beam also can be set, for supporting auxiliary platform beams.
Bailey beam is girder of the present utility model.After Bailey beam is set up, at the top of the Bailey beam of main platform side, along berm width direction, a main platform beams 4 vertical with described Bailey beam is set at spacing intervals.Described main platform beams 4 can adopt I25# i iron, and the spacing of adjacent main platform beams 4 is 90cm.
After main platform beams has been set up, the top of described main platform beams 4, along land lengths direction, arrange a longeron 5 vertical with described main platform beams at spacing intervals, described longeron 5 can adopt I12# i iron, and the spacing of adjacent longeron 5 is 30cm.Then on described longeron 5, main platform panel 6 is laid; Described main platform panel 6 can adopt 8mm stamp steel card.Longeron and main platform panel can be welded to connect with the steel plate that 1cm is thick every 1 meter.Namely main like this platform side has set up.
The top of the Bailey beam of the Bailey beam in described auxiliary platform side and the main platform side adjacent with this Bailey beam, arranges an auxiliary platform beams 7 vertical with described Bailey beam at spacing intervals.Described auxiliary platform beams 7 can adopt I36 i iron, and the spacing of adjacent auxiliary platform beams 7 is 90cm.When laying auxiliary platform beams, above pile foundation and near pile foundation place, do not establish auxiliary platform beams, reserved pile foundation construction mouth.
Finally lay auxiliary platform panel 8 on described auxiliary platform beams 7 top.Auxiliary platform panel 8 can adopt the steel plate that 1.4cm is thick.When laying auxiliary platform panel, in the position of corresponding pile foundation, also establish pile foundation construction mouth 9.Auxiliary like this platform side has also been set up.Set up rear main platform and auxiliary platform end face should be contour.
Finally, for ensureing construction safety, along job platform length direction, in job platform both sides, protective guard 14 can be set.
Claims (10)
1. the job platform for the construction of bridge water pile foundation, described job platform adopts steel pipe pile as brace foundation, it is characterized in that: described job platform comprises main platform and auxiliary platform, the brace foundation of described job platform comprises 4 rows and at least 4 row steel pipe piles, wherein 3 row's steel pipe piles are positioned at the side of pile foundation, as the brace foundation of described main platform, row's root steel pipe pile is positioned at the opposite side of pile foundation, as the brace foundation of described auxiliary platform; The top of each row steel pipe pile arranges a bent cap, above described bent cap, along the top of each row's steel pipe pile, arranges one group of Bailey beam; At the top of the Bailey beam of main platform side, the one main platform beams vertical with described Bailey beam is set at spacing intervals, the top of described main platform beams, arranges a longeron vertical with described main platform beams at spacing intervals, described longeron is laid main platform panel; The top of the Bailey beam of the Bailey beam in described auxiliary platform side and the main platform side adjacent with this Bailey beam, the one auxiliary platform beams vertical with described Bailey beam is set at spacing intervals, auxiliary platform panel is laid on described auxiliary platform beams top, the position of corresponding pile foundation on described auxiliary platform panel, if pile foundation construction mouth; Described main platform and described auxiliary platform end face contour.
2. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described steel pipe pile adopts Ф 610 × 7.9mm steel pipe, adopts 20# channel-section steel to connect as bridging between adjacent steel pipe pile.
3. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described bent cap adopts 2I36 i iron.
4. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: each group Bailey beam group comprises two panels individual layer Bailey beam, and two panels individual layer Bailey beam bracing frame and bolt connect; Connected by cable-stayed support between two groups of adjacent Bailey beams.
5. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described main platform beams adopts I25# i iron, and the spacing of adjacent main platform beams is 90cm.
6. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described longeron adopts I12# i iron, and the spacing of adjacent longeron is 30cm.
7. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described main platform panel adopts 8mm stamp steel card.
8. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described auxiliary platform beams adopts I36 i iron, and the spacing of adjacent auxiliary platform beams is 90cm.
9. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described auxiliary platform panel adopts the steel plate that 1.4cm is thick.
10. the job platform for the construction of bridge water pile foundation according to claim 1, is characterized in that: described job platform both sides, are provided with protective guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773037.8U CN205024600U (en) | 2015-10-06 | 2015-10-06 | A work platform that is used for bridge aquatic pile foundation to be under construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520773037.8U CN205024600U (en) | 2015-10-06 | 2015-10-06 | A work platform that is used for bridge aquatic pile foundation to be under construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205024600U true CN205024600U (en) | 2016-02-10 |
Family
ID=55257145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520773037.8U Active CN205024600U (en) | 2015-10-06 | 2015-10-06 | A work platform that is used for bridge aquatic pile foundation to be under construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205024600U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018867A (en) * | 2017-12-20 | 2018-05-11 | 国网福建省电力有限公司 | The method that coastal waters beach column foot construction is realized based on trestle method |
| CN112726409A (en) * | 2020-12-29 | 2021-04-30 | 中铁一局集团有限公司 | Hoisting device for bridge water surface pile tie beam and construction method thereof |
| CN113445436A (en) * | 2021-07-06 | 2021-09-28 | 中国建筑第二工程局有限公司 | Bridge pier temporary reinforcing structure under condition that does not stop |
| CN115198711A (en) * | 2022-07-06 | 2022-10-18 | 中国建筑第八工程局有限公司 | Construction platform structure and construction method of concrete cast-in-place pile for Yangjiang river |
-
2015
- 2015-10-06 CN CN201520773037.8U patent/CN205024600U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108018867A (en) * | 2017-12-20 | 2018-05-11 | 国网福建省电力有限公司 | The method that coastal waters beach column foot construction is realized based on trestle method |
| CN112726409A (en) * | 2020-12-29 | 2021-04-30 | 中铁一局集团有限公司 | Hoisting device for bridge water surface pile tie beam and construction method thereof |
| WO2022142999A1 (en) * | 2020-12-29 | 2022-07-07 | 中铁一局集团有限公司 | Hoisting device for bridge water surface pile tie beam and construction method therefor |
| CN113445436A (en) * | 2021-07-06 | 2021-09-28 | 中国建筑第二工程局有限公司 | Bridge pier temporary reinforcing structure under condition that does not stop |
| CN115198711A (en) * | 2022-07-06 | 2022-10-18 | 中国建筑第八工程局有限公司 | Construction platform structure and construction method of concrete cast-in-place pile for Yangjiang river |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204530433U (en) | Steel pipe pile foundation combination steel trestle | |
| CN205024600U (en) | A work platform that is used for bridge aquatic pile foundation to be under construction | |
| CN106049281A (en) | Deep-water construction method of bridge at water pebble soil and argillaceous sandstone areas and auxiliary working platform | |
| CN103866693B (en) | A kind of mounting method of steel concrete bowstring arch bridge arch rib | |
| CN105603881A (en) | Integral erecting system for large sea-crossing arch bridge and construction method thereof | |
| CN105862878A (en) | Supporting system for deep foundation pit | |
| CN102677592A (en) | Method for erecting deepwater steel trestle and platform on exposed bedrock in shallow sea | |
| CN106087746A (en) | A kind of cast-in-situ box girder falsework construction method and bridge | |
| CN103938663A (en) | Correction device of inclined power transmission tower made of signal-splicing steel angle principal material | |
| CN204825914U (en) | A reinforced concrete roof beam and fish belly sill combined supporting structure for complicated plane foundation ditch | |
| CN201232194Y (en) | Anti-deformation power transmission tower | |
| CN104389317A (en) | Ultralarge-sized oblique single-pile foundation structure of large-span arch bridge | |
| CN203834487U (en) | Section steel inner brace and Lassen pile support for excavation of dumbbell-shaped deep and large foundation pit | |
| CN104195956A (en) | Scaffolding type water area continuous beam cast-in-situ supporting frame and erection method thereof | |
| CN206418464U (en) | A kind of Bailey bracket support system | |
| CN105002930A (en) | Beam column joint structure constructed through steel annular plate and method of beam column joint structure | |
| CN203821248U (en) | Steel pipe arch main arch assembling supporting system | |
| CN104533106B (en) | Single layered stereo is prefabricated with excavation of foundation pit assembling sunk type construction cat ladder and construction method | |
| CN102720121A (en) | Radial round wood support arch bridge bracket and construction method thereof | |
| CN204311457U (en) | A kind of Metro station excavation excavation construction composite retaining structure system | |
| CN113832862B (en) | Construction method of assembled steel trestle | |
| CN203947417U (en) | A kind of realization without the cast-in-place supporting structure of cushion cap approach viaduct concrete case beam limited bracket | |
| CN205742125U (en) | A kind of work platform for boring | |
| CN211446616U (en) | Deepwater river pier construction operation platform | |
| CN204185873U (en) | The only pile foundation structure of large-span arch bridge ultra-large type tilting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |