CN108797581A - A kind of bridge pile foundation churning driven construction assembled steel pile casting structure and its installation method - Google Patents
A kind of bridge pile foundation churning driven construction assembled steel pile casting structure and its installation method Download PDFInfo
- Publication number
- CN108797581A CN108797581A CN201810888295.9A CN201810888295A CN108797581A CN 108797581 A CN108797581 A CN 108797581A CN 201810888295 A CN201810888295 A CN 201810888295A CN 108797581 A CN108797581 A CN 108797581A
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- China
- Prior art keywords
- pile casting
- steel pile
- casing
- steel
- lower casing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of bridge pile foundation churning driven construction assembled steel pile casting structure and its installation method, the assembled steel pile casting structure includes upper casing, lower casing, steel pile casting stiffening ring, steel pile casting lengthening clamping ring and biting connecions anchor bolt.The upper casing upper port and lower casing upper port are both provided with steel pile casting stiffening ring；Upper casing is provided with steel pile casting with lower casing junction and lengthens clamping ring；Steel pile casting lengthens to be evenly arranged with several biting connecions anchor bolts and is fixedly secured upper and lower casing by the biting connecions anchor bolt on the outside of clamping ring.The assembled steel pile casting is suitable for bridge pile foundation in the construction of the geological environments such as underground water is more, gravel, silty sand ground, and quick for installation, convenient disassembly can be recycled, cost-effective.Installation method of the present invention is easy to operate, eliminates mud off process, while avoiding circulating mud exhaust emission environment, environmentally protective, highly practical.
Description
Technical field：
The present invention is to be related to Bridge Pile Foundation Construction field, more particularly to a kind of bridge pile foundation churning driven construction assembled steel shield
Barrel structure and its installation method.
Background technology：
In the bridge constructions such as all kinds of bridges (highway, municipal administration, railroad bridge) pile foundation engineering, cast-in-situ bored pile is generally used
Mechanical hole building technique, especially churning driven pore-forming technique.The construction method uses mud off process.Although churning driven is being constructed
When penetration rate is fast, hole quality is good, but the mud off construction period is long, reduces construction efficiency, and retaining wall effect is undesirable, special
It is not in easily cave in (gravel, silty sand ground, crack incompetent bed), solution cavity, underground river, rich groundwater geological environment and urban district, certainly
The safety constructions such as right protection zone require high construction area.It is disposable mostly although being constructed at present using steel pile casting
Steel pile casting, construction cost are high.In addition, construction industry is increasingly focused on environmentally protective, mud off process causes outside a large amount of mud
Phenomena such as row pollutes surrounding enviroment, and dirty, unrest, difference is presented in construction site, to improve the cost of environmental pollution later regulation.
Invention content：
In view of the above shortcomings of the prior art, the present invention provide a kind of beam pile foundation churning driven construction assembled steel pile casting and its
Installation method, especially suitable for bridge pile foundation in the construction of the geological environments such as underground water is more, gravel, silty sand ground.The assembled steel
Casing is quick for installation, convenient disassembly, can be recycled, cost-effective.The installation method is easy to operate, eliminates mud off
Process, while circulating mud exhaust emission environment is avoided, it is environmentally protective.
The technical solution that the present invention solves technical problem is as follows：
A kind of bridge pile foundation churning driven construction assembled steel pile casting, including upper casing setting up and down and lower casing, are also wrapped
Include steel pile casting stiffening ring, steel pile casting lengthens clamping ring and biting connecions anchor bolt；The lower end of the upper port of the upper casing and lower casing
Mouth is both provided with the steel pile casting stiffening ring；The steel pile casting is provided on the outside of the upper casing and lower casing junction to lengthen
Clamping ring, the steel pile casting lengthen and its even circumferential are provided with several biting connecions anchor bolts on the outside of clamping ring；It is stung described in each
Box-like anchor bolt includes upper steel plate and lower steel plate, and lower steel plate is fixing end, is welded with lower casing upper end, and upper steel plate is freely
End, is connected and fixed with upper casing lower end of the bolt.
Further, the steel pile casting lengthens clamping ring width more than the steel pile casting stiffening ring width.
Further, the lower end outside face of the upper casing has been uniformly arranged along the circumference several screw rods, the biting connecions
The upper steel plate of anchor bolt is provided with screw hole compatible with screw rod, the upper steel plate by the screw hole be inserted in screw rod and coordinate with
The compatible nut of the screw rod is connected and fixed.
Further, the assembled steel pile casting often saves 6-9m, the upper casing and lower casing wall thickness >=1.2cm.
Further, it is flexibly connected between the upper steel plate and lower steel plate of the biting connecions anchor bolt and can mutual doubling.
Further, the screw hole is rectangular, round or ellipse.
The technical solution that another kind of the invention solves the problems, such as is as follows：
A kind of bridge pile foundation churning driven construction assembled steel pile casting installation method, includes the following steps：
Step 1：The upper casing of the assembled steel pile casting and lower casing are prefabricated into circular tube structure, in upper casing
Steel pile casting stiffening ring is welded in upper end and lower casing lower end, and screw rod is welded in upper casing lower end, and biting connecions are welded in lower casing upper end
Anchor bolt, and it is transported to scene；
Step 2：Using churning driven do digging method be drilled into often section assembled steel pile casting with length hole depth after, utilize crane rise
The assembled steel pile casting is hung to be installed；
Step 3：Using the one section lower casing of crane lifting, the lower casing is set equipped with steel pile casting stiffening ring one end
In on mounting platform；
Step 4：The one section upper casing of lifting, is provided with the lower port for being welded and fixed screw rod and the lower casing
Upper port be socketed；
Step 5：The steel pile casting is installed in the upper casing and lower casing junction and lengthens clamping ring；
Step 6：It is inserted in the upper casing by screw hole is reserved on the upper steel plate of the biting connecions anchor bolt of the lower casing upper end
It on the outside of the screw rod of lower end, then covers top nut and tightens, lock connection is reached with this；
Step 7：Mounted assembled steel pile casting is transferred using crane and is positioned, then is drilled；
Step 8：With this repeatedly until reaching design hole depth；
Step 9：After reaching design hole depth, steel reinforcement cage is installed, carries out concrete pouring；
Step 10：It is perfused during concrete, according to concrete lifting height, promotes, dismounting casing, until concrete pouring is completed.
Compared with the prior art, the present invention has the following advantages：
(1) quick for installation, convenient disassembly；
(2) detachable assembled steel pile casting eliminates mud off process, avoids circulating mud exhaust emission environment, simultaneously
It is also Ke Xunhuanliyong, it is environmentally protective, duration and cost are saved, safety construction is effectively improved；
(3) digging method is done using churning driven, has ensured pile quality, will not be gone out with the assembled steel pile casting of length with pile foundation
Existing hole wall collapse phenomenon；
(4) during concrete pouring, be not in pile foundation broken pile, folder mud and other issues, improve construction quality.
Description of the drawings
Fig. 1 is bridge pile foundation churning driven construction assembled steel pile casting structural schematic diagram of the present invention
Fig. 2 is A-A cross-section diagrams in Fig. 1
Fig. 3 is upper casing structure schematic diagram of the present invention
Fig. 4 is lower casing structure schematic diagram of the present invention
Fig. 5 is biting connecions anchor bolt side elevational view of the present invention
Fig. 6 is biting connecions anchor bolt plan view of the present invention
Figure label is as follows：
The upper casings of 1-；Casing under 2-；3- steel pile casting stiffening rings；4- nuts；5- steel pile castings lengthen clamping ring；6- biting connecions anchors
Bolt；7- upper steel plates；8- lower steel plates；9- screw holes；10- screw rods.
Specific implementation mode
In order to preferably explain the present invention, what the present invention is furture elucidated in the following with reference to the drawings and specific embodiments is interior
Hold, but present disclosure is not limited only to following embodiment.
Embodiment one：
As shown in Figures 1 to 6, a kind of bridge pile foundation churning driven construction assembled steel pile casting of the present invention, often saves assembled steel
Casing is 6m, wall thickness >=1.2cm comprising upper casing 1 setting up and down and lower casing 2 and steel pile casting stiffening ring 3, steel shield
Cylinder lengthens clamping ring 4 and biting connecions anchor bolt 6；The upper port of the upper casing 1 and the lower port of lower casing 2 are both provided with the steel
Casing stiffening ring 3 prevents steel pile casting from being deformed in handling and installation process, and the thickness of steel pile casting stiffening ring 3 is 2cm, wide
Degree is 20cm；It is provided with the steel pile casting on the outside of the upper casing 1 and lower 2 junction of casing and lengthens clamping ring 4, the steel pile casting
Lengthen the thickness 2cm, width 40cm of clamping ring 4；The outside that the steel pile casting lengthens clamping ring 4 is provided with along its even circumferential
Several biting connecions anchor bolts 6；Each biting connecions anchor bolt 6 includes upper steel plate 7 and lower steel plate 8, the upper steel plate 7 and lower steel plate 8
Between be flexibly connected, in doubling page structure (the mutual doubling in end that two blocks of steel plates can be flexibly connected around the two), lower steel plate 8 is
Fixing end is welded with lower 2 upper end of casing, and thickness, length and width are respectively 1.5cm, 20cm and 15cm, and upper steel plate 7 is certainly
By holding, thickness, length and width are respectively 2cm, 10cm and 15cm；If 1 lower end outside uniform welding of the upper casing is provided with
Dry screw rod 10, the position of each screw rod 10 is corresponding with the position of each biting connecions anchor bolt 6, the upper steel of each biting connecions anchor bolt 6
Screw hole 9 compatible with the screw rod 10 there are one being reserved in the plate face of plate 7, between the upper steel plate 7 and the lower end of upper casing 1
It is inserted in 10 outside of corresponding screw rod by screw hole 9 and nut compatible with the screw rod 10 4 is coordinated to be connected and fixed；This implementation
In example, to further ensure that the stability of the assembled steel pile casting, 16 are circumferentially arranged altogether in the lower end outside of upper casing 1
Screw rod 10 is simultaneously connected with 16 mutual corresponding biting connecions anchor bolts 6, reaches lock connection with this, it is ensured that construction effect and construction
Safety.
Embodiment two：
The present invention also provides a kind of bridge pile foundation churning driven construction assembled steel pile casting installation methods, specifically include following step
Suddenly：
Step 1：The upper casing 1 of the assembled steel pile casting and lower casing 2 are prefabricated into circular tube structure, in upper shield
Steel pile casting stiffening ring 3 is respectively welded in 1 upper end of cylinder and lower 2 lower end of casing, screw rod 10 is welded in 1 lower end of upper casing, on lower casing 2
End welding biting connecions anchor bolt 6, and it is transported to scene；
Step 2：Using churning driven do digging method be drilled into often section assembled steel pile casting with length hole depth after, utilize crane rise
The assembled steel pile casting is hung to be installed；
Step 3：Using the one section lower casing 2 of crane lifting, the lower casing 2 is equipped with 3 one end of steel pile casting stiffening ring
It is placed on mounting platform, which is general versatility platform, is used for the assembly of upper casing 1 and lower casing 2；
Step 4：The one section upper casing 1 of lifting is welded with the upper of the lower port of screw rod 10 and the lower casing 2
Port is socketed；
Step 5：The steel pile casting is installed in the upper casing 1 and lower 2 junction of casing and lengthens clamping ring 5；
Step 6：It is inserted in screw hole 9 is reserved on the upper steel plate 7 of the biting connecions anchor bolt 6 of 2 upper end of lower casing on described
10 outside of screw rod of 1 lower end of casing, then cover top nut 4 and tighten, lock connection is reached with this；
Step 7：Mounted assembled steel pile casting is transferred using crane and is positioned, then is drilled；
Step 8：With this repeatedly until reaching design hole depth；
Step 9：After reaching design hole depth, steel reinforcement cage is installed, carries out concrete pouring；
Step 10：It is perfused during concrete, according to concrete lifting height, promotes, dismounting casing, until concrete pouring is completed.
The present invention relies on three bridge Water Environmental Synthesis Dredge engineering overpass of Hunan, and water sand gravel is galore descended to this area
Layer pile foundation is constructed.The stake diameter of the engineering construction is D1.5m and D2.2m, a length of 20-24m of stake.Construction work uses churning driven
Dry digging method coordinates recyclable assembled steel pile casting of the present invention to carry out test of many times and practice, achieve well at
Effect.
Claims (7)
- The assembled steel pile casting 1. a kind of bridge pile foundation churning driven is constructed, including upper casing (1) setting up and down and lower casing (2), It is characterized in that, further including steel pile casting stiffening ring (3), steel pile casting lengthening clamping ring (5) and biting connecions anchor bolt (6)；The upper shield The upper port of cylinder (1) and the lower port of lower casing (2) are both provided with the steel pile casting stiffening ring (3)；The upper casing (1) and It is provided with the steel pile casting on the outside of lower casing (2) junction and lengthens clamping ring (5), which lengthens edge on the outside of clamping ring (5) Its even circumferential is provided with several biting connecions anchor bolts (6)；Each biting connecions anchor bolt (6) include upper steel plate (7) and under Steel plate (8), lower steel plate (8) are fixing end, are welded and fixed with lower casing (2) upper end, and upper steel plate (7) is free end, and upper Casing (1) lower end of the bolt is connected and fixed.
- 2. a kind of bridge pile foundation churning driven construction assembled steel pile casting according to claim 1, which is characterized in that the steel shield Cylinder lengthens clamping ring (5) width and is more than steel pile casting stiffening ring (3) width.
- 3. a kind of bridge pile foundation churning driven construction assembled steel pile casting according to claim 1, which is characterized in that the upper shield The lower end outside face of cylinder (1) is provided with several screw rods (10), the upper steel plate of the biting connecions anchor bolt (6) along its even circumferential (7) it is provided with and screw rod (10) is inserted in by the screw hole (9) with the compatible screw hole (9) of screw rod (10), the upper steel plate (7) And attaching nut (4) is fixed.
- 4. a kind of bridge pile foundation churning driven construction assembled steel pile casting according to claim 1, which is characterized in that the spelling Formula steel pile casting often saves 6m-9m, the upper casing (1) and lower casing (2) wall thickness >=1.2cm.
- 5. a kind of bridge pile foundation churning driven construction assembled steel pile casting according to claim 1, which is characterized in that the occlusion It is flexibly connected between the upper steel plate (7) of formula anchor bolt (6) and lower steel plate (8) and can mutual doubling.
- 6. a kind of bridge pile foundation churning driven construction assembled steel pile casting according to claim 4, which is characterized in that the screw rod Hole (9) is rectangular, round or ellipse.
- The assembled steel pile casting installation method 7. a kind of bridge pile foundation churning driven is constructed, includes the following steps：Step 1：The upper casing (1) of the assembled steel pile casting and lower casing (2) are prefabricated into circular tube structure, in upper shield Cylinder (1) upper end and lower casing (2) lower end welding steel pile casting stiffening ring (3), in upper casing (1) lower end welding screw rod (10), under Biting connecions anchor bolt (6) is welded in casing (2) upper end, and is transported to scene；Step 2：Using churning driven do digging method be drilled into often section assembled steel pile casting with length hole depth after, utilize crane lift by crane institute Assembled steel pile casting is stated to be installed；Step 3：Using the one section lower casing (2) of crane lifting, the lower casing (2) is equipped with steel pile casting stiffening ring (3) one End is placed on mounting platform；Step 4：The one section upper casing (1) of lifting, is provided with the lower port for being welded and fixed screw rod (10) and the lower shield The upper port of cylinder (2) is socketed；Step 5：The steel pile casting is installed in the upper casing (1) and lower casing (2) junction and lengthens clamping ring (5)；Step 6：It is inserted in institute by screw hole (9) is reserved on the upper steel plate (7) of the biting connecions anchor bolt (6) of lower casing (2) upper end It on the outside of the screw rod (10) for stating casing (1) lower end, then covers top nut (4) and tightens, lock connection is reached with this；Step 7：Mounted assembled steel pile casting is transferred using crane and is positioned, then is drilled；Step 8：With this repeatedly until reaching design hole depth；Step 9：After reaching design hole depth, steel reinforcement cage is installed, carries out concrete pouring；Step 10：It is perfused during concrete, according to concrete lifting height, promotes, dismounting casing, until concrete pouring is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810888295.9A CN108797581B (en) | 2018-08-07 | 2018-08-07 | Assembled steel casing structure for rotary drilling construction of bridge pile foundation and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810888295.9A CN108797581B (en) | 2018-08-07 | 2018-08-07 | Assembled steel casing structure for rotary drilling construction of bridge pile foundation and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108797581A true CN108797581A (en) | 2018-11-13 |
| CN108797581B CN108797581B (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810888295.9A Active CN108797581B (en) | 2018-08-07 | 2018-08-07 | Assembled steel casing structure for rotary drilling construction of bridge pile foundation and installation method thereof |
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| Country | Link |
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| CN (1) | CN108797581B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116516957A (en) * | 2023-07-04 | 2023-08-01 | 中交第一航务工程局有限公司 | Construction method of detachable soft foundation area pile foundation steel casing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014088732A (en) * | 2012-10-31 | 2014-05-15 | Daito Trust Construction Co Ltd | Method for constructing steel pipe pile, and steel pipe pile member |
| CN204710192U (en) * | 2015-06-16 | 2015-10-21 | 浙江海洋学院 | A kind of constant temperature agitator tank |
| CN205804340U (en) * | 2016-06-03 | 2016-12-14 | 中国十七冶集团有限公司 | A kind of cast-in-situ bored pile steel pile casting protection device |
| CN107476301A (en) * | 2017-08-04 | 2017-12-15 | 中铁十六局集团第三工程有限公司 | A kind of full casing follow-up step construction method of bridge pile foundation |
| CN107587504A (en) * | 2017-09-29 | 2018-01-16 | 中国十七冶集团有限公司 | A kind of dry excavation method of the double steel pile casting churning drivens of cast-in-situ bored pile of overpass |
-
2018
- 2018-08-07 CN CN201810888295.9A patent/CN108797581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014088732A (en) * | 2012-10-31 | 2014-05-15 | Daito Trust Construction Co Ltd | Method for constructing steel pipe pile, and steel pipe pile member |
| CN204710192U (en) * | 2015-06-16 | 2015-10-21 | 浙江海洋学院 | A kind of constant temperature agitator tank |
| CN205804340U (en) * | 2016-06-03 | 2016-12-14 | 中国十七冶集团有限公司 | A kind of cast-in-situ bored pile steel pile casting protection device |
| CN107476301A (en) * | 2017-08-04 | 2017-12-15 | 中铁十六局集团第三工程有限公司 | A kind of full casing follow-up step construction method of bridge pile foundation |
| CN107587504A (en) * | 2017-09-29 | 2018-01-16 | 中国十七冶集团有限公司 | A kind of dry excavation method of the double steel pile casting churning drivens of cast-in-situ bored pile of overpass |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116516957A (en) * | 2023-07-04 | 2023-08-01 | 中交第一航务工程局有限公司 | Construction method of detachable soft foundation area pile foundation steel casing |
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| Publication number | Publication date |
|---|---|
| CN108797581B (en) | 2020-06-30 |
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