CN208884515U - A kind of steel-pipe pile pile cover structure - Google Patents
A kind of steel-pipe pile pile cover structure Download PDFInfo
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- CN208884515U CN208884515U CN201821135187.6U CN201821135187U CN208884515U CN 208884515 U CN208884515 U CN 208884515U CN 201821135187 U CN201821135187 U CN 201821135187U CN 208884515 U CN208884515 U CN 208884515U
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Abstract
The utility model discloses a kind of steel-pipe pile pile cover structure, including prefabricated steel-pipe pile and harbour beam, pre-buried main reinforcement and core grouted concrete in prefabricated steel-pipe pile are equipped with stirrup on the outside of main reinforcement;Harbour beam is formed by prefabricated crossbeam, prefabricated stringer, the cast-in-place connector concrete of the longitudinal and transverse beam of harbour, prefabricated pile cover and reinforced concrete sleeve are equipped at the top of prefabricated steel-pipe pile, and it is rigidly connected by core grouted concrete in prefabricated steel-pipe pile and cast-in-place pile cover connector concrete and prefabricated steel-pipe pile, reinforced concrete sleeve blocks clay between bottom end circumference and the gap of prefabricated steel-pipe pile and winds geotextile layer on clay, and the top preset of prefabricated pile cover has anti-corrosion injected hole.Anti-corrosion material is injected in the gap between steel-pipe pile and reinforced concrete sleeve by anti-corrosion injected hole.The utility model beneficial effect is: steel tube pile structure does not need the corrosion-resistant wall thickness in addition increasing steel-pipe pile in splash zone and fluctuation of water table section;It can be without anti-corrosion of steel pipe pile coating and cathodic protection.
Description
Technical field
The utility model relates to the design of the STEEL TUBE PILE WHARF of port engineering and off-lying sea hydraulic structure steel pipe pile foundation necks
Domain, in particular to a kind of raising steel-pipe pile is in splash zone, the pile cover structure and construction method of fluctuation of water table area corrosion resistance.
Background technique
Steel tube pile structure be port and pier engineering and off-lying sea hydraulic structure engineering pass through frequently with one of structure type.One
As splash zone of the construction usually locating for steel-pipe pile, in addition fluctuation of water table section increases certain wall thickness make as steel-pipe pile
The corrosion thickness reserved with the phase, while the measures such as derusting, the setting cathodic protection of anticorrosion with painting coating are also taken on the outside of steel-pipe pile.
When the wall thickness difference of a steel-pipe pile, pile foundation welding processing is complicated and steel using amount is big, generallys use after the completion of pile sinking waterborne
The cast-in-place rectangular pile cap structure of formwork supporting plate, working procedure is more, and concrete amount is larger, and by hydrometeorology, geological conditions and
Human factor influences, and the cast-in-place generally more prefabricated pile cover of pile cover concrete construction quality is slightly worse.
Certain engineering projects are especially overseas Wharf Engineering, often have in structure design from domestic pile foundation wharfs it is different it
Place, the pile foundation wharfs in some areas are got used to even longer using the very long i.e. 100--200m of dock structure longitudinal divisions in the world
Complete straight stake steel tube pile structure.According to state, the construction experiences of outer and inner tube stake harbour, it is in splash zone and fluctuation of water table section
Steel-pipe pile although after taking the safeguard procedures such as derusting, anticorrosion with painting coating, cathodic protection or being very easy to occur serious
Corrosion problem, be steel tube pile structure be easiest to corrosion damage weak link.Harbour be completed after operation if to splash zone and
Fluctuation of water table section carries out the maintenance work after pile foundation corrosion, and the harbour stopping service time is longer, and maintenance effect is also ideal not to the utmost,
Increase the maintenance and operation cost of harbour.For the construction for adapting to sea, inside and outside marine engineering, strengthen port engineering and off-lying sea water conservancy project
Building steel-pipe pile in splash zone, the Anticorrosive Durability Design of fluctuation of water table section, reduce or prevent STEEL TUBE PILE WHARF and
Pile foundation maintenance work of the off-lying sea hydraulic structure during operation, improves the efficiency of operation of harbour, it is necessary to existing steel-pipe pile
The anticorrosive measure designed in splash zone and fluctuation of water table section further is enhanced.
Summary of the invention
It is resistance in splash zone, fluctuation of water table area that the technical problem to be solved by the utility model is to provide a kind of raising steel-pipe piles
Corrosive pile cover structure and construction method.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of steel-pipe pile pile cover structure, packet
Steel-pipe pile, prefabricated pile cover and reinforced concrete sleeve are included, blocks clay between concrete sleeve bottom end surrounding and steel-pipe pile gap
And geotextiles are wound on clay, pressure injection anti-corrosion material epoxy resin in gap between reinforced concrete sleeve and steel-pipe pile
Mortar improves steel-pipe pile in the anti-corrosion ability of splash zone and fluctuation of water table section.
In gap the technical requirements such as grouting pressure can refer to " marine traffic engineering concrete design specification " JTS 151-2011 and
Requirement construction in " marine traffic engineering concrete construction specification " JTS 202-2011 in relation to post-tensioned prestressing beam slip casting.
The vertical extension h1 of reinforced concrete sleeve can be according to the use of local hydrometeorology, geological conditions and harbour
It is required that according to the 6.3 anticorrosion relevant provisions and " harbour engineering steel construction of " port engineering Pile Foundation Code " JTS 167-4-2012
Anticorrosion technique specification " JTS 153-3 regulation determine.Pile cover stress is by calculating when pile cover thickness h 2 can be installed according to beam in length and breadth
It determines.
Occur sternly the beneficial effects of the utility model are: steel-pipe pile can be effectively prevented in splash zone, fluctuation of water table section
The problem of corroding again, structure type is simple, easily operated, and construction quality is guaranteed.Using the corrosion-resistant pile cover knot of the steel-pipe pile
Structure its cost ratio compared with traditional cast-in-situ steel reinforced concrete pile cover is carried out by taking the pile foundation of a pile diameter 1.5m wall thickness 18mm as an example
Compare for 1:1.04;
The invention is to guarantee the safe and reliable of harbour and off-lying sea hydraulic structure steel tube pile structure and steel-pipe pile can be improved
In the corrosion resistance of splash zone and fluctuation of water table section, reduce or prevent the section steel-pipe pile harbour operation during corrode after
Maintenance work, improve the efficiency of operation of harbour.After the utility model, steel-pipe pile is in splash zone, fluctuation of water table section
Service life is generally no less than 50 years.STEEL TUBE PILE WHARF and off-lying sea hydraulic structure steel-pipe pile of the utility model in port engineering
There is the dissemination of reality in structure;
After the utility model, steel tube pile structure does not need in addition to increase steel-pipe pile in splash zone and fluctuation of water table section
Corrosion-resistant wall thickness.It can be without anti-corrosion of steel pipe pile coating and cathodic protection.Although many years it was verified that port engineering and
In the hydraulic structure engineering of off-lying sea, splash zone and fluctuation of water table section are in be lauched the steel-pipe pile corrosion neutralized in foundation soil
Very slowly, the steel-pipe pile of this usual range still needs to take corresponding anticorrosive coating and cathodic protection according to the design requirement of structure
Equal measures.
Detailed description of the invention
Fig. 1 is the Plane Installation figure of the utility model pile cover structure;
Fig. 2 is the installation cross-section diagram of the utility model pile cover structure;
Fig. 3 is the prefabricated pile cover cross-section diagram of the utility model;
Fig. 4 is the prefabricated pile cover plan view of the utility model;
Fig. 5-1,5-2 are the utility model steel tube pile structure figure, cross-section diagram;
Fig. 6 is the cast-in-place connector concrete structure plan view of the pile cover top longitudinal and transverse beam of harbour.
In figure:
1, steel-pipe pile 2, prefabricated pile cover and reinforced concrete sleeve
3, core grouted concrete 4, concrete sleeve underseal close clay and winding geotextile layer in steel-pipe pile
5, pile cover top anti-corrosion injected hole 6, anti-corrosion slip casting
7, pre-buried main reinforcement 8 in steel-pipe pile, stirrup on the outside of main reinforcement in steel-pipe pile
9, cast-in-place pile cover connector concrete 10, prefabricated crossbeam
11, prefabricated stringer 12, in length and breadth, the cast-in-place connector concrete of beam.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
As shown in Figures 1 to 6, a kind of steel-pipe pile pile cover structure, including steel-pipe pile, prefabricated pile cover and reinforced concrete soil suite
Pipe blocks clay and winds geotextiles, reinforced concrete sleeve and steel pipe between concrete sleeve bottom end surrounding and steel-pipe pile gap
Pressure injection anti-corrosion material epoxy resin mortar in gap between stake improves steel-pipe pile in the anti-of splash zone and fluctuation of water table section
Rotten ability.
Prefabricated steel-pipe pile 1 is according to design requirement injection in a marine wherein Pile Foundation of Wharf.Prefabricated pile cover and reinforcing bar
Concrete sleeve 2 is the pile cover structure covered at the top of steel-pipe pile, and effect is easy for the longitudinal and transverse beam both ends of harbour and is placed in pile cover
On.Core grouted concrete 3 in steel-pipe pile are that STEEL TUBE PILE WHARF is usually provided at a certain range of core grouted concrete of stake top, effect
It is that pile foundation is made to be connected with harbour superstructure by embedded bar.Concrete sleeve underseal closes clay and winds soil on clay
Work cloth 4, main purpose are the gaps blocked between steel-pipe pile and concrete sleeve, prevent from generating spillage when perfusion anti-corrosion material
Phenomenon.Then by pile cover top anti-corrosion injected hole 5, anti-corrosion slip casting 6 is carried out to the gap between steel-pipe pile and concrete sleeve, is prevented
Rotten injecting paste material is epoxy resin mortar.
Stirrup 8 on the outside of main reinforcement in pre-buried main reinforcement 7 and steel-pipe pile, is to be embedded in steel-pipe pile to fill core coagulation in steel-pipe pile
Reinforcing bar in soil 3, effect be by the sponson of reinforcing bar and prefabricated crossbeam 10, the protruding bar at prefabricated 11 both ends of stringer into
Row binding.Prefabricated crossbeam 10, prefabricated stringer 11 are mounted on prefabricated pile cover and reinforced concrete sleeve 2 according to design requirement
The harbour girder system structure in portion, end there are protruding bar and steel-pipe pile in the sponson of pre-buried main reinforcement 7 bound,
By cast-in-place pile cover connector concrete 9 and in length and breadth, the cast-in-place connector concrete 12 of beam connects into pile foundation and upper part girder system structure
Rigid joint.
In gap the technical requirements such as grouting pressure can refer to " marine traffic engineering concrete design specification " JTS 151-2011 and
Requirement construction in " marine traffic engineering concrete construction specification " JTS 202-2011 in relation to post-tensioned prestressing beam slip casting.
The vertical extension h of reinforced concrete sleeve1It can be according to the use of local hydrometeorology, geological conditions and harbour
It is required that according to the 6.3 anticorrosion relevant provisions and " harbour engineering steel knot of " port engineering Pile Foundation Code " (JTS 167-4-2012)
Structure anticorrosion technique specification " (JTS 153-3) regulation determine.Pile cover thickness h2Can according to beam in length and breadth install when pile cover stress by
It calculates and determines.
Claims (2)
1. a kind of steel-pipe pile pile cover structure, comprising: prefabricated steel-pipe pile and harbour beam, in the prefabricated steel-pipe pile pre-buried main reinforcement and
Core grouted concrete, the main reinforcement outside are equipped with stirrup;The harbour beam is formed by prefabricated crossbeam, prefabricated stringer, and harbour is longitudinal and transverse
The cast-in-place connector concrete of beam, it is characterized in that: prefabricated pile cover and reinforced concrete sleeve (2) are equipped at the top of prefabricated steel-pipe pile (1),
And pass through prefabricated steel-pipe pile (1) interior core grouted concrete (3) and cast-in-place pile cover connector concrete (9) and prefabricated steel-pipe pile (1) rigidity
Connection, the reinforced concrete sleeve (2) block clay between bottom end circumference and the gap of prefabricated steel-pipe pile (1) and in clay
Upper winding geotextile layer (4), the top preset of prefabricated pile cover have anti-corrosion injected hole (5).
2. a kind of steel-pipe pile pile cover structure according to claim 1, it is characterized in that: the prefabricated pile cover and armored concrete
Casing (2) is formed as one.
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CN201821135187.6U CN208884515U (en) | 2018-07-18 | 2018-07-18 | A kind of steel-pipe pile pile cover structure |
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CN201821135187.6U CN208884515U (en) | 2018-07-18 | 2018-07-18 | A kind of steel-pipe pile pile cover structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108755675A (en) * | 2018-07-18 | 2018-11-06 | 中交第航务工程勘察设计院有限公司 | A kind of steel-pipe pile pile cover structure and the construction method for improving steel-pipe pile corrosion resistance |
CN110306546A (en) * | 2019-07-24 | 2019-10-08 | 南通恒一岩土工程勘察有限公司 | A kind of method of repairing and reinforcing pile crown |
CN115305908A (en) * | 2022-07-25 | 2022-11-08 | 甘肃土木工程科学研究院有限公司 | Pit type static pressure grouting steel pipe pile guide pit backfilling construction process |
-
2018
- 2018-07-18 CN CN201821135187.6U patent/CN208884515U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108755675A (en) * | 2018-07-18 | 2018-11-06 | 中交第航务工程勘察设计院有限公司 | A kind of steel-pipe pile pile cover structure and the construction method for improving steel-pipe pile corrosion resistance |
CN110306546A (en) * | 2019-07-24 | 2019-10-08 | 南通恒一岩土工程勘察有限公司 | A kind of method of repairing and reinforcing pile crown |
CN115305908A (en) * | 2022-07-25 | 2022-11-08 | 甘肃土木工程科学研究院有限公司 | Pit type static pressure grouting steel pipe pile guide pit backfilling construction process |
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