CN104213575A - Hollow abutment foundation with pile caps and construction method of hollow abutment foundation - Google Patents
Hollow abutment foundation with pile caps and construction method of hollow abutment foundation Download PDFInfo
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- CN104213575A CN104213575A CN201410517735.1A CN201410517735A CN104213575A CN 104213575 A CN104213575 A CN 104213575A CN 201410517735 A CN201410517735 A CN 201410517735A CN 104213575 A CN104213575 A CN 104213575A
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000004567 concrete Substances 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 241000239290 Araneae Species 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a hollow abutment foundation with pile caps. The hollow abutment foundation comprises multiple foundation piles (11), multiple box beams (14) and a tower cylinder foundation ring (13), wherein the pile caps (12) are formed in the top ends of the foundation piles in a pouring way, the box beams are radially and fixedly arranged at the periphery of the tower cylinder foundation ring, the outer end of each box beam is arranged on one corresponding pile cap, and each box beam is fixedly connected with the corresponding pile cap through a reinforced concrete joint (16) which is poured later. The invention also discloses a construction method of the hollow abutment foundation with the pile caps. Compared with a common spider and a high pile abutment foundation, according to the hollow abutment foundation disclosed by the invention, each pile cap which is poured on the top end of the corresponding foundation pile is used as a support of an upper structure, the deviation adaptability of an abutment to the foundation piles is increased, the alignment installation of upper components can be convenient, the construction difficulty is reduced, meanwhile, the industrialized degree is high, the hollow abutment foundation is adapted to a structure of more than three piles, the installation is simple and convenient, the integrality is good, the construction period is reduced, the total economic efficiency of the structure of the hollow abutment foundation is good, and the hollow abutment foundation has a wide application prospect in offshore wind power engineering.
Description
Technical field
The invention belongs to the technical field on ocean engineering basis, be specifically related to a kind of hollow pile foundation with pile cover and construction method thereof.
Background technology
Marine engineering is because at sea constructing, and operating mode is comparatively severe, have can the engineering time short, difficulty of construction is large, by features such as the effect of natural conditions such as weather sea situation are huge.
At present, spider and high pile pier platform structure are the base_structure types that offshore wind farm is conventional, and wherein spider structure is comparatively simple, and pile sinking quantity is few, and spider one piece after pile sinking completes is installed, and offshore construction operation is less.But current spider structure has the following disadvantages: marine piling positioning is difficult, and be difficult to the position accurately controlling pile foundation in pile driving process, pile foundation construction often off normal is excessive, the contraposition of spider is caused to be installed very difficult.Customize the constructure scheme of spider after measuring according to pile sinking again, then the duration can be caused greatly to extend.The harbour sector application at home of high pile pier platform structure is extensive, and its construction technology is ripe, the good integrity of structure, sturdy and durable, but pile sinking quantity is many, implements difficulty larger during employing taper pile, it is various that operation is built at large volume pier sea, and operation at sea is complicated, and the construction period is longer.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of technology relevant for the various aspects of the present invention be described and/or advocate, believe that this discussion content contributes to for reader with background's information, to be conducive to understanding content of the present invention better.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and a kind of hollow pile foundation with pile cover and construction method thereof are provided, compared with spider and high stake pile foundation, pier is to the strong adaptability of foundation pile off normal, be convenient to the installation of basic upper component, construct comparatively easy simultaneously, good integrity, the duration is short, and overall economics is good.
Object of the present invention is achieved through the following technical solutions:
A kind of hollow pile foundation with pile cover is provided, comprise the stake of many foundation, multi-disc case beam, tower barrel base ring, the top of described foundation pile is built and is formed with pile cover, described case beam is radially fixed on around tower barrel base ring, the outer end of every a slice case beam is held on a corresponding pile cover, and the steel bar concrete node watered after passing through is fixedly connected with pile cover.
Wherein, the outer end of every a slice case beam is provided with node frame, and described steel bar concrete node is cast in node frame.
Wherein, be fixedly connected with by linking beam between the node frame on adjacent two panels case beam.
Wherein, described tower barrel base ring, case beam, node frame and linking beam are structure as a whole.
Wherein, described case beam is evenly arranged along tower barrel base ring circumference is radial.
Wherein, described case beam is steel case beam or reinforcing steel bar concrete box beam, and/or described linking beam is steel components or reinforced concrete member.
Wherein, the rounded or polygon of described pile cover, and/or described node frame is polygon or circle.
Wherein, described tower barrel base ring lower end is back taper back cover.
A construction method for hollow pile foundation with pile cover, comprises the steps:
S1, factory process make foundation pile, tower barrel base ring, case beam, node frame, linking beam, by land integrated tower barrel base ring, case beam, node frame, linking beam composition the hollow pier structure of one;
S2, carry out the marine piling construction of foundation pile in Engineering Zone;
S3, install on the top of foundation pile pile cover template, pile cover reinforcing cage and bury the node concrete anchoring body be made up of shaped steel and reinforcing cage underground is installed, utilize marine mixer ship to build formation pile cover on the top of foundation pile;
S4, utilize crane ship that the hollow pier component of one be made up of tower barrel base ring, case beam, node frame, linking beam is installed, each node frame is held on a corresponding pile cover, then utilizes marine mixer ship in node frame, build formation steel bar concrete node and is fixedly connected with pile cover the outer end of case beam;
S5, the tower cylinder of offshore wind farm unit is installed by tower barrel base ring.
Wherein, in step s 4 which, pile cover spreads high-strength mortar in advance and levels up, then node frame is held on corresponding pile cover.
Beneficial effect of the present invention: by building the bearing of pile cover as superstructure in each single Under Pile top casting, the pier that case beam and tower barrel base ring etc. can be made to form improves greatly to the compliance of the off normal of foundation pile, reduce the required precision to piling deviation, be convenient to the installation of basic top pier component, reduce installation difficulty, making the prefabricated pier of more than 3 install contraposition becomes possibility; Top, basis pier structure adopts land over all Integration, good integrity, once mounting, and working procedure is simple, and the duration is short; The relative large volume reinforced concrete pier of hollow pier of cast-in-place node and Yan Zeke simplifies working procedure, the reduction of erection time, reduce investment outlay, the overall economics of this structure is better, is with a wide range of applications in ocean engineering.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is a kind of structural representation adopting the hollow pile foundation of the band pile cover of straight stake.
Fig. 2 is a kind of structural representation adopting the hollow pile foundation of the band pile cover of taper pile.
Fig. 3 is A-A schematic cross-section in Fig. 1.
Fig. 4 is B-B schematic cross-section in Fig. 2.
Detailed description of the invention
Technical scheme of the present invention is understood better in order to make those skilled in the art, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Core of the present invention is to provide a kind of hollow pile foundation with pile cover and construction method thereof, and it is convenient to the installation of basic upper component to the strong adaptability of foundation pile off normal, and site operation is comparatively easy simultaneously, and the duration is short, and overall economics is good.
As shown in Figure 1,2,3, 4, a kind of hollow pile foundation with pile cover that the embodiment of the present invention provides, comprise many foundation stake 11, multi-disc case beam 14, node frame 17, tower barrel base ring 13, the quantity of foundation pile 11 and case beam 14 can be more than three or three, embodiment in figure is five, pile foundation 11 can be straight stake (as shown in figures 1 and 3), also can be taper pile (as shown in Figure 2 and Figure 4).The top of every foundation stake 11 is built and is formed with pile cover 12, described case beam 14 is radially fixed on around tower barrel base ring 13, described case beam 14 can be steel case beam or reinforcing steel bar concrete box beam, also other steel components can be adopted, itself and node frame 17 can be integral member, case beam 14 is the Force transmission parts connecting pile cover 12 and tower barrel base ring 13, and case beam 14 and tower barrel base ring 13 form hollow pier structure.Each node frame 17 is held on a corresponding pile cover 12, and the steel bar concrete node 16 passing through to water after in node frame 17 is fixedly connected with pile cover 12.By building the bearing of pile cover 12 as superstructure in 11 top casting of single foundation pile, the steel bar concrete node 16 that node frame 17 waters after being shelved on and passing through after on pile cover 12 is fixedly connected with pile cover 12, the compliance of hollow pier structure to foundation pile 11 off normal that upper tank beam 14 and tower barrel base ring 13 can be made to form improves greatly, and after the steel bar concrete node 16 that waters make hollow pier structure and foundation pile 11 form higher being fixedly connected with of bonding strength.
As preferred embodiment, be fixedly connected with by linking beam 15 between the node frame 17 of adjacent two panels case beam 14 outer end, linking beam 15 for increasing hollow pier structure level to rigidity.Described case beam 14 adopts cross section to be polygonal steel case beam or reinforcing steel bar concrete box beam, linking beam 15 is steel components or reinforced concrete member, steel components specifically can be steel pipe, steel truss etc., and cross section can be circle or polygon, and the two ends of linking beam 15 are fixedly connected with node frame 17.The hollow pier component of tower barrel base ring 13, case beam 14, node frame 17 and linking beam 15 composition one, whole hollow pier structure can be integrated by land, make the globality of whole foundation structure better, can ensure that making quality can greatly reduce offshore construction workload again.
As preferred embodiment, described case beam 14 is evenly arranged along tower barrel base ring 13 circumference is radial, and component tie point stress more can be met design requirement.
As preferred embodiment, described node frame 17 in quadrangle (as shown in Figure 1), or is circular (as shown in Figure 2), and according to structure stress and construction needs, pile cover 12 also can be set to circle or polygon.
As preferred embodiment, described tower barrel base ring 13 lower end is back taper back cover, can reduce wave force like this, and prevent discharge ring internal corrosion.
In order to implement the hollow pile foundation of the band pile cover for offshore wind farm as shown in Figures 1 to 4, the embodiment of the present invention additionally provides a kind of construction method, comprises the steps:
S1, factory process make foundation pile 11, tower barrel base ring 13, case beam 14, node frame 17, linking beam 15, by land integrated tower barrel base ring 13, case beam 14, node frame 17, linking beam 15 form the hollow pier structure of one;
S2, carry out the marine piling construction of foundation pile 11 in Engineering Zone;
S3, install on the top of foundation pile 11 pile cover 12 template, pile cover reinforcing cage and bury the node concrete anchoring body 18 be made up of shaped steel and reinforcing cage underground is installed, utilize marine mixer ship to build formation pile cover 12 on the top of foundation pile 11;
S4, utilize crane ship that the hollow pier component of one be made up of tower barrel base ring 13, case beam 14, node frame 17, linking beam 15 is installed, each node frame 17 is held on a corresponding pile cover 12, then utilizes marine mixer ship in node frame 17, build formation steel bar concrete node 16 and is fixedly connected with pile cover 12 outer end of case beam 14;
S5, the tower cylinder of offshore wind farm unit is installed by tower barrel base ring 13.
Wherein, in step s 4 which, pile cover 12 spreads high-strength mortar in advance and levels up, then node frame 17 is held on corresponding pile cover 12.
Set forth a lot of detail in description above so that fully understand the present invention, but the present invention can also adopt other to be different from other similar fashion described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; those skilled in the art although the present invention illustrates above-mentioned preferred embodiment, should illustrate, although can carry out various change and remodeling; unless such change and remodeling substantially deviate from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (10)
1. the hollow pile foundation with pile cover, it is characterized in that: comprise many foundation stake (11), multi-disc case beam (14), tower barrel base ring (13), the top of described foundation pile (11) is built and is formed with pile cover (12), described case beam (14) is radially fixed on tower barrel base ring (13) around, the outer end of every a slice case beam (14) is held on a corresponding pile cover (12), and the steel bar concrete node (16) watered after passing through is fixedly connected with pile cover (12).
2. the hollow pile foundation of band pile cover according to claim 1, is characterized in that: the outer end of every a slice case beam (14) is provided with node frame (17), and described steel bar concrete node (16) is cast in node frame (17).
3. the hollow pile foundation of band pile cover according to claim 2, is characterized in that: be fixedly connected with by linking beam (15) between the node frame (17) on adjacent two panels case beam (14).
4. the hollow pile foundation of band pile cover according to claim 3, is characterized in that: described tower barrel base ring (13), case beam (14), node frame (17) and linking beam (15) are structure as a whole.
5. the hollow pile foundation of band pile cover according to any one of claim 1 to 4, is characterized in that: described case beam (14) is evenly arranged along tower barrel base ring (13) circumference is radial.
6. the hollow pile foundation of the band pile cover according to claim 3 or 4, is characterized in that: described case beam (14) is steel case beam or reinforcing steel bar concrete box beam, and/or described linking beam (15) is steel components or reinforced concrete member.
7. the hollow pile foundation of the band pile cover according to Claims 2 or 3 or 4, is characterized in that: the rounded or polygon of described pile cover (12), and/or described node frame (17) is in polygon or circle.
8. the hollow pile foundation of band pile cover according to any one of claim 1 to 4, is characterized in that: described tower barrel base ring (13) lower end is back taper back cover.
9. a construction method for the hollow pile foundation with pile cover, is characterized in that, comprise the steps:
S1, make foundation pile (11), tower barrel base ring (13), case beam (14), node frame (17), linking beam (15) in factory process, the hollow pier structure of one that forms of integrated tower barrel base ring (13), case beam (14), node frame (17), linking beam (15) by land;
S2, carry out the marine piling construction of foundation pile (11) in Engineering Zone;
S3, install on the top of foundation pile (11) pile cover (12) template, pile cover reinforcing cage and bury the node concrete anchoring body (18) be made up of shaped steel and reinforcing cage underground is installed, utilize marine mixer ship to build formation pile cover (12) on the top of foundation pile (11);
S4, utilize crane ship that the hollow pier component of one be made up of tower barrel base ring (13), case beam (14), node frame (17), linking beam (15) is installed, each node frame (17) is held on a corresponding pile cover (12), then utilizes marine mixer ship in node frame (17), build formation steel bar concrete node (16) and is fixedly connected with pile cover (12) by hollow pier;
S5, the tower cylinder of offshore wind farm unit is installed by tower barrel base ring (13).
10. construction method according to claim 9, is characterized in that, in step s 4 which, pile cover (12) spreads high-strength mortar in advance and levels up, then is held on by node frame (17) on corresponding pile cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517735.1A CN104213575B (en) | 2014-09-30 | 2014-09-30 | With the hollow pier stylobate foundation construction of pile cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410517735.1A CN104213575B (en) | 2014-09-30 | 2014-09-30 | With the hollow pier stylobate foundation construction of pile cover |
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| Publication Number | Publication Date |
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| CN104213575A true CN104213575A (en) | 2014-12-17 |
| CN104213575B CN104213575B (en) | 2016-05-18 |
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| CN201410517735.1A Active CN104213575B (en) | 2014-09-30 | 2014-09-30 | With the hollow pier stylobate foundation construction of pile cover |
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| CN106088129B (en) * | 2016-08-16 | 2018-04-24 | 上海勘测设计研究院有限公司 | High-rise buildings radial pattern foundation structure method of construction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007092406A (en) * | 2005-09-29 | 2007-04-12 | Mitsubishi Heavy Industries Bridge & Steel Structures Engineering Co Ltd | Foundation structure for on-water structure |
| CN102296623A (en) * | 2011-06-27 | 2011-12-28 | 天津大学 | Tripod type leveling offshore foundation structure and construction method thereof |
| CN202543954U (en) * | 2012-02-14 | 2012-11-21 | 江苏海上龙源风力发电有限公司 | Multiangular frame foundation for offshore wind power generator |
| CN202899150U (en) * | 2012-10-12 | 2013-04-24 | 上海勘测设计研究院 | Draught fan base of offshore wind power station |
| CN103953055A (en) * | 2014-04-21 | 2014-07-30 | 广东明阳风电产业集团有限公司 | Offshore wind power generator set waterborne four-pile foundation |
| CN204098054U (en) * | 2014-09-30 | 2015-01-14 | 熊翱 | With the hollow pile foundation of pile cover |
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2014
- 2014-09-30 CN CN201410517735.1A patent/CN104213575B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007092406A (en) * | 2005-09-29 | 2007-04-12 | Mitsubishi Heavy Industries Bridge & Steel Structures Engineering Co Ltd | Foundation structure for on-water structure |
| CN102296623A (en) * | 2011-06-27 | 2011-12-28 | 天津大学 | Tripod type leveling offshore foundation structure and construction method thereof |
| CN202543954U (en) * | 2012-02-14 | 2012-11-21 | 江苏海上龙源风力发电有限公司 | Multiangular frame foundation for offshore wind power generator |
| CN202899150U (en) * | 2012-10-12 | 2013-04-24 | 上海勘测设计研究院 | Draught fan base of offshore wind power station |
| CN103953055A (en) * | 2014-04-21 | 2014-07-30 | 广东明阳风电产业集团有限公司 | Offshore wind power generator set waterborne four-pile foundation |
| CN204098054U (en) * | 2014-09-30 | 2015-01-14 | 熊翱 | With the hollow pile foundation of pile cover |
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Effective date of registration: 20170221 Address after: 510240 Haizhuqu District, Guangzhou, Po Po Road, No. 2102, room 268, No. Patentee after: GUANGZHOU HUASHEN ENGINEERING MANAGEMENT CO., LTD. Address before: 510300 Haizhuqu District, Guangzhou, Binjiang East Road, Tai Po Street, No. 1701, No. 7, No. Patentee before: Xiong Ao |