CN203701123U - Shallow sea varying diameter single pile foundation - Google Patents
Shallow sea varying diameter single pile foundation Download PDFInfo
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- CN203701123U CN203701123U CN201420046113.0U CN201420046113U CN203701123U CN 203701123 U CN203701123 U CN 203701123U CN 201420046113 U CN201420046113 U CN 201420046113U CN 203701123 U CN203701123 U CN 203701123U
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- pile tube
- tube pile
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Abstract
The utility model discloses a shallow sea varying diameter single pile foundation which comprises a circular upper tube pile above the water, a circular middle tube pile which penetrates through the water body and is inserted below the mud surface, and a circular lower tube pile which is connected with the lower end of the middle tube pile. The diameter of the upper tube pile is less than the diameter of the middle tube pile and the upper tube pile and the middle tube pile are connected through a connecting member, and the outer diameter of the lower tube pile is less than the inner diameter of the middle tube pile and the lower tube pile and the middle tube pile are fixedly connected through a plurality of connecting rib plates which are distributed in the circumference direction. According to the shallow sea varying diameter single pile foundation, a steel tube pile of a smaller diameter is adopted by the upper tube pile and the lower tube pile, and a steel tube pile of a larger diameter is adopted by the middle portions of the upper tube pile and the lower tube pile, so that under the premise of meeting the requirements of rigidity, stability and bearing capacity, through reducing diameters and wall thickness of an upper section of the steel tube pile and an lower section of the steel tube pile, the construction is effectively optimized, steel consumption and weight of the pile foundation are reduced, materials are saved, investment is saved, and difficulty and cost of offshore construction of the pile foundation are reduced simultaneously.
Description
Technical field
The utility model relates to shallow sea and constructs field of engineering technology, relates in particular to a kind of pile foundation.
Background technology
At present, single large diameter steel pipe pile is one of conventional foundation structure form of ocean engineering, and it is large that it has rigidity, good stability, and the advantage such as bearing value is strong, piling construction once completes, and operation is single, is applicable to the area that Soft Soil Layer is thicker, bearing stratum buried depth is larger.The loading characteristic of single large diameter steel pipe pile is: fixed section: stressed larger in the following certain limit of mud face, structure needs larger Rigidity and strength, and again toward next stressed less; Free segment: wave action scope is stressed larger to mud face section, wave action scope is above stressed less.Therefore the stressed of whole pile is small in ends, feature broad in the middle.Current large diameter steel pipe pile is essentially elongated equal diameter, or only top adopts the small diameter steel pipe of gradual change, in the case of pile tube wall thickness be generally not less than external diameter 1%, this kind of form of structure causes the steel waste of part segment steel pile tube.In addition, the diameter of whole steel pipe pile is large, wall thickness causes greatly weight large, makes the requirement of piling construction equipment higher, and difficulty of construction strengthens, and operating expenses increases.
According to the type of above-mentioned single large diameter steel pipe pile foundation and feature, can find that it has the following disadvantages: the diameter of whole steel pipe pile is basically identical, cause steel waste, cost is high; The weight of whole steel pipe pile is large, piling construction difficulty, and equipment requirement is high.
Summary of the invention
For the deficiencies in the prior art, the shallow sea that the technical problems to be solved in the utility model is to provide a kind of saving steel, reduction difficulty of construction and minimizing operating expenses straightens footpath single-pile foundation.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of shallow sea straightens footpath single-pile foundation, the circular lower pile tube that it comprises the circular upper pile tube that is arranged in more than the water surface, run through water body and insert circular pile tube below mud face, plug into described pile tube lower end, the diameter of described upper pile tube is less than the diameter of described middle pile tube and plugs into by connector, and the external diameter of described lower pile tube is less than the interior diameter of described middle pile tube and is fixedly connected with by most the connection floors that circumferentially distribute.
The one that straightens the technical scheme of footpath single-pile foundation as the utility model shallow sea is improved, and described upper pile tube is connected by truncated cone-shaped or the transition of tubaeform gradual change conical ring with described middle pile tube.
The one that straightens the technical scheme of footpath single-pile foundation as the utility model shallow sea is improved, and described upper pile tube is fixedly connected with by most the radially connecting plates that circumferentially distribute with described middle pile tube.
The one that straightens the technical scheme of footpath single-pile foundation as the utility model shallow sea is improved, and described connection floor is along circumferentially uniform and the axial and radially extension along lower pile tube of described lower pile tube.
The beneficial effects of the utility model are: the part of pile tube up and down that shallow sea straightens footpath single-pile foundation all adopts the steel pipe pile that diameter is less, mid portion adopts the steel pipe pile composition that diameter is larger, meeting under the prerequisite of rigidity, stability and requirement for bearing capacity, by reducing diameter and the wall thickness of upper and lower two sections of steel pipe piles, effectively optimize structure, reduce rolled steel dosage and the weight of pile foundation, reduced investment outlay, reduced the difficulty of pile foundation offshore construction simultaneously and reduce operating expenses.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model shallow sea straightens footpath single-pile foundation embodiment.
Fig. 2 be in Fig. 1 A-A to cross section structure schematic diagram.
Fig. 3 be in Fig. 2 B-B to cross section structure schematic diagram.
Detailed description of the invention
Further illustrate detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
As shown in FIG. 1 to 3, a kind of shallow sea of the utility model straightens footpath single-pile foundation, it comprises the circular upper pile tube 11 being positioned at more than the water surface, run through water body and insert the circular middle pile tube 12 below mud face, the circular lower pile tube 13 of plugging into described middle pile tube 12 lower ends, the diameter of described upper pile tube 11 is less than the diameter of described middle pile tube 12 and plugs into by connector, the external diameter of described lower pile tube 13 is less than the interior diameter of described middle pile tube 12 and is fixedly connected with by most the connection floors 14 that circumferentially distribute, connect floor 14 for being welded in one group of steel plate between middle pile tube inner side and lower tubular column outside.Less upper pile tube 11 has the ability of enough supporting superstructures; Middle pile tube 12 bears marine stormy waves, vertical load and other load action, has enough large diameter and rigidity, meets the requirement that opposing horizontal force and vertical load act on simultaneously; Lower pile tube 13 is the hypomere of the part of burying, and less diameter can meet the requirement of bearing capacity.
This shallow sea straightens footpath single-pile foundation and meets the demands under prerequisite at integral rigidity, stability and bearing capacity, according to the different customized diameters of instructions for use of each section of pile foundation and wall thickness, more reasonable structure.By reducing diameter and the wall thickness of part segment steel pile tube, reduce pile foundation rolled steel dosage 20 ~ 30%, reduce investment outlay.By reducing basic weight, reduce the requirement of offshore construction equipment, and reduce operating expenses, more can ensure the duration.
The part of pile tube up and down that shallow sea straightens footpath single-pile foundation all adopts the steel pipe pile that diameter is less, mid portion adopts the steel pipe pile composition that diameter is larger, meeting under the prerequisite of rigidity, stability and requirement for bearing capacity, by reducing diameter and the wall thickness of upper and lower two sections of steel pipe piles, effectively optimize structure, reduced rolled steel dosage and the weight of pile foundation, effectively saved material, reduce investment outlay, reduce difficulty and the expense of pile foundation offshore construction simultaneously.
Wherein, described shallow sea straightens footpath single-pile foundation and is provided with most connection floors 14, wherein connecting floor 14 can be 6,8 or more, depending on diameter and the requirement of strength of single-pile foundation, thereby between pile tube 12 and lower pile tube 13, there is enough bonding strengths in ensureing, can clamp-on in gap for ooze by preset clearance again, meet the needs of pile tube pile sinking.
In addition, the external diameter of described middle pile tube 12 is more than or equal to the external diameter of described upper pile tube 11, with the intensity of pile tube in ensureing 12 and the stability of single-pile foundation, can save again the material cost of pile tube 11 and maintain pile tube 11 and have sufficient intensity.
In addition, the external diameter of described lower pile tube 13 is less than the interior diameter of described middle pile tube, with the intensity of pile tube in ensureing 12 and the stability of single-pile foundation, can save again the material cost of lower pile tube 13 and maintain lower pile tube 13 and have sufficient intensity.
More preferably, described upper pile tube 11 is connected by truncated cone-shaped or the transition of tubaeform gradual change conical ring with described middle pile tube 12, makes pile tube 11 be able to firm connection with middle pile tube 12, guarantees the stability connecting.
More preferably, described upper pile tube is fixedly connected with by most the radially connecting plates that circumferentially distribute with described middle pile tube, can between upper pile tube and middle pile tube, increase axial link position, guarantees bonding strength, increases the stability connecting.
More preferably, described connection floor 14 is along circumferentially uniform and the axial and radially extension along lower pile tube 13 of described lower pile tube 13, circumferentially uniform floor can guarantee to have uniform support force everywhere, axially vertically extend convenient connection, and can, along vertically forming to protruding described middle pile tube to downward-extension the rib being connected with described lower tubular column, ensure bonding strength.
Illustrate below and implement detailed description of the invention of the present utility model.
The utility model embodiment as shown in accompanying drawing 1,2,3 is a kind ofly applicable to the regional shallow sea that Soft Soil Layer is thicker, bearing stratum buried depth is larger and straightens footpath single-pile foundation.This pile foundation is assembled integrated by land, formed by upper pile tube 11, middle pile tube 12, lower pile tube 13, first make respectively by land upper pile tube 11, middle pile tube 12, lower pile tube 13 and transition section 15, transition section is welded with upper pile tube 11 lower ends and middle pile tube 12 upper ends respectively at two ends Shang Xia 15, the upper end of the lower end of middle pile tube 12 and lower pile tube 13 is welded and fixed with being connected floor 14.When sinking, adopt crane ship lifting, vibrating hammer to plant the steady stake of stake, then adopt large-scale pile hammer that pile foundation is sunk in soil layer to designing requirement.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (4)
1. a shallow sea straightens footpath single-pile foundation, it is characterized in that: described shallow sea straightens the circular lower pile tube that footpath single-pile foundation comprises the circular upper pile tube that is arranged in more than the water surface, runs through water body and insert circular pile tube below mud face, plug into described pile tube lower end, the diameter of described upper pile tube is less than the diameter of described middle pile tube and plugs into by connector, and the external diameter of described lower pile tube is less than the interior diameter of described middle pile tube and is fixedly connected with by most the connection floors that circumferentially distribute.
2. shallow sea according to claim 1 straightens footpath single-pile foundation, it is characterized in that: described upper pile tube is connected by truncated cone-shaped or the transition of tubaeform gradual change conical ring with described middle pile tube.
3. shallow sea according to claim 1 straightens footpath single-pile foundation, it is characterized in that: described upper pile tube is fixedly connected with by most the radially connecting plates that circumferentially distribute with described middle pile tube.
4. shallow sea according to claim 1 straightens footpath single-pile foundation, it is characterized in that: described connection floor is along circumferentially uniform and the axial and radially extension along lower pile tube of described lower pile tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046113.0U CN203701123U (en) | 2014-01-24 | 2014-01-24 | Shallow sea varying diameter single pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046113.0U CN203701123U (en) | 2014-01-24 | 2014-01-24 | Shallow sea varying diameter single pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203701123U true CN203701123U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420046113.0U Expired - Fee Related CN203701123U (en) | 2014-01-24 | 2014-01-24 | Shallow sea varying diameter single pile foundation |
Country Status (1)
| Country | Link |
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| CN (1) | CN203701123U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452798A (en) * | 2014-11-18 | 2015-03-25 | 江苏金海新能源科技有限公司 | Offshore wind turbine foundation structure and equipment and construction method of offshore wind turbine foundation equipment |
| CN108532637A (en) * | 2018-04-27 | 2018-09-14 | 上海建工二建集团有限公司 | It is inverse to make stage integration vertical support system and its installation method |
| CN109385993A (en) * | 2018-12-20 | 2019-02-26 | 上海勘察设计研究院(集团)有限公司 | It is a kind of for controlling the Variable Section Steel tubular pole and its construction method of pile foundation settlement |
| CN109898542A (en) * | 2019-03-19 | 2019-06-18 | 河北省交通规划设计院 | A kind of variable diameters pile integral structure and preparation method thereof |
| CN111342621A (en) * | 2020-03-26 | 2020-06-26 | 江苏龙源振华海洋工程有限公司 | Assembling process of large-diameter multilayer pile of offshore generator |
-
2014
- 2014-01-24 CN CN201420046113.0U patent/CN203701123U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452798A (en) * | 2014-11-18 | 2015-03-25 | 江苏金海新能源科技有限公司 | Offshore wind turbine foundation structure and equipment and construction method of offshore wind turbine foundation equipment |
| CN108532637A (en) * | 2018-04-27 | 2018-09-14 | 上海建工二建集团有限公司 | It is inverse to make stage integration vertical support system and its installation method |
| CN109385993A (en) * | 2018-12-20 | 2019-02-26 | 上海勘察设计研究院(集团)有限公司 | It is a kind of for controlling the Variable Section Steel tubular pole and its construction method of pile foundation settlement |
| CN109898542A (en) * | 2019-03-19 | 2019-06-18 | 河北省交通规划设计院 | A kind of variable diameters pile integral structure and preparation method thereof |
| CN109898542B (en) * | 2019-03-19 | 2021-11-02 | 河北省交通规划设计研究院有限公司 | Method for preparing variable-diameter pile integrated structure |
| CN111342621A (en) * | 2020-03-26 | 2020-06-26 | 江苏龙源振华海洋工程有限公司 | Assembling process of large-diameter multilayer pile of offshore generator |
| CN111342621B (en) * | 2020-03-26 | 2021-07-02 | 江苏龙源振华海洋工程有限公司 | Assembling process of large-diameter multilayer pile of offshore generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20180124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |