CN208933955U - Organizational pile foundation structure suitable for coral reef geology - Google Patents
Organizational pile foundation structure suitable for coral reef geology Download PDFInfo
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- CN208933955U CN208933955U CN201820989865.9U CN201820989865U CN208933955U CN 208933955 U CN208933955 U CN 208933955U CN 201820989865 U CN201820989865 U CN 201820989865U CN 208933955 U CN208933955 U CN 208933955U
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Abstract
The utility model discloses a kind of organizational pile foundation structures suitable for coral reef geology, comprising: pile for prestressed pipe, end portion is inserted into ground, and sets bored concrete pile in its lower section；Steel pipe post is located above the pile for prestressed pipe, and is set in the pile for prestressed pipe outside and the hollow grouting space separated by a distance for forming an annular, and partly overlap be arranged therebetween, and grouting material is filled in the hollow grouting space of lap；Ground is exposed on the steel pipe post top, for connecting with external structure.The organizational pile foundation of the utility model can make full use of the high intensity of perfusion Skin friction and pile for prestressed pipe, and pile foundation self weight can be greatly reduced, reduce pile body design length；Especially suitable for the foundation construction under coral reef geological conditions, be not only able to satisfy rough seas, but can assembling, rapid construction, environment-friendly high-efficiency is with good economic efficiency.
Description
Technical field
The utility model relates to organizational pile foundation construction applications.More specifically, the utility model relates to one kind to be suitable for coral
The organizational pile foundation structure of reef geology.
Background technique
Pile foundation with its construction is simple, cost is low, settlement Control effect is good etc., and advantages are widely used in China basis
In engineering construction.Under the conditions of conventional geology, basically formed based on driven pile, cast-in-situ bored pile and steel pipe composite pile at present
Pile Foundations Design is theoretical and design method, and for the foundation structure research under coral reef special geologic condition, still locate both at home and abroad
In theoretical research stage.
It was verified that traditional cast-in-situ bored pile work efficiency is low under coral reef geological conditions, from great, and steel pipe is squeezed into
Stake is then highly vulnerable to breakage the big Coral Reef Rock of uneven, more gaps, brittleness, to reduce pile bearing capacity；No matter any apply
Work mode cannot all be suitable for coral reef geology, secondly, traditional bored concrete pile or steel-pipe pile are all under off-lying sea adverse circumstances well
There are goods and materials transport difficult, working procedure is complicated, durability is poor, perishable the disadvantages of.
Currently, assembling rapid construction is one of the important development direction in bridge construction field.Meanwhile country is to off-lying sea island
The Development control area dynamics of reef is increasing, and foundation structure construction is the key that islands and reefs construction, the Large scale construction that faces the future (code
Head, airfield runway, tourist facilities etc.), it would be highly desirable to the durable organizational pile foundation structure suitable for coral reef geology of exploiting economy.
Utility model content
The utility model provides a kind of organizational pile foundation structure suitable for coral reef geology, which can make full use of
The high intensity of Skin friction and pile for prestressed pipe is perfused, pile foundation self weight can be greatly reduced, reduce pile body design length.
In order to achieve the goal above, the utility model provides a kind of organizational pile foundation structure suitable for coral reef geology, comprising:
Pile for prestressed pipe, end portion is inserted into ground, and sets bored concrete pile in its lower section.
Preferably, the organizational pile foundation structure suitable for coral reef geology, further includes:
Steel pipe post is located above the pile for prestressed pipe, and is set in outside the pile for prestressed pipe and is separated by one
Set a distance forms the hollow grouting space of an annular, and partly overlaps be arranged therebetween, the hollow grouting space of lap
Interior filling grouting material；Ground is exposed on the steel pipe post top, for connecting with external structure.
Preferably, the organizational pile foundation structure suitable for coral reef geology, further includes:
Temporary support bracket is vertically connected at the pile for prestressed pipe, and circumferential around pile for prestressed pipe setting
Described, temporary support bracket is tightly attached to the steel pipe post lower end, to play support fixed function to the steel pipe post.
Preferably, the organizational pile foundation structure suitable for coral reef geology, the steel pipe post connect a grout pipe,
It is connected to the hollow grouting space between the pile for prestressed pipe and steel pipe post, to inculcate grouting material into the hollow structure.
Preferably, the organizational pile foundation structure suitable for coral reef geology, open up on the steel pipe post side wall to
A few spillage mouth, after being poured and filled for hollow grouting space, extra grouting material is flowed out from spillage mouth.
Preferably, the organizational pile foundation structure suitable for coral reef geology, the pile for prestressed pipe inner wall and institute
It is uneven to state steel pipe post inner wall, forms concave-convex shearing resistance key teeth.
Preferably, the organizational pile foundation structure suitable for coral reef geology, further includes robust structure, specific to wrap
It includes:
Cyclic structure, it is circumferentially distributed to be integrated in the pile for prestressed pipe lower end and being connected thereto, in the cyclic structure
Portion is hollow, and interior bottom surface raises upward, and forms multiple arc-shaped protrusions；
Cyclic annular fixture block, circumferentially distributed to be integrated in the pile for prestressed pipe lower end and being connected thereto, the ring-type fixture block card
In the hollow structure of the cyclic structure, and the cyclic annular fixture block lower surface is recessed inwardly to form multiple arc-shaped grooves,
The arc-shaped groove and the arc-shaped protrusion correspond, and mate with each other, the outer wall of the ring-type fixture block with it is described
The inner wall of cyclic structure is separated by a distance, and is connected each other by multiple springs；
Cyclic annular strip, circumferential direction is attached at the pile for prestressed pipe outer wall, and the cyclic annular strip lower end passes through the ring-type
Structural top, and it is fixed on the cyclic annular fixture block top.
The utility model is include at least the following beneficial effects: the organizational pile foundation of the utility model can make full use of bored concrete pile
Pile foundation self weight can be greatly reduced in the high intensity of all side frictions and UHPC tubular pole, reduce pile body design length, meanwhile, it breaks
Broken coral cay sandstone block can also be repaired well under cement slurry extruding.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of organizational pile foundation structure in the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of organizational pile foundation structure in embodiment 2；
Fig. 3 is the structural schematic diagram of the utility model robust structure.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ",
The instruction such as " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and letter
Change description, be not the device of indication or suggestion meaning or element must have a particular orientation, constructed with specific orientation and
Operation, therefore should not be understood as limiting the present invention.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of organizational pile foundation structure suitable for coral reef geology, comprising:
Pile for prestressed pipe 1, end portion is inserted into coral reef ground, and bored concrete pile 2 is set in its lower section；The prestressing force
Tubular pole is UHPC tubular pole.Pile for prestressed pipe 1 is squeezed into certain depth, is able to maintain that Equilibrium, by 1 conduct of pile for prestressed pipe
Casing carries out conventional helical drilling operation directly in hole.Pile for prestressed pipe 1 can prevent collapse hole, while can also with balancing water pressure
Surface water, protection aperture ground, spud pile base location and drill bit guiding role etc. is enough isolated；And using bored concrete pile carry out into
One step is fixed, and is compared to full utilization pile for prestressed pipe 1 and is fixed, and not only firm effect is more preferable in this way, identical strong
It is smaller to the destruction of coral cay sandstone under degree, it does not need all to squeeze into pile for prestressed pipe 1 in ground, and broken corals
Cay sandstone block can also be repaired well under cement slurry extruding.And 1 inner wall of pile for prestressed pipe is uneven, shape
At concave-convex shearing resistance key teeth, so that connection effect is more preferably between the pile for prestressed pipe 1 and bored concrete pile 2.
Embodiment 2
In another embodiment, as shown in Fig. 2, the organizational pile foundation structure suitable for coral reef geology, further includes:
Steel pipe post 3 is located at 1 top of pile for prestressed pipe, and is set in 1 outside of pile for prestressed pipe and is separated by
Certain distance forms the hollow grouting space 4 of an annular, and partly overlaps be arranged therebetween, and the hollow grouting of lap is empty
Interior filling grouting material；Ground is exposed on the steel pipe post top, for connecting with external structure；The steel pipe post inner wall is recessed
Convex injustice forms concave-convex shearing resistance key teeth.Temporary support bracket 5, is vertically connected at the pile for prestressed pipe 1, and it is circumferential around
The pile for prestressed pipe setting, the temporary support bracket 5 is tightly attached to 3 lower end of steel pipe post, to the steel pipe post 3
Play support fixed function.The steel pipe post 3 connects a grout pipe 6, be connected to the pile for prestressed pipe 1 and steel pipe post 3 it
Between hollow grouting space, to inculcate grouting material into the hollow structure.At least one leakage is opened up on 3 side wall of steel pipe post
Mouth 7 is starched, after being poured and filled for hollow grouting space, extra grouting material is flowed out from spillage mouth.Steps are as follows for its Specific construction:
Step 1), UHPC tubular pole are reached the last, and temporary support bracket is welded in designed elevation；Inserting piling prestressed pipe is equipped using piling
Stake, during piling, drilling rod is inserted into pile for prestressed pipe, and drilling driving sinks when boring；Step 2) promotes drilling rod, transfers reinforcing bar
Cage and conduit, the casting concrete into conduit；Prefabricated steel pipe post is set in outside the pile for prestressed pipe by step 3)
Portion, and temporary support carries out spot welding reinforcing, fills in hollow grouting space finally by grout pipe on bracket after being adjusted in place
Slurry, by dew slurry mouth outflow after filling, it is ensured that grouting gap is completely full, and grouting in place, that is, stops.Entire superstructure is also
It is that steel pipe post 3 is whole across in erection process, scene only needs to carry out sleeve grouting connection, greatly accelerates speed of application.
In another embodiment, the organizational pile foundation structure suitable for coral reef geology, further includes: robust structure,
Comprising:
Cyclic structure 8, circumferentially distributed to be integrated in 1 lower end of pile for prestressed pipe and being connected thereto, the cyclic structure 8
Inner hollow, interior bottom surface raise upward, and form multiple arc-shaped protrusions 9；Cyclic annular fixture block 10, it is circumferentially distributed in described pre-
1 lower end of stress tubular pole and being connected thereto is integrated, and the ring-type fixture block 10 is arranged in the hollow structure of the cyclic structure 5,
And 10 lower surface of the cyclic annular fixture block is recessed inwardly to form multiple arc-shaped grooves 11, the arc-shaped groove 11 and the circle
Arcuation protrusion 9 corresponds, and mates with each other, and the outer wall of the ring-type fixture block 10 and the inner wall of the cyclic structure 5 are homogeneous
At a certain distance, and each other it is connected by multiple springs 12；Cyclic annular strip 13, circumferential direction are attached at the pile for prestressed pipe 1
Outer wall, and cyclic annular 13 lower end of strip passes through 8 top of cyclic structure, and is fixed on 10 top of the cyclic annular fixture block.This
Sample can play good buffer function when there is significant shock generation, such as when earthquake generation, can first absorb counteracting one
Divide energy, reduces the influence to pile for prestressed pipe 1 to the greatest extent.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. a kind of organizational pile foundation structure suitable for coral reef geology characterized by comprising
Pile for prestressed pipe, end portion is inserted into ground, and sets bored concrete pile in its lower section；
Further include:
Steel pipe post is located above the pile for prestressed pipe, and is set in outside the pile for prestressed pipe and is separated by a spacing
From the hollow grouting space for forming an annular, and between the two partly overlap is arranged, and fills out in the hollow grouting space of lap
Charge slurry；Ground is exposed on the steel pipe post top, for connecting with external structure.
2. being suitable for the organizational pile foundation structure of coral reef geology as described in claim 1, which is characterized in that further include:
Temporary support bracket, is vertically connected at the pile for prestressed pipe, and circumferential around described in pile for prestressed pipe setting,
Temporary support bracket is tightly attached to the steel pipe post lower end, to play support fixed function to the steel pipe post.
3. being suitable for the organizational pile foundation structure of coral reef geology as described in claim 1, which is characterized in that the steel pipe post connects
A grout pipe is connect, the hollow grouting space between the pile for prestressed pipe and steel pipe post is connected to, to be filled into the hollow structure
Defeated grouting material.
4. being suitable for the organizational pile foundation structure of coral reef geology as described in claim 1, which is characterized in that the steel pipe post side
At least one spillage mouth is opened up on wall, after being poured and filled for hollow grouting space, extra grouting material is flowed out from spillage mouth.
5. being suitable for the organizational pile foundation structure of coral reef geology as described in claim 1, which is characterized in that the pile for prestressed pipe
Inner wall and the steel pipe post inner wall are uneven, form concave-convex shearing resistance key teeth.
6. being suitable for the organizational pile foundation structure of coral reef geology as described in claim 1, which is characterized in that further include firm knot
Structure specifically includes:
Cyclic structure, it is circumferentially distributed to be integrated in the pile for prestressed pipe lower end and being connected thereto, in the cyclic structure inside
Sky, interior bottom surface raise upward, and form multiple arc-shaped protrusions；
Cyclic annular fixture block, circumferentially distributed to be integrated in the pile for prestressed pipe lower end and being connected thereto, the ring-type fixture block is arranged in
In the hollow structure of the cyclic structure, and the cyclic annular fixture block lower surface is recessed inwardly to form multiple arc-shaped grooves, described
Arc-shaped groove and the arc-shaped protrusion correspond, and mate with each other, the outer wall of the ring-type fixture block and the ring-type
The inner wall of structure is separated by a distance, and is connected each other by multiple springs；
Cyclic annular strip, circumferential direction is attached at the pile for prestressed pipe outer wall, and the cyclic annular strip lower end passes through the cyclic structure
Top, and it is fixed on the cyclic annular fixture block top.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989865.9U CN208933955U (en) | 2018-06-26 | 2018-06-26 | Organizational pile foundation structure suitable for coral reef geology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820989865.9U CN208933955U (en) | 2018-06-26 | 2018-06-26 | Organizational pile foundation structure suitable for coral reef geology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867634A (en) * | 2018-06-26 | 2018-11-23 | 中交第二航务工程局有限公司 | Organizational pile foundation structure and its construction method suitable for coral reef geology |
| CN113250189A (en) * | 2021-06-21 | 2021-08-13 | 郑州辉昂装饰设计工程有限公司 | Construction method of combined pile foundation for reinforcing prestressed pipe pile |
| CN113417282A (en) * | 2021-07-22 | 2021-09-21 | 中国电建集团华东勘测设计研究院有限公司 | Novel single-pile transition section and installation method thereof |
-
2018
- 2018-06-26 CN CN201820989865.9U patent/CN208933955U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867634A (en) * | 2018-06-26 | 2018-11-23 | 中交第二航务工程局有限公司 | Organizational pile foundation structure and its construction method suitable for coral reef geology |
| CN108867634B (en) * | 2018-06-26 | 2023-05-05 | 中交第二航务工程局有限公司 | Combined pile foundation structure suitable for coral reef geology and construction method thereof |
| CN113250189A (en) * | 2021-06-21 | 2021-08-13 | 郑州辉昂装饰设计工程有限公司 | Construction method of combined pile foundation for reinforcing prestressed pipe pile |
| CN113250189B (en) * | 2021-06-21 | 2023-08-04 | 郑州辉昂装饰设计工程有限公司 | Construction method of combined pile foundation for reinforcing prestressed pipe pile |
| CN113417282A (en) * | 2021-07-22 | 2021-09-21 | 中国电建集团华东勘测设计研究院有限公司 | Novel single-pile transition section and installation method thereof |
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