CN208088290U - Organizational pile foundation structure - Google Patents
Organizational pile foundation structure Download PDFInfo
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- CN208088290U CN208088290U CN201820228414.3U CN201820228414U CN208088290U CN 208088290 U CN208088290 U CN 208088290U CN 201820228414 U CN201820228414 U CN 201820228414U CN 208088290 U CN208088290 U CN 208088290U
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- pile
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- foundation structure
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Abstract
The utility model is related to the installation methods of piling strtucture technical field more particularly to a kind of organizational pile foundation structure and the organizational pile foundation structure.The organizational pile foundation structure includes pile body, and pile body includes the lower pile cutoff that material is concrete and the upper pile cutoff that material is steel, is fixedly connected between lower pile cutoff and upper pile cutoff, and when pile body is squeezed into ground, lower pile cutoff enters Deep Rock soil layer, and upper pile cutoff enters shallow rock soil layer.The installation method of the organizational pile foundation structure includes Step 1: specifying target location to drill in rock-soil layer, and the diameter in hole is more than the maximum gauge of the pile body of organizational pile foundation structure；Step 2: the pile body kind of organizational pile foundation structure is entered in hole；Step 3: filling backfilling material in the inner space of pile body and in the gap in pile body and hole.Lower pile cutoff is made of concrete, not only can guarantee the bearing capacity of piling strtucture, but also can effectively reduce the dosage of Steel material, substantially reduces the project cost of piling strtucture, and manufacture very convenient.
Description
Technical field
The utility model is related to piling strtucture technical field more particularly to a kind of organizational pile foundation structures and the built pile base junction
The installation method of structure.
Background technology
Land is built or offshore engineering structure all has and squeezes into the piling strtucture of rock-soil layer certain depth as brace foundation,
The pile body of piling strtucture enters the part (part for entering Deep Rock soil layer) of rock-soil layer certain depth, and stress is mainly axis
Xiang Li, suffered horizontal force and moment of flexure are then smaller, and the increase of usual pile body length is mainly axially held also for meeting piling strtucture
Carry the requirement of power.
In the prior art, to ensure that the intensity and bearing capacity of piling strtucture, pile body are all made of Steel material and are made.But with close
The price of Steel material is constantly soaring over year, and the project cost of piling strtucture is caused gradually to be promoted.Therefore, there is an urgent need for one kind can be full
Under the premise of sufficient piling strtucture requirement for bearing capacity, reduction Steel material dosage, the piling strtucture for reducing cost.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of organizational pile foundation structure and the peaces of the organizational pile foundation structure
Dress method can be reduced Steel material dosage, reduce cost under the premise of meeting piling strtucture requirement for bearing capacity, existing to overcome
There is the drawbacks described above of technology.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
A kind of organizational pile foundation structure, including pile body, pile body includes the lower pile cutoff that material is concrete and material is the upper of steel
Pile cutoff is fixedly connected between lower pile cutoff and upper pile cutoff, and when pile body is squeezed into rock-soil layer, lower pile cutoff enters Deep Rock soil layer, upper stake
Section enters shallow rock soil layer.
Preferably, it is equipped with first flange disk close to one end of upper pile cutoff in lower pile cutoff, in upper pile cutoff close to the one of lower pile cutoff
End is equipped with second flange disk, and first flange disk is connected to each other with second flange disk.
Preferably, lower pile cutoff is prestressed reinforced concrete construction.
Preferably, lower pile cutoff and/or upper pile cutoff are thin-wall construction.
Preferably, the axis of upper pile cutoff and lower pile cutoff overlaps.
Preferably, it there are one pile body is set, is equipped in the one end of upper pile cutoff far from lower pile cutoff and is supported structure for connecting
Third ring flange.
Preferably, pile body is equipped with multiple, and organizational pile foundation structure further includes one for connect the supporting station for being supported structure, branch
Cushion cap is supported on the upper pile cutoff of all pile bodies far from one end of lower pile cutoff.
A kind of installation method of organizational pile foundation structure as described above, includes the following steps：Step 1: specified in rock-soil layer
Target location drills, and the diameter in hole is more than the maximum gauge of the pile body of organizational pile foundation structure；Step 2: by organizational pile foundation structure
Pile body kind enters in hole；Step 3: filling backfilling material in the inner space of pile body and in the gap in pile body and hole.
Preferably, in step 1, first specify target location to squeeze into a steel pile casting in rock-soil layer, then in steel pile casting into
Row drilling.
Preferably, further comprising the steps of after step 3：Step 4: extracting steel pile casting；Step 5: extracting steel
Backfilling material is filled in the hole generated after casing.
Compared with prior art, the utility model has significant progress：
Pile body is divided into two sections, the lower pile cutoff for entering Deep Rock soil layer is made of concrete, and into shallow rock soil
The upper pile cutoff of the steel material of layer collectively forms a combined pile body, thus instead of the whole-steel pile body of existing piling strtucture, significantly
Reduce the dosage of Steel material.Since lower pile cutoff enters Deep Rock soil layer, stress is mainly axial force, suffered horizontal force and
Moment of flexure is then smaller, moreover, the stake soil side resistance value between concrete-pile and piling bar and rock-soil layer differs smaller, therefore, lower pile cutoff
It is made of concrete, not only can guarantee the bearing capacity of piling strtucture, but also the dosage of Steel material can be effectively reduced, substantially reduced pile foundation
The project cost of structure, and manufacture very convenient.Especially for China's wind-powered electricity generation industry piling strtucture the universal size of pile body compared with
Long present situation provides a kind of organizational pile foundation structure of alternative good economy performance, has significant economic benefit.
Description of the drawings
Fig. 1 is the schematic front view of the pile body of the organizational pile foundation structure of the utility model.
Fig. 2 is the schematic cross-sectional view along A-A in Fig. 1.
Fig. 3 is the schematic cross-sectional view along B-B in Fig. 2.
Fig. 4 is the schematic diagram of the first embodiment of the organizational pile foundation structure of the utility model.
Fig. 5 is the schematic diagram of second of embodiment of the organizational pile foundation structure of the utility model.
In figure：
10, rock-soil layer 1, pile body
11, lower pile cutoff 12, upper pile cutoff
13, first flange disk 14, second flange disk
15, third ring flange 2, bolt
3, structure 4, supporting station are supported
5, changeover portion 51, the 4th ring flange
6, backfilling material
Specific implementation mode
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.These embodiments are only
For illustrating the utility model, and it is not limitation of the utility model.
In the description of the present invention, it should be noted that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Figures 1 to 5, the utility model provides a kind of organizational pile foundation structure.
Referring to Fig. 1 to Fig. 3, the organizational pile foundation structure of the utility model includes pile body 1, and pile body 1 includes lower pile cutoff 11 and upper
The material of pile cutoff 12, lower pile cutoff 11 is concrete, and the material of upper pile cutoff 12 is steel, fixed between lower pile cutoff 11 and upper pile cutoff 12 to connect
It connects.Referring to Fig. 4, when pile body 1 is squeezed into rock-soil layer 10, lower pile cutoff 11 enters Deep Rock soil layer 10, and upper pile cutoff 12 enters shallow-layer rock
Soil layer 10 descends the depth that pile cutoff 11 enters rock-soil layer 10 to be more than the depth that upper pile cutoff 12 enters rock-soil layer 10, that is, in ground
In layer 10, lower pile cutoff 11 is located at the lower section of upper pile cutoff 12.Since lower pile cutoff 11 enters Deep Rock soil layer 10, stress is mainly axis
Xiang Li, suffered horizontal force and moment of flexure are then smaller, moreover, the stake soil side between concrete-pile and piling bar and rock-soil layer 10 hinders value
Difference is smaller, and therefore, lower pile cutoff 11 is made of concrete, not only can guarantee the bearing capacity of piling strtucture, but also can effectively reduce steel
The dosage of material substantially reduces the project cost of piling strtucture, and manufactures very convenient.
Preferably, the lower pile cutoff 11 of pile body 1 can be prestressed reinforced concrete construction.Further, lower pile cutoff 11 may be used
Thin-wall construction, and the cross-sectional shape of lower pile cutoff 11 does not limit to, and can be that circle is rectangular or quincunx, it should be according to practical need
It asks and is determined.
Preferably, the upper pile cutoff 12 of pile body 1 can also use thin-wall construction, and the cross-sectional shape of upper pile cutoff 12 is not yet
Limitation can be round rectangular or quincunx, should be determined according to actual demand.
Preferably, the upper pile cutoff 12 of pile body 1 and the axis of lower pile cutoff 11 overlap, to obtain maximum axial carrying
Power.
Referring to Fig. 3, to realize lower being fixedly connected between pile cutoff 11 and upper pile cutoff 12, it is preferable that can be in lower pile cutoff 11
It is equipped with first flange disk 13 close to one end of upper pile cutoff 12, second flange disk is equipped with close to one end of lower pile cutoff 11 in upper pile cutoff 12
14, first flange disk 13 is connected to each other with second flange disk 14, to realize the connection of lower pile cutoff 11 and upper pile cutoff 12.First flange
The form of disk 13 and second flange disk 14 is not limited to, and can be L-type or T-type.First flange disk 13 and second flange disk 14
Docking mode also do not limit to, for example, first flange disk 13 can be fixedly connected with second flange disk 14 by bolt 2, certainly,
First flange disk 13 can also be attached with second flange disk 14 by other attachments.
Referring to Fig. 4, in a kind of embodiment of the utility model, when pile body 1 is when being relatively large in diameter, organizational pile foundation structure
One pile body 1 can be only set, and directly arrangement is supported structure 3 on pile body 1.It preferably, can be in the upper pile cutoff of pile body 1
Third ring flange 15 is set on 12 one end far from lower pile cutoff 11, is connect by third ring flange 15 with structure 3 is supported, is realized
Single pile body 1 is to being supported the support of structure 3.It is supported structure 3 not limit to, such as can be blower fan tower barrel.
Referring to Fig. 5, in the another embodiment of the utility model, when the diameter of pile body 1 is smaller, built pile base junction
Multiple pile bodies 1 can be arranged in structure, then organizational pile foundation structure further includes one for connecting the branch for being supported structure (being not shown in Fig. 5)
Cushion cap 4, supporting station 4 are supported on the upper pile cutofves 12 of all pile bodies 1 far from one end of lower pile cutoff 11, by supporting station 4 with propped up
Support structure connects, and realizes multiple pile bodies 1 jointly to being supported the support of structure.The quantity of pile body 1 is not limited to, can be according to stake
The size of body 1 and the size and weight for being supported structure are designed.The form of supporting station 4 is not also limited to, and can be concrete
Supporting station can also use steel truss structure.Preferably, a changeover portion 5 can be set on the holding table 4, it is separate in changeover portion 5
One the 4th ring flange 51 is arranged in one end of supporting station 4, then can be connect by the 4th ring flange 51 with structure is supported.Preferably,
Changeover portion 5 is made of Steel material.Do not limit to likewise, being supported structure, such as can be blower fan tower barrel.
To sum up, the organizational pile foundation structure of the utility model, it is two sections that pile body 1, which is divided to, is entered under Deep Rock soil layer 10
Pile cutoff 11 is made of concrete, and a combined pile body 1 is collectively formed with the upper pile cutoff 12 for the steel material for entering shallow rock soil layer 10,
To instead of the whole-steel pile body of existing piling strtucture, greatly reduce the dosage of Steel material.Since lower pile cutoff 11 enters deeply
Layer rock-soil layer 10, stress is mainly axial force, and suffered horizontal force and moment of flexure are then smaller, moreover, concrete-pile and piling bar with
Stake soil side resistance value difference between rock-soil layer 10 is smaller, and therefore, lower pile cutoff 11 is made of concrete, both can guarantee pile foundation knot
The bearing capacity of structure, and the dosage of Steel material can be effectively reduced, the project cost of piling strtucture is substantially reduced, and manufacture very square
Just.Especially for the present situation of the universal longer dimension of pile body of China's wind-powered electricity generation industry piling strtucture, provide a kind of alternative
The organizational pile foundation structure of good economy performance has significant economic benefit.
Based on said combination piling strtucture, the utility model additionally provides a kind of installation method of organizational pile foundation structure.This
The installation method of the organizational pile foundation structure of utility model includes the following steps：
Step 1: specifying target location to drill in rock-soil layer 10, the diameter in hole is more than the pile body 1 of organizational pile foundation structure most
Major diameter, for being put into pile body 1.When 10 geological stability of rock-soil layer is preferable, can directly drill on rock-soil layer 10.Work as rock
When 10 geological stability of soil layer is not good enough, then first target location can be specified to squeeze into a steel pile casting in rock-soil layer 10, then in steel
It drills in casing.
Step 2: a kind of the pile body of organizational pile foundation structure is entered in hole.Since the lower pile cutoff 11 of pile body 1 uses concrete system
At intensity is relatively low, and it is relatively deep to bury, and should not directly be squeezed into rock-soil layer 10 using pile monkey, therefore first refers in rock-soil layer 10
Set the goal position drilling, then a kind of the pile body of organizational pile foundation structure is entered in hole, can ensure the embedded depth of pile body 1, and ensure
The quality of lower pile cutoff 11, for embedding rock area, economic advantages will be particularly evident.
Step 3: filling backfilling material 6 in the inner space of pile body 1 and in pile body 1 and the gap in hole.Backfilling material 6
It can be Cast-in-situ Piles in Sand-filling clay, or concrete perfusion.The backfill amount of backfilling material 6 should be according to the carrying of organizational pile foundation structure
Power needs and the actual loading feature of pile body 1 is determined.
If Step 4: drilling using steel pile casting in step 1, steel pile casting need to be extracted after completing step 3.
Step 5: filling backfilling material in the hole generated after extracting steel pile casting, the backfilling material filled at this time also may be used
Think backfill sand clay or concrete perfusion.
So far, installation is complete for the utility model organizational pile foundation structure.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (7)
1. a kind of organizational pile foundation structure, which is characterized in that including pile body (1), the pile body (1) includes that material is under concrete
Pile cutoff (11) and the upper pile cutoff (12) that material is steel, are fixedly connected between lower pile section (11) and upper pile section (12), will
When the pile body (1) squeezes into rock-soil layer (10), lower pile section (11) enter Deep Rock soil layer (10), upper pile section (12) into
Enter shallow rock soil layer (10).
2. organizational pile foundation structure according to claim 1, which is characterized in that in lower pile section (11) close to upper pile
One end of section (12) is equipped with first flange disk (13), and the is equipped with close to one end of lower pile section (11) in upper pile section (12)
Two ring flanges (14), the first flange disk (13) are connected to each other with the second flange disk (14).
3. organizational pile foundation structure according to claim 1, which is characterized in that lower pile section (11) is prestressed concrete
Structure.
4. organizational pile foundation structure according to claim 1, which is characterized in that lower pile section (11) and/or upper pile
Section (12) is thin-wall construction.
5. organizational pile foundation structure according to claim 1, which is characterized in that upper pile section (12) and lower pile section
(11) axis overlaps.
6. organizational pile foundation structure according to claim 1, which is characterized in that there are one the pile body (1) sets, on described
The one end of pile cutoff (12) far from lower pile section (11) is equipped with for connecting the third ring flange (15) for being supported structure (3).
7. organizational pile foundation structure according to claim 1, which is characterized in that the pile body (1) is equipped with multiple, the combination
Piling strtucture further includes one for connecting the supporting station (4) for being supported structure, and the supporting station (4) is supported on all pile bodies
(1) on the one end of upper pile section (12) far from lower pile section (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228414.3U CN208088290U (en) | 2018-02-08 | 2018-02-08 | Organizational pile foundation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820228414.3U CN208088290U (en) | 2018-02-08 | 2018-02-08 | Organizational pile foundation structure |
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| Publication Number | Publication Date |
|---|---|
| CN208088290U true CN208088290U (en) | 2018-11-13 |
Family
ID=64064186
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820228414.3U Withdrawn - After Issue CN208088290U (en) | 2018-02-08 | 2018-02-08 | Organizational pile foundation structure |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130327A (en) * | 2018-02-08 | 2019-08-16 | 上海勘测设计研究院有限公司 | Organizational pile foundation structure and its installation method |
-
2018
- 2018-02-08 CN CN201820228414.3U patent/CN208088290U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130327A (en) * | 2018-02-08 | 2019-08-16 | 上海勘测设计研究院有限公司 | Organizational pile foundation structure and its installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20220331 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20220331 |