CN208685643U - A kind of bionical precast hollow pile foundation - Google Patents
A kind of bionical precast hollow pile foundation Download PDFInfo
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- CN208685643U CN208685643U CN201821090065.XU CN201821090065U CN208685643U CN 208685643 U CN208685643 U CN 208685643U CN 201821090065 U CN201821090065 U CN 201821090065U CN 208685643 U CN208685643 U CN 208685643U
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- principal post
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Abstract
The utility model embodiment provides a kind of bionical precast hollow pile foundation, belongs to transmission line tower foundation field.The basis includes: basic principal post, multiple keys, thin-walled capsula interna and multiple bolts, wherein basic principal post is column structure, and basic principal post is internally provided with the hollow hole axially extended；Thin-walled capsula interna is set to the inside of the hollow hole, reduces the weight of basic principal post and the dosage of concrete；Radially direction is respectively arranged with multiple key preformed holes on the side wall of basic principal post, and a root key is inserted into corresponding one described key preformed hole；Bolt is inserted into the top of the basic principal post.Compared with conventional foundation, under same geological conditions and external load function, above-mentioned bionical precast hollow pile foundation has saved a large amount of concrete and reinforcing bar, has had excellent effect in economic aspect.
Description
Technical field
The utility model relates to transmission line tower foundation field, in particular to a kind of bionical precast hollow pile foundation.
Background technique
Pole and tower foundation is the important component of transmission line of electricity, is connection and transition between steel tower and ground, effect
It is steadily, to be successfully transmitted to active force of the steel tower to basis in ground, to not cause the unstability of ground.In power engineering
In construction, hills or mountain area generally use the raw fly ash of electric power line pole tower, and with the increasingly propulsion of power construction, iron
The active force that tower acts on transmission line tower foundation constantly increases.
In the prior art, the raw fly ash of electric power line pole tower is general are as follows: digging foundation, the digging foundation include basis
Principal post is processed using the method for concreting.
In the process of implementing the utility model, inventor discovery in the prior art the prior art has at least the following problems:
Since digging foundation stake diameter is larger and is solid pile, to need a large amount of reinforcing bar and concrete, higher cost.
Utility model content
The utility model embodiment provides a kind of bionical precast hollow pile foundation, can reduce concrete and reinforcing bar is used
Amount, to reduce cost.Specific technical solution is as follows:
A kind of bionical precast hollow pile foundation, the basis include: basic principal post, multiple keys, thin-walled capsula interna and multiple
Bolt, wherein
The basis principal post is column structure, and the basis principal post is internally provided with the hollow hole axially extended；
The thin-walled capsula interna is set to the inside of the hollow hole；
Radially direction is respectively arranged with multiple key preformed holes, a described key on the side wall of the basis principal post
It is inserted into corresponding one described key preformed hole；
The bolt is inserted into the top of the basic principal post.
Optionally, the bolt is foundation bolt, the foundation bolt be inserted into the basic principal post part and the base
The inclination connection of plinth principal post, the part for being not inserted into the basic principal post vertical with the top surface of the basic principal post are connect.
Optionally, the foundation bolt is inserted into the part of the basic principal post and the angle of the basic principal post axis is little
In 10 °.
Optionally, the foundation bolt is inserted into the 35-40 that the length of the part of the basic principal post is foundation bolt diameter
Times.
Optionally, the center of the radial direction of the basic principal post is arranged in the thin-walled capsula interna.
Optionally, the basic principal post in axial direction be internally provided with reinforcing bar, the basis principal post is by being arranged
Thin-walled capsula interna, casting concrete forms on the bolt and the reinforcing bar.
Optionally, the shape of the cross section of the basic principal post is round or polygon.
Optionally, the multiple key preformed hole includes the multiple key preformed hole groups at different height position, often
In a root key preformed hole group, root key preformed hole is uniformly distributed circumferentially.
Optionally, the shape of the cross section of described key is wedge shape.
Optionally, the thin-walled capsula interna is made of the closed tubing in four ends.
Technical solution provided by the embodiment of the utility model the utility model has the advantages that
The utility model embodiment provides a kind of bionical precast hollow pile foundation, and basis includes: basic principal post, Duo Gegen
Key and multiple bolts, wherein basic principal post is column structure, and basic principal post is axially disposed hollow hole, the setting of thin-walled capsula interna
Inside hollow hole, reduce the weight of basic principal post and the dosage of concrete；It is radially square on the side wall of basic principal post
To multiple key preformed holes are respectively arranged with, a root key is inserted into corresponding root key preformed hole, increases bionical prefabricated sky
The contact area of heart pile foundation and the soil body increases the bearing capacity on vertically and horizontally, to enhance bionical prefabricated sky
The stability of heart pile foundation.Compared with conventional foundation, under same geological conditions and external load function, above-mentioned bionical prefabricated sky
Heart pile foundation reduces the dosage of concrete and reinforcing bar, has excellent effect in economic aspect.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram for bionical precast hollow pile foundation that utility model embodiment provides；
Fig. 2 is a kind of cross-sectional view for bionical precast hollow pile foundation that utility model embodiment provides.
Appended drawing reference respectively indicates:
1-basic principal post,
2-root keys,
3-thin-walled capsula internas,
4-bolts,
5-reinforcing bars.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The utility model provides a kind of bionical precast hollow pile foundation, and basis includes: basic principal post, multiple keys, thin
Wall capsula interna and multiple bolts, wherein basic principal post is column structure, and being internally provided with of basic principal post axially extends hollow
Hole；Thin-walled capsula interna is set to the inside of hollow hole；Radially direction is respectively arranged with multiple keys on the side wall of basic principal post
Preformed hole, a root key are inserted into corresponding root key preformed hole.Bolt enters to the top of basic principal post.
The basic principal post of bionical precast hollow pile foundation provided by the embodiment of the utility model is set along axial hollow hole
It is equipped with thin-walled capsula interna, reduces the weight of basic principal post and the dosage of concrete；It is radially square on the side wall of basic principal post
To multiple keys are respectively arranged with, increase the contact area of bionical precast hollow pile foundation and the soil body, increases vertical direction and water
Square upward bearing capacity, to enhance the stability of bionical precast hollow pile foundation.Compared with conventional foundation, similarly
Under matter condition and external load function, above-mentioned bionical precast hollow pile foundation reduces the dosage of concrete and reinforcing bar, in economy
Aspect has excellent effect.
An embodiment of the present invention provides a kind of bionical precast hollow pile foundation, and Fig. 1 is the utility model embodiment
A kind of structural schematic diagram of the bionical precast hollow pile foundation provided；Fig. 2 is that one kind that the utility model embodiment provides is bionical
The cross-sectional view of precast hollow pile foundation.
As shown in Figure 1, a kind of bionical precast hollow pile foundation provided by the utility model, which includes: basic principal post
1, multiple keys 2, thin-walled capsula interna 3 and multiple bolts 4.
Basic principal post 1 is column structure, which is internally provided with the hollow hole axially extended.Wherein, empty
There are many shapes of the cross section in heart hole, can be circle, rectangle etc..The shape of the cross section of hollow hole and basic principal post 1
The shape of cross section can not be identical.
Thin-walled capsula interna 3 is set to the inside of hollow hole；Wherein, thin-walled capsula interna 3 is flexible structure, and cross section is rectangle
Or it is round, it, can be by thin-walled capsula interna 3 in order to make side wall and the inner wall of hollow hole of thin-walled capsula interna 3 closely fit together
The shape of cross section of shape and hollow hole of cross section is identical, such as: when the shape of the cross section of hollow hole is circle, thin-walled
The shape of the cross section of capsula interna 3 is also configured as circle.
Radially direction is respectively arranged with multiple key preformed holes on the side wall of basic principal post 1, and a root key 2 is inserted into
Corresponding root key preformed hole.
Wherein, particular number the utility model embodiment of root key preformed hole is not construed as limiting, and those skilled in the art can be with
It is determined according to the actual situation.It will be appreciated by persons skilled in the art that the quantity of root key preformed hole and the quantity of root key
Usually match.
In the present invention, root key 2 passes through root key preformed hole from the inside of basic principal post 1 and extends to basic principal post 1
Outside certain length.In the present invention, root key can use a variety of high duty metal materials, to enhance the intensity of root key.
For example, the material of root key 2 can be steel, the rank of steel is not less than Q235.
Root key 2 is arranged in there are many modes on basic principal post 1.In a kind of possible embodiment, root key 2 is on basis
Upper and lower level interlaced arrangement on the lateral wall of principal post 1.
Bolt 4 is inserted into the top of basic principal post 1.The quantity of bolt can be set to 4-24 branch, material Q345, Q45
Number steel or 42CrMo.
In order to which bionical precast hollow pile foundation to be connect with steel tower, bolt 4 can be foundation bolt, and foundation bolt is inserted into base
The part of plinth principal post 1 and the inclination of basic principal post 1 connect, and the part for being not inserted into basic principal post 1 vertical with the top surface of basic principal post 1 connects
It connects.
In order to improve the stability of foundation bolt, the part of the basic principal post 1 of foundation bolt insertion and basic 1 axis of principal post
Angle is not more than 10 °, such as angle can be set to 4 °, 6 ° and 8 ° etc..
Foundation bolt is extracted on the basis of bionical Prefabricated hollow pile in order to prevent, and it is main that foundation bolt insertion basis can be set
The length of the part of column 1 is 35-40 times of foundation bolt diameter.
In order to guarantee that bionical precast hollow pile foundation is symmetrical, the radial direction of basic principal post 1 is arranged in thin-walled capsula interna 3
Center.
In order to reinforce the dosage of the closure of thin-walled capsula interna 3 and the concrete of the basic principal post of reduction, thin-walled capsula interna 3 is by four
Closed tubing is held to constitute.
As shown in Fig. 2, in order to improve the intensity of basic principal post 1, basic principal post 1 in axial direction be internally provided with reinforcing bar
5, the basis principal post 1 by the thin-walled capsula interna 3, bolt 4 and reinforcing bar 5 of setting casting concrete form.
Wherein, reinforcing bar material can be HRB400, and the distance between adjacent two reinforcing bars and the diameter sheet of reinforcing bar are practical new
Type embodiment is not particularly limited, and those skilled in the art can be determines according to actual conditions.
In the present invention, the shape of the cross section of basic principal post 1 can be round or polygon.
In order to reinforce resisting the ability of horizontally or obliquely active force, multiple key preformed holes include being located at different height position
The multiple key preformed hole groups at place, in each key preformed hole group, root key preformed hole is uniformly distributed circumferentially.
Wherein, the shape of the cross section of root key 2 is wedge shape.
A kind of bionical precast hollow pile foundation provided by the utility model can be constructed using construction method below,
Specifically includes the following steps:
In factory, more reinforcing bars, bolt and thin-walled capsula interna are pressed into pre-determined bit by calculated result and practical shaft tower pattern
It sets and fixes, and the position of root key preformed hole is determined, root key preformed hole is made according to the size of root key preformed hole, by root
Key is inserted into root key preformed hole, and one-time-concreting forms in factory, forms a kind of base form of common stress.
It when carrying out site operation, carries out manually or mechanically diagonal operation and excavates, when excavation, to make hole wall uneven,
To increase the frictional force on basis.After borehole to designed elevation and diameter, the soil disturbed to the loose quarrel of bottom hole, mud etc. is carried out clearly
It removes, guarantees that bottom hole is smooth and the exposed requirement of undisturbed soil, the big 30- of diameter of the bionical precast hollow pile foundation of aperture ratio after molding
50cm。
After drawing the type of scraping out, according to location dimension, bionical precast hollow pile foundation is lifted, installation is to having drawn the type of scraping out
Hole wall in.Finally surrounding space is backfilled with rubble or fine sand.
The above is only the preferred embodiment of the present invention, the protection scope being not intended to limit the utility model,
Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this reality
Within novel protection scope.
Claims (10)
1. a kind of bionical precast hollow pile foundation, which is characterized in that the basis include: basic principal post (1), multiple keys (2),
Thin-walled capsula interna (3) and multiple bolts (4), wherein
The basis principal post (1) is column structure, and the basis principal post (1) is internally provided with the hollow hole axially extended；
The thin-walled capsula interna (3) is set to the inside of the hollow hole；
Radially direction is respectively arranged with multiple key preformed holes, a described key on the side wall of the basis principal post (1)
(2) it is inserted into corresponding one described key preformed hole；
The bolt (4) is inserted into the top of the basic principal post (1).
2. basis according to claim 1, which is characterized in that the bolt (4) is foundation bolt, and the foundation bolt is inserted
The part for entering the basic principal post (1) is tilted with the basic principal post (1) to be connected, and the part of the basic principal post (1) is not inserted into
It is vertical with the top surface of the basic principal post (1) to connect.
3. basis according to claim 2, which is characterized in that the portion of the foundation bolt insertion basic principal post (1)
Divide and is not more than 10 ° with the angle of described basic principal post (1) axis.
4. basis according to claim 3, which is characterized in that the portion of the foundation bolt insertion basic principal post (1)
The length divided is 35-40 times of foundation bolt diameter.
5. basis according to claim 1, which is characterized in that thin-walled capsula interna (3) setting is in the basic principal post (1)
Radial direction center.
6. basis according to claim 1, which is characterized in that the inside setting of the basis principal post (1) in axial direction
Have reinforcing bar (5), the basis principal post (1) on the thin-walled capsula interna (3), the bolt (4) and the reinforcing bar (5) of setting by pouring
Concrete is built to form.
7. basis according to claim 1, which is characterized in that the shape of the cross section of the basis principal post (1) is circle
Or polygon.
8. basis according to claim 1, which is characterized in that the multiple key preformed hole includes being located at different height position
Set the multiple key preformed hole groups at place, in each key preformed hole group, root key preformed hole is uniformly distributed circumferentially.
9. basis according to claim 1, which is characterized in that the shape of the cross section of described key (2) is wedge shape.
10. basis according to claim 1, which is characterized in that the thin-walled capsula interna (3) is by the closed tubing structure in four ends
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821090065.XU CN208685643U (en) | 2018-07-10 | 2018-07-10 | A kind of bionical precast hollow pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821090065.XU CN208685643U (en) | 2018-07-10 | 2018-07-10 | A kind of bionical precast hollow pile foundation |
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| Publication Number | Publication Date |
|---|---|
| CN208685643U true CN208685643U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821090065.XU Active CN208685643U (en) | 2018-07-10 | 2018-07-10 | A kind of bionical precast hollow pile foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235633A (en) * | 2021-04-06 | 2021-08-10 | 陕西电力建设集团有限公司 | Prefabricated anchoring foundation for frozen soil foundation of transformer substation |
-
2018
- 2018-07-10 CN CN201821090065.XU patent/CN208685643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235633A (en) * | 2021-04-06 | 2021-08-10 | 陕西电力建设集团有限公司 | Prefabricated anchoring foundation for frozen soil foundation of transformer substation |
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