CN209162873U - A kind of trave bored concrete pile foundation suitable for weak soil - Google Patents
A kind of trave bored concrete pile foundation suitable for weak soil Download PDFInfo
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- CN209162873U CN209162873U CN201821938729.3U CN201821938729U CN209162873U CN 209162873 U CN209162873 U CN 209162873U CN 201821938729 U CN201821938729 U CN 201821938729U CN 209162873 U CN209162873 U CN 209162873U
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- trave
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Abstract
The utility model relates to a kind of wind power generation stepped foundation structure more particularly to a kind of trave bored concrete pile foundations suitable for weak soil, including the cast-in-place concrete pile that several are arranged vertically, and surround prism structure;Concrete important actor is located inside the prism structure and coaxially arranged with the prism structure;Outer wall one week of the concrete important actor is uniformly connected with several radial coupling beams, several described radial coupling beams are respectively connected to corresponding cast-in-place concrete pile;Several prestressed bolts are equipped with inside the concrete important actor, the prestressed bolt bottom end is connect with lower anchor slab, and the prestressed bolt top is connect with upper anchor slab.The utility model ensure that the rigid connection of tower and basis, reduce steel using amount, while also simplifying construction.
Description
Technical field
The utility model relates to a kind of wind power generation stepped foundation structure more particularly to a kind of trave fillings suitable for weak soil
Infuse pile foundation.
Background technique
The wind power generation stepped basis on weak soil mostly uses independent spread foundation at present, and carries out pile foundation in lower part.It is independent
Spread foundation is matched with foundation condition appropriate can reach preferable Compressive Bearing Capacity, so more in housing construction base for post
There is use.But for wind power generation stepped, superstructure is primarily not pressure but moment of flexure to the active force on basis, so passing
The anti-pressure ability that unification and independence stand spread foundation is had a surplus, and bending resistance is insufficient, thus causes the larger waste of basic engineering.
Existing wind power generation stepped independent spread foundation mostly uses Varying-thickness cantilevered plate as basic bottom plate, since basis is flat
Face figure size is big, and the cantilever span of plate is big, and structure effect is very big after cantilever slab stress, therefore basis is uneconomical, invests larger.
Utility model content
To solve the above problems, that the purpose of this utility model is to provide a kind of rigidity is good, steel using amount is small, construction is simple
Trave bored concrete pile foundation suitable for weak soil.
The purpose of this utility model is achieved through the following technical solutions:
A kind of trave bored concrete pile foundation suitable for weak soil, comprising:
Several cast-in-place concrete piles arranged vertically are connected between adjacent concrete bored concrete pile by side bar and surround rib
Column structure;
Concrete important actor, the concrete important actor are the cylindrical structure that cross section is in circular ring shape, are located at the prism
Inside configuration and coaxially arranged with the prism structure;Outer wall one week of the concrete important actor is uniformly connected with several diameters
To coupling beam, the radial direction coupling beam quantity is corresponding with cast-in-place concrete pile quantity, and several described radial coupling beams are separately connected
To corresponding cast-in-place concrete pile;Several prestressed bolts are equipped with inside the concrete important actor, the prestressed bolt is perpendicular
Straight arrangement, the prestressed bolt bottom end are connect with the lower anchor slab for being located at concrete important actor bottom, the prestressed bolt top
It is connect with the upper anchor slab being located at the top of concrete important actor.
Further, the quantity of cast-in-place concrete pile, radial coupling beam and side bar is respectively 6~12.
Further, concrete important actor bottom has been evenly arranged 4~20 support components, and the lower anchor slab is fixed on
In the support component.
Further, the concrete important actor includes the small column being coaxially disposed respectively with the prism structure and great circle
Column, the small column are located at big cylindrical inside;The small column inner hollow;Several described prestressed bolts are evenly arranged in
Between the big cylinder and small column;Several described radial coupling beam one end connect the outer wall of the big cylinder, other end difference
Connect corresponding cast-in-place concrete pile.
Further, the radial coupling beam is reinforced concrete structure, and the concrete important actor, side bar and radial coupling beam are equal
It is disposed with reinforcing bar.
Further, the radial coupling beam is positioned at cast-in-place concrete pile and concrete important actor between, the radial direction coupling beam and
The cast-in-place concrete pile, side bar and concrete important actor bundle simultaneously casting concrete company by extending radially out reinforcing bar respectively
It connects.
Further, each cast-in-place concrete pile is cylindrical shape, and diameter is 800mm~2000mm, and length is 5~
40m。
Further, the radial link length is 2~10m, is highly 2~6m, with a thickness of 0.5m~1.5m.
Further, the upper anchor slab connects tower.
The utility model has the following beneficial effects:
A kind of trave bored concrete pile foundation suitable for weak soil provided by the utility model, due to basis with ground is practical holds
Pressure surface product reduces, and the compression on the annular compression face of basis increases, and can be used for resisting superstructure moment of flexure and causes foundation ground
Pull out force, to reduce foundation's bottom area.Use radial coupling beam as main bending resistance component, and with the radial coupling beam of reflection shape
Height surrounds the base center cylinder of wind power generation stepped tower, to reduce the project amount of base concrete.By wind-driven generator tower
Connection with basis is changed to prestressed anchor ring assemblies by foundation ring, ensure that the rigid connection of tower and basis, reduces use
Steel amount, while also simplifying the construction of this part.Outside is connect using cast-in-place concrete pile with ground, and is undertaken horizontal force and erected
Xiang Li.
Detailed description of the invention
Fig. 1 is the planar structure schematic diagram of the trave bored concrete pile foundation described in the utility model suitable for weak soil.
Fig. 2 is the schematic diagram of the section structure of the trave bored concrete pile foundation described in the utility model suitable for weak soil.
Wherein, 1- cast-in-place concrete pile, 2- concrete important actor, 3- side bar, 4- radial direction coupling beam, the upper anchor slab of 5-, 6- prestressing force
Anchor slab, 8- support component, 9- backfill under anchor bolt, 7-.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
A kind of trave bored concrete pile foundation suitable for weak soil, as shown in Fig. 1~2, comprising:
Several cast-in-place concrete piles 1 arranged vertically are connected and are enclosed by side bar 3 between adjacent concrete bored concrete pile 1
At prism structure;
Concrete important actor 2, the concrete important actor 2 are the cylindrical structure that cross section is in circular ring shape, are located at the prism
Body inside configuration and coaxially arranged with the prism structure;Specifically, the concrete important actor 2 include respectively with the prism
The small column and big cylinder of body structure coaxial arrangement, the small column are located at big cylindrical inside, the small column inner hollow.Institute
That states concrete important actor 2 is uniformly connected with several radial coupling beams 4 for outer wall one week, and radial direction 4 quantity of coupling beam and concrete fill
It is corresponding to infuse 1 quantity of stake, and several described radial coupling beams 4 are respectively connected to corresponding cast-in-place concrete pile 1, i.e., it is described several
4 one end of a radial direction coupling beam connects the outer wall of the big cylinder, and the other end is separately connected corresponding cast-in-place concrete pile 1.It is described mixed
Solidifying earthen platform column 2 is equipped with several prestressed bolts 6, the prestressed bolt 6 arrangement vertically, 6 bottom end of prestressed bolt with
Lower anchor slab 7 positioned at 2 bottom of concrete important actor connects, 6 top of prestressed bolt be located at it is upper at the top of concrete important actor 2
Anchor slab 5 connects, and the upper anchor slab 5 connects tower.
The quantity of cast-in-place concrete pile 1, radial coupling beam 4 and side bar is respectively 6~12, in the present embodiment, and concrete fills
Note stake 1, radial coupling beam 4 and side bar select 8 respectively, surround eight prism structures by 8 cast-in-place concrete piles.
2 bottom of concrete important actor has been evenly arranged 4~20 support components 8, and the lower anchor slab 7 is fixed on the branch
On support component 8.
The radial direction coupling beam 4 is reinforced concrete structure, and the concrete important actor 2, side bar 3 and radial coupling beam 4 are arranged
There is reinforcing bar.
The radial direction coupling beam 4 between cast-in-place concrete pile 1 and concrete important actor 2, mix with described by the radial direction coupling beam 4
Solidifying soil bored concrete pile, the side bar 3 and concrete important actor 2 bundle simultaneously casting concrete company by extending radially out reinforcing bar respectively
It connects.
Each cast-in-place concrete pile 1 is cylindrical shape, and diameter is 800mm~2000mm, and length is 5~40m.
Radial direction 4 length of coupling beam is 2~10m, is highly 2~6m, with a thickness of 0.5m~1.5m.
A kind of trave poured pile base foundation construction suitable for weak soil, comprising the following steps:
Step 1: the line setting on weak soil finishes the construction of cast-in-place concrete pile 1 according to design drawing, the concrete
1 diameter of bored concrete pile is 800mm~2000mm, and length is 5~40m, and the cast-in-place concrete pile 1 surrounds prism structure;
Step 2: the excavation pit in the prism structure, and several support components 8 are uniformly fixed on foundation pit bottom
Portion, the quantity of the support component 8 are 4~20;
Step 3: lower anchor slab 7 is horizontally mounted in support component 8;
Step 4: the vertically-mounted prestressed bolt 6 between the small column and big cylinder in concrete important actor 2, in prestressing force
6 top horizontal of anchor bolt installs anchor slab 5;
Step 5: the assembling reinforcement between the big cylinder and small column of concrete important actor 2, the concrete important actor height are 2
~6m, roundlet column internal diameter are 2~4m, and big cylinder outer diameter is 4~8m;
Step 6: respectively in the inside assembling reinforcement of radial coupling beam 4 and side bar 3;
Step 7: the radial direction coupling beam 4 is with cast-in-place concrete pile 1, side bar 3 and concrete important actor 2 respectively by extending radially out
Reinforcing bar bundle and casting concrete connection;
Step 8: the hollow area and small column boring that cast-in-place concrete pile 1, side bar 3 and radial coupling beam 4 are surrounded
Region backfill is simultaneously compacted, and compacting factor meets design requirement, by soil body interaction resist torque, is completed the trave and is filled
Infuse the construction of pile foundation.
The concrete strength used between the big cylinder and small column of the concrete important actor is greater than C40.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of trave bored concrete pile foundation suitable for weak soil characterized by comprising
Several cast-in-place concrete piles arranged vertically (1), between adjacent concrete bored concrete pile (1) simultaneously by side bar (3) connection
Surround prism structure;
Concrete important actor (2), the concrete important actor (2) are the cylindrical structure that cross section is in circular ring shape, are located at the prism
Body inside configuration and coaxially arranged with the prism structure;The concrete important actor (2) if be uniformly connected within outer wall one week
Dry radial coupling beam (4), radial direction coupling beam (4) quantity is corresponding with cast-in-place concrete pile (1) quantity, and several described diameters
Corresponding cast-in-place concrete pile (1) is respectively connected to coupling beam (4);Several are equipped with inside the concrete important actor (2) pre- to answer
Power anchor bolt (6), the prestressed bolt (6) vertically arrange, prestressed bolt (6) bottom end be located at concrete important actor (2)
The lower anchor slab (7) of bottom connects, and prestressed bolt (6) top connects with the upper anchor slab (5) being located at the top of concrete important actor (2)
It connects.
2. the trave bored concrete pile foundation according to claim 1 suitable for weak soil, which is characterized in that cast-in-place concrete pile
(1), the quantity of radial coupling beam (4) and side bar is respectively 6~12.
3. the trave bored concrete pile foundation according to claim 1 suitable for weak soil, which is characterized in that the concrete important actor
(2) bottom has been evenly arranged 4~20 support components (8), and the lower anchor slab (7) is fixed on the support component (8).
4. the trave bored concrete pile foundation according to claim 1 suitable for weak soil, which is characterized in that the concrete important actor
It (2) include that the small column and big cylinder with prism structure coaxial arrangement, the small column are located at big cylindrical inside respectively;
The small column inner hollow;Several described prestressed bolts (6) are evenly arranged between the big cylinder and small column;Institute
The outer wall that several radial coupling beam (4) one end connect the big cylinder is stated, the other end is separately connected corresponding cast-in-place concrete pile
(1)。
5. the trave bored concrete pile foundation according to claim 1 suitable for weak soil, which is characterized in that the radial direction coupling beam
It (4) is reinforced concrete structure, the concrete important actor (2), side bar (3) and radial coupling beam (4) are arranged with reinforcing bar.
6. the trave bored concrete pile foundation according to claim 5 suitable for weak soil, which is characterized in that the radial direction coupling beam
(4) between cast-in-place concrete pile (1) and concrete important actor (2), the radial direction coupling beam (4) and the cast-in-place concrete pile
(1), by extending radially out, reinforcing bar bundle side bar (3) and casting concrete connects respectively with concrete important actor (2).
7. the trave bored concrete pile foundation according to claim 1 suitable for weak soil, which is characterized in that each filling concrete
Stake (1) is cylindrical shape, and diameter is 800mm~2000mm, and length is 5~40m.
8. the trave bored concrete pile foundation according to claim 1 suitable for weak soil, which is characterized in that the radial direction coupling beam
(4) length is 2~10m, is highly 2~6m, with a thickness of 0.5m~1.5m.
9. the trave bored concrete pile foundation according to claim 1 suitable for weak soil, which is characterized in that the upper anchor slab (5)
Connect tower.
Priority Applications (1)
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CN201821938729.3U CN209162873U (en) | 2018-11-23 | 2018-11-23 | A kind of trave bored concrete pile foundation suitable for weak soil |
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CN201821938729.3U CN209162873U (en) | 2018-11-23 | 2018-11-23 | A kind of trave bored concrete pile foundation suitable for weak soil |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112982472A (en) * | 2021-02-26 | 2021-06-18 | 中国能源建设集团江苏省电力设计院有限公司 | Power transmission tower foundation structure suitable for regions without bedrock and construction method |
-
2018
- 2018-11-23 CN CN201821938729.3U patent/CN209162873U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112982472A (en) * | 2021-02-26 | 2021-06-18 | 中国能源建设集团江苏省电力设计院有限公司 | Power transmission tower foundation structure suitable for regions without bedrock and construction method |
CN112982472B (en) * | 2021-02-26 | 2022-09-27 | 中国能源建设集团江苏省电力设计院有限公司 | Power transmission tower foundation structure suitable for regions without bedrock and construction method |
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