CN208455610U - Great diameter and long variable cross-section drill-pouring pilework - Google Patents
Great diameter and long variable cross-section drill-pouring pilework Download PDFInfo
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- CN208455610U CN208455610U CN201820673570.0U CN201820673570U CN208455610U CN 208455610 U CN208455610 U CN 208455610U CN 201820673570 U CN201820673570 U CN 201820673570U CN 208455610 U CN208455610 U CN 208455610U
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- casing
- antidetonation
- reinforcement cage
- steel reinforcement
- cover board
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Abstract
The utility model relates to a kind of great diameter and long variable cross-section drill-pouring pileworks, including bored concrete pile, construction casing, antidetonation casing, casing positioning suspender, steel reinforcement cage and steel reinforcement cage sunpender；Operation platform is set in the outside of construction casing, and cover board connecting hole and reserved injected hole are set on the drilling cover board of operation platform；Reduce aperture to pile-end soil layer in the antidetonation casing lower part of Pile side soil layer and forms variable cross-section stake holes；Grouting Pipe outside casing stiffened panel and cylinder is respectively set on the inner sidewall and lateral wall of antidetonation casing, is circumferentially symmetrically welded casing hanging ring at the top of antidetonation casing, antidetonation casing is set in the stake holes of bored concrete pile, and antidetonation casing is positioned by casing positioning suspender.The beneficial effects of the utility model are: the utility model uses fabricated operation platform, working measure expense can be not only reduced, the safety of site operation is promoted；And the precision of steel reinforcement cage and the positioning of antidetonation casing can be improved, improve site operation efficiency.
Description
Technical field
It is the utility model relates to filling pile structure, in particular to a kind of that determining for steel reinforcement cage and antidetonation casing not only can be improved
Position precision, can also save the great diameter and long variable cross-section drill-pouring pilework of construction material, belong to geotechnical engineering field, fit
For creviced formation filling pile construction engineering.
Background technique
Bored concrete pile has obtained relatively broad answer as a kind of foundation pile form in science of bridge building and architectural engineering
With.However since the stake diameter of bored concrete pile is larger, in filling pile construction, occur that reinforcing bar cage hoisting difficulty is big, binding deformation often
Obviously, the low problem of casing positioning accuracy on the outside of pile body influences the construction efficiency and load-carrying properties of super-long and large-diameter bored piles.
Though existing foundation pile structure achieves preferable engineering effort under suitable operating condition, in the positioning of antidetonation casing, apply
Work improved efficiency, load-carrying properties improvement etc. remain deficiency.In consideration of it, to promote great diameter and long variable cross-section cast-in-situ bored pile
The construction quality of structure improves load-carrying properties, urgently invents a kind of preparation quality that steel reinforcement cage can be improved and steel reinforcement cage at present
And the positioning accuracy of antidetonation casing, save the great diameter and long variable cross-section drill-pouring pilework of construction material.
Utility model content
The purpose of the utility model is to overcome deficiency in the prior art, a kind of steel reinforcement cage and anti-of can not only being promoted is provided
The positioning accuracy for shaking casing, can also save the great diameter and long variable cross-section drill-pouring pilework of construction material.
This great diameter and long variable cross-section drill-pouring pilework, including bored concrete pile, construction casing, antidetonation casing, casing
Positioning suspender, steel reinforcement cage and steel reinforcement cage sunpender；Operation platform is set in the outside of construction casing, and in the burr hole cover of operation platform
Cover board connecting hole and reserved injected hole are set on plate；Reduce aperture to pile-end soil layer in the antidetonation casing lower part of Pile side soil layer to be formed
Variable cross-section stake holes；Grouting Pipe outside casing stiffened panel and cylinder is respectively set on the inner sidewall and lateral wall of antidetonation casing, in antidetonation
The top of casing is circumferentially symmetrically welded casing hanging ring, and antidetonation casing is set in the stake holes of bored concrete pile, and antidetonation casing passes through casing
Positioning suspender positioning；Steel reinforcement cage hanging ring is set at the top of steel reinforcement cage, steel reinforcement cage is set in the stake holes of bored concrete pile, and steel reinforcement cage passes through
The positioning of steel reinforcement cage sunpender.
As preferred: the operation platform by platform bearer pier, platform bearer plate and burr hole cover board group at, drilling cover board with
Platform bearer plate is connected by platform shaft.
As preferred: casing positioning suspender is connect with antidetonation casing by casing suspension hook, is passed through at the top of casing positioning suspender
Cover board connecting hole and cover board top fastening bolt are simultaneously fastened using fastening bolt.
As preferred: the drilling cover board uses steel plate, and circumferentially 4~6 lids are arranged in uniform intervals on drilling cover board
Reserved injected hole is arranged at the intermediate position of drilling cover board in plate connecting hole, and the aperture for reserving injected hole is big compared with grouting pipe diameter
100~200mm.
As preferred: the casing positioning suspender and steel reinforcement cage sunpender are all made of tube material, bottom respectively with casing
Suspension hook and steel reinforcement cage suspension hook are welded to connect.
The beneficial effects of the utility model are:
(1) the utility model uses fabricated operation platform, can not only reduce working measure expense, promotes site operation
Safety；And the precision of steel reinforcement cage and the positioning of antidetonation casing can be improved, improve site operation efficiency.
(2) special antidetonation casing is being arranged in the utility model on the outside of bored concrete pile, and the antidetonation of bored concrete pile can be substantially improved
Performance.
Detailed description of the invention
Fig. 1 is the utility model great diameter and long variable cross-section cast-in-situ bored pile sectional schematic diagram.
Description of symbols: 1- bored concrete pile；2- construction casing；3- operation platform；4- drilling cover board；5- cover board connecting hole；
6- reserves injected hole；7- antidetonation casing；8- pile-end soil layer；9- casing stiffened panel；10- outer Grouting Pipes；The positioning of 11- casing is hung
Bar；12- steel reinforcement cage；13- steel reinforcement cage sunpender；14- platform bearer pier；15- platform bearer plate；16- platform shaft；17- casing is hung
Hook；18- cover board top fastening bolt；19- fastening bolt；20- steel reinforcement cage suspension hook；21- Pile side soil layer；22- casing hanging ring；23- steel reinforcement cage
Hanging ring.
Specific embodiment
The utility model is described further below with reference to embodiment.The explanation of following embodiments is only intended to help to manage
Solve the utility model.It should be pointed out that for those skilled in the art, not departing from the utility model principle
Under the premise of, several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model
In scope of protection of the claims.
Cast-in-situ bored pile design and construction technical requirements, site welding construction technical requirement, mud cartridge set construction
Technical requirements etc., repeat no more in present embodiment, and emphasis illustrates that the utility model relates to the embodiments of structure.
Shown in referring to Fig.1, the great diameter and long variable cross-section drill-pouring pilework sets completion in construction casing 2
Afterwards, operation platform 3 is set in the outside of construction casing 2, and 5 He of cover board connecting hole is set on the drilling cover board 4 of operation platform 3
Reserved injected hole 6；Reduce aperture to pile-end soil layer 8 in 7 lower part of antidetonation casing of Pile side soil layer 21, forms variable cross-section stake holes；?
Casing stiffened panel 9 and the outer Grouting Pipe 10 of cylinder are respectively set on the inner sidewall and lateral wall of antidetonation casing 7, antidetonation casing 7 is hung to
In the stake holes of bored concrete pile 1, antidetonation casing 7 is carried out by casing positioning suspender 11 and is positioned；After the completion of prepared by steel reinforcement cage 12, by reinforcing bar
In the lifting to the stake holes of bored concrete pile 1 of cage 12, muscle cage is positioned by steel reinforcement cage sunpender 13.
Bored concrete pile 1 is non-uniform pile, upper diameter 1m, length 25m；Lower diameter is 0.6m, length 5m；Pile body
Strength grade of concrete is C35.
Construction casing 2 uses diameter for 1.5m, is highly 1m, and wall thickness is that the steel plate rolling of 1cm forms.
Operation platform 3 is made of platform bearer pier 14, platform bearer plate 15, drilling cover board 4；Platform bearer pier 14 uses
150 × 150 × 7 × 10, strength grade Q235, be highly 0.5m H profile steel；Platform bearer plate 15 uses with a thickness of 2cm, by force
The steel plate rolling that degree grade is Q235 forms；Drilling cover board 4 use with a thickness of 2cm, strength grade as the steel plate rolling of Q235 and
At；Drilling cover board 4 is connect with platform bearer plate 15 by platform shaft 16；The diameter of platform shaft 16 is 2cm.
The aperture of cover board connecting hole 5 is 300mm；The diameter of reserved injected hole 6 is 500mm.
Construction casing 7 diameter be 1.2m, be highly 5m, the steel plate rolling that wall thickness is 1cm forms.In antidetonation casing 7
Casing stiffened panel 9 and the outer Grouting Pipe 10 of cylinder are respectively set on inner sidewall and lateral wall；Casing stiffened panel 10 with a thickness of 1cm, length
Degree is 0.3m, width 0.03m；The outer Grouting Pipe 10 of cylinder uses diameter for the steel pipe of 30mm, is welded to connect with antidetonation casing 7；?
The top of antidetonation casing 7 is circumferentially symmetrically welded 4 casing hanging rings 22, and casing hanging ring 22 uses diameter to be made of the reinforcing bar of 20mm
Circular ring shape, internal diameter 50mm.
Pile-end soil layer 8 is weak weathering glutenite.
Steel reinforcement cage hanging ring 23 uses diameter that circular ring shape, internal diameter 50mm is made for the reinforcing bar of 20mm.
Casing positioning suspender 11 and steel reinforcement cage sunpender 13 are all made of diameter and are made of the spiral of 32mm.
The outer diameter of steel reinforcement cage 12 is 1m, and the diameter of 12 longitudinal reinforcement of steel reinforcement cage and transverse steel is respectively 32mm and 12mm.
Casing suspension hook 17 and steel reinforcement cage suspension hook 20 are respectively arranged on the lower end of casing positioning suspender 11 and steel reinforcement cage sunpender 13,
Height is 100mm.
The diameter of thread of fastening bolt 19 is 30mm.
Pile side soil layer 21 with a thickness of 27m, be in close state sandy soil.
Claims (5)
1. a kind of great diameter and long variable cross-section drill-pouring pilework, it is characterised in that including bored concrete pile (1), construction casing (2),
Antidetonation casing (7), casing positioning suspender (11), steel reinforcement cage (12) and steel reinforcement cage sunpender (13)；It is set on the outside of construction casing (2)
It sets operation platform (3), and cover board connecting hole (5) and reserved injected hole (6) is set on the drilling cover board (4) of operation platform (3)；
Reduce aperture to pile-end soil layer (8) in antidetonation casing (7) lower part of Pile side soil layer (21) and forms variable cross-section stake holes；In antidetonation casing
(7) casing stiffened panel (9) and the outer Grouting Pipe (10) of cylinder are respectively set on inner sidewall and lateral wall, on the top of antidetonation casing (7)
Portion is circumferentially symmetrically welded casing hanging ring (22), and antidetonation casing (7) is set in the stake holes of bored concrete pile (1), and antidetonation casing (7) passes through
Casing positioning suspender (11) positioning；Steel reinforcement cage hanging ring (23) are set at the top of steel reinforcement cage (12), steel reinforcement cage (12) is set to perfusion
In the stake holes of stake (1), steel reinforcement cage (12) is positioned by steel reinforcement cage sunpender (13).
2. great diameter and long variable cross-section drill-pouring pilework according to claim 1, it is characterised in that: the construction is flat
Platform (3) is made of platform bearer pier (14), platform bearer plate (15) and drilling cover board (4), drilling cover board (4) and platform bearer plate
(15) it is connected by platform shaft (16).
3. great diameter and long variable cross-section drill-pouring pilework according to claim 1, it is characterised in that: casing positioning is hung
Bar (11) is connect with antidetonation casing (7) by casing suspension hook (17), passes through cover board connecting hole (5) at the top of casing positioning suspender (11)
It is fastened with cover board top fastening bolt (18) and using fastening bolt (19).
4. great diameter and long variable cross-section drill-pouring pilework according to claim 1, it is characterised in that: the burr hole cover
Plate (4) uses steel plate, and circumferentially 4~6 cover board connecting holes (5) are arranged in uniform intervals in drilling cover board (4), in drilling cover board
(4) reserved injected hole (6) are arranged in intermediate position, reserve the aperture 100~200mm big compared with grouting pipe diameter of injected hole (6).
5. great diameter and long variable cross-section drill-pouring pilework according to claim 1, it is characterised in that: the casing is fixed
Position sunpender (11) and steel reinforcement cage sunpender (13) are all made of tube material, bottom respectively with casing suspension hook (17) and steel reinforcement cage suspension hook
(20) it is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673570.0U CN208455610U (en) | 2018-05-07 | 2018-05-07 | Great diameter and long variable cross-section drill-pouring pilework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673570.0U CN208455610U (en) | 2018-05-07 | 2018-05-07 | Great diameter and long variable cross-section drill-pouring pilework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208455610U true CN208455610U (en) | 2019-02-01 |
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ID=65150670
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820673570.0U Active CN208455610U (en) | 2018-05-07 | 2018-05-07 | Great diameter and long variable cross-section drill-pouring pilework |
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| CN (1) | CN208455610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123326A (en) * | 2021-03-29 | 2021-07-16 | 阳光学院 | Combined pile for civil engineering |
-
2018
- 2018-05-07 CN CN201820673570.0U patent/CN208455610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123326A (en) * | 2021-03-29 | 2021-07-16 | 阳光学院 | Combined pile for civil engineering |
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