CN208136910U - A kind of built pile - Google Patents
A kind of built pile Download PDFInfo
- Publication number
- CN208136910U CN208136910U CN201820189572.2U CN201820189572U CN208136910U CN 208136910 U CN208136910 U CN 208136910U CN 201820189572 U CN201820189572 U CN 201820189572U CN 208136910 U CN208136910 U CN 208136910U
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- China
- Prior art keywords
- steel pipe
- built pile
- concrete
- steel
- pile
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Abstract
A kind of built pile, built pile include concrete cover, steel pipe and armored concrete obturator, and the concrete cover pours on the outside of steel pipe, and armored concrete obturator is filled in steel pipe;It is equipped with ribbed stiffener on the outside of the steel pipe, is equipped with the convex block for protruding from steel pipe inner surface on the inside of steel pipe;The armored concrete obturator is formed by steel reinforcement cage and concreting, and steel reinforcement cage main body is made of tie hoop, and vertical muscle is welded on tie hoop.Since built pile uses steel pipe and steel reinforcement cage as skeleton, using concrete as flesh and blood, so that there is built pile preferable compression strength and tensile strength crack can occur when pressure wave reflection is at tensile wave to avoid rivet nut.
Description
Technical field
This application involves technical field of civil engineering, and in particular to a kind of built pile.
Background technique
Traditional precast reinforced concrete pile can bear biggish compression, but the ability for resisting tensile stress is poor, works as pressure wave
Being reflected into tensile wave generally annulus can occurs on pile body top when the tensile stress of generation is more than the tensile strength of concrete.
And the usual volume of traditional precast reinforced concrete pile is larger, and the stake beaten after being easy to cause soil compaction effect to make is difficult to squeeze into or makes ground
Face protuberance, causes stake to be floated, influences the bearing capacity of stake, and soil compaction effect when construction of pile groups can also be to neighbouring building and municipal administration
Facility causes adverse effect.And traditional precast reinforced concrete pile operational procedure complexity, it is long in time limit.
And traditional piling bar is because of the reasons such as welding, when hammer number is excessive or first segment stake out of plumb, pile body is easily opened
It splits.
Utility model content
The application provides a kind of built pile, enhances the tensile strength and compression strength of pile body.
A kind of built pile described in the utility model, including concrete cover, steel pipe and armored concrete obturator,
The concrete cover pours on the outside of steel pipe, and armored concrete obturator is filled in steel pipe;It is equipped on the outside of the steel pipe
Ribbed stiffener, steel pipe inside are equipped with the convex block for protruding from steel pipe inner surface;The armored concrete obturator is by steel reinforcement cage and mixes
Solidifying soil pours, and steel reinforcement cage main body is made of tie hoop, and vertical muscle is welded on tie hoop.
Preferably, hoop of putting more energy into is welded between the tie hoop of different level.
Preferably, it puts more energy into muscle on vertical muscle every set distance welding one, muscle of putting more energy into is perpendicular to steel pipe axis.
Preferably, tie hoop upper end density of spiraling is spiraled density greater than lower end.
Preferably, the tie hoop upper end is welded with short vertical muscle.
Preferably, the section of built pile is abnormally-structured.
Preferably, the concrete cover and armored concrete obturator using construction refuse regenerated concreting and
At.
Preferably, thickness of concrete cover thinnest part 4-5cm, thickness 5-8cm, steel pipe wall thickness 6-14mm.
A kind of preparation method of built pile described in the utility model, including:Vertical muscle is welded on tie hoop, then will
Tie hoop is placed in steel pipe with one heart;The casting concrete into steel pipe forms steel core;Immersed tube is squeezed into ground predetermined depth,
Steel core is placed in immersed tube with one heart again, the casting concrete between immersed tube and steel core, when casting concrete, vibration sinking tube simultaneously delays
It is slow to extract immersed tube.
Preferably, the concrete in steel duct and outside is poured using construction refuse regenerated concrete.
The utility model uses steel pipe and steel reinforcement cage as skeleton, using concrete as flesh and blood, steel pipe pair due to built pile
Concrete has effect of contraction, so that built pile has preferable compression strength and tensile strength, when pressure wave reflection is at stretching
When wave, crack can occur to avoid rivet nut.Simultaneously as the volume of built pile is less than traditional pre-manufactured steel using this structure
Rib concrete pile, soil compaction effect is small, is not in that stake is difficult to the case where squeezing into ground.
Detailed description of the invention
Fig. 1 is an embodiment of the present invention three-dimensional structure diagram.
Fig. 2 is an embodiment of the present invention transverse cross-sectional view.
Fig. 3 is an embodiment of the present invention concrete cover sectional view.
Fig. 4 is an embodiment of the present invention partial longitudinal sectional view.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.It is wherein different to implement
Similar component uses associated similar element numbers in mode.In the following embodiments, many datail descriptions are
In order to enable the application can be better understood.However, those skilled in the art can recognize without lifting an eyebrow, it is part of
Feature is dispensed in varied situations, or can be substituted by other elements, material, method.In some cases,
The relevant some operations of the application are there is no display in the description or describe, this is the core in order to avoid the application
It is flooded by excessive description, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary,
They can completely understand relevant operation according to the general technology knowledge of description and this field in specification.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with(Connection).
Fig. 1-4 is please referred to,
Built pile, including concrete cover 1, steel pipe 2 and armored concrete obturator 3, concrete cover 1 pour
In 2 outside of steel pipe, armored concrete obturator 3 is filled in steel pipe 2;It is equipped with ribbed stiffener 21 on the outside of steel pipe 2, is set on the inside of steel pipe 2
There is the convex block 22 for protruding from steel pipe inner surface, ribbed stiffener 21 sets up one section for every 90 ° around pipe direction, and the spacing of vertical direction is
50cm, it is 30cm that convex block 22, which protrudes vertical direction spacing,.
Ribbed stiffener 21 and convex block 22 can effectively enhance concrete cover 1, steel pipe 2,3 three of armored concrete obturator
Between cohesion, significantly improve the ultimate bearing capacity of building, prevent steel pipe and concrete section to be detached from, and improve steel pipe
To the effect of contraction of concrete, structural strength and stability can be kept, enhances the compression strength and tensile strength of built pile.Its
In steel pipe 2 itself also give the constraint in concrete horizontal direction so that structure stretching resistance enhances, bearing capacity of single pile is higher.
Armored concrete obturator 3 is formed by steel reinforcement cage 31 with concreting, and 31 main body of steel reinforcement cage is by tie hoop 310
It constitutes, is welded with vertical muscle 311 on tie hoop.The armored concrete by constituting based on tie hoop is filled in steel pipe, together
Sample enhances the compression strength and tensile strength of pile body, and pile body is made to have preferable bearing capacity.
Do not corroded in addition, the utility model because having used concrete cover, can protect nail body steel pipe, increases knot
Structure durability extends the built pile service life.
Hoop 312 of putting more energy into, the overall structural strength of reinforcing steel bar cage 31 are welded between the tie hoop of different level.?
Muscle 313 of putting more energy into together is welded every 2 meters on vertical muscle 311, muscle 313 of putting more energy into is perpendicular to 2 axis of steel pipe.
Since pile body is when receiving tensile stress, cracking part is concentrated mainly on the upper part of pile body, therefore, in spiral hoop
Weld short vertical muscle 314 in muscle upper end;Tie hoop is spiraled the structure of density using upper end density of spiraling greater than lower end, is further enhanced
The structural strength of pile body upper part enhances the compression strength and tensile strength of pile body.
The section of built pile is had using abnormally-structured, by cross section abnormity effect to frictional force in side-pile raising effect
Effect improves combination pile vertical carrying capacity and horizontal bearing capacity.
As preferred embodiments of the present invention, concrete cover and armored concrete obturator are using intensity etc.
The construction refuse regenerated concreting of grade C30 forms, have environmentally protective, energy saving, light-high-strength and durability it is good, at
This advantage.
With reference to Fig. 3, thickness of concrete cover thinnest part d1:4-5cm, thickness d2:5-8cm, steel pipe wall thickness 6-
14mm。
A kind of preparation method of built pile of the utility model, includes the following steps.
Be prefabricated in the factory steel core:Vertical muscle is welded on tie hoop, is then lifted on tie hoop in steel pipe with one heart;To
Casting concrete in steel pipe, to pulp noodle close to opening after steel duct fills, maintenance to hardening is removed after conserving completely
Mold is removed, steel core is obtained.
Cast in situs:Prefabricated blind rivet is lifted to construction site, first smooth location simultaneously pacifies vibrating type machine for placing pipesor piles
Dress is in place, and immersed tube is squeezed into projected depth, and nail tip immersed tube is closed when immersed tube, then lift steel core sink in immersed tube and make itself and it is heavy
Manage vertical concentric fixed placement.Construction refuse regenerated concrete is poured into immersed tube cavity by the feed inlet on the upside of immersed tube to fill out
Material, starts vibration pipe-drawing, side filler, and side vibration sinking tube simultaneously slowly extracts immersed tube until immersed tube extracts ground.It is prefabricated to this kind half
After the half cast-in-place construction refuse regenerated concrete of odd-shaped cross section-steel pipe combination forming pile 24 hours, excavates and follow closely in foundation surface
Surrounding soil, is poured cushion cap 4 later.It is finally completed a kind of half prefabricated half cast-in-place construction refuse regenerated concrete-steel of odd-shaped cross section
Pipe built pile.
Built pile is prepared using the above method, due to the steel core that can be prefabricated in the factory, there is short time limit, high-efficient, construction
Simple and convenient advantage.
Use above specific case is illustrated the utility model, is merely used to help understand the utility model, and
Not to limit the utility model.Think of for those skilled in the art of the present invention, according to the utility model
Think, several simple deductions, deformation or replacement can also be made.
Claims (7)
1. a kind of built pile, which is characterized in that described mixed including concrete cover, steel pipe and armored concrete obturator
Solidifying protective soil layer pours on the outside of steel pipe, and armored concrete obturator is filled in steel pipe;
It is equipped with ribbed stiffener on the outside of the steel pipe, is equipped with the convex block for protruding from steel pipe inner surface on the inside of steel pipe;
The armored concrete obturator is formed by steel reinforcement cage and concreting, and steel reinforcement cage main body is made of tie hoop, spiral shell
Vertical muscle is welded on rotation stirrup.
2. built pile as described in claim 1, which is characterized in that be welded with hoop of putting more energy between the tie hoop of different level.
3. built pile as described in claim 1, which is characterized in that put more energy into muscle, add every set distance welding one on vertical muscle
Strength muscle is perpendicular to steel pipe axis.
4. built pile as described in claim 1, which is characterized in that tie hoop upper end spiral density greater than lower end spiral it is close
Degree.
5. built pile as described in claim 1, which is characterized in that the tie hoop upper end is welded with short vertical muscle.
6. built pile as described in claim 1, which is characterized in that the concrete cover and armored concrete obturator are adopted
It is formed with construction refuse regenerated concreting.
7. built pile as described in claim 1, which is characterized in that thickness of concrete cover thinnest part 4-5cm, thickness 5-
8cm, steel pipe wall thickness 6-14mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820189572.2U CN208136910U (en) | 2018-02-05 | 2018-02-05 | A kind of built pile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820189572.2U CN208136910U (en) | 2018-02-05 | 2018-02-05 | A kind of built pile |
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Publication Number | Publication Date |
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CN208136910U true CN208136910U (en) | 2018-11-23 |
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CN201820189572.2U Expired - Fee Related CN208136910U (en) | 2018-02-05 | 2018-02-05 | A kind of built pile |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108221967A (en) * | 2018-02-05 | 2018-06-29 | 南昌大学 | A kind of built pile and preparation method thereof |
-
2018
- 2018-02-05 CN CN201820189572.2U patent/CN208136910U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108221967A (en) * | 2018-02-05 | 2018-06-29 | 南昌大学 | A kind of built pile and preparation method thereof |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20200205 |