CN208472708U - A kind of grouting behind shaft or drift lining filling pile structure - Google Patents
A kind of grouting behind shaft or drift lining filling pile structure Download PDFInfo
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- CN208472708U CN208472708U CN201820951381.5U CN201820951381U CN208472708U CN 208472708 U CN208472708 U CN 208472708U CN 201820951381 U CN201820951381 U CN 201820951381U CN 208472708 U CN208472708 U CN 208472708U
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Abstract
A kind of grouting behind shaft or drift lining filling pile structure, belong to technical field of building construction, it includes bored concrete pile pile body and steel reinforcement cage, the steel reinforcement cage is made of vertical reinforcement, oblique pull reinforcing bar, transverse steel hoop, the vertical reinforcement, oblique pull reinforcing bar and transverse steel hoop are welded to each other fixation, and vertical Grouting Pipe is welded on the steel reinforcement cage, lateral Grouting Pipe is communicated in vertical Grouting Pipe, the steel reinforcement cage is placed in the hole for grout pile on foundation soil, and hole for grout pile upper end is equipped with protecting pipe；Perfusion conduit is put into the steel reinforcement cage；The bored concrete pile pile body is made of pile body outside rear note anchor ear, grouting behind shaft or drift lining and rear note pile crown.The utility model pours efficient and convenient, reinforcement cage structure intensity height, and the bored concrete pile strength of pile body for pouring completion is high；The enhancing of bored concrete pile pile body bearing capacity, construction efficiency is high, and slip casting uniformity is good.
Description
Technical field
The utility model belongs to technical field of building construction, specifically a kind of grouting behind shaft or drift lining filling pile structure.
Background technique
In pile foundation construction, carrying and the withdrawal resistance of stake are improved frequently with the method for bored concrete pile grouting behind shaft or drift lining, after existing
The form of construction work of grouting picket is that stake is formed in foundation soil by means such as machine drilling, steel pipe soil compaction or manpower excavations
Hole, and steel reinforcement cage, concrete perfusion and the stake being made into are placed in it.Then it after the completion of bored concrete pile pours, is infused again at stake end
Enter cement slurry, improves pile body bearing capacity.Such mode operation difficulty is big, and grouting behind shaft or drift lining is insufficient, it is difficult to guarantee that cement slurry fills
It point is filled between bored concrete pile and foundation soil, since frictional force is insufficient between concrete and foundation soil after slip casting and and ground
Slip casting is insufficient between soil layer causes firmness to reduce, Lack of support, leads to the steady of grouting behind shaft or drift lining filling pile structure for building
Qualitative and bearing capacity is unable to satisfy building use demand.
Summary of the invention
The purpose of this utility model is to provide firmness height, a kind of strong grouting behind shaft or drift lining bored concrete pile knots for building of bearing capacity
Structure, to solve the problems in above-mentioned background technique.
To achieve the above object, the utility model provides the following technical solutions:
A kind of grouting behind shaft or drift lining filling pile structure for building, including bored concrete pile pile body and steel reinforcement cage, the steel reinforcement cage is by vertical steel
Muscle, oblique pull reinforcing bar, transverse steel hoop composition, the vertical reinforcement, oblique pull reinforcing bar and transverse steel hoop are welded to each other fixation, described
It is welded with vertical Grouting Pipe on steel reinforcement cage, lateral Grouting Pipe is communicated in vertical Grouting Pipe, the steel reinforcement cage is placed on foundation soil
In hole for grout pile on layer, the hole for grout pile upper end is equipped with protecting pipe, and perfusion conduit, institute are put into the steel reinforcement cage
It states and forms bored concrete pile pile body in hole for grout pile, form grouting behind shaft or drift lining stud between the grout pile body sidewall and foundation soil
Body, the Grouting Pipe pipe end outer layer at lateral Grouting Pipe both ends form note anchor ear, the rear note of the bored concrete pile pile body and external after-pouring
The outer pile body of anchor ear, grouting behind shaft or drift lining and rear note pile crown constitute bored concrete pile pile body.
It is erected as a further solution of the present invention: being equidistantly welded with several vertically on the inside of the transverse steel hoop
To reinforcing bar, be welded with oblique pull reinforcing bar between adjacent vertical reinforcement, the quantity of the transverse steel hoop be 5~7 and from upper and
It is equidistantly welded on down on the outside of vertical reinforcement.
As a further solution of the present invention: the vertical slip casting bottom of the tube and lateral Grouting Pipe both ends are equipped with note
Pipe pipe end is starched, has filled in sealing plug in Grouting Pipe pipe end.
As a further solution of the present invention: the quantity of the transverse direction Grouting Pipe per pass is two and is symmetrically welded at
On steel reinforcement cage, the quantity of lateral Grouting Pipe is three and along steel reinforcement cage equidistantly distributed from top to bottom.
As a further solution of the present invention: the protecting pipe upper end tube nozzle is higher than foundation soil at least 30cm, shield
The diameter of casing is equal to 1.1 times of grout pile bore dia.
As a further solution of the present invention: the diameter of the steel reinforcement cage is equal to 0.7 times of grout pile bore dia
~0.9 times.
As a further solution of the present invention: the steel reinforcement cage is put into stake holes and guarantees and stake holes coaxial placement.
Compared with prior art, the utility model has the beneficial effects that it is reasonable in design, pour efficient and convenient, reinforcing bar
Basket structure intensity is high, and the bored concrete pile strength of pile body for pouring completion is high；After being carried out by vertical Grouting Pipe and lateral Grouting Pipe
Slip casting anchor ear is infused after bored concrete pile pile body bottom end and outside are formed, outside grouting behind shaft or drift lining pile body and after infuse pile crown, the grout pile of formation
Body increases the firmness connected between foundation soil, and the enhancing of bored concrete pile pile body bearing capacity, construction efficiency is high, and slip casting is uniform
Property is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of bored concrete pile pile body in the utility model.
Fig. 3 is the structural schematic diagram of sealing plug in the utility model.
In figure: infusing anchor ear, 6- sheath after 1- bored concrete pile pile body, 2- ends, 3- Grouting Pipe pipe end, 4- transverse direction Grouting Pipe, 5-
Pipe, the vertical Grouting Pipe of 7-, 8- perfusion conduit, 9- steel reinforcement cage, the outer pile body of 10- grouting behind shaft or drift lining, 11- foundation soil, 12- vertical reinforcement,
Pile crown, 16- pile body, 17- hole for grout pile, 18- sealing plug are infused after 13- oblique pull reinforcing bar, 14- transverse steel hoop, 15-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of grouting behind shaft or drift lining filling pile structure for building, including bored concrete pile
Pile body 1 and steel reinforcement cage 9, the steel reinforcement cage 9 are made of vertical reinforcement 12, oblique pull reinforcing bar 13, transverse steel hoop 14, the vertical steel
Muscle 12, oblique pull reinforcing bar 13 and transverse steel hoop 14 are welded to each other fixation, if 14 inside of transverse steel hoop is equidistantly welded with vertically
Dry root vertical reinforcement 12, oblique pull reinforcing bar 13 is welded between adjacent vertical reinforcement 12, and the quantity of the transverse steel hoop 14 is 5
~7 and it is equidistantly welded on the outside of vertical reinforcement 12 from top to bottom；Vertical Grouting Pipe 7 is welded on the steel reinforcement cage 9, vertically
Lateral Grouting Pipe 4 is communicated in Grouting Pipe 7, vertical 7 bottom of Grouting Pipe and 4 both ends of lateral Grouting Pipe are equipped with Grouting Pipe pipe
3 are held, sealing plug 18 has been filled in Grouting Pipe pipe end 3, has prevented external mud from flowing backward and result in blockage in Grouting Pipe pipe end 3, it is described
The quantity of lateral 4 per pass of Grouting Pipe is two and is symmetrically welded on steel reinforcement cage 9 that the quantity of lateral Grouting Pipe 4 is three and edge
The equidistantly distributed from top to bottom of steel reinforcement cage 9.
The steel reinforcement cage 9 is placed in the hole for grout pile 17 in foundation soil 11,17 upper end of the hole for grout pile peace
Equipped with protecting pipe 6,6 upper end tube nozzle of protecting pipe is higher than at least 30cm of foundation soil 11, after preventing hole for grout pile 17 from scraping out, perfusion
Soil block or clay fracturing at stake 17 upper end stake holes mouth of stake holes are fallen into prefabricated pile stake holes 17, influence pouring for bored concrete pile.
The diameter of the protecting pipe 6 is equal to 1.1 times of 17 diameter of hole for grout pile, and protecting pipe 6 is inserted into hole for grout pile 17
In the stake holes mouth of upper end, it is not easy to fall into hole for grout pile 17.
The diameter of the steel reinforcement cage 9 is equal to 0.7 times~0.9 times of 17 diameter of hole for grout pile, is put into filling convenient for steel reinforcement cage 9
It infuses in stake stake holes 17.
The specific construction procedure of the utility model is:
1, a diameter 60-100cm, the perfusion of depth 10-20m are dug out on foundation soil 11 using rotary drilling rig first
Stake stake holes 17.
2, the protecting pipe 6 for being equal to 1.1 times of 17 diameter of hole for grout pile is inserted into the upper end stake holes mouth of hole for grout pile 17.
3, the steel reinforcement cage 9 of welding fabrication is put into hole for grout pile 17 using loop wheel machine and is guaranteed same with hole for grout pile 17
Axis is placed.
4, perfusion conduit 8 is put into steel reinforcement cage 9, perfusion conduit 8 is stretched to apart from 17 bottom end 20-50cm of hole for grout pile
Concrete slurry is injected in hole for grout pile 17 by perfusion conduit 8, with the perfusion of concrete slurry, promotes perfusion by place
The height of conduit 8 is always ensured that it is 20-50cm that 8 bottom end of conduit, which is perfused, apart from 17 inner concrete slurry layer height of hole for grout pile.
5, after first perfusion, concrete setting, hole for grout pile 17 is interior to form pile body 16, and 16 bottom end of pile body is stake end 2.
6, vertical 7 upper end tube nozzle of Grouting Pipe connects high-pressure pump, and high-pressure pump is pumped into cement slurry, water into vertical Grouting Pipe 7
Material-mud ejects the sealing plug 18 filled in Grouting Pipe pipe end 3, and cement slurry flows into after vertical 7 bottom end of Grouting Pipe is formed and infuses stake
First 15, rear pile crown 15 of infusing increases the firmness connected between pile body 16 and foundation soil 11.
7, cement slurry flows to lateral Grouting Pipe 4 and flows out from the Grouting Pipe pipe end 3 at its both ends, and cement slurry is in prefabricated pile
The outer pile body 10 of grouting behind shaft or drift lining, pile body 16 and foundation soil 11 after fill concrete solidification are formed between 16 side wall of body and foundation soil 11
Between existing gap, further enhance the firmness connected between pile body 16 and foundation soil 11.
8, cement slurry is infused after being formed from 3 outer layers of Grouting Pipe pipe end at lateral 4 both ends of Grouting Pipe impact foundation soil 11
Anchor ear 5, rear anchor ear 5 of infusing strengthen the firmness connected between pile body 16 and foundation soil 11,.
9, the outer pile body 10 of the rear note anchor ear 5 of pile body 16 and external after-pouring, grouting behind shaft or drift lining and rear note pile crown 15 constitute bored concrete pile
Pile body 1.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.In the description of this specification, it should be noted that unless otherwise clearly defined and limited, term " setting ", " connected "
And " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be with
It is to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of utility model is indicated by the appended claims rather than the foregoing description, it is intended that equally wanting for claim will be fallen in
All changes in the meaning and scope of part are embraced therein.Any appended drawing reference in claim should not be regarded
To limit the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of grouting behind shaft or drift lining filling pile structure, including bored concrete pile pile body and steel reinforcement cage, it is characterized in that the steel reinforcement cage is by vertical steel
Muscle, oblique pull reinforcing bar, transverse steel hoop composition, the vertical reinforcement, oblique pull reinforcing bar and transverse steel hoop are welded to each other fixation, described
It is welded with vertical Grouting Pipe on steel reinforcement cage, lateral Grouting Pipe is communicated in vertical Grouting Pipe, the steel reinforcement cage is placed on foundation soil
In hole for grout pile on layer, hole for grout pile upper end is equipped with protecting pipe；Perfusion conduit is put into the steel reinforcement cage；The filling
Note stake pile body is made of pile body outside rear note anchor ear, grouting behind shaft or drift lining and rear note pile crown, the coagulating cement injected in the hole for grout pile
Soil forms bored concrete pile pile body, and cement concrete is injected between the grout pile body sidewall and foundation soil and forms grouting behind shaft or drift lining stud
The Grouting Pipe pipe end injection cement concrete of body, lateral Grouting Pipe both ends forms note stake between Grouting Pipe pipe end and foundation soil
Ring.
2. a kind of grouting behind shaft or drift lining filling pile structure according to claim 1, it is characterized in that equidistant on the inside of the transverse steel hoop
It is welded with several vertical reinforcements vertically, oblique pull reinforcing bar, the number of the transverse steel hoop are welded between adjacent vertical reinforcement
Amount is 5~7 and is equidistantly welded on the outside of vertical reinforcement from top to bottom.
3. a kind of grouting behind shaft or drift lining filling pile structure according to claim 1, it is characterized in that the vertical slip casting bottom of the tube and transverse direction
Grouting Pipe both ends are equipped with Grouting Pipe pipe end, have filled in sealing plug in Grouting Pipe pipe end.
4. a kind of grouting behind shaft or drift lining filling pile structure according to claim 1, it is characterized in that the quantity of the transverse direction Grouting Pipe per pass
It for two and is symmetrically welded on steel reinforcement cage, the quantity of lateral Grouting Pipe is three and equidistantly divides from top to bottom along steel reinforcement cage
Cloth.
5. a kind of grouting behind shaft or drift lining filling pile structure according to claim 1, it is characterized in that the protecting pipe upper end tube nozzle is above Ground
Base soil layer at least 30cm, the diameter of protecting pipe are equal to 1.1 times of grout pile bore dia.
6. a kind of grouting behind shaft or drift lining filling pile structure according to claim 1, it is characterized in that the diameter of the steel reinforcement cage is equal to perfusion
0.7 times~0.9 times of stake stake holes diameter.
7. a kind of grouting behind shaft or drift lining filling pile structure according to claim 1, it is characterized in that the steel reinforcement cage is put into stake holes and protects
It demonstrate,proves coaxial with stake holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951381.5U CN208472708U (en) | 2018-06-20 | 2018-06-20 | A kind of grouting behind shaft or drift lining filling pile structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820951381.5U CN208472708U (en) | 2018-06-20 | 2018-06-20 | A kind of grouting behind shaft or drift lining filling pile structure |
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| Publication Number | Publication Date |
|---|---|
| CN208472708U true CN208472708U (en) | 2019-02-05 |
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ID=65214375
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820951381.5U Active CN208472708U (en) | 2018-06-20 | 2018-06-20 | A kind of grouting behind shaft or drift lining filling pile structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984140A (en) * | 2019-12-23 | 2020-04-10 | 核工业西南建设集团有限公司 | Cast-in-situ bored pile and construction method |
| CN111074882A (en) * | 2019-12-16 | 2020-04-28 | 温州中领建设有限公司 | Multiple three-dimensional cast-in-place pile structure and method for casting pile body |
| CN112176988A (en) * | 2020-10-09 | 2021-01-05 | 宁波住宅建设集团股份有限公司 | Post-grouting bored pile |
| WO2021233290A1 (en) * | 2020-05-19 | 2021-11-25 | 中国有色金属工业昆明勘察设计研究院有限公司 | Grouting valve at bottom of cast-in-place pile for geotechnical engineering construction |
-
2018
- 2018-06-20 CN CN201820951381.5U patent/CN208472708U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074882A (en) * | 2019-12-16 | 2020-04-28 | 温州中领建设有限公司 | Multiple three-dimensional cast-in-place pile structure and method for casting pile body |
| CN110984140A (en) * | 2019-12-23 | 2020-04-10 | 核工业西南建设集团有限公司 | Cast-in-situ bored pile and construction method |
| CN110984140B (en) * | 2019-12-23 | 2021-03-26 | 核工业西南建设集团有限公司 | Cast-in-situ bored pile and construction method |
| WO2021233290A1 (en) * | 2020-05-19 | 2021-11-25 | 中国有色金属工业昆明勘察设计研究院有限公司 | Grouting valve at bottom of cast-in-place pile for geotechnical engineering construction |
| CN112176988A (en) * | 2020-10-09 | 2021-01-05 | 宁波住宅建设集团股份有限公司 | Post-grouting bored pile |
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