CN208933973U - A kind of positioning connection structure of steel-pipe pile and bored concrete pile - Google Patents
A kind of positioning connection structure of steel-pipe pile and bored concrete pile Download PDFInfo
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- CN208933973U CN208933973U CN201821599698.3U CN201821599698U CN208933973U CN 208933973 U CN208933973 U CN 208933973U CN 201821599698 U CN201821599698 U CN 201821599698U CN 208933973 U CN208933973 U CN 208933973U
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Abstract
The utility model discloses the positioning connection structures of a kind of steel-pipe pile and bored concrete pile, it is characterized in that: the structure type for the filling pile cage of reinforcement being placed in stake holes is: being made of the outer reinforcement cage in hollow tubular outer ring tie hoop and outer ring longitudinal direction stud, steel grid is welded on the axial position set in outer layer steel reinforcement cage, the grid surface on outer reinforcement cage cross section is formed, welds installation internal layer steel reinforcement cage at one end on steel grid, towards steel-pipe pile；The lower end of column steel pipe is inserted in filling pile cage of reinforcement, and is sleeved on internal layer steel reinforcement cage and is obtained radial positioning, and the base opening Zhi Li of column steel pipe obtains axially position in the plane of steel grid, and the top opening of column steel pipe convexedly stretches in stake holes aperture；Casting concrete makes steel-pipe pile and bored concrete pile realize connection in stake holes.The utility model, which is realized, has good globality and intensity by the entire pile that steel-pipe pile and cast-in-situ bored pile combine.
Description
Technical field
The utility model belongs to technical field of building construction, and in particular to a kind of connection structure of steel-pipe pile and bored concrete pile.
Background technique
Effective usable floor area of the continuous quickening of urbanization process, soil is constantly reduced, and building is forced to develop to underground,
Due to hypogee stress condition complexity, the requirement to pile foundation is higher and higher.Cast-in-situ bored pile, which is used alone, has construction technology
Mature, bearing capacity height, advantage applied widely, but the problem big there is also long in time limit, project amount, and some underground engineerings
It may be used as market, cast-in-situ bored pile diameter is big, unsightly.Steel-pipe pile simple, easy to use, bearing capacity with structure
By force, the lesser advantage of size is suitable as indoor stanchion and uses, complicated, vibration that there is also sinking apparatus equipments and noise it is larger,
Piling protection is not easy, is easy to the problems such as burn into rolled steel dosage is big, project cost is high, needs to carry out sufficient technology when selecting
Economic analysis is compared.
Comprehensively consider site operation situation and various time economic factors, is combined using steel-pipe pile and cast-in-situ bored pile
Mode construct, be conducive to combine steel-pipe pile and cast-in-situ bored pile the advantages of, reach preferably construction and using effect.Such as
What properly carries out the connection of steel-pipe pile and cast-in-situ bored pile, so that entire pile is had good globality and intensity, enables structure
Enough reasonable mechanicals are current problems to be solved.
Utility model content
The utility model provides the knot that is located by connecting of a kind of steel-pipe pile and bored concrete pile for the problems of prior art
Structure, to properly carry out the connection of steel-pipe pile and cast-in-situ bored pile, so that being combined with steel-pipe pile and cast-in-situ bored pile entire
Pile has good globality and intensity.
The utility model adopts the following technical scheme that in order to solve the technical problem
The characteristics of positioning connection structure of the utility model steel-pipe pile and bored concrete pile, is: the bored concrete pile reinforcing bar being placed in stake holes
The structure type of cage is: the outer reinforcement cage in hollow tubular is constituted by outer ring tie hoop and outer ring longitudinal direction stud, described
It is welded with steel grid on the axial position set in outer reinforcement cage, forms the grid surface on outer reinforcement cage cross section,
Installation internal layer steel reinforcement cage is welded on the steel grid, towards steel-pipe pile at one end；The lower end of column steel pipe is inserted in perfusion
It in pile cages, and is sleeved on the internal layer steel reinforcement cage and obtains radial positioning, the base opening Zhi Li of column steel pipe is in steel grid
Plane on obtain axially position, the top opening of column steel pipe convexedly stretches in stake holes aperture；Casting concrete makes steel-pipe pile in stake holes
It realizes and connects with bored concrete pile.
The characteristics of positioning connection structure of the utility model steel-pipe pile and bored concrete pile, lies also in: in the outer of the column steel pipe
Radial peg is welded on cylindrical surface, the radial direction peg is distributed in array.
The characteristics of positioning connection structure of the utility model steel-pipe pile and bored concrete pile, lies also in: the base opening of the column steel pipe
The depth in filling pile cage of reinforcement is protruded into not less than 2m, to meet the overlap joint requirement of design stake.
Compared with the prior art, the utility model has the beneficial effect that:
1, the utility model completes the positioning of steel-pipe pile using bored concrete pile, greatly reduces process flow；
2, location structure stress is clear, firm reliable in the utility model, substantially increases work progress safety；
3, radial peg is set on the external cylindrical surface of column steel pipe in the utility model, effectively enhance column steel pipe with
The attachment force of concrete；
4, the utility model construction method is easy, required auxiliary material is few, the production of filling pile cage of reinforcement and column steel pipe
It is completed in terrestrial operation, strong operability.
Detailed description of the invention
Fig. 1 is bored concrete pile and steel-pipe pile attachment structure schematic diagram in the utility model；
Fig. 2 is the A-A sectional view of Fig. 1；
Figure label: 1 filling pile cage of reinforcement；2 column steel pipes；3 outer ring tie hoops；4 stake holes；5 outer ring longitudinal direction studs；6
Steel grid；7 inner ring longitudinal direction studs；8 inner ring tie hoops；9 radial pegs；10 ground；11 internal layer steel reinforcement cages；12 outer reinforcements
Cage；13 cast-in-place pile concretes.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the positioning connection structure of steel-pipe pile and bored concrete pile includes: in the present embodiment
The structure type for the filling pile cage of reinforcement 1 being placed in stake holes 4 is: by outer ring tie hoop 3 and outer ring longitudinal direction stud 5
The outer reinforcement cage 12 in hollow tubular is constituted, is welded with steel grid 6, shape on the axial position set in outer layer steel reinforcement cage
At the grid surface on outer reinforcement cage cross section, installation internal layer reinforcing bar is welded at one end on steel grid 6, towards steel-pipe pile
Cage 11, internal layer steel reinforcement cage are welded by inner ring longitudinal direction stud 7 and inner ring tie hoop 8.
The lower end of column steel pipe 2 is inserted in filling pile cage of reinforcement 1, and is sleeved on internal layer steel reinforcement cage and is obtained radially determining
Position, the height of internal layer steel reinforcement cage 11 are preferably the half of the length of the column steel pipe 2 protruded into filling pile cage of reinforcement；Column
The base opening Zhi Li of steel pipe 2 obtains axially position in the plane of steel grid 6, and the top opening of column steel pipe 2 convexedly stretches in stake holes aperture.
Casting concrete makes steel-pipe pile and bored concrete pile realize connection in stake holes.
In specific implementation, corresponding structure setting also includes:
Radial peg 9 is welded on the external cylindrical surface of column steel pipe 2, radial peg 9 is socket cap peg, radial peg 9
It is distributed on the external cylindrical surface of column steel pipe 2 in array, with 45 degree of arranged for interval, which answers the radial peg of eight, every circle
Between 30-90 degree, 0.25m is divided between two adjacent rings, the interval should between 0.1-0.4m, can also in the ranks or column between shape
At staggeredly；The base opening of column steel pipe 2 protrudes into the depth in filling pile cage of reinforcement not less than 2m, is wanted with meeting the overlap joint of design stake
It asks, meanwhile, radial peg 9 should be not less than 2.5m along the axial arrangement of column steel pipe.
Steel grid 6 is welded by the isometric straight muscle of each segment, and one end of each straight muscle of segment is welded on corresponding position
On outer ring longitudinal direction stud 5 on, the other end welds jointly and forms central point, integral into penetrating shape grid；Internal layer steel reinforcement cage 11 and steel
Reinforced net 6 is welded and fixed.
The construction method that is located by connecting of steel-pipe pile and bored concrete pile carries out as follows in the present embodiment:
Step 1 prepares filling pile cage of reinforcement 1 and column steel pipe 2；
Step 2 carries out stake holes pore-forming according to the engineering method of conventional cast-in-situ bored pile, hangs and position bored concrete pile steel into stake holes
Muscle cage 1,
Step 3 pours cast-in-place pile concrete 13 in advance, is that tremie is extended to bored concrete pile bottom to pour, when
Stop pouring when top of concrete rises to the bottom plane of steel grid 6, completes pouring in advance for C35 cast-in-place pile concrete 13；
Step 4, the cast-in-place pile concrete 13 poured in advance reach setting intensity when, hung into filling pile cage of reinforcement 1
Column steel pipe 2 is sleeved on column steel pipe 2 on internal layer steel reinforcement cage 11, and the base opening Zhi Li of column steel pipe 2 is in the flat of steel grid 6
On face, the top opening of column steel pipe 2 convexedly stretches in stake holes aperture；
Step 5 completes pouring for bored concrete pile and steel pipe column interior concrete by tremie, specifically same using double duct
When continuous placing directly cause to reach absolute altitude；Wherein a conduit is inserted in the outside of column steel pipe 2, using outer layer steel reinforcement cage as skeleton,
Pour C35 concrete；Another conduit is inserted in the inside of column steel pipe 2, pours C60 coagulation by skeleton of internal layer steel reinforcement cage
Soil；
In work progress, needs to install dismountable stress support cushion cap on the ground 10 in stake holes aperture, utilize support
Cushion cap auxiliary undertake before casting concrete and during concrete setting column steel pipe weight, to ensure column steel pipe in steel mesh
Void on lattice is taken, so that avoiding undertaking load and occurring without weight or only seldom load is born on steel grid
Deformation；After concrete has some strength, removes platform loop and utilize.
Claims (3)
1. the positioning connection structure of a kind of steel-pipe pile and bored concrete pile, it is characterized in that: the filling pile cage of reinforcement (1) being placed in stake holes
Structure type is: the outer reinforcement cage (12) in hollow tubular is made of outer ring tie hoop (3) and outer ring longitudinal direction stud (5),
It is welded with steel grid (6), is formed on outer reinforcement cage cross section on the axial position set in the outer reinforcement cage
Grid surface welds installation internal layer steel reinforcement cage (11) at one end on the steel grid (6), towards steel-pipe pile；Column steel pipe
(2) lower end is inserted in filling pile cage of reinforcement, and is sleeved on the internal layer steel reinforcement cage and is obtained radial positioning, column steel pipe
(2) base opening Zhi Li obtains axially position in the plane of steel grid (6), and the top opening of column steel pipe (2) convexedly stretches in stake holes hole
Mouthful；Casting concrete makes steel-pipe pile and bored concrete pile realize connection in stake holes.
2. the positioning connection structure of steel-pipe pile according to claim 1 and bored concrete pile, it is characterized in that: in the column steel pipe
(2) radial peg is welded on external cylindrical surface, the radial direction peg is distributed in array.
3. the positioning connection structure of steel-pipe pile according to claim 1 and bored concrete pile, it is characterized in that: the column steel pipe
(2) base opening protrudes into the depth in filling pile cage of reinforcement not less than 2m, to meet the overlap joint requirement of design stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599698.3U CN208933973U (en) | 2018-09-29 | 2018-09-29 | A kind of positioning connection structure of steel-pipe pile and bored concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599698.3U CN208933973U (en) | 2018-09-29 | 2018-09-29 | A kind of positioning connection structure of steel-pipe pile and bored concrete pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208933973U true CN208933973U (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821599698.3U Expired - Fee Related CN208933973U (en) | 2018-09-29 | 2018-09-29 | A kind of positioning connection structure of steel-pipe pile and bored concrete pile |
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| Country | Link |
|---|---|
| CN (1) | CN208933973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978667A (en) * | 2018-09-29 | 2018-12-11 | 中铁二十四局集团安徽工程有限公司 | A kind of positioning connection structure and its construction method of steel-pipe pile and bored concrete pile |
| CN111021353A (en) * | 2019-12-30 | 2020-04-17 | 中国建筑第四工程局有限公司 | Reinforcement method and structure for prestressed pipe pile defects |
-
2018
- 2018-09-29 CN CN201821599698.3U patent/CN208933973U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978667A (en) * | 2018-09-29 | 2018-12-11 | 中铁二十四局集团安徽工程有限公司 | A kind of positioning connection structure and its construction method of steel-pipe pile and bored concrete pile |
| CN108978667B (en) * | 2018-09-29 | 2024-02-27 | 中铁二十四局集团安徽工程有限公司 | Positioning connection structure of steel pipe pile and cast-in-place pile and construction method thereof |
| CN111021353A (en) * | 2019-12-30 | 2020-04-17 | 中国建筑第四工程局有限公司 | Reinforcement method and structure for prestressed pipe pile defects |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |