CN207109839U - New low pile cap foundation structure - Google Patents
New low pile cap foundation structure Download PDFInfo
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- CN207109839U CN207109839U CN201720962104.XU CN201720962104U CN207109839U CN 207109839 U CN207109839 U CN 207109839U CN 201720962104 U CN201720962104 U CN 201720962104U CN 207109839 U CN207109839 U CN 207109839U
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Abstract
The utility model discloses a kind of new low pile cap foundation structure, including more pile foundation stakes, the cushion cap of the whole foundation pile stake tops of connection and the more reinforcing piles being arranged in foundation soil being arranged in foundation soil；The more reinforcing piles close-packed arrays and surround one of piling wall on the outside of the more pile foundation stakes successively, or more reinforcing piles close-packed arrays and being arranged between the foundation pile of part makes the reinforcing pile and the foundation pile be collectively forming one or multi-channel piling wall successively respectively；The new low pile cap foundation structure has set reinforcing pile in foundation pile outer ring or inside and has formed reinforcement walls, foundation soil can effectively be reinforced, the vertical and horizontal bearing capacity of foundation pile is improved, while effectively prevents subsea current from being washed away to foundation soil, ensures the stability of structure.In addition, construction method corresponding to the new low pile cap foundation structure is simple and easy, construction cost, convenient to carry out and popularization are saved.
Description
Technical field
The utility model is related to port engineering technical field of operation, more particularly to a kind of new low pile cap foundation structure and
Its construction method.
Background technology
Low pile cap is typically embedded in soil or part is nuzzled in soil, and some foundation stakes are connected together to form low pile cap base
Plinth, in installation superstructure on cushion cap, form complete force transfer system.Low pile cap basis is in work China Democratic National Construction Association and hydro-structure field
Relatively broad application has been obtained, but when it is used as hydro-structure, the foundation structure periphery soil body is acted on by current scour etc.,
The durability of structure can be reduced or even cause structure to be destroyed.
Disclosed patent CN201610267729.4 discloses a kind of construction method on intertidal belt wind electric low pile cap basis,
Its embodiment is：The center on wind-powered electricity generation low pile cap basis is determined first and builds cofferdam around center, into cofferdam
Portion, which fills plain soil and carries out compacting, forms job platform, after multiple pile tubes are set below job platform, and carry out foundation ditch exploitation,
Bed course is laid, blower fan cushion cap is poured on bed course.The defects of technical scheme being to construct, cumbersome, cost is high, causes larger
The wasting of resources.
Disclosed patent CN200710190926.1 is disclosed in a kind of deep water low pile cap construction and is combined height with steel cofferdam
The method that water is enclosed in pressure rotary-spraying stake, its embodiment are：By steel boxed cofferdam transportation by driving to pier position, determine steel cofferdam by alignment system
Position, pours water between double-walled, steel cofferdam is sunk down under Gravitative Loads below riverbed face, and in cofferdam, top surface installs jet grouting pile construction
Platform, construct to form rotary churning pile by jet drill rig, after drawn water in steel cofferdam, excavation pit carry out bearing platform construction.But the skill
Rotary churning pile role is the following sealing in riverbed face and supporting in art scheme, suitable for deep water low pile cap construction, should not be used
The construction of low pile cap is carried out in phytal zone, land region or intertidal zone.
Utility model content
The purpose of this utility model is to provide a kind of new low pile cap basis knot with high-bearing capacity and high stability
Structure.
Therefore, technical solutions of the utility model are as follows：
A kind of new low pile cap foundation structure, including the more pile foundation stakes being arranged in foundation soil and the whole bases of connection
The cushion cap of stake stake top；Also include more reinforcing piles being arranged in foundation soil in the foundation structure；The more reinforcing piles are successively
Close-packed arrays simultaneously surround one of piling wall on the outside of circular more pile foundation stakes, or the more reinforcing piles distinguish close-packed arrays successively
The reinforcing pile is set to independently form the one or multi-channel piling wall being interspersed between more pile foundation stakes between the foundation pile of part,
Or close-packed arrays and being arranged between the foundation pile of part make the reinforcing pile and described to the more reinforcing piles successively respectively
Foundation pile is collectively forming the one or multi-channel piling wall being interspersed between more pile foundation stakes.
The new low pile cap foundation structure includes the specific foundation structure of following preferable several forms：
Structure one：More pile foundation stakes are divided into the multiple circles set rotating around cushion cap center；Described more add
Gu anchor ear is around positioned at outermost stake circle and close-packed arrays surround the piling wall of one of closing successively.
Structure two：More pile foundation stakes are divided into the multiple circles set rotating around cushion cap center；Described more add
Gu stake is separately positioned between each two foundation pile in outermost layer stake circle and close-packed arrays successively, make all reinforcings
Stake surrounded jointly with the foundation pile in outermost layer stake circle together with the piling wall closed.
Structure three：More pile foundation stakes are divided into the multiple circles set rotating around cushion cap center；Described more add
Gu stake is separately positioned between each two foundation pile in two mutually perpendicular directions and close-packed arrays successively, make positioned at every
Foundation pile on individual direction runs through the piling wall of each stake circle together with being collectively forming with reinforcing pile, and the twice piling wall formed is mutually perpendicular to
And intersect on the central point of each stake circle.
Structure four：More pile foundation stakes are divided into the multiple circles set rotating around cushion cap center；Described more add
Gu stake is separately positioned between each two foundation pile in outermost layer stake circle and close-packed arrays successively, make all reinforcings
Stake surrounded jointly with the foundation pile in outermost layer stake circle together with the piling wall closed, and be separately positioned on simultaneously positioned at two phases
Between each two foundation pile in mutual vertical direction and successively close-packed arrays, make the foundation pile and reinforcing pile on each direction
The piling wall for running through each stake circle together is collectively forming, the twice piling wall formed is mutually perpendicular to and intersects at the central point of each stake circle
On.
Structure five：More pile foundation stakes are divided into the multiple circles set rotating around cushion cap center；Described more add
Gu stake is separately positioned on two mutually perpendicular directions and successively close-packed arrays, each side is set to be upwardly formed at least twice through each
Stake circle and the piling wall on stake circle center position.
Wherein, the foundation pile is preferably bored concrete pile, composite pile or precast concrete pile.
The reinforcing pile is mixing pile or high-pressure rotary jet grouting pile.The length of the reinforcing pile is greater than, equal to or less than the base
The length of plinth stake.
More pile foundation stake stake tops are all embedded in the cushion cap of cast-in-situ steel reinforced concrete formation；The reinforcing pile
Stake top is completely or partially embedded in the cushion cap, or is all arranged at outside cushion cap.
The shape of cross section of the cushion cap is poured as circular, square or polygon according to the shape of stake circle.
The foundation pile is straight stake or taper pile；The reinforcing pile is straight stake.
The new low pile cap foundation structure is on the outside of foundation pile or inside has set reinforcing pile and formed reinforcement walls, can be over the ground
Base soil is effectively reinforced, and improves the vertical and horizontal bearing capacity of foundation pile, while effectively prevent subsea current to foundation soil
Wash away, ensure the stability of structure.In addition, the construction method corresponding to the new low pile cap foundation structure is simple and easy, section
Save construction cost, convenient to carry out and popularization.
Brief description of the drawings
Fig. 1 is the structural representation of new low pile cap foundation structure of the present utility model；
Fig. 2 is the lateral cross section structural representation of the new low pile cap foundation structure of embodiment 1 of the present utility model；
Fig. 3 is the lateral cross section structural representation of the new low pile cap foundation structure of embodiment 2 of the present utility model；
Fig. 4 is the lateral cross section structural representation of the new low pile cap foundation structure of embodiment 3 of the present utility model；
Fig. 5 is the lateral cross section structural representation of the new low pile cap foundation structure of embodiment 4 of the present utility model；
Fig. 6 is the lateral cross section structural representation of the new low pile cap foundation structure of embodiment 5 of the present utility model；
Fig. 7 is the lateral cross section structural representation of the new low pile cap foundation structure of embodiment 6 of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to the utility model, but following embodiments are right absolutely not
The utility model has any restrictions.
As shown in figure 1, the new low pile cap foundation structure, including cast-in-situ steel reinforced concrete cushion cap, and it is embedded in ground
More pile foundation stakes 3 and Duo Gen reinforcing piles 4 in base soil, the stake top of foundation pile 3 are all embedded in the described of cast-in-situ steel reinforced concrete formation
The cushion cap 2 of whole stake tops of foundation pile 3 is connected in cushion cap 2, and more reinforcing piles 4 being arranged in foundation soil；Described more add
Gu individually one of piling wall of close-packed arrays formation is circumferentially positioned at whole outsides of foundation piles 3, or the more reinforcing piles 4 successively for stake 4
Close-packed arrays and being arranged between the foundation pile 3 of part is collectively forming the reinforcing pile 4 and the foundation pile 3 successively respectively
One or multi-channel piling wall.Continue to have built superstructure 1 on the cushion cap 2, such as blower fan tower barrel, Wharf Surface etc..
The new low pile cap foundation structure is further expalined by the following examples.
Embodiment 1
A kind of new low pile cap foundation structure, including cast-in-situ steel reinforced concrete cushion cap 2, and sink to more in foundation soil
Pile foundation stake 3 and Duo Gen reinforcing piles 4；Wherein, the length of reinforcing pile 4 is slightly larger than the length of foundation pile 3, but the two top flushes simultaneously
Expose foundation soil surface 5, the stake top of foundation pile 3 and reinforcing pile 4 is all embedded in cast-in-situ steel reinforced concrete cushion cap 2.
As shown in Fig. 2 outer ring foundation pile, middle cycle basis that more pile foundation stakes 3 divide to set rotating around the center of cushion cap 2
Plinth stake and inner ring foundation pile, each foundation pile that encloses is what is be made up of along the circumferential direction uniform multiple spaced foundation piles 3
Circular stake circle；More reinforcing piles 4 are separately positioned between each two foundation pile 3 in the foundation pile of outer ring and positioned at each two bases
More reinforcing piles 4 close-packed arrays successively between stake 3, make whole foundation piles 3 in whole reinforcing piles 4 and outer ring foundation pile common
Surround the annular piling wall of one of closing.
Wherein, the cross section of cast-in-situ steel reinforced concrete cushion cap 2 is circle；It is precast concrete pile to be cast in foundation pile 3；Add
Gu stake 4 is high-pressure rotary jet grouting pile；Foundation pile 3 and reinforcing pile 4 are both designed as straight stake.
Embodiment 2
A kind of new low pile cap foundation structure, in addition to the set-up mode of reinforcing pile 4 is different, remaining structure is and embodiment
1 is identical.
Specifically, as shown in figure 3, more reinforcing piles 4 are separately positioned on each two in two mutually perpendicular directions
Between foundation pile 3 and successively close-packed arrays, the foundation pile 3 on each direction is collectively forming with reinforcing pile 4 together with run through
The piling wall of each circle, the twice piling wall formed are mutually perpendicular to and intersected on the central point of inner ring foundation pile.
Embodiment 3
A kind of new low pile cap foundation structure, in addition to the set-up mode of reinforcing pile 4 is different, remaining structure is and embodiment
1 is identical.
Specifically, as shown in figure 4, a part for more reinforcing piles 4 is separately positioned on each two base in the foundation pile of outer ring
Close-packed arrays make whole reinforcing piles 4 and outer ring to the more reinforcing piles 4 between plinth stake 3 and between each two foundation pile 3 successively
Whole foundation piles 3 in foundation pile surround the annular piling wall of one of closing jointly, while another part reinforcing pile 4 is then set respectively
Between each two foundation pile 3 in two mutually perpendicular directions and successively close-packed arrays, make on each direction
Foundation pile 3 runs through each piling wall enclosed together with being collectively forming with reinforcing pile 4, and the twice piling wall formed is mutually perpendicular to and intersected
In on the central point of inner ring foundation pile.
Embodiment 4
A kind of new low pile cap foundation structure, including cast-in-situ steel reinforced concrete cushion cap 2, and sink to more in foundation soil
Pile foundation stake 3 and Duo Gen reinforcing piles 4；Wherein, the length of reinforcing pile 4 is slightly less than the length of foundation pile 3, and the only top of foundation pile 3
Foundation soil surface 5 is exposed at end, whole stake tops of foundation pile 3 is embedded in cast-in-situ steel reinforced concrete cushion cap 2, and the stake top of reinforcing pile 4
Then it is entirely located in outside cushion cap 2.
As shown in figure 5, outer ring foundation pile, middle cycle basis that more pile foundation stakes 3 divide to set rotating around the center of cushion cap 2
Plinth stake and inner ring foundation pile, each foundation pile that encloses is what is be made up of along the circumferential direction uniform multiple spaced foundation piles 3
Circular stake circle；More reinforcing piles 4 are around outer ring foundation pile and close-packed arrays surround the annular piling wall of one of closing successively.
Wherein, the cross section of cast-in-situ steel reinforced concrete cushion cap 2 is circle；Foundation pile 3 is designed as taper pile, specially irrigates
Stake；Reinforcing pile 4 is straight stake, specially mixing pile.
Embodiment 5
A kind of new low pile cap foundation structure, in addition to foundation pile 3 is different with the set-up mode of reinforcing pile 4, remaining structure
It is same as Example 1.
As shown in fig. 6, more pile foundation stakes 3 divide the outer ring foundation pile and mesosphere to be set rotating around the center of cushion cap 2
Foundation pile, and a foundation pile positioned at the center position of cushion cap 2；Outer ring foundation pile and mesosphere foundation pile are by along circle
The circular stake circle that the uniform multiple spaced foundation piles 3 of circumferential direction are formed；More reinforcing piles 4 are separately positioned on two mutually
Vertical direction and successively close-packed arrays, make respectively to be formed twice on each direction through each stake circle and on stake circle center position
Piling wall, the piling walls of Gong tetra- are in " well " word in two mutually perpendicular directions, positioned at the foundation pile 3 of the center position of cushion cap 2
It is located just at the center of " well " word.
Embodiment 6
A kind of new low pile cap foundation structure, including cast-in-situ steel reinforced concrete cushion cap 2, and sink to more in foundation soil
Pile foundation stake 3 and Duo Gen reinforcing piles 4；Wherein, the length of reinforcing pile 4 is consistent with the length of foundation pile 3, and but only foundation pile 3
Foundation soil surface 5 is exposed on top, the stake top of whole foundation piles 3 is embedded in cast-in-situ steel reinforced concrete cushion cap 2, and reinforcing pile 4
Stake top is then entirely located in outside cushion cap 2.
As shown in fig. 7, more pile foundation stakes 3 divide the outer ring foundation pile and mesosphere to be set rotating around the center of cushion cap 2
Foundation pile, and a foundation pile positioned at the center position of cushion cap 2；Outer ring foundation pile and mesosphere foundation pile are vertically
The square stake circle that uniform multiple spaced foundation piles 3 are formed；The more parts of reinforcing pile 4 are separately positioned on outer cycle basis
Close-packed arrays make entirely the more reinforcing piles 4 between each two foundation pile 3 in plinth stake and between each two foundation pile 3 successively
Portion's reinforcing pile 4 surrounded jointly with whole foundation piles 3 in the foundation pile of outer ring together with the annular piling wall closed, while another part adds
Gu stake 4 is then separately positioned between each two foundation pile 3 in two mutually perpendicular directions and close-packed arrays successively, make position
Through the piling wall of each circle together with being collectively forming in the foundation pile 3 on each direction with reinforcing pile 4, the twice piling wall formed
It is mutually perpendicular to and intersects at a foundation pile of the center position of cushion cap 2；
Wherein, the cross section of cast-in-situ steel reinforced concrete cushion cap 2 is square；Foundation pile 3 is designed as straight stake, specially compound
Stake；Reinforcing pile 4 is straight stake, specially mixing pile.
Claims (9)
1. a kind of new low pile cap foundation structure, including the more pile foundation stakes (3) being arranged in foundation soil and the whole bases of connection
The cushion cap (2) of plinth stake (3) stake top, it is characterised in that also include more reinforcing piles (4) being arranged in foundation soil；Described more
Reinforcing pile (4) surrounds one of piling wall, or the more reinforcing piles on the outside of close-packed arrays and circular more pile foundation stakes (3) successively
(4) being arranged closely in successively respectively between the part foundation pile (3) makes the reinforcing pile (4) be individually formed one or multi-channel stake
Wall, or the more reinforcing piles (4) close-packed arrays and are arranged between the part foundation pile (3) successively respectively and make the reinforcing
Stake (4) and the foundation pile (3) are collectively forming one or multi-channel piling wall.
2. new low pile cap foundation structure according to claim 1, it is characterised in that more pile foundation stakes (3) point
For the multiple circles set rotating around cushion cap (2) center；The more reinforcing piles (4) around positioned at outermost stake circle and
Close-packed arrays surround the piling wall of one of closing successively.
3. new low pile cap foundation structure according to claim 1, it is characterised in that more pile foundation stakes (3) point
For the multiple circles set rotating around cushion cap (2) center；The more reinforcing piles (4) are separately positioned on positioned at outermost layer stake
Between each two foundation pile (3) in circle and successively close-packed arrays, make all reinforcing piles (4) and in outermost layer stake circle
Foundation pile (3) surround the piling wall of one of closing jointly, and/or, the more reinforcing piles (4) are separately positioned on positioned at two phases
Between each two foundation pile (3) in mutual vertical direction and successively close-packed arrays, make foundation pile (3) on each direction and
Reinforcing pile (4) is collectively forming the piling wall for running through each stake circle together, and the twice piling wall formed is mutually perpendicular to and intersects at each stake circle
Central point on.
4. new low pile cap foundation structure according to claim 1, it is characterised in that more pile foundation stakes (3) point
For the multiple circles set rotating around cushion cap (2) center；The more reinforcing piles (4) are separately positioned on two and are mutually perpendicular to
Direction and successively close-packed arrays, each side is set to be upwardly formed at least twice through each circle and on stake circle center position
Piling wall.
5. according to new low pile cap foundation structure according to any one of claims 1 to 4, it is characterised in that the basis
Stake (3) is bored concrete pile, composite pile or precast concrete pile.
6. according to new low pile cap foundation structure according to any one of claims 1 to 4, it is characterised in that the reinforcing
Stake (4) is mixing pile or high-pressure rotary jet grouting pile.
7. according to new low pile cap foundation structure according to any one of claims 1 to 4, it is characterised in that described more
Foundation pile (3) stake top is all embedded in the cushion cap (2) of cast-in-situ steel reinforced concrete formation；The stake top of the reinforcing pile (4) is complete
Portion or part are embedded in the cushion cap (2), or are all arranged at outside cushion cap.
8. new low pile cap foundation structure according to claim 7, it is characterised in that the cross section of the cushion cap (2)
Shape is poured as circular, square or polygon according to the shape of institute's pile circle.
9. according to new low pile cap foundation structure according to any one of claims 1 to 4, it is characterised in that the basis
Stake (3) is straight stake or taper pile；The reinforcing pile (4) is straight stake.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962104.XU CN207109839U (en) | 2017-08-03 | 2017-08-03 | New low pile cap foundation structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962104.XU CN207109839U (en) | 2017-08-03 | 2017-08-03 | New low pile cap foundation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237342A (en) * | 2017-08-03 | 2017-10-10 | 天津港航工程有限公司 | New low pile cap foundation structure and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237342A (en) * | 2017-08-03 | 2017-10-10 | 天津港航工程有限公司 | New low pile cap foundation structure and its construction method |
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