CN206418516U - A kind of combined embedded footing on piles, low capped pile foundation plinth - Google Patents
A kind of combined embedded footing on piles, low capped pile foundation plinth Download PDFInfo
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- CN206418516U CN206418516U CN201720024558.2U CN201720024558U CN206418516U CN 206418516 U CN206418516 U CN 206418516U CN 201720024558 U CN201720024558 U CN 201720024558U CN 206418516 U CN206418516 U CN 206418516U
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Abstract
A kind of combined embedded footing on piles, low capped pile foundation plinth of the utility model, including cushion cap, king pile, miniature auxiliary taper pile, coupling beam, wherein, the bottom center part of cushion cap sets king pile, and the bottom of cushion cap is evenly arranged with miniature auxiliary taper pile around king pile；The utility model links into an integrated entity king pile and miniature auxiliary taper pile formula structure by coupling beam, coordinates the stress between each stake, it is possible to reduce the settlement difference between basis, it is to avoid cause top-out structure to be destroyed because of differential settlement；The requirement of resistance to compression, resistance to plucking and antidumping is met by configuring king pile and miniature auxiliary taper pile soldier piles simultaneously, the ability of resistance horizontal force action is improved, the stress performance all using soldier piles can be effectively improved, reduce the foundation deformation under complicated loads.
Description
Technical field
The utility model belongs to building pile foundation field, more particularly to a kind of miniature auxiliary taper pile and vertical king pile combination
Type embedded footing on piles, low capped pile foundation plinth.
Background technology
Along with the fast development of China's economy, the building trade of China obtains significant progress.The height of building structure
It is continuously increased with complexity.With the continuous improvement of the depth-width ratio of structure, building foundation is by horizontal loading and vertical load
Also more serious, the building foundation failure thereby resulted in personnel's wound caused by is responded with the sidesway and sedimentation of lower generation
Die and property loss problem protrusion also more, thereby, it is ensured that structural safety, stable operation have highly important meaning
Justice.Basis is the supporting member that construction bottom is contacted with ground, and its effect is that the load on building top is transmitted to ground, is room
Room, bridge, the important component of harbour and other structures.Building structure basis is transferred the load in ground no matter
Which is partly gone wrong or destroyed for ground or basis, and serious influence will be all caused to top-out structure or even is caused
Major accident.Due to foundation condition complexity and soil physico-mechanical properties particularity, the research of people so far to it
Also in exploration.Lot of examples shows that building foundation failure can cause serious consequence, and such as 2009, one of Shanghai completed
The non-delivery high building used of work integrally covers, and its main cause of collapsing is that design is unreasonable, and basic resistance to capsizing is poor.Basis
The selection of pattern is one of influence engineering overall cost principal element again, and the selection of foundation pattern should combine each section of landform, the hydrology
Geological condition, execution conditions and structure type etc. are determined, and should as much as possible be dropped on the premise of code or specification is met
Low construction costs.
For soft clay area building structure basis, unavoidably to pass through the situation in the weak location of some geology, it is conventional
Way is that, using commbined foundations and large-section in-situ concrete pile basis, but commbined foundations excavated volume is big, reinforcement foundation and concrete amount
Larger, foundation cost is high；And bored concrete pile single-pile foundation, because of requirement for bearing capacity, often diameter and the long all larger and anti-overturning of stake
Can be poor.For current situation, in the urgent need to proposing more rational foundation pattern, to reduce difficulty of construction and quantities, subtract
Few destruction to natural environment, and then reduce construction costs.This patent proposes combined embedded footing on piles, low capped pile foundation plinth, this new
Base form, can preferably solve the problem of conventional base is present.
Utility model content
The purpose of this utility model is to provide a kind of combined embedded footing on piles, low capped pile foundation plinth for building structure so that pile foundation is met
The requirement of antidumping, improve resistance horizontal force action ability, mainly to structure outside environmental load excitation under each level
Sidesway, topple and vertical sedimentation is controlled.
To achieve the above object, the utility model uses following technical proposals：
Combined embedded footing on piles, low capped pile foundation plinth of the present utility model, includes the low pile cap of a carrying superstructure, described
Low pile cap is that king pile and miniature auxiliary taper pile provide connection plane；Described king pile is arranged in the center of cushion cap bottom, and
It is connected by coupling beam with each miniature auxiliary taper pile center section；Described miniature auxiliary taper pile is evenly distributed on the four of king pile
Week, top is embedded in inside cushion cap, and center section is connected to each other by coupling beam.
Further, described coupling beam includes coupling beam I and coupling beam II, and described beam I connection king piles and auxiliary taper pile are described
The adjacent auxiliary taper pile of beam II connections.
Further, described auxiliary taper pile is four, and king pile is one, and auxiliary taper pile is looped around around king pile.It is auxiliary
Help taper pile to set four, be arranged on the outside that cushion cap bottom is located at built pile, king pile sets one, is arranged on cushion cap bottom and is located at
The inner side of built pile.
Further, auxiliary taper pile is embedded in ground by miniature pile construction bore process, suffered by its gradient and basis
Uplift force and horizontal force synergy direction or lower pressure and horizontal force synergy direction it is basically identical, can meet simultaneously
The requirement of resistance to compression, resistance to plucking and antidumping, improves the ability of resistance horizontal force action, can be effectively improved the stress of traditional vertical single pile
Performance, reduces the foundation deformation under load action.
Further, described coupling beam I and coupling beam II is formed by arrangement of reinforcement and concreting and is furnished with helical structure
Auxiliary bar, each serves as the connection function between king pile and miniature auxiliary taper pile and auxiliary taper pile, coordinates the stress between each stake,
So as to reduce the settlement difference between basis.
Further, when described coupling beam I is with coupling beam II concretings, concrete directly should be poured into mould in order
In, the order direction then poured along apron piece, using oblique method of vibrating, vibrating spear is 25-30 ° with horizontal plane inclination angle and shaken
Smash, after concreting, 12h planted agent covers water seasoning under normal temperature condition.
Further, described king pile surrounds pile body steel bar framework by least five pile cage bars, described pile body framework
The pile ring muscle being connected with stake cage bar is provided with outer ring, pile ring muscle uses the tie hoop with helical structure.
Further, the cage bar lap joint position told should be correct, and its joint mutually staggers, and the overlap joint area of reinforcement should not
More than 1/4 of the reinforcing bar gross area in the length range, all full colligations in steel bar stress and stirrup junction must not tripping
Further, described auxiliary taper pile surrounds pile body steel bar framework, described pile body frame by least three pile cage bars
The pile ring muscle being connected with stake cage bar is provided with the outer ring of frame, pile ring muscle uses the spiral bar with helical structure.
Further, tied up at described spiral bar, splice length travel of the bar along connector center line be less than or
Equal to 3mm.The scarce button of assembling reinforcement, the quantity that releases, which are no more than, ties up the 10% of button sum, and should not concentrate, and the direction of crotch should be just
Really, colligation joint should meet the regulation of job specfication, and the lap of splice is not less than setting.
Further, the internal diameter of the pile body framework of described king pile is 4-5 times of the pile body framework of auxiliary taper pile, and king pile is stretched
Enter into the framework of cushion cap, and it is the 1/3 of cushion cap thickness to stretch into height, miniature auxiliary taper pile is extend into the framework of cushion cap, and
It is the 1/5 of cushion cap thickness to stretch into height.
Further, described cushion cap includes the cushion cap cage bar being connected with the cage bar of king pile, and connects with miniature auxiliary taper pile
The cushion cap cage bar connect.Strengthen the connection that design of node strengthens cushion cap and stake, form rigid joint, give full play to cushion cap as pressure-bearing
Plate is so as to improve the composite bearing ability of combined embedded footing on piles, low capped pile foundation plinth.
The beneficial effects of the utility model are as follows：
The combined embedded footing on piles, low capped pile foundation plinth, the characteristics of with anti-shearing, anti-lateral displacement, antidumping and anti-settling.With other stakes
Basic sidesway with sedimentation etc. control technology compare, the advantage of combined embedded footing on piles, low capped pile foundation plinth：
(1) combined embedded footing on piles, low capped pile foundation plinth is by the way that the shearing resistance in multiple directions can be realized by configuring miniature auxiliary taper pile simultaneously
Cut, anti-lateral displacement, antidumping control, meet the requirement of resistance to compression, resistance to plucking and antidumping, improve the ability of resistance horizontal force action, can
The stress performance of traditional vertical single pile is effectively improved, reduces the foundation deformation under complicated loads；
(2) combined embedded footing on piles, low capped pile foundation plinth can bear pulling force, it is adaptable to the uplift force of the tall and slender structure with large ratio of height to width；
(3) taper pile is aided in, whether by uplift force or by lower pressure, anti-shearing, anti-lateral displacement, antidumping can be played and make
With；
(4) king pile and auxiliary taper pile are linked into an integrated entity formula structure by coupling beam, coordinates the stress of cushion cap, it is possible to reduce base
The settlement difference of plinth, it is to avoid cause top-out structural damage because of differential settlement；
(5) overall structure simple structure, is easy to construction, it is easier to realize and security is higher；
(6) combined embedded footing on piles, low capped pile foundation plinth can be used alone, also can multiple combined embedded footing on piles, low capped pile foundation plinth be used in conjunction with, shape
Into the combined embedded footing on piles, low capped pile foundation plinth of a clump of piles.
(7) combined embedded footing on piles, low capped pile foundation plinth can reduce structure outside environmental load excitation under level to vertical base
Plinth deformation response, significantly reduce external environment condition load excitation under to the shearing of building structure, sidesway, topple and settlement action, carry
The performance of high architecture basics, it is ensured that the security of structure, can produce preferable economic and social benefit.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is combined embedded footing on piles, low capped pile foundation plinth top view schematic diagram.
Fig. 2 is combined embedded footing on piles, low capped pile foundation plinth front view schematic diagram.
In figure：1 cushion cap, 2 king piles, 3 miniature auxiliary taper piles, 4 coupling beam I, 5 coupling beam II.
Embodiment
The optimal embodiment of the utility model is described in detail below in conjunction with technical scheme and accompanying drawing.
The utility model proposes combined embedded footing on piles, low capped pile foundation plinth as depicted in figs. 1 and 2.Superstructure is carried including one
Low pile cap, miniature auxiliary taper pile, king pile and two kinds of coupling beams.Cushion cap to accept top-out structure, and for king pile 2 with it is miniature
Taper pile 3 is aided in provide connection.Described king pile 2 is fixed at the bottom center of cushion cap 1, and its main function is subject to top-out
The vertical load of structure application simultaneously resists foundation settlement.Described miniature auxiliary taper pile 3 amounts to 4 and is uniformly arranged in king pile 2
Around, and be connected with each other by coupling beam, its main function is resistant to cut suffered by building structure basis in the case where environmental load is encouraged
Shear force, so as to reduce the building structure sidesway as caused by foundation deformation and the unfavorable response such as topple.Described coupling beam includes coupling beam I
With coupling beam II, the connection function between king pile and miniature auxiliary taper pile and between miniature auxiliary taper pile is each served as, coupling beam
Main function is to strengthen the globality of combined embedded footing on piles, low capped pile foundation plinth, makes each part of combined embedded footing on piles, low capped pile foundation plinth in ring
Common stress is so as to improve the stability on basis under the load excitation of border.
Specific structure is as follows：
Combined embedded footing on piles, low capped pile foundation plinth, including cushion cap 1, king pile 2, miniature auxiliary taper pile 3, coupling beam I and coupling beam II, wherein,
King pile 2, the main vertical load to undertake are set at the bottom center of cushion cap 1.The bottom of cushion cap 1 is uniformly set around king pile 2
4 miniature auxiliary taper piles 3 are put, auxiliary taper pile is looped around around king pile.Aid in taper pile to set four, be arranged on cushion cap bottom position
In the outside of built pile, king pile sets one, is arranged on the inner side that cushion cap bottom is located at built pile.Described miniature auxiliary taper pile
It is embedded to by miniature pile construction bore process in ground, its gradient and the uplift force suffered by basis and horizontal force synergy side
To or lower pressure and horizontal force synergy direction it is basically identical, the requirement of resistance to compression, resistance to plucking and antidumping can be met simultaneously, is carried
The ability of height resistance horizontal force action, can be effectively improved the stress performance of traditional vertical single pile, reduce under external loads effect
Foundation deformation.
Combined embedded footing on piles, low capped pile foundation plinth by simultaneously configure miniature auxiliary taper pile can realize in multiple directions it is anti-shearing,
Anti-lateral displacement, antidumping control, meet the requirement of resistance to compression, resistance to plucking and antidumping, improve the ability of resistance horizontal force action, can be effective
Improve the stress performance of the vertical single pile of tradition, reduce the foundation deformation under complicated loads；
King pile 2 and miniature auxiliary taper pile 3 are linked into an integrated entity formula structure by coupling beam, and coupling beam includes coupling beam I4 and coupling beam II5
Form, each served as between king pile and miniature auxiliary taper pile and between miniature auxiliary taper pile by arrangement of reinforcement and concreting
Connection function, coordinates the stress between each stake, so as to reduce the settlement difference between basis, it is to avoid led because of differential settlement
Top-out structure is caused to be destroyed.
Further, when coupling beam I is with coupling beam II concretings, directly concrete should be poured into mould in order, then
The order direction poured along apron piece, using oblique method of vibrating, vibrating spear is 25-30 ° with horizontal plane inclination angle and vibrated, coagulation
After soil is poured, 12h planted agent covers water seasoning under normal temperature condition.
Further, miniature auxiliary taper pile 3 is embedded in ground by miniature pile construction bore process, its gradient and basis
Suffered uplift force and horizontal force synergy direction or lower pressure and horizontal force synergy direction are basically identical, can be simultaneously
The requirement of resistance to compression, resistance to plucking and antidumping is met, the ability of resistance horizontal force action is improved, traditional vertical single pile can be effectively improved
Stress performance, reduces the foundation deformation under kind of load action.
Further, king pile 2 surrounds pile body steel bar framework by least five pile cage bars, on the outer ring of described pile body framework
The pile ring muscle being connected with stake cage bar is provided with, pile ring muscle uses the tie hoop with helical structure.
Further, cage bar lap joint position should be correct, and its joint mutually staggers, and this is not to be exceeded in the overlap joint area of reinforcement
The 1/4 of the reinforcing bar gross area in length range, all full colligations in steel bar stress and stirrup junction, must not tripping
Further, auxiliary taper pile 3 surrounds pile body steel bar framework by least three pile cage bars, described pile body framework it is outer
The pile ring muscle being connected with stake cage bar is provided with circle, pile ring muscle uses the spiral bar with helical structure.
Further, spiral bar joint is tied up length travel of the bar along connector center line and is less than less than or equal to 3mm.Colligation
The scarce button of reinforcing bar, the quantity that releases, which are no more than, ties up the 10% of button sum, and should not concentrate, and the direction of crotch should be correct, colligation joint
The regulation of job specfication should be met, the lap of splice is not less than setting.
Further, the internal diameter of the pile body framework of king pile 2 is 4-5 times of the pile body framework of auxiliary taper pile, and king pile is extend into
In the framework of cushion cap, and it is the 1/3 of cushion cap thickness to stretch into height, and miniature auxiliary taper pile is extend into the framework of cushion cap, and is stretched into
Highly it is the 1/5 of cushion cap thickness.
Further, cushion cap 1 includes the cushion cap cage bar that is connected with the cage bar of king pile 2, and be connected with miniature auxiliary taper pile
Cushion cap cage bar.Strengthen the connection that design of node strengthens cushion cap and stake, form rigid joint, give full play to cushion cap as bearing plate from
And improve the composite bearing ability of combined embedded footing on piles, low capped pile foundation plinth.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (10)
1. a kind of combined embedded footing on piles, low capped pile foundation plinth, it is characterised in that：Include the low pile cap of a carrying superstructure, it is described
Low pile cap is that king pile and auxiliary taper pile provide connection plane；Described king pile is arranged in the center of cushion cap bottom, and passes through
Coupling beam is connected with being evenly distributed on each auxiliary taper pile of king pile surrounding；It is embedded at the top of described auxiliary taper pile in cushion cap
Portion.
2. combined embedded footing on piles, low capped pile foundation plinth as claimed in claim 1, it is characterised in that：Described coupling beam includes coupling beam I and company
Beam II, described beam I connection king piles and auxiliary taper pile, the adjacent auxiliary taper pile of described beam II connections.
3. combined embedded footing on piles, low capped pile foundation plinth as claimed in claim 1, it is characterised in that：Described auxiliary taper pile is four, main
Stake one, four auxiliary taper piles are looped around around king pile.
4. the combined embedded footing on piles, low capped pile foundation plinth as described in claim 1 or 3, it is characterised in that：The inclination of described auxiliary taper pile
Degree is combined with the uplift force suffered by combined embedded footing on piles, low capped pile foundation plinth and horizontal force synergy direction or lower pressure and horizontal force
Action direction is basically identical.
5. combined embedded footing on piles, low capped pile foundation plinth as claimed in claim 2, it is characterised in that：Described coupling beam I and coupling beam II by
Arrangement of reinforcement and concreting are formed, and each serve as the connection function between king pile and miniature auxiliary taper pile and miniature auxiliary taper pile,
Coordinate the stress between each stake.
6. the combined embedded footing on piles, low capped pile foundation plinth as described in claim 1 or 3, it is characterised in that described king pile is by least five
Stake cage bar surrounds pile body steel bar framework, and the pile ring muscle being connected with stake cage bar is provided with the outer ring of described pile body steel bar framework,
Pile ring muscle uses the tie hoop with helical structure.
7. the combined embedded footing on piles, low capped pile foundation plinth as described in claim 1 or 3, it is characterised in that described auxiliary taper pile is by least
Three pile cage bars surround pile body steel bar framework, and the pile ring being connected with stake cage bar is provided with the outer ring of described pile body steel bar framework
Muscle, pile ring muscle uses the spiral bar with helical structure.
8. combined embedded footing on piles, low capped pile foundation plinth as claimed in claim 1, it is characterised in that described cushion cap includes the master with king pile
The cushion cap cage bar of muscle connection and the cushion cap cage bar being connected with auxiliary taper pile.
9. combined embedded footing on piles, low capped pile foundation plinth as claimed in claim 1, it is characterised in that the pile body framework of described king pile it is interior
Footpath is 4-5 times of the pile body framework internal diameter of auxiliary taper pile.
10. combined embedded footing on piles, low capped pile foundation plinth as claimed in claim 9, it is characterised in that described king pile extend into cushion cap
In framework, and it is the 1/3 of cushion cap thickness to stretch into height, and auxiliary taper pile is extend into the framework of cushion cap, and it is cushion cap to stretch into height
The 1/5 of thickness.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720024558.2U CN206418516U (en) | 2017-01-10 | 2017-01-10 | A kind of combined embedded footing on piles, low capped pile foundation plinth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720024558.2U CN206418516U (en) | 2017-01-10 | 2017-01-10 | A kind of combined embedded footing on piles, low capped pile foundation plinth |
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| CN206418516U true CN206418516U (en) | 2017-08-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453716A (en) * | 2019-08-08 | 2019-11-15 | 广东天联电力设计有限公司 | Foundation pile reinforcement means and transmission line of electricity stake |
| CN110792095A (en) * | 2019-11-11 | 2020-02-14 | 山东建筑大学 | Multi-pile bearing platform-spiral anchor composite foundation |
| CN112982466A (en) * | 2021-03-04 | 2021-06-18 | 武汉科技大学 | Miniature oblique single pile structure |
-
2017
- 2017-01-10 CN CN201720024558.2U patent/CN206418516U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453716A (en) * | 2019-08-08 | 2019-11-15 | 广东天联电力设计有限公司 | Foundation pile reinforcement means and transmission line of electricity stake |
| CN110792095A (en) * | 2019-11-11 | 2020-02-14 | 山东建筑大学 | Multi-pile bearing platform-spiral anchor composite foundation |
| CN112982466A (en) * | 2021-03-04 | 2021-06-18 | 武汉科技大学 | Miniature oblique single pile structure |
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