CN109914433A - A kind of foundation pit supporting method and raked pile - Google Patents
A kind of foundation pit supporting method and raked pile Download PDFInfo
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- CN109914433A CN109914433A CN201910301158.5A CN201910301158A CN109914433A CN 109914433 A CN109914433 A CN 109914433A CN 201910301158 A CN201910301158 A CN 201910301158A CN 109914433 A CN109914433 A CN 109914433A
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- pile
- pile body
- movable part
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Abstract
The present invention provides a kind of foundation pit supporting method and raked pile, is related to technical field of buildings.The raked pile includes pile crown, pile body, movable part, block piece, guide part and elastic component；Pile crown is in coniform, pile body forms the accommodating chamber that one end is open end, pile crown is fixedly connected with the closed end of pile body, the quantity of guide part is the inner wall that multiple and along pile body short transverses are fixedly installed on pile body, movable part is provided with being at least partially disposed in pilot hole of the pilot hole matched with guide part and guide part, elastic component is set in the periphery of guide part, and elastic component is connect with the inner wall of pile body and movable part respectively；The quantity of block piece is multiple, and multiple block pieces are fixedly connected on movable part, and multiple block pieces are distributed along the short transverse of pile body, and the side wall of pile body is provided with through-hole corresponding with block piece；Movable part can close to pile body inner wall so that block piece at least partially across through-hole and extend to the outside of pile body.The raked pile is structurally reasonable, supporting effect is good.
Description
Technical field
The present invention relates to technical field of buildings, in particular to a kind of foundation pit supporting method and raked pile.
Background technique
Pattern foundation pit supporting structure is the safety to guarantee Underground Construction and foundation pit surrounding environment, to foundation pit side-wall and surrounding enviroment
Supporting file, reinforcing and the safeguard measure of use, design requirement pattern foundation pit supporting structure should meet stable and deformation as a structural system
It is required that.
In the related technology, supporting is carried out frequently with Vertical Pile in pattern foundation pit supporting structure, the edge soil body of foundation pit is be easy to cause to collapse
It collapses the problem bad with supporting effect.
Summary of the invention
The purpose of the present invention is to provide a kind of raked piles, to solve above-mentioned technical problem.
The embodiment of the present invention is achieved in that
A kind of raked pile, including pile crown, pile body, movable part, block piece, guide part and elastic component；
For the pile crown in coniform, the pile body forms the accommodating chamber that one end is open end, the pile crown and the pile body
Closed end be fixedly connected, the quantity of the guide part is multiple and is fixedly installed on the stake along the short transverse of the pile body
The inner wall of body, the movable part are provided with being at least partially disposed at for the pilot hole matched with the guide part and the guide part
In the pilot hole, the elastic component is set in the periphery of the guide part, and the elastic component is respectively and in the pile body
Wall is connected with the movable part；
The quantity of the block piece is multiple, and multiple block pieces are fixedly connected on the movable part, Duo Gesuo
The short transverse that block piece is stated along the pile body is distributed, and the side wall of the pile body is provided with corresponding with the block piece logical
Hole；
The movable part can be close to the inner wall of the pile body so that leading at least partially across described for the block piece
Hole and the outside for extending to the pile body.
In optional embodiment of the present invention, the quantity of the movable part is two, and two movable parts are respectively first
Movable part and the second movable part, first movable part and second movable part are oppositely arranged and first movable part and institute
State the channel that formation is connected to the open end between the second movable part, wherein the channel is in the open end of the pile body to envelope
On the direction of closed end, cross-sectional area is gradually increased.
In optional embodiment of the present invention, first movable part and second movable part are L-shaped, and described first is living
Moving part includes L-shaped first connecting portion and second connecting portion, and the first connecting portion extends along the short transverse of the pile body,
The second connecting portion is at least partially disposed in one of them described through-hole.
In optional embodiment of the present invention, the side far from the movable part of the through-hole is provided with block piece, works as institute
State movable part towards the pile body it is external mobile when, the block piece can pass through the block piece so that the block piece
It is at least partially disposed at the outside of the pile body.
In optional embodiment of the present invention, the block piece is laminated structure and is fixedly installed on the through-hole, the screening
The gap that there is block piece the block piece to pass through.
In optional embodiment of the present invention, it is convex that the side far from the open end of the closed end is provided with multiple first
The portion of rising, the side close to the pile body of the pile crown are provided with multiple recessed with first lug boss one-to-one first
Slot, first lug boss are embedded in first groove.
In optional embodiment of the present invention, the open end of the pile body is provided with the second groove, and second groove is formed
On two opposite inner sidewalls of the pile body, so that second groove can be passed through for connector with matching.
In optional embodiment of the present invention, multiple second lug bosses, second lug boss are provided on the block piece
Vertical cross-section along the pile body is distributed.
In optional embodiment of the present invention, the elastic component is pressure spring.
The embodiment of the present invention also provides a kind of foundation pit supporting method, which comprises
Connected pile crown and pile body are squeezed at an oblique angle by piling machine into the soil body of foundation pit periphery；
Concrete is injected into the accommodating chamber of the pile body by the open end of the pile body, passes through concrete extrusion activity
Part so that block piece by being stretched out in through-hole.
The beneficial effect of the embodiment of the present invention is: the raked pile is squeezed into tilt angle in the soil body of foundation pit periphery, is passed through
Penetration concrete inside to raked pile, so that the block piece inside pile body is stretched out inside pile body by the extruding of concrete,
The block piece can extend into the soil body, to increase the contact area of raked pile and the soil body, can effectively avoid margin of foundation pit native
The collapsing of body, and then enhance supporting effect.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the raked pile that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the raked pile that another embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for the block piece that an embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram for the block piece that another embodiment of the present invention provides.
Icon: 100- pile crown；110- pile body；The first lug boss of 111-；The open end 112-；The second groove of 113-；114- is logical
Hole；The first movable part of 120-；The first pilot hole of 121-；The second movable part of 130-；The second pilot hole of 131-；140- block piece；
The second lug boss of 141-；150- guide part；160- elastic component；170- block piece.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "inner", "outside" be based on the orientation or positional relationship shown in the drawings or the invention produce
Product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.In addition, term " first ", " second " etc. are only used for distinguishing description, and it should not be understood as instruction or dark
Show relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature
Directly contacted including the first and second features, also may include the first and second features be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy
Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of first feature horizontal height
Less than second feature.
Refering to fig. 1, the embodiment of the present invention provides a kind of raked pile, which includes pile crown 100, pile body 110, activity
Part, block piece 140, guide part 150 and elastic component 160.
Wherein, pile crown 100 is in coniform, is conducive to beat the raked pile using pile press machine using coniform pile crown 100
Enter into the soil body, pile body 110 is in hollow quadrangular shape, and pile body 110 forms the accommodating chamber that one end is open end 112, and should
The shape of accommodating chamber is also substantially in quadrangular shape, and pile body 110 is fixedly connected with the closed end of pile body 110, it should be noted that stake
First 100 and pile body 110 be all made of prefabricated component, so as to the manufacture of the raked pile.
Refering to fig. 1, in the present embodiment, the quantity of guide part 150 is multiple and is fixedly installed along the short transverse of pile body 110
In on the inner wall of pile body 110, movable part is provided with the pilot hole matched with guide part 150 and guide part 150 at least partly
In pilot hole, in other words, movable part is movably disposed in the inner wall of pile body 110, that is, activity by guide part 150
Part is capable of the inner wall of close or separate pile body 110, and elastic component 160 is then set in the periphery of guide part 150, and elastic component
160 connect with the inner wall of pile body 110 and movable part respectively；The quantity of block piece 140 is multiple, the fixed company of multiple block pieces 140
It is connected on movable part, multiple block pieces 140 are distributed along the short transverse of pile body 110, and the side wall of pile body 110 is provided with and block piece
140 corresponding through-holes 114.
Through the above technical solutions, when the inner wall of movable part towards pile body 110 is mobile, at this point, movable part is by elastic component
160 press to the inner wall of pile body 110, and guide part 150 then progresses into the pilot hole of movable part, and block piece 140 is then gradually worn
The through-hole 114 on pile body 110 is crossed, block piece 140 can be made to extend out to the outside of pile body 110 as a result,；When it is implemented, first should
Raked pile is squeezed into the soil body by pile press machine with tilt angle, then injects concrete by the open end 112 of pile body 110, is led to
The extruding for crossing concrete makes movable part towards the movement of the inside of pile body 110, and then stretches out block piece 140 out of pile body 110, should
Block piece 140 can reinforce the binding ability of pile body 110 Yu the soil body, so that the soil body of margin of foundation pit be avoided to collapse.
Wherein, pressure spring can be used in elastic component 160, and pressure spring is connect with the inner wall of pile body 110 and movable part respectively, can be
The prefabricated component of the inner wall setting metal of pile body 110, to weld one end of pressure spring and pile body 110, and movable part then can be used
Steel plate is made.
In the present embodiment, block piece 140 is plate structure, is buried when block piece 140 is stretched out to go forward side by side by the two sides of raked pile
After body, the contact area of the raked pile and the soil body can be further increased, so that the raked pile be made to enhance the supporting to the soil body
Ability avoids the soil body from collapsing.
Refering to Fig. 3 and Fig. 4, further, the second lug boss 141 is provided on block piece 140, second lug boss
141 along pile body 110 vertical cross-section be distributed, and be located at block piece 140 separate foundation pit side, by the way that the second lug boss is arranged
141, it is capable of increasing the contact area of block piece 140 Yu the soil body, so that the support capacity of the raked pile is improved, the second lug boss
141 cross sectional shape can be semicircle, and the second lug boss 141 can be block structure or strip structure.
Refering to fig. 1, in the present embodiment, the quantity of movable part is two, and two movable parts are respectively 120 He of the first movable part
Second movable part 130, the first movable part 120 and the second movable part 130 are oppositely arranged and the first movable part 120 and the second movable part
The channel being connected to open end 112 is formed between 130, wherein side of the channel in the open end of pile body 110 112 to closed end
Upwards, cross-sectional area is gradually increased, in this way, when being gradually passed through concrete into accommodating chamber, due to the bottom of the through-hole 114
Portion's area is greater than the area at top, is conducive to the inner wall that movable part is pressed to pile body 110, so that block piece 140 be made to extend out to stake
The outside of body 110.
Correspondingly, which is divided into the first pilot hole 121 and the second pilot hole 131, and the first pilot hole 121 is used for first
Guide part 150 on movable part 120 passes through, and guide part 150 of second pilot hole 131 on the second movable part 130 passes through.
Referring to Fig.2, in further embodiments, can also make the shape in the channel is substantially in quadrangular shape, can also incite somebody to action
Movable part presses to the inner wall of pile body 110.
Refering to fig. 1, further, the first movable part 120 and the second movable part 130 are L-shaped, the first movable part 120 packet
L-shaped first connecting portion and second connecting portion are included, first connecting portion extends along the short transverse of pile body 110, second connecting portion
Be at least partially disposed in one of through-hole 114, this way it is possible to avoid in concrete perfusion, the coagulation of 110 bottom of pile body
Soil enters between movable part and the inner wall of pile body 110, and it is mobile towards the inner wall of pile body 110 to influence movable part.
Refering to fig. 1, in the present embodiment, the side of the separate movable part of through-hole 114 is provided with block piece 170, works as activity
When the outside of part towards pile body 110 is mobile, block piece 140 can be across block piece 170 so that at least partly position of block piece 140
In the outside of pile body 110, which is made by laminated structure and using rubber material, is provided on block piece 170 for resistance
The gap that block piece 140 passes through, by the way that the block piece 170 is arranged, which can effectively avoid during squeezing into the soil body
Through-hole 114 on soil plug pile body 110 and soil is avoided to enter in pile body 110.
Refering to fig. 1, in the present embodiment, the side of the separate open end 112 of the closed end of pile body 110 is provided with multiple
One lug boss 111, the side of the close pile body 110 of pile crown 100 are provided with multiple and the first lug boss 111 one-to-one first
Groove, the first lug boss 111 are embedded in the first groove, by the first lug boss 111 of setting and the first groove, can enhance stake
The binding ability of body 110 and pile crown 100, and then keep the structure of the raked pile more stable, to guarantee supporting effect.
Refering to fig. 1, in the present embodiment, the open end of pile body 110 112 is provided with the second groove 113, the second groove 113
It is formed on two opposite inner sidewalls of pile body 110, so that the second groove 113 can be worn for connector with matching
It crosses.
It is appreciated that need multiple raked piles to be arranged around foundation pit when to pattern foundation pit supporting structure, and multiple raked piles are being squeezed into
After the soil body, multiple raked piles in the same direction can be connected by connector, to enhance multiple inclining of arranging in the same direction
The overall structural strength of taper pile, to guarantee that there is good supporting effect；Wherein, which can be used steel plate, pass through steel
Plate is arranged in multiple second grooves 113 to connect multiple raked piles, in addition, can also be arranged in the side wall of the second groove 113
Built-in fitting further enhances the structural strength of connector and raked pile so that connector and built-in fitting be welded.
The embodiment of the present invention also provides a kind of foundation pit supporting method, the foundation pit supporting method the following steps are included:
Connected pile crown 100 and pile body 110 are squeezed at an oblique angle by piling machine into the soil body of foundation pit periphery；
Concrete is injected into the accommodating chamber of pile body 110 by the open end 112 of pile body 110, it is living by concrete extrusion
Moving part so that block piece 140 by being stretched out in through-hole 114.
The raked pile is squeezed into the soil body of foundation pit periphery, is then filled by the open end 112 of pile body 110 into accommodating chamber
Concrete is infused, so that the block piece 140 in pile body 110 be made to extend out to the outside of pile body 110, is moved with limiting the soil body of foundation pit periphery
It is dynamic, so that the soil body of foundation pit periphery be avoided to collapse.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of raked pile, which is characterized in that including pile crown, pile body, movable part, block piece, guide part and elastic component；
For the pile crown in coniform, the pile body forms the accommodating chamber that one end is open end, the envelope of the pile crown and the pile body
Closed end is fixedly connected, and the quantity of the guide part is multiple and is fixedly installed on the pile body along the short transverse of the pile body
Inner wall, it is described that the movable part is provided with being at least partially disposed at for the pilot hole matched with the guide part and the guide part
In pilot hole, the elastic component is set in the periphery of the guide part, and the elastic component respectively with the inner wall of the pile body and
The movable part connection；
The quantity of the block piece is multiple, and multiple block pieces are fixedly connected on the movable part, multiple resistances
Block piece is distributed along the short transverse of the pile body, and the side wall of the pile body is provided with through-hole corresponding with the block piece；
The movable part can close to the pile body inner wall so that the block piece at least partially across the through-hole simultaneously
Extend to the outside of the pile body.
2. raked pile according to claim 1, which is characterized in that the quantity of the movable part is two, two work
Moving part is respectively the first movable part and the second movable part, and first movable part is oppositely arranged and described with second movable part
The channel being connected to the open end is formed between first movable part and second movable part, wherein the channel is in the stake
On the open end of body to the direction of closed end, cross-sectional area is gradually increased.
3. raked pile according to claim 2, which is characterized in that first movable part and second movable part are in
L-type, first movable part include L-shaped first connecting portion and second connecting portion, and the first connecting portion is along the pile body
Short transverse extend, the second connecting portion is at least partially disposed in one of them described through-hole.
4. raked pile according to claim 1, which is characterized in that the side far from the movable part of the through-hole is arranged
Have block piece, when the movable part towards the pile body it is external mobile when, the block piece can pass through the block piece with
Make the outside for being at least partially disposed at the pile body of the block piece.
5. raked pile according to claim 4, which is characterized in that the block piece is laminated structure and is fixedly installed on institute
State through-hole, the gap that there is the block piece block piece to pass through.
6. raked pile according to claim 1, which is characterized in that the side far from the open end of the closed end is set
Multiple first lug bosses are equipped with, the side close to the pile body of the pile crown is provided with multiple and first lug boss one by one
Corresponding first groove, first lug boss are embedded in first groove.
7. raked pile according to claim 1, which is characterized in that the open end of the pile body is provided with the second groove, institute
It states the second groove to be formed on two opposite inner sidewalls of the pile body, so that second groove can be for cooperating therewith
Connector pass through.
8. raked pile according to claim 1, which is characterized in that multiple second lug bosses are provided on the block piece,
Second lug boss is distributed along the vertical cross-section of the pile body.
9. raked pile according to claim 1-8, which is characterized in that the elastic component is pressure spring.
10. a kind of foundation pit supporting method, which is characterized in that the described method includes:
Connected pile crown and pile body are squeezed at an oblique angle by piling machine into the soil body of foundation pit periphery；
Inject concrete into the accommodating chamber of the pile body by the open end of the pile body, by concrete extrusion movable part with
Make block piece by stretching out in through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301158.5A CN109914433A (en) | 2019-04-15 | 2019-04-15 | A kind of foundation pit supporting method and raked pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301158.5A CN109914433A (en) | 2019-04-15 | 2019-04-15 | A kind of foundation pit supporting method and raked pile |
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| Publication Number | Publication Date |
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| CN109914433A true CN109914433A (en) | 2019-06-21 |
Family
ID=66969976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910301158.5A Pending CN109914433A (en) | 2019-04-15 | 2019-04-15 | A kind of foundation pit supporting method and raked pile |
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Cited By (2)
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| CN110359447A (en) * | 2019-07-17 | 2019-10-22 | 周晨 | A kind of tubing string |
| CN113309074A (en) * | 2021-05-12 | 2021-08-27 | 海南省农垦设计院有限公司 | A foundation ditch fender pile for building energy-saving engineering |
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Application publication date: 20190621 |
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