CN208685615U - Recyclable stiffness overlaps armored concrete support pile - Google Patents
Recyclable stiffness overlaps armored concrete support pile Download PDFInfo
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- CN208685615U CN208685615U CN201821180732.3U CN201821180732U CN208685615U CN 208685615 U CN208685615 U CN 208685615U CN 201821180732 U CN201821180732 U CN 201821180732U CN 208685615 U CN208685615 U CN 208685615U
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Abstract
The utility model relates to civil engineering construction fields, disclose a kind of recyclable stiffness overlapping armored concrete support pile, including supporting stake, enhancing stake muscle is inserted in support stake, enhancing stake muscle outer surface is coated with anti-friction agent, the support stake is made of concrete, and the edge of the support stake is uniformly inserted with several pile muscle parallel with enhancing stake muscle.Supporting stake is substantially a kind of steel-concrete combined structure, is that enhancing stake muscle is added inside armored concrete to be formed by special composite material.Since enhancing stake muscle is like the general presence of bone, it can be effectively improved the ductility of concrete, greatly improve the stress performance of support stake.
Description
Technical field
The utility model relates to civil engineering construction field, in particular to a kind of recyclable stiffness overlaps armored concrete branch
Fender pile.
Background technique
With the propulsion of Urbanization in China, the development and utilization of the underground space are grown rapidly, and base pit engineering is ground
Down space develops most important working measure, and the pattern selection of extensive its prop of ultra-deep super foundation engineering is diversification
, the structure material difference of the influence to environment, environmental protection and energy saving is very big.
Notification number is that the Chinese patent of CN205242382U discloses a kind of recyclable support pile in part, mainly by solid-cone
Forming head, large diameter steel pipe, minor-diameter steel-tube, concrete, plank sheathing, H profile steel composition, both large diameter steel pipe and minor-diameter steel-tube
Between poured concrete in gap, pile body concrete is integral with stake end solid-cone forming head, and wooden model is equipped on the outside of H profile steel
Plate, the interior outside of plank sheathing are coated with oil, are inserted into minor-diameter steel-tube together with H profile steel, in minor-diameter steel-tube inner wall and plank sheathing
Between poured concrete.After the completion of foundation pit construction, H profile steel is recycled, which is prefabricated in the factory, internal H profile steel, enhancing
The bending resistance and overall stability of support pile.
Above-mentioned support pile enhances the structural strength of support pile in use, plugging H profile steel in concrete, improves support pile
Bending resistance and overall stability, but the support force that the structural strength of support pile and support pile can be provided when being pressurized is all
From H profile steel, i.e. the intensity that can be provided of support pile itself and few when support pile is by larger shearing force, is easy H profile steel
Pressure is larger, is easily deformed, poor so as to cause the structural strength of support pile, therefore the structure of above-mentioned support pile entirety is strong
Degree is weaker, and the shearing force that can bear is smaller.
Utility model content
The purpose of the utility model is to provide a kind of recyclable stiffnesses to overlap armored concrete support pile, has structural strength
It is relatively strong, the higher advantage of the shearing force that can bear.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of recyclable stiffness overlapping armored concrete support pile, including support stake, support and are inserted with enhancing stake muscle in stake,
Enhancing stake muscle outer surface is coated with anti-friction agent, and the support stake is made of concrete, and the edge of the support stake uniformly plugs
There are several pile muscle parallel with enhancing stake muscle.
By using above-mentioned technical proposal, stake is supported to form with concreting, and first pre-buried several piles when pouring
Muscle, support stake itself are made of armored concrete, itself have certain structural strength, then plug enhancing stake in support stake
Muscle enhances the structural strength of stake muscle, improves the shearing force that support stake can bear.Stake muscle will be enhanced after use from support stake
Interior extraction is recycled, save the cost.Support pile stress in base pit engineering is based on resist torque, shearing.Support stake essence
On be a kind of steel-concrete combined structure, be inside armored concrete be added enhancing stake muscle be formed by special composite material.
Since enhancing stake muscle is like the general presence of bone, it can be effectively improved the ductility of concrete, greatly improve the stress of support stake
Performance.
Further, the tie hoop of several annulars is equipped in the support stake from top to bottom, the pile muscle is inserted in
The inner ring of tie hoop.
By using above-mentioned technical proposal, tie hoop and pile muscle are combined with each other the columnar steel reinforcement cage to form hollow out,
Casting concrete in phase steel reinforcement cage, concrete and rebar cage form support stake, the structural strength of stake are supported to be further enhanced,
The stress performance of support stake greatly improves.
Further, the lower end of the support stake is set as cone cell.
By using above-mentioned technical proposal, the bottom of cone cell reduces the frictional force of support stake insertion soil layer, stake easy to support
Insertion.
Further, further include plain concrete pile, the plain concrete pile is made of concrete, the plain concrete pile with
The setting of stake interval is supported, and adjacent plain concrete pile and support stake part are overlapped.
By using above-mentioned technical proposal, plain concrete pile and the setting of support stake interval form interconnected strip
Support pile band has good waterproofness.And plain concrete pile is made of concrete, the compactness of concrete, anti-permeability performance
It is good.
Further, the bottom of the plain concrete pile is set as cone cell.
By using above-mentioned technical proposal, the bottom of plain concrete pile is set as cone cell, reduces plain concrete pile and is inserted into soil layer
When and soil layer between frictional force, convenient for the installation of plain concrete pile.
Further, the enhancing stake muscle is H profile steel.
By using above-mentioned technical proposal, the structural strength of H profile steel is preferable, and anti-bending strength is preferable, greatly improves support stake
Stress performance.
Further, the bottom of the enhancing stake muscle is equipped with plug division, and the plug division is H-shaped and the bottom for enhancing stake muscle
It fits, the plug division is made of three grafting items, and the upper surface of the grafting item is horizontally disposed, the lower end of the grafting item
It is set as v-shaped or cone cell.
By using above-mentioned technical proposal, enhancing stake muscle is H profile steel, when enhancing stake muscle is in insertion support stake, plug division
Bottom be v-shaped or cone cell, friction is small between the bottom of plug division and support stake, and enhancing stake muscle insertion is more convenient.
Further, the enhancing stake muscle is steel pipe.
By using above-mentioned technical proposal, enhancing stake muscle is steel pipe, enhance stake muscle and support contact area between stake compared with
Small, friction is small, convenient for enhancing the recycling of stake muscle.
Further, the bottom of the enhancing stake muscle is set as cone cell.
By using above-mentioned technical proposal, steel pipe bottom is set as cone cell, when steel pipe insertion is supported in stake, steel-pipe pile and support
Friction is small between stake, convenient for enhancing the insertion of stake muscle.
In conclusion the utility model has the following beneficial effects:
1. it is improved by a relatively large margin due to being inserted into H profile steel in support stake because the bending resistance of overlapping effect prop has, this
In the case where not expanding prop stake diameter, pattern foundation pit supporting structure depth can increase sample by a relatively large margin;
It is a kind of construction method of environment protecting and power-saving, H-type 2. great deal of steel can be saved due to H profile steel recoverable
It the extraction of steel and repeatedly uses, is that four sections, one environmental protection concept advocated with country is consistent, it is few to use and saving steel, it can
Effective protection atmospheric environment reduces the discharge amount of carbon dioxide;
3. prop good integrity, the support stake and the common stress of H profile steel of lowly reinforced rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1;
Fig. 2 is the structural schematic diagram of plug division in embodiment 1;
Fig. 3 is the structural schematic diagram of embodiment 2.
In figure, 1, support stake;2, enhance stake muscle;3, pile muscle;4, tie hoop;5, plain concrete pile;6, plug division;
61, grafting item.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1:
A kind of recyclable stiffness overlapping armored concrete support pile, such as Fig. 1, including several pile bodies, pile body are located at one directly
On line.Pile body is divided into support stake 1 and plain concrete pile 5, supports stake 1 and the setting of the interval of plain concrete pile 5.Two pile body of arbitrary neighborhood
Marginal portion overlapping there is stronger water preventing ability to form the guardrail that more seals.
Such as Fig. 1, plain concrete pile 5 is made of concrete, and support stake 1 is made of armored concrete.Plain concrete pile 5 and branch
There is concrete in support stake 1, concrete is more preferable compared to soil cement compactness, has very strong impermeability, improves waterproof effect.
Such as Fig. 1, supports the bottom of stake 1 and plain concrete pile 5 to be all set as cone cell, stake 1 and plain concrete pile 5 is supported to be inserted into soil
Friction is small when layer, is inserted into more convenient.
Such as Fig. 1, stake 1 is supported to be made of concrete and steel reinforcement cage.It supports stake 1 itself that there is certain structural strength, has
Certain stress performance.
Such as Fig. 1, steel reinforcement cage includes several tie hoops 4 and pile muscle 3.Tie hoop 4 is set as annular, along support stake 1
Axis direction is from top to bottom sequentially distributed in support stake 1.Pile muscle 3 passes through the inner ring of tie hoop 4 and by all spiral hoop
Muscle 4 is attached.Pile muscle 3 is vertically arranged, and all tie hoops 4 are connected, and reinforcing bar cage type is tubular and hollow out is arranged, coagulation
Soil is filled to steel reinforcement cage and is wrapped to form support stake 1.Steel reinforcement cage is equivalent to the bone of support stake 1, can be effectively improved mixed
The ductility for coagulating soil, greatly improves the stress performance of concrete.
It such as Fig. 1, supports and is inserted with enhancing stake muscle 2 in stake 1, the structural strength that enhancing stake muscle 2 further enhances support stake 1 mentions
The mechanical property of height support stake 1.The outer surface of enhancing stake muscle 2 is coated with anti-friction agent, reduces between support stake 1 and enhancing stake muscle 2
Frictional force, convenient for enhancing the recycling of pile foundation.
As Fig. 1 supports stake 1 to replace traditional water using reinforced concrete structure compared to traditional recyclable support pile
Soil, armored concrete have very strong structural strength and mechanical property.With the support stake 1 of size, the support stake 1 of the present apparatus
Mechanical property is better than traditional support stake 1.Similarly, to reach certain mechanical property, the diameter of the support stake 1 of the present apparatus is less than
The diameter of traditional support stake 1, saves material, saves cost.
Such as Fig. 1 and Fig. 2, enhancing stake muscle 2 is H profile steel, and the bottom of enhancing stake muscle 2 is connected with plug division 6.Plug division 6 is set as H-shaped
It fits with the bottom of enhancing stake muscle 2.It is convenient for the insertion of enhancing stake muscle 2 in plug division 6.
Such as Fig. 1 and Fig. 2, plug division 6 is made of three grafting items 61, and the upper surface level of grafting item 61 is convenient for and enhancing stake
The bottom of muscle 2 fits connection.The lower end of grafting item 61 is set as v-shaped.61 shape of grafting item is triangular prism, the enhancing insertion branch of stake muscle 2
When supportting 1 inside of stake, grafting item 61 is first contacted with the concrete in support stake 1, the bottom of grafting 61v shape reduce and concrete it
Between resistance, convenient for enhance stake muscle 2 insertion.As another embodiment, the bottom of grafting item 61 can also be set as taper.
Specific implementation process: 1, mud off pore-forming supports 1 construction technology process of stake: levelling of the land → stake position unwrapping wire → is opened
Dig stock tank, slurry ditch → shield-tube embedment → drilling machine in place, hole bit correction → pore-forming, mud circulation, removing waste pulp, body refuse → first time
Borehole cleaning → inspection of quality → descending reinforcing cage and steel conduit → second of borehole cleaning → pour underwater concrete → pile.
2, be inserted into H profile steel: H profile steel steel generally select Q235B, common section have H4883001118, H50020010,
H70030013, H8003001426 etc..
H profile steel is preferably inserted into 30 minutes after supporting stake 1 to construct, and should first be derusted in dry conditions before insertion, then
In its external coating anti-friction agent, recycling and reusing is carried out to extract H profile steel after foundation pit backfills.After filling pile construction,
Loop wheel machine should be in place immediately, and preparation hangs H profile steel.H profile steel preferably relies on self weight to be inserted into, and such as insertion time is appropriate, general by self weight
Can smoothly be inserted into, if by bottom soil property situation influenced insertion have any problem when, can be used ancillary measure sinking.
3, it forms stiffness and overlaps armored concrete support pile: after 1 maintenance a period of time of support stake of insertion H profile steel,
Generally 28 days concrete strengths reach 100%, can carry out excavation of foundation pit, and " recyclable stiffness overlaps armored concrete supporting
Stake " plays earth-retaining and sealing effect.
4, H profile steel is pulled out: after foundation pit backfill, being pulled out to H profile steel.H profile steel pulls out program: levelling of the land → installation is very heavy
Top → loop wheel machine is in place → and fashioned iron pulls out → gap filling.
Embodiment 2:
The difference of embodiment 2 and embodiment 1 is that the structure for enhancing stake muscle 2 is different: such as Fig. 3, enhancing stake muscle 2 is steel pipe,
The bottom of steel pipe is set as cone cell, facilitates insertion into.The contact area of steel pipe and concrete is smaller, convenient for recycling.The hollow setting of steel pipe,
The concrete and amount of reinforcement of support pile, save the cost can largely be saved.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of recyclable stiffness overlaps armored concrete support pile, including support stake (1), enhancing is inserted in support stake (1)
Stake muscle (2), enhancing stake muscle (2) outer surface are coated with anti-friction agent, it is characterised in that: and the support stake (1) is made of concrete,
The edge of support stake (1) is uniformly inserted with several pile muscle (3) parallel with enhancing stake muscle (2).
2. recyclable stiffness according to claim 1 overlaps armored concrete support pile, it is characterised in that: the support stake
(1) tie hoop (4) of several annulars is equipped in from top to bottom, the pile muscle (3) is inserted in the inner ring of tie hoop (4).
3. recyclable stiffness according to claim 1 overlaps armored concrete support pile, it is characterised in that: the support stake
(1) lower end is set as cone cell.
4. recyclable stiffness according to claim 1 overlaps armored concrete support pile, it is characterised in that: further include that element is mixed
Solidifying soil stake (5), the plain concrete pile (5) are made of concrete, and the plain concrete pile (5) and support stake (1) interval are arranged,
And adjacent plain concrete pile (5) and support stake (1) part are overlapped.
5. recyclable stiffness according to claim 4 overlaps armored concrete support pile, it is characterised in that: the element coagulation
The bottom of native stake (5) is set as cone cell.
6. recyclable stiffness according to claim 1 overlaps armored concrete support pile, it is characterised in that: the enhancing stake
Muscle (2) is H profile steel.
7. recyclable stiffness according to claim 6 overlaps armored concrete support pile, it is characterised in that: the enhancing stake
The bottom of muscle (2) is equipped with plug division (6), and the plug division (6) is that H-shaped fits with the bottom for enhancing stake muscle (2), the grafting
Portion (6) is made of three grafting items (61), and the upper surface of the grafting item (61) is horizontally disposed, the lower end of the grafting item (61)
It is set as v-shaped or cone cell.
8. recyclable stiffness according to claim 1 overlaps armored concrete support pile, it is characterised in that: the enhancing stake
Muscle (2) is steel pipe.
9. recyclable stiffness according to claim 8 overlaps armored concrete support pile, it is characterised in that: the enhancing stake
The bottom of muscle (2) is set as cone cell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821180732.3U CN208685615U (en) | 2018-07-24 | 2018-07-24 | Recyclable stiffness overlaps armored concrete support pile |
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Application Number | Priority Date | Filing Date | Title |
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CN201821180732.3U CN208685615U (en) | 2018-07-24 | 2018-07-24 | Recyclable stiffness overlaps armored concrete support pile |
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CN208685615U true CN208685615U (en) | 2019-04-02 |
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ID=65882247
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