CN108071109A - Pile body steel reinforcement cage and the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness - Google Patents
Pile body steel reinforcement cage and the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness Download PDFInfo
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- CN108071109A CN108071109A CN201611010067.9A CN201611010067A CN108071109A CN 108071109 A CN108071109 A CN 108071109A CN 201611010067 A CN201611010067 A CN 201611010067A CN 108071109 A CN108071109 A CN 108071109A
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- reinforcement cage
- steel reinforcement
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The present invention provides a kind of pile body steel reinforcement cage and the concrete apparatus of guarantee pile body protection of steel bar gabion layer thickness, wherein, which is used for pile body steel reinforcement cage, which includes：Concrete body and connector；Wherein, concrete body is annular shape, also, concrete body has preset thickness, and concrete body is used to be sheathed on the outside of steel reinforcement cage；The first end of connector is placed in concrete body, and the second end of connector is placed in outside concrete body, and the second end of connector is used to be connected with steel reinforcement cage.The present invention can efficiently reduce spacing deviation of the steel reinforcement cage for being arranged with concrete body in the axial direction of pile foundation hole between pile foundation hole; reduce axial position deviation of the steel reinforcement cage in pile foundation hole; and then ensure that steel reinforcement cage keeps plumbness in pile foundation hole; and; circular concrete body is directly as the protective layer of steel reinforcement cage; substantially increase the uniformity of protection of steel bar gabion layer thickness, additionally it is possible to improve the decentralization efficiency of steel reinforcement cage.
Description
Technical field
The present invention relates to pile foundation engineering technique fields, in particular to a kind of pile body steel reinforcement cage and ensure pile body reinforcing bar
The concrete apparatus of cage protective layer thickness.
Background technology
At present, during filling pile construction, first steel reinforcement cage is made, steel reinforcement cage is then lifted, then steel reinforcement cage is positioned over pile foundation
In hole.However, steel reinforcement cage is also easy to produce local buckling's deformation in lifting, and in decentralization process, due to steel reinforcement cage and pile foundation
There is spacing between the inner wall in hole, so, it is bad to be susceptible to steel reinforcement cage degree control, causes steel reinforcement cage in pile foundation hole introversion
Tiltedly so that the axial position deviation of steel reinforcement cage can not meet code requirement, influence the construction quality of bored concrete pile.
It is typically mixed in the periphery binding of the cage body of steel reinforcement cage in order to ensure steel reinforcement cage keeps plumbness in pile foundation hole
Solidifying soil cushion block or welding spacer bar, as the protective layer thickness control measure of steel reinforcement cage, by shortening steel reinforcement cage and pile foundation
Spacing between the inner wall of hole avoids the significantly inclination of steel reinforcement cage.Wherein, concrete pad is the cushion block of cuboid, each mixed
Solidifying soil cushion block or each spacer bar are the radially uniform arrangements along cage body.However, section of concrete pad and spacer bar
Area is smaller, and when concrete pad or spacer bar are in contact with the hole wall soil of pile foundation hole, hole wall soil is to concrete pad
Or the opposition of spacer bar is smaller, can not effectively play the corrective action to reinforcing bar cage location, especially, works as hole wall
When the soil property of soil is softer either when the radial distribution unevenness of concrete pad or spacer bar along cage body, concrete pad
Or spacer bar can not ensure that steel reinforcement cage keeps plumbness in pile foundation hole well.Also, concrete pad is fixed
The quantity of position reinforcing bar is more, and the heavy workload of the binding of concrete pad or the welding of spacer bar reduces pile foundation construction
Efficiency.
The content of the invention
In consideration of it, the present invention proposes a kind of concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness, it is intended to solve
Binding concrete pad or welding spacer bar in the prior art can not ensure that steel reinforcement cage keeps hanging down in pile foundation hole well
The problem of straight state.The invention also provides a kind of pile body steel reinforcement cages with the concrete apparatus.
On one side, the present invention proposes a kind of concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness, for stake
On body steel reinforcement cage, which includes：Concrete body and connector；Wherein, concrete body is circular, also, concrete
Body has preset thickness, and concrete body is used to be sheathed on the outside of steel reinforcement cage；The first end of connector is placed in concrete sheet
In vivo, the second end of connector is placed in outside concrete body, and the second end of connector is used to be connected with steel reinforcement cage.
Further, in the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness, connector at least two,
Each connector is uniformly distributed along the circumferencial direction of concrete body.
Further, the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness further includes：The arrangement of reinforcement of annular；Its
In, arrangement of reinforcement is placed in concrete body, also, arrangement of reinforcement is connected with the first end of connector.
Further, in the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness, connector includes：Connect successively
The first dowel, the second dowel and the 3rd dowel connect；Wherein, the first dowel and the 3rd dowel are to be arranged in parallel,
Also, for the first dowel with the second dowel to be vertically arranged, the 3rd dowel is to be vertically arranged with the second dowel；First connects
It connects muscle to be placed in concrete body and with arrangement of reinforcement be connected, the second dowel is attached at the top surface of concrete body, the 3rd connection
Muscle is placed in outside concrete body, and the 3rd dowel is used to be connected with steel reinforcement cage.
Further, in the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness, the lower end of concrete body
It is tapered.
Further, in the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness, steel reinforcement cage is used to be placed in stake
In datum hole；The distance between the outer wall of concrete body and the inner wall of pile foundation hole are 5mm~15mm.
Further, in the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness, concrete body uses C40
Concrete, C40 concrete include the component of following parts by weight：8~10 parts of cement, 6~9 parts of mineral admixture, middle sand 26~32
Part, 40~50 parts of stone, 0.7~0.85 part of preservative, 0.1~0.3 part of naphthalene water reducer and 8~10 parts of water；C40 concrete is also
Fiber is mixed including interior, the additive amount for inside mixing fiber is that 0.6~1.2kg is added per cubic meter of concrete.
Further, in the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness, inside mix fiber and gather to be modified
Tacryl.
Further, in the concrete apparatus of above-mentioned guarantee pile body protection of steel bar gabion layer thickness, the maximum particle diameter of stone is not
More than 10mm.
In the present invention, concrete body is annular shape, and concrete body has preset thickness, in such manner, it is possible to effectively subtract
Spacing deviation of the steel reinforcement cage of concrete body in the axial direction of pile foundation hole between pile foundation hole is arranged with less, that is, reduces steel reinforcement cage
Axial position deviation in pile foundation hole, and then ensure that steel reinforcement cage keeps plumbness in pile foundation hole, also, annular shape is mixed
Protective layer of the solidifying soil body as steel reinforcement cage, substantially increases the uniformity of protection of steel bar gabion layer thickness, solves the prior art
Middle binding concrete pad or welding spacer bar can not ensure that steel reinforcement cage keeps plumbness in pile foundation hole well
Problem, additionally it is possible to improve the decentralization efficiency of steel reinforcement cage.
On the other hand, the invention also provides a kind of pile body steel reinforcement cage, which includes：Cage body and above-mentioned guarantee stake
The concrete apparatus of body protection of steel bar gabion layer thickness；Wherein, cage body is connected with the connector in concrete apparatus.
Further, in above-mentioned pile body steel reinforcement cage, concrete apparatus at least two and along cage body length direction set,
Each concrete apparatus is connected with cage body, also, has pre-determined distance between two neighboring concrete apparatus.
Further, in above-mentioned pile body steel reinforcement cage, cage body sets supporting plate, and concrete apparatus is placed on supporting plate, and supporting plate is used for
Support concrete apparatus.
Since the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness has said effect, so with the concrete
The pile body steel reinforcement cage of device also has corresponding technique effect.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will be apparent understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the top view cross section of the concrete apparatus of guarantee pile body protection of steel bar gabion layer thickness provided in an embodiment of the present invention
Structure diagram；
Fig. 2 is the side view structure of the concrete apparatus of guarantee pile body protection of steel bar gabion layer thickness provided in an embodiment of the present invention
Schematic diagram；
Fig. 3 is the structure diagram of steel reinforcement cage provided in an embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the case where there is no conflict, embodiment in the present invention and
Feature in embodiment can be mutually combined.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Concrete apparatus embodiment：
Referring to Fig. 1 and Fig. 2, the mixed of guarantee pile body protection of steel bar gabion layer thickness provided in an embodiment of the present invention is shown in figure
The preferred structure of solidifying soil device.As shown in the figure, ensure that the concrete apparatus of pile body protection of steel bar gabion layer thickness is used for pile body reinforcing bar
On cage, which is connected with steel reinforcement cage, and as the protective layer of steel reinforcement cage, steel reinforcement cage is transferred to pile foundation hole, coagulation
Native device ensures that steel reinforcement cage keeps plumbness in pile foundation hole.
Concrete apparatus can include：Concrete body 1 and connector 2.Wherein, concrete body 1 can be annular shape.
Concrete body 1 is used to be sheathed on the outside of the cage body 4 of steel reinforcement cage, specifically, the internal diameter of concrete body 1 and the cage of steel reinforcement cage
The outer diameter of body 4 matches, i.e., the inner wall of concrete body 1 is in contact with the cage body 4 of steel reinforcement cage.
Concrete body 1 has preset thickness, when it is implemented, the preset thickness can be determined according to actual conditions,
Such as：In the present embodiment, pile foundation hole is round hole, can be according to pore-forming mode, the length of stake holes and the pile foundation hole week of pile foundation hole
The stable case of the soil body is enclosed, the distance between the outer wall of concrete body 1 and the inner wall of pile foundation hole can be 5mm~15mm.When
When soil stabilization around the long shorter and pile foundation hole of stake is preferable, between the outer wall of concrete body 1 and the inner wall of pile foundation hole
Distance can be 5mm.Soil stabilization around pile foundation hole is poor or when stake is long, the outer wall of concrete body 1 and stake
The distance between inner wall of datum hole can be 15mm.
When it is implemented, when steel reinforcement cage is transferred to pile foundation hole, due between concrete body 1 and the inner wall of pile foundation hole
Distance can be 5mm~15mm, so, if there is being stuck in the situation in pile foundation hole in concrete body 1, can up and down or control
Mobile steel reinforcement cage, is transferred again after adjusting the verticality of steel reinforcement cage.
The first end (lower end shown in Fig. 2) of connector 2 is placed in concrete body 1, second end (Fig. 2 institutes of connector 2
The upper end shown) it is placed in outside concrete body 1, the second end of connector 2 is used to be connected with steel reinforcement cage so that concrete body 1
It is fixed with 4 phase of cage body of steel reinforcement cage.Specifically, connector 2 can be dowel, and connector 2 is partially disposed in concrete body 1,
It is partially disposed in outside concrete body 1.The second end of connector 2 and the cage body 4 of steel reinforcement cage can be to be welded to connect or bind admittedly
It is fixed, naturally it is also possible to which that, for other connection modes, the present embodiment does not do this any restrictions.
As can be seen that in the present embodiment, concrete body 1 is annular shape, and concrete body 1 has preset thickness, in this way,
It is inclined that spacing of the steel reinforcement cage for being arranged with concrete body 1 in the axial direction of pile foundation hole between pile foundation hole can be efficiently reduced
Difference reduces axial position deviation of the steel reinforcement cage in pile foundation hole, and then ensures that steel reinforcement cage keeps plumbness in pile foundation hole,
Also, protective layer of the circular concrete body 1 as steel reinforcement cage, substantially increases the uniform of protection of steel bar gabion layer thickness
Property, solving binding concrete pad in the prior art or welding spacer bar can not ensure steel reinforcement cage in pile foundation hole well
The problem of interior holding plumbness, additionally it is possible to improve the decentralization efficiency of steel reinforcement cage.
In above-described embodiment, connector 2 at least two, the uniform cloth of circumferencial direction of each connector 2 along concrete body 1
It puts.Such as：Connector 2 can be 4, and each connector 2 arranges one along the circumferencial direction of concrete body 1 every 90 °.This
Sample can effectively ensure that concrete body 1 is preferably connected with steel reinforcement cage.
Referring to Fig. 2, Fig. 2 is the side structure schematic view of concrete apparatus provided in an embodiment of the present invention.On as shown in the figure,
It states in embodiment, concrete apparatus can also include：Arrangement of reinforcement 3.Wherein, which is annular, and arrangement of reinforcement 3 is placed in concrete body 1
It is interior, also, in concrete body 1, arrangement of reinforcement 3 is connected with the first end of connector 2.Preferably, arrangement of reinforcement 3 is arranged at concrete
The center of body 1.Certainly, when it is implemented, position of the arrangement of reinforcement 3 in concrete body 1 can also be according to actual conditions
It determines, the present embodiment do not do this any restrictions.The first end of arrangement of reinforcement 3 and connector 2 can be to be welded to connect, certainly,
Can be that other modes connect, the present embodiment is not intended to be limited in any this.Preferably, a diameter of 6mm of arrangement of reinforcement 3.
As can be seen that in the present embodiment, the setting of arrangement of reinforcement 3 can effectively improve the tensile strength of concrete body 1, really
Protect the mechanical strength of concrete body 1.
With continued reference to Fig. 2, in above-described embodiment, connector 2 can include：Sequentially connected first dowel 21, second
22 and the 3rd dowel 23 of dowel.Wherein, the first dowel 21 and the 3rd dowel 23 is are arranged in parallel, also, first connects
Muscle 21 is connect with the second dowel 22 to be vertically arranged, the 3rd dowel 23 is also to be vertically arranged with the second dowel 22.Specifically,
The diameter of first dowel 21, the second dowel 22 and the 3rd dowel 23 all can be 16mm.
First dowel 21 is placed in concrete body 1, also, the first dowel 21 is connected with arrangement of reinforcement 3.Second connection
Muscle 22 is attached at the top surface 11 of concrete body 1, and the 3rd dowel 23 is placed in outside concrete body 1, also, the 3rd dowel 23
For being connected with steel reinforcement cage.Specifically, the first dowel 21, the second dowel 22 and the 3rd dowel 23 are set in Z-shaped.
The internal face that 3rd dowel 23 corresponds to concrete body 1 at 23 position of the 3rd dowel is flush, i.e. the 3rd dowel
23 are in contact and are connected with the cage body 4 of steel reinforcement cage.
When it is implemented, the connector 2 can also include：Reinforcing rib 24, the first end of the reinforcing rib 24 are (shown in Fig. 2
Lower end) junction of the first dowel 21 and the second dowel 22 is arranged at, the second end of the reinforcing rib 24 is (on shown in Fig. 2
End) it is connected with the 3rd dowel 23.The reinforcing rib 24 plays the role of strengthening 2 rigidity of connector, reduces because of coagulation
The deflection deformation that the gravity of native body 1 generates, can also be supported the 3rd dowel 23.
As can be seen that in the present embodiment, connector 2 by the 3rd dowel 23 can preferably with the cage body of steel reinforcement cage 4
It is connected, it is ensured that being stably connected between connector 2 and steel reinforcement cage；Connector 2 is also connected by the first dowel 21 with arrangement of reinforcement 3
It connects, the active force that connector 2 is born can be uniformly distributed in the inside of concrete body 1, avoid the first dowel 21 with mixing
The local pulling force of concrete body 1 caused by the outside wall surface of solidifying soil body 1 is connected is excessive and generates drawing crack destruction, also, first
Dowel 21 is placed in concrete body 1 mechanical strength for improving concrete body 1.
With continued reference to Fig. 2, in the various embodiments described above, the lower end of concrete body 1 is tapered.Specifically, concrete body 1
Two sections can be divided into, epimere is annular shape, and lower end is taper, in such manner, it is possible to effectively reduce in steel reinforcement cage decentralization process
The side resistance of soil of pile foundation hole surrounding soil can also be handled the hole wall soil of pile foundation hole, so that the hole wall of pile foundation hole is smooth
Compacting avoids the generation of the concrete body part folder mud defect caused by the loose slump of hole wall soil of pile foundation hole.
In the various embodiments described above, concrete body 1 may be employed C40 concrete and be made, wherein, C40 concrete can wrap
Include the component of following parts by weight：It is 8~10 parts of cement, 6~9 parts of mineral admixture, 26~32 parts of middle sand, 40~50 parts of stone, anti-
8~10 parts of rotten 0.7~0.85 part of agent, 0.1~0.3 part of naphthalene water reducer and water.Wherein, C40 concrete can also include interior mix
Fiber, the additive amount for inside mixing fiber are that 0.6~1.2kg is added per cubic meter of concrete.Preferably, the additive amount for inside mixing fiber is
0.9kg is added per cubic meter of concrete.
Preferably, fiber is inside mixed for modified polypropylene fiber.Certainly, metallic fiber, inorganic can also be selected by inside mixing fiber
Fiber and other organic fibers etc., the present embodiment does not do this any restrictions.
Preferably, the maximum particle diameter of stone is no more than 10mm.
As can be seen that in the present embodiment, concrete body 1 uses C40 concrete, also, to each component in C40 concrete
It is defined, it can be ensured that the intensity of concrete body 1 especially, inside mixes fiber for modified polypropylene fiber, can be effective
Improve flexural strength, tensile strength and the durability of concrete body 1 in ground.
This embodiment describes the preferred structures of concrete apparatus.Referring to Fig. 2, the whole height a of concrete body 1 can be with
For 100mm, the height b of the epimere of concrete body 1 can be 50mm.The thickness c of the epimere of concrete body 1 can be according to stake
The distance between the aperture of datum hole and concrete body 1 and inner wall of pile foundation hole determine for 5mm~15mm.Concrete body
The thickness d of 1 hypomere can be 10mm.The distance of inner wall of the arrangement of reinforcement 3 apart from concrete body 1 is c/2, and arrangement of reinforcement 3 is apart from coagulation
The height h of the top surface 11 of native body 1 can be 30mm.
The manufacturing process of concrete apparatus is：Difference is produced according to the specification of the specification of pile foundation hole and concrete body 1
The steel mold of size smears one layer of grease in the inner wall of steel mold in advance.By the first dowel 21, the second dowel 22 and the 3rd
Dowel 23 is welded and fixed, and the first dowel 21 is welded and fixed with arrangement of reinforcement 3.Concrete is configured, and concrete is stirred
Uniformly, the casting concrete into steel mold, when be poured into need to place the position of arrangement of reinforcement 3 when, arrangement of reinforcement 3 is positioned over pour it is mixed
The predeterminated position of soil is coagulated, since the position of arrangement of reinforcement 3 is fixed, so the first dowel 21, the second dowel 22 and the 3rd dowel
23 positions are also fixed, and continue the casting concrete into mold, until pour completion, standard curing 28 days, by concrete body 1 from
It is taken out in mold.
In conclusion the present embodiment can efficiently reduce the axial direction for being arranged with the steel reinforcement cage of concrete body in pile foundation hole
The upper spacing deviation between pile foundation hole reduces axial position deviation of the steel reinforcement cage in pile foundation hole, and then ensures steel reinforcement cage
Plumbness, also, protective layer of the circular concrete body as steel reinforcement cage are kept in pile foundation hole, substantially increases steel
The uniformity of muscle cage protective layer thickness, additionally it is possible to improve the decentralization efficiency of steel reinforcement cage.
Pile body steel reinforcement cage embodiment：
The invention also provides a kind of pile body steel reinforcement cages.Referring to Fig. 3, Fig. 3 is steel reinforcement cage provided in an embodiment of the present invention
Structure diagram.As shown in the figure, the pile body steel reinforcement cage includes：Cage body 4 and above-mentioned guarantee pile body protection of steel bar gabion layer thickness
Concrete apparatus.Cage body 4 is connected with the connector 2 in concrete apparatus, wherein, the specific implementation process ginseng of concrete apparatus
See above description, details are not described herein for the present embodiment.
Since the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness has said effect, so with the concrete
The pile body steel reinforcement cage of device also has corresponding technique effect.
In above-described embodiment, concrete apparatus at least two, also, each concrete apparatus can be along the length of cage body 4
Direction is uniformly arranged.Connector 2 in each concrete apparatus is connected with cage body 4, also, two concrete dresses of arbitrary neighborhood
There is pre-determined distance between putting.When it is implemented, the pre-determined distance can be determined according to actual conditions, the present embodiment to this not
Do any restrictions.The distance between two concrete apparatus of arbitrary neighborhood can be equal.For example, in the present embodiment, appoint
The distance between two neighboring concrete apparatus of anticipating can be 5m.When the vertical bars of cage body 4 are relatively large in diameter, the spacing of stirrup is smaller,
The whole rigidity of cage body 4 is higher or when single hop cage body 4 is shorter, and the distance between two concrete apparatus of arbitrary neighborhood can be more than
5m。
As can be seen that in the present embodiment, by setting multiple concrete apparatus, axis of the cage body 4 in pile foundation hole is reduced
To position deviation, verticality when cage body 4 is transferred to pile foundation hole can be effectively ensured that, improve the decentralization efficiency of cage body 4.
In the various embodiments described above, the second end (upper end shown in Fig. 2) of connector 2 is placed in the concrete in concrete apparatus
The top (top shown in Fig. 2) of body 1.Cage body 4 corresponds at the position of the bottom (lower part shown in Fig. 2) of concrete apparatus
Supporting plate is set, and concrete apparatus is placed on supporting plate, and supporting plate is used for support concrete apparatus.Specifically, supporting plate and the connection of cage body 4
Mode can be welded to connect, bonding connection etc., it is of course also possible to which for other connection modes, the present embodiment does not appoint this
What is limited.Concrete body 1 in concrete apparatus is located at the top of supporting plate.When it is implemented, concrete body 1 and supporting plate it
Between without connection, 1 need of concrete body are positioned on supporting plate.
As can be seen that in the present embodiment, the top of concrete body 1 is connected by connector 2 with cage body 4, concrete
The bottom of body 1 passes through supporting plate support so that concrete apparatus is preferably connected with cage body 4.
In conclusion the present embodiment enables to concrete apparatus to be better contacted with cage body 4, reinforcing bar is effectively reduced
Axial position deviation of the cage in pile foundation hole, it is ensured that steel reinforcement cage keeps plumbness, also, circular coagulation in pile foundation hole
Protective layer of the native body as steel reinforcement cage substantially increases the uniformity of protection of steel bar gabion layer thickness, additionally it is possible to improve steel reinforcement cage
Decentralization efficiency.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (12)
- A kind of 1. concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness, for pile body steel reinforcement cage, which is characterized in that bag It includes：Concrete body (1) and connector (2)；Wherein,The concrete body (1) is annular shape, also, the concrete body (1) has preset thickness, the concrete sheet Body (1) is used to be sheathed on the outside of the steel reinforcement cage；The first end of the connector (2) is placed in the concrete body (1), and the second end of the connector (2) is placed in institute State concrete body (1) outside, the second end of the connector (2) is used to be connected with the steel reinforcement cage.
- 2. the concrete apparatus according to claim 1 for ensureing pile body protection of steel bar gabion layer thickness, which is characterized in that described Connector (2) at least two, each connector (2) are uniformly distributed along the circumferencial direction of the concrete body (1).
- 3. the concrete apparatus according to claim 1 for ensureing pile body protection of steel bar gabion layer thickness, which is characterized in that also wrap It includes：The arrangement of reinforcement (3) of annular；Wherein,The arrangement of reinforcement (3) is placed in the concrete body (1), also, the arrangement of reinforcement (3) and the first of the connector (2) End is connected.
- 4. the concrete apparatus according to claim 3 for ensureing pile body protection of steel bar gabion layer thickness, which is characterized in that described Connector (2) includes：Sequentially connected first dowel (21), the second dowel (22) and the 3rd dowel (23)；Wherein,First dowel (21) and the 3rd dowel (23) is are arranged in parallel, also, first dowel (21) With second dowel (22) to be vertically arranged, the 3rd dowel (23) sets with second dowel (22) to be vertical It puts；First dowel (21) is placed in the concrete body (1) and is connected with the arrangement of reinforcement (3), and described second connects The top surface that muscle (22) is attached at the concrete body (1) is connect, the 3rd dowel (23) is placed in the concrete body (1) Outside, the 3rd dowel (23) is used to be connected with steel reinforcement cage.
- 5. the concrete apparatus according to any one of claim 1 to 4 for ensureing pile body protection of steel bar gabion layer thickness, special Sign is that the lower end of the concrete body (1) is tapered.
- 6. the concrete apparatus according to any one of claim 1 to 4 for ensureing pile body protection of steel bar gabion layer thickness, special Sign is,The steel reinforcement cage is used to be placed in pile foundation hole；The distance between the outer wall of the concrete body (1) and the inner wall of the pile foundation hole are 5mm~15mm.
- 7. the concrete apparatus according to any one of claim 1 to 4 for ensureing pile body protection of steel bar gabion layer thickness, special Sign is that the concrete body (1) uses C40 concrete, and the C40 concrete includes the component of following parts by weight：Cement 8 ~10 parts, 6~9 parts of mineral admixture, 26~32 parts of middle sand, 40~50 parts of stone, 0.7~0.85 part of preservative, naphthalene system diminishing 8~10 parts of 0.1~0.3 part of agent and water；The C40 concrete mixes fiber in further including, and the interior additive amount for mixing fiber is every Cubic meter of concrete adds 0.6~1.2kg.
- 8. the concrete apparatus according to claim 7 for ensureing pile body protection of steel bar gabion layer thickness, which is characterized in that described Fiber is inside mixed for modified polypropylene fiber.
- 9. the concrete apparatus according to claim 7 for ensureing pile body protection of steel bar gabion layer thickness, which is characterized in that described The maximum particle diameter of stone is no more than 10mm.
- 10. a kind of pile body steel reinforcement cage, which is characterized in that including：Cage body (4) and as any one of the claims 1 to 9 Guarantee pile body protection of steel bar gabion layer thickness concrete apparatus；Wherein,The cage body (4) is connected with the connector (2) in the concrete apparatus.
- 11. pile body steel reinforcement cage according to claim 10, which is characterized in that the concrete apparatus at least two and edge The length direction of the cage body (4) is set, and each concrete apparatus is connected with the cage body (4), also, two neighboring There is pre-determined distance between the concrete apparatus.
- 12. pile body steel reinforcement cage according to claim 10, which is characterized in thatThe cage body (4) sets supporting plate, and the concrete apparatus is placed on the supporting plate, and the supporting plate is used for coagulation described in support Native device.
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| CN201611010067.9A CN108071109A (en) | 2016-11-16 | 2016-11-16 | Pile body steel reinforcement cage and the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611010067.9A CN108071109A (en) | 2016-11-16 | 2016-11-16 | Pile body steel reinforcement cage and the concrete apparatus for ensureing pile body protection of steel bar gabion layer thickness |
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| CN102383420A (en) * | 2011-08-17 | 2012-03-21 | 江苏建华管桩有限公司 | High-strength concrete prefabricated pile doped with fiber-reinforced plastic bar |
| CN204435361U (en) * | 2015-02-09 | 2015-07-01 | 中冶建工集团有限公司 | Arc iron and adopt the stake reinforcement installation structure of this arc iron |
| CN105714825A (en) * | 2016-04-28 | 2016-06-29 | 山东省建筑科学研究院 | Core pile guide device suitable for cemented soil core inserting combination pile and core pile guide method |
| CN205604232U (en) * | 2016-05-06 | 2016-09-28 | 中铁十局集团第二工程有限公司 | Drilled pile pile foundation steel reinforcement cage positioner |
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