CN105133578B - Composite material grid structure and reinforcement concrete combined pile and construction method thereof - Google Patents
Composite material grid structure and reinforcement concrete combined pile and construction method thereof Download PDFInfo
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- CN105133578B CN105133578B CN201510460706.0A CN201510460706A CN105133578B CN 105133578 B CN105133578 B CN 105133578B CN 201510460706 A CN201510460706 A CN 201510460706A CN 105133578 B CN105133578 B CN 105133578B
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Abstract
The invention discloses a composite material grid structure and reinforcement concrete combined pile and a construction method thereof. The pile comprises a concrete pile body and N layers of composite material reinforced bodies arranged in the concrete pile body, wherein N is larger than or equal to 1. Each layer of composite material reinforced body comprises a longitudinal main rib, a transverse main rib and an inclined web rib. The longitudinal main ribs are symmetrically arranged according to the shape of the section of the pile. The transverse main ribs are longitudinally arranged at intervals. The longitudinal main ribs and the transverse main ribs are vertically and fixedly connected, and the formed intersection points are connected through the inclined web ribs. The N layers of composite material reinforced bodies are concentrically arranged from inside to outside. The transverse main ribs on the every two adjacent composite material reinforced bodies are located on the same plane, the longitudinal main ribs on the every two adjacent composite material reinforced bodies are staggered, and the every two layers of composite material reinforced bodies are connected through the longitudinal web ribs and the transverse web ribs. Either prefabricating piling or site pouring can be selected for the construction method. The interlock capacity of the composite material reinforced bodies and the concrete is improved, the defect of stripping among materials in the use process of the composite material pile is overcome, rebars are replaced by composite materials, and the overall combined pile is resistant to corrosion.
Description
Technical field
The invention belongs to civil engineering ground field is and in particular to a kind of composite grid structure reinforced-concrete combines
Stake and its construction method.
Background technology
Pile foundation in ocean engineering, its effect is not only support superstructure, the floating support to structure for the sea water also to be resisted
Power and seawater corrosion.Chinese patent cn101343870, discloses a kind of fiber-reinforced composite material rib concrete pile and its making
And construction method, can be used for the foundation stabilization in oceanic island reef rim border, but the temperature effects of different materials are different, composite wood
Material stake the phenomenon of storeroom stripping in use often, leads to pile body bearing capacity to decline (pando 2003).Therefore,
Increase the gmatjpdumamicss of Stiffened body and concrete, overcome the stripping between bi-material particularly significant.
Content of the invention
It is an object of the invention to provide a kind of composite grid structure reinforced-concrete built pile and its construction method,
Improve composite and be engaged ability between concrete, overcome composite material pile to use the problem peeled off between process in which materials.
The technical solution realizing the object of the invention is: a kind of composite grid structure reinforced-concrete built pile,
Including concrete-pile and the n-layer Stiffened body being arranged in concrete-pile, wherein n >=1, every layer of Stiffened body
Including lengthways main steel bar, horizontal cage bar and oblique abdomen muscle, some lengthways main steel bars are arranged symmetrically according to concrete-pile cross sectional shape, some
The horizontal cage bar of root along the longitudinally spaced setting of lengthways main steel bar, and vertical with lengthways main steel bar be connected, adjacent two horizontal cage bars and
Form curvilinear boundary quadrilateral, oblique abdomen muscle is arranged on the diagonal of described tetragon between connected two adjacent lengthways main steel bars
On.
When the number of plies of Stiffened body is more than 1 layer, also include longitudinal abdomen muscle and horizontal abdomen muscle, adjacent two layers are combined
Horizontal cage bar on material reinforcing body is generally aligned in the same plane, and the node of the adjacent two layers on same plane adopts horizontal abdomen muscle even
Connect；Lengthways main steel bar on adjacent two layers Stiffened body mutually staggers, the corresponding song of adjacent two layers Stiffened body
Lengthways main steel bar on the tetragon of side passes through longitudinal abdomen muscle interconnection.
The lengthways main steel bar quantity of described every layer of Stiffened body is even number root.
A kind of construction method of composite grid structure reinforced-concrete built pile, construction procedure is as follows:
Step 1, n single layer composite reinforcing body of making:
Single layer composite reinforcing body construction method is as follows:
Some lengthways main steel bars are arranged symmetrically according to concrete-pile cross sectional shape, and some horizontal cage bars are along lengthways main steel bar
Longitudinally spaced setting, and vertical with lengthways main steel bar be connected, two adjacent horizontal cage bars and connected adjacent two indulge
Form curvilinear boundary quadrilateral between cage bar, oblique abdomen muscle is arranged on the diagonal of described tetragon.
Step 2, by above-mentioned n single layer composite reinforcing body be in be sequentially arranged at intervals from inside to outside with one heart, adjacent two layers
Horizontal cage bar on Stiffened body is generally aligned in the same plane, and the node of the adjacent two layers on same plane adopts horizontal abdomen muscle
Connect；Lengthways main steel bar on adjacent two layers Stiffened body mutually staggers, and adjacent two layers Stiffened body is corresponding
Lengthways main steel bar on curvilinear boundary quadrilateral passes through longitudinal abdomen muscle interconnection.
Step 3, prefabricated squeeze into or in-site pouring composite grid structure adds is selected according to engineering characteristic and site condition
Reinforced concrete built pile；
Step 4, chisel pile crown, monitor pile quality；
Step 5, composite grid structure reinforced-concrete built pile and superstructure are connected.
In described step 3, prefabricated squeeze into composite grid structure reinforced-concrete built pile, step is as follows:
Step 3-1, the n-layer Stiffened body in step 2 is fixed in mould；
Step 3-2, in mould casting concrete；
Step 3-3, maintenance is carried out to concrete so as to molding, obtain double composite grid structure reinforced-concrete groups
Close stake；
Step 3-4, above-mentioned composite grid structure reinforced-concrete built pile is transported to scene, and lifted；
Step 3-5, static pressure or hammer piling.
In described step 3-5, during static pressure pile-sinking, the setting in composite grid structure reinforced-concrete built pile bottom is joined
The prefabricated shoe of set.
In described step 3-5, during hammer piling, join in the setting of composite grid structure reinforced-concrete built pile stake top
The protective cap of set, the supporting prefabricated shoe of bottom setting.
In described step 3, cast in situs composite grid structure reinforced-concrete built pile, step is as follows:
Step a, n-layer Stiffened body is transported to scene；
Step b, design stake position at pass through mud off or full-sleeve method pore-forming；
Step c, borehole cleaning；
Step d, lifting n-layer Stiffened body；
Step e, hole will be put under n-layer Stiffened body, and fixing；
Step f, in the hole casting concrete；
Step g, maintenance molding.
Compared with prior art, its remarkable advantage is the present invention: (1) Stiffened body easy-formation, can be according to stake
It is various regular or irregularly shaped that cross sectional shape makes circular, square, annular (pile tube), x shape etc.；(2) Stiffened
Body material selection lightweight, high-strength, the corrosion-resistant, carbon fiber of high tensile performance or basalt fiber composite material, so that compound
Material grid structure reinforced-concrete built pile is integrally anticorrosive；(3) lengthways main steel bar length direction is overlapped with material fiber direction,
Laterally cage bar ring is overlapped with material fiber direction, and abdomen muscle machine direction selects according to angle of inclination, gives full play to reinforcing body
Load-carrying properties；(4) Stiffened body adopts grid structure, improves the gmatjpdumamicss of Stiffened body and concrete,
Overcome composite material pile and use the problem peeled off between process in which materials.
Brief description
Fig. 1 is the structural representation of the composite grid structure reinforced-concrete built pile of the present invention.
Fig. 2 is that the composite grid structure reinforced-concrete of the present invention combines stake cross sectional shape schematic diagram, wherein schemes
A () is circular cross-section, figure (b) is square-section, and figure (c) is ring section, and figure (d) is x tee section.
Fig. 3 is that the cage bar of the Stiffened body of composite grid structure reinforced-concrete built pile of the present invention is fine
Dimension direction schematic diagram, wherein figure (a) are lengthways main steel bar machine direction schematic diagram, and figure (b) is horizontal cage bar machine direction schematic diagram.
Fig. 4 is that the Stiffened body structure of the composite grid structure reinforced-concrete built pile of the present invention is shown
It is intended to, wherein figure (a) is single layer composite reinforcing body structural representation, figure (b) is that n-layer Stiffened body structure is overlooked
Figure；Figure (c) is the sectional view of figure (b).
Fig. 5 be the present invention the supporting shoe of Prefabricated composite stake of composite grid structure reinforced-concrete built pile with
Protective cap structural representation.
Fig. 6 is composite grid structure reinforced-concrete built pile and the superstructure connection diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
In conjunction with Fig. 1 ~ Fig. 6, a kind of composite grid structure reinforced-concrete built pile, including concrete-pile 6 and setting
N-layer Stiffened body in concrete-pile 6, wherein n >=1, every layer of Stiffened body includes lengthways main steel bar 1, horizontal stroke
To cage bar 2 and oblique abdomen muscle 3, some lengthways main steel bars 1 are arranged symmetrically according to concrete-pile cross sectional shape, some horizontal cage bars 2
Along the longitudinally spaced setting of lengthways main steel bar 1, and vertical with lengthways main steel bar 1 be connected, two adjacent horizontal cage bars 2 and connected
Adjacent two piece lengthways main steel bar 1 between form curvilinear boundary quadrilateral, oblique abdomen muscle 3 is arranged on the diagonal of described tetragon.
When the number of plies of Stiffened body is more than 1 layer, also include longitudinal abdomen muscle 4 and horizontal abdomen muscle 5, adjacent two layers are multiple
Horizontal cage bar 2 on condensation material reinforcing body is generally aligned in the same plane, and the node of the adjacent two layers on same plane adopts horizontal abdomen muscle 5
Connect.Lengthways main steel bar 1 on adjacent two layers Stiffened body mutually staggers, and adjacent two layers Stiffened body is corresponding
Lengthways main steel bar 1 on curvilinear boundary quadrilateral passes through longitudinal abdomen muscle 4 interconnection.
Lengthways main steel bar 1 quantity of described every layer of Stiffened body is even number root.
In conjunction with Fig. 3, when pile foundation is based on Anti-pull-press, machine direction is partial to ring, and when based on supporting, machine direction is partial to axle
To.Therefore the length direction of series composite material cage bar 1 is overlapped (as shown in Fig. 3 (a)) with the machine direction of axial direction, horizontal cage bar 2
Ring overlap (as shown in Figure 3 (b)) with material fiber direction.It is threaded in composite cage bar.
A kind of construction method of composite grid structure reinforced-concrete built pile, construction procedure is as follows:
Step 1, n single layer composite reinforcing body of making, single layer composite reinforcing body construction method is as follows:
Some lengthways main steel bars 1 are arranged symmetrically according to concrete-pile cross sectional shape, and some horizontal cage bars 2 are along lengthways main steel bar
1 longitudinally spaced setting, and vertical with lengthways main steel bar 1 be connected, two adjacent horizontal cage bars 2 and connected adjacent two
Form curvilinear boundary quadrilateral, oblique abdomen muscle 3 is arranged on the diagonal of described tetragon between root lengthways main steel bar 1.
Step 2, by above-mentioned n single layer composite reinforcing body be in be sequentially arranged at intervals from inside to outside with one heart, adjacent two layers
Horizontal cage bar 2 on Stiffened body is generally aligned in the same plane, and the node of the adjacent two layers on same plane adopts horizontal abdomen
Muscle 5 connects, and described node is the junction point of horizontal cage bar 2 and lengthways main steel bar 1.Longitudinal direction on adjacent two layers Stiffened body
Cage bar 1 mutually staggers, passing through longitudinally positioned at lengthways main steel bar 1 on the corresponding curvilinear boundary quadrilateral of adjacent two layers Stiffened body
Abdomen muscle 4 interconnection.
Step 3, prefabricated squeeze into or in-site pouring composite grid structure adds is selected according to engineering characteristic and site condition
Reinforced concrete built pile.
Step 4, chisel pile crown, monitor pile quality.
Step 5, composite grid structure reinforced-concrete built pile and superstructure (14) are connected.
In described step 3, prefabricated squeeze into composite grid structure reinforced-concrete built pile, step is as follows:
Step 3-1, the n-layer Stiffened body in step 2 is fixed in mould；
Step 3-2, in mould casting concrete；
Step 3-3, maintenance is carried out to concrete so as to molding, obtain double composite grid structure reinforced-concrete groups
Close stake；
Step 3-4, above-mentioned composite grid structure reinforced-concrete built pile is transported to scene, and lifted；
Step 3-5, static pressure or hammer piling.
In described step 3-5, during static pressure pile-sinking, the setting in composite grid structure reinforced-concrete built pile bottom is joined
The prefabricated shoe (12) of set.
In described step 3-5, during hammer piling, join in the setting of composite grid structure reinforced-concrete built pile stake top
The protective cap (13) of set, the supporting prefabricated shoe (12) of bottom setting.
In described step 3, cast in situs composite grid structure reinforced-concrete built pile, step is as follows:
Step a, n-layer Stiffened body is transported to scene；
Step b, design stake position at pass through mud off or full-sleeve method pore-forming；
Step c, borehole cleaning；
Step d, lifting n-layer Stiffened body；
Step e, hole will be put under n-layer Stiffened body, and fixing；
Step f, in the hole casting concrete；
Step g, maintenance molding.
Embodiment 1
Taking circular cross-section as a example:
In conjunction with Fig. 1 and Fig. 2 (a), a kind of composite grid structure reinforced-concrete built pile, including concrete-pile 6 He
It is arranged on 2 layers of Stiffened body in concrete-pile 6, every layer of Stiffened body includes lengthways main steel bar 1, horizontal cage bar
2 and 3,8 lengthways main steel bars 1 of oblique abdomen muscle be arranged symmetrically on concrete-pile section, 15 horizontal cage bars 2 are vertical along lengthways main steel bar 1
To interval setting, and colligation vertical with lengthways main steel bar 1 is connected, and 8 lengthways main steel bars 1 are bound round into an entirety, adjacent two horizontal strokes
To forming curvilinear boundary quadrilateral between cage bar 2 and connected two adjacent lengthways main steel bars 1, oblique abdomen muscle 3 is arranged on described four
On the diagonal of side shape.
In conjunction with Fig. 4, also include longitudinal abdomen muscle 4 and horizontal abdomen muscle 5, the horizontal cage bar on adjacent two layers Stiffened body
2 are generally aligned in the same plane, and the node of the adjacent two layers on same plane is connected using horizontal abdomen muscle 5.Adjacent two layers composite adds
Lengthways main steel bar 1 on muscle body mutually staggers, the lengthways main steel bar 1 on the corresponding curvilinear boundary quadrilateral of adjacent two layers Stiffened body
By the interconnection of longitudinal abdomen muscle 4.
In conjunction with Fig. 3, when pile foundation is based on Anti-pull-press, machine direction is partial to ring, and when based on supporting, machine direction is partial to axle
To.Therefore the length direction of series composite material cage bar 1 is overlapped (as shown in Fig. 3 (a)) with the machine direction of axial direction, horizontal cage bar 2
Ring overlap (as shown in Figure 3 (b)) with material fiber direction.It is threaded in composite cage bar.
A kind of construction method of composite grid structure reinforced-concrete built pile, construction procedure is as follows:
Step 1,2 single layer composite reinforcing bodies of making, single layer composite reinforcing body construction method is as follows:
8 lengthways main steel bars 1 are arranged symmetrically on concrete-pile section, and 15 horizontal cage bars 2 are along between the longitudinal direction of lengthways main steel bar 1
Every setting, and vertical with lengthways main steel bar 1 be connected, 8 lengthways main steel bars 1 are bound round into an entirety, adjacent two horizontal cage bar 2 Hes
Form curvilinear boundary quadrilateral, oblique abdomen muscle 3 is arranged on the diagonal of described tetragon between connected two adjacent lengthways main steel bars 1
On line.
Step 2, above-mentioned 2 single layer composite reinforcing bodies are spaced from inside to outside in concentric circular, adjacent two layers are multiple
Horizontal cage bar 2 on condensation material reinforcing body is generally aligned in the same plane, and the node of the adjacent two layers on same plane adopts horizontal abdomen muscle 5
Connect.Lengthways main steel bar 1 on adjacent two layers Stiffened body mutually staggers, and adjacent two layers Stiffened body is corresponding
Lengthways main steel bar 1 on curvilinear boundary quadrilateral passes through longitudinal abdomen muscle 4 interconnection.
Step 3, in-site pouring composite grid structure reinforced-concrete group is selected according to engineering characteristic and site condition
Close stake.
Step 4, chisel pile crown, monitor pile quality.
Step 5, composite grid structure reinforced-concrete built pile and superstructure (14) are connected.
Cast in situs composite grid structure reinforced-concrete built pile, step is as follows:
Step a, 2 layers of Stiffened body are transported to scene；
Step b, design stake position at pass through mud off or full-sleeve method pore-forming；
Step c, borehole cleaning；
Step d, 2 layers of Stiffened body of lifting；
Step e, hole will be put under 2 layers of Stiffened body, and fixing；
Step f, in the hole casting concrete；
Step g, maintenance molding.
Embodiment 2
Taking x tee section as a example
In conjunction with Fig. 1 and Fig. 2 (b), a kind of composite grid structure reinforced-concrete built pile, including concrete-pile 6 He
It is arranged on 2 layers of Stiffened body in concrete-pile 6, every layer of Stiffened body includes lengthways main steel bar 1, horizontal cage bar
2 and 3,8 lengthways main steel bars 1 of oblique abdomen muscle be arranged symmetrically on concrete-pile section according to concrete-pile cross sectional shape, 20 are laterally
Cage bar 2 is along the longitudinally spaced setting of lengthways main steel bar 1, and be connected (lengthways main steel bar, horizontal cage bar and oblique abdomen vertical with lengthways main steel bar 1
Muscle is integrally formed), 8 lengthways main steel bars 1 are bound round into an entirety, two adjacent horizontal cage bars 2 and connected adjacent
Form curvilinear boundary quadrilateral, oblique abdomen muscle 3 is arranged on the diagonal of described tetragon between two lengthways main steel bars 1.
Also include longitudinal abdomen muscle 4 and horizontal abdomen muscle 5, the horizontal cage bar 2 on adjacent two layers Stiffened body is located at same
One plane, the node of the adjacent two layers on same plane is connected using horizontal abdomen muscle 5.On adjacent two layers Stiffened body
Lengthways main steel bar 1 mutually staggers, and the lengthways main steel bar 1 on the corresponding curvilinear boundary quadrilateral of adjacent two layers Stiffened body passes through longitudinally
Abdomen muscle 4 interconnection.
In conjunction with Fig. 3, when pile foundation is based on Anti-pull-press, machine direction is partial to ring, and when based on supporting, machine direction is partial to axle
To.Therefore the length direction of series composite material cage bar 1 is overlapped (as shown in Fig. 3 (a)) with the machine direction of axial direction, horizontal cage bar 2
Ring overlap (as shown in Figure 3 (b)) with material fiber direction.It is threaded in composite cage bar.
A kind of construction method of composite grid structure reinforced-concrete built pile, construction procedure is as follows:
Step 1,2 single layer composite reinforcing bodies of making, single layer composite reinforcing body construction method is as follows:
8 lengthways main steel bars 1 are arranged symmetrically on concrete-pile section according to concrete-pile cross sectional shape, 20 horizontal cage bars
2 along lengthways main steel bar 1 longitudinally spaced setting, and vertical with lengthways main steel bar 1 be connected, two adjacent horizontal cage bars 2 and with it even
Form curvilinear boundary quadrilateral, oblique abdomen muscle 3 is arranged on the diagonal of described tetragon between the adjacent two piece lengthways main steel bar 1 connecing.
Step 2, above-mentioned 2 single layer composite reinforcing bodies are spaced from inside to outside in concentric circular, adjacent two layers are multiple
Horizontal cage bar 2 on condensation material reinforcing body is generally aligned in the same plane, and the node of the adjacent two layers on same plane adopts horizontal abdomen muscle 5
Connect.Lengthways main steel bar 1 on adjacent two layers Stiffened body mutually staggers, and adjacent two layers Stiffened body is corresponding
Lengthways main steel bar 1 on curvilinear boundary quadrilateral passes through longitudinal abdomen muscle 4 interconnection.
Step 3, select prefabricated to squeeze into composite grid structure reinforced-concrete group according to engineering characteristic and site condition
Close stake.
Step 4, chisel pile crown, monitor pile quality.
Step 5, composite grid structure reinforced-concrete built pile and superstructure (14) are connected.
In described step 3, prefabricated squeeze into composite grid structure reinforced-concrete built pile, step is as follows:
Step 3-1,2 layers of Stiffened body in step 2 are fixed in mould；
Step 3-2, in mould casting concrete；
Step 3-3, maintenance is carried out to concrete so as to molding, obtain double composite grid structure reinforced-concrete groups
Close stake；
Step 3-4, above-mentioned composite grid structure reinforced-concrete built pile is transported to scene, and lifted；
Step 3-5, hammer piling.
During hammer piling, in the protective cap that the setting of composite grid structure reinforced-concrete built pile stake top is supporting
(13), the supporting prefabricated shoe (12) of bottom setting.
It is an advantage of the current invention that: Stiffened body easy-formation, circular, side can be made according to stake cross sectional shape
Shape, annular (pile tube), x shape etc. are various regular or irregularly shaped.Stiffened body material selection lightweight, high-strength, corrosion resistant
Erosion, the carbon fiber of high tensile performance or basalt fiber composite material, so that composite grid structure reinforced-concrete group
Close stake integrally anticorrosive.Lengthways main steel bar length direction is overlapped with material fiber direction, horizontal cage bar ring and material fiber direction
Overlap, abdomen muscle machine direction selects according to angle of inclination, gives full play to the load-carrying properties of reinforcing body.Stiffened body adopts
Grid structure, improves the gmatjpdumamicss of Stiffened body and concrete, overcomes composite material pile and uses process in which materials
Between peel off problem.
Claims (3)
1. a kind of composite grid structure reinforced-concrete built pile it is characterised in that: include concrete-pile (6) and be arranged on
N-layer Stiffened body in concrete-pile (6), wherein n >=2, every layer of Stiffened body include lengthways main steel bar (1),
Laterally cage bar (2) and oblique abdomen muscle (3), some lengthways main steel bars (1) are arranged symmetrically according to concrete-pile cross sectional shape, some horizontal strokes
To cage bar (2) along the longitudinally spaced setting of lengthways main steel bar (1), and vertical with lengthways main steel bar (1) be connected, laterally lead for adjacent two
Form curvilinear boundary quadrilateral, oblique abdomen muscle (3) is arranged on described between muscle (2) and connected two adjacent lengthways main steel bars (1)
On the diagonal of tetragon；
Horizontal cage bar (2) on adjacent two layers Stiffened body is generally aligned in the same plane, the adjacent two layers on same plane
Node adopts horizontal abdomen muscle (5) to connect；Lengthways main steel bar (1) on adjacent two layers Stiffened body mutually staggers, and adjacent two
Lengthways main steel bar (1) on the layer corresponding curvilinear boundary quadrilateral of Stiffened body passes through longitudinal abdomen muscle (4) interconnection；Every layer adds
Muscle body lengthways main steel bar (1) and horizontal cage bar (2) number are equal；Lengthways main steel bar length direction is overlapped with material fiber direction, laterally
Cage bar ring is overlapped with material fiber direction, and abdomen muscle machine direction selects according to angle of inclination, gives full play to the carrying of reinforcing body
Performance.
2. composite grid structure reinforced-concrete built pile according to claim 1 it is characterised in that: described every layer
Lengthways main steel bar (1) quantity of Stiffened body is even number root.
3. the construction method based on the composite grid structure reinforced-concrete built pile described in claim 1, its feature exists
In construction procedure is as follows:
Step 1, n single layer composite reinforcing body of making, every layer of Stiffened body manufacture method is as follows:
Some lengthways main steel bars are arranged symmetrically according to concrete-pile cross sectional shape, and some horizontal cage bars are along the longitudinal direction of lengthways main steel bar
Interval setting, and vertical with lengthways main steel bar be connected, two adjacent horizontal cage bars and connected adjacent two longitudinally main
Form curvilinear boundary quadrilateral, oblique abdomen muscle is arranged on the diagonal of described tetragon, forms reinforcing body sheet material between muscle；According to section
Shape, size and reinforcement body position, Stiffened body sheet material hoop is become required form and size；
Step 2, above-mentioned n single layer composite reinforcing body is in be sequentially arranged at intervals from inside to outside with one heart, adjacent two layers are compound
Horizontal cage bar (2) on material reinforcing body is generally aligned in the same plane, and the node of the adjacent two layers on same plane adopts horizontal abdomen muscle
(5) connect；Lengthways main steel bar (1) on adjacent two layers Stiffened body mutually staggers, adjacent two layers Stiffened body
Lengthways main steel bar (1) on corresponding curvilinear boundary quadrilateral passes through longitudinal abdomen muscle (4) interconnection, every layer of reinforcing body lengthways main steel bar (1)
Equal with horizontal cage bar (2) number；
Step 3, prefabricated squeeze into or in-site pouring composite grid structure reinforcement mixes is selected according to engineering characteristic and site condition
Solidifying soil built pile, from prefabricated squeeze into composite grid structure reinforced-concrete built pile when, step is as follows:
Step 3-1, the n-layer Stiffened body in step 2 is fixed in mould；
Step 3-2, in mould casting concrete；
Step 3-3, maintenance is carried out to concrete so as to molding, obtain composite grid structure reinforced-concrete built pile；
Step 3-4, above-mentioned composite grid structure reinforced-concrete built pile is transported to scene, and lifted；
Step 3-5, static pressure or hammer piling, the supporting prefabricated shoe (12) of stake bottom setting；
During hammer piling, in the protective cap (13) that the setting of composite grid structure reinforced-concrete built pile stake top is supporting；
Cast in situs composite grid structure reinforced-concrete built pile, step is as follows:
Step a, n-layer Stiffened body is transported to scene；
Step b, design stake position at pass through mud off or full-sleeve method pore-forming；
Step c, borehole cleaning；
Step d, lifting n-layer Stiffened body；
Step e, hole will be put under n-layer Stiffened body, and fixing；
Step f, in the hole casting concrete；
Step g, maintenance molding；
Step 4, chisel pile crown, monitor pile quality；
Step 5, composite grid structure reinforced-concrete built pile and superstructure (14) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460706.0A CN105133578B (en) | 2015-07-30 | 2015-07-30 | Composite material grid structure and reinforcement concrete combined pile and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460706.0A CN105133578B (en) | 2015-07-30 | 2015-07-30 | Composite material grid structure and reinforcement concrete combined pile and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105133578A CN105133578A (en) | 2015-12-09 |
| CN105133578B true CN105133578B (en) | 2017-02-01 |
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| CN201510460706.0A Active CN105133578B (en) | 2015-07-30 | 2015-07-30 | Composite material grid structure and reinforcement concrete combined pile and construction method thereof |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6244014B1 (en) * | 1999-07-22 | 2001-06-12 | Andrew Barmakian | Steel rod-reinforced plastic piling |
| CN101343870A (en) * | 2008-08-22 | 2009-01-14 | 北京航空航天大学 | Fiber-reinforced composite material rib concrete pile and its production and construction method |
| CN102061701A (en) * | 2010-12-20 | 2011-05-18 | 福建省电力勘测设计院 | Construction method for installing vertical grounding electrode by punching and pouring pile |
| CN202543902U (en) * | 2012-04-28 | 2012-11-21 | 从卫民 | Uplift pile framework cage provided with reinforced plastic rods |
| CN204282352U (en) * | 2014-12-09 | 2015-04-22 | 江西中泰来混凝土管桩有限公司 | Pretensioned spun concrete piles |
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