CN108560405A - The construction method of assembled column, assembled bridge pier and assembled bridge pier - Google Patents
The construction method of assembled column, assembled bridge pier and assembled bridge pier Download PDFInfo
- Publication number
- CN108560405A CN108560405A CN201810785965.4A CN201810785965A CN108560405A CN 108560405 A CN108560405 A CN 108560405A CN 201810785965 A CN201810785965 A CN 201810785965A CN 108560405 A CN108560405 A CN 108560405A
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- Prior art keywords
- column
- assembled
- spiral
- cushion cap
- column segment
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
This application discloses the construction methods of a kind of assembled column, assembled bridge pier and assembled bridge pier, wherein assembled column includes：Multiple column segments are embedded with multiple spirals in each column segment, splice assembly between column segment, and the position that the splicing position of each two adjacent column segment corresponds to spiral is provided with operation slot；The spiral of screw steel bar connector, each two adjacent column segment is spliced by screw steel bar connector, and screw steel bar connector is contained in operation slot.Spiral, the screw steel bar connector of the assembled column are standardized product, it is not required to special equipment and customization is processed, simplify construction, reduce construction cost, and using mechanical connection, after the completion of bent cap assembly, subsequent construction can be carried out on column without being in the milk to wait for, shortens the construction period.
Description
Technical field
The present invention relates to technical field of bridge construction, more particularly to a kind of assembled column.The invention further relates to a kind of packets
The construction method of assembled bridge pier and assembled bridge pier containing the assembled column.
Background technology
Prefabricated assembled bridge owner will include precast assembly girder and precast assembly bridge pier.Recently as engineering knot
Under the industrialized overall situation of the acceleration of structure process of industrialization, especially domestic construction, promotes bridge pier precast assembly technology and comply with the epoch
Development.Assembled bridge pier is at home and abroad gradually widely applied in the substructure of bridge spanning the sea access bridge, urban viaduct etc.,
And it is expected to the bridge pier structure form as a kind of mainstream.
Assembled bridge pier is exactly that cast-in-place cushion cap and " batch production " prefabricated column segment are used certain connection type
It is assembled, one of core technology is between cushion cap and column, being reliably connected between column segment.Existing unit construction bridge
There are mainly two types of the connection types of pier, the first is that setting sleeve or reserving hole channel, reinforcing bar are passed through in column segment and cushion cap
In sleeve or reserving hole channel, column segment carries out grouting with the reinforcing bar in cushion cap and connects in sleeve or reserving hole channel；Second
Kind is between cushion cap and column, and column is attached between segment by steel pipe sleeve, steel pile casting etc..Although these are connected
Mode can realize effective connection.But the first grouting-type connection type, junction needs live grouting construction, high to construction requirement,
There is also the uncertain factors such as not full of being in the milk, and must etc. slurry intensities reach and can carry out subsequent construction after requirement, the duration compared with
It is long.The mode that the columns such as second setting steel pipe sleeve, steel pile casting are attached needs additional processing steel pipe sleeve, steel shield
Cylinder etc., processing and installation are complicated, and cost is higher.
In conclusion how to solve the problems, such as that Bridge Pier Construction cost is high, long in time limit, become those skilled in the art urgently
It solves the problems, such as.
Invention content
In view of this, the purpose of the present invention is to provide a kind of assembled column, to reduce construction cost, shorten construction work
Phase.
It is another object of the present invention to provide a kind of assembled bridge piers including the assembled column, to reduce construction
Cost shortens the construction period.
A further object of the present invention is to provide a kind of construction method of assembled bridge pier, to reduce construction cost, contracting
The short construction period.
In order to achieve the above objectives, the present invention provides following technical scheme：
A kind of assembled column, including：
Multiple column segments are each axially embedded with multiple spirals, the column in the column segment along it
Splice assembly between segment, the splicing position of each two adjacent column segment corresponds to the position setting of the spiral
There is operation slot；
The spiral of screw steel bar connector, each two adjacent column segment passes through the spiral
Connector splices, and the screw steel bar connector is contained in the operation slot.
Preferably, it in above-mentioned assembled column, after the column segment splicing assembly, is filled in the operation slot
There is concrete.
Preferably, in above-mentioned assembled column, the structural strength grade for the concrete filled in the operation slot
Higher than the structural strength grade of the concrete of the column segment.
Preferably, in above-mentioned assembled column, it is arranged between the splice ends of each two adjacent column segment
There is epoxy glue layer.
Preferably, in above-mentioned assembled column, the lower part splice ends of each column segment are provided with the behaviour
Make slot, the lower end of the spiral is located in the operation slot, and the lower face of the spiral and the column
There is evacuation spacing between the end face of the lower part splice ends of segment, the upper of the column segment is stretched out in the upper end of the spiral
The end face of portion's splice ends, and the length that the upper end of the spiral is stretched out is less than or equal to the evacuation spacing, the operation
The axial length of slot is more than the length of the screw steel bar connector.
Preferably, in above-mentioned assembled column, the axial length of the operation slot is greater than or equal to the screw thread
1.5 times of length of reinforcing bar connector.
Preferably, in above-mentioned assembled column, the top splice ends of each column segment are provided with the behaviour
Make slot, the upper end of the spiral is located in the operation slot, and the upper surface of the spiral and the column
There is evacuation spacing between the end face of the top splice ends of segment, the lower end of the spiral is stretched out under the column segment
The end face of portion's splice ends, and the length that the lower end of the spiral is stretched out is less than or equal to the evacuation spacing, the operation
The axial length of slot is more than the length of the screw steel bar connector.
Preferably, in above-mentioned assembled column, the axial length of the operation slot is greater than or equal to the screw thread
1.5 times of length of reinforcing bar connector.
Preferably, in above-mentioned assembled column, each each splice ends of the column segment are both provided with described
Slot is operated, the end of the spiral is located in the operation slot, the end of the spiral and the column
The end face of the splice ends of segment is concordant, and the axial length of the operation slot is greater than or equal to the length of the screw steel bar connector
Degree.
Preferably, in above-mentioned assembled column, the spiral arranges one close to the edge of the column segment
Week.
The present invention also provides a kind of assembled bridge pier, including cushion cap and column, multiple cushion caps are embedded in the cushion cap
Spiral, the column are the assembled column as described in any of the above item, the lower thread reinforcing bar of the assembled column
It is connected one to one by screw steel bar connector with the cushion cap spiral of the cushion cap.
Preferably, in above-mentioned assembled bridge pier, the lower thread reinforcing bar of the assembled column is located at the assembly
In the operation slot of the lower end of formula column, and the lower face of the lower thread reinforcing bar of the assembled column and the assembled are vertical
There is evacuation spacing between the lower face of column, the cushion cap spiral stretches out the upper surface of the cushion cap, and the cushion cap spiral shell
The extension elongation of line reinforcing bar is less than or equal to the evacuation spacing.
Preferably, in above-mentioned assembled bridge pier, the lower thread reinforcing bar of the assembled column stretches out the assembly
The lower face of formula column, the position that the upper end of the cushion cap corresponds to the cushion cap spiral is provided with operation slot, described to hold
The upper end of platform spiral is located in the operation slot, and the upper end of the upper surface and the cushion cap of the cushion cap spiral
There is evacuation spacing between face, the extension elongation of the spiral is less than or equal to the evacuation spacing.
Preferably, in above-mentioned assembled bridge pier, the lower thread reinforcing bar of the assembled column is located at the assembly
In the operation slot of the lower end of formula column, and the lower face of the lower thread reinforcing bar of the assembled column and the assembled are vertical
The lower face of column is concordant, and the position that the upper end of the cushion cap corresponds to cushion cap spiral is provided with the operation slot, described to hold
The upper surface of platform spiral is concordant with the upper surface of the cushion cap.
Preferably, in above-mentioned assembled bridge pier, the upper surface of the lower face and the cushion cap of the assembled column
Between be provided with epoxy glue layer.
Preferably, in above-mentioned assembled bridge pier, after the assembled column splices with the cushion cap, the operating groove
Concrete is filled in hole.
Preferably, in above-mentioned assembled bridge pier, the structural strength grade for the concrete filled in the operation slot
Higher than the structural strength grade of the assembled column and the concrete of the cushion cap.
The present invention also provides a kind of construction method of assembled bridge pier, step includes：
S100, by a column segment lifting on the cushion cap, the spiral of the column segment and the cushion cap
Cushion cap spiral is spliced by screw steel bar connector in operating slot correspondingly；
Remaining column segment is lifted successively above S200, the column segment in the step S100, and is passed through
The spiral of screw steel bar connector connection each two adjacent upright posts segment in the operation slot of column segment, until completing
The splicing of assembled bridge pier.
Preferably, further include step S300 after the step S200 in the construction method of above-mentioned assembled bridge pier：
The operation slot clog using the high concrete of the concrete structural strength grade than column segment smooth.
Preferably, in the construction method of above-mentioned assembled bridge pier, in the step S100, in the column segment
Before being spliced with the cushion cap, first the splice ends in cushion cap and/or column segment smear epoxy glue layer；
In the step S200, before two neighboring column segment is spliced, first in each two adjacent upright posts section
The splice ends of one or two of section column segment smear epoxy glue layer.
Compared with prior art, the beneficial effects of the invention are as follows：
Assembled column provided by the invention includes multiple column segments, is axially embedded with along it in each column segment
Multiple spirals splice assembly between column segment, and the splicing position of each two adjacent column segment corresponds to spiral
Position be provided with operation slot；The spiral of each two adjacent column segment is spliced by screw steel bar connector, and
Screw steel bar connector is contained in handle hole.The assembled column is spliced by multiple column segments, and passes through screw-thread steel
The dress of pier column can be completed in the spiral being directly connected in two neighboring column segment in operating slot for muscle connector
Match, compared with existing use grouting-type connection type, does not need live grouting, follow-up work can be carried out without waiting, contract
The short construction period.It, need not be additional compared with the mode that the columns such as existing setting steel pipe sleeve, steel pile casting are attached
Steel pipe sleeve, steel pile casting etc. are processed, spiral, screw steel bar connector used in column segment are standardized product, no
It needs special equipment and customization to process, simplifies construction, reduce construction cost.
Assembled bridge pier provided by the invention uses the assembled column in the present invention, therefore, having the same beneficial
Effect, details are not described herein.
In the construction method of assembled assembled bridge pier provided by the invention, using the column segment in the present invention, first will
One column segment corresponds to be lifted on cushion cap and realize by screw steel bar connector and connect；Again on first column segment
Lift remaining column segment successively, and it is adjacent to connect in the operation slot of column segment by screw steel bar connector each two
The spiral of column segment, until completing the splicing of assembled bridge pier.Compared with prior art, construction cost is reduced, is contracted
The short construction period.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of axial sectional diagrammatical view illustration of the column segment of assembled column provided in an embodiment of the present invention；
Fig. 2 is a kind of end structure illustration of the splice ends of column segment provided in an embodiment of the present invention；
Fig. 3 is structural representation when a kind of column segment of assembled bridge pier provided in an embodiment of the present invention is lifted with cushion cap
Figure；
Fig. 4 is a kind of column segment provided in an embodiment of the present invention and cushion cap splicing construction schematic diagram；
Fig. 5 is the structural schematic diagram after the completion of assembled bridge pier assembly provided in an embodiment of the present invention.
Wherein, 1 it is spiral, 2 be column segment, 3 be operation slot, 4 be screw steel bar connector, 5 is cushion cap spiral shell
Line reinforcing bar, 6 be cushion cap, 7 be epoxy glue layer.
Specific implementation mode
Core of the invention reduces construction cost, shortens the construction period there is provided a kind of assembled column.
The present invention also provides a kind of assembled bridge piers including the assembled column, reduce construction cost, shorten
Construction period.
The present invention also provides a kind of construction methods of assembled bridge pier, reduce construction cost, shorten the construction period.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- Fig. 5 is please referred to Fig.1, an embodiment of the present invention provides a kind of assembled columns, including multiple column segments 2 and spiral shell
Line reinforcing bar connector 4, the quantity at least two of column segment 2, wherein be axially embedded with along it in each column segment 2
The quantity of multiple spirals 1, the spiral 1 in each column segment 2 is identical and position corresponds, column segment 2 it
Between splice assembly, the position that the splicing position of each two adjacent column segment 2 corresponds to spiral 1 is provided with and operates slot 3,
The end of spiral 1 is located in operation slot 3, and operation slot 3 is connected to outside；The spiral shell of each two adjacent column segment 2
Line reinforcing bar 1 is spliced by 4 screw thread of screw steel bar connector, and screw steel bar connector 4 is contained in operation slot 3, operating groove
The cross dimensions in hole 3 is slightly larger than the cross dimensions of screw steel bar connector 4, is operated with installation tool when providing assembled connect empty
Between.Each pair of spiral 1 being connected is connected by a screw steel bar connector 4.
The assembled column is spliced by multiple column segments 2, and by screw steel bar connector 4 in operation slot 3
In the spiral 1 that is directly connected in two neighboring column segment 2 assembly of column can be completed, use grouting-type with existing
Connection type is compared, and using mechanical connection, does not need live grouting, can be carried out follow-up work without waiting, be shortened construction
Duration.Compared with the mode that the columns such as existing setting steel pipe sleeve, steel pile casting are attached, additional processing steel pipe is not needed
Sleeve, steel pile casting etc., spiral 3, screw steel bar connector 4 are standardized product used in column segment 2, are not required to special
Equipment and customization are processed, and are simplified construction, are reduced construction cost.
In order to protect screw steel bar connector 4, it is avoided to be externally exposed, while screw steel bar connector 4 being avoided to loosen,
The corrosion resistance and endurance quality of junction are improved, in the present embodiment, after the splicing assembly of column segment 2, is operated in slot 3
Filled with concrete, to seal up for safekeeping screw steel bar connector 4 and the spiral 1 exposed in operating slot 3.
Further, in the present embodiment, the structural strength grade for operating the concrete filled in slot 3 is higher than column section
The structural strength grade of concrete used in section 2.More than a usual high grade, to further improve operation slot 3
In concrete structural strength, improve protective value.
In the present embodiment, it is provided with epoxy glue layer 7 between the splice ends of each two adjacent column segment 2.It is logical
It crosses epoxy glue layer 7 to be bonded the column segment 2 mutually spliced, further increases splicing intensity, while avoiding connecting portion
There is gap, protects internal structure.
As Figure 1-Figure 5, in the present embodiment, the lower part splice ends of each column segment 2 are provided with operation slot 3,
The lower end of spiral 1 is located in operation slot 3, and the end of the lower face of spiral 1 and the lower part splice ends of column segment 2
There is evacuation spacing between face, the end face of the top splice ends of column segment 2, and spiral 1 are stretched out in the upper end of spiral 1
Upper end stretch out length be less than or equal to evacuation spacing, operation slot 3 axial length be more than screw steel bar connector 4 length
Degree.
So set, when two neighboring column segment 2 is spliced, as shown in figure 5, under the column segment 2 being located above
After portion's splice ends are docked with the top splice ends of underlying column segment 2, the spiral shell of the top stretching of the column segment 2 of lower section
Line reinforcing bar 1 is inserted into the lower part operation slot 3 of the column segment 2 of top, since the length that spiral 1 stretches out is less than or equal to
Spacing is avoided, therefore, two spirals 1 are there is no interference, the spiral shell that can be docked to two by screw steel bar connector 4
Line reinforcing bar 1 is attached.
Further, in the present embodiment, the axial length of operation slot 3 is greater than or equal to screw steel bar connector 4
1.5 times of length.Before two column segments 2 are docked, screw steel bar connector 4 is fitted into advance in operation slot 3, and is all screwed in
It is after two column segments 2 are docked, the half of screw steel bar connector 4 is long on the spiral 1 of the column segment 2 of top
Degree is screwed on the spiral 1 of the stretching of the column segment 2 of lower section.It ensure that two neighboring column segment 2 was smoothly spliced
Meanwhile reducing the size of operation slot 3 as much as possible, to improve the overall construction intensity of column segment 2.
The structure type of another column segment 2 is present embodiments provided, it is different from the structure of the first column segment 2
The exchange of the structure of the column segment 2 in the present embodiment and the first about 2 pillar construction, i.e. the top of each column segment 2
Splice ends are provided with operation slot 3, and the upper end of spiral 1 is located in operation slot 3, and the upper surface of spiral 1 with it is vertical
There is evacuation spacing between the end face of the top splice ends of column segment 2, the lower part of column segment 2 is stretched out in the lower end of spiral 1
The end face of splice ends, and the length that the lower end of spiral 1 is stretched out is less than or equal to evacuation spacing, the axial direction of operation slot 3 is long
Length of the degree more than screw steel bar connector 4.
So set, when two neighboring column segment 2 is spliced, the lower part splice ends for the column segment 2 being located above with
After the top splice ends docking of underlying column segment 2, the spiral 1 that the lower part of the column segment 2 of top is stretched out is inserted
In the upper operating slot 3 for entering the column segment 2 of lower section, since the length that spiral 1 stretches out is less than or equal to evacuation spacing,
Therefore, two spirals 1 are there is no interference, can by the spiral 1 that screw steel bar connector 4 docks two into
Row connection.
Further, in the present embodiment, the axial length of operation slot 3 is greater than or equal to screw steel bar connector 4
The effect of 1.5 times of length, the structure is identical as the structure function of the first column segment 2, in order to ensure two neighboring column
While segment 2 is smoothly spliced, reduce the size of operation slot 3 as much as possible, it is strong with the overall structure for improving column segment 2
Degree..
The structure of the third column segment 2 is present embodiments provided, the first and second of column segment 2 are different from, this
Each splice ends of each column segment 2 in embodiment are both provided with operation slot 3, and the end of spiral 1 is located at operation
In slot 3, the end of spiral 1 is concordant with the end face of the splice ends of the column segment 2, and the axial length for operating slot 3 is big
In or equal to screw steel bar connector 4 length.That is, the both ends positioned at remaining the column segment 2 below of top upright post segment 2 are equal
It is provided with operation slot 3, the upper and lower ends of spiral 1 do not stretch out the end face of column segment 2.The 2 same energy of column segment
Enough spliced by screw steel bar connector 4.
As shown in Fig. 2, in the present embodiment, spiral 1 is arranged one week close to the edge of column segment 2, spiral 1
For finish rolling deformed bar, structural strength height.Finish rolling deformed bar commonly uses a diameter of 18mm, 25mm, 32mm, 40mm, of the invention
Connection method is all applicable in.The quantity of spiral 1 is decided according to the actual requirements, and does not limit herein.
As shown in Figure 3-Figure 5, it is based on assembled column described in any of the above embodiment, the embodiment of the present invention also provides
A kind of assembled bridge pier, including cushion cap 6 and column, wherein multiple cushion cap spirals 5 are embedded in cushion cap 6, column is such as
Assembled column described in any of the above embodiment, the lower thread reinforcing bar 1 of assembled column and the cushion cap screw-thread steel of cushion cap 6
Muscle 5 is connected one to one by screw steel bar connector 4.
The assembled bridge pier uses the assembled column in the present invention, since assembled column is by multiple column segments 2
It is spliced, and is directly connected in operating slot 3 screw thread in two neighboring column segment 2 by screw steel bar connector 4
Reinforcing bar 1 can be completed the assembly of pier column, and column segment 2 and cushion cap 6 are by screw steel bar connector 4 in operating slot 3
It is directly connected to spiral 1 and cushion cap spiral 5.Compared with existing use grouting-type connection type, live filling is not needed
Slurry, can carry out follow-up work, shorten the construction period without waiting.With the opposition such as existing setting steel pipe sleeve, steel pile casting
The mode that column is attached is compared, and additional processing steel pipe sleeve, steel pile casting etc., used spiral 1, cushion cap spiral shell are not needed
Line reinforcing bar 5 and screw steel bar connector 4 are standardized product, are not required to special equipment and customization is processed, simplify construction, reduce
Construction cost.
It present embodiments provides a kind of specific column segment 2 and the splicing construction of cushion cap 6 works as dress as shown in Figure 3-Figure 5
When column segment 2 with formula column is using the first column segment 2 above-mentioned, i.e. the lower thread reinforcing bar 1 of column segment 2
In the operation slot 3 of the lower end of column segment 2, and the lower face of the lower thread reinforcing bar 1 of assembled column and assembled
There is evacuation spacing between the lower face of column, then cushion cap spiral 5 stretches out the upper surface of cushion cap 6, and cushion cap spiral 5
Extension elongation be less than or equal to evacuation spacing.In such cases, screw steel bar connector 4 is installed on column segment 2 in advance
On spiral 1, and in operation slot 3, after column segment 2 is docked with cushion cap 6, by the half of screw steel bar connector 4
Length is screwed on cushion cap spiral 5.
The splicing construction for present embodiments providing second specific column segment 2 and cushion cap 6, when standing for assembled column
When column segment 2 is using second of column segment 2 above-mentioned, i.e., it is vertical to stretch out assembled for the lower thread reinforcing bar 1 of column segment 2
The lower face of column, then the upper end of cushion cap 6 correspond to cushion cap spiral 5 position be provided with operation slot 3, cushion cap spiral 5
Upper end be located at operation slot 3 in, and between the upper surface of cushion cap spiral 5 and the upper surface of cushion cap 6 exist evacuation spacing,
The extension elongation of spiral 1 is less than or equal to evacuation spacing.In such cases, screw steel bar connector 4 is installed on holds in advance
On the cushion cap spiral 5 of platform 6, and in the operation slot 3 of cushion cap 6, after column segment 2 is docked with cushion cap 6, by screw-thread steel
The half length of muscle connector 4 is screwed on the spiral 1 of column segment 2.Since the radial dimension of cushion cap 6 is more than column segment
2 radial dimension, therefore, the radial dimension for the operation slot 3 being arranged on cushion cap 6 accordingly increase, the operation slot on cushion cap 6
3 radially outward edge can extend to the peripheral surface of cushion cap 6, can also be located in cushion cap 6, as long as the diameter of operation slot 3 is outside
Edge is located at except the peripheral surface of column segment 2, is revolved to screw steel bar connector 4 in operating slot 3 with facilitating
It twists.
The splicing construction for present embodiments providing the third specific column segment 2 and cushion cap 6, when standing for assembled column
When column segment 2 is using the third column segment 2 above-mentioned, i.e., the lower thread reinforcing bar 1 of column segment 2 is located at column segment
In the operation slot 3 of 2 lower end, and the lower face of the lower face and assembled column of the lower thread reinforcing bar 1 of assembled column
Concordantly, then operation slot 3 is also equipped on cushion cap 6, and the upper surface of cushion cap spiral 5 is concordant with the upper surface of cushion cap 6.This
In the case of kind, screw steel bar connector 4 is previously installed on the spiral 1 of column segment 2 or on cushion cap spiral 5,
After docking, the half length of screw steel bar connector 4 is made to be screwed in respectively on spiral 1 and cushion cap spiral 5.Due to cushion cap
6 radial dimension is more than the radial dimension of column segment 2, therefore, the radial dimension phase for the operation slot 3 being arranged on cushion cap 6
It should increase, the radially outward edge of the operation slot 3 on cushion cap 6 can extend to the peripheral surface of cushion cap 6, can also be located at cushion cap 6
It is interior, as long as the radially outward edge of operation slot 3 is located at except the peripheral surface of column segment 2, to facilitate in operating slot 3
Screw steel bar connector 4 is screwed.
Further, in the present embodiment, it is provided with epoxy between the lower face of assembled column and the upper surface of cushion cap 6
The column segment 2 mutually spliced and cushion cap 6 are bonded by resin adhesive layer 7 by epoxy glue layer 7, and it is strong to further increase splicing
Degree, while connecting portion being avoided gap occur, protect internal structure.
In order to protect screw steel bar connector 4, it is avoided to be externally exposed, while screw steel bar connector 4 being avoided to loosen,
The corrosion resistance and endurance quality of junction are improved, in the present embodiment, behind column segment 2 and the splicing assembly of cushion cap 6, operation
Concrete is filled in slot 3, to seal screw steel bar connector 4 and the spiral 1 exposed and cushion cap spiral 5 up for safekeeping
In operating slot 3.
Further, in the present embodiment, the structural strength grade for operating the concrete filled in slot 3 is higher than column section
The structural strength grade of concrete used in section 2 and cushion cap 6.More than a usual high grade, to further improve behaviour
The structural strength for making the concrete in slot 3, improves protective value.
Based on assembled bridge pier described in any of the above embodiment, the embodiment of the present invention additionally provides a kind of unit construction bridge
The construction method of pier, includes the following steps：
Be prefabricated in the factory column segment 2, and after the transport to construction site of column segment 2, live cushion cap 6 has been constructed at this time
It completes, is constructed as follows later：
Step S100, as shown in figure 3, a column segment 2 is lifted on cushion cap 6, at this point, the lower end of column segment 2
Face is docked with the upper surface of cushion cap 6, and screw steel bar connector 4 is all screwed on a spiral 1 or cushion cap spiral 5.
Later, the rotary screwing thread reinforcing bar connector 4 in operating slot 3, the spiral 1 of the column segment 2 and the cushion cap screw thread of cushion cap 6
Reinforcing bar 5 is spliced by screw steel bar connector 4 in operating slot 3 correspondingly, as shown in Figure 4.
Step S200, as shown in figure 5,2 top of column segment in the step s 100 lifts remaining column segment successively
2, and pass through the screw thread of the connection each two adjacent upright posts segment 2 in the operation slot 3 of column segment 2 of screw steel bar connector 4
Reinforcing bar 1, until completing the splicing of assembled bridge pier.
Further, in the present embodiment, further include step S300 after step S200：Using than column segment 2
The high concrete of concrete structural strength grade will operate slot 3 clog it is smooth, it is more than general high level-one.No matter operating groove
Hole 3 is located on column segment 2 or cushion cap 6, carries out filling out envelope by concrete, it is avoided to be externally exposed, to improve connection
The corrosion resistance and endurance quality at place, while screw steel bar connector 4 being avoided to loosen.
Further, in the present embodiment, in the step s 100, before column segment 2 and cushion cap 6 are spliced,
First the splice ends in cushion cap 6 and/or column segment 2 smear epoxy glue layer 7；
In step s 200, before two neighboring column segment 2 is spliced, first in each two adjacent upright posts segment 2
One or two of column segment 2 splice ends smear epoxy glue layer 7.To mutually it be spliced by epoxy glue layer 7
Column segment 2 between and column segment 2 and cushion cap 6 be bonded, further increase splicing intensity, while connecting portion being avoided to go out
Existing gap, protects internal structure.
In the construction method of assembled assembled bridge pier provided by the invention, using the column segment in the present invention, first will
One column segment corresponds to be lifted on cushion cap and realize by screw steel bar connector and connect；Again on first column segment
Lift remaining column segment successively, and it is adjacent to connect in the operation slot of column segment by screw steel bar connector each two
The spiral of column segment, until completing the splicing of assembled bridge pier.Compared with prior art, construction cost is reduced, is contracted
The short construction period.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (20)
1. a kind of assembled column, which is characterized in that including：
Multiple column segments (2) are each axially embedded with multiple spirals (1) in the column segment (2) along it, described
Splice assembly between column segment (2), the splicing position of each two adjacent column segment (2) corresponds to the spiral
(1) position is provided with operation slot (3)；
The spiral (1) of screw steel bar connector (4), each two adjacent column segment (2) passes through the spiral shell
Line reinforcing bar connector (4) splices, and the screw steel bar connector (4) is contained in the operation slot (3).
2. assembled column according to claim 1, which is characterized in that described after column segment (2) the splicing assembly
It operates and is filled with concrete in slot (3).
3. assembled column according to claim 2, which is characterized in that the concrete filled in the operation slot (3)
Structural strength grade higher than the column segment (2) concrete structural strength grade.
4. assembled column according to claim 1, which is characterized in that each two adjacent column segment (2)
Epoxy glue layer (7) is provided between splice ends.
5. according to claim 1-4 any one of them assembled columns, which is characterized in that each column segment (2)
Lower part splice ends are provided with the operation slot (3), and the lower end of the spiral (1) is located in the operation slot (3), and
There is evacuation spacing, institute between the lower face of the spiral (1) and the end face of the lower part splice ends of the column segment (2)
State spiral (1) upper end stretch out the column segment (2) top splice ends end face, and the spiral (1)
The length that upper end is stretched out is less than or equal to the evacuation spacing, and the axial length of the operation slot (3) is more than the screw-thread steel
The length of muscle connector (4).
6. assembled column according to claim 5, which is characterized in that the axial length of the operation slot (3) is more than
Or 1.5 times of length equal to the screw steel bar connector (4).
7. according to claim 1-4 any one of them assembled columns, which is characterized in that each column segment (2)
Top splice ends are provided with the operation slot (3), and the upper end of the spiral (1) is located in the operation slot (3), and
There is evacuation spacing, institute between the upper surface of the spiral (1) and the end face of the top splice ends of the column segment (2)
State spiral (1) lower end stretch out the column segment (2) lower part splice ends end face, and the spiral (1)
The length that lower end is stretched out is less than or equal to the evacuation spacing, and the axial length of the operation slot (3) is more than the screw-thread steel
The length of muscle connector (4).
8. assembled column according to claim 7, which is characterized in that the axial length of the operation slot (3) is more than
Or 1.5 times of length equal to the screw steel bar connector (4).
9. according to claim 1-4 any one of them assembled columns, which is characterized in that each column segment (2)
Each splice ends are both provided with the operation slot (3), and the end of the spiral (1) is located in the operation slot (3),
The end of the spiral (1) is concordant with the end face of splice ends of column segment (2) described in this, the operation slot (3)
Axial length is greater than or equal to the length of the screw steel bar connector (4).
10. according to claim 1-4 any one of them assembled columns, which is characterized in that the spiral (1) is close to institute
The edge for stating column segment (2) is arranged one week.
11. a kind of assembled bridge pier, including cushion cap (6) and column, which is characterized in that be embedded with multiple hold in the cushion cap (6)
Platform spiral (5), the column are such as claim 1-10 any one of them assembled columns, the assembled column
Spiral described in lower end (1) is connected one to one with the cushion cap spiral (5) by screw steel bar connector (4).
12. assembled bridge pier according to claim 11, which is characterized in that screw thread described in the lower end of the assembled column
Reinforcing bar (1) is located in the operation slot (3) of the lower end of the assembled column, and screw thread described in the lower end of the assembled column
There is evacuation spacing between the lower face of reinforcing bar (1) and the lower face of the assembled column, the cushion cap spiral (5) is stretched
Go out the upper surface of the cushion cap (6), and the extension elongation of the cushion cap spiral (5) is less than or equal to the evacuation spacing.
13. assembled bridge pier according to claim 11, which is characterized in that screw thread described in the lower end of the assembled column
Reinforcing bar (1) stretches out the lower face of the assembled column, and the upper end of the cushion cap (6) corresponds to the cushion cap spiral (5)
Position is provided with operation slot (3), and it is interior that the upper end of the cushion cap spiral (5) is located at the operation slot (3), and described holds
There is evacuation spacing between the upper surface and the upper surface of the cushion cap (6) of platform spiral (5), the spiral (1)
Extension elongation is less than or equal to the evacuation spacing.
14. assembled bridge pier according to claim 11, which is characterized in that screw thread described in the lower end of the assembled column
Reinforcing bar (1) is located in the operation slot (3) of the lower end of the assembled column, and screw thread described in the lower end of the assembled column
The lower face of reinforcing bar (1) is concordant with the lower face of assembled column, and the upper end of the cushion cap (6) corresponds to cushion cap spiral
(5) position is provided with the operation slot (3), the upper end of the upper surface and the cushion cap (6) of the cushion cap spiral (5)
Face is concordant.
15. according to claim 11-14 any one of them assembled bridge piers, which is characterized in that under the assembled column
Epoxy glue layer (7) is provided between end face and the upper surface of the cushion cap (6).
16. according to claim 11-14 any one of them assembled bridge piers, which is characterized in that the assembled column and institute
After stating cushion cap (6) splicing, concrete is filled in the operation slot (3).
17. assembled bridge pier according to claim 16, which is characterized in that the coagulation filled in the operation slot (3)
Structural strength grade of the structural strength grade of soil higher than the assembled column and the concrete of the cushion cap (6).
18. a kind of construction method of assembled bridge pier, which is characterized in that step includes：
S100, a column segment (2) is lifted on the cushion cap (6), the spiral (1) of the column segment (2) and institute
State cushion cap spiral (5) splicing in operation slot (3) by screw steel bar connector (4) correspondingly of cushion cap (6)；
Remaining column segment (2) is lifted successively above S200, the column segment (2) in the step S100, and is led to
Cross the spiral shell of screw steel bar connector (4) connection each two adjacent upright posts segment (2) in the operation slot (3) of column segment (2)
Line reinforcing bar (1), until completing the splicing of assembled bridge pier.
19. the construction method of assembled bridge pier according to claim 18, which is characterized in that after the step S200 also
Including step S300：Using the concrete higher than the concrete structural strength grade of column segment (2) by the operation slot (3)
Clog smooth.
20. the construction method of the assembled bridge pier according to claim 18 or 19, which is characterized in that in the step S100
In, before the column segment (2) and the cushion cap (6) are spliced, first in the spelling of cushion cap (6) and/or column segment (2)
It connects end and smears epoxy glue layer (7)；
In the step S200, before two neighboring column segment (2) is spliced, first in each two adjacent upright posts segment
One or two of (2) splice ends of column segment (2) smear epoxy glue layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785965.4A CN108560405A (en) | 2018-07-17 | 2018-07-17 | The construction method of assembled column, assembled bridge pier and assembled bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785965.4A CN108560405A (en) | 2018-07-17 | 2018-07-17 | The construction method of assembled column, assembled bridge pier and assembled bridge pier |
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| Publication Number | Publication Date |
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| CN108560405A true CN108560405A (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810785965.4A Pending CN108560405A (en) | 2018-07-17 | 2018-07-17 | The construction method of assembled column, assembled bridge pier and assembled bridge pier |
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| Country | Link |
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| CN (1) | CN108560405A (en) |
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