CN110387814A - A kind of municipal administration Bridge guardrail and its construction method - Google Patents
A kind of municipal administration Bridge guardrail and its construction method Download PDFInfo
- Publication number
- CN110387814A CN110387814A CN201910673396.9A CN201910673396A CN110387814A CN 110387814 A CN110387814 A CN 110387814A CN 201910673396 A CN201910673396 A CN 201910673396A CN 110387814 A CN110387814 A CN 110387814A
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- Prior art keywords
- pedestal
- support rod
- bridge
- railing
- arc
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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
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of municipal Bridge guardrail and its construction methods, it is related to bridge construction technology field, its key points of the technical solution are that: including bridge pier and the railing being set between bridge pier, the bridge pier includes pedestal and support rod, arc groove is offered on the base, one end of the support rod is set as curved portion, the curved portion is rotatably dispose in arc groove, and the center of circle of curved portion is arranged in outside arc groove, the limit sliding part for being fixed on support rod on pedestal is provided between the support rod and pedestal, the connector for being fixed on bridge pier on bridge is provided on the bridge pier, the railing is rotatably dispose on the support rod；By will mutually assemble between pedestal, support rod and railing, have the function of improving its place applicable performance and construction efficiency.
Description
Technical field
The present invention relates to bridge construction technology fields, more specifically, it relates to a kind of municipal administration Bridge guardrail and its construction
Method.
Background technique
Many cities can build bridge to preferably keep the traffic moving, and bridge can be also built on river, but by
In people's walking do not have on bridge floor guardrail will danger close, so the two sides of bridge are usually provided with guardrail, to carry out safety anti-
Shield；In order to improve construction efficiency, guardrail is mostly the standard component processed according to drawing, transports directly on bridge and is combined peace
Dress, is connected by screw bolts or welds, sound construction.
When carrying out the installation of guardrail on straight bridge, installation error is small, speed of application block；But the footbridge of step
Beam or cambered surface bridge are due to angle problem, and difficulty of construction is big, or even can not install since component erroi is big, affect construction
Efficiency.
Summary of the invention
In view of the deficienciess of the prior art, purpose of the present invention one is to provide a kind of municipal Bridge guardrail, have
Improve the effect of its place applicable performance and construction efficiency.
To achieve the above object, the present invention provides the following technical scheme that
A kind of municipal administration Bridge guardrail, including bridge pier and the railing being set between bridge pier, the bridge pier includes pedestal and branch
Strut, offers arc groove on the base, and one end of the support rod is set as curved portion, the curved portion rotation setting
In in arc groove, and the center of circle of curved portion is arranged in outside arc groove, is provided between the support rod and pedestal for that will prop up
Strut is fixed on the limit sliding part on pedestal, and the connection for being fixed on bridge pier on bridge is provided on the bridge pier
Part, the railing are rotatably dispose on the support rod.
So set, according to landform and the gradient, by turning opposite between the curved portion of support rod and the arc groove of pedestal
It is dynamic, and keep support rod in a vertical state always, finally support rod is fixed on pedestal by limit sliding part again, is reached
The purpose of angle between support rod and pedestal is adjusted, while being rotated by the way that railing to be on support rod, reaches railing and is installed on
Effect between two bridge piers；By mutually being assembled between pedestal, support rod and railing, having and improving its place applicable performance
And the effect of construction efficiency.
Further setting: the limit sliding part includes the first tooth-like part being set on arc groove circumferential side wall, setting
It is set in the second tooth-like part, the circular arc side plate that is fixedly installed on support rod side wall and the threads turn on curved portion circumferential side wall
The clamping screw being placed on pedestal, the circular arc side plate and curved portion arranged for interval, offer arc on the circular arc side plate
Through slot, the arc-shaped slot and curved portion are coaxially arranged, and the clamping screw is arranged in the arc-shaped slot.
So set, by the way that the second tooth-like part is engaged with the first tooth-like part, realize support rod and support rod and pedestal it
Between the effect that is fixed to each other, the angle between support rod and pedestal can be adjusted, and keep support rod in a vertical state, circular arc side
Plate is on clamping screw and is rotated by arc-shaped slot, after regulating, then by clamping screw circular arc side plate is fixed on pedestal
On, achieve the purpose that adjust adjustment support rod and pedestal between angle after fixed.
Further setting: offering the arc holding tank matched with circular arc side plate on the side wall of the pedestal, described
The rotation of circular arc side plate is arranged in arc holding tank, and the center of circle of circular arc side plate is in being arranged in outside arc holding tank.
So set, improving support rod and the direct contact area of pedestal, and the purpose of limit installation is played, makes circular arc side
Plate only exists in the rotation of arc holding tank, improves the mounting stability between support rod and pedestal.
Further setting: it is mechanical that indexing is provided on the end face of the circular arc side plate.
So set, reaching the mesh for being easily installed municipal Bridge guardrail convenient for the angle between observation support rod and pedestal
's.
Further setting: the bridge pier is spliced by two pedestals and the support rod being respectively arranged on pedestal, two
The first recessing groove and the second recessing groove, first recessing groove and the second recessing groove are offered on the side of the support rod respectively
The installation through-hole for installing railing is formed, is fixedly installed fixing axle, the fixing axle in the slot bottom of first recessing groove
The slot bottom of separate one end connecting with the first recessing groove and the second recessing groove contradicts, and the railing is rotatably dispose in the fixing axle
On.
So set, by the way that pedestal and support rod are spliced respectively, while by railing rotational installation in two supports
On the one hand the installation through-hole of the formation of bar makes its railing be in the purpose being rotatablely installed between two support rods, on the other hand improves
Installation capability between support rod and pedestal improves the mounting stability between bridge pier and railing, is spelled by pedestal and support rod
It connects, improves the Fast Installation of bridge pier surely.
Further setting: fixation hole is offered in the slot bottom of second recessing groove, the fixing axle is separate to be allowed with first
One end of position slot connection is plugged in the fixation hole.
So set, by the way that fixing axle to be plugged in fixation hole, improves railing and be installed on and formed between two support rods
The stability on support rod is rotatably dispose in by railing on Zhang Tongkong, is improved.
Further setting: it is fixedly connected with grafting block on the side wall of wherein one pedestal, on another pedestal
The spliced eye matched with grafting block is offered, the grafting block is plugged in the spliced eye.
So set, being plugged in the spliced eye on another pedestal by the grafting block on a wherein pedestal, two bottoms are improved
Contact area when seat splicing realizes the purpose of fixed splicing between two pedestals.
Further setting: the connector is successively arranged in spliced eye and grafting block arrangement.
So set, being on the one hand convenient for the effect that will be fixedly mounted between two pedestals by connector, while passing through connection
Part also goes two pedestals due on bridge floor, and raising pedestal is installed on the stabilization installation capability on bridge floor.
Further setting: fastening screw, multiple positioning are fixedly installed on the end face of wherein one support rod
Bolt offers a pair of with fastening screw one along the length direction equidistant placement of support rod on the end face of another support rod
The positioning jack answered, the fastening screw are plugged in the positioning jack.
So set, being plugged in the positioning jack on another support rod respectively by the fastening screw on a wherein support rod
It is interior, the contact area when splicing of two support rods is improved, realizes the purpose of fixed splicing between two support rods.
Another object of the present invention is to provide a kind of construction method of municipal Bridge guardrail, has and improve its municipal bridge
The effect of guardrail construction quality.
The construction method of a kind municipal administration Bridge guardrail, comprising the following steps:
S1, precast pier module: precast base, and integrally formed with grafting block or spliced eye is offered on the side wall of pedestal, In
The upper surface of pedestal is reserved with arc groove, and is prefabricated with the first tooth-like part on the circumferential groove bottom of arc groove, separate in pedestal
It is reserved with arc holding tank on the side wall of grafting block or spliced eye, the bolt for installing earth stud is reserved on pedestal
Through-hole, bolt hole communicate arrangement with arc groove or arrange through grafting block；
S2, precast support bar module: the upper end of support rod is prefabricated into rectangular portion, lower end is prefabricated into curved portion, and in curved portion
Circumferential side wall on be prefabricated with the second tooth-like part, be prefabricated with circular arc side plate in the lower end of rectangular portion, and have curved portion arranged for interval,
It is reserved with the recessing groove for installing railing on the side wall of rectangular portion, is preset with fixing axle or fixation in the cell wall of recessing groove
Hole；
S3, prefabricated railing module: being prefabricated into rectangular strip or cylindrical bar for railing, is reserved with hinge hole at the both ends of railing；
S4, it is spliced to form Bridge guardrail: after spreading adhesive on the reserved steel bar on bridge floor, the pedestal of spliced eye will be had
It is installed on bridge floor, and part reserved steel bar is passed through into the bolt hole on the pedestal, later fixes the curved portion of a support rod
It is installed in the arc groove of the pedestal, and then the curved portion of another support rod is fixedly installed in the arc groove of another pedestal
It is interior, railing is articulated in the fixing axle of support rod rectangular portion, finally the pedestal with grafting block is plugged in spliced eye
Pedestal on, make the aligned in position between two pedestals and between two support rods, railing rotates in recessing groove；
Another bottom is fixedly installed on bridge floor by S5, installation connecting element, then repeat the above steps continue installation another group of bridge pier,
Support rod and railing
So set, processing bridge pier and railing by above-mentioned construction method, the specific installation improved between bridge pier and bridge floor is steady
Qualitative energy, does not only reach convenient for rapid processing, and improves the purpose of processing quality, equally, has and improves its municipal Bridge guardrail
The effect of construction quality.
By using above-mentioned technical proposal, the present invention compares compared with the prior art, has the advantage that
1, by the way that pedestal and support rod are spliced respectively, while by railing rotational installation in the peace of the formation of two support rods
Through-hole is filled, so that its railing is in the purpose being rotatablely installed between two support rods, on the other hand improves support rod and pedestal
Between installation capability, improve the mounting stability between bridge pier and railing, be spliced by pedestal and support rod, raising bridge
The Fast Installation of pier is surely；
2, it is plugged in the spliced eye on another pedestal by the grafting block on a wherein pedestal, connecing when improving the splicing of two pedestals
Contacting surface product realizes the purpose of fixed splicing between two pedestals；
3, it is plugged in the positioning jack on another support rod respectively by the fastening screw on a wherein support rod, improves two
Contact area when strut splices realizes the purpose of fixed splicing between two support rods.
Detailed description of the invention
Fig. 1 is structural schematic diagram when municipal Bridge guardrail is installed on horizontal plane；
Fig. 2 is state diagram when municipal Bridge guardrail is installed in slope surface；
Fig. 3 is the cross-sectional view in Fig. 2 at A-A；
Structural schematic diagram when Fig. 4 is bridge pier local expansion；
Fig. 5 is the cross-sectional view at bridge pier limit sliding part.
In figure: 1, bridge pier；11, pedestal；111, grafting block；112, spliced eye；113, bolt hole；114, arc groove；
115, arc holding tank；12, support rod；121, rectangular portion；122, curved portion；123, fastening screw；124, positioning jack；125,
First recessing groove；126, the second recessing groove；127, installation through-hole；128, fixing axle；129, fixation hole；2, railing；3, connector；
4, sliding part is limited；41, the first tooth-like part；42, the second tooth-like part；43, circular arc side plate；431, arc-shaped slot；432, indexing is carved
Plate；44, clamping screw.
Specific embodiment
Municipal Bridge guardrail and its construction method are described further referring to attached drawing.
Embodiment 1: a kind of municipal administration Bridge guardrail, as depicted in figs. 1 and 2, including bridge pier 1, the column being set between bridge pier 1
It bar 2 and is set on bridge pier 1 for the connector 3 that is fixed on bridge pier 1 on bridge；Each bridge pier 1 by two pedestals 11 and
The support rod 12 being respectively arranged on pedestal 11 is spliced, and railing 2 is rotatably dispose on two support rods 12；Connector 3 is to connect
Ground bolt, and be respectively arranged on two pedestals 11, specific introduction is done with one group of bridge pier 1 below.
As shown in Figure 2 and Figure 4, integrally formed with grafting block 111 or spliced eye 112 is offered on the side wall of pedestal 11,
When installation, it is plugged in another pedestal 11 with spliced eye 112 by the pedestal 11 with grafting block 111, makes its grafting block
111 fixations are plugged in spliced eye 112, are realized and are spliced fixed effect between two pedestals 11；It opens up on the pedestal 11 useful
In the bolt hole 113 of installation earth stud, bolt hole 113 communicates arrangement with spliced eye 112 or through 111 cloth of grafting block
It sets, when pedestal 11 is installed on bridge floor, the hole wall and grafting block 111 in spliced eye 112 is sequentially passed through by earth stud,
It realizes the effect being fixed to each other between two pedestals 11, and two pedestals 11 is fixed on the purpose on bridge simultaneously.
As shown in Figure 3 and Figure 4, support rod 12 includes the rectangular portion 121 and curved portion 122 being wholely set, in pedestal 11
Upper surface on offer arc groove 114, the curved portion 122 of two support rods 12 is rotatably dispose in the arc of two pedestals 11 respectively
In slot 114, and the center of circle of curved portion 122 is arranged in outside arc groove 114；Meanwhile it being provided between support rod 12 and pedestal 11
Limit sliding part 4 for being fixed on support rod 12 on pedestal 11.
As shown in Figure 3 and Figure 4, limit sliding part 4 includes the first dentation being integrally formed on 114 circumferential side wall of arc groove
Portion 41, is integrally formed on 121 lateral wall of rectangular portion the second tooth-like part 42 being integrally formed on 122 circumferential side wall of curved portion
Circular arc side plate 43 and threads turn be set to the clamping screw 44 of 11 lateral wall of pedestal；Circular arc side plate 43 and curved portion 122
Arranged for interval offers arc-shaped slot 431 on circular arc side plate 43, and arc-shaped slot 431 and curved portion 122 are coaxially arranged, and locks
Tight bolt 44 is arranged in arc-shaped slot 431 and is fixed on circular arc side plate 43 on the cell wall of arc groove 114.
As shown in Figure 4 and Figure 5, the arc holding tank matched with circular arc side plate 43 is offered on the side wall of pedestal 11
115, the rotation of circular arc side plate 43 is arranged in arc holding tank 115, and the center of circle of circular arc side plate 43 is arranged in arc holding tank 115
Outside；44 threads turn of clamping screw is connected on the cell wall of arc holding tank 115, and the lateral wall of circular arc side plate 43 and pedestal 11
Lateral wall flush arrangement, for the ease of the corner dimension that is formed between observation pedestal 11 and support rod 12, in circular arc side plate 43
End face on be carved with indexing mechanical 432.
As shown in Figure 4 and Figure 5, fastening screw 123 is fixedly installed in the wherein rectangular portion 121 of a support rod 12, it is more
Length direction equidistant placement of a fastening screw 123 along support rod 12；Offered in the rectangular portion 121 of another support rod 12 with
The one-to-one positioning jack 124 of fastening screw 123, is plugged in positioning jack 124 respectively by fastening screw 123, is realized
The purpose of fixed splicing between two support rods 12.
As shown in Figure 4 and Figure 5, the first recessing groove 125 and second is offered respectively on the opposite flank of two support rods 12
Recessing groove 126, the first recessing groove 125 and the second recessing groove 126 form the installation through-hole 127 for installing railing 2；And first
The slot bottom of recessing groove 125 is fixedly installed fixing axle 128, and one end of railing 2 is rotatably dispose in fixing axle 128；Meanwhile second
The slot bottom of recessing groove 126 offers fixation hole 129, and the separate one end connecting with the first recessing groove 125 of fixing axle 128 is plugged in solid
Determine in hole 129, realizes the purpose being rotatably dispose in railing 2 in the installation through-hole 127 between two support rods 12.
Working principle: firstly, the pedestal 11 with spliced eye 112 is installed on bridge floor, by the arc of a support rod 12
Portion 122 is fixedly installed in the arc groove 114 of a pedestal 11, and according to landform and the gradient, makes its support rod 12 and pedestal 11
Between relatively rotate, then by limit sliding part 4 support rod 12 is fixed on pedestal 11, keep support rod 12 be in vertical shape
State；Then, the curved portion 122 of another support rod 12 is fixedly installed in the arc groove 114 of another pedestal 11, and by railing 2
It is articulated in fixing axle 128, is plugged in its pedestal 11 with grafting block 111 on the pedestal 11 with spliced eye 112, grafting
The fixation of block 111 is plugged in spliced eye 112, makes the aligned in position between two pedestals 11 and between two support rods 12, and 2 turns of railing
It moves in installation through-hole 127, achieving the purpose that quickly to splice installation between bridge pier 1 and railing 2；Finally, connector 3 is by another bottom
It is fixedly installed on bridge floor, repeats above-mentioned steps and continue another group of bridge pier 1 of installation, support rod 12 and railing 2；By the bottom of by
It is mutually assembled between seat 11, support rod 12 and railing 2, has the function of improving its place applicable performance and construction efficiency.
Embodiment 2: a kind of for installing the construction method of municipal Bridge guardrail in embodiment 1, comprising the following steps:
S1,1 module of precast pier: precast base 11, and integrally formed with grafting block 111 or offered slotting on the side wall of pedestal 11
Hole 112 is connect, is reserved with arc groove 114 in the upper surface of pedestal 11, and be prefabricated with first on the circumferential groove bottom of arc groove 114
Tooth-like part 41 is reserved with arc holding tank 115 on side wall of the pedestal 11 far from grafting block 111 or spliced eye 112, in pedestal
The bolt hole 113 for installing earth stud is reserved on 11, bolt hole 113 communicates arrangement with arc groove 114 or runs through
Grafting block 111 is arranged.
S2,12 module of precast support bar: the upper end of support rod 12 is prefabricated into rectangular portion 121, lower end is prefabricated into curved portion
122, and the second tooth-like part 42 is prefabricated on the circumferential side wall of curved portion 122, circular arc side is prefabricated in the lower end of rectangular portion 121
Plate 43, and have 122 arranged for interval of curved portion, the recessing groove for installing railing 2 is reserved on the side wall of rectangular portion 121,
Fixing axle 128 or fixation hole 129 are preset in the cell wall of recessing groove.
S3,2 module of prefabricated railing: being prefabricated into rectangular strip or cylindrical bar for railing 2, is reserved at the both ends of railing 2
Hinge hole.
S4, it is spliced to form Bridge guardrail: after spreading adhesive on the reserved steel bar on bridge floor, spliced eye will be had
112 pedestal 11 is installed on bridge floor, and part reserved steel bar is passed through the bolt hole 113 on the pedestal 11, later by one
The curved portion 122 of strut 12 is fixedly installed in the arc groove 114 of the pedestal 11, and then by the curved portion of another support rod 12
122 are fixedly installed in the arc groove 114 of another pedestal 11, and railing 2 is articulated with to the fixing axle of 12 rectangular portion 121 of support rod
On 128, finally the pedestal 11 with grafting block 111 is plugged on the pedestal 11 with spliced eye 112, is made between two pedestals 11
And two aligned in position between support rod 12, railing 2 rotate in recessing groove.
Another bottom is fixedly installed on bridge floor by S5, installation connecting element 3, is repeated above-mentioned steps and is continued another group of bridge of installation
Pier 1, support rod 12 and railing 2.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of municipal administration Bridge guardrail, including bridge pier (1) and the railing (2) being set between bridge pier (1), it is characterised in that:
The bridge pier (1) includes pedestal (11) and support rod (12), is offered on the pedestal (11) arc groove (114), described
One end of support rod (12) is set as curved portion (122), and the curved portion (122) is rotatably dispose in arc groove (114), and arc
The center of circle in shape portion (122) is arranged in arc groove (114) outside, is provided between the support rod (12) and pedestal (11) for inciting somebody to action
Support rod (12) is fixed on the limit sliding part (4) on pedestal (11), is provided on the bridge pier (1) for by bridge pier (1)
The connector (3) being fixed on bridge, the railing (2) are rotatably dispose on the support rod (12).
2. a kind of municipal Bridge guardrail according to claim 1, it is characterised in that: the limit sliding part (4) includes setting
The first tooth-like part (41) being placed on arc groove (114) circumferential side wall, the second tooth being set on curved portion (122) circumferential side wall
Shape portion (42), the circular arc side plate (43) being fixedly installed on support rod (12) side wall and threads turn are set on pedestal (11)
Clamping screw (44), the circular arc side plate (43) and curved portion (122) arranged for interval open up on the circular arc side plate (43)
Have arc-shaped slot (431), the arc-shaped slot (431) and curved portion (122) are coaxially arranged, and the clamping screw (44) is worn
In the arc-shaped slot (431).
3. a kind of municipal Bridge guardrail according to claim 2, it is characterised in that: opened on the side wall of the pedestal (11)
Equipped with the arc holding tank (115) matched with circular arc side plate (43), circular arc side plate (43) rotation is arranged in arc receiving
In slot (115), and the center of circle of circular arc side plate (43) is arranged in arc holding tank (115) outside.
4. a kind of municipal Bridge guardrail according to claim 3, it is characterised in that: in the end face of the circular arc side plate (43)
On be provided with index mechanical (432).
5. a kind of municipal Bridge guardrail according to any one of claims 1-4, it is characterised in that: the bridge pier (1) by
Two pedestals (11) and the support rod (12) being respectively arranged on pedestal (11) are spliced, in the side of two support rods (12)
The first recessing groove (125) and the second recessing groove (126) are offered on face respectively, first recessing groove (125) and second are stepped down
Slot (126) forms the installation through-hole (127) for installing railing (2), is fixedly installed in the slot bottom of first recessing groove (125)
Have fixing axle (128), described separate one end being connect with the first recessing groove (125) of fixing axle (128) and the second recessing groove (126)
Slot bottom contradict, the railing (2) is rotatably dispose on the fixing axle (128).
6. a kind of municipal Bridge guardrail according to claim 5, it is characterised in that: in second recessing groove (126)
Slot bottom offers fixation hole (129), and described separate one end connecting with the first recessing groove (125) of fixing axle (128) is plugged in institute
It states in fixation hole (129).
7. a kind of municipal Bridge guardrail according to claim 5, it is characterised in that: the side of a pedestal (11) wherein
It is fixedly connected with grafting block (111) on wall, offers the grafting matched with grafting block (111) on another pedestal (11)
Hole (112), the grafting block (111) are plugged in the spliced eye (112).
8. a kind of municipal Bridge guardrail according to claim 7, it is characterised in that: the connector (3) is successively arranged in
Spliced eye (112) and grafting block (111) arrangement.
9. a kind of municipal Bridge guardrail according to claim 5, it is characterised in that: a support rod (12) wherein
It is fixedly installed on end face fastening screw (123), multiple fastening screws (123) are equidistant along the length direction of support rod (12)
Arrangement offers and fastening screw (123) one-to-one positioning jack on the end face of another support rod (12)
(124), the fastening screw (123) is plugged in the positioning jack (124).
10. a kind of construction method of municipal administration Bridge guardrail, which comprises the following steps:
S1, precast pier (1) module: precast base (11), and on the side wall of pedestal (11) integrally formed with grafting block (111) or
Spliced eye (112) are offered, are reserved with arc groove (114) in the upper surface of pedestal (11), and the circumference in arc groove (114)
The first tooth-like part (41) are prefabricated on slot bottom, it is pre- on the side wall of pedestal (11) far from grafting block (111) or spliced eye (112)
There are arc holding tank (115), the bolt hole (113) for installing earth stud is reserved on pedestal (11), bolt is logical
Hole (113) communicates arrangement with arc groove (114) or arranges through grafting block (111)；
S2, precast support bar (12) module: the upper end of support rod (12) is prefabricated into rectangular portion (121), the prefabricated camber in lower end
Portion (122), and the second tooth-like part (42) are prefabricated on the circumferential side wall of curved portion (122), it is pre- in the lower end of rectangular portion (121)
Circular arc side plate (43) are formed with, and have curved portion (122) arranged for interval, are reserved on the side wall of rectangular portion (121) for pacifying
The recessing groove for filling railing (2), is preset with fixing axle (128) or fixation hole (129) in the cell wall of recessing groove；
S3, prefabricated railing (2) module: being prefabricated into rectangular strip or cylindrical bar for railing (2), reserved at the both ends of railing (2)
There is hinge hole；
S4, it is spliced to form Bridge guardrail: after spreading adhesive on the reserved steel bar on bridge floor, spliced eye (112) will be had
Pedestal (11) be installed on bridge floor, and part reserved steel bar is passed through into the bolt hole (113) on the pedestal (11), later by one
The curved portion (122) of support rod (12) is fixedly installed in the arc groove (114) of the pedestal (11), and then by another support rod
(12) curved portion (122) is fixedly installed in the arc groove (114) of another pedestal (11), and railing (2) is articulated with support rod
(12) in the fixing axle (128) of rectangular portion (121), finally the pedestal (11) with grafting block (111) is plugged in grafting
On the pedestal (11) in hole (112), make the aligned in position between two pedestals (11) and between two support rods (12), railing (2) turns
It moves in recessing groove；
Another bottom is fixedly installed on bridge floor by S5, installation connecting element (3), then continues another group of bridge of installation repeating the above steps
Pier (1), support rod (12) and railing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673396.9A CN110387814A (en) | 2019-07-24 | 2019-07-24 | A kind of municipal administration Bridge guardrail and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673396.9A CN110387814A (en) | 2019-07-24 | 2019-07-24 | A kind of municipal administration Bridge guardrail and its construction method |
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| Publication Number | Publication Date |
|---|---|
| CN110387814A true CN110387814A (en) | 2019-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910673396.9A Pending CN110387814A (en) | 2019-07-24 | 2019-07-24 | A kind of municipal administration Bridge guardrail and its construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921826A (en) * | 2021-01-27 | 2021-06-08 | 太仓市路桥工程有限公司 | Annular corridor pedestrian bridge of quick construction |
| CN113756180A (en) * | 2021-10-18 | 2021-12-07 | 周口市公路勘察设计院 | Combined structure bridge and construction method thereof |
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|---|---|---|---|---|
| CN112921826A (en) * | 2021-01-27 | 2021-06-08 | 太仓市路桥工程有限公司 | Annular corridor pedestrian bridge of quick construction |
| CN112921826B (en) * | 2021-01-27 | 2022-08-02 | 太仓市路桥工程有限公司 | Annular corridor pedestrian bridge of quick construction |
| CN113756180A (en) * | 2021-10-18 | 2021-12-07 | 周口市公路勘察设计院 | Combined structure bridge and construction method thereof |
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Application publication date: 20191029 |