CN108277704A - A kind of straddle-type monorail composite bridge track and its construction method - Google Patents
A kind of straddle-type monorail composite bridge track and its construction method Download PDFInfo
- Publication number
- CN108277704A CN108277704A CN201810012092.3A CN201810012092A CN108277704A CN 108277704 A CN108277704 A CN 108277704A CN 201810012092 A CN201810012092 A CN 201810012092A CN 108277704 A CN108277704 A CN 108277704A
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- CN
- China
- Prior art keywords
- track
- joist
- embedded bar
- steel
- shear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
- E01B25/10—Mono-rails; Auxiliary balancing rails; Supports or connections for rails
-
- 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
Abstract
The invention discloses a kind of straddle-type monorail composite bridge tracks comprising：Joist；At least one track main body is arranged along the joist extending direction on the joist；Steel track beam, along the joist extending direction continuous laying in the track main body；And embedded bar component, part are located in the track main body, are partly located in the joist.The present invention can guarantee the common stress of steel track beam and concrete joist, thereby reduces track height, reduces stress raisers.
Description
Technical field
The present invention relates to technical field of bridge engineering more particularly to a kind of straddle-type monorail composite bridge track and its constructions
Method.
Background technology
The structure type of straddle type rail transit joist on generally use beam when having compared with Great span demand, i.e., certain span
Under Simple Rail Bearer (generally in 25m or so, prestressed reinforced concrete construction) beam-ends setting can mode tensile supporting seat, bearing divides into support rail
Platform, track are fixed on joist, and the track of this type is subjected only to bearing and transmits pressure or pulling force, transverse bending moment.Support rail
Platform is column structure, and regular reinforcement is configured to meet its force request by stud construction.
When cancellation bearing, when using steel track beam and joist collective effect scheme, the elongated setting of steel track beam full-bridge, support rail
0.02~0.2m breaking joints are arranged in the every 2~20m of platform, are not involved in full-bridge entirety stress, and track removes and bears the pressure that steel track beam transmits
Outside power or pulling force, transverse bending moment, also subject to longitudinal shear and vertical bending moment, stress is complicated.
Invention content
The present invention is directed to the drawbacks described above of the prior art, provides a kind of straddle-type monorail composite bridge track and its construction party
Method can guarantee the common stress of steel track beam and concrete joist, thereby reduce track height, reduce local stress
It concentrates.
The technical solution adopted by the present invention to solve the technical problems is：
On the one hand, a kind of straddle-type monorail composite bridge track is provided comprising：
Joist；
At least one track main body is arranged along the joist extending direction on the joist；
Steel track beam, along the joist extending direction continuous laying in the track main body；
And embedded bar component, part are located in the track main body, are partly located in the joist.
Preferably, the steel track beam includes steel track beam bottom plate and steel track beam web.
Preferably, the underface of each web, position corresponding with the web are provided with an anti-shear steel plate；It is each described
Anti-shear steel plate is respectively positioned in the track main body, and the upper surface of each anti-shear steel plate with the steel track beam bottom plate
Lower face be fixedly connected.
Preferably, an at least rows of openings is offered on each anti-shear steel plate, along the joist extending direction；
Several shear reinforcements are equipped in each track main body, and one end of the shear reinforcement passes through a shearing resistance
Trepanning on steel plate, the other end pass through the trepanning on another anti-shear steel plate.
Preferably, the embedded bar component includes：Several first embedded bars and several second embedded bars；
First embedded bar and the second embedded bar are in " [" type, and include：Top, with it is described upper parallel
Lower part and the connection upper and lower part middle part；
The top of each first embedded bar and the top of each second embedded bar are respectively positioned on the support rail
In platform main body, and the lower part of each first embedded bar and the lower part of each second embedded bar are respectively positioned on the support
In beam.
Preferably, the top of each first embedded bar is hooked or is fixedly connected on the shear reinforcement, and
So that extending direction of the upper and lower part of each first embedded bar each parallel to the joist.
Preferably, the top of each second embedded bar is hooked or is fixedly connected on the shear reinforcement, and
So that the upper and lower part of each second embedded bar is each perpendicular to the extending direction of the joist.
Preferably, it is arranged at intervals with gas vent on the steel track beam bottom plate.
On the other hand, a kind of construction method of above-mentioned straddle-type monorail composite bridge track is also provided comprising following step
Suddenly：
S1, the construction for completing the joist, and it is in the construction process that the lower part of first embedded bar, part is intermediate
Portion and the lower part of the second embedded bar, part middle part are embedded in the joist；
S2, the lifting steel track beam are in place, and it is linear to adjust the steel track beam；
An anti-shear steel plate is arranged in S3, the underface of each web, position corresponding with the web；And each described anti-
An at least rows of openings is offered on shear-steel plate, along the joist extending direction, and wears the shear reinforcement in the opening；
S4, the top on the top of each first embedded bar and each second embedded bar is hooked or
It is fixedly connected on the shear reinforcement, and makes the upper and lower part of each first embedded bar each parallel to the support
The extending direction of beam, and the upper and lower part of each second embedded bar is made to be each perpendicular to the extension side of the joist
To；
And it S5, pours to form the track main body.
Preferably, further include S2a between described S2, S3：It is arranged at intervals on the steel track bottom plate of the steel track beam
Gas vent.
The advantageous effect of technical solution of the present invention is：
Straddle-type monorail composite bridge track in the present invention ensure that secured between steel track beam and concrete joist
Connection, is allowed to participate in structure entirety stress jointly to reduce stress raisers to reduce track height.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the cross-section diagram of the straddle-type monorail composite bridge track of the embodiment of the present invention one；
Fig. 2 is the elevation of the straddle-type monorail composite bridge track of the embodiment of the present invention one；
Fig. 3 is the first embedded bar of the embodiment of the present invention one and the structure chart of the second embedded bar；
Fig. 4 is the first embedded bar of the embodiment of the present invention one and the elevation of shear reinforcement；
Fig. 5 is the second embedded bar of the embodiment of the present invention one and the cross-section diagram of shear reinforcement.
Specific implementation mode
In order to make the purpose of the present invention, technical solution and advantage be more clearly understood, below in conjunction with drawings and examples,
The present invention will be described in further detail.It should be understood that specific embodiment described herein is only used for explaining this hair
It is bright, it is not intended to limit the present invention.
Embodiment one：
As shown in Figs. 1-2, a kind of straddle-type monorail composite bridge track of the invention includes：Joist 11；It is at least one to hold
Rail platform main body 5, along 11 extending direction of the joist (i.e. arrow X directions in Fig. 2, at the same be also Fig. 1 in perpendicular to paper
The direction in face) it is arranged on the joist 11；Steel track beam 1 including steel track beam bottom plate 3 and steel track beam web 2, edge
The joist extending direction continuous laying is in the track main body 5；And embedded bar component, part are located at described hold
In rail platform main body 5, partly it is located in the joist 11.In the present embodiment, the track main body 5 is poured by coagulation body,
And the quantity of the track main body 5 can be selected according to the length of circuit, and when with several track main bodys 5, such as Fig. 2
It is shown, it is formed with track breaking joint 101 between adjacent two tracks main body 5.
Further, the steel track beam web 2 is set to 1 both sides of steel track beam, and each steel track beam web 2 is just
Lower section, position corresponding with the web 2 are provided with an anti-shear steel plate 6；Each anti-shear steel plate 6 is respectively positioned on the track
In main body 5, and the upper surface of each anti-shear steel plate 6 is solid by modes such as welding with the lower face of steel track beam bottom plate 3
Fixed connection.
On this basis, on each anti-shear steel plate 6, at least one is offered along 11 extending direction of the joist to arrange
Hole；Meanwhile several shear reinforcements 9 are equipped in each track main body 5, and one end of the shear reinforcement 9 passes through one
Trepanning on anti-shear steel plate 6, the other end pass through the trepanning on another anti-shear steel plate 6；
In the present embodiment, two are arranged in parallel on each anti-shear steel plate 6, along the short transverse of the anti-shear steel plate 6
Rows of openings, and the shear reinforcement 9 being threaded through in trepanning is mutually parallel, each shear reinforcement 9 is each parallel to the joist 11
Upper surface, the parallel shear reinforcement 9 of two rows is consequently formed.Increased as a result, by the shear reinforcement 9 and anti-shear steel plate 6
The shear resistance of strong structure entirety.
It should be noted that the number of rows of the trepanning opened up on each anti-shear steel plate 6 and the number of rows of shear reinforcement 9 can
Depending on actual shearing resistance and stressing conditions, it is not specifically limited herein.
The embedded bar component includes：Several first embedded bars 7 and several second embedded bars 8；
As shown in figure 3, first embedded bar, 7 and second embedded bar 8 is in " [" type, and include：Top 10,
With the upper parallel lower part 12 and it connect the middle part 13 of the upper and lower part；
The top 10 of each first embedded bar 7 and each second embedded bar 8 is respectively positioned on the track
In main body 5, lower part 12 is respectively positioned in the joist 11.
Specifically, such as Fig. 2, shown in 4, the top 10 of each first embedded bar 7 is hooked or is fixedly connected (as welded
Connect) on the shear reinforcement 9, and make each first embedded bar 7 top 10 and lower part 13 each parallel to institute
State the extending direction X of joist.And to ensure that uniform force, the top 10 of each first embedded bar 7 are hooked or fixed
Connection (such as welding) on the shear reinforcement 9 of most upper row, and simultaneously first embedded bar 7 along the track master
The vertical central axis Y (as shown in Figure 1) of body 5 is symmetrical.
As shown in figure 5, the top 10 of each second embedded bar 8 is hooked or is fixedly connected and (such as weld) described
On shear reinforcement 9, and the top 10 of each second embedded bar 8 and lower part 13 is made to be each perpendicular to prolonging for the joist 11
Stretch direction (i.e. perpendicular to the direction of paper in Fig. 4).Likewise, for ensure uniform force, each two embedded bar 8 it is upper
Portion 10 is hooked or is fixedly connected and (such as weld) on the shear reinforcement 9 of most upper row, and two embedded bar 8 simultaneously
Vertical central axis Y (as shown in Figure 1) along the track main body 5 is symmetrical.
In addition, convenient for exhaust, to ensure concrete compaction, the steel when carrying out the concreting of track main body 5
Gas vent 4 is arranged at intervals on track girder bottom plate 3, it is preferred that the gas vent 4 is arranged at the steel track beam bottom plate 3
Middle part.
Embodiment two：
Present embodiments provide a kind of construction method of above-mentioned straddle-type monorail composite bridge track comprising following step
Suddenly：
S1, the construction for completing the joist, and it is in the construction process that the lower part of first embedded bar, part is intermediate
Portion and the lower part of the second embedded bar, part middle part are embedded in the joist；
S2, the lifting steel track beam are in place, and it is linear to adjust the steel track beam
An anti-shear steel plate is arranged in S3, the underface of each web, position corresponding with the web；And each described anti-
An at least rows of openings is offered on shear-steel plate, along the joist extending direction, and wears the shear reinforcement in the opening；
S4, the top on the top of each first embedded bar and each second embedded bar is hooked or
It is fixedly connected on the shear reinforcement, and makes the upper and lower part of each first embedded bar each parallel to the support
The extending direction of beam, and the upper and lower part of each second embedded bar is made to be each perpendicular to the extension side of the joist
To；
And it S5, pours to form the track main body.
Preferably, further include S2a between described S2, S3：It is arranged at intervals on the steel track bottom plate of the steel track beam
Gas vent.
It should be noted that the technical characteristic in above-described embodiment one, two can carry out arbitrary combination, the technology being composed
Scheme all belongs to the scope of protection of the present invention.
In conclusion a kind of straddle-type monorail composite bridge track of present invention offer and its construction method, can guarantee steel
The common stress of track girder and concrete joist, thereby reduces track height, reduces stress raisers.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of straddle-type monorail composite bridge track, which is characterized in that including：
Joist；
At least one track main body is arranged along the joist extending direction on the joist；
Steel track beam, along the joist extending direction continuous laying in the track main body；
And embedded bar component, part are located in the track main body, are partly located in the joist.
2. straddle-type monorail composite bridge track according to claim 1, which is characterized in that the steel track beam includes steel
Track girder bottom plate and steel track beam web.
3. straddle-type monorail composite bridge track according to claim 2, which is characterized in that the underface of each web,
Position corresponding with the web is provided with an anti-shear steel plate；Each anti-shear steel plate is respectively positioned in the track main body,
And the upper surface of each anti-shear steel plate is fixedly connected with the lower face of the steel track beam bottom plate.
4. straddle-type monorail composite bridge track according to claim 3, which is characterized in that each anti-shear steel plate
Above, an at least rows of openings is offered along the joist extending direction；
Several shear reinforcements are equipped in each track main body, and one end of the shear reinforcement passes through an anti-shear steel plate
On trepanning, the other end pass through another anti-shear steel plate on trepanning.
5. straddle-type monorail composite bridge track according to claim 4, which is characterized in that the embedded bar component packet
It includes：Several first embedded bars and several second embedded bars；
First embedded bar and the second embedded bar are in " [" type, and include：Top, with it is described it is upper parallel under
The middle part in portion and the connection upper and lower part；
The top of each first embedded bar and the top of each second embedded bar are respectively positioned on the track master
In vivo, and the lower part of each first embedded bar and the lower part of each second embedded bar are respectively positioned on the joist
It is interior.
6. straddle-type monorail composite bridge track according to claim 5, which is characterized in that each first pre-buried steel
The top of muscle is hooked or is fixedly connected on the shear reinforcement, and makes the top of each first embedded bar under
Extending direction of the portion each parallel to the joist.
7. straddle-type monorail composite bridge track according to claim 6, which is characterized in that each second pre-buried steel
The top of muscle is hooked or is fixedly connected on the shear reinforcement, and makes the top of each second embedded bar under
Portion is each perpendicular to the extending direction of the joist.
8. according to claim 2-7 any one of them straddle-type monorail composite bridge tracks, which is characterized in that the steel track
It is arranged at intervals with gas vent on beam bottom plate.
9. a kind of construction method of straddle-type monorail composite bridge track as claimed in claim 7, which is characterized in that including such as
Lower step：
S1, the construction for completing the joist, and in the construction process by the lower part of first embedded bar, part middle part,
And second lower part of embedded bar, part middle part are embedded in the joist；
S2, the lifting steel track beam are in place, and it is linear to adjust the steel track beam；
An anti-shear steel plate is arranged in S3, the underface of each web, position corresponding with the web；And in each shearing resistance steel
An at least rows of openings is offered on plate, along the joist extending direction, and wears the shear reinforcement in the opening；
S4, the top on the top of each first embedded bar and each second embedded bar is hooked or is fixed
It is connected on the shear reinforcement, and makes the upper and lower part of each first embedded bar each parallel to the joist
Extending direction, and the upper and lower part of each second embedded bar is made to be each perpendicular to the extending direction of the joist；
And it S5, pours to form the track main body.
10. construction method as claimed in claim 9, which is characterized in that further include S2a between described S2, S3：In the rail
It is arranged at intervals with gas vent on the steel track bottom plate of road beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012092.3A CN108277704B (en) | 2018-01-05 | 2018-01-05 | Straddle type monorail combined bridge rail bearing platform and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810012092.3A CN108277704B (en) | 2018-01-05 | 2018-01-05 | Straddle type monorail combined bridge rail bearing platform and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108277704A true CN108277704A (en) | 2018-07-13 |
| CN108277704B CN108277704B (en) | 2023-08-08 |
Family
ID=62803275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810012092.3A Active CN108277704B (en) | 2018-01-05 | 2018-01-05 | Straddle type monorail combined bridge rail bearing platform and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108277704B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999044874A1 (en) * | 1998-03-03 | 1999-09-10 | Owen William E | Rail transit system |
| DE10312561A1 (en) * | 2003-03-21 | 2004-09-30 | Walter Bau-Ag | Method for producing track carriers in normal orientation for electromagnetic high-speed lines involves subsequent casting-in of the fastening elements for the track functional components |
| CN1699692A (en) * | 2005-06-29 | 2005-11-23 | 上海磁浮交通工程技术研究中心 | Superimposed rail beam for magnetic suspension traffic and method for manufacturing same |
| CN201362807Y (en) * | 2009-02-16 | 2009-12-16 | 上海市机械施工有限公司 | Track girder subgrade for large walking crane |
| CN103711071A (en) * | 2013-12-30 | 2014-04-09 | 上海市隧道工程轨道交通设计研究院 | Elevated section structure used for straddle type single-track transportation |
| CN104988951A (en) * | 2015-07-08 | 2015-10-21 | 中铁工程设计咨询集团有限公司 | Straddle type monorail underground section rail wall structure and construction method thereof |
| CN106948260A (en) * | 2017-05-04 | 2017-07-14 | 成都市新筑路桥机械股份有限公司 | Straddle-seat type single traffic rail beam bears bearing |
| CN207828712U (en) * | 2018-01-05 | 2018-09-07 | 中铁工程设计咨询集团有限公司 | A kind of straddle-type monorail composite bridge track |
-
2018
- 2018-01-05 CN CN201810012092.3A patent/CN108277704B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999044874A1 (en) * | 1998-03-03 | 1999-09-10 | Owen William E | Rail transit system |
| DE10312561A1 (en) * | 2003-03-21 | 2004-09-30 | Walter Bau-Ag | Method for producing track carriers in normal orientation for electromagnetic high-speed lines involves subsequent casting-in of the fastening elements for the track functional components |
| CN1699692A (en) * | 2005-06-29 | 2005-11-23 | 上海磁浮交通工程技术研究中心 | Superimposed rail beam for magnetic suspension traffic and method for manufacturing same |
| CN201362807Y (en) * | 2009-02-16 | 2009-12-16 | 上海市机械施工有限公司 | Track girder subgrade for large walking crane |
| CN103711071A (en) * | 2013-12-30 | 2014-04-09 | 上海市隧道工程轨道交通设计研究院 | Elevated section structure used for straddle type single-track transportation |
| CN104988951A (en) * | 2015-07-08 | 2015-10-21 | 中铁工程设计咨询集团有限公司 | Straddle type monorail underground section rail wall structure and construction method thereof |
| CN106948260A (en) * | 2017-05-04 | 2017-07-14 | 成都市新筑路桥机械股份有限公司 | Straddle-seat type single traffic rail beam bears bearing |
| CN207828712U (en) * | 2018-01-05 | 2018-09-07 | 中铁工程设计咨询集团有限公司 | A kind of straddle-type monorail composite bridge track |
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|---|---|
| CN108277704B (en) | 2023-08-08 |
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