CN209584740U - The concrete track beam that empty iron stressed seamless connects - Google Patents
The concrete track beam that empty iron stressed seamless connects Download PDFInfo
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- CN209584740U CN209584740U CN201920252876.3U CN201920252876U CN209584740U CN 209584740 U CN209584740 U CN 209584740U CN 201920252876 U CN201920252876 U CN 201920252876U CN 209584740 U CN209584740 U CN 209584740U
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Abstract
The utility model discloses a kind of concrete track beams that empty iron stressed seamless connects, including several track beam sections, each track beam section includes multiple concrete track beam sections, running through between all track girder sections of each track beam section has presstressed reinforcing steel, and the both ends of each track beam section are equipped with pre-embedded steel slab, bolt between corresponding two pre-embedded steel slabs of the two neighboring track beam section;Construction method is construction hanging frame support;Fabrication of concrete track girder section, and pre-embedded steel slab is installed in one end of wherein several track girder sections;Multiple track girder sections are lifted, presstressed reinforcing steel is worn between multiple track girder sections and applies prestressing force, form a track beam section;Step 3 is repeated, another track beam section is formed;The corresponding pre-embedded steel slab in two neighboring track beam section end is attached by bolt;Four are repeated the above steps to step 5, to complete the construction of the concrete track beam of stressed seamless connection.
Description
Technical field
The utility model relates to empty iron technical field, in particular to a kind of concrete rail that empty iron stressed seamless connects
Road beam.
Background technique
It is existing sky iron there is a problem of that track girder spacing of joints is larger, cause sky iron operation generate vibration and noise compared with
Greatly, empty iron comfort level and stability are lower.And the construction of existing track girder seam is relatively complicated, the duration is longer, higher cost.
Utility model content
The purpose of the utility model is to overcome the above-mentioned deficiency in the presence of the prior art, a kind of empty iron is provided with answering in advance
The concrete track beam of power seamless connection.
In order to achieve the above-mentioned object of the invention, the utility model provides following technical scheme:
A kind of concrete track beam that sky iron stressed seamless connects, including several track beam sections, each rail
Road beam section includes multiple concrete track beam sections, and running through between all track girder sections of each track beam section has pre- answer
Power muscle, and the both ends of each track beam section are equipped with pre-embedded steel slab, described in the two neighboring track beam section is two corresponding
It is bolted between pre-embedded steel slab.
The utility model is connected multiple concrete track beam sections within the scope of certain length using presstressed reinforcing steel, and
Track girder intersegmental part is made to be completely embedded (the quantity of the concrete track beam section of each track beam section and pre- by applying prestressing force
The length of stress rib is corresponding, and for the ease of construction, the quantity of a track girder intersegmental part track girder section should not be excessive);It is super
When crossing outside certain length range, it is attached by the pre-embedded steel slab and bolt that are embedded in track beam section.It is thus possible to realize
Track girder seamless connection, vibration and noise when reducing empty iron operation promote the comfort level and stability of empty iron operation.Multiple reinforcing bars
The presstressed reinforcing steel for inherently needing to be equipped with by component between concrete track beam section applies prestressing force and is attached, and reduces pre-
The usage amount for burying steel plate has saved cost, and is single tension by repeatedly stretching presstressed reinforcing steel abbreviation, and it is fast that construction is more convenient
The duration has been saved in victory.
Preferably, the pre-embedded steel slab is connected by bent anchor reinforcing bar with the track girder section, is connected firmly.
Preferably, the track girder section includes box track girder section and biramous type track girder section.Box track girder section is three
The semi-enclosed structure of face closure, lower aperture, the trench structure that biramous type track girder section is then open by two are assembled.
Preferably, the biramous type track girder section includes the track beam element for two groove profiles being transversely provided with along track girder,
Detachable connection between two track beam elements.Track girder section is split as several track beam elements, it is each described
Track beam element is the big opening structure of groove profile, and volume and weight also greatly reduces, easy to produce and transport, two rails
Detachable connection between road beam element, easily facilitates installation and maintenance.
Preferably, shape, the size of two track beam elements are identical, manufacture easy to process and on-site consolidation.
Preferably, each track beam element is along vertical for axially symmetric structure, manufacture easy to process and on-site consolidation.
Preferably, between two track beam elements be equipped with junction steel plate, and each track beam element respectively with
The junction steel plate bolt, convenient for construction and maintenance, and stable connection is reliable.
Preferably, the junction of the two neighboring track girder section is equipped with hanger support, and the track girder section is placed in described
On the inside of hanger support, the hanger support is connected with bridge pier again, and hanger support can constrain track girder section, enhance simultaneously
The rigidity and stability of track girder entirety.
The invention also discloses a kind of construction method of concrete track beam that empty iron stressed seamless connects, packets
Include following steps:
Step 1: construction hanging frame support;
Step 2: fabrication of concrete track girder section, and pre-embedded steel slab is installed in one end of wherein several track girder sections;
Step 3: the multiple track girder sections of lifting wear presstressed reinforcing steel between multiple track girder sections and apply prestressing force,
Form a track beam section;
Step 4: step 3 is repeated, another track beam section is formed;
Step 5: the corresponding pre-embedded steel slab in two neighboring track beam section end is attached by bolt;
Step 6: four are repeated the above steps to step 5, to complete the concrete track beam that stressed seamless connects
Construction.
The sequence of step 1 and step 2 can replace in construction method described in the utility model, described in the utility model
Construction method will be attached between multiple track girder sections by presstressed reinforcing steel, be primary by repeatedly stretching presstressed reinforcing steel abbreviation
Tensioning, it is quick that construction is more convenient, has saved the duration, has been connected between two neighboring track beam section by pre-embedded steel slab and bolt
It connects, it is easy for construction, and it is convenient for later maintenance.
Preferably, the fabrication of concrete track girder section in the step 2 includes:
Step 2.1: the track beam element of construction biramous type track girder section;
Step 2.2: junction steel plate is installed between compatible two track beam elements, each track beam element and
It is connected by bolt between junction steel plate, to form track girder section.
Track girder section is split as several track beam elements, volume and weight greatly reduces, easy to produce and transport, rail
It is attached between road beam element by junction steel plate and bolt, it is not only easy for construction, and it is convenient for later maintenance.
Compared with prior art, concrete track beam described in the utility model the utility model has the advantages that
The utility model is connected multiple concrete track beam sections within the scope of certain length using presstressed reinforcing steel, and
By applying prestressing force track girder intersegmental part is completely embedded;When outside more than certain length range, by being embedded in track girder
Pre-embedded steel slab and bolt in section are attached.It is thus possible to realize that track girder is seamlessly connected, when reducing empty iron operation vibration and
Noise promotes the comfort level and stability of empty iron operation.It is inherently needed between multiple reinforced concrete track beam sections by component
The presstressed reinforcing steel to be equipped with applies prestressing force and is attached, and reduces the usage amount of pre-embedded steel slab, has saved cost, and by multiple
Tensioned prestressing bar letter is single tension, and it is quick that construction is more convenient, has saved the duration.
Compared with prior art, the construction method of concrete track beam described in the utility model the utility model has the advantages that
Construction method described in the utility model will be attached between multiple track girder sections by presstressed reinforcing steel, by multiple
Tensioned prestressing bar abbreviation is single tension, and it is quick that construction is more convenient, has saved the duration, is led between two neighboring track beam section
It crosses pre-embedded steel slab and bolt is attached, it is easy for construction, and it is convenient for later maintenance.
Detailed description of the invention:
Fig. 1 is a kind of schematic diagram of track girder section described in the utility model embodiment 1.
Fig. 2 is a kind of concrete track beam of sky iron stressed seamless connection described in the utility model embodiment 1
Structural schematic diagram.
Fig. 3 is the A-A cross-sectional view in Fig. 2.
Fig. 4 is the B-B cross-sectional view in Fig. 2.
Fig. 5 is a kind of schematic diagram of track girder section described in the utility model embodiment 2.
Fig. 6 is a kind of concrete track beam of sky iron stressed seamless connection described in the utility model embodiment 2
Structural schematic diagram.
Fig. 7 is the C-C cross-sectional view in Fig. 6.
Fig. 8 is the D-D cross-sectional view in Fig. 6.
Marked in the figure: 1- track girder section, 11- track beam element, 2- track plates, 3- presstressed reinforcing steel, 4- hanger support, 5- are pre-
Bury steel plate, 6- bolt, 7- bent anchor reinforcing bar, 8- junction steel plate.
Specific embodiment
The utility model is described in further detail below with reference to test example and specific embodiment.But it should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, all to be realized based on the content of the present invention
Technology belongs to the scope of the utility model.
Embodiment 1
As Figure 1-Figure 4, a kind of concrete track beam that empty iron stressed seamless connects, including several track girders
Section, each track beam section includes the concrete track beam section 1 of multiple boxes, all rails of each track beam section
By being connected through the presstressed reinforcing steel 3 having between road beam section 1, and the both ends of each track beam section are equipped with pre-embedded steel slab 5,
The pre-embedded steel slab 5 is connected by bent anchor reinforcing bar 7 with the track beam section, the track beam section corresponding two of adjacent two
It being bolted between a pre-embedded steel slab 5 by bolt 6, the sectional dimension of pre-embedded steel slab 5 is greater than the sectional dimension of track girder section 1,
And the installation site of bolt hole and bolt 6 should avoid track girder section 1.
It is equipped with track plates 2 on all track girder sections 1, is welded to connect between the two neighboring track plates 2.Phase
The junction of adjacent two track girder sections 1 is equipped with hanger support 4, and the hanger support 4 is steel construction, closes for three side sealing,
The body structure being open on one side, including two support sides, two bottom surface of support saddle, between having between two bottom surface of support saddle
Gap and a support top surface.Two support sides compress the side of the track girder section 1, two supports respectively
Bottom surface compresses the bottom surface of the track girder section 1 respectively, and the support top surface compresses the top surface of the track girder section 1.The hanger
Support 4 can constrain the deformation of track girder section 1, and prevent track girder section 1 from large deformation occur.
A kind of construction method for the concrete track beam that sky iron stressed seamless connects, comprising the following steps:
Step 1: construction hanging frame support 4, hanger support 4 close for three side sealing, the body structure being open on one side;
Step 2: fabrication of concrete track girder section 1, and pre-embedded steel slab is installed in one end of wherein several track girder sections 1
5;
Step 3: the multiple track girder sections 1 of lifting are worn presstressed reinforcing steel 3 and are applied between multiple track girder sections 1 and answered in advance
Power forms a track beam section;
Step 4: step 3 is repeated, another track beam section is formed;
Step 5: the corresponding pre-embedded steel slab 5 in two neighboring track beam section end is attached by bolt;
Step 6: four are repeated the above steps to step 5, to complete the concrete track beam that stressed seamless connects
Construction.
Construction method described in the utility model first lifts a track beam section after the processing for completing track girder section
Apply prestressing force immediately after all track girder sections, then lifts next track beam section again and apply prestressing force again, latter two right rail
It is attached between road beam section by bolt, then repeats the above process, the concrete of stressed seamless connection can be completed
The construction of track girder.
Embodiment 2
As shown in Figure 5-Figure 8, the present embodiment the difference from embodiment 1 is that, the track girder section 1 be biramous type track girder
Section.The biramous type track girder section includes the track beam element 11 for two groove profiles being transversely provided with along track girder, two rails
Junction steel plate 8 is equipped between road beam element 11, and each track beam element 11 is bolted with the junction steel plate 8 respectively.Often
For a track beam element 11 along being vertically axially symmetric structure, shape, the size of two track beam elements 11 are identical.
Fabrication of concrete track girder section 1 in the step 2 includes:
Step 2.1: the track beam element 11 of construction biramous type track girder section;
Step 2.2: junction steel plate 8, each track girder list are installed between compatible two track beam elements 11
It is connected by bolt between member 11 and junction steel plate 8, to form track girder section 1.
Above embodiments are only to illustrate the utility model and not limit technical solution described in the utility model, to the greatest extent
Pipe this specification has been carried out detailed description to the utility model referring to above-mentioned each embodiment, but the utility model not office
It is limited to above-mentioned specific embodiment, therefore any pair of the utility model is modified or equivalent replacement;And all do not depart from it is practical
The technical solution and its improvement of novel spirit and scope, should all cover in the scope of the claims of the utility model.
Claims (8)
1. a kind of concrete track beam that sky iron stressed seamless connects, which is characterized in that including several track beam sections, often
A track beam section includes multiple concrete track beam sections (1), all track girder sections (1) of each track beam section
Between through having presstressed reinforcing steel (3), and the both ends of each track beam section are equipped with pre-embedded steel slab (5), the two neighboring rail
It is bolted between corresponding two pre-embedded steel slabs (5) of road beam section.
2. the concrete track beam that a kind of empty iron stressed seamless according to claim 1 connects, which is characterized in that institute
Pre-embedded steel slab (5) are stated to be connected by bent anchor reinforcing bar (7) with the track girder section (1).
3. the concrete track beam that a kind of empty iron stressed seamless according to claim 1 connects, which is characterized in that institute
Stating track girder section (1) includes box track girder section and biramous type track girder section.
4. the concrete track beam that a kind of empty iron stressed seamless according to claim 3 connects, which is characterized in that institute
State the track beam element (11) that biramous type track girder section includes two groove profiles being transversely provided with along track girder, two track girders
Detachable connection between unit (11).
5. the concrete track beam that a kind of empty iron stressed seamless according to claim 4 connects, which is characterized in that two
Shape, the size of a track beam element (11) are identical.
6. the concrete track beam that a kind of empty iron stressed seamless according to claim 4 connects, which is characterized in that every
A track beam element (11) is along vertical for axially symmetric structure.
7. the concrete track beam that a kind of empty iron stressed seamless according to claim 4 connects, which is characterized in that two
Between a track beam element (11) be equipped with junction steel plate (8), and each track beam element (11) respectively with the company
Connect steel plate (8) bolt.
8. the concrete track beam that a kind of -7 any empty iron stressed seamless connect according to claim 1, feature
It is, the junction of the two neighboring track girder section (1) is equipped with hanger support (4).
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CN201920252876.3U CN209584740U (en) | 2019-02-27 | 2019-02-27 | The concrete track beam that empty iron stressed seamless connects |
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CN201920252876.3U CN209584740U (en) | 2019-02-27 | 2019-02-27 | The concrete track beam that empty iron stressed seamless connects |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109629350A (en) * | 2019-02-27 | 2019-04-16 | 成都建工第六建筑工程有限公司 | The concrete track beam and its construction method that empty iron stressed seamless connects |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109629350A (en) * | 2019-02-27 | 2019-04-16 | 成都建工第六建筑工程有限公司 | The concrete track beam and its construction method that empty iron stressed seamless connects |
CN109629350B (en) * | 2019-02-27 | 2024-02-13 | 成都建工第六建筑工程有限公司 | Prestressed seamless connection concrete track beam for empty iron and construction method thereof |
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