CN203654157U - Track beam structure supported by double-layer rods - Google Patents
Track beam structure supported by double-layer rods Download PDFInfo
- Publication number
- CN203654157U CN203654157U CN201320790242.6U CN201320790242U CN203654157U CN 203654157 U CN203654157 U CN 203654157U CN 201320790242 U CN201320790242 U CN 201320790242U CN 203654157 U CN203654157 U CN 203654157U
- Authority
- CN
- China
- Prior art keywords
- rail beam
- connecting rod
- double
- track beam
- beam body
- 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.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a track beam structure supported by double-layer rods. The track beam structure supported by the double-layer rods comprises track beam rails. A track beam comprises two track beam bodies arranged in parallel, the section of each track beam body is rectangular, and the extending direction of the track beam bodies is the same as the extending direction of two rails. The connecting rods are arranged between the track beam bodies. The connecting rods are the multiple rows of double-layer connecting rods which keep flush with the top faces and the bottom faces of the track beam bodies and are the same in shape of sections. The plane where the double-layer connecting rods in any row are located is perpendicular to the side face of the track beam bodies. According to the track beam structure supported by the double-layer rods, the transverse rigidity and transverse section bending resistance inertia moment of the track beam can be improved, the section bending resistance is improved, vibration reduction components can be arranged flexibly and conveniently, and construction cost is easier to control.
Description
Technical field
The utility model relates to engineering field, relates in particular to a kind of Double layer Bar supporting track girder construction.
Background technology
Along with the continuous expansion of China's city size, also day by day strong to the growth requirement of public transport, on city map, occurred a large amount of newly-built transit's routes, urban track traffic, as the most effective mode of alleviating urban traffic pressure, had obtained swift and violent development in recent years.The form of structure that current track traffic adopts mainly contains slab track structure, trapezoidal track structure, sleeper track structure.
Slab track globality is relatively good, and the problem of its existence is: concrete use amount is larger, and construction costs is higher, and simultaneously dead weight is larger, especially for use on bridge time, has increased the deadweight of bridge top; In order to guarantee the safety of bridge, on bridge, other sectional dimension of members also will increase thereupon, the corresponding cost that increases bridge itself.
Trapezoidal track structure has advantages of lightness, and is convenient to arrange damping element below trapezoidal track, and the problem of its existence is: the situation that easily occurs cracking in the use procedure of trapezoidal track structure at the connecting portion at trapezoidal track connecting rod two ends.The reason that occurs cracking is mainly that the problems such as track irregularity, cause train to have oscillation crosswise, and the connecting rod of trapezoidal track are located in the centre position of rail beam along short transverse because track is in the time that train passes through.Under the effect of rail level lateral force, the rod end of connecting rod produces Moment.Again because the sectional dimension of connecting rod is less, opposing moment of flexure ability also a little less than, so there is plastic hinge in the end of connecting rod.In the time that plastic hinge Stiffness Deterioration is more serious, will affect the connecting rod constraint rigidity horizontal to rail beam, the traffic safety that jeopardizes train.
The problem that sleeper track structure exists is: structure is relatively disperseed, and is unfavorable for that factory is integral prefabricated, is unfavorable for the layout of damping element.Therefore, be necessary existing track beam structure to improve, to address the above problem.
Utility model content
Technical problem to be solved in the utility model is, a kind of Double layer Bar supporting track girder construction is provided, and can increase horizontal coupling stiffness and the lateral cross section bending resistance moment of inertia of rail beam, improves cross section anti-bending strength; Be more conducive to the flexible arrangement of damping element, can make construction cost be easier to control.
In order to solve the problems of the technologies described above, embodiment of the present utility model provides a kind of Double layer Bar supporting track girder construction, in order to increase the horizontal coupling stiffness of rail beam, comprise: rail beam and be fastened on two tracks that be arranged in parallel at described rail beam top, wherein, described rail beam comprises: in order to the two rail beam bodies of fixing described track and being oppositely arranged, described two rail beam bodies are made as parallel, its cross section is rectangular, and bearing of trend setting is identical with the bearing of trend of described two tracks; Between described rail beam body, arrange in order to increase the connecting rod of described rail beam in lateral cross section bending resistance moment of inertia, wherein: described connecting rod is that many rows keep concordant with the end face of described rail beam body with bottom surface respectively, and cross sectional shape is set to identical double-deck connecting rod, the plane at the double-deck connecting rod of described arbitrary row place and the side of described rail beam body are perpendicular; The double-deck connecting rod of described many rows is concrete filled steel tubular member or armored concrete member, the double-deck connecting rod of described many rows is equidistant evenly to be arranged, the cross section of described connecting rod is circle or rectangle, and the junction at connecting rod and rail beam body two ends arranges curved changeover portion.
Wherein, the double-deck connecting rod of described many rows and described rail beam body are integrated poured moulding.
Double layer Bar supporting track girder construction provided by the utility model, there is following beneficial effect, between rail beam body, arrange in order to increase the connecting rod of rail beam in lateral cross section bending resistance moment of inertia, can increase horizontal coupling stiffness and the cross section bending resistance moment of inertia of rail beam, improved cross section anti-bending strength, overall performance is better, is more conducive to the flexible arrangement of damping element, and track structure lighter weight, construction cost is controlled; Can reduce the later stage and reinforce the expense of safeguarding, be convenient to prefabrication, can greatly improve construction speed, construction quality is also more easily protected.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic perspective view of the light-duty embodiment Double layer Bar of the utility model supporting track structure.
Fig. 2 is the schematic cross-section of the light-duty embodiment Double layer Bar of the utility model supporting track structure.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In conjunction with referring to Fig. 1-Fig. 2, be the embodiment of the utility model Double layer Bar supporting track structure.
As shown in Figure 1, Double layer Bar supporting track structure in the present embodiment, in order to increase the horizontal coupling stiffness of rail beam, comprise: rail beam 11 and be fastened on two tracks that be arranged in parallel 12 at rail beam 11 tops, rail beam 11 comprises: in order to trapped orbit 12 and the two rail beam bodies 111 that are oppositely arranged, its bearing of trend arranges identical with the bearing of trend of two tracks 12; Between rail beam body 111, arrange in order to increase the connecting rod (not shown) of rail beam 11 lateral cross section bending resistance moment of inertia, wherein:
Connecting rod is that many rows keep concordant with the end face 111a of rail beam body 111 with bottom surface 111b respectively, and cross sectional shape is set to identical double-deck connecting rod 114, the plane at the double-deck connecting rod of arbitrary row 114 places and the side 111a of rail beam body 111 are perpendicular, concentrated for preventing stress, connecting rod 114 arranges curved changeover portion with the junction at rail beam body 111 two ends.
Particularly, two tracks 12 are made as parallel, and rail beam body 111 is the pedestals in order to trapped orbit 12, and the bearing of trend of rail beam body 111 is identical with the bearing of trend of track 12, for cross section is the relative matrix of two positions square shape and that can infinitely extend.Track 12 is fastened on the end face 111a of rail beam body 111, as shown in Figure 2.Connecting rod 114 is concrete filled steel tubular member or armored concrete member, it extends from end face 111a and the bottom surface 111b of rail beam body 111 respectively, and keep concordant with the end face 111a of rail beam body 111 with bottom surface 111b respectively, that is to say that two row's connecting rods 114 of top and bottom parallel.In addition, the double-deck connecting rod 114 of many rows is equidistant evenly to be arranged, and the plane at the double-deck connecting rod of arbitrary row 114 places and the side 111a of rail beam body 111 are perpendicular, and this arrangement can make the stressed more stable of track beam structure, can increase the horizontal coupling stiffness of rail beam body 111.The double-deck connecting rod 114 of many rows can increase the bending resistance moment of inertia of lateral cross section, has improved cross section anti-bending strength.When concrete enforcement, the double-deck connecting rod 114 of many rows is integrated poured moulding with rail beam body 111, namely adopt the form of structure of factory's prefabricate (directly pre-buried, the then mode of fluid concrete), which is lower than the cost of cast-in-site, in guaranteeing workmanship, effectively reduction of erection time, preferably Control Engineering cost.Certainly, also can carry out on-the-spot one cast with rail beam body 111 by arranging double-deck connecting rod 114 more, not affect implementation result.
Preferably, the cross section of connecting rod 114 is circle or rectangle.The track beam structure that adopts double-deck connecting rod 114 structures of these many rows, overall performance is better, is more conducive to the flexible arrangement of damping element, and track structure lighter weight, better economy.
In other embodiments of the Double layer Bar supporting track structure of the light-duty cracking resistance rail beam of the utility model, connecting rod can assemble by other layout type, as three layers or multilayer, the also modes such as layout of can interlocking, can increase the horizontal coupling stiffness of rail beam body as long as meet connecting rod set between rail beam body.
Implement light-duty cracking resistance track beam structure of the present utility model, there is following beneficial effect: between rail beam body, arranging in order to increase junction plate or the connecting rod of rail beam bending resistance moment of inertia in its cross-wise direction, can increase horizontal coupling stiffness and the lateral cross section bending resistance moment of inertia of rail beam, improve cross section anti-bending strength, overall performance is better, be more conducive to the flexible arrangement of damping element, and track structure lighter weight, construction cost is controlled.Wherein: the body structure of rail beam can reduce the later stage and reinforce the expense of safeguarding, be convenient to prefabrication, can greatly improve construction speed, construction quality is also more easily protected, also be beneficial to the evacuation of personnel in the time that Transit Equipment breaks down, security performance is higher.
Claims (2)
1. a Double layer Bar supporting track girder construction, in order to increase the horizontal coupling stiffness of rail beam, comprising: rail beam and be fastened on two tracks that be arranged in parallel at described rail beam top, it is characterized in that, and described rail beam comprises:
In order to the two rail beam bodies of fixing described track and being oppositely arranged, described two rail beam bodies are made as parallel, and its cross section is rectangular, and bearing of trend setting is identical with the bearing of trend of described two tracks;
Between described rail beam body, arrange in order to increase the connecting rod of described rail beam bending resistance moment of inertia in its cross-wise direction, wherein:
Described connecting rod is that many rows keep concordant with the end face of described rail beam body with bottom surface respectively, and cross sectional shape is set to identical double-deck connecting rod, and the plane at the double-deck connecting rod of described arbitrary row place and the end face of described rail beam body are perpendicular;
The double-deck connecting rod of described many rows is concrete filled steel tubular member or armored concrete member, the double-deck connecting rod of described many rows is equidistant evenly to be arranged, the cross section of described connecting rod is circle or rectangle, and the junction at described connecting rod and described rail beam body two ends arranges curved changeover portion.
2. Double layer Bar supporting track girder construction as claimed in claim 1, is characterized in that, the double-deck connecting rod of described many rows and described rail beam body are integrated poured moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790242.6U CN203654157U (en) | 2013-12-05 | 2013-12-05 | Track beam structure supported by double-layer rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790242.6U CN203654157U (en) | 2013-12-05 | 2013-12-05 | Track beam structure supported by double-layer rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654157U true CN203654157U (en) | 2014-06-18 |
Family
ID=50920565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320790242.6U Expired - Lifetime CN203654157U (en) | 2013-12-05 | 2013-12-05 | Track beam structure supported by double-layer rods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654157U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421167A (en) * | 2015-12-17 | 2016-03-23 | 中铁第四勘察设计院集团有限公司 | Double-track beam for magnetic levitation holding-rail type rail transit |
| CN105421166A (en) * | 2015-12-17 | 2016-03-23 | 中铁第四勘察设计院集团有限公司 | Double-track beam for magnetic levitation holding-rail type rail transit |
| CN105507126A (en) * | 2015-12-17 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Magnetic suspension XRB rail transit double-line track beam |
| CN105544372A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| CN105544371A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| CN105568839A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568789A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568838A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| WO2017101769A1 (en) * | 2015-12-17 | 2017-06-22 | 中铁第四勘察设计院集团有限公司 | Double-track beam for magnetic-levitation rail-wrap-type rail transit |
| CN108203900A (en) * | 2018-02-09 | 2018-06-26 | 北京交通大学 | A kind of cross-saddle single-track traffic radial type two-orbit beam |
-
2013
- 2013-12-05 CN CN201320790242.6U patent/CN203654157U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421167A (en) * | 2015-12-17 | 2016-03-23 | 中铁第四勘察设计院集团有限公司 | Double-track beam for magnetic levitation holding-rail type rail transit |
| CN105421166A (en) * | 2015-12-17 | 2016-03-23 | 中铁第四勘察设计院集团有限公司 | Double-track beam for magnetic levitation holding-rail type rail transit |
| CN105507126A (en) * | 2015-12-17 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Magnetic suspension XRB rail transit double-line track beam |
| CN105544372A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| CN105544371A (en) * | 2015-12-17 | 2016-05-04 | 中铁第四勘察设计院集团有限公司 | Magnetic levitation encircled track traffic double-line track beam |
| CN105568839A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568789A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| CN105568838A (en) * | 2015-12-17 | 2016-05-11 | 中铁第四勘察设计院集团有限公司 | Two-line rail girder of maglev rail-holding rail transit |
| WO2017101769A1 (en) * | 2015-12-17 | 2017-06-22 | 中铁第四勘察设计院集团有限公司 | Double-track beam for magnetic-levitation rail-wrap-type rail transit |
| CN105507126B (en) * | 2015-12-17 | 2017-10-27 | 中铁第四勘察设计院集团有限公司 | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
| CN108203900A (en) * | 2018-02-09 | 2018-06-26 | 北京交通大学 | A kind of cross-saddle single-track traffic radial type two-orbit beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203654157U (en) | Track beam structure supported by double-layer rods | |
| US9222225B2 (en) | Pre-stressed concrete track slab of slab-type ballast-less track | |
| CN104612000B (en) | A kind of rubber spacer railway structure with vibration and noise reducing function | |
| CN103485279A (en) | Wet joint for straddle type monorail traffic | |
| CN100395410C (en) | Grooved steel-concrete combination beam | |
| CN102182120A (en) | Precast slab type ballastless track structure | |
| CN204919302U (en) | Few main girder structure of wave form steel web | |
| CN205443907U (en) | Double track railway box web letter branching groove ellbeam | |
| WO2017101769A1 (en) | Double-track beam for magnetic-levitation rail-wrap-type rail transit | |
| WO2017101768A1 (en) | Double-track beam for rail-wrap-type rail transit | |
| CN109024219A (en) | A kind of prefabricated ultra-high performance concrete-normal concrete composite beam bridge girder construction and construction method | |
| CN110258203A (en) | π type track girder on a kind of beam applied to large span high speed magnetically suspended train line | |
| CN109930469B (en) | Steel box girder thin-wall pier rigid frame cable-stayed bridge suitable for straddle type monorail | |
| CN103556563B (en) | Steel-RPC combined bridge | |
| CN205276073U (en) | Two line track roof beams of rail formula track traffic are embraced in magnetic suspension | |
| CN105544371B (en) | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension | |
| CN201891068U (en) | U-shaped prestressed concrete continuous beam bridge | |
| CN107642010A (en) | Medium-and low-speed maglev traffic system straightway support rail beam | |
| CN208701485U (en) | Overhead steel reinforced concrete combination beam | |
| CN108625269B (en) | A kind of the part opening girder steel and its construction technology of function division design | |
| CN208009170U (en) | Plate-type ballastless track on a kind of steel truss girder bridge | |
| CN103556567B (en) | Double four battered leg steel work transom piers | |
| CN208009250U (en) | Gauge lines plate-type ballastless track is covered on a kind of steel truss girder bridge | |
| CN203716059U (en) | Box type track beam structure | |
| CN110219250A (en) | The continuous combined overhead beam of multilayer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |