CN205636467U - Triangle -shaped steel truss bridge of limb is divided to Y shape - Google Patents
Triangle -shaped steel truss bridge of limb is divided to Y shape Download PDFInfo
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- CN205636467U CN205636467U CN201620279938.6U CN201620279938U CN205636467U CN 205636467 U CN205636467 U CN 205636467U CN 201620279938 U CN201620279938 U CN 201620279938U CN 205636467 U CN205636467 U CN 205636467U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 210000003414 Extremities Anatomy 0.000 title claims abstract description 29
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract description 6
- 230000004048 modification Effects 0.000 abstract description 3
- 238000006011 modification reaction Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000037250 Clearance Effects 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000035512 clearance Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001737 promoting Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Abstract
The utility model discloses a be applicable to the triangle -shaped steel truss bridge of limb is divided to Y shape below the span 200m, including one and two truss no. 2 of a truss, one end and two bridge girders that truss no. 2 crosses and constitutes in some back of truss no. 1, the junction of one and two truss no. 2 of truss is the high highest point in purlin of bridge girder, the bridge girder wholly is a tripod on the space, bridge girder plane is the Y font, two trusss no. 2 splice into the main couple that is the V -arrangement in the bridge girder of Y font and divide the limb part, this kind of bridge type wholly is a tripod molding, the plane molding is the Y font and divides the limb, the facade molding is triangle -shaped's steel longeron modification, this kind of bridge type is under the prerequisite of guaranteeing great leap ability, and the following thickness of bridge floor is little, and the stiffness is big, and anti -wind anti -seismic performance is good, and its novel structure beautifully can regard as city terrestrial reference building simultaneously.
Description
Technical field
This utility model relates to the Half-through Steel Truss of bridge bridge alternatives design field, and a kind of Y shape being applicable to below span 200m divides the triangle steel truss bridge of limb.
Background technology
Conventional steel truss bridge is widely used in highway, railroad bridge construction, is the bridge structure that a kind of span ability is the strongest.Since over half a century, China has built a large amount of steel truss girder bridge, and this bridge type occupies critical role in bridge steel structure.On the premise of Urban Bridge Construction now, the aesthetic feeling of building is the most extremely important；Big the most classical, single due to its version across truss bridge, it tends to be difficult to the requirement to Bridges.Simultaneously for crossing T-shaped in city, upper island road, earth clearance specific construction condition such as limited grade, conventional steel truss bridge is difficult to be applicable to these situations, generally requires the polymorphic structure using fork.Based on classical steel truss girder bridge, it is proposed that a kind of below span 200m that is applicable to, planar design is that Y-shaped divides limb, Facade form Half-through Steel Truss triangular in shape, i.e. a kind of steel truss girder remodeling；The solution of a kind of preferable bridge type is provided for the Urban Bridge Construction in the case of above-mentioned.
Utility model content
The purpose of this utility model, is the triangle steel truss bridge providing a kind of Y shape being applicable to below span 200m to divide limb, and its planar design is that Y-shaped divides limb, and Facade form is triangular in shape.
This utility model solves the solution of its technical problem: a kind of Y shape divides the triangle steel truss bridge of limb, it is spliced to form truss one and two that cross section is triangle or open trapezoid respectively by purlin sheet two by two panels purlin sheet one by the peaceful connection of indulging of crossbeam including one, crossbeam, form, after flat vertical connection and the splicing of limit longeron, the truss two that cross section is L-shaped, the bridge main beam that one end of described truss one and two truss two are constituted after crossing, the purlin height highest point that summit is bridge main beam of the intersection of truss one and two described truss two, described bridge main beam is spatially overall in a tripod, bridge main beam plane is Y-shaped, two described truss two are spliced into main couple V-shaped in the bridge main beam of Y-shaped and divide limb part.
nullFurther improvement as technique scheme，Described purlin sheet one includes purlin sheet one top boom and purlin sheet one lower boom，Purlin sheet one montant and purlin sheet one brace it is disposed with between described purlin sheet one top boom and purlin sheet one lower boom，The vertical connection of crossbeam peace in described truss one is between sheet one lower boom of two panels purlin，Described purlin sheet two includes purlin sheet two top boom and purlin sheet two lower boom，Purlin sheet two montant and purlin sheet two brace it is disposed with between described purlin sheet two top boom and purlin sheet two lower boom，The vertical connection of crossbeam peace in described truss two is between limit longeron and purlin sheet two lower boom，Lay respectively at the V-shaped inner space being distributed between two panels truss two of the limit longeron in two panels truss two，The upper surface of described crossbeam is equipped with bridge floor，The sheet one lower boom docking of sheet two lower boom purlin adjacent thereto, described purlin，The sheet one top boom docking of sheet two top boom purlin adjacent thereto, described purlin.
Further improvement as technique scheme, being positioned at rear triangle or truss one steelframe of open trapezoid coplanar with purlin sheet one montant in two panels purlin sheet one respectively of the crossbeam in described truss one, described truss one steelframe connects and composes truss one by purlin sheet one top boom, purlin sheet one lower boom and middle longeron；Being positioned at the crossbeam in same described truss two and the coplanar rear composition L-shaped steelframe of purlin sheet two montant, described L-shaped steelframe connects and composes truss two by purlin sheet two top boom, purlin sheet two lower boom and limit longeron.
As the further improvement of technique scheme, it is positioned at described truss one and is connected by connecting rod between truss with the top of the two panels purlin sheet one of the intersection of truss two.
Further as technique scheme is improved, and the plane included angle between the longeron of limit in truss two described in two panels is 50 ~ 70 °, and the plane included angle between described truss one lower boom and its adjacent truss two lower boom is 150 ~ 160 °.
Further improvement as technique scheme, the cross section of described purlin sheet one lower boom, purlin sheet one top boom, purlin sheet two lower boom and purlin sheet two top boom is parallelogram, and the cross section of described crossbeam, purlin sheet one montant, purlin sheet one brace, purlin sheet two montant and purlin sheet two brace is box section or H-shaped cross section.
As the further improvement of technique scheme, the lower surface of described truss one and two panels truss two is separately installed with substructure.
The beneficial effects of the utility model are:
(1) on the premise of ensureing relatively Great span ability, in this utility model, the following structural thickness of bridge type bridge floor (road surface is to the thickness at the bottom of beam) is less；It is simultaneously spatially in Bifurcation Structure, for there being headroom to limit, and the special city construction condition such as the upper island road of right-in and right-out, T-shaped intersection, the bridge type of this motion has superiority relative to other types beam bridge.
(2) bridge main beam uses the structure of tripod type, and structure integral rigidity is big, and wind resistance anti-seismic performance is good.Particularly this bridge type is when People's Bank of China's bridge, can be prevented effectively from greatly across the problem of overpass insufficient rigidity.
(3) this motion bridge-type structure novel form, handsome in appearance, can be conducive to promoting city image as landmark-type building.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model rather than whole embodiment, and those skilled in the art is not on the premise of paying creative work, it is also possible to obtain other designs and accompanying drawing according to these accompanying drawings.
Fig. 1 is side view of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 be A-A to sectional view；
Fig. 4 be B-B to sectional view；
Fig. 5 is graphics of the present utility model；
Fig. 6 is the elevation of purlin sheet one；
Fig. 7 is the elevation of purlin sheet two.
Detailed description of the invention
Below with reference to embodiment and accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is clearly and completely described, to be completely understood by the purpose of this utility model, feature and effect.Obviously; described embodiment is a part of embodiment of the present utility model rather than whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art is obtained on the premise of not paying creative work, belong to the scope of this utility model protection.It addition, all connection/annexations being previously mentioned in literary composition, the most singly refer to that component directly connects, and refer to couple auxiliary according to being embodied as situation by adding or reducing, form more excellent draw bail.
With reference to Fig. 1～Fig. 7, a kind of Y shape divides the triangle steel truss bridge of limb, it is spliced to form truss 1 and two that cross section is triangle or open trapezoid respectively by purlin sheet 2 24 by two panels purlin sheet 1 by the vertical connection 4 of crossbeam 8 peace including one, crossbeam 8, form, after flat vertical connection 4 and limit longeron 5 splicing, the truss 22 that cross section is L-shaped, the bridge main beam that one end of described truss 1 and two panels truss 22 are constituted after crossing, the summit of the intersection of truss 22 described in truss 1 and two panels is the purlin height highest point of bridge main beam, described bridge main beam is spatially overall in a tripod, bridge main beam plane is Y-shaped, truss 22 described in two panels is spliced into main couple V-shaped in the bridge main beam of Y-shaped and divides limb part.
nullIt is further used as preferred embodiment，Described purlin sheet 1 includes purlin sheet one top boom 10 and purlin sheet one lower boom 13，Purlin sheet one montant 12 and purlin sheet one brace 11 it is disposed with between described purlin sheet one top boom 10 and purlin sheet one lower boom 13，The vertical connection 4 of crossbeam 8 peace in described truss 1 is between two panels purlin sheet one lower boom 13，Described purlin sheet 2 24 includes purlin sheet two top boom 20 and purlin sheet two lower boom 23，Purlin sheet two montant 22 and purlin sheet two brace 21 it is disposed with between described purlin sheet two top boom 20 and purlin sheet two lower boom 23，The vertical connection 4 of crossbeam 8 peace in described truss 22 is between limit longeron 5 and purlin sheet two lower boom 23，Lay respectively at the V-shaped inner space being distributed between two panels truss 22 of the limit longeron 5 in two panels truss 22，The upper surface of described crossbeam 8 is equipped with bridge floor 7，Sheet two lower boom 23 purlin adjacent thereto, described purlin sheet one lower boom 13 docks，Sheet two top boom 20 purlin adjacent thereto, described purlin sheet one top boom 10 docks.
It is further used as preferred embodiment, being positioned at rear triangle or truss one steelframe of open trapezoid coplanar with purlin sheet one montant 12 in two panels purlin sheet 1 respectively of the crossbeam 8 in described truss 1, described truss one steelframe connects and composes truss 1 by purlin sheet one top boom 10, purlin sheet one lower boom 13 and middle longeron 6；Being positioned at the crossbeam 8 in same described truss 22 and the coplanar rear composition L-shaped steelframe of purlin sheet two montant 24, described L-shaped steelframe connects and composes truss 22 by purlin sheet two top boom 20, purlin sheet two lower boom 23 and limit longeron 5.
It is further used as preferred embodiment, being positioned at the cross section triangularity that the top of described truss 1 and the two panels purlin sheet 1 of the intersection of truss 22 is become in the intersection of truss 1 with truss 22 by truss after connecting rod is connected between truss 1, in truss 1, the cross section of remaining position is the triangular section that upper end is uncovered.
In transverse section, sheet 1 introversion of two panels purlin, see accompanying drawing 4, triangle or open trapezoid section；Bridge floor 7 is supported on crossbeam 8, and crossbeam 8 is connected with purlin sheet one lower boom 13, and the force path of this section of load is: sheet one lower boom 13 → purlin, bridge floor 7 → crossbeam 8 → purlin sheet one 14 → substructure.Girder divides limb section (see accompanying drawing 3), and crossbeam 8 semi-cantilever is connected on purlin sheet 2 24, constitutes a L-shaped section.This section of crossbeam 8 is coplanar with purlin sheet two montant 22, constitutes a series of L-shaped steelframe not of uniform size, and these steelframes are then coupled together by purlin sheet two lower boom 23 and limit longeron 5, collectively form main couple V-shaped in the bridge main beam of Y-shaped and divide limb part.The force path of this section of load is: bridge floor 7 → crossbeam 8 → purlin sheet two lower boom 23 and longeron 5 → purlin, limit sheet 2 24 → substructure.
Being further used as preferred embodiment, the plane included angle between limit longeron 5 in truss 22 described in two panels is 50 ~ 70 °, it is preferable that the plane included angle between limit longeron 5 in two panels truss 22 is 60 °；Plane included angle between described truss 1 lower boom and its adjacent truss 22 lower boom is 150 ~ 160 °, it is preferable that the plane included angle between truss 1 lower boom and its adjacent truss 22 lower boom is 153 °.
It is further used as preferred embodiment, the cross section of described purlin sheet one lower boom 13, purlin sheet one top boom 10, purlin sheet two lower boom 23 and purlin sheet two top boom 20 is parallelogram, and the cross section of described crossbeam 8, purlin sheet one montant 12, purlin sheet one brace 11, purlin sheet two montant 22 and purlin sheet two brace 21 is box section or H-shaped cross section.
Bridge-type structure system in this utility model can use one across freely-supported trusses or two kinds of basic structure systems of two Span Continuous trusses.In addition when arranging the structural system that middle pier uses two Span Continuous, purlin sheet one brace 11 and purlin sheet two brace 21 are pull bar, and then stayed structure can be made, and optimize Internal Force of Truss distribution by adjusting Suo Li, whole bridge becomes truss-drag-line combined system further.These structural systems the most all have pluses and minuses, typically consider the many factors such as construction costs, structure stress, under-clearance during specific design, and Integrated comparative is to determine optimum structure system.This motion trusses bar cross section type can take various forms.Except in view of good looking appearance, chord member is proposed with outside parallelogram section, other components can use box, H type or the cross section of other forms.Main beam member connected mode can use all welded type, it would however also be possible to employ high-strength bolt connects.Bridge floor 7 structure can use separate type Orthotropic Steel Bridge Deck, plate girder formula Orthotropic Steel Bridge Deck, the version of steel-concrete composite beams.During Specific construction, the multiple construction method constructions such as full framing, pushing tow, cantilever lifting can be used according to conditions such as site traffic transports.Diversified selection is provided for Bridge Design, workmen.
Being further used as preferred embodiment, the lower surface of described truss 1 and two panels truss 22 is separately installed with substructure 3.
The following is the preferred embodiment of this utility model:
This bridge is the bridge of the Zhong Shang island road in a city, and its major function is to connect certain Binjiang Road and certain island.This bridge bridge type is the half through triangle steel truss simply supported girder bridge that Y shape divides limb, in side, city, fork is two limbs, span is 155m, high 0 ~ the 18m in purlin, whole bridge plane is in " Y-shaped ", bridge floor 7 uses orthotropic plate to lay bridge floor 7, and design bridge floor 7 width is Ce Liang tracks, 7.8 ~ 15.6m(island), 2 bicycle roads of side, 4.4m(city).Main truss uses " N-type " truss, and the purlin sheet that truss is uprised by 4 trianglees forms, wherein two panels purlin sheet 1 and two panels purlin sheet 2 24, and truss panel length is 8.88m.Main couple divides the angle of two points of limbs in limb part to be 60 °, and the angle of cut that main couple divides limb part and main couple not to divide limb part lower boom is 153 °.Triangular truss summit is golden section proportion 1:0.618 to two fulcrum span ratios.
Purlin sheet one top boom 10, purlin sheet two top boom 20, purlin sheet one lower boom 13, purlin sheet two lower boom 23, purlin sheet one montant 12, purlin sheet two montant 22, purlin sheet one brace 11, purlin sheet two brace 21 and limit longeron 5 component use box section；Flat vertical connection 4, middle longeron 6 and crossbeam 8 use H type section.Chord member uses Q500qENH steel, and rod member height 1910mm, the wide 1207mm of purlin sheet one top boom 10 and purlin sheet two top boom 20, for box beam parallelogram section；Cross section brace angle is consistent with purlin sheet introversion angle, is 68.3 °, thickness of slab 36 ~ 54mm.Rod member height 2047mm, the wide 1225mm of purlin sheet one lower boom 13 and purlin sheet two lower boom 23, for box beam parallelogram section；Chord member thickness of slab 28 ~ 50mm.Bridge uses monoblock type entirely to weld node, and i.e. every section upper and lower chord member is a prefabricated node, purlin sheet one lower boom 13 and the every segment length 8875mm of purlin sheet two lower boom 23, the every segment length 8892mm of purlin sheet one top boom 10, the every segment length 8912mm of purlin sheet two top boom 20.Purlin sheet one montant 12 and purlin sheet two montant 22 use Q420qE steel, box section, high 1138mm, wide 666mm, thickness of slab 18mm, montant length 3590mm ~ 16966mm.Purlin sheet one brace 11 and purlin sheet two brace 21 use Q420qE steel, box section, high 1138mm, wide 450mm, thickness of slab 18mm, brace length 10350mm ~ 19959mm.Limit longeron 59 uses Q420qE steel, box section, high 1599 ~ 1687mm, wide 888mm, thickness of slab 16 ~ 24mm, designs by flexural member, every segmental length 8891mm.The pressurized plate of all box-type section rod members is respectively provided with and the ribbed stiffener of motherboard uniform thickness.Being disposed with limit longeron 5 between crossbeam 8 in truss 1, its section is H type section, deck-molding 1471mm, edge of a wing width 600mm, thick 32mm.Crossbeam 8 is H type section, and deck-molding 1299 ~ 1617mm is changed by deck-molding and arranges horizontal wall inscription, edge of a wing width 800mm, thick 32mm.Longeron 6 and purlin sheet two lower boom 23 node in the connection of flat vertical connection 4, use N row to arrange.Flat vertical connection 4 cross sections are high 500mm, edge of a wing width 650mm, the H type cross section of thick 28mm.Flat vertical connection 4, middle longeron 6 and crossbeam 8 all use Q370qE steel.Bridge floor 7 uses orthotropic plate bridge deck, uses U-shaped ribbed stiffener, Q370qE steel, floorings thickness 16mm.Deck paving is 5.5cm bituminous epoxy concrete.
Bridge pier is the board-like pier of thin-walled, uses rectangular cross section.Single row pillars basis, uses and bores (punching) hole pouring pile, and stake footpath is 1.2m.Cushion cap is four pile framings and eight pile framings.Different according to stake footpath, the thickness of cushion cap is the most different, stake footpath be the thickness of 120cm cushion cap be 1.6m, stake footpath be the thickness of 180cm cushion cap be 2.4m.Pile foundation uses cast-in-situ bored pile or Punching Borehole Cast-in-place Concrete Pile, and diameter has 120 and 180cm two kinds, and bearing capacity of single pile is respectively 4500kN, 11000kN.Average stake is about 40m.
It is embodied as step as follows:
(1) substructure 3 using inserted to play steel pile casting erection construction platform to complete girder is constructed.
(2) truss prefabrication part-structure is transported to on-the-spot interim platform for lining, carries out the Site Welding of prefabricated section.
(3) bridge floor sets up crane walking passageway, and bridge steel structure is installed from side to opposite side order with crane walking, sets up temporary support in river course simultaneously, and temporary support synchronizes to set up along with bridge steel structure installation progress.
(4) complete main couple to install, Site Welding Orthotropic Steel Bridge Deck.
(5) lay deck paving, affiliated facility is installed.
It is above better embodiment of the present utility model is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement on the premise of this utility model spirit, and modification or the replacement of these equivalents are all contained in the application claim limited range.
Claims (7)
1. a Y shape divides the triangle steel truss bridge of limb, it is characterized in that: include that one is spliced to form truss one and two that cross section is triangle or open trapezoid respectively by purlin sheet two by two panels purlin sheet one by the peaceful connection of indulging of crossbeam, crossbeam, form, after flat vertical connection and the splicing of limit longeron, the truss two that cross section is L-shaped, the bridge main beam that one end of described truss one and two truss two are constituted after crossing, the purlin height highest point that summit is bridge main beam of the intersection of truss one and two described truss two, described bridge main beam is spatially overall in a tripod, bridge main beam plane is Y-shaped, two described truss two are spliced into main couple V-shaped in the bridge main beam of Y-shaped and divide limb part.
nullY shape the most according to claim 1 divides the triangle steel truss bridge of limb，It is characterized in that: described purlin sheet one includes purlin sheet one top boom and purlin sheet one lower boom，Purlin sheet one montant and purlin sheet one brace it is disposed with between described purlin sheet one top boom and purlin sheet one lower boom，The vertical connection of crossbeam peace in described truss one is between sheet one lower boom of two panels purlin，Described purlin sheet two includes purlin sheet two top boom and purlin sheet two lower boom，Purlin sheet two montant and purlin sheet two brace it is disposed with between described purlin sheet two top boom and purlin sheet two lower boom，The vertical connection of crossbeam peace in described truss two is between limit longeron and purlin sheet two lower boom，Lay respectively at the V-shaped inner space being distributed between two panels truss two of the limit longeron in two panels truss two，The upper surface of described crossbeam is equipped with bridge floor，The sheet one lower boom docking of sheet two lower boom purlin adjacent thereto, described purlin，The sheet one top boom docking of sheet two top boom purlin adjacent thereto, described purlin.
Y shape the most according to claim 2 divides the triangle steel truss bridge of limb, it is characterized in that: being positioned at rear triangle or truss one steelframe of open trapezoid coplanar with purlin sheet one montant in two panels purlin sheet one respectively of the crossbeam in described truss one, described truss one steelframe connects and composes truss one by purlin sheet one top boom, purlin sheet one lower boom and middle longeron；Being positioned at the crossbeam in same described truss two and the coplanar rear composition L-shaped steelframe of purlin sheet two montant, described L-shaped steelframe connects and composes truss two by purlin sheet two top boom, purlin sheet two lower boom and limit longeron.
4. the triangle steel truss bridge of limb is divided according to the Y shape described in Claims 2 or 3, it is characterised in that: it is positioned at described truss one and is connected by connecting rod between truss with the top of the two panels purlin sheet one of the intersection of truss two.
Y shape the most according to claim 1 and 2 divides the triangle steel truss bridge of limb, it is characterized in that: the plane included angle between the longeron of limit in truss two described in two panels is 50 ~ 70 °, the plane included angle between described truss one lower boom and its adjacent truss two lower boom is 150 ~ 160 °.
Y shape the most according to claim 2 divides the triangle steel truss bridge of limb, it is characterized in that: the cross section of described purlin sheet one lower boom, purlin sheet one top boom, purlin sheet two lower boom and purlin sheet two top boom is parallelogram, the cross section of described crossbeam, purlin sheet one montant, purlin sheet one brace, purlin sheet two montant and purlin sheet two brace is box section or H-shaped cross section.
Y shape the most according to claim 1 divides the triangle steel truss bridge of limb, it is characterised in that: the lower surface of described truss one and two panels truss two is separately installed with substructure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620279938.6U CN205636467U (en) | 2016-04-06 | 2016-04-06 | Triangle -shaped steel truss bridge of limb is divided to Y shape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620279938.6U CN205636467U (en) | 2016-04-06 | 2016-04-06 | Triangle -shaped steel truss bridge of limb is divided to Y shape |
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| CN205636467U true CN205636467U (en) | 2016-10-12 |
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| CN201620279938.6U Withdrawn - After Issue CN205636467U (en) | 2016-04-06 | 2016-04-06 | Triangle -shaped steel truss bridge of limb is divided to Y shape |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755945A (en) * | 2016-04-06 | 2016-07-13 | 广州市市政工程设计研究总院 | Y-shaped triangular steel truss beam bridge |
-
2016
- 2016-04-06 CN CN201620279938.6U patent/CN205636467U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755945A (en) * | 2016-04-06 | 2016-07-13 | 广州市市政工程设计研究总院 | Y-shaped triangular steel truss beam bridge |
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Granted publication date: 20161012 Effective date of abandoning: 20170613 |
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| AV01 | Patent right actively abandoned |