CN206359842U - Room formula access bridge and combinations thereof formula viaduct - Google Patents
Room formula access bridge and combinations thereof formula viaduct Download PDFInfo
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- CN206359842U CN206359842U CN201621292909.XU CN201621292909U CN206359842U CN 206359842 U CN206359842 U CN 206359842U CN 201621292909 U CN201621292909 U CN 201621292909U CN 206359842 U CN206359842 U CN 206359842U
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- bridge
- formula
- arch
- access bridge
- reversed beam
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Abstract
The utility model is related to traffic bridge technical field of buildings, particularly room formula access bridge and combinations thereof formula city arch steel structure viaduct.Including main bridge and access bridge, the access bridge includes access bridge road surface and room formula supporting mechanism, and access bridge road surface bottom sets multiple room formula supporting mechanisms, and room formula supporting mechanism is arranged side by side, and room formula supporting mechanism is made up of eaves, house beam and wall.Host bridge includes arch steel structure reversed beam, cambered road panel, bridge post and bridge pier, the arch steel structure reversed beam includes reversed beam interior lining panel, reversed beam arch sheet, reversed beam curtain plate and crossbeam, the utility model has used for reference building building technology, works out room formula access bridge and combinations thereof formula viaduct.Stake fixed bridge body of digging a well is no longer rely on using room formula access bridge structure, no longer needs to carry out full width or half range road closure when building access bridge, improves road passage capability, construction congestion is greatly decreased.Room formula access bridge can increase prefabricated jacking pocket under access bridge stability, bridge pier in the prefabricated rear hoisting transportation in building site to construction ground by amplifying pin, padded with the easy jack-up of jack when pier sinking or position adjustments.Pontic safety is effectively ensured, is particularly suitable for yellow soil horizon of collapsibility and uses.
Description
Technical field
The utility model is related to traffic bridge technical field of buildings, particularly room formula access bridge and combinations thereof formula viaduct.
Background technology
Increase year by year with the car ownership in each city, congestion in road difficulty of governance and town road build pressure by
The setting link such as subway, elevated overpass urban traffic pressure is all being built in year aggravation, many cities, by facts have proved laying
Elevated overpass is to administer one of traffic above-ground congestion best bet, but a lot of reasons governs building for urban interchange
Make, trace it to its cause in terms of mainly including following four：
1st, building viaduct needs to carry out full width or half range road closure, and road closure generally requires the 1-2 years, and narrow road surface is made
Into vehicle pass-through inconvenience, declined by efficiency and be further exacerbated by congestion.
2nd, viaduct is bulky, to realize that three-dimensional multi-direction current often design-build draws with more number over long distances
Bridge, the distance of access bridge is long not only to hinder the appearance of the city, and seriously increases the engineering time.
3rd, construction viaduct needs stake of digging a well in advance, and well stake quantity is more close, it is easy to supplying water, firing below urban road
Gas, communication pipes intersect, and construction environment complex jamming is more, easily damages other pipelines, further increase difficulty of construction and time.
4th, single bridge investment generally requires several ten million yuan, and its access bridge construction accounts for the 70% of total operating expenses, high cost cost
Greatly.
Utility model content
The utility model solves the deficiencies in the prior art and provides a kind of room formula that construction is quick, with low cost, combination is various
Access bridge and combinations thereof formula city arch steel structure viaduct.
The utility model solve technical scheme that its technical problem used for：
Room formula access bridge and combinations thereof formula viaduct, including main bridge and access bridge, the access bridge include access bridge road surface and room formula branch
Support mechanism, access bridge road surface bottom sets multiple room formula supporting mechanisms, and room formula supporting mechanism is made up of eaves, house beam and wall.
Host bridge includes arch steel structure reversed beam, cambered road panel, bridge post and bridge pier, the arch steel structure reversed beam bag
Reversed beam interior lining panel, reversed beam arch sheet, reversed beam curtain plate and crossbeam are included, provided with upper between the reversed beam interior lining panel and reversed beam curtain plate
Horizontal reinforcing plates, lower horizontal reinforcing plates and vertical reinforcing plates, the reversed beam arch sheet two ends are located on small tension board and form arch,
Connected between reversed beam arch sheet by big tension board, big tension board top is by supporting transverse slat and support riser and cambered road panel
Connection, big tension board bottom is connected with crossbeam, and bridge pier connecting plate, adjacent crossbeam are provided between adjacent arch steel structure reversed beam
It is provided with lateral connection bolt and longitudinally connected bolt.
It is provided between the room formula supporting mechanism on centre gangway, wall and opens up import and export, passway respectively, is imported and exported logical
Passway is crossed to connect with centre gangway；Wall bottom sets wall to amplify pin；Eaves sidepiece connects reinforcing bar provided with eaves end face, leads to
Cross welding eaves end face connection reinforcing bar both sides eaves link into an integrated entity, wall amplification pin sidepiece connects reinforcing bar provided with amplification pin,
Wall amplification pin in both sides is linked into an integrated entity by amplifying pin connection reinforcing bar；Room formula supporting mechanism is provided with electric wire through-hole and lifting
Hole.
Access bridge road surface both sides set crash barrier and mounting seat, and mounting seat is provided with guard rail, and access bridge road surface is provided with
Expansion joint.
Expansion bend is provided between the arch steel structure reversed beam and bridge post, the expansion bend support block support of expansion bend upper end is horizontal
Beam, bridge post is connected by bridge post base and bridge pier.
The arch steel structure reversed beam top is provided with lifting suspension ring, and arch steel structure reversed beam bottom is provided with multiple bridge posts and bridge
Pier, bridge pier, which is provided between jacking pocket, bridge post, sets oblique pull support frame and pontic bridge intercolumniation gap jacking pocket.
Also include snow canopy, snow canopy includes carriage, supporting sleeve, crossbeam and arch capplce, supporting sleeve by carriage and
Crossbeam links into an integrated entity, insertion canopy post in supporting sleeve, fixing screws locking canopy post and supporting sleeve, carriage top connection arch
Shape capplce and snow refractory slab, arch capplce and snow refractory slab are fixed by rivet, and upper pillar stand is set between carriage and arch capplce, is propped up
Lower pillar stand and carriage inclined support bar are set between support frame and crossbeam.
The arch capplce, which is provided between canopy eaves inclined strut and canopy eaves horizontal strut, canopy post, is provided with snow board and handrail.
Also include snow net, snow net includes arch grid structure and tread plate, arch grid structure splicing waviness net, arch grid structure
Top is provided with many tread plates.
The utility model has the beneficial effect that：
1st, the utility model has used for reference building building technology, works out room formula access bridge and combinations thereof formula viaduct.Using room
Formula access bridge structure is no longer rely on stake fixed bridge body of digging a well, and no longer needs to carry out full width or half range road closure when building access bridge, typically needs
Take 7 days.Road passage capability is improved, construction congestion is greatly decreased.Room formula access bridge can be in the prefabricated rear hoisting transportation in building site to applying
Building site, increases prefabricated jacking pocket under access bridge stability, bridge pier, when pier sinking or position adjustments with thousand by amplifying pin
The easy jack-up in jin top is padded.Pontic safety is effectively ensured, is particularly suitable for yellow soil horizon of collapsibility and uses.
2nd, necessarily Long span is constructed for the realization left-hand bend that arch steel structure reversed beam can be both economical, thick reducing pontic
The length of access bridge is shortened while degree, deadweight, the pontic slope control that connects is 8%.Reduce bridge floor stress torque, so can
Reach that pontic is not thick, across footpath is big, from heavy and light, eliminate build the conventional well-digging stake of viaduct on this basis.According to pressure etc.
In pressure divided by compression area formula, on the basis of existing bituminous paving bears automobile pressure, overstriking bridge pier and set up amplification
Pin, and at the envisaged underneath reparation special jack seat of bridge pier, when setting of ground, can jack-up bridge pier it is padded, tiltedly
Top can also be shifted, and this is to administer the best approach without well stake viaduct disadvantage.The approximate rainbow of shape of arch viaduct is graceful beautiful
See, set up the functional parts such as protective plate, sound panel, can also be publicized as advertisement position, can more be formed by the viaduct dressed up
One of city landscape.
3rd, bridge construction is no longer rely on stake of digging a well, and construction is greatly reduced with engineering equipment, and construction costs is greatly reduced, constructed
Technical threshold is reduced, can it is prefabricated, can lift, installs soon, can move, it is shockproof all right, can be greatly lowered and invest and the duration.Room
It can also make storehouse, switchgear house, office etc. in son, just in case there is setting of ground, can be padded with jack-up house.Underground piping has
During problem, mobile trenchless rehabilitation can be removed at any time.
4th, Xue Peng ensure that northern area winter driving safety, and snow canopy has preferably blocked sleet, and the gradient of viaduct is carried
10% is risen, the length of access bridge can shorten, fault-tolerant amount increase of designing and constructing.Snow net is further set up simultaneously, road surface is effectively prevent
Frost zone is formed by rolling repeatedly for automobile, pre- anti-slip.
Particular technique parameter is as follows in summary：
1st, construction-time significantly shortens, and round-the-clock job is about once that can complete pontic construction week.
2nd, operating expenses reduces 70%.
3rd, track quantity can be built as needed.
4th, the main gradient 8%, is easy to vehicle pass-through and construction needs, and shorten access bridge length.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 for Fig. 1 A-A to schematic diagram；
Fig. 3 is Fig. 1 B-B direction schematic diagram；
Fig. 4 for Fig. 2 C-C to schematic diagram；
Fig. 5 is snow booth structure schematic diagram；
Fig. 6 is snow canopy side view；
Fig. 7 is Fig. 6 partial enlarged drawings；
Fig. 8 is snow web frame schematic diagram.
In figure：1st, reversed beam interior lining panel 2, reversed beam arch sheet 3, small tension board 4, upper horizontal reinforcing plates 5, lower horizontal reinforcing plates 6,
Vertical reinforcing plates 7, reversed beam curtain plate 8, big tension board 9, support transverse slat 10, support portrait 11, cambered road panel 12, crossbeam 13,
Expansion bend support block 14, expansion bend 15, bridge post 16, bridge post base 17, bridge pier 18, jacking pocket 19, pontic bridge intercolumniation gap thousand
Jin footstock hole 20, oblique pull support frame 21, lateral connection bolt 22, bridge pier connecting plate 23, lifting suspension ring 24, longitudinally connected bolt
25th, guard rail 26, mounting seat；27th, crash barrier 28, eaves 29, eaves end face connection reinforcing bar 30, house beam 31, passway 32, turnover
Mouth 33, wall 34, wall amplification pin 35, electric wire through-hole 36, centre gangway 37, a repeated hole 38, amplification pin connect reinforcing bar 39, stretched
Seam 40, access bridge road surface 41, carriage 42, supporting sleeve 43, crossbeam 44, lower pillar stand 45, carriage inclined support bar 46, upper pillar stand
47th, canopy eaves inclined strut 48, canopy eaves horizontal strut 49, arch capplce 50, snow refractory slab 51, rivet 52, canopy post 53, handrail 54, gear snow
Plate 55, fixing screws 56, arch grid structure 57, tread plate.
Embodiment
Room formula access bridge and combinations thereof formula viaduct, including main bridge and access bridge, the access bridge include access bridge road surface 40 and room formula
Supporting mechanism, the bottom of access bridge road surface 40 sets multiple room formula supporting mechanisms, and room formula supporting mechanism is arranged side by side, room formula supporting mechanism
It is made up of eaves 28, house beam 30 and wall 33.Host bridge includes arch steel structure reversed beam, cambered road panel 11, the and of bridge post 15
Bridge pier 17, the arch steel structure reversed beam includes reversed beam interior lining panel 1, reversed beam arch sheet 2, reversed beam curtain plate 7 and crossbeam 12, described
Upper horizontal reinforcing plates 4, lower horizontal reinforcing plates 5 and vertical reinforcing plates 6 are provided between reversed beam interior lining panel 1 and reversed beam curtain plate 7, it is described
The two ends of reversed beam arch sheet 2, which are located on small tension board 3, forms arch, is connected between reversed beam arch sheet 2 by big tension board 8, big to draw
The top of power plate 8 is by supporting transverse slat 9 and support riser 10 to be connected with cambered road panel 11, and the big bottom of tension board 8 connects with crossbeam 12
Connect, lateral connection bolt 21 is provided with provided with bridge pier connecting plate 22, adjacent crossbeam 12 between adjacent arch steel structure reversed beam
With longitudinally connected bolt 24.
It is provided between the room formula supporting mechanism on centre gangway 36, wall 33 and opens up import and export 32, passway 31 respectively,
32 are imported and exported to connect with centre gangway 36 by passway 31；The bottom of wall 33 sets wall to amplify pin 34；The sidepiece of eaves 28 is set
There is eaves end face to connect reinforcing bar 29, both sides eaves 28 are linked into an integrated entity by welding eaves end face connection reinforcing bar 29, wall is put
The sidepiece of big foot 34 provided with amplification pin connection reinforcing bar 38, by amplify pin connect reinforcing bar 38 by both sides wall amplification pin 34 connect into one
Body；Room formula supporting mechanism is provided with electric wire through-hole 35 and plays repeated hole 37.
The both sides of access bridge road surface 40 set crash barrier 27 and mounting seat 26, and mounting seat 26 is provided with guard rail 25, access bridge
Road surface 40 is provided with expansion joint 39.
Expansion bend 14, the expansion bend support block of the upper end of expansion bend 14 are provided between the arch steel structure reversed beam and bridge post 15
13 support beams 12, bridge post 15 is connected by bridge post base 16 and bridge pier 17.
The arch steel structure reversed beam top is provided with lifting suspension ring 23, and arch steel structure reversed beam bottom is provided with multiple bridge posts 15
With bridge pier 17, bridge pier 17, which is provided between jacking pocket 18, bridge post 15, sets oblique pull support frame 20 and pontic bridge intercolumniation gap thousand
Jin footstock hole 19.
Also include snow canopy, snow canopy includes carriage 41, supporting sleeve 42, crossbeam 43 and arch capplce 49, supporting sleeve 42
Carriage 41 and crossbeam 43 are linked into an integrated entity, insertion canopy post 52 in supporting sleeve 42, fixing screws 55 lock canopy post 52 and branch
Support set pipe 42, the top of carriage 41 connection arch capplce 49 and snow refractory slab 50, arch capplce 49 and snow refractory slab 50 pass through rivet 51
It is fixed, upper pillar stand 46 is set between carriage 41 and arch capplce 49, set between carriage 41 and crossbeam 43 lower pillar stand 44 and
Carriage inclined support bar 45.
The arch capplce 49, which is provided between canopy eaves inclined strut 47 and canopy eaves horizontal strut 48, canopy post 52, is provided with snow board
54 and handrail 53.
Also include snow net, snow net includes arch grid structure 56 and tread plate 57, the splicing waviness net of arch grid structure 56, arch
The top of shape rack 56 is provided with many tread plates 57.
During construction, reversed beam interior lining panel 1, reversed beam arch sheet 2, reversed beam curtain plate 7 are integrally welded, reversed beam interior lining panel 1 and anti-
Upper horizontal reinforcing plates 4, lower horizontal reinforcing plates 5 and vertical reinforcing plates 6 are welded between beam curtain plate 7, strengthen reversed beam integrated connection strong
Degree.The two ends of reversed beam arch sheet 2 weld to be formed on small tension board 3 between arch, reversed beam arch sheet 2 to be connected by big tension board 8
Connect, the big top of tension board 8 is by supporting transverse slat 9 and support riser 10 to be welded with cambered road panel 11, and support transverse slat 9 reduces planted agent
Infringement of the power to tension board, support riser 10 causes pontic formation casing stress to be unlikely to deform, the big bottom of tension board 8 and crossbeam 12
Welding, forms complete arch girder construction.By the connection of bridge pier connecting plate 22 in one, phase between adjacent arch steel structure reversed beam
Realized on adjacent crossbeam 12 by lateral connection bolt 21 and longitudinally connected bolt 24 and be bi-directionally connected locking.
During the room formula supporting mechanism can be provided with factory or ward between prefabricated rear transport, room formula supporting mechanism
Entreat and open up import and export 32, passway 31 on passage 36, wall 33 respectively, import and export 32 and connected by passway 31 with centre gangway 36
It is logical, it is easy to personnel to enter, the later stage can be reconstructed as house or office space.The bottom of wall 33 sets wall to amplify pin 34, strengthens wall
Body stability and fastness；The sidepiece of eaves 28 connects reinforcing bar 29 provided with eaves end face, and reinforcing bar 29 is connected by welding eaves end face
Both sides eaves 28 are linked into an integrated entity, wall amplification pin 34 sidepiece connects steel provided with amplification pin connection reinforcing bar 38 by amplifying pin
Muscle 38 links into an integrated entity both sides wall amplification pin 34, and upper and lower side is fixedly connected, and ensures supporting ＆ stablizing during bad weather
Property；Room formula supporting mechanism is provided with electric wire through-hole 35 and a repeated hole 37, and convenient transhipment and later stage circuit laying debugging efforts are smooth
Carry out.
The both sides of access bridge road surface 40 are set can set up guard rail 25 in crash barrier 27 and mounting seat 26, mounting seat 26, increase
Plus safeguard protection performance, access bridge road surface 40 is provided with expansion joint 39, the bridge floor shape effectively caused by alleviation temperature Change of expansion joint 39
Become.The arch steel structure reversed beam top is provided with lifting suspension ring 23, and the segmental hoisting of room formula access bridge and the main bridge of arch, arch can be achieved
Shape steel construction reversed beam bottom is provided with multiple bridge posts 15 and bridge pier 17, and bridge pier 17 is provided with jacking pocket 18, and depression occurs for ground
When can effectively adjust oblique pull support frame 20 and pontic bridge intercolumniation gap jack are set between pier location and support angle, bridge post 15
Bore 19, gap and its support angle of the fine-tuning pontic with bridge post, realizes that various dimensions are adjusted.Avenging the supporting sleeve 42 of canopy will prop up
Support frame 41 and crossbeam 43 are integrally welded, insertion canopy post 52 in supporting sleeve 42, the locking canopy of fixing screws 55 post 52 and support set
Pipe 42, the top of carriage 41 connection arch capplce 49 and snow refractory slab 50, arch capplce 49 and snow refractory slab 50 set riveting by multiple spot
Nail 51 is fixed, and upper pillar stand 46 is welded between carriage 41 and arch capplce 49, lower pillar stand is welded between carriage 41 and crossbeam 43
44 and carriage inclined support bar 45, support frame is more stable and firm, using more safe and reliable under wind and snow environment.The arch
Capplce 49 is provided with canopy eaves inclined strut 47 and canopy eaves horizontal strut 48, lifts canopy eaves wind resistance, and reduction inadvertently falls off event hair
It is raw.Heavy snow weather is run into, the splicing waviness net of arch grid structure 54 realizes Multi-contact with road surface, lifts non-skid property, arch
Frame mode sleet is rolled to form frost zone, many tread plates 57 of the upper weld of arch grid structure 56, lifts vehicle driving safety
Property.
Claims (9)
1. room formula access bridge and combinations thereof formula viaduct, including main bridge and access bridge, it is characterised in that the access bridge includes access bridge road surface
(40) and room formula supporting mechanism, access bridge road surface (40) bottom sets multiple room formula supporting mechanisms, and room formula supporting mechanism is by eaves
(28), house beam (30) and wall (33) composition.
2. formula access bridge in room according to claim 1 and combinations thereof formula viaduct, it is characterised in that host bridge includes arch
Steel construction reversed beam, cambered road panel (11), bridge post (15) and bridge pier (17), the arch steel structure reversed beam include reversed beam interior lining panel
(1), reversed beam arch sheet (2), reversed beam curtain plate (7) and crossbeam (12), the reversed beam interior lining panel (1) and reversed beam curtain plate (7) it
Between be provided with upper horizontal reinforcing plates (4), lower horizontal reinforcing plates (5) and vertical reinforcing plates (6), reversed beam arch sheet (2) two ends are set
Formed on small tension board (3) between arch, reversed beam arch sheet (2) by big tension board (8) connection, big tension board (8) top
By supporting transverse slat (9) and support riser (10) to be connected with cambered road panel (11), big tension board (8) bottom connects with crossbeam (12)
Connect, lateral connection spiral shell is provided with provided with bridge pier connecting plate (22), adjacent crossbeam (12) between adjacent arch steel structure reversed beam
Bolt (21) and longitudinally connected bolt (24).
3. formula access bridge in room according to claim 1 or 2 and combinations thereof formula viaduct, it is characterised in that the room formula supports machine
It is provided between structure on centre gangway (36), wall (33) and opens up import and export (32), passway (31) respectively, is imported and exported (32) and lead to
Passway (31) is crossed to connect with centre gangway (36)；Wall (33) bottom sets wall to amplify pin (34)；Eaves (28) sidepiece is set
There is eaves end face to connect reinforcing bar (29), both sides eaves (28) linked into an integrated entity by welding eaves end face connection reinforcing bar (29),
Wall amplification pin (34) sidepiece is amplified both sides wall by amplifying pin connection reinforcing bar (38) provided with amplification pin connection reinforcing bar (38)
Pin (34) links into an integrated entity；Room formula supporting mechanism is provided with electric wire through-hole (35) and plays repeated hole (37).
4. formula access bridge in room according to claim 3 and combinations thereof formula viaduct, it is characterised in that the access bridge road surface (40)
Both sides set crash barrier (27) and mounting seat (26), and mounting seat (26) is provided with guard rail (25), and access bridge road surface (40) are provided with
Expansion joint (39).
5. formula access bridge in room according to claim 2 and combinations thereof formula viaduct, it is characterised in that the arch steel structure is anti-
Provided with expansion bend (14) between beam and bridge post (15), expansion bend support block (13) support beam (12) of expansion bend (14) upper end,
Bridge post (15) is connected by bridge post base (16) and bridge pier (17).
6. formula access bridge in room according to claim 2 and combinations thereof formula viaduct, it is characterised in that the arch steel structure is anti-
Beam top is provided with lifting suspension ring (23), and arch steel structure reversed beam bottom is provided with multiple bridge posts (15) and bridge pier (17), bridge pier (17)
It is provided between jacking pocket (18), bridge post (15) and oblique pull support frame (20) and pontic bridge intercolumniation gap jacking pocket is set
(19)。
7. formula access bridge in room according to claim 2 and combinations thereof formula viaduct, it is characterised in that also including snow canopy, Xue Pengbao
Include carriage (41), supporting sleeve (42), crossbeam (43) and arch capplce (49), supporting sleeve (42) is by carriage (41) and horizontal stroke
Beam (43) links into an integrated entity, insertion canopy post (52) in supporting sleeve (42), fixing screws (55) locking canopy post (52) and support set
Manage (42), carriage (41) top connection arch capplce (49) and snow refractory slab (50), arch capplce (49) and snow refractory slab (50) lead to
Cross rivet (51) fixed, upper pillar stand (46), carriage (41) and crossbeam are set between carriage (41) and arch capplce (49)
(43) lower pillar stand (44) and carriage inclined support bar (45) are set between.
8. formula access bridge in room according to claim 7 and combinations thereof formula viaduct, it is characterised in that the arch capplce (49)
It is provided between canopy eaves inclined strut (47) and canopy eaves horizontal strut (48), canopy post (52) and is provided with snow board (54) and handrail (53).
9. formula access bridge in room according to claim 2 and combinations thereof formula viaduct, it is characterised in that also including snow net, snow net bag
Arch grid structure (56) and tread plate (57) are included, arch grid structure (56) splices waviness net, and arch grid structure (56) top is provided with more
Root tread plate (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292909.XU CN206359842U (en) | 2016-11-29 | 2016-11-29 | Room formula access bridge and combinations thereof formula viaduct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292909.XU CN206359842U (en) | 2016-11-29 | 2016-11-29 | Room formula access bridge and combinations thereof formula viaduct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206359842U true CN206359842U (en) | 2017-07-28 |
Family
ID=59371742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621292909.XU Withdrawn - After Issue CN206359842U (en) | 2016-11-29 | 2016-11-29 | Room formula access bridge and combinations thereof formula viaduct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206359842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436516A (en) * | 2016-11-29 | 2017-02-22 | 王爱民 | House type approach bridge and approach bridge combined interchange |
-
2016
- 2016-11-29 CN CN201621292909.XU patent/CN206359842U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436516A (en) * | 2016-11-29 | 2017-02-22 | 王爱民 | House type approach bridge and approach bridge combined interchange |
| CN106436516B (en) * | 2016-11-29 | 2018-10-09 | 王爱民 | Room formula access bridge and combinations thereof formula viaduct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170728 Effective date of abandoning: 20181009 |
|
| AV01 | Patent right actively abandoned |