CN202144579U - Steel frame for supporting arched curve ramp bridge girder along cross bridge direction - Google Patents
Steel frame for supporting arched curve ramp bridge girder along cross bridge direction Download PDFInfo
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- CN202144579U CN202144579U CN201120233322U CN201120233322U CN202144579U CN 202144579 U CN202144579 U CN 202144579U CN 201120233322 U CN201120233322 U CN 201120233322U CN 201120233322 U CN201120233322 U CN 201120233322U CN 202144579 U CN202144579 U CN 202144579U
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Abstract
The utility model relates to a steel frame for supporting an arched curve ramp bridge girder along a cross bridge direction. The steel frame comprises two main steel members, six steel anchor rods, two jack supports and four jack support inclined struts, wherein each main steel member consists of a cross beam, two brackets and four bracket inclined struts; the two main steel member are respectively clamped into the front and rear sides of a pier bent cap; the middle sections of the cross beams of the two main steel members are respectively clung to the front and rear side surfaces of the pier bent cap, the brackets of the two main steel members are respectively clung to the left and right side surfaces of the pier bent cap; and the steel anchor rods which are tightly screwed by nuts penetrate through each pair of anchor rod holes between the cross beams of the front and rear main steel members, so that the two main steel members are integrated. One jack support is welded on the top surface of the cross beam of each main steel member. A mechanical jack can be arranged on a platform of the jack supports between a back rest and a ramp bridge girder to support the ramp bridge girder along the cross bridge direction.
Description
Technical field
The utility model relates to a kind of steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder.
Background technology
In metropolitan city, between the main road of interchange viaduct, big multi-link circular curve ramp bridge.This ramp bridge is one with the 2-4 hole, and the top supporting member of each couplet is the Prestressed Continuous box-girder of one single box single chamber, the wide 3.5-4.5m of its underpart case, and the wide 8.0-9.0m of its end face carriageway plate, its deck profile grade is 1-3%.At the two ends of each couplet, adopt abutment or two-columned pier to support; At the middle part of each couplet, adopt the single-columned pier on drilled pile basis to support.At the top of abutment or two-columned pier, be equipped with a bent cap.At the end face of this bent cap, pasting two boards formula neoprene bearing side by side, to support the ramp bridge girder.
So-called circular curve ramp bridge, the longitudinal central axis line of its girder is a circular curve.Through this circular curve do one with the perpendicular circular arc camber of horizontal plane, this circular arc camber is the circular arc camber of this ramp bridge.The center of gravity line of ramp bridge girder and the center of gravity line of wagon flow then are positioned at the 100-200mm place beyond this circular arc camber.At the two ends of circular curve ramp bridge, at the end face of pier bent cap, the two boards formula neoprene bearing outside circular arc camber draws a straight line, and this straight line is the rotating shaft A of whole ramp bridge girder.In the outside of rotating shaft A, be the main body of ramp bridge girder, its weight accounts for the 70-90% of gross weight; In the inboard of rotating shaft A, be the part at ramp bridge girder two ends, its weight only accounts for the 30-10% of gross weight.
Under the long-term effect of eccentric vertical pressure and centrifugal force, in the outside of rotating shaft A, the main body of ramp bridge girder is sunk; In the inboard of rotating shaft A, the two ends of the ramp bridge girder warpage that makes progress.Meanwhile, whole ramp bridge girder produces translation to the outside of rotating shaft A.When the construction quality of ramp bridge was relatively poor, this kind phenomenon was with even more serious.When repairing the circular curve ramp bridge, at first single-columned pier is added the bridge pier bent cap; Be the basis with this bridge pier bent cap then, set up a direction across bridge and prop up the top instrument, outwards squint along the continuation of direction across bridge to stop the ramp bridge girder; Then upwards prop up top ramp bridge girder, make it to reach the height that sets; Prop up top ramp bridge girder along direction across bridge at last, make it to reach the position that sets.
The utility model is exactly to this conception, by a kind of steel frame of the meticulous development of the inventor.This steel frame is convenient to fix with the bridge pier bent cap, its good mechanical performance, and can prop up the top accurately along direction across bridge to the ramp bridge girder.
The utility model content
The utility model problem to be solved just provides a kind of being convenient to and fixes with the bridge pier bent cap, its good mechanical performance, and can accurately prop up the steel frame on top to the ramp bridge girder along direction across bridge.
The purpose of the utility model realizes through following technical scheme:
A kind of steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder; The longitudinal central axis line of described its girder of circular curve ramp bridge is a circular curve; Through this circular curve do one with the perpendicular circular arc camber of horizontal plane, this circular arc camber is the circular arc camber of this circular curve ramp bridge; Under the ramp bridge girder, the vertical bridge of each bridge pier bent cap is all tangent with this circular arc camber to the axis; Described bridge pier bent cap is the rectangular cylinder of a steel concrete, and it is along the long 4000-5000mm of direction across bridge, along indulging bridge to wide 1500-2000mm, high 500-600mm; The utility model is characterised in that: it includes 2 main steel members, 6 steel anchor rods, 2 jacking brackets, 4 jacking bracket diagonal braces; Described main steel member is made up of 1 road crossbeam, 2 brackets, 4 bracket diagonal braces; At the position, center of crossbeam medial surface, weld two brackets perpendicularly, these two brackets vertically are divided into three sections with it along crossbeam; This wherein, the clear length in stage casing equals the length of bridge pier bent cap along direction across bridge, the clear length of left side section and right edge section is 1000mm; In the both sides, front and back of described bridge pier bent cap, respectively snap in a main steel member; Paste with the front and back sides of this bridge pier bent cap respectively mutually in the crossbeam stage casing of these two main steel members, and their bracket pastes with the left and right side of this bridge pier bent cap respectively mutually; Between the same side segment of each bracket and crossbeam, all welding two bracket diagonal braces; Between the crossbeam of former and later two main steel members, each to bolthole in, all pass the steel anchor rod of a fastening nut, make these two main steel members become as a whole; In the outside of the circular arc camber of described circular curve ramp bridge, on the end face of each main steel member crossbeam, all welding a described jacking bracket; Between the end face of the trailing flank of each jacking bracket and crossbeam, all welding two described jacking bracket diagonal braces; On the platform of each jacking bracket, between the backrest and described ramp bridge girder of this jacking bracket, a mechanic jacks is set flatly all.
Described crossbeam and bracket all adopt with a kind of square steel pipe and make; The high 400mm of this square steel pipe, wide 200mm, it forms assembly with two 40a channel-section steels; Along twice 40a channel-section steel up and down to piece, implement the straight joint full weld respectively, the weld bond place is polished flat gets final product afterwards.
Its length of described crossbeam equals the bridge pier bent cap and adds 2400mm along the length of direction across bridge, and its length of described bracket equals 400mm; At the position, center of described its medial surface of crossbeam, be clear distance with the bridge pier bent cap along the length of direction across bridge, welding two brackets with this crossbeam perpendicularly; In the intersection of tail end and this crossbeam of these two brackets, all implement border straight joint full weld.
Between the same side segment of each its top of described bracket and crossbeam, all welding two described bracket diagonal braces; This bracket diagonal brace is tailored with the angle steel of 70 * 45 * 7mm and is formed, and the medial surface of they and crossbeam all is 45 degree angles; This wherein; The plane that its 70mm of bracket diagonal brace is wide and the end face of crossbeam and bracket are in the same plane; The plane that its 70mm of another root bracket diagonal brace is wide and the bottom surface of crossbeam and bracket are in the same plane, and the wide plane of these two its 45mm of bracket diagonal brace is the outside between crossbeam and bracket all.
Described steel anchor rod uses diameter to make as the plain bar of 20mm, its length equal the bridge pier bent cap along vertical bridge to width add 600mm; In the long scope of each 105mm of these steel anchor rod two ends, all car has screw.
In the front and back of described bridge pier bent cap, respectively snap in a main steel member, one crossbeam of this main steel member and the end face of two brackets all are in the same plane, and even up with the end face of bridge pier bent cap; At position, center, be respectively that spacing is bored three boltholes that diameter is 21mm of system from top to bottom with 140mm apart from each 980mm place of crossbeam right ends; Between the crossbeam of former and later two main steel members, each to bolthole in, all pass the steel anchor rod of a two ends fastening nut; At the two ends of this steel anchor rod, the nut that is screwed into closely pastes with the lateral surface of former and later two main steel member crossbeams respectively mutually.
Described jacking bracket is made with the thick low carbon steel plate of 10mm, and its profile is a rectangular cylinder; This rectangular cylinder is along the wide 300mm of direction across bridge, along indulging bridge to thick 200mm; Along direction across bridge, the top of this jacking bracket is divided into platform and backrest two parts; Platform is along the wide 200mm of direction across bridge, and is higher than the base 400mm of this jacking bracket; Backrest is along the wide 100mm of direction across bridge, and its end face is higher than the base 600mm of this jacking bracket; The outside at the circular arc camber of described circular curve ramp bridge on the end face of each main steel member crossbeam, all is installed with a jacking bracket; Border straight joint full weld is implemented on base along this jacking bracket, makes it to fix with crossbeam.
Between described ramp bridge girder and bridge pier bent cap, has the high clear distance of 180mm; At the end face of the crossbeam of described main steel member, its platform of the jacking bracket of being installed is higher than the bottom surface 220mm of ramp bridge girder, and the side of its leading flank and ramp bridge girder is at a distance of 300mm.
Between the end face of the top of each described its trailing flank of jacking bracket and crossbeam, all welding two described jacking bracket diagonal braces; This jacking bracket diagonal brace is tailored with the angle steel of 70 * 70 * 7mm and is formed, and the end face of they and crossbeam all is 45 degree angles; This wherein; One plane of a jacking bracket diagonal brace and the lateral surface of crossbeam and jacking bracket all are in the same plane; One plane of another root jacking bracket diagonal brace and the medial surface of crossbeam and jacking bracket all are in the same plane, and another plane of these two jacking bracket diagonal braces all makes progress.
The utility model has the advantages that: simple in structure, be convenient to fix with the bridge pier bent cap.When vertically propping up top ramp bridge girder, it can effectively stop its outwards moving along direction across bridge; When propping up top ramp bridge girder along direction across bridge, it can provide enough horizontal impulses.In the process of whole correction ramp bridge girder skew, can not influence the normal traffic of bridge floor.
Description of drawings
Fig. 1 is the medial surface sketch map of the main steel member of the utility model.
Fig. 2 is the lateral surface sketch map of the main steel member of the utility model.
Fig. 3 is main steel member of the utility model and the front schematic view that pier cap fixes.
Fig. 4 is the floor map of the main steel member of the utility model.
Fig. 5 is the floor map that the utility model and pier cap fix.
Fig. 6 is the side schematic view of the main steel member of the utility model.
Fig. 7 is main steel member of the utility model and the side schematic view that pier cap fixes.
Fig. 8 is the front schematic view of the jacking bracket of the utility model.
Fig. 9 is the side schematic view that the utility model and bridge pier bent cap fix.
Figure 10 is the front schematic view that the utility model and bridge pier bent cap fix.
Reference numeral
1 crossbeam, 2 brackets, 3 bracket diagonal braces, 4 steel anchor rods, 5 jacking brackets, 6 jacking bracket diagonal braces; 7 ramp bridge girders, 8 bridge pier bent caps, 9 mechanic jacks, 1-1 end face, 1-2 medial surface, 1-3 lateral surface; The 1-4 bolthole, 5-1 platform, 5-2 backrest, 5-3 leading flank, 5-4 trailing flank.
The specific embodiment
Shown in accompanying drawing 1-10: the utility model includes two main steel members, 4, two jacking brackets 5 of six roots of sensation steel anchor rod and four jacking bracket diagonal braces 6.Main steel member is by 1, two bracket 2 of one crossbeam and 3 compositions of four bracket diagonal braces.
Crossbeam 1 all is the square steel pipe making with high 400mm, wide 200mm with bracket 2, and the length of crossbeam 1 equals bridge pier bent cap 8 and adds 2400mm along the length of direction across bridge, and the length of bracket 2 equals 400mm.This square steel pipe forms assembly with twice 40a channel-section steel, along twice 40a channel-section steel up and down to piece, implement the straight joint full weld respectively, the weld bond place is polished flat gets final product afterwards.
On working platform, crossbeam 1 level is laid, and the position, center of side 1-2 within it is clear distance with bridge pier bent cap 8 along the length of direction across bridge, welds two brackets 2 perpendicularly, and these two brackets 2 vertically are divided into three sections with it along crossbeam 1.This wherein, the clear length in stage casing equals the length of bridge pier bent cap 8 along direction across bridge, and the clear length of left side section and right edge section is 1000mm.In bottom and this crossbeam 1 intersection of these two brackets 2, all implement border straight joint full weld.
Between the limit section of the top of each bracket 2 and crossbeam 1 the same side, all welding two bracket diagonal braces 3.The angle steel of these bracket diagonal brace 3 usefulness 70 * 45 * 7mm is tailored and is formed, and the medial surface 1-2 of they and crossbeam 1 all is 45 degree angles.This wherein; The end face of plane that the 70mm of a bracket diagonal brace 3 is wide and crossbeam 1 and bracket 2 is in the same plane; The bottom surface of plane that the 70mm of another root bracket diagonal brace 3 is wide and crossbeam 1 and bracket 2 is in the same plane, and the wide plane of the 45mm of these two bracket diagonal braces 3 is the outside between crossbeam 1 and bracket 2 all.
Around bridge pier bent cap 8, set up scaffold, in the front and back of bridge pier bent cap 8, each keeps flat a main steel member symmetrically.Promote these two main steel members, make it to block bridge pier bent cap 8.Paste with the front and back sides of this bridge pier bent cap 8 respectively mutually in the stage casing of the crossbeam 1 of these two main steel members; Their two brackets 2 paste with the left and right side of this bridge pier bent cap 8 respectively mutually, and the end face of its crossbeam 1 and bracket 2 all is in the plane with the end face of bridge pier bent cap 8.At position, center, be respectively that spacing is bored three bolthole 1-4 that diameter is 21mm of system from top to bottom with 140mm apart from each 980mm place of crossbeam 1 right ends.Between the crossbeam 1 of former and later two main steel members, in every couple of bolthole 1-4, all pass the steel anchor rod 4 of a two ends fastening nut, these two main steel members are formed an integral body.At the two ends of steel anchor rod 4, the nut that is screwed into closely pastes with the lateral surface 1-3 of former and later two main steel member crossbeams 1 respectively mutually.
The low carbon steel plate that jacking bracket 5 usefulness 10mm are thick is made, and its profile is a rectangular cylinder.This rectangular cylinder is along the wide 300mm of direction across bridge, along indulging bridge to thick 200mm.Along direction across bridge, the top of this jacking bracket 5 is divided into platform 5-1 and backrest 5-2 two parts.Platform 5-1 is along the wide 200mm of direction across bridge, and is higher than the base 400mm of this jacking bracket 5.Backrest 5-2 is along the wide 100mm of direction across bridge, and its end face is higher than the base 600mm of this jacking bracket 5.In the outside of circular curve ramp bridge circular arc camber, on the end face 1-1 of each main its crossbeam 1 of steel member, a jacking bracket 5 is installed all.The border full weld is implemented on base along this jacking bracket 5, makes it to fix with crossbeam 1.
Between the end face 1-1 of the top of each jacking bracket 5 its trailing flank 5-4 and crossbeam 1, all welding two jacking bracket diagonal braces 6.The angle steel of these jacking bracket diagonal brace 6 usefulness 70 * 70 * 7mm is tailored and is formed, and the end face 1-1 of they and crossbeam 1 all is 45 degree angles.This wherein; The lateral surface of one plane of a jacking bracket diagonal brace 6 and crossbeam 1 and jacking bracket 5 is in the same plane; The medial surface of one plane of another root jacking bracket diagonal brace 6 and crossbeam 1 and jacking bracket 5 is in the same plane, and another plane of these two jacking bracket diagonal braces 6 all makes progress.
Between ramp bridge girder 7 and bridge pier bent cap 8, has the high clear distance of 180mm.At the end face of the crossbeam 1 of main steel member, jacking bracket 5 its platform 5-1 that installed are higher than the bottom surface 220mm of ramp bridge girder 7, and the side of its leading flank 5-3 and ramp bridge girder 7 is at a distance of 300mm.On the platform 5-1 of jacking bracket 5, between the backrest 5-2 and ramp bridge girder 7 of this jacking bracket 5, a mechanic jacks 9 can be set flatly, ramp bridge girder 7 is carried out direction across bridge prop up the top.
Claims (9)
1. the steel frame of a direction across bridge Zhi Dingyuan arc curved ramp bridge girder; The longitudinal central axis line of described its girder of circular curve ramp bridge (7) is a circular curve; Through this circular curve do one with the perpendicular circular arc camber of horizontal plane, this circular arc camber is the circular arc camber of this circular curve ramp bridge; Under ramp bridge girder (7), the vertical bridge of each bridge pier bent cap (8) is all tangent with this circular arc camber to the axis; Described bridge pier bent cap (8) is the rectangular cylinder of a steel concrete, and it is along the long 4000-5000mm of direction across bridge, along indulging bridge to wide 1500-2000mm, high 500-600mm; The utility model is characterised in that: it includes 2 main steel members, 6 steel anchor rods (4), 2 jacking brackets (5), 4 jacking bracket diagonal braces (6); Described main steel member is made up of 1 road crossbeam (1), 2 brackets (2), 4 bracket diagonal braces (3); At the position, center of crossbeam (1) medial surface (1-2), weld two brackets (2) perpendicularly, these two brackets (2) vertically are divided into three sections with it along crossbeam (1); This wherein, the clear length in stage casing equals the length of bridge pier bent cap (8) along direction across bridge, the clear length of left side section and right edge section is 1000mm; In the both sides, front and back of described bridge pier bent cap (8), respectively snap in a main steel member; Paste with the front and back sides of this bridge pier bent cap (8) respectively mutually in the crossbeam of these two main steel members (1) stage casing, and their bracket (2) pastes with the left and right side of this bridge pier bent cap (8) respectively mutually; Between the same side segment of each bracket (2) and crossbeam (1), all welding two bracket diagonal braces (3); Between the crossbeam (1) of former and later two main steel members, each to bolthole (1-4) in, all pass the steel anchor rod (4) of a fastening nut, make these two main steel members become as a whole; In the outside of the circular arc camber of described circular curve ramp bridge, on the end face (1-1) of each main steel member crossbeam (1), all welding a described jacking bracket (5); Between the end face (1-1) of the trailing flank (5-4) of each jacking bracket (5) and crossbeam (1), all welding two described jacking bracket diagonal braces (6); On the platform (5-1) of each jacking bracket (5), between the backrest (5-2) and described ramp bridge girder (7) of this jacking bracket (5), a mechanic jacks (9) is set flatly all.
2. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1 is characterized in that: described crossbeam (1) and bracket (2) all adopt with a kind of square steel pipe and make; The high 400mm of this square steel pipe, wide 200mm, it forms assembly with two 40a channel-section steels; Along twice 40a channel-section steel up and down to piece, implement the straight joint full weld respectively, the weld bond place is polished flat gets final product afterwards.
3. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1; It is characterized in that: its length of described crossbeam (1) equals bridge pier bent cap (8) and adds 2400mm along the length of direction across bridge, and its length of described bracket (2) equals 400mm; At the position, center of its medial surface of described crossbeam (1) (1-2), be clear distance with bridge pier bent cap (8) along the length of direction across bridge, welding two brackets (2) with this crossbeam (1) perpendicularly; In the intersection of tail end and this crossbeam (1) of these two brackets (2), all implement border straight joint full weld.
4. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1; It is characterized in that: between the same side segment of each its top of described bracket (2) and crossbeam (1), all welding two described bracket diagonal braces (3); This bracket diagonal brace (3) is tailored with the angle steel of 70 * 45 * 7mm and is formed, and the medial surface (1-2) of they and crossbeam (1) all is 45 degree angles; This wherein; The end face of plane that its 70mm of a bracket diagonal brace (3) is wide and crossbeam (1) and bracket (2) is in the same plane; The bottom surface of plane that its 70mm of another root bracket diagonal brace (3) is wide and crossbeam (1) and bracket (2) is in the same plane, and the wide plane of its 45mm of these two bracket diagonal braces (3) all is positioned at the outside between crossbeam (1) and the bracket (2).
5. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1; It is characterized in that: described steel anchor rod (4) uses diameter to make as the plain bar of 20mm, its length equal bridge pier bent cap (8) along vertical bridge to width add 600mm; In the long scope of each 105mm of this steel anchor rod (4) two ends, all car has screw.
6. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1; It is characterized in that: in the front and back of described bridge pier bent cap (9); Respectively snap in a main steel member; One crossbeam (1) of this main steel member and the end face of two brackets (2) all are in the same plane, and even up with the end face of bridge pier bent cap (8); At position, center, be respectively that spacing is bored three boltholes (1-4) that diameter is 21mm of system from top to bottom with 140mm apart from each 980mm place of crossbeam (1) right ends; Between the crossbeam (1) of former and later two main steel members, each to bolthole (1-4) in, all pass the steel anchor rod (4) of a two ends fastening nut; Closely paste with the lateral surface (1-3) of former and later two main steel member crossbeams (1) respectively mutually at two ends in this steel anchor rod (4), the nut that is screwed into.
7. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1 is characterized in that: described jacking bracket (5) is made with the thick low carbon steel plate of 10mm, and its profile is a rectangular cylinder; This rectangular cylinder is along the wide 300mm of direction across bridge, along indulging bridge to thick 200mm; Along direction across bridge, the top of this jacking bracket (5) is divided into platform (5-1) and backrest (5-2) two parts; Platform (5-1) is along the wide 200mm of direction across bridge, and is higher than the base 400mm of this jacking bracket (5); Backrest (5-2) is along the wide 100mm of direction across bridge, and its end face is higher than the base 600mm of this jacking bracket (5); The outside at the circular arc camber of described circular curve ramp bridge on the end face (1-1) of each main steel member crossbeam (1), all is installed with a jacking bracket (5); Border straight joint full weld is implemented on base along this jacking bracket (5), makes it to fix with crossbeam (1).
8. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1 is characterized in that: between described ramp bridge girder (7) and bridge pier bent cap (8), have the high clear distance of 180mm; At the end face of the crossbeam (1) of described main steel member, its platform of the jacking bracket of being installed (5) (5-1) is higher than the bottom surface 220mm of ramp bridge girder (7), and the side of its leading flank (5-3) and ramp bridge girder (7) is at a distance of 300mm.
9. the steel frame of direction across bridge Zhi Dingyuan arc curved ramp bridge girder according to claim 1; It is characterized in that: between the end face (1-1) of the top of each its trailing flank of described jacking bracket (5) (5-4) and crossbeam (1), all welding two described jacking bracket diagonal braces (6); This jacking bracket diagonal brace (6) is tailored with the angle steel of 70 * 70 * 7mm and is formed, and the end face (1-1) of they and crossbeam (1) all is 45 degree angles; This wherein; The lateral surface of one plane of a jacking bracket diagonal brace (6) and crossbeam (1) and jacking bracket (5) all is in the same plane; The medial surface of one plane of another root jacking bracket diagonal brace (6) and crossbeam (1) and jacking bracket (5) all is in the same plane, and another plane of these two jacking bracket diagonal braces (6) all makes progress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120233322U CN202144579U (en) | 2011-07-04 | 2011-07-04 | Steel frame for supporting arched curve ramp bridge girder along cross bridge direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120233322U CN202144579U (en) | 2011-07-04 | 2011-07-04 | Steel frame for supporting arched curve ramp bridge girder along cross bridge direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202144579U true CN202144579U (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120233322U Expired - Fee Related CN202144579U (en) | 2011-07-04 | 2011-07-04 | Steel frame for supporting arched curve ramp bridge girder along cross bridge direction |
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| CN (1) | CN202144579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808383A (en) * | 2012-07-30 | 2012-12-05 | 中交第三航务工程局有限公司 | Construction process for back-sloping and jacking curved bridge |
-
2011
- 2011-07-04 CN CN201120233322U patent/CN202144579U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808383A (en) * | 2012-07-30 | 2012-12-05 | 中交第三航务工程局有限公司 | Construction process for back-sloping and jacking curved bridge |
| CN102808383B (en) * | 2012-07-30 | 2015-09-09 | 中交第三航务工程局有限公司 | Curved bridge counter-slope jacking construction process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent director of Beijing Xinshi road and Bridge Construction Co.,Ltd. Document name: Notice of termination of patent |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120215 Termination date: 20200704 |