CN204282188U - A kind of long-span steel pipe arch bridge is without support lifting construction structure - Google Patents
A kind of long-span steel pipe arch bridge is without support lifting construction structure Download PDFInfo
- Publication number
- CN204282188U CN204282188U CN201420744343.4U CN201420744343U CN204282188U CN 204282188 U CN204282188 U CN 204282188U CN 201420744343 U CN201420744343 U CN 201420744343U CN 204282188 U CN204282188 U CN 204282188U
- Authority
- CN
- China
- Prior art keywords
- long
- steel pipe
- arch
- arch rib
- bridge
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of long-span steel pipe arch bridge without support lifting construction structure, comprise two symmetries and be laid in both sides before and after lifted long-span steel pipe arch bridge and the hoisting mechanism lifted for hanging device, the structure of two described hoisting mechanisms is identical; Lift long-span steel pipe arch bridge and be bowstring arch bridge and it comprises arch rib and tie-rod, be provided with stiff skeleton in tie-rod and its two ends are fastenedly connected with the two ends of arch rib respectively; Hoisting mechanism comprises two suspension ring be sleeved on arch rib, is provided with a mat structure between each suspension ring and arch rib, and a mat structure is fixed on arch rib; Mat structure comprises two pieces, left and right symmetry and is coated on encased steel plate outside arch rib, and the top and the bottom of two pieces of encased steel plates are all connected to one, and all pad backing plate is housed between every block encased steel plate and arch rib.The utility model structure is simple, reasonable in design and lifting is convenient, result of use is good, can to the bridge superstructure of assembled shaping long-span steel pipe arch bridge carry out easy, reliably lift.
Description
Technical field
The utility model belongs to technical field of bridge construction, especially relates to a kind of long-span steel pipe arch bridge without support lifting construction structure.
Background technology
Shen bracing cable-Zhangjiagang multiple line waterway effect grade is III grade, and navigable requires as (90 × 7) m.Newly-built workers and peasants' bridge and the middle of fairway angle of cut are 90 °, when newly-built workers and peasants' bridge being constructed as adopted support cast-in-place scheme, (2 × 25) m navigable need be established on ship lock upper approach, because support used during construction is positioned at center, navigation channel and is in three trouble Estuary bends locations, will certainly impact Navigation in Navigable during bridge construction, there is the potential safety hazard of passing ships collision support simultaneously.
The superstructure of newly-built workers and peasants' bridge adopts lower support type concrete-filled steel tube tied arch structure, and adopts rigid tie bar, rigid arch and rigid hanger, and calculating across footpath is 100m, and arch is second-degree parabola, and ratio of rise to span is 1 ︰ 5, and rise is 20m.As shown in Figure 1, the arch rib 1 of newly-built workers and peasants' bridge adopts concrete-filled steel tube with dumbbell sections structure, is connected between the both sides arch springing of arch rib 1 by tie-rod.Described arch rib 1 is vertically to the vertical junction steel plate 1-2 laid by two arch steel pipe 1-1 and two, the left and right be connected between two described arch steel pipe 1-1, described vertical junction steel plate 1-2 is batten plate and the cavity that two described arch steel pipe 1-1 and two described vertical junction steel plate 1-2 surround is the abdominal cavity of arch rib 1, the external diameter of two described arch steel pipe 1-1 is Φ 90cm and its wall thickness is 1.4cm, the thickness of slab of vertical junction steel plate 1-2 is 1.6cm, all fill C40 slightly expanded concrete in described arch steel pipe 1-1 and described abdominal cavity, the height of arch rib 1 is 220cm.In newly-built workers and peasants' bridge, the quantity of arch rib 1 is two panels.Connected by tie-rod between two arch springings of described arch rib 1, described tie-rod is prestressed reinforced concrete construction and it adopts box section, and height is 220cm, and wide is 130cm and its wall thickness is 30cm, and tie-rod adopts stiff skeleton to reinforce.
Ratio through prudent safety, technical elements selects, the main bridge of newly-built workers and peasants' bridge adopts the erection without scaffolding scheme of monolithic arch rib and the integral hoisting of tie-rod stiff skeleton, that is, first in bank side by after assembled for the steel tubular structure (comprising the stiff skeleton of arch rib and tie-rod) of bridge superstructure, integral hoisting is also transferred and is put in place again, concrete is filled with afterwards, steel work total quality can be guaranteed like this, also can not affect greatly Navigation in Navigable, and work progress safely, reliably.But when nowadays erection without scaffolding being carried out to long-span steel pipe arch bridge, can be less for the technical data used for reference.Put in place for ensureing safely, reliably the bridge superstructure that integral assembling completes being lifted and transfers, need a kind of structure simple, reasonable in design and the long-span steel pipe arch bridge that lifting is convenient, result of use is good without support lifting construction structure, can to assembled shaping bridge superstructure carry out easy, reliably lift.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of long-span steel pipe arch bridge without support lifting construction structure, its structure is simple, reasonable in design and lifting is convenient, result of use is good, can to the bridge superstructure of assembled shaping long-span steel pipe arch bridge carry out easy, reliably lift.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of long-span steel pipe arch bridge is without support lifting construction structure, it is characterized in that: comprise two symmetries and be laid in both sides before and after lifted long-span steel pipe arch bridge and the hoisting mechanism lifted for hanging device, the structure of two described hoisting mechanisms is identical; Lift long-span steel pipe arch bridge and be bowstring arch bridge and it comprises arch rib and is connected to the tie-rod between arch rib two arch springings, be provided with stiff skeleton in described tie-rod, described stiff skeleton is the skeleton reinforced described tie-rod and its two ends are fastenedly connected with the two ends of arch rib respectively; Described hoisting mechanism comprises two suspension ring be sleeved on arch rib, and each described suspension ring form by a lifting rope colligation, and two described suspension ring are all hung on the suspension hook of described hanging device; Be provided with a mat structure between each described suspension ring and arch rib, described mat structure is fixed on arch rib; Described mat structure comprises the two pieces of encased steel plates be coated on outside arch rib in left and right, and two pieces of described encased steel plates are symmetrically laid and the top and the bottom of the two are all connected to one, and described in every block, between encased steel plate and arch rib, all pad is equipped with backing plate; All be fastenedly connected by multiple connecting bolt between the top and the bottom of two pieces of described encased steel plates, and the top and the bottom of encased steel plate described in every block all have multiple respectively for the bolt mounting holes that multiple described connecting bolt is installed; Two middle side parts up and down of described encased steel plate all have a lashing groove clamped for suspension ring, and described lashing groove is deep-slotted chip breaker.
Above-mentioned a kind of long-span steel pipe arch bridge, without support lifting construction structure, is characterized in that: the spacing between two described hoisting mechanisms is L0, wherein
wherein L is the span of arch rib.
Above-mentioned a kind of long-span steel pipe arch bridge, without support lifting construction structure, is characterized in that: described backing plate is rubber tile.
Above-mentioned a kind of long-span steel pipe arch bridge, without support lifting construction structure, is characterized in that: in described mat structure comprise rubber tile quantity be four pieces, described in every block between encased steel plate and the top and the bottom of arch rib all pad one block of rubber tile is housed.
Above-mentioned a kind of long-span steel pipe arch bridge, without support lifting construction structure, is characterized in that: in described mat structure comprise rubber tile quantity be four pieces, described in every block between encased steel plate and the top and the bottom of arch rib all pad one block of rubber tile is housed.
Above-mentioned a kind of long-span steel pipe arch bridge is without support lifting construction structure, it is characterized in that: described encased steel plate comprises the fixed edge that coated steel plate that cross section is isosceles trapezoid and two lay respectively at the described upper and lower both sides of coated steel plate, and multiple described bolt mounting holes is all laid on described fixed edge.
Above-mentioned a kind of long-span steel pipe arch bridge, without support lifting construction structure, is characterized in that: the multiple described bolt mounting holes that described encased steel plate top and the bottom are opened all is laid on same straight line.
Above-mentioned a kind of long-span steel pipe arch bridge, without support lifting construction structure, is characterized in that: described hanging device is crane.
The utility model compared with prior art has the following advantages:
1, structure simple, reasonable in design and processing and fabricating and easy accessibility, input cost is lower.
2, use easy and simple to handle and lifting is convenient, the Hoisting Position of two hoisting mechanisms is reasonable in design, and the bridge superstructure that makes to be shifted steadily is lifted on two crane barges, and can carry out available protecting to the Hoisting Position place on arch rib.In addition, encased steel plate reasonable in design, all be fastenedly connected by multiple connecting bolt between the top and the bottom of two pieces of encased steel plates, actual assembled is very easy, and two middle side parts up and down of every block encased steel plate all have a lashing groove clamped for suspension ring, in such hoisting process, firmly can clamp suspension ring, make hoisting process steadily, safety.
3, result of use is good, can to the bridge superstructure of assembled shaping long-span steel pipe arch bridge carry out easy, reliably lift, and hoisting process steadily, safety.Meanwhile, widely applicable, be particularly useful for the lifting of Longspan Bridge superstructure, be particularly useful for the erection without scaffolding process that span is the long-span steel pipe arch bridge of more than 100m.
In sum, the utility model structure is simple, reasonable in design and lifting is convenient, result of use is good, can to the bridge superstructure of assembled shaping long-span steel pipe arch bridge carry out easy, reliably lift.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is lifting construction view of the present utility model.
Fig. 2 is the structural representation of the utility model encased steel plate.
Fig. 3 is the upward view of Fig. 2.
Description of reference numerals:
1-arch rib; 3-stiff skeleton; 4-suspension ring;
5-encased steel plate; 5-1-bolt mounting holes; 5-2-lashing groove.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the utility model comprises two symmetries and is laid in both sides before and after lifted long-span steel pipe arch bridge and the hoisting mechanism lifted for hanging device, and the structure of two described hoisting mechanisms is identical.Lift long-span steel pipe arch bridge and be bowstring arch bridge and it comprises arch rib 1 and is connected to the tie-rod between arch rib 1 two arch springings, be provided with stiff skeleton 3 in described tie-rod, described stiff skeleton 3 is the skeleton reinforced described tie-rod and its two ends are fastenedly connected with the two ends of arch rib 1 respectively.Described hoisting mechanism comprises two suspension ring 4 be sleeved on arch rib 1, and each described suspension ring 4 form by a lifting rope colligation, and two described suspension ring 4 are all hung on the suspension hook of described hanging device.Be provided with a mat structure between each described suspension ring 4 and arch rib 1, described mat structure is fixed on arch rib 1.Described mat structure comprises two pieces, left and right encased steel plate 5, two pieces of described encased steel plates 5 be coated on outside arch rib 1 and symmetrically to lay and the top and the bottom of the two are all connected to one, and all pads backing plate is housed described in every block between encased steel plate 5 and arch rib 1; All be fastenedly connected by multiple connecting bolt between the top and the bottom of two pieces of described encased steel plates 5, and the top and the bottom of encased steel plate 5 described in every block all have multiple respectively for the bolt mounting holes 5-1 that multiple described connecting bolt is installed.Two middle side parts up and down of described encased steel plate 5 all have a lashing groove 5-2 clamped for suspension ring 4, and described lashing groove 5-2 is deep-slotted chip breaker.
In the present embodiment, the spacing between two described hoisting mechanisms is L0, wherein
wherein L is the span of arch rib 1.
During actual lifting, can according to specific needs, the spacing between two described hoisting mechanisms be adjusted accordingly.
In the present embodiment, described backing plate is rubber tile.
Further, in described mat structure comprise rubber tile quantity be four pieces, all pad between the top and the bottom of encased steel plate 5 and arch rib 1 described in every block and one block of rubber tile be housed.
Actually add man-hour, described encased steel plate 5 comprises the fixed edge that coated steel plate that cross section is isosceles trapezoid and two lay respectively at the described upper and lower both sides of coated steel plate, and multiple described bolt mounting holes 5-1 is all laid on described fixed edge.
In the present embodiment, the multiple described bolt mounting holes 5-1 that described encased steel plate 5 top and the bottom are opened all is laid on same straight line.Further, multiple described bolt mounting holes 5-1 all lays along the center line of described fixed edge.
In the present embodiment, described hanging device is crane.
In the present embodiment, lift long-span steel pipe arch bridge calculating be more than 100m across footpath.Described arch rib 1 is assembled by multiple rib-lifting section, multiple described rib-lifting section along lift the vertical bridge of long-span steel pipe arch bridge to laying from front to back.Described stiff skeleton 3 is by the assembled rigid backbone of many rod members and it is spliced by multiple skeleton sections, multiple described skeleton sections along lift the vertical bridge of long-span steel pipe arch bridge to laying from front to back.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. long-span steel pipe arch bridge is without a support lifting construction structure, it is characterized in that: comprise two symmetries and be laid in both sides before and after lifted long-span steel pipe arch bridge and the hoisting mechanism lifted for hanging device, the structure of two described hoisting mechanisms is identical; Lift long-span steel pipe arch bridge and be bowstring arch bridge and it comprises arch rib (1) and is connected to the tie-rod between arch rib (1) two arch springing, be provided with stiff skeleton (3) in described tie-rod, described stiff skeleton (3) is the skeleton reinforced described tie-rod and its two ends are fastenedly connected with the two ends of arch rib (1) respectively; Described hoisting mechanism comprises two suspension ring (4) be sleeved on arch rib (1), each described suspension ring (4) form by a lifting rope colligation, and two described suspension ring (4) are all hung on the suspension hook of described hanging device; Be provided with a mat structure between each described suspension ring (4) and arch rib (1), described mat structure is fixed on arch rib (1); Described mat structure comprises the encased steel plate (5) that two pieces, left and right is coated on arch rib (1) outside, two pieces of described encased steel plates (5) are symmetrically laid and the top and the bottom of the two are all connected to one, and all pad backing plate is housed described in every block between encased steel plate (5) and arch rib (1); All be fastenedly connected by multiple connecting bolt between the top and the bottom of two pieces of described encased steel plates (5), and the top and the bottom of encased steel plate (5) described in every block all have multiple respectively for the bolt mounting holes (5-1) that multiple described connecting bolt is installed; Two middle side parts up and down of described encased steel plate (5) all have a lashing groove (5-2) clamped for suspension ring (4), and described lashing groove (5-2) is deep-slotted chip breaker.
2. according to a kind of long-span steel pipe arch bridge according to claim 1 without support lifting construction structure, it is characterized in that: the spacing between two described hoisting mechanisms is L0, wherein
wherein L is the span of arch rib (1).
3. according to a kind of long-span steel pipe arch bridge described in claim 1 or 2 without support lifting construction structure, it is characterized in that: described backing plate is rubber tile.
4. according to a kind of long-span steel pipe arch bridge according to claim 3 without support lifting construction structure, it is characterized in that: in described mat structure comprise rubber tile quantity be four pieces, all pad between the top and the bottom of encased steel plate (5) and arch rib (1) described in every block and one block of rubber tile be housed.
5. according to a kind of long-span steel pipe arch bridge described in claim 1 or 2 without support lifting construction structure, it is characterized in that: described encased steel plate (5) comprises the fixed edge that coated steel plate that cross section is isosceles trapezoid and two lay respectively at the described upper and lower both sides of coated steel plate, and multiple described bolt mounting holes (5-1) is all laid on described fixed edge.
6. according to a kind of long-span steel pipe arch bridge according to claim 5 without support lifting construction structure, it is characterized in that: the multiple described bolt mounting holes (5-1) that described encased steel plate (5) top and the bottom are opened all is laid on same straight line.
7. according to a kind of long-span steel pipe arch bridge described in claim 1 or 2 without support lifting construction structure, it is characterized in that: described hanging device is crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744343.4U CN204282188U (en) | 2014-12-01 | 2014-12-01 | A kind of long-span steel pipe arch bridge is without support lifting construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420744343.4U CN204282188U (en) | 2014-12-01 | 2014-12-01 | A kind of long-span steel pipe arch bridge is without support lifting construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204282188U true CN204282188U (en) | 2015-04-22 |
Family
ID=52865368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420744343.4U Active CN204282188U (en) | 2014-12-01 | 2014-12-01 | A kind of long-span steel pipe arch bridge is without support lifting construction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204282188U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986663A (en) * | 2015-05-21 | 2015-10-21 | 中交一航局安装工程有限公司 | Lifting installation technology for steel structure arched door |
| CN106284102A (en) * | 2016-08-22 | 2017-01-04 | 中国铁建大桥工程局集团有限公司 | The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method |
| CN106592406A (en) * | 2016-12-30 | 2017-04-26 | 河南省交通规划设计研究院股份有限公司 | Through tied arch bridge and construction method thereof |
| CN106835938A (en) * | 2017-04-05 | 2017-06-13 | 中铁二院成都勘察设计研究院有限责任公司 | A kind of beam-arch structure and beam-arch composition bridge |
| CN107447674A (en) * | 2017-09-19 | 2017-12-08 | 中铁上海工程局集团有限公司 | A kind of steel box arch rib lifting positioner and its construction method |
| CN112853994A (en) * | 2021-01-18 | 2021-05-28 | 中铁二十局集团第一工程有限公司 | Steel pipe support of arched bridge and construction method thereof |
-
2014
- 2014-12-01 CN CN201420744343.4U patent/CN204282188U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986663A (en) * | 2015-05-21 | 2015-10-21 | 中交一航局安装工程有限公司 | Lifting installation technology for steel structure arched door |
| CN106284102A (en) * | 2016-08-22 | 2017-01-04 | 中国铁建大桥工程局集团有限公司 | The double rib lifting of the calm cable in mountain area is big across tubular arch segmental construction engineering method |
| CN106592406A (en) * | 2016-12-30 | 2017-04-26 | 河南省交通规划设计研究院股份有限公司 | Through tied arch bridge and construction method thereof |
| CN106835938A (en) * | 2017-04-05 | 2017-06-13 | 中铁二院成都勘察设计研究院有限责任公司 | A kind of beam-arch structure and beam-arch composition bridge |
| CN107447674A (en) * | 2017-09-19 | 2017-12-08 | 中铁上海工程局集团有限公司 | A kind of steel box arch rib lifting positioner and its construction method |
| CN112853994A (en) * | 2021-01-18 | 2021-05-28 | 中铁二十局集团第一工程有限公司 | Steel pipe support of arched bridge and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204282188U (en) | A kind of long-span steel pipe arch bridge is without support lifting construction structure | |
| CN104594197B (en) | A kind of long-span steel pipe arch bridge non-support construction process | |
| CN104404887B (en) | A kind of long-span steel pipe arch bridge is without support hoisting | |
| CN101781879A (en) | Construction method of single-pylon cable-stayed bridge without dorsal cables | |
| WO2021212921A1 (en) | Construction system for widened section of half-through arch bridge | |
| CN204325932U (en) | Long-span steel pipe arch bridge assembling construction support system | |
| CN104712146B (en) | The construction method of reinforcing bar colligation in wall construction | |
| CN101122115B (en) | Construction method for tower crane shift | |
| CN206590759U (en) | Adjustable precast beam reinforced bar skeleton suspender | |
| CN204080650U (en) | A kind of end bay for road and bridge construction closes up suspension bracket | |
| CN204282223U (en) | Middle cross beam suspension bracket is used in long-span steel pipe arch bridge construction | |
| CN202899441U (en) | Tool type support | |
| CN106012849A (en) | Construction method for integral binding and hoisting for linear section steel bars of cantilever beam and bridge | |
| CN109056595A (en) | A kind of grout sleeve Joining Technology of prefabricated overhead guardrail board | |
| CN105951683B (en) | Gate pier bracket Joint Re-bar Construction | |
| CN205313982U (en) | Basket side form reinforced structure is hung to continuous beam midspan section of foling | |
| CN204282224U (en) | A kind of bridge superstructure moves and to be shifted platform with crane barge | |
| CN204282221U (en) | Long-span steel pipe arch bridge assembling construction arch rib support | |
| CN203373666U (en) | Bracket pull-counter loading prepressing device | |
| CN205577264U (en) | Location structure of girder iron muscle | |
| CN202181728U (en) | Foundation reinforcing bar non-connector construction structure for shear wall and attached-wall column | |
| CN203639016U (en) | Balance beam for hoisting reinforcing steel bars by tower crane | |
| CN211849552U (en) | Pile cap reverse hoisting construction device | |
| CN202466421U (en) | High-pier bridge body concrete pouring pump line grounded steel truss trestle bridge in gully areas | |
| CN103669880A (en) | Hogging moment rebar suspension construction control protection layer device and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |