CN115198646A - Method for erecting vehicle-running channel for constructing bridge - Google Patents
Method for erecting vehicle-running channel for constructing bridge Download PDFInfo
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- CN115198646A CN115198646A CN202210831140.8A CN202210831140A CN115198646A CN 115198646 A CN115198646 A CN 115198646A CN 202210831140 A CN202210831140 A CN 202210831140A CN 115198646 A CN115198646 A CN 115198646A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 238000010276 construction Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the field of municipal engineering, in particular to a vehicle passage erecting method for constructing a bridge, which has low construction difficulty, short construction period, low cost and high safety, and comprises the following steps: a. a transverse vehicle-driving channel is arranged between the upright posts of the construction bridge, and a section steel column buttress and a jack buttress are firstly constructed under the ground; b. prefabricated steel frame bodies are prefabricated, the prefabricated steel frame bodies are lifted to the jacking elevation of the jacks by a flat-plate truck, then the prefabricated steel frame bodies are bound, firmly and safely transported to the site, four corners at the bottoms of the front unit and the rear unit are respectively placed on the jacks and are firmly clamped, and connection points of the prefabricated steel frame bodies are firmly welded; c. continuously jacking the prefabricated steel frame body to the scheme elevation through the jack, then fixing the prefabricated steel frame body with the section steel column installed between the section steel column buttresses, continuously erecting a scaffold to the bottom of the box girder on the prefabricated steel frame body, and completing erection. This scheme is particularly useful for among the vehicle driving passageway of municipal construction bridge erects.
Description
Technical Field
The invention relates to the field of municipal engineering, in particular to a method for erecting a vehicle running channel for constructing a bridge.
Background
A vehicle-driving channel erecting system crossing a construction bridge usually erects a plurality of rows of more densely-packed coil buckle type scaffolds at two sides of a vehicle-driving channel of a construction bridge span to bear box girder construction load transmitted by a plurality of layers of coil buckle type scaffolds erected at the upper part; the defects are that the disk buckle type scaffold body of the door-shaped opening is easy to deform and collapse, safety accidents are caused, the construction procedures are multiple, and the construction period is long. This method has plagued construction units. The invention discloses an urban underground road structure form and relates to the technical field of municipal engineering, and the invention is CN 202120254779.5. The underground road frame comprises an underground road frame, wherein the underground road frame comprises two vehicle traveling channels, a rescue channel and a ventilation device, partition walls are arranged on two sides of the rescue channel, a plurality of door openings are formed in the outer surfaces of the partition walls, the ventilation device comprises a plurality of air inlet pipes, a plurality of air outlet pipes, a plurality of exhaust pipes and a plurality of ventilation pipes, and exhaust fans are arranged in the exhaust pipes and the ventilation pipes. According to the invention, the air inlet pipe, the air outlet pipe, the exhaust pipe, the ventilation pipe and the exhaust fan are arranged, the exhaust fan works to suck external air into the ventilation pipe, the air is discharged into the vehicle passage through the air inlet pipe and works through the exhaust fan, and the air is sucked into the exhaust pipe and discharged into the external environment through matching with the air outlet pipe, so that the ventilation effect of the underground road is achieved. However, this underground road structure form cannot be used in a roadway crossing a construction bridge.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for erecting a vehicle running channel for constructing a bridge, which has low construction difficulty, short construction period, low cost and high safety.
The technical scheme adopted by the invention for solving the technical problem is as follows: the method for erecting the vehicle running passage for constructing the bridge comprises the following steps: a. a transverse vehicle-driving channel is arranged between the upright posts of the construction bridge, a section steel column buttress and a jack buttress are firstly constructed under the ground, a jack is arranged on the jack buttress, and then the road surface construction of the vehicle-driving channel is carried out; b. prefabricating a prefabricated steel frame body in advance, raising the prefabricated steel frame body to the pre-jacking elevation of the jack by using a flat-plate truck, then binding, firmly and safely transporting to the site, respectively transporting to a front on-site point and a rear on-site point of a vehicle passage area, respectively placing four corners at the bottoms of the front unit and the rear unit on the jack, firmly clamping, and firmly welding connection points of the front unit and the rear unit; c. continuously jacking prefabricated steel support body to scheme elevation through the jack, it is fixed with installation shaped steel stand between the shaped steel post buttress immediately under the prefabricated steel support body to continue to set up scaffold frame to the case roof beam bottom on the prefabricated steel support body, and accomplish and erect.
Furthermore, the jack buttress is a long-stroke jack buttress.
Further, the prefabricated steel frame body is a Bailey steel frame body unit.
Further, the jack is a long-stroke jack.
Furthermore, the scaffold is a high-disk-connected buckle scaffold.
The beneficial effects of the invention are: this scheme has solved the conventional vehicle access both sides and the top of taking a journey at the construction bridge span through the process step of optimizing the vehicle access erects, sets up several rows and several layers comparatively intensive dish knot formula scaffold body's construction consumptive material problem. Because the adoption takes bailey steel support body as the material of representative, realize the equipment of top elevation in advance to whole jacking targets in place, has realized the novel technical process that the passageway of going a vehicle was established fast, and this scheme does not warp and collapses, and is safe, with low costs. This scheme is particularly useful for among the vehicle driving passageway of municipal construction bridge erects.
Drawings
FIG. 1 is an elevation view of the pre-jacking elevation assembly of the Bailey steel frame unit of the present invention.
FIG. 2 is an elevation view of the bailey steel frame body integrally lifted in place.
FIG. 3 is a sectional view of the bailey steel frame body of the present invention integrally lifted to a proper position.
Fig. 4 is a sectional view of the construction molding of the running passage of the present invention.
Labeled as: the prefabricated steel frame comprises the ground 1, section steel column buttresses 2, jack buttresses 21, jacks 3, prefabricated steel frame bodies 4, bailey steel frame body units 41, running limiting piles 5, section steel upright columns 6, protective steel plates 7, an extended-section protective shed 71, a scaffold 8, buckling type scaffolds 81, upright columns 9, box girders 10, connecting points 11, pre-jacking height 12 and scheme elevation 121.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The method for erecting the vehicle running passage for the construction bridge shown in fig. 1, 2, 3 and 4 comprises the following steps: a. a transverse vehicle-driving channel is arranged between the upright posts 9 of the construction bridge, a section steel column buttress 2 and a jack buttress 21 are firstly constructed under the ground 1, a jack 3 is arranged on the jack buttress 21, and then the vehicle-driving channel pavement construction is carried out; b. the prefabricated steel frame body 4 is prefabricated, the prefabricated steel frame body 4 is lifted to a pre-jacking elevation 12 of the jack 3 by a flat-plate truck, then the prefabricated steel frame body 4 is bound, firmly and safely transported to the site, and is respectively transported to a front and a rear on-site points of a vehicle driving channel area, four corners at the bottom of the front and the rear units are respectively placed on the jack 3 and are firmly clamped, and a connecting point 11 of the front and the rear units is firmly welded; c. continuously jacking prefabricated steel frame body 4 to scheme elevation 121 through jack 3, it is fixed with installation shaped steel stand 6 between shaped steel column buttress 2 immediately under prefabricated steel frame body 4 to continue to set up scaffold 8 to box girder 10 bottom on prefabricated steel frame body 4, and accomplish and erect.
The supporting structure for implementing the erection method can be selected from a vehicle running channel arranged between paired stand columns 9, a section steel column buttress 2 and a jack buttress 21 are arranged between the stand columns 9, a jack 3 is arranged at the top of the jack buttress 21, a section steel stand column 6 is arranged at the top of the section steel column buttress 2, and prefabricated steel frame bodies 4 are arranged at the tops of the jack 3 and the section steel stand column 6. Generally, it is preferred that the jack 3 is a long-stroke jack. Generally, as shown in fig. 3, a box girder 10 is arranged at the top of the upright post 9, wherein a scaffold 8 is arranged between the preferable box girder 10 and the prefabricated steel frame body 4, so that the overall structural characteristics are fully utilized, the efficiency of building and using the scaffold 8 is ensured, and the construction efficiency is further improved. In order to further reduce the complexity of the construction, it is preferable that the scaffold 8 is an elevated plate button scaffold. In order to ensure the safety of subsequent use, the bottom of the prefabricated steel frame body 4 is preferably provided with a protective steel plate 7. Further, as shown in fig. 2, it is preferable that the protection steel plate 7 is provided with an extended section of a protection shed 71 at both ends in the direction of the traffic passage, thereby preventing the influence of the splashed construction materials on pedestrians and traffic. Preferably, prefabricated steel support body 4 is bailey steel support body to guarantee the security of high efficiency and the follow-up use of buildding. In order to prevent the collision of the traveling crane against the section steel columns 6, it is preferable that the travel limit piles 5 be provided between the section steel columns 6.
The invention has low construction difficulty, low cost and high safety, is particularly suitable for being used in a vehicle passage of a construction bridge, has obvious technical advantages and has wide market popularization prospect, and the ingenious structure is related.
Claims (5)
1. The method for erecting the vehicle passage for constructing the bridge is characterized by comprising the following steps of:
a. a transverse vehicle-driving channel is arranged between upright posts (9) of a construction bridge, a section steel column buttress (2) and a jack buttress (21) are firstly constructed under the ground (1), a jack (3) is arranged on the jack buttress (21), and then the vehicle-driving channel pavement construction is carried out;
b. prefabricating a prefabricated steel frame body (4) in advance, raising the prefabricated steel frame body (4) to a pre-jacking elevation (12) of a jack (3) by using a flat-plate truck, then binding firmly and safely transporting to the site, respectively transporting to a front and a rear on-site points of a vehicle driving channel area, respectively placing four corners at the bottoms of the front and the rear units on the jack (3) and firmly clamping, and firmly welding connection points (11) of the front and the rear units;
c. continuously jacking prefabricated steel frame body (4) to scheme elevation (121) through jack (3), it is fixed with installation shaped steel stand (6) between shaped steel column buttress (2) under prefabricated steel frame body (4) next to continue to set up scaffold (8) to case roof beam (10) bottom on prefabricated steel frame body (4), and accomplish and erect.
2. The method for erecting a roadway for constructing a bridge of claim 1, wherein: the jack buttress (21) is a long-stroke jack buttress.
3. The method for erecting a roadway for constructing a bridge of claim 1, wherein: the prefabricated steel frame body (4) is a bailey steel frame body unit (41).
4. A method for erecting a roadway for constructing a bridge as claimed in claim 1, 2 or 3, wherein: the jack (3) is a long-stroke jack.
5. A method for erecting a roadway for constructing a bridge as claimed in claim 1, 2 or 3, wherein: the scaffold (8) is a high-disk-connected buckle type scaffold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210831140.8A CN115198646A (en) | 2022-07-14 | 2022-07-14 | Method for erecting vehicle-running channel for constructing bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210831140.8A CN115198646A (en) | 2022-07-14 | 2022-07-14 | Method for erecting vehicle-running channel for constructing bridge |
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| Publication Number | Publication Date |
|---|---|
| CN115198646A true CN115198646A (en) | 2022-10-18 |
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| CN202210831140.8A Pending CN115198646A (en) | 2022-07-14 | 2022-07-14 | Method for erecting vehicle-running channel for constructing bridge |
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Citations (10)
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|---|---|---|---|---|
| JP2003027425A (en) * | 2001-07-23 | 2003-01-29 | Taisei Corp | Method for constructing elevated type traffic route |
| CN102220741A (en) * | 2011-04-14 | 2011-10-19 | 中铁二十局集团第六工程有限公司 | Steel-concrete composite girder construction technology striding current lines and being parallel to existing lines |
| CN202577157U (en) * | 2012-04-17 | 2012-12-05 | 中交三航局第三工程有限公司 | Simple support arch bridge straining beam construction support system |
| CN103184722A (en) * | 2013-03-18 | 2013-07-03 | 广州市市政工程机械施工有限公司 | Large-span double-layer Bailey truss structure and construction method thereof |
| CN105133497A (en) * | 2015-07-21 | 2015-12-09 | 杭州江润科技有限公司 | Construction method for diagonal-span low-clearance road-on-duty multi-azimuth adjustable cast-in-place box beam support system |
| CN207091919U (en) * | 2017-06-13 | 2018-03-13 | 浙江交工集团股份有限公司 | A kind of cast-in-situ box girder door opening formula supporting construction |
| CN209855263U (en) * | 2018-12-20 | 2019-12-27 | 中铁二十一局集团第二工程有限公司 | Assembling construction support for steel truss girder crossing existing road |
| CN111719436A (en) * | 2020-07-17 | 2020-09-29 | 温州市铁路与轨道交通投资集团有限公司 | Construction system and construction method for urban railway cast-in-place box girder support in soft foundation area |
| CN211645998U (en) * | 2018-11-30 | 2020-10-09 | 杭州江润科技有限公司 | Upper-span active highway door opening support dismantling system |
| CN218712196U (en) * | 2022-07-14 | 2023-03-24 | 中国十九冶集团有限公司 | Supporting structure for erecting vehicle running channel of construction bridge |
-
2022
- 2022-07-14 CN CN202210831140.8A patent/CN115198646A/en active Pending
Patent Citations (10)
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|---|---|---|---|---|
| JP2003027425A (en) * | 2001-07-23 | 2003-01-29 | Taisei Corp | Method for constructing elevated type traffic route |
| CN102220741A (en) * | 2011-04-14 | 2011-10-19 | 中铁二十局集团第六工程有限公司 | Steel-concrete composite girder construction technology striding current lines and being parallel to existing lines |
| CN202577157U (en) * | 2012-04-17 | 2012-12-05 | 中交三航局第三工程有限公司 | Simple support arch bridge straining beam construction support system |
| CN103184722A (en) * | 2013-03-18 | 2013-07-03 | 广州市市政工程机械施工有限公司 | Large-span double-layer Bailey truss structure and construction method thereof |
| CN105133497A (en) * | 2015-07-21 | 2015-12-09 | 杭州江润科技有限公司 | Construction method for diagonal-span low-clearance road-on-duty multi-azimuth adjustable cast-in-place box beam support system |
| CN207091919U (en) * | 2017-06-13 | 2018-03-13 | 浙江交工集团股份有限公司 | A kind of cast-in-situ box girder door opening formula supporting construction |
| CN211645998U (en) * | 2018-11-30 | 2020-10-09 | 杭州江润科技有限公司 | Upper-span active highway door opening support dismantling system |
| CN209855263U (en) * | 2018-12-20 | 2019-12-27 | 中铁二十一局集团第二工程有限公司 | Assembling construction support for steel truss girder crossing existing road |
| CN111719436A (en) * | 2020-07-17 | 2020-09-29 | 温州市铁路与轨道交通投资集团有限公司 | Construction system and construction method for urban railway cast-in-place box girder support in soft foundation area |
| CN218712196U (en) * | 2022-07-14 | 2023-03-24 | 中国十九冶集团有限公司 | Supporting structure for erecting vehicle running channel of construction bridge |
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