CN108487089B - A method of railroad bridge is removed and set up on hillside - Google Patents
A method of railroad bridge is removed and set up on hillside Download PDFInfo
- Publication number
- CN108487089B CN108487089B CN201810288206.7A CN201810288206A CN108487089B CN 108487089 B CN108487089 B CN 108487089B CN 201810288206 A CN201810288206 A CN 201810288206A CN 108487089 B CN108487089 B CN 108487089B
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- bridge
- hillside
- platform
- steel tower
- steel
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000010276 construction Methods 0.000 claims abstract description 14
- 238000009966 trimming Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000002512 chemotherapy Methods 0.000 claims description 4
- 239000011121 hardwood Substances 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- 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
A method of removing and set up railroad bridge on hillside, the steps include: 1), determine the position of make-shift bridge；2) base form, is determined；3), construction just platform and basis；4) steel tower just platform is anchored on the basis of,；5) it, is used old girder steel as just beam；6) it, lays railway sleepers, end slipway and transverse slipway；7), it is laid with workbench；8) the new bridge that, will be set up passes through on vertical shift method pushing tow to side workbench；It 9) will be on existing bridge lateral pushing tow to the workbench of the other side by transverse slipway using new bridge as back；10), new bridge in place after transverse stretching, while built-in unit being installed, route trimming, existing bridge is removed on the outside of route by vertical shift mode.The present invention provides a method the low method removed on hillside and set up railroad bridge of simple, strong operability, applied widely and construction cost by the above method.
Description
Technical field
The present invention relates to technical field of building construction, relate generally to a kind of side that railroad bridge is removed and set up on hillside
Method.
Background technique
Beam is removed and set up in Large-scale Railway route and is generally used Bridge Erector progress, and Bridge Erector is by origin to scene
It needs to utilize existing railway line road transport defeated, and can be carried out in existing line transport space, if the piece number for setting up beam is few, enabled
The expense of Bridge Erector is very expensive.
When setting up according to crane, LONG-SPAN RAILWAY beam weight weight is bulky, requires height to crane, and need
There are builder's road and erection construction operating platform, if place is restricted on hillside, is unable to satisfy when applying platform, this scheme is just
It cannot be formed.
Summary of the invention
The purpose of the present invention is to provide a kind of on hillside remove and set up the method for railroad bridge using steel built with
The method that vertical traverse beam combines uses new bridge to eject existing bridge lateral as back, this construction method is not by place
With traffic condition influence, solve it is existing in the prior art due to hillside length irregularly cannot use crane carriage and need to make
The project cost caused by Bridge Erector is high, and the complicated inconvenient technical problem of construction method.
The technical solution adopted by the present invention is that: a method of railroad bridge is removed and set up on hillside, the steps include:
1) position of make-shift bridge, is determined on the hillside for the bridge lateral two sides for needing to remove and set up；
2) form that the basis of suspension bridge branch pier, is determined according to geological condition reserves anchor bolt in basic top surface；
3), the two sides construction of existing bridge and the smaller one end of hillside difference in height just platform, existing bridge and hillside difference in height compared with
Construct basic in the two sides in big one end and middle position；
4), anchor has steel tower just platform, the basis of existing bridge middle position two sides on the basis of the two sides of existing bridge end
Upper anchor has steel tower just pier；
5), in steel tower, just just transverse and longitudinal I-steel is arranged at the top of platform in pier and steel tower between old girder steel, and old girder steel is made
For the use of just beam, ride upon on transverse and longitudinal I-steel；
6) it, just lays railway sleepers on beam and end slipway, in just platform and steel tower, just transverse slipway is arranged in pier top；
7), in the just platforms of existing bridge two sides, steel tower, just pier and steel tower are just laid with workbench at the top of platform, make bridge
Between two workbenches in left and right；
8) the new bridge that, will be set up passes through on vertical shift method pushing tow to side workbench；
9), in railway blocking time, the support of existing bridge is separated with substructure, built-in unit disconnects, and utilizes
New bridge will be on existing bridge lateral pushing tow to the workbench of the other side by transverse slipway as back；
10), new bridge transverse stretching, while built-in unit being installed, route trimming, existing bridge is removed by vertical shift mode
On the outside of route.
It,, can be by other side work using the self weight of existing bridge after existing bridging toughening after the step 9) is completed
Make the new bridge on platform and pass through slideway piecewise to be pulled at new Bridge position to be built, support connection.
In the step 2), basic form specifically includes Extended chemotherapy, pile foundation, well foundation, specific basis shape
Formula need to be determined according to the intensity of ground, the sedimentation of ground and scour depth when having water.
In the step 5), just beam and steel tower are lined with temporary support, temporary support is specially steel pad just between pier
Block, surrounding are fastenedly connected with hook bolt, are acted on as the counter-force of superstructure and deformation are reliably passed to substructure.
After the step 5) is completed, before carrying out step 6), just beam is carried out using hardwood levelling.
Railing is surrounded by outside workbench described in two sides, lower section is equipped with safety net.
The beneficial effects of the present invention are:
(1) railway transportation is interfered small, just can removes and set up in railway blocking time and complete a hole beam, place and sets
In the case of standby permission, number hole beam can carry out simultaneously.
(2) construction method is easy, is not necessarily to large scale equipment, and simple process is easy to control, strong operability.
(3) any place is applicable in, is had a wide range of application.
(4) and effect same ratio can be reached, steel tower combines vertical traverse beam method cost minimum, economical and practical.
Detailed description of the invention
Fig. 1: constructing structure schematic diagram of the present invention.
Fig. 2: just platform cross-sectional view.
Fig. 3: steel tower just pier cross-sectional view.
Fig. 4: steel tower just platform cross-sectional view.
Fig. 5: steel tower just platform floor plan.
Specific embodiment
Embodiment 1: the embodiment of railroad bridge construction method is removed and set up on the hillside Tong Xian of capital.
The prestressed steel reinforced concrete beam bridge of the bridge both promising 22-32m, sets, pier height > 20m, new back across mountain valley
Wide, center is away from equal identical as existing bridge.The earthquake territory bridge location Yu Liudu, support use rocker bearing, and hold-down support is set to capital
Side.Beam can not more be renewed using crane or Bridge Erector to solve the problems, such as to be limited in hillside by place, this bridge utilizes steel tower
After the first hole beam being removed with vertical traverse beam method more renew beam, construction method is simple, strong operability, and it is economical and practical, to railway
Operation interference is small.The Specific construction step sequence of the present embodiment is as follows:
A method of railroad bridge is removed and set up on hillside, the steps include:
1, the position of make-shift bridge is determined on the hillside for the bridge lateral two sides for needing to remove and set up.
2, the form that the basis 7 of suspension bridge branch pier is determined according to geological condition reserves anchor bolt in basic 7 top surfaces；Basis 7
Concrete form includes Extended chemotherapy, pile foundation, well foundation, since geology is preferable generally on hillside, using Extended chemotherapy compared with
More, specific base form need to be determined according to the intensity of ground, the sedimentation of ground and scour depth when having water.
3, the two sides construction of existing bridge 6 and the smaller one end of hillside difference in height just platform 1, existing bridge 6 and hillside difference in height
The two sides in larger one end and middle position construction basis 7.
4, anchor has steel tower just platform 3, the base of existing 6 middle position two sides of bridge on the basis 7 of existing 6 end two sides of bridge
Anchor has steel tower just pier 2 on plinth 7.Just just pier 2 is the military steel tower of railway to steel tower for platform 3 and steel tower, and lower part passes through pre-buried
Part is connected with basis 7.
5, in steel tower, just just transverse and longitudinal I-steel is arranged between 3 top of platform and old girder steel in pier 2 and steel tower, and old girder steel is made
For the use of just beam 4, ride upon on transverse and longitudinal I-steel；Just beam 4 and steel tower are lined with temporary support, temporary support tool just between pier 2
Body is steel cushion block, and surrounding is fastenedly connected with hook bolt, is acted on as the counter-force of superstructure and deformation are reliably passed to lower part
Structure.
6, just beam 4 is carried out using hardwood levelling, just laid railway sleepers on beam 4 and end slipway, just Dun2Ding is arranged steel tower
Transverse slipway.
7, in the just platforms 1 of existing 6 two sides of bridge, steel tower, just pier 2 and steel tower are just laid with workbench 5 at the top of platform 3, make
Bridge 6 is between two workbenches 5 in left and right；Railing is surrounded by outside workbench 5, lower section is equipped with safety net.
8, the new bridge that will be set up passes through on vertical shift method pushing tow to side workbench 5.
9, in railway blocking time, the support of existing bridge 6 is separated with substructure, built-in unit disconnects, and utilizes
New bridge will be on existing 6 lateral pushing of bridge to the workbench 5 of the other side by transverse slipway as back；Existing bridge
After 6 remove, using the self weight of existing bridge 6, the new bridge on the workbench of the other side can be passed through piecewise slideway be pulled to
At the new Bridge position built, support connection.
10, new bridge transverse stretching, while built-in unit being installed, route trimming, existing bridge 6 is removed by vertical shift mode
On the outside of route.
The present invention on upward slope by setting up simple buttress, using just beam as temporary working platform, to meet in length and breadth
The working space for moving beam completes top using new and old beam weight itself and draws process, and construction method is easy, to tear open on any place from now on
It removes and sets up railroad bridge and provide reference.
Claims (6)
1. a kind of method removed on hillside and set up railroad bridge, the steps include:
1) position of make-shift bridge, is determined on the hillside for the bridge lateral two sides for needing to remove and set up；
2) form that the basis (7) of suspension bridge branch pier, is determined according to geological condition reserves anchor bolt in basic (7) top surface；
3), the two sides construction of existing bridge (6) and the smaller one end of hillside difference in height just platform (1), existing bridge (6) and hillside height
Construct basic (7) in the two sides in the larger one end of difference and middle position；
4), anchor has steel tower just platform (3), existing bridge (6) middle position two on the basis (7) of existing bridge (6) end two sides
Anchor has steel tower just pier (2) on the basis (7) of side；
5), in steel tower, just just transverse and longitudinal I-steel, old girder steel is arranged between platform (3) top and old girder steel in pier (2) and steel tower
It uses, is ridden upon on transverse and longitudinal I-steel as just beam (4)；
6) it, just lays railway sleepers on beam (4) and end slipway, in just platform (1) and steel tower just pier (2) top setting transverse slipway；
7), just just the laying work of platform (3) top is flat for pier (2) and steel tower for just platform (1), the steel tower in existing bridge (6) two sides
Platform (5) makes bridge (6) between two workbenches (5) in left and right；
8) the new bridge that, will be set up passes through on vertical shift method pushing tow to side workbench (5)；
9) in railway blocking time, the support of existing bridge (6) is separated with substructure, built-in unit disconnects, using new
Bridge will be on the workbench (5) of existing bridge (6) lateral pushing to the other side by transverse slipway as back；
10), new bridge transverse stretching, while built-in unit being installed, route trimming, existing bridge (6) is removed by vertical shift mode
On the outside of route.
2. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that: described
Step 9) complete after, using the self weight of existing bridge (6), the new bridge on the workbench of the other side can be passed through piecewise
Slideway is pulled at new Bridge position to be built, support connection.
3. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that: described
Step 2) in, the form of basic (7) specifically includes Extended chemotherapy, pile foundation, well foundation, and specific base form needs base area
The intensity of base, the sedimentation of ground and scour depth when having water determine.
4. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that: described
Step 5) in, just beam (4) and steel tower are lined with temporary support, temporary support is specially steel cushion block, surrounding just between pier (2)
It is fastenedly connected, is acted on as the counter-force of superstructure and deformation are reliably passed to substructure with hook bolt.
5. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that: described
Step 5) complete after, carry out step 6) before, using hardwood to just beam (4) carry out it is levelling.
6. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that: two sides
Railing is surrounded by outside the workbench (5), lower section is equipped with safety net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288206.7A CN108487089B (en) | 2018-04-03 | 2018-04-03 | A method of railroad bridge is removed and set up on hillside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288206.7A CN108487089B (en) | 2018-04-03 | 2018-04-03 | A method of railroad bridge is removed and set up on hillside |
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| Publication Number | Publication Date |
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| CN108487089A CN108487089A (en) | 2018-09-04 |
| CN108487089B true CN108487089B (en) | 2019-08-02 |
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| CN201810288206.7A Active CN108487089B (en) | 2018-04-03 | 2018-04-03 | A method of railroad bridge is removed and set up on hillside |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457613B (en) * | 2018-09-29 | 2022-03-29 | 上海市政工程设计研究总院（集团）有限公司 | Bridge maintenance truss vehicle installation construction method |
| CN108999100B (en) * | 2018-10-08 | 2020-12-29 | 中建八局第一建设有限公司 | Method for dismantling small-span railway bridge body |
| CN109235291B (en) * | 2018-10-18 | 2020-04-07 | 石家庄铁道大学 | Railway bridge beam replacing system |
| CN111827137B (en) * | 2019-04-16 | 2021-11-05 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Can realize pin-connected panel building structure of quick construction |
| CN110184950B (en) * | 2019-05-21 | 2021-02-09 | 宁波市政工程建设集团股份有限公司 | Construction method for rebuilding and expanding new bridge at original site of bridge under condition of ensuring communication |
| CN114658003B (en) * | 2022-04-08 | 2023-07-21 | 中铁第五勘察设计院集团有限公司 | Railway high-low staggered platform reinforcing system and construction method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3628273A1 (en) * | 1986-08-20 | 1988-03-03 | Krupp Gmbh | INSTALLATION SYSTEM FOR A DISASSEMBLABLE BRIDGE |
| JP2001098512A (en) * | 1999-10-04 | 2001-04-10 | Mic:Kk | Construction and removal of the overpass with a jack system |
| CN103614969B (en) * | 2013-12-10 | 2015-06-10 | 中铁二十局集团第一工程有限公司 | Steel truss girder assembling, erecting and construction process |
| CN204531343U (en) * | 2015-04-24 | 2015-08-05 | 中国五冶集团有限公司 | For the horizontal support structure of building operations |
| CN106436594A (en) * | 2016-08-16 | 2017-02-22 | 武汉二航路桥特种工程有限责任公司 | Walking pushing translation dismantling method of beam bridge in uniform-cross section way |
| CN106149576B (en) * | 2016-08-17 | 2017-09-05 | 中铁二十局集团第三工程有限公司 | On removed and construction method of installation across both wired bridge whole groups |
| CN206538684U (en) * | 2016-12-14 | 2017-10-03 | 上海建工七建集团有限公司 | A kind of steel platform for bifurcated section Bridge Erector construction |
| CN107675633A (en) * | 2017-09-27 | 2018-02-09 | 中铁十四局集团有限公司 | The method that the existing whole hole of bridge is changed |
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Effective date of registration: 20200624 Address after: No.10, Zhongshan Road, Hongshunli street, Hebei District, Tianjin Patentee after: The Third Railway Survey and Design Institute Co., Ltd Address before: Jinzhou City, Liaoning Province, 121000 Heping Road Linghe District No. 20 four Patentee before: JINZHOU RAILWAY SURVEY & DESIGN INSTITUTE Co.,Ltd. |