CN108487089A - 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 PDF

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Publication number
CN108487089A
CN108487089A CN201810288206.7A CN201810288206A CN108487089A CN 108487089 A CN108487089 A CN 108487089A CN 201810288206 A CN201810288206 A CN 201810288206A CN 108487089 A CN108487089 A CN 108487089A
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China
Prior art keywords
bridge
hillside
platform
steel tower
steel
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Granted
Application number
CN201810288206.7A
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Chinese (zh)
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CN108487089B (en
Inventor
刘鑫源
田中春
师武斌
赵锐
郭玉峰
林红卫
孙广龙
施立平
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The Third Railway Survey and Design Institute Co., Ltd
Original Assignee
JINZHOU RAILWAY SURVEY DESIGN CONSULTING CO Ltd
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Priority to CN201810288206.7A priority Critical patent/CN108487089B/en
Publication of CN108487089A publication Critical patent/CN108487089A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

A method of it is removed on hillside and sets up railroad bridge, step is:1) position of make-shift bridge, is determined;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, circuit trimming, existing bridge is removed by vertical shift mode on the outside of circuit.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

A method of railroad bridge is removed and set up on hillside
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 technology
Beam is removed and set up in Large-scale Railway circuit and is generally used Bridge Erector progress, and Bridge Erector is by origin to scene It needs to transport using existing railway circuit, 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 being set 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, cannot be satisfied when applying platform, this scheme is just It cannot be formed.
Invention content
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 is combined is ejected existing bridge lateral using new bridge as back, this construction method is not by place It influences, solves existing in the prior art since hillside length cannot irregularly need to make using crane carriage with traffic condition 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:A method of it is removed on hillside and sets up railroad bridge, step is:
1) position of make-shift bridge, is determined on the hillside for needing the bridge lateral both sides removed 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 both 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 The both sides construction basis in big one end and centre position;
4), anchor has steel tower just platform, the basis of existing bridge centre position both sides on the basis of the both 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 It uses, is ridden upon on transverse and longitudinal I-steel for just beam;
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 platform of existing bridge both 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 bearing of existing bridge is detached 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, circuit trimming, existing bridge is removed by vertical shift mode On the outside of circuit.
It,, can be by other side work using the dead weight of existing bridge after existing bridging toughening after the step 9) is completed Make the new bridge on platform to be pulled to by slideway at new Bridge position to be built piecewise, bearing 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 etc..
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, act as the counter-force of superstructure and deformation reliably passing 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 both sides, lower section is equipped with safety net.
The beneficial effects of the invention are as follows:
(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 be carried out at the same time.
(2) construction method is easy, is not necessarily to large scale equipment, simple for process, is easy to control, operability is strong.
(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.
Description of the drawings
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 implementation mode
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 across mountain valley>20m, new back Width, centre-to-centre spacing are identical as existing bridge.For the bridge location in six degree of earthquake territories, bearing uses rocker bearing, hold-down support to be set to capital Side.Crane or Bridge Erector can not be used more to renew beam to solve the problems, such as to be limited by place in hillside, this bridge utilizes steel tower More renew beam, construction method is simple, and operability is strong, economical and practical, to railway after the first hole beam being removed with vertical traverse beam method Operation interference is small.The Specific construction step sequence of the present embodiment is as follows:
A method of it is removed on hillside and sets up railroad bridge, step is:
1, the position of make-shift bridge is determined on the hillside for needing the bridge lateral both sides removed 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 etc., since geology is preferable generally on hillside, using Extended chemotherapy More, specific base form need to be determined according to the intensity of ground, the sedimentation of ground and scour depth when having water etc..
3, the both 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 both sides in larger one end and centre position construction basis 7.
4, anchor has steel tower just platform 3, the base of 6 centre position both sides of existing bridge on the basis 7 of 6 end both sides of existing bridge Anchor has steel tower just pier 2 on plinth 7.Just just pier 2 is the military steel tower of railway to platform 3 to steel tower with 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 It uses, is ridden upon on transverse and longitudinal I-steel for just beam 4;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, act as the counter-force of superstructure and deformation reliably passing 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 platform 1 of 6 both sides of existing bridge, steel tower, just pier 2 and steel tower are just laid with workbench 5 in 3 top of platform, 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 bearing of existing bridge 6 is detached with substructure, built-in unit disconnects, and utilizes New bridge will be on the workbench 5 of 6 lateral pushing of existing bridge to the other side by transverse slipway as back;Existing bridge After 6 remove, using the dead weight of existing bridge 6, the new bridge on the workbench of the other side can be pulled to by slideway piecewise and be waited for At the new Bridge position built, bearing connection.
10, new bridge transverse stretching, while built-in unit being installed, circuit trimming, existing bridge 6 is removed by vertical shift mode On the outside of circuit.
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 pull process using new and old beam weight itself, and construction method is easy, to be torn 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, step are:
1) position of make-shift bridge, is determined on the hillside for needing the bridge lateral both sides removed 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 both 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 The both sides construction in the larger one end of difference and centre position is basic (7);
4), anchor has steel tower just platform (3), existing bridge (6) centre position two on the basis (7) of existing bridge (6) end both 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 (3) top setting transverse slipway;
7), in the just platform (1) of existing bridge (6) both sides, steel tower, just just the laying work of platform (3) top is flat for pier (2) and steel tower 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 bearing of existing bridge (6) is detached 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, circuit trimming, existing bridge (6) is removed by vertical shift mode On the outside of circuit.
2. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that:It is described Step 9) complete after, using the dead 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, bearing connection.
3. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that:It is 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 etc. determine.
4. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that:It is 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 with hook bolt, act as the counter-force of superstructure and deformation reliably passing to substructure.
5. a kind of method removed on hillside and set up railroad bridge according to claim 1, it is characterised in that:It is 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:Both sides Railing is surrounded by outside the workbench (5), lower section is equipped with safety net.
CN201810288206.7A 2018-04-03 2018-04-03 A method of railroad bridge is removed and set up on hillside Active CN108487089B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108999100A (en) * 2018-10-08 2018-12-14 中建八局第建设有限公司 A kind of small span railroad bridge beam body method for dismounting
CN109235291A (en) * 2018-10-18 2019-01-18 石家庄铁道大学 Railroad bridge changes girder system system, packaging technology and changes beam process
CN109457613A (en) * 2018-09-29 2019-03-12 上海市政工程设计研究总院(集团)有限公司 A kind of bridge maintenance purlin vehicle construction method of installation
CN110184950A (en) * 2019-05-21 2019-08-30 宁波市政工程建设集团股份有限公司 The construction method of bridge former address reorganization and expansion new bridge under a kind of guarantor's gating condition
CN111827137A (en) * 2019-04-16 2020-10-27 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
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

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109457613A (en) * 2018-09-29 2019-03-12 上海市政工程设计研究总院(集团)有限公司 A kind of bridge maintenance purlin vehicle construction method of installation
CN108999100A (en) * 2018-10-08 2018-12-14 中建八局第建设有限公司 A kind of small span railroad bridge beam body method for dismounting
CN109235291A (en) * 2018-10-18 2019-01-18 石家庄铁道大学 Railroad bridge changes girder system system, packaging technology and changes beam process
CN111827137A (en) * 2019-04-16 2020-10-27 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
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
CN110184950A (en) * 2019-05-21 2019-08-30 宁波市政工程建设集团股份有限公司 The construction method of bridge former address reorganization and expansion new bridge under a kind of guarantor's gating condition
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

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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.