CN107447666A - A kind of single plane cable stayed bridge Hanging Basket method for dismounting - Google Patents
A kind of single plane cable stayed bridge Hanging Basket method for dismounting Download PDFInfo
- Publication number
- CN107447666A CN107447666A CN201710725152.1A CN201710725152A CN107447666A CN 107447666 A CN107447666 A CN 107447666A CN 201710725152 A CN201710725152 A CN 201710725152A CN 107447666 A CN107447666 A CN 107447666A
- Authority
- CN
- China
- Prior art keywords
- hanging basket
- basket
- track
- single plane
- stayed 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention discloses a kind of single plane cable stayed bridge Hanging Basket Demolition Construction method, comprises the following steps：（1）Hanging Basket is reequiped；（2）The Hanging Basket movement for reequiping completion is retreated to planned position；（3）Remove Hanging Basket.The technical program is on the basis of not changing existing prestressed concrete continuous beam and mainly using Hanging Basket cantilever construction and under conditions of guarantee south water to north water quality, by Hanging Basket truss, suspension system and running gear are reequiped, make Hanging Basket return to beyond Nan Shui Beijing University river surface to be removed, when carrying out single plane cable stayed bridge construction in across south water to north trunk canal using construction method of the present invention, can be safe, rapidly, effectively Hanging Basket is moved to beyond trunk canal and removed, will not be to drop in south water to north river any debris and impurity in work progress, any influence will not be produced on the water quality of the south water to north, meet country to the related request across south water to north bridge construction.
Description
Technical field
The present invention relates to a kind of single plane cable stayed bridge Hanging Basket Demolition Construction method, belong to field of bridge construction.
Background technology
Cradle construction, when referring to pour the cantilever glider bridge compared with Long span, using basket method, cantilever operation is segmented on the spot.
Hanging Basket is the load-carrying members that can be slided or roll along back, and its anchoring is suspended in the front end beam section constructed, in Hanging Basket
The installation of the upper template, reinforcing bar, prestress pipe for carrying out next beam section, concrete placing and prestressed stretch-draw, cementing operations are complete
Into after the circulation in a stage, hanging basket advancing and fixation carry out pouring for next section, are so recycled to cantilever pouring completion.
But in general cantilever construction is dropped Hanging Basket system with equipment such as cranes after closure construction.And in Bridge of South-North Water Transfer
Construction in, because the south water to north is water supply project, is not allow for impurity and falls into the water, it is impossible to directly dismantled on river surface, together
When limited by place, cannot be dismantled using equipment such as traditional crane, hoist engines.
The content of the invention
The purpose of the present invention in bridge construction on south water to north trunk canal, after closure can not safely and effectively by
The problem of Hanging Basket is removed, the present invention provide a kind of premise realized and ensure that Hanging Basket Demolition Construction is carried out not on south water to north river surface
Under, can safely, successfully by Hanging Basket remove single plane cable stayed bridge Hanging Basket Demolition Construction method.
To achieve the above object, the technical solution adopted in the present invention is：A kind of single plane cable stayed bridge Hanging Basket Demolition Construction
Method, comprise the following steps：
（1）Hanging Basket is reequiped, and Hanging Basket repacking comprises the following steps：
（1.1）Again Hanging Basket running gear is laid, abolishes former running gear, the laying walking track at the top of box beam：On box beam top
Portion drills, and is followed closely by track and fixes track, track is leveled up using mortar；
（1.2）Transform Hanging Basket suspension system：Four fining twisted steel suspension rods are being laid before and after Hanging Basket bottom basket on the outside of box beam on joist,
And 1 20T chain block is respectively arranged four suspension rod sides, for reducing Hanging Basket bottom basket；Hanging Basket row will be stopped immediately ahead of box beam
Suspension rod, the bottle gouard moved by hands walked are removed；Hanging Basket outboard template is put off on earth on basket, and fixation is stable；
（1.3）Hanging Basket original track is removed, the Hanging Basket strong point is migrated to step（1.1）Walking track on：First, by Hanging Basket bottom
Basket reduces more than 50cm；Then, Hanging Basket is jacked using jack, after removing Hanging Basket original track, slowly falls jack, make Hanging Basket
It is overall to fall, to Hanging Basket before, middle cross beam fall on walking beam, by before Hanging Basket, middle cross beam and the walking beam firm welding；
（1.4）Main couple side adds counterweight on the inside of Hanging Basket, Hanging Basket is reached self-balancing after anchoring is released；
（1.5）Hanging Basket is separated, separates Hanging Basket or so：Horizontal-associate and material distributing machine between two groups of main couples among Hanging Basket are removed, it is real
Existing Hanging Basket or so separation forms left and right Hanging Basket；
（1.6）Hanging Basket repacking is completed；
（2）The Hanging Basket movement for reequiping completion is retreated to planned position：Made using chain block after tethered sliding Hanging Basket makes Hanging Basket
Move back, the Hanging Basket speed of travel is not more than 0.3m/min；
（3）Remove Hanging Basket.
Step（1.1）Described in walking track be 4, described track use 43 rail, between described track is followed closely
Away from for 40 ~ 60cm.
Step（1.2）Described in four fining twisted steel suspension rods on point of suspension be each provided at the both sides of the forward and backward crossbeam of Hanging Basket,
Its lower point of suspension is respectively provided on the outside of the front and rear joist of Hanging Basket bottom basket, and the upper and lower point of suspension side is correspondingly arranged on upper and lower
Suspension ring, 20t chain blocks one end are connected with upper lift ring, and the other end is accordingly connected with lower lift ring.
Step（1.2）And step（1.3）Between it is further comprising the steps of：Hanging Basket outboard template upper end is passed through into finish rolling screw thread
Steel suspension rod and 2 10t chain blocks are suspended in midair to before Hanging Basket, on middle cross beam, and lower end is fixed on the forward and backward joist of bottom basket.
Step（1.3）Described in walking beam bottom be provided with and step（1.1）Described in the road wheel that is adapted of track,
Diagonal brace is fixed between walking beam and hanging basket main truss.
Step（1.5）In counterweight be not less than 17.81T counterweights.
Carry out step（2）When, such as need to stop work for a long time, reply Hanging Basket is fixed, and ensures Hanging Basket fixation.
Step（2）In each walking track respectively gone with 1 10t chain block as traction, chain block one end with being located at
The bar connecting being embedded in box beam immediately ahead of track is walked, the other end is connected with the hanger of walking beam front end, while evenly
The bottle gouard moved by hands of traction left and right Hanging Basket movement is pulled to cause left and right Hanging Basket synchronous walking, the walking deviation of left and right Hanging Basket is not more than
10cm。
Step（3）In dismounting Hanging Basket comprise the following steps：Remove Hanging Basket bottom basket, pallet and construction platform；Remove Hanging Basket
Outer side mold：Remove hanging basket main truss；Dismantling step（1.1）In track.
The beneficial effects of the invention are as follows：The present invention is not changing existing prestressed concrete continuous beam mainly using extension
On the basis of basket cantilever construction and under conditions of guarantee south water to north water quality, by main couple structure, suspension system and running gear
Reequiped, Hanging Basket is returned to beyond south water to north face and removed, done using construction method of the present invention across the south water to north
When canal carries out single plane cable stayed bridge construction, can safely, rapidly, effectively Hanging Basket is moved to beyond trunk canal and removed, applying
During work any shadow will not will not be produced to the water quality of the south water to north to drop in south water to north river any debris and impurity
Ring, meet country to the related request across south water to north bridge construction.
Embodiment
Embodiment：A kind of single plane cable stayed bridge Hanging Basket Demolition Construction method, comprises the following steps：
（1）Hanging Basket is reequiped, and Hanging Basket repacking comprises the following steps：
（1.1）4 walking tracks are laid at the top of box beam：Drilled at the top of box beam, followed closely by track and fix track, track makes
Leveled up to form new walking track with mortar；Track uses 43 rail, and the spacing of track nail is 40 ~ 60cm；
（1.2）Transform Hanging Basket suspension system：It is located at four JL40 fining twisted steel suspension rods sides on the outside of box beam in Hanging Basket bottom basket
It is each to set 1 20t chain block to be used to reduce Hanging Basket bottom basket；Point of suspension is each provided at Hanging Basket on four JL40 fining twisted steel suspension rods
The both sides of forward and backward crossbeam, its lower point of suspension are each provided on the outside of the front and rear joist of Hanging Basket bottom basket, and the upper and lower point of suspension side is equal
Upper and lower suspension ring are correspondingly arranged on, described 20t chain blocks one end is connected with upper lift ring, and the other end accordingly connects with lower lift ring
Connect；All suspension rods for stopping Hanging Basket walking, chain block immediately ahead of box beam are all removed；Hanging Basket outboard template upper end is passed through
Fining twisted steel suspension rod and 2 10t chain blocks are suspended in midair to before Hanging Basket, on middle cross beam, and lower end is fixed to the forward and backward joist of bottom basket
On；Outboard template is loosened, Hanging Basket outboard template is put off on earth on basket
（1.3）Hanging Basket original track is removed, Hanging Basket is moved into step（1.1）Walking track on：First, Hanging Basket bottom basket is reduced
More than 50cm；Then, Hanging Basket is jacked using jack, after removing Hanging Basket original track, slowly falls jack, Hanging Basket is integrally fallen
Under, to Hanging Basket before, after middle cross beam falls on walking beam and adjusts walking track to position suitable, by before Hanging Basket, middle cross beam and institute
Walking beam welding contacting surface is stated to connect firmly；After firm welding before Hanging Basket, middle cross beam and the walking beam be welded with diagonal brace；Walking beam bottom
Portion is provided with and step（1.1）In the road wheel that is adapted of track.
（1.4）Main couple side adds counterweight on the inside of Hanging Basket, is calculated at main couple side on the inside of Hanging Basket and adds and is not less than
17.81T counterweights, Hanging Basket is set to reach self-balancing after anchoring is released；
（1.5）Hanging Basket is separated, separates Hanging Basket or so：The horizontal-associate system among Hanging Basket between two perpendicular truss and material distributing machine are removed,
Realize that Hanging Basket or so separation forms left and right Hanging Basket；The material distributing machine on Hanging Basket can be hung away using crane, while by Hanging Basket
Other auxiliary parts are cleaned out, and Hanging Basket are erected into a lateral incision of the truss among Hanging Basket crossbeam with gas cutting machine, and use crane
Horizontal-associate between two perpendicular truss is hung away, completes Hanging Basket or so separation；
（1.6）Hanging Basket repacking is completed；
（2）The Hanging Basket movement for reequiping completion is retreated to planned position：Made using chain block after tethered sliding Hanging Basket makes Hanging Basket
Move back, the Hanging Basket speed of travel is not more than 0.3m/min；Each walking track is respectively used as traction, chain block by the use of 1 10t chain block
One end and the bar connecting being embedded in box beam immediately ahead of walking track, the other end and the hanger of walking beam front end connect
Connect, while evenly pull the bottle gouard moved by hands of traction left and right Hanging Basket movement to cause left and right Hanging Basket synchronous walking, left and right Hanging Basket
Walking deviation is not more than 10cm.
（3）Remove Hanging Basket：Remove Hanging Basket bottom basket, pallet and construction platform；Remove Hanging Basket outer side mold：Remove main truss cradle
Frame；Dismantling step（1.1）In track.
In order to prevent outboard template excessive to Hanging Basket bottom basket layering power, it is ensured that safer, step of constructing（1.2）And step
（1.3）Between it is further comprising the steps of：Hanging Basket outboard template upper end is passed through into fining twisted steel suspension rod and 2 10t chain blocks
Before suspending Hanging Basket in midair, on middle cross beam, lower end is fixed on the forward and backward joist of bottom basket.
Carry out step（2）When, such as need to stop work for a long time, reply Hanging Basket is fixed, and ensures Hanging Basket fixation.
Claims (9)
- A kind of 1. single plane cable stayed bridge Hanging Basket Demolition Construction method, it is characterised in that comprise the following steps：（1）Hanging Basket is reequiped, and Hanging Basket repacking comprises the following steps：（1.1）Again Hanging Basket running gear is laid, abolishes former running gear, the laying walking track at the top of box beam：On box beam top Portion drills, and is followed closely by track and fixes track, track is leveled up using mortar；（1.2）Transform Hanging Basket suspension system：Four fining twisted steel suspension rods are being laid before and after Hanging Basket bottom basket on the outside of box beam on joist, And 1 20T chain block is respectively arranged four suspension rod sides, for reducing Hanging Basket bottom basket；Hanging Basket row will be stopped immediately ahead of box beam Suspension rod, the bottle gouard moved by hands walked are removed；Hanging Basket outboard template is put off on earth on basket, and fixation is stable；（1.3）Hanging Basket original track is removed, Hanging Basket is moved into step（1.1）Walking track on：First, hanging basket formwork is reduced More than 50cm；Then, Hanging Basket is jacked using jack, after removing Hanging Basket original track, slowly falls jack, Hanging Basket is integrally fallen Under, to Hanging Basket before, after middle cross beam falls on walking beam, by before Hanging Basket, middle cross beam and the walking beam firm welding；（1.4）Adding counterweight on the inside of Hanging Basket by main couple, Hanging Basket is reached self-balancing after anchoring is released；（1.5）Hanging Basket is separated, separates Hanging Basket or so：Horizontal-associate and material distributing machine between two groups of main couples among Hanging Basket are removed, it is real Existing Hanging Basket or so separation forms left and right Hanging Basket；（1.6）Hanging Basket repacking is completed；（2）The Hanging Basket movement for reequiping completion is retreated to design attitude：The Hanging Basket movement for reequiping completion is retreated to planned position： Making tethered sliding Hanging Basket using chain block retreats Hanging Basket, and the Hanging Basket speed of travel is not more than 0.3m/min；（3）Remove Hanging Basket.
- 2. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that step（1.1）In Described walking track is 4, and described track uses 43 rail, and the spacing of described track nail is 40 ~ 60cm.
- 3. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that step（1.2）In Point of suspension is respectively each provided in the both sides of the forward and backward crossbeam of Hanging Basket, its lower point of suspension on four described fining twisted steel suspension rods On the outside of the front and rear joist of Hanging Basket bottom basket, the upper and lower point of suspension side is correspondingly arranged on upper and lower suspension ring, 20t chain blocks One end is connected with upper lift ring, and the other end is accordingly connected with lower lift ring.
- 4. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that step（1.2）With Step（1.3）Between it is further comprising the steps of：Hanging Basket outboard template upper end is pulled by fining twisted steel suspension rod and 2 10t Cucurbit is suspended in midair to before Hanging Basket, on middle cross beam, and lower end is fixed on the forward and backward joist of bottom basket.
- 5. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that step（1.3）In Described walking beam bottom is provided with and step（1.1）Described in the road wheel that is adapted of track, in walking beam and main truss cradle Diagonal brace is fixed between frame.
- 6. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that step（1.5）In Counterweight be not less than 17.81T counterweights.
- 7. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that carry out step（2） When, such as need to stop work for a long time, reply Hanging Basket is fixed, and ensures Hanging Basket fixation.
- 8. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that step（2）In it is every Individual walking track is respectively used as traction, chain block one end and being embedded in immediately ahead of walking track by the use of 1 10t chain block Bar connecting in box beam, the other end are connected with the hanger of walking beam front end, while evenly pull traction left and right Hanging Basket movement Bottle gouard moved by hands cause left and right Hanging Basket synchronous walking, the walking deviation of left and right Hanging Basket is not more than 10cm.
- 9. single plane cable stayed bridge Hanging Basket Demolition Construction method according to claim 1, it is characterised in that step（3）In Hanging Basket is removed to comprise the following steps：Remove Hanging Basket bottom basket, pallet and construction platform；Remove Hanging Basket outer side mold：Remove main truss cradle Frame；Dismantling step（1.1）In track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725152.1A CN107447666B (en) | 2017-08-22 | 2017-08-22 | A kind of single plane cable stayed bridge Hanging Basket method for dismounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725152.1A CN107447666B (en) | 2017-08-22 | 2017-08-22 | A kind of single plane cable stayed bridge Hanging Basket method for dismounting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107447666A true CN107447666A (en) | 2017-12-08 |
| CN107447666B CN107447666B (en) | 2019-06-18 |
Family
ID=60493265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725152.1A Active CN107447666B (en) | 2017-08-22 | 2017-08-22 | A kind of single plane cable stayed bridge Hanging Basket method for dismounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107447666B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158469A (en) * | 2018-04-03 | 2019-08-23 | 中铁十五局集团有限公司 | Integral downward hanging method for formwork for bridge hanging basket construction |
| CN114182651A (en) * | 2021-12-31 | 2022-03-15 | 中铁一局集团有限公司 | Method for dismantling guy cable hanging basket in sections |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10271614A (en) * | 1997-01-24 | 1998-10-09 | Fuji Electric Co Ltd | Drawer type breaker |
| CN101586330A (en) * | 2008-05-22 | 2009-11-25 | 中铁十一局集团第一工程有限公司 | Receding construction method of cradle of continuous girder bridge made of prestressing concrete |
| CN101725111A (en) * | 2008-10-22 | 2010-06-09 | 中铁大桥局集团第一工程有限公司 | Totally enclosed cradle and construction method for suspending cast of concrete by using same |
| CN103437302A (en) * | 2013-08-21 | 2013-12-11 | 中交二公局第一工程有限公司 | Hanging basket construction method for suspension pouring section of single cable plane cable-stayed bridge |
| CN206233122U (en) * | 2016-12-06 | 2017-06-09 | 河南省公路工程局集团有限公司 | For bridge cantilever construction with Hanging Basket movable tower crane |
-
2017
- 2017-08-22 CN CN201710725152.1A patent/CN107447666B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10271614A (en) * | 1997-01-24 | 1998-10-09 | Fuji Electric Co Ltd | Drawer type breaker |
| CN101586330A (en) * | 2008-05-22 | 2009-11-25 | 中铁十一局集团第一工程有限公司 | Receding construction method of cradle of continuous girder bridge made of prestressing concrete |
| CN101725111A (en) * | 2008-10-22 | 2010-06-09 | 中铁大桥局集团第一工程有限公司 | Totally enclosed cradle and construction method for suspending cast of concrete by using same |
| CN103437302A (en) * | 2013-08-21 | 2013-12-11 | 中交二公局第一工程有限公司 | Hanging basket construction method for suspension pouring section of single cable plane cable-stayed bridge |
| CN206233122U (en) * | 2016-12-06 | 2017-06-09 | 河南省公路工程局集团有限公司 | For bridge cantilever construction with Hanging Basket movable tower crane |
Non-Patent Citations (1)
| Title |
|---|
| MARENIN99: "《百度文库》", 21 July 2016 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158469A (en) * | 2018-04-03 | 2019-08-23 | 中铁十五局集团有限公司 | Integral downward hanging method for formwork for bridge hanging basket construction |
| CN114182651A (en) * | 2021-12-31 | 2022-03-15 | 中铁一局集团有限公司 | Method for dismantling guy cable hanging basket in sections |
| CN114182651B (en) * | 2021-12-31 | 2024-06-11 | 中铁一局集团有限公司 | Segmented dismantling method for guy rope hanging basket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107447666B (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104695337B (en) | Self-lifting sliding and turnover construction system and construction method | |
| CN106978784B (en) | A kind of Long span highway suspension bridge Demolition Construction method | |
| CN104195952A (en) | Steel box girder erection method applied to steel and concrete hybrid girder cable-stayed bridge | |
| CN102094392B (en) | Lower supported hanging basket in bridge construction and application thereof | |
| CN108532465A (en) | A kind of construction method of Through Steel case arch bridge | |
| CN101787678B (en) | Large-span section assembling bridge manufacturing machine and assembling construction process thereof | |
| CN107747282B (en) | On across both wired old bridge overall pulling down methods | |
| CN107100074A (en) | A kind of lower bearing arch bridge concrete bridge deck construction method | |
| CN205025086U (en) | Strength nature skeleton concrete beam construction suspend template in midair | |
| CN102146796A (en) | Construction technology for inverted arch of two-track tunnel of high-speed railway | |
| CN102146799A (en) | Construction equipment for inverted arch of two-track tunnel of high-speed railway | |
| CN106284109B (en) | On across both wired bridge main beam method for dismounting | |
| CN102704407A (en) | Construction method of lower guide beam type bridge-erecting crane passing through tunnel | |
| CN102587282B (en) | Large-section simply-supported box girder precasting and assembly process under conditions of strong wind and high altitude | |
| CN102022123A (en) | Integral lining method for tunnel with altered diameter by model board trolley | |
| CN104947604B (en) | A kind of fast quick change frame construction method of high-speed railway 900t concrete box girders | |
| CN107905111A (en) | A kind of rigid frame-continuous girder end bay construction technology | |
| CN107905124A (en) | A kind of symmetrical expression rigid frame-continuous girder construction technology | |
| CN107447666B (en) | A kind of single plane cable stayed bridge Hanging Basket method for dismounting | |
| CN101818479B (en) | Construction process for overhead back-up movement and dismantlement of movable shuttering form | |
| CN206512605U (en) | A kind of overall demolition, installation anticollision wall form and its walking track crane move system | |
| CN106088757B (en) | A kind of construction method for ring beam in the middle part of ultra-large silo and top barrel | |
| CN110468743A (en) | A kind of traveling cradle and construction method for the transformation of old pier coping | |
| CN207987749U (en) | Ride cable-styled erection crane | |
| CN102071646A (en) | Large-tonnage box girder sea system and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |