CN110042766A - A kind of CFST Arch Bridge insulation film construction method - Google Patents
A kind of CFST Arch Bridge insulation film construction method Download PDFInfo
- Publication number
- CN110042766A CN110042766A CN201910448158.8A CN201910448158A CN110042766A CN 110042766 A CN110042766 A CN 110042766A CN 201910448158 A CN201910448158 A CN 201910448158A CN 110042766 A CN110042766 A CN 110042766A
- Authority
- CN
- China
- Prior art keywords
- insulation film
- arch bridge
- filled steel
- steel tubular
- construction method
- 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.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims description 23
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 6
- 230000032258 transport Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of CFST Arch Bridge insulation film construction methods, the following steps are included: insulation film, the top of Filled Steel Tubular Arch Bridge is sent to using insulation film automatic conveyor by a, the setting insulation film automatic conveyor at Filled Steel Tubular Arch Bridge；B, insulation film is removed on Filled Steel Tubular Arch Bridge, and insulation film is coated on to the periphery of Filled Steel Tubular Arch Bridge.The present invention transports film using the heat preservation automatic conveyor, cooling rate can be effectively reduced by being laid with one layer of heat preservation film to package outside the arch rib of CFST Arch Bridge, reduce pipe inner concrete internal-external temperature difference, effectively reduces the inhomogeneous deformation of pipe inner concrete and the generation of unsticking, problem of coming to nothing.
Description
Technical field
The present invention relates to CFST Arch Bridge Winter Construction Techniques fields, specifically, being related to a kind of concrete filled steel tube
Arch bridge insulation film construction method.
Background technique
CFST Arch Bridge is quickly grown, and with rigidity, the good advantage of big, good economy performance, durability, especially exists
It is more highlighted in railroad bridge.
Under the background that line is built energetically in Sichuan-Tibet, since built environment is severe, the completion time of project is tight, the task factors shadow such as again
It rings, winter low temperature construction is difficult to avoid that.However after CFST Arch Bridge is closed up, pipe inner concrete jacks pumping construction and needs one
Fixed ambient temperature requirements.Pipe inner concrete jacking pumping construction is carried out at a temperature of low temperature environment in winter, pipe inner concrete is first
First hy-dration reaction, temperature steeply rise.After hydration heat temperature reaches peak value, since ambient temperature effect declines immediately, directly
To reaching environment temperature.In the process, since concrete heating conduction is bad, the concrete temperature close to steel pipe wall is by ring
Border temperature is affected, and core concrete is impacted smaller, will lead to and generates the larger temperature difference in arch rib section.Especially in pipe
During concrete temperature drop, the huge temperature difference can cause pipe inner concrete inhomogeneous deformation, so that it is de- to form steel pipe concrete arch rib
It glues, problem of coming to nothing, influences construction quality.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of CFST Arch Bridge insulation film construction method, utilize
Device transports film, and cooling speed can be effectively reduced by being laid with one layer of heat preservation film to package outside the arch rib of CFST Arch Bridge
Degree reduces pipe inner concrete internal-external temperature difference, effectively reduces the inhomogeneous deformation and unsticking, problem of coming to nothing of pipe inner concrete
It generates.
In order to solve the above technical problems, the technical scheme is that
A kind of CFST Arch Bridge insulation film construction method, comprising the following steps:
A, insulation film automatic conveyor is set at Filled Steel Tubular Arch Bridge, utilizes insulation film automatic conveyor
Insulation film is sent to the top of Filled Steel Tubular Arch Bridge；
B, insulation film is removed on Filled Steel Tubular Arch Bridge, and insulation film is coated on Filled Steel Tubular Arch Bridge
Periphery.
As a further improvement, the insulation film automatic conveyor includes being set to Filled Steel Tubular Arch Bridge one end
The hoist engine at place, and the fixed pulley above the Filled Steel Tubular Arch Bridge other end, the output shaft of the hoist engine
On be wound with transmission rope, one end of the transmission rope is fixedly connected with the output shaft of the hoist engine, the transmission rope it is another
End is fixedly connected after bypassing the fixed pulley with the output shaft of the hoist engine；Link is equipped at intervals on the lower surface of transmission rope；
Insulation film interval is hung on the transmission rope on the downside of the fixed pulley, starts hoist engine, drives the transmission rope clockwise
It is run around the fixed pulley, sequentially drives insulation film to the top of Filled Steel Tubular Arch Bridge.
As a further improvement, between the hoist engine and the fixed pulley, and it is located at Filled Steel Tubular Arch Bridge
Top be equipped at intervals with support wheel, the support wheel is fixed pulley.
As a further improvement, the transmission rope is the nylon rope or cable wire of ring seal.
As a further improvement, the spacing distance of the adjacent link is not more than the length of a roll of insulation film.
As a further improvement, the insulation film automatic conveyor includes being respectively arranged on Filled Steel Tubular Arch Bridge
Bracket at both ends, rope is connected between the bracket at both ends, and the rope is equipped with cable loop wheel machine, the end of the rope
Portion extends to ground, and is connected with earth anchor.
As a further improvement, the insulation film is polyethylene plastic film.
As a further improvement, in the step b, insulation film circumferentially coats the outer of Filled Steel Tubular Arch Bridge
It encloses.
As a further improvement, at least two pieces heat preservations are coated in same section of peripheral surface of Filled Steel Tubular Arch Bridge
Film, the neighboring edge overlapping of two pieces of adjacent insulation films.
As a further improvement, the insulation film edge be arranged velcro, two pieces of adjacent insulation films it is adjacent heavy
Folded edge is pasted by the velcro to be connected.
After above-mentioned technical proposal, the beneficial effects of the present invention are:
CFST Arch Bridge insulation film construction method of the invention transports film using device, to concrete-filled steel tube arch
Package, which is laid with one layer of heat preservation film, outside the arch rib of bridge can effectively reduce cooling rate, reduce pipe inner concrete internal-external temperature difference,
Effectively reduce the inhomogeneous deformation of pipe inner concrete and the generation of unsticking, problem of coming to nothing.And film is transported using device auxiliary
Onto the arch rib of CFST Arch Bridge, does not have to again artificial transport, greatly reduce labor intensity, improve efficiency.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is a kind of structural schematic diagram of the insulation film automatic conveyor in the present invention；
Fig. 2 is the usage state diagram for the arch rib that Fig. 1 is applied to CFST Arch Bridge；
Fig. 3 is longitudinal schematic cross-sectional view of Fig. 2；
Fig. 4 is a kind of longitudinal schematic cross-sectional view of the arch rib cladding film of the CFST Arch Bridge in Fig. 2；
Fig. 5 is another structural schematic diagram of the insulation film automatic conveyor in the present invention；
In figure: 1- Filled Steel Tubular Arch Bridge；2- hoist engine；3- fixed pulley；4- support wheel；5- transmission rope；6- link；
7- insulation film；8- velcro；9- bracket；10- rope；11- earth anchor；12- cable loop wheel machine.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 4, CFST Arch Bridge insulation film construction method of the invention, comprising the following steps:
A, insulation film automatic conveyor is set at Filled Steel Tubular Arch Bridge 1, automatically delivers dress using insulation film
Set the top that insulation film 7 is sent to Filled Steel Tubular Arch Bridge 1；
B, insulation film 7 is removed on Filled Steel Tubular Arch Bridge 1, and insulation film 7 is coated on CFST Arch Bridge arch
The periphery of rib 1.
Wherein, insulation film automatic conveyor can be taken with flowering structure:
Hoist engine 2 is set at 1 one end of Filled Steel Tubular Arch Bridge, on 1 other end of Filled Steel Tubular Arch Bridge
Fixed pulley 3 is set at side, transmission rope 5, one end of transmission rope 5 and the output shaft of hoist engine 2 are wound on the output shaft of hoist engine 2
It is fixedly connected, the other end of transmission rope 5 is fixedly connected after bypassing fixed pulley 3 with the output shaft of hoist engine 2；The following table of transmission rope 5
Link 6 is equipped at intervals on face.Nylon rope or cable wire can be used in transmission rope 5.
Between hoist engine 2 and fixed pulley 3, and the top for being located at Filled Steel Tubular Arch Bridge 1 is equipped at intervals with support wheel 4.
Support wheel 4 is fixed pulley 3.
The spacing distance of adjacent link 6 is not more than the length of a roll of insulation film.
Insulation film 7 is spaced when use on the transmission rope 5 for hanging over 3 downside of fixed pulley, starts hoist engine 2, drives transmission rope 5
It is run clockwise about fixed pulley 3, sequentially drives insulation film to the top of Filled Steel Tubular Arch Bridge 1；
As a further improvement, in the step b, insulation film 7 circumferentially coats the outer of Filled Steel Tubular Arch Bridge 1
It encloses.
Referring to Fig. 5, insulation film automatic conveyor can also be taken with flowering structure, the two of Filled Steel Tubular Arch Bridge 1
Bracket 9 is set at end, rope 10 is connected between the bracket 9 at both ends, rope 10 is equipped with cable loop wheel machine 12, the end of rope 10
Ground is extended to, and is connected with earth anchor 11, forms cable Lift-on/Lift-off System.It is the system that CFST Arch Bridge sets up installation,
It can utilize very well, set up institution without repeating.After Filled Steel Tubular Arch Bridge closes up, the cable of handling arch rib is utilized
Thermal insulation material is hung in lifting place and starts to lift by crane, is then hoisted to designated position, mat formation by rope Lift-on/Lift-off System.
Wherein, polyethylene plastic film can be used in insulation film 7.It is a thin layer of as plating after bubble chamber film by blow moulded polyethyene
Aluminium film.Light weight, thickness is thin, and heat insulation effect is good.As a further improvement, same section of week of Filled Steel Tubular Arch Bridge 1
At least two pieces of insulation films, the neighboring edge overlapping of two pieces of adjacent insulation films are coated on surface.
As a further improvement, velcro 8 is arranged in the edge of insulation film 7, follows the principle of " upper pressure ", connection position
It sets using velcro firm pasting and the laying that partly overlaps, the adjacent overlapping edges of two pieces of adjacent insulation films 7 is made to pass through magic
Patch 8 pastes connection.When being laid with using two pieces or four pieces of insulation films, it is laid with according to the sequence of " outside after in elder generation ".
After the completion of full-bridge insulation film is laid with, filling concrete construction can be carried out.It is reduced to hydration heat of concrete temperature
I.e. about after a week close to after environment temperature, insulation film can be recycled.Velcro is pulled open, insulation film is spooled, uses cable hoisting
System transports insulation film segmentation back.Recycling heat preservation membrane material, rolls storage, can repeatedly utilize.
The above is the citing of best mode for carrying out the invention, wherein the part that do not address in detail is that this field is common
The common knowledge of technical staff.Protection scope of the present invention is based on the contents of the claims, any based on technology of the invention
The equivalent transformation of enlightenment and progress, also within protection scope of the present invention.
Claims (10)
1. a kind of CFST Arch Bridge insulation film construction method, which comprises the following steps:
A, insulation film automatic conveyor is set at Filled Steel Tubular Arch Bridge, will be protected using insulation film automatic conveyor
Warm film is sent to the top of Filled Steel Tubular Arch Bridge；
B, insulation film is removed on Filled Steel Tubular Arch Bridge, and insulation film is coated on the outer of Filled Steel Tubular Arch Bridge
It encloses.
2. CFST Arch Bridge insulation film construction method according to claim 1, it is characterised in that: the insulation film is certainly
Dynamic transmission device includes the hoist engine at Filled Steel Tubular Arch Bridge one end, and is set to Filled Steel Tubular Arch Bridge
Fixed pulley above the other end, is wound with transmission rope on the output shaft of the hoist engine, one end of the transmission rope with it is described
The output shaft of hoist engine is fixedly connected, and the other end of the transmission rope is around the output shaft after the fixed pulley with the hoist engine
It is fixedly connected；Link is equipped at intervals on the lower surface of transmission rope；Insulation film interval is hung over to the biography on the downside of the fixed pulley
In dynamic search, start hoist engine, the transmission rope is driven to run clockwise about the fixed pulley, sequentially drives insulation film mixed to steel pipe
The top of solidifying soil arch rib.
3. CFST Arch Bridge insulation film construction method according to claim 2, it is characterised in that: the hoist engine with
Between the fixed pulley, and it is located above Filled Steel Tubular Arch Bridge and is equipped at intervals with support wheel, the support wheel is fixed sliding
Wheel.
4. CFST Arch Bridge insulation film construction method according to claim 3, it is characterised in that: the transmission rope is
The nylon rope or cable wire of ring seal.
5. CFST Arch Bridge insulation film construction method according to claim 4, it is characterised in that: the adjacent link
Spacing distance be not more than the length of a roll of insulation film.
6. CFST Arch Bridge insulation film construction method according to claim 1, it is characterised in that: the insulation film is certainly
Dynamic transmission device includes the bracket being respectively arranged at Filled Steel Tubular Arch Bridge both ends, is connected between the bracket at both ends
Rope, the rope are equipped with cable loop wheel machine, and the end of the rope extends to ground, and is connected with earth anchor.
7. CFST Arch Bridge insulation film construction method according to any one of claims 1 to 6, it is characterised in that: institute
Stating insulation film is polyethylene plastic film.
8. CFST Arch Bridge insulation film construction method according to claim 7, it is characterised in that: in the step b,
Insulation film circumferentially coats the periphery of Filled Steel Tubular Arch Bridge.
9. CFST Arch Bridge insulation film construction method according to claim 8, it is characterised in that: concrete-filled steel tube arch
At least two pieces of insulation films, the neighboring edge overlapping of two pieces of adjacent insulation films are coated in same section of peripheral surface of bridge arch rib.
10. CFST Arch Bridge insulation film construction method according to claim 9, it is characterised in that: the insulation film
Edge velcro is set, the adjacent overlapping edges of two pieces of adjacent insulation films paste connection by the velcro.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448158.8A CN110042766A (en) | 2019-05-27 | 2019-05-27 | A kind of CFST Arch Bridge insulation film construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910448158.8A CN110042766A (en) | 2019-05-27 | 2019-05-27 | A kind of CFST Arch Bridge insulation film construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110042766A true CN110042766A (en) | 2019-07-23 |
Family
ID=67283682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910448158.8A Pending CN110042766A (en) | 2019-05-27 | 2019-05-27 | A kind of CFST Arch Bridge insulation film construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110042766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501520A (en) * | 2020-05-08 | 2020-08-07 | 重庆交通大学 | Pouring process for preventing concrete filled steel tube from being emptied |
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|---|---|---|---|---|
| CN101519864A (en) * | 2009-03-30 | 2009-09-02 | 中铁二十三局集团第三工程有限公司 | Method for mounting box arch bridge |
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| CN103891550A (en) * | 2014-04-17 | 2014-07-02 | 郑西江 | Three-layer vegetable tunnel with single heat preservation quilt |
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| CN105839546A (en) * | 2016-06-01 | 2016-08-10 | 中交四公局第五工程有限公司 | Arch rib buckling and hanging installing structure of steel pipe arch bridge |
| KR20180012134A (en) * | 2016-07-26 | 2018-02-05 | 배기웅 | A winder of blankets and vinyl cover in greenhouses |
| CN108660935A (en) * | 2018-05-29 | 2018-10-16 | 广西路桥工程集团有限公司 | A kind of construction method of reinforced concrete arch bridge |
| CN109577174A (en) * | 2019-01-17 | 2019-04-05 | 中交四公局第十工程有限公司 | Attemperator and its application method after a kind of pier stud concrete demoulding |
-
2019
- 2019-05-27 CN CN201910448158.8A patent/CN110042766A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519864A (en) * | 2009-03-30 | 2009-09-02 | 中铁二十三局集团第三工程有限公司 | Method for mounting box arch bridge |
| KR20110121380A (en) * | 2010-04-30 | 2011-11-07 | 김숙자 | Apparatus of opening and shutting cover for green house |
| CN102535872A (en) * | 2012-01-16 | 2012-07-04 | 中交第一公路工程局有限公司 | Thermal insulation method and concrete thermal insulation cover for winter construction of pier column |
| CN102808379A (en) * | 2012-08-22 | 2012-12-05 | 株洲时代新材料科技股份有限公司 | Device for arch bridge inspection |
| CN103255712A (en) * | 2013-05-29 | 2013-08-21 | 株洲时代新材料科技股份有限公司 | Device and method suitable for inspecting and maintaining different steel arch bridge arches |
| CN103891550A (en) * | 2014-04-17 | 2014-07-02 | 郑西江 | Three-layer vegetable tunnel with single heat preservation quilt |
| CN205378610U (en) * | 2016-02-23 | 2016-07-13 | 宁夏地德科技有限公司 | Inside and outside heat -preservation type sunlight greenhouse |
| CN105839546A (en) * | 2016-06-01 | 2016-08-10 | 中交四公局第五工程有限公司 | Arch rib buckling and hanging installing structure of steel pipe arch bridge |
| KR20180012134A (en) * | 2016-07-26 | 2018-02-05 | 배기웅 | A winder of blankets and vinyl cover in greenhouses |
| CN108660935A (en) * | 2018-05-29 | 2018-10-16 | 广西路桥工程集团有限公司 | A kind of construction method of reinforced concrete arch bridge |
| CN109577174A (en) * | 2019-01-17 | 2019-04-05 | 中交四公局第十工程有限公司 | Attemperator and its application method after a kind of pier stud concrete demoulding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501520A (en) * | 2020-05-08 | 2020-08-07 | 重庆交通大学 | Pouring process for preventing concrete filled steel tube from being emptied |
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