CN101413248A - External inclined type concrete arch rib construction method and hydraulic self-creeping formwork equipment - Google Patents
External inclined type concrete arch rib construction method and hydraulic self-creeping formwork equipment Download PDFInfo
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- CN101413248A CN101413248A CNA2008101476240A CN200810147624A CN101413248A CN 101413248 A CN101413248 A CN 101413248A CN A2008101476240 A CNA2008101476240 A CN A2008101476240A CN 200810147624 A CN200810147624 A CN 200810147624A CN 101413248 A CN101413248 A CN 101413248A
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Abstract
The invention applies to the field of bridge construction, and provides a method for constructing camber-type concrete arch ribs, as well as a hydraulic self-ascending mold device. The method is to utilize the hydraulic self-ascending mold device for construction by adopting a self-ascending mold segmented cantilever casting mode. A rail and a template of the self-ascending mold device are both in the shape of a straight line or straight surface, or are both in the shape of a curve or a curved surface. The method constructs the camber-type concrete arch ribs by adopting the self-ascending mold segmented cantilever casting mode, wherein the guide rail and the template of the self-ascending mold device can be in the shape of a curve or a curved surface; as the template and a bracket of the device can be repeatedly used during the construction of the arch ribs, steel used for the template and the bracket can not be wasted; in addition, the method can greatly improve construction efficiency, shortens construction period, and realizes that a cast concrete arch rib is small in the deviation value of structural three-dimensional coordinate, accurate in structure size, smooth in line shape and clear in edge angle, and achieves the high-precision requirements on line shape deviation.
Description
Technical field
The invention belongs to field of bridge construction, relate in particular to a kind of external inclined type concrete arch rib construction method and hydraulic self-creeping formwork equipment.
Background technology
What the arch rib construction of present domestic arch bridge was adopted mostly is the construction of support method, i.e. full configuration template and full framing method construction.Though this job practices construction technology is simple, stressed clear and definite, but for irregular structure, the for example construction of the concrete arch rib of external inclined type, adopt that then there is the template waste in the construction of support method, efficient is low, the cycle is long, timbering cost with height, pre-pressing bracket is difficult and the linear problem such as assurance that is difficult to.
Summary of the invention
The objective of the invention is to: a kind of external inclined type concrete arch rib construction method is provided, is intended to solve the problem that existing arch rib construction method exists the template waste seriously, linear to be difficult to guarantee, efficiency of construction is low, the support steel using amount is big.
The object of the present invention is achieved like this:
A kind of external inclined type concrete arch rib construction method, described method are to utilize hydraulic self-creeping formwork equipment to adopt to construct from the mode of the segmented cantilever pouring of creeping formwork.
Described guide rail and template from creeping formwork is all linearly and face shape, perhaps all curved shape and curved surface shape directly.
When building described arch rib wall when being the sections of facing directly, adopt guide rail and template hydraulic self-creeping formwork equipment all linearly and that face shape directly to construct; When building described arch rib wall when being the sections of curved surface, adopt guide rail and all curved shape of template and curved hydraulic self-creeping formwork equipment to construct.
When described from creeping formwork guide rail and when all curved shape of template and curved surface shape, their curvature is identical.
It is characterized in that described template comprises arch tank wall inner formword and exterior sheathing.
Described external inclined type concrete arch rib is the different in nature structures of the two inclinations of hyperboloid.
The top board of described arch rib, base plate and three external molds of outer coxostermum adopt the hydraulic self-creeping formwork construction.
Another object of the present invention is to: a kind of hydraulic self-creeping formwork equipment is provided, and the guide rail of described self-creeping formwork equipment and template are all linearly and face shape, perhaps all curved shape and curved surface shape directly.
When described from creeping formwork guide rail and when all curved shape of template and curved surface shape, their curvature is identical.
Described template comprises arch tank wall inner formword and exterior sheathing.
Outstanding advantage of the present invention is: the present invention is by adopting from the construction to external inclined type concrete arch rib of the mode of the segmented cantilever pouring of creeping formwork, wherein the guide rail of self-creeping formwork equipment and template can be curve-like and curved surface shape, because its template and support can repeat repeatedly to use in for the construction of arch rib, can not cause the waste of template and support with steel, and can greatly improve efficiency of construction, shorten construction period, the structure three-dimensional grid deviation value of the concrete arch rib that realization is built out is little, physical dimension is accurate, linear smoothness, corner angle are clearly demarcated, and linear deviation reaches high-precision requirement.
Description of drawings
Fig. 1 is the construction sequence schematic diagram of the external inclined type concrete arch rib sections that provides of the embodiment of the invention;
The partial schematic diagram that Fig. 2 is the employing hydraulic self-creeping formwork equipment that provides of the embodiment of the invention to the arch rib wall when being the part construction of curved surface.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The external inclined type concrete arch rib construction method that the embodiment of the invention provides adopts mode from the segmented cantilever pouring of creeping formwork to realize construction to external inclined type concrete arch rib by the hydraulic self-creeping formwork equipment that utilizes optional curve or rectilinear orbit and template.
In embodiments of the present invention, described external inclined type concrete arch rib is the different in nature structures of the two inclinations of hyperboloid.
Fig. 1 a-f shows the construction sequence schematic diagram of the external inclined type concrete arch rib sections that the embodiment of the invention provides, and details are as follows:
Step 1 (is seen Fig. 1 a): when building from the last sections concrete 3 of creeping formwork when finishing, prepare form removal;
Step 2 (seeing Fig. 1 b): remove the interior external mold of arch tank wall earlier to pull bar 2, pull down arch tank wall inner formword 1, utilize template adjusting screw(rod) 7 to move back arch tank wall exterior sheathing 5 again;
Step 3 (seeing Fig. 1 c): attachment rail suspension member 8 on the built-in fitting 4 that after moving back mould, stays, adjustment is positioned at the climb yoke ratchet direction of oil cylinder 9 upper and lower sides of hydraulic pressure, make its yoke live guide rail 10, start HYDRAULIC CONTROL SYSTEM oil cylinder 9 jacking guide rails 10 (climbing form frame 11 keeps motionless), treat that guide rail 10 jackings put in place, and after being located on the embedded part bearing 8, mounting guide rail latch 12, and remove and to stay the suspension member 6 that leading portion has been vacated on the concreting;
Step 4 (seeing Fig. 1 d): adjust yoke ratchet direction once more, make its yoke live climbing form frame 11, and remove the drawknot on the climbing form frame, start HYDRAULIC CONTROL SYSTEM oil cylinder 9 jacking climbing form frames 11 (guide rail 10 keeps motionless);
Step 5 (seeing Fig. 1 e): treat that climbing form frame 11 jackings put in place, utilize template adjusting screw(rod) 7 will encircle 5 adjustings of tank wall exterior sheathing and put in place;
Step 6 (seeing Fig. 1 f): mounting arch tank wall inner formword 1 and interior external mold carry out concreting to pull bar 2.
By guide rail 10 and climbing form frame 11 this alternately attached walls, promote the other side each other, climbing form frame 11 can successively promote along the built-in fitting on the body of wall 4.
Because the wall of the part sections of arch rib is the curved surface of arc, therefore, in embodiments of the present invention, has also designed curvilinear guide rail and curved arch tank wall template for hydraulic self-creeping formwork equipment.
When building the arch rib wall when being the sections of facing directly, adopt guide rail and template hydraulic self-creeping formwork equipment all linearly and that face shape directly to construct, and when the wall of arch rib carries out the transition to curved surface from facing directly, then the guide rail of hydraulic self-creeping formwork equipment and template change curve-like and curved into, proceed construction again, guide rail can be attached to by built-in fitting and water on the section concrete structure.
The partial schematic diagram that Fig. 2 promptly shows employing hydraulic self-creeping formwork equipment that the embodiment of the invention provides when being the part construction of curved surface to the arch rib wall.
In embodiments of the present invention, when described from creeping formwork guide rail and when all curved shape of template and curved surface shape, their curvature is identical, and only top board, base plate and three external molds of outer coxostermum of arch rib adopt hydraulic self-creeping formwork to construct.
The embodiment of the invention is by adopting from the construction to external inclined type concrete arch rib of the mode of the segmented cantilever pouring of creeping formwork, wherein the guide rail of self-creeping formwork equipment and template can be curve-like and curved surface shape, because its template and support can repeat repeatedly to use in for the construction of arch rib, can not cause the waste of template and support with steel, and can greatly improve efficiency of construction, shorten construction period, the structure three-dimensional grid deviation value of the concrete arch rib that realization is built out is little, physical dimension is accurate, linear smoothness, corner angle are clearly demarcated, linear deviation reaches high-precision requirement, thereby, guaranteed construction safety for the steel box arch rib installation provides good basis, quality and duration.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of external inclined type concrete arch rib construction method is characterized in that, described method is to utilize hydraulic self-creeping formwork equipment to adopt to construct from the mode of the segmented cantilever pouring of creeping formwork.
2, external inclined type concrete arch rib construction method as claimed in claim 1 is characterized in that, described guide rail and template from creeping formwork is all linearly and face shape, perhaps all curved shape and curved surface shape directly.
3, external inclined type concrete arch rib construction method as claimed in claim 2 is characterized in that, when building described arch rib wall when being the sections of facing directly, adopts guide rail and template hydraulic self-creeping formwork equipment all linearly and that face shape directly to construct; When building described arch rib wall when being the sections of curved surface, adopt guide rail and all curved shape of template and curved hydraulic self-creeping formwork equipment to construct.
4, external inclined type concrete arch rib construction method as claimed in claim 2 is characterized in that, when described from creeping formwork guide rail and when all curved shape of template and curved surface shape, their curvature is identical.
As each described external inclined type concrete arch rib construction method among the claim 2-4, it is characterized in that 5, described template comprises arch tank wall inner formword and exterior sheathing.
6, external inclined type concrete arch rib construction method as claimed in claim 1 is characterized in that, described external inclined type concrete arch rib is the different in nature structures of the two inclinations of hyperboloid.
7, external inclined type concrete arch rib construction method as claimed in claim 1 is characterized in that, the top board of described arch rib, base plate and three external molds of outer coxostermum adopt the hydraulic self-creeping formwork construction.
8, a kind of hydraulic self-creeping formwork equipment is characterized in that, the guide rail of described self-creeping formwork equipment and template are all linearly and face shape, perhaps all curved shape and curved surface shape directly.
9, hydraulic self-creeping formwork equipment as claimed in claim 8 is characterized in that, when described from creeping formwork guide rail and when all curved shape of template and curved surface shape, their curvature is identical.
10, hydraulic self-creeping formwork equipment as claimed in claim 8 or 9 is characterized in that, described template comprises arch tank wall inner formword and exterior sheathing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101476240A CN101413248A (en) | 2008-11-20 | 2008-11-20 | External inclined type concrete arch rib construction method and hydraulic self-creeping formwork equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101476240A CN101413248A (en) | 2008-11-20 | 2008-11-20 | External inclined type concrete arch rib construction method and hydraulic self-creeping formwork equipment |
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| CN101413248A true CN101413248A (en) | 2009-04-22 |
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| CNA2008101476240A Pending CN101413248A (en) | 2008-11-20 | 2008-11-20 | External inclined type concrete arch rib construction method and hydraulic self-creeping formwork equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011032322A1 (en) * | 2009-09-21 | 2011-03-24 | 珠海市晶艺玻璃工程有限公司 | Hoisting system used for buildings |
| CN105298102A (en) * | 2015-10-12 | 2016-02-03 | 中国建筑第二工程局有限公司 | Movable steel structure special-shaped rail car scaffold and construction method |
| CN110294425A (en) * | 2019-07-30 | 2019-10-01 | 中信国安建工集团有限公司 | A kind of detachable tower crane climbing device and construction method |
| CN111926712A (en) * | 2020-08-12 | 2020-11-13 | 中交武汉港湾工程设计研究院有限公司 | Intelligent construction method for main tower with large inclination angle |
| CN112031401A (en) * | 2020-08-05 | 2020-12-04 | 上海建工集团股份有限公司 | Two-way adjustable automatic template opening and closing system of climbing formwork and use method thereof |
| CN113147939A (en) * | 2021-03-23 | 2021-07-23 | 中建三局集团有限公司 | Stroke-adjustable intermittent top die climbing system and climbing frame and climbing method thereof |
| CN113202282A (en) * | 2021-04-12 | 2021-08-03 | 中交武汉港湾工程设计研究院有限公司 | Self-climbing device |
-
2008
- 2008-11-20 CN CNA2008101476240A patent/CN101413248A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011032322A1 (en) * | 2009-09-21 | 2011-03-24 | 珠海市晶艺玻璃工程有限公司 | Hoisting system used for buildings |
| CN105298102A (en) * | 2015-10-12 | 2016-02-03 | 中国建筑第二工程局有限公司 | Movable steel structure special-shaped rail car scaffold and construction method |
| CN110294425A (en) * | 2019-07-30 | 2019-10-01 | 中信国安建工集团有限公司 | A kind of detachable tower crane climbing device and construction method |
| CN112031401A (en) * | 2020-08-05 | 2020-12-04 | 上海建工集团股份有限公司 | Two-way adjustable automatic template opening and closing system of climbing formwork and use method thereof |
| CN111926712A (en) * | 2020-08-12 | 2020-11-13 | 中交武汉港湾工程设计研究院有限公司 | Intelligent construction method for main tower with large inclination angle |
| CN111926712B (en) * | 2020-08-12 | 2021-09-17 | 中交武汉港湾工程设计研究院有限公司 | Intelligent construction method for main tower with large inclination angle |
| CN113147939A (en) * | 2021-03-23 | 2021-07-23 | 中建三局集团有限公司 | Stroke-adjustable intermittent top die climbing system and climbing frame and climbing method thereof |
| CN113202282A (en) * | 2021-04-12 | 2021-08-03 | 中交武汉港湾工程设计研究院有限公司 | Self-climbing device |
| CN113202282B (en) * | 2021-04-12 | 2022-04-22 | 中交武汉港湾工程设计研究院有限公司 | Self-climbing device |
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Effective date of registration: 20090626 Address after: Postal code 10, Ma Jia Huayuan Road, Sichuan, Chengdu: 610032 Applicant after: China Railway two Bureau Co., Ltd. Co-applicant after: China Railway Erju 5th Engineering Co., Ltd. Address before: Postal code 10, Ma Jia Huayuan Road, Sichuan, Chengdu: 610032 Applicant before: China Railway Erju Co., Ltd. |
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Open date: 20090422 |