CN103437288A - High-pier pouring forming method applied to bridge construction - Google Patents
High-pier pouring forming method applied to bridge construction Download PDFInfo
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- CN103437288A CN103437288A CN2013102974371A CN201310297437A CN103437288A CN 103437288 A CN103437288 A CN 103437288A CN 2013102974371 A CN2013102974371 A CN 2013102974371A CN 201310297437 A CN201310297437 A CN 201310297437A CN 103437288 A CN103437288 A CN 103437288A
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Abstract
The invention discloses a high-pier pouring forming method applied to bridge construction. The high-pier pouring forming method is characterized by comprising the following steps that (1) a heat insulation shed is built; (2) multiple sections of equilong templates are adopted to be superimposed to form a high-pier pier body template inside the heat insulation shed; (3) on the basis of the formed high-pier pier body template, a high-pier pier body with the same height as the high-pier pier body template is poured inside the heat insulation shed in one step; (4) all templates under the topside template are dismounted, and in addition, the topside template is used for the template installation support during the pouring of the lower section of pier body; (5), the pouring height of each section of later high-pier pier body is the sum of the heights of the templates except the topside template in the step (4), and the high-pier pier bodies are sequentially poured until the pouring is completed; and (6) the high-pier pier bodies are maintained in the heat insulation shed to carry out heat insulation maintenance until the final formation is realized. Through the scheme, the high-pier pouring forming method has the advantages that the influence of cold weather on the bridge construction is avoided, the construction quality is ensured, and high practical values and promotion values are realized.
Description
Technical field
The present invention relates to a kind of bridge Construction Technology, specifically, relate to a kind of high pier that is applied to bridge construction and build forming method.
Background technology
Bridge construction has that the cycle is long, construction environment is poor, the technical difficulty high, especially geographical environment this with regard to very poor area.As: Shanxi Province's Shuozhou City is domestic, belongs to the continent monsoon climate, winter is very long, spring and autumn is connected, rain hot same period, solar radiation is strong, light application time is long, the temperature difference greatly, frost-free period is short, drying is windy is the principal character of this regional climate.The average temperature of the whole year 3.9-7.2 ℃ of this area, 37.9 ℃ of Extreme Maximum Temperatures, the extreme lowest temperature-40.4 ℃, belong to cold district by the railway engineering Study on Climate Division.
The bridge construction environment that is similar to this cold district of Shuozhou, shanxi Province is a lot, and bridge construction concerns people's livelihood, very urgent, even external environment is severe, also must construct as early as possible, to completing early work items, comes into operation.And carry out bridge construction under this cold environment, not only to constructor's fitness, require very high, need the constructor to work under cold environment for a long time, and also very high to the every construction process requirement in bridge construction process, conventional construction technology is difficult to make its result to reach project acceptance inspection standard, potential safety hazard easily occurs.As: the construction of the sub-projects such as bridge king-pile, cushion cap, pier stud, beam, all construction environment is had to temperature requirement, if temperature can't meet, very difficult the conforming to quality requirements such as the stake of building out, cushion cap, pier stud, beam, can't use, even use reluctantly, also there is great potential safety hazard, finally can't be by the project acceptance inspection.
Summary of the invention
The object of the present invention is to provide a kind of high pier that is applied to bridge construction to build forming method, mainly solve the Bridge High-pier pier shaft existed in prior art and be cast in the problem that the cold snap construction is difficult to ensure the quality of products.
To achieve these goals, the technical solution used in the present invention is as follows:
The high pier that is applied to bridge construction is built forming method, comprises the following steps:
(1) build roof insulating;
(2) superpose and form the shaft of high pier template in the inner isometric template of more piece that adopts of roof insulating;
(3) take the shaft of high pier template formed is basis, at the inner primary concreting of roof insulating and the contour shaft of high pier of this shaft of high pier template;
(4) remove the following all templates of the superiors' template, and take the support that this superiors' template template when lower joint pier shaft is built installs;
(5) height that after, every joint shaft of high pier is built is the template height sum except the superiors' template described in (4), builds successively shaft of high pier, until built;
(6) keep shaft of high pier insulated curing in roof insulating, until final molding.
Further, build shaft of high pier for the first time in described (3) after, build at every turn and all promote the once height of described roof insulating; The elevated height of cutting described roof insulating completes by pillar crane.
Again further, form removable time is that the shaft of high pier intensity of building in described (3) reaches after form removal requires in described (4).
Further, the inner industrial fan heater that adopts of described roof insulating is warmed oneself; The inner anthracite stove that adopts of described shaft of high pier is warmed oneself.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention adopts the mode of self-built roof insulating to change construction environment, both avoided the impact of extraneous wind on construction, guaranteed again the temperature requirement in the construction environment, made the Bridge High-pier pier shaft no longer be subject to the restriction of environment temperature, even construct and also can guarantee that construction quality is up to standard under cold snap.
(2) to adopt industrial fan heater be roof insulating heating in the present invention, but insulation temperature of shed manual control regulate at any time, thereby make the construction environment temperature remain at the optimum temperature of project demand, and then for guaranteeing that construction quality lays a solid foundation.
(3) the present invention adopts the heating of anthracite stove to shaft of high pier inside, so both can guarantee the temperature of shaft of high pier inside, can not affect again the air quality of roof insulating, thereby, for the constructor in roof insulating provides reliable environment-guarantee, effectively reduced the air quality impact healthy on the constructor.
(4) whole shaft of high pier pouring construction all completes in roof insulating, and that the constructor is subject to the impact of temperature in roof insulating is very little, even without impact, therefore, the constructor can realize uninterrupted break tour operation in 24 hours, thereby provides the basis of realizing for farthest shortening construction period.
(5) the invention solves the adverse effect of construction environment temperature to project construction, make in work progress links realize controlled, the temperature retention time of every section concrete all can reach the regulation requirement, therefore, project construction is that efficiency or quality all can reach state-set standard, kills two birds with one stone.
(6) principle of the invention is simple, and it is convenient to implement, and cost is not high, has effectively solved the adverse effect of low temperature environment to bridge construction, for bridge construction, has opened up a new way, has very large innovative significance and very high practicality and promotional value.
The specific embodiment
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
The shaft of high pier construction of a section of railway track bridge of cold district of below take is example.Suppose that the high pier height that need to build is 106m, for guarantee the section assembling beam according to schedule the duration assembled, the progress that the 25-28# pier needs parallel operations to meet 1.6m ~ 1.9m/ days simultaneously can meet plan time.For accelerating construction progress, reduce the template number of turnover and increase the time that pier shaft is incubated, need configuration 14m/ pier template, build 12m at every turn.
The construction overall principle: high pier construction is taked the scheme of constructing in roof insulating, i.e. constructor's operation, template promote all carries out in roof insulating.For guaranteeing efficiency of construction and concrete temperature retention time, at first in shaft of high pier template outside, set up the roof insulating that 24m is high.Roof insulating adopts self lift type Totally enclosed heat-preserving structure, and this structure is comprised of steel pipe column, steel hoop, transverse truss, vertical truss, ceiling, tarpaulin five parts.
Wherein, steel pipe column is load-bearing pillar, totally 12, is supported on the cushion cap end face.Concrete method to set up is: 12 steel pipe columns surround a coffin, specifically, be, on four angles of rectangle, a steel pipe column respectively is set, then between adjacent two angles, two steel pipe columns are set again, and the steel pipe center to center distance of direction across bridge is 6.4m, along bridge to steel pipe center to center distance be 5.2m.Diameter of steel tube is 1000mm, wall thickness 10mm.The steel pipe column height is approximately than the high 4m of high pier, and the steel pipe saved by 6m mono-forms by Bolt Connection, and steel pipe column is affixed by shaped steel every 20m and bridge pier.
Steel hoop is welded by 4 square steel, and its inboard is welded with 4 supporting legs, in roof insulating jacking process, plays guide effect.Steel hoop all is housed on every steel pipe column, and between every layer, spacing is 6m.Between the steel hoop of every layer, adopt shellfish thunder sheet to connect as transverse truss, between the steel hoop of levels, adopt vertical truss to connect.
Ceiling is supported on the steel hoop of the superiors, by shaped steel, is welded.Ceiling and truss installed inside tarpaulin, and be connected with bridge pier in the roof insulating bottom, guarantee an airtight space of the inner formation of roof insulating.
So, roof insulating has just been built.After this, adopt the template of 7 joint 2m to superpose and form the shaft of high pier template, to realize turnover.Build for the first time pier shaft 14m, after the pier shaft concrete strength meets the form removal requirement, remove and build for the first time six following joint templates of pier shaft top of concrete 2m template, only stay the 2m template of the superiors, the support that during as lower joint pier construction, template is installed.After this build 12m, until the pier shaft height reaches 106m at every turn.Concrete all carries out in roof insulating, and the concrete after form removal is in all the time in canopy and carries out insulated curing, it is remained at and be applicable to the temperature of using.And, in casting process, utilize pillar crane to increase the height of steel pipe column, thus make the height of roof insulating increase and increase along with the pier shaft height, make shaft of high pier all the time in roof insulating inside., build at every turn and highly be 12m from building for the second time due to shaft of high pier, so the steel pipe column of roof insulating also hoisting depth 12m at every turn.As for the lifting of shaft of high pier template, rely on the electric block arranged in pier to complete.
In work progress, two kinds of heating modes of the inside and outside employing of pier shaft: the inner anthracite stove that adopts of pier shaft is warmed oneself, and the pier shaft outside is the heating of the inner employing of roof insulating industrial fan heater.Because warm-air drier is controlled, make the constructor construct and be subject to inside even from weather very little in roof insulating, almost can ignore, therefore can carry out break tour operation in 24 hours, and the temperature retention time that guarantees every section concrete reaches 12 day time, thereby pier shaft concrete quality is realized controlling, make the construction quality of shaft of high pier reach project acceptance inspection standard.
So, the molding construction of building of Bridge High-pier pier shaft has just completed.
Above-described embodiment is only a preferred embodiment of the present invention, not protection scope of the present invention is limited, and adopts design principle of the present invention in every case, and the non-creativeness carried out on present technique basis conversion, all belongs to protection scope of the present invention.
Claims (6)
1. the high pier that is applied to bridge construction is built forming method, it is characterized in that, comprises the following steps:
(1) build roof insulating;
(2) superpose and form the shaft of high pier template in the inner isometric template of more piece that adopts of roof insulating;
(3) take the shaft of high pier template formed is basis, at the inner primary concreting of roof insulating and the contour shaft of high pier of this shaft of high pier template;
(4) remove the following all templates of the superiors' template, and take the support that this superiors' template template when lower joint pier shaft is built installs;
(5) height that after, every joint shaft of high pier is built is the template height sum except the superiors' template described in (4), builds successively shaft of high pier, until built;
(6) keep shaft of high pier insulated curing in roof insulating, until final molding.
2. the high pier that is applied to bridge construction according to claim 1 is built forming method, it is characterized in that, build shaft of high pier for the first time in described (3) after, builds at every turn and all promotes the once height of described roof insulating.
3. the high pier that is applied to bridge construction according to claim 2 is built forming method, it is characterized in that, the elevated height of described roof insulating completes by pillar crane.
4. the high pier that is applied to bridge construction according to claim 3 is built forming method, it is characterized in that, form removable time is that the shaft of high pier intensity of building in described (3) reaches after form removal requires in described (4).
5. the high pier that is applied to bridge construction according to claim 4 is built forming method, it is characterized in that, the inner industrial fan heater that adopts of described roof insulating is warmed oneself.
6. the high pier that is applied to bridge construction according to claim 5 is built forming method, it is characterized in that, the inner anthracite stove that adopts of described shaft of high pier is warmed oneself.
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| CN201310297437.1A CN103437288B (en) | 2013-07-16 | 2013-07-16 | Forming method built by the high pier being applied to bridge construction |
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| CN201310297437.1A CN103437288B (en) | 2013-07-16 | 2013-07-16 | Forming method built by the high pier being applied to bridge construction |
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| CN103437288A true CN103437288A (en) | 2013-12-11 |
| CN103437288B CN103437288B (en) | 2015-12-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625189A (en) * | 2016-01-25 | 2016-06-01 | 赵立财 | Hollow high-pier concrete pouring heat preservation and maintenance system |
| CN105951599A (en) * | 2016-05-23 | 2016-09-21 | 中交第航务工程局有限公司 | High-upright formwork integrated construction technology |
| CN108385528A (en) * | 2016-09-18 | 2018-08-10 | 山东省交通科学研究院 | A kind of application method of low temperature season pier stud concrete heat-insulating health preserving equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050082024A (en) * | 2004-02-17 | 2005-08-22 | (주)다산컨설턴트 | Heating panel of bridge for winter work |
| CN102108678A (en) * | 2011-01-18 | 2011-06-29 | 龙建路桥股份有限公司 | High-altitude construction complete set device and method in winter |
| CN202194074U (en) * | 2011-09-02 | 2012-04-18 | 中铁上海工程局有限公司 | Pier body heat-insulating template |
| CN202416186U (en) * | 2012-01-16 | 2012-09-05 | 中交第一公路工程局有限公司 | Concrete insulation hood for piers in winter construction |
-
2013
- 2013-07-16 CN CN201310297437.1A patent/CN103437288B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050082024A (en) * | 2004-02-17 | 2005-08-22 | (주)다산컨설턴트 | Heating panel of bridge for winter work |
| CN102108678A (en) * | 2011-01-18 | 2011-06-29 | 龙建路桥股份有限公司 | High-altitude construction complete set device and method in winter |
| CN202194074U (en) * | 2011-09-02 | 2012-04-18 | 中铁上海工程局有限公司 | Pier body heat-insulating template |
| CN202416186U (en) * | 2012-01-16 | 2012-09-05 | 中交第一公路工程局有限公司 | Concrete insulation hood for piers in winter construction |
Non-Patent Citations (3)
| Title |
|---|
| 张晓炜等: "《高速铁路桥梁施工技术与装备》", 31 January 2010, article "桥梁高墩施工工艺及设备", pages: 41 * |
| 徐彬: "桥梁高墩冬期施工保温棚设计", 《石家庄铁道大学学报（自然科学版）》, vol. 26, no. 1, 31 May 2013 (2013-05-31), pages 61 - 63 * |
| 曹玉新: "青藏铁路三岔河特大桥空心薄壁高墩寒季混凝土施工技术", 《中国安全科学学报》, vol. 16, no. 1, 31 January 2006 (2006-01-31), pages 97 - 103 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625189A (en) * | 2016-01-25 | 2016-06-01 | 赵立财 | Hollow high-pier concrete pouring heat preservation and maintenance system |
| CN105625189B (en) * | 2016-01-25 | 2020-05-15 | 赵立财 | Hollow high pier concrete placement heat preservation maintenance system |
| CN105951599A (en) * | 2016-05-23 | 2016-09-21 | 中交第航务工程局有限公司 | High-upright formwork integrated construction technology |
| CN105951599B (en) * | 2016-05-23 | 2018-10-09 | 中交第一航务工程局有限公司 | High column mould bases integrated construction technique |
| CN108385528A (en) * | 2016-09-18 | 2018-08-10 | 山东省交通科学研究院 | A kind of application method of low temperature season pier stud concrete heat-insulating health preserving equipment |
| CN108385528B (en) * | 2016-09-18 | 2019-06-28 | 山东省交通科学研究院 | A kind of application method of low temperature season pier stud concrete heat-insulating health preserving equipment |
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| CN103437288B (en) | 2015-12-02 |
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Address after: The eastern section of the town of Xueyuan Road Xindu Xindu District of Chengdu city of Sichuan Province, No. 289 610000 Applicant after: CHINA RAILWAY CONSTRUCTION BRIDGE ENGINEERING BUREAU GROUP OF THE FIFTH ENGINEERING Co.,Ltd. Applicant after: CHINA RAILWAY CONSTRUCTION BRIDGE ENGINEERING BUREAU GROUP Co.,Ltd. Address before: The eastern section of the town of Xueyuan Road Xindu Xindu District of Chengdu city of Sichuan Province, No. 289 610000 Applicant before: CHINA RAILWAY CONSTRUCTION BRIDGE ENGINEERING BUREAU GROUP OF THE FIFTH ENGINEERING Co.,Ltd. Applicant before: China thirteen Railway Construction Bureau Group Co.,Ltd. Address after: The eastern section of the town of Xueyuan Road Xindu Xindu District of Chengdu city of Sichuan Province, No. 289 610000 Applicant after: CHINA RAILWAY CONSTRUCTION BRIDGE ENGINEERING BUREAU GROUP OF THE FIFTH ENGINEERING Co.,Ltd. Applicant after: China thirteen Railway Construction Bureau Group Co.,Ltd. Address before: The eastern section of the town of Xueyuan Road Xindu Xindu District of Chengdu city of Sichuan Province, No. 289 610000 Applicant before: Fifth Engineering Co.,Ltd. of China Railway 13th Bureau Group Applicant before: CHINA RAILWAY 13TH BUREAU GROUP Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: CHINESE RAILWAY CONSTRUCTION 13TH BUREAU GROUP CO., LTD. TO: CHINESE RAILWAY CONSTRUCTION BRIDGE ENGINEERING BUREAU GROUP CO., LTD. Free format text: CORRECT: APPLICANT; FROM: CHINA RAILWAY 13TH BUREAU GROUP CO., LTD. TO: CHINESE RAILWAY CONSTRUCTION 13TH BUREAU GROUP CO., LTD. Free format text: CORRECT: APPLICANT; FROM: CR13BG NO.5 ENGINEERING CO., LTD. TO: CHINA RAILWAY CONSTRUCTION BRIDGE ENGINEERING BUREAU GROUP OF THE FIFTH ENGINEERING CO., LTD. |
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