CN104404923A - Arch dam bracket template device and construction method based on arch dam bracket template device - Google Patents
Arch dam bracket template device and construction method based on arch dam bracket template device Download PDFInfo
- Publication number
- CN104404923A CN104404923A CN201410695224.9A CN201410695224A CN104404923A CN 104404923 A CN104404923 A CN 104404923A CN 201410695224 A CN201410695224 A CN 201410695224A CN 104404923 A CN104404923 A CN 104404923A
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- Prior art keywords
- truss
- sub
- arch dam
- concrete
- feet
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/08—Wall dams
- E02B7/12—Arch dams
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an arch dam bracket template device and a construction method based on the arch dam bracket template device. The device comprises a prefabricated concrete overhang plate, a supporting truss, an anchoring part and a connection support, wherein the anchoring part is anchored in concrete of an arch dam; the connection support is connected to the top of the anchoring part and positioned outside the concrete of the arch dam; and the supporting truss is connected to the back side of the prefabricated concrete overhang plate. The method comprises the following steps: S1, prefabrication, and installation of the anchoring part and the connection; S2, overall lifting; S3, pouring; S4, circulation of S2 and S3 until the pouring of a bracket cantilever is completed. The arch dam bracket template device and the construction method have advantages of operation simplicity, short construction period, and high security.
Description
Technical field
The present invention relates generally to building engineering construction field, particularly relates to a kind of arch dam bracket plate device and the construction method based on this device.
Background technology
In the Arch Dam Structure of hydraulic engineering, need to arrange a large amount of bracket structures, in bracket structure work progress, the construction of cantilever position is particularly crucial, and the difficult point of cantilever position concrete construction is work high above the ground.In prior art, it is the mode of on-the-spot formwork erection that cantilever position concrete lower part supports what adopt, namely the bracket template of supporting the reinforcement of concrete is that on-the-spot in bulk faling apart tears formula structure open, due to the complexity at bracket position, adopt the on-the-spot loose mode of tearing open in bulk in this high-altitude to there is great potential safety hazard, meanwhile, its difficulty of construction is also very large, substantially prolongs construction period, raise construction cost.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, the arch dam bracket plate device providing a kind of simple to operate, short construction period, safety high and the construction method based on this device.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of arch dam bracket plate device, comprise and concrete prefabricatedly hang plate, sub-truss, anchoring piece and connection bearing by the feet, described anchoring piece is anchored in the concrete of arch dam, described connection bearing is connected to anchoring piece top and to be positioned at the concrete of arch dam outside, described sub-truss be connected to concrete prefabricated hang the dorsal part of plate by the feet and the bottom of sub-truss be connected bearing and connect.
Further improvement as said apparatus:
Described concrete prefabricated dorsal part of hanging plate by the feet is anchored i iron, and described sub-truss is welded to connect by the first junction plate and described i iron.
Described i iron is equiped with the suspension ring for lifting.
Described sub-truss is welded to connect with the described bearing that is connected by the second junction plate.
Described sub-truss is steel truss.
Based on a construction method for above-mentioned arch dam bracket plate device, comprise the following steps:
S1: prefabrication, anchoring piece and be connected bearing is installed: make in advance in factory and concrete prefabricatedly hang plate and sub-truss by the feet, sub-truss is connected to concrete prefabricated dorsal part of hanging plate by the feet, anchoring piece being anchored in the concrete of arch dam, being connected to anchoring piece top and the concrete outside being positioned at arch dam by connecting bearing simultaneously;
S2: integral hoisting: factory is connected in advance and overall concrete prefabricatedly hangs plate and sub-truss handling by the feet to job site, then by the bottom of sub-truss be connected bearing and connect;
S3: build: hang backboard side concreting by the feet along concrete prefabricated, make concrete cover whole sub-truss and be connected bearing, simultaneously the pre-buried anchoring piece installing next unit of the TOC of building be connected bearing;
S4: keep step S2 and step S3 circulation to carry out, until complete whole bracket to hang building of arm by the feet.
Further improvement as said method:
In step sl, be first anchored at concrete prefabricated dorsal part of hanging plate by the feet and have i iron, then sub-truss is welded to connect by the first junction plate and i iron.
In step s 2, cable machine or tower machine are connected with the suspension ring on i iron overall concrete prefabricatedly hang plate by the feet and sub-truss carries out handling installation to connecting into.
In step s 2, by sub-truss by the second junction plate be connected bearing and be welded to connect.
Compared with prior art, the invention has the advantages that:
Arch dam bracket plate device of the present invention, this plate device comprises concrete prefabricatedly hangs plate by the feet, sub-truss, anchoring piece be connected bearing, anchoring piece is anchored in the concrete of arch dam, connect bearing and be connected to anchoring piece top and the concrete outside being positioned at arch dam, sub-truss is connected to concrete prefabricated dorsal part of hanging plate by the feet, and the bottom of sub-truss be connected bearing and connect, in this structure, concrete prefabricatedly hang plate by the feet, sub-truss, anchoring piece be connected bearing and all can make in batch in advance in factory, during installation, first sub-truss is connected with concrete prefabricated plate of hanging by the feet, again by anchoring piece be connected bearing and be arranged on the concrete of arch dam, last only all-in-one-piece sub-truss need be hung by the feet plate with concrete prefabricated and be connected bearing and connect, the installation work of a unit bracket plate device can be completed, comparatively traditional structure, this plate device has the feature of free removal, can by strong time loss such as storehouse surface concretes in rear pre-fabricated factory, shorten the standby storehouse time of this cantilever-face, substantially reduce construction period, reduce difficulty of construction and construction cost, simultaneously, without facing idle job face during whole plate device construction, substantially increase the safety of construction, and in lifting and installation, achieve the standardization of cantilever position construction, be conducive to the raising of cantilever position construction quality.The construction method of arch dam bracket plate device of the present invention, has the feature of free removal, and whole work progress, without facing idle job face, therefore possesses the corresponding technique effect of above-mentioned arch dam bracket plate device.
Accompanying drawing explanation
Fig. 1 is the structural representation of arch dam bracket plate device of the present invention.
Fig. 2 is the flow chart of arch dam bracket plate device construction method of the present invention.
In figure, each label represents:
1, concrete prefabricatedly plate is hung by the feet; 2, sub-truss; 3, anchoring piece; 4, bearing is connected; 5, i iron; 6, the first junction plate; 7, suspension ring; 8, the second junction plate.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
As shown in Figure 1, the embodiment of arch dam bracket plate device of the present invention, this plate device comprises concrete prefabricatedly hangs plate 1 by the feet, sub-truss 2, anchoring piece 3 be connected bearing 4, anchoring piece 3 is anchored in the concrete of arch dam, connect bearing 4 and be connected to anchoring piece 3 top and the concrete outside being positioned at arch dam, sub-truss 2 is connected to concrete prefabricated dorsal part of hanging plate 1 by the feet, and the bottom of sub-truss 2 be connected bearing 4 and connect, in this structure, concrete prefabricatedly hang plate 1 by the feet, sub-truss 2, anchoring piece 3 be connected bearing 4 and all can make in batch in advance in factory, during installation, first sub-truss 2 is connected with concrete prefabricated plate 1 of hanging by the feet, again by anchoring piece 3 be connected bearing 4 and be arranged on the concrete of arch dam, last only all-in-one-piece sub-truss 2 need be hung by the feet plate 1 with concrete prefabricated and be connected bearing 4 and connect, the installation work of a unit bracket plate device can be completed, comparatively traditional structure, this plate device has the feature of free removal, can by strong time loss such as storehouse surface concretes in rear pre-fabricated factory, shorten the standby storehouse time of this cantilever-face, substantially reduce construction period, reduce difficulty of construction and construction cost, simultaneously, without facing idle job face during whole plate device construction, substantially increase the safety of construction, and in lifting and installation, achieve the standardization of cantilever position construction, be conducive to the raising of cantilever position construction quality.
In the present embodiment, concrete prefabricated dorsal part of hanging plate 1 by the feet is anchored i iron 5, sub-truss 2 is welded to connect with i iron 5 by the first junction plate 6, by arranging i iron 5 and the first junction plate 6, ensure that concrete prefabricated solderability of hanging by the feet between plate 1 and sub-truss 2, improve bonding strength.
In the present embodiment, i iron 5 being equiped with the suspension ring 7 for lifting, only cable machine or tower machine need being connected with the suspension ring 7 on i iron 5, concrete prefabricatedly can hang plate 1 by the feet and sub-truss 2 carries out handling installation to what connect into entirety, it is simple and practical.
In the present embodiment, sub-truss 2 by the second junction plate 8 be connected bearing 4 and be welded to connect, this the second junction plate 8 one aspect make sub-truss 2 be connected bearing 4 connect time, sub-truss 2 can carry out the adjustment of angle, to ensure that concrete prefabricated angle of hanging by the feet of hanging plate 1 by the feet meets construction requirement, on the other hand, improve sub-truss 2 and the bonding strength being connected bearing 4.
In the present embodiment, sub-truss 2 is steel truss, adopts steel truss, when ensureing support strength, having again good resistant tarnishing, being beneficial to and making in batch, realizes the standardization of construction.
As depicted in figs. 1 and 2, the embodiment of the construction method of arch dam bracket plate device of the present invention, comprises the following steps:
S1: prefabrication, anchoring piece 3 and be connected bearing 4 is installed: make in advance in factory and concrete prefabricatedly hang plate 1 and sub-truss 2 by the feet, sub-truss 2 is connected to concrete prefabricated dorsal part of hanging plate 1 by the feet, anchoring piece 3 being anchored in the concrete of arch dam, being connected to anchoring piece 3 top and the concrete outside being positioned at arch dam by connecting bearing 4 simultaneously;
S2: integral hoisting: factory is connected in advance and overall concrete prefabricatedly hangs plate 1 and sub-truss 2 handling by the feet to job site, then by the bottom of sub-truss 2 be connected bearing 4 and connect;
S3: build: hang plate 1 dorsal part concreting by the feet along concrete prefabricated, make concrete cover whole sub-truss 2 and be connected bearing 4, simultaneously the pre-buried anchoring piece 3 installing next unit of the TOC of building be connected bearing 4;
S4: keep step S2 and step S3 circulation to carry out, until complete whole bracket to hang building of arm by the feet.
The on-the-spot loose method of tearing open in bulk in more traditional high-altitude, construction method of the present invention has the feature of free removal, can by strong time loss such as storehouse surface concretes in rear pre-fabricated factory, shorten the standby storehouse time of this cantilever-face, substantially reduce construction period, reduce difficulty of construction and construction cost, simultaneously, without facing idle job face during whole plate device construction, substantially increase the safety of construction, and in lifting and installation, achieve the standardization of cantilever position construction, be conducive to the raising of cantilever position construction quality.
In the present embodiment, in step sl, first be anchored at concrete prefabricated dorsal part of hanging plate 1 by the feet and have i iron 5, again sub-truss 2 is welded to connect with i iron 5 by the first junction plate 6, by arranging i iron 5 and the first junction plate 6, ensure that concrete prefabricated solderability of hanging by the feet between plate 1 and sub-truss 2, improve bonding strength.
In the present embodiment, in step s 2, cable machine or tower machine are connected overall concrete prefabricatedly hang plate 1 by the feet and sub-truss 2 carries out handling installation to connecting into the suspension ring 7 on i iron 5, it is simple to operation.
In the present embodiment, in step s 2, by sub-truss 2 by the second junction plate 8 be connected bearing 4 and be welded to connect, this the second junction plate 8 one aspect make sub-truss 2 be connected bearing 4 connect time, sub-truss 2 can carry out the adjustment of angle, to ensure that concrete prefabricated angle of hanging by the feet of hanging plate 1 by the feet meets construction requirement, on the other hand, improve sub-truss 2 and the bonding strength being connected bearing 4.
Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (9)
1. an arch dam bracket plate device, it is characterized in that: comprise and concrete prefabricatedly hang plate (1), sub-truss (2), anchoring piece (3) by the feet and be connected bearing (4), described anchoring piece (3) is anchored in the concrete of arch dam, described connection bearing (4) is connected to anchoring piece (3) top and to be positioned at the concrete of arch dam outside, described sub-truss (2) be connected to concrete prefabricated hang the dorsal part of plate (1) by the feet and the bottom of sub-truss (2) be connected bearing (4) and connect.
2. arch dam bracket plate device according to claim 1, it is characterized in that: described concrete prefabricated dorsal part of hanging plate (1) by the feet is anchored i iron (5), and described sub-truss (2) is welded to connect by the first junction plate (6) and described i iron (5).
3. arch dam bracket plate device according to claim 2, is characterized in that: described i iron (5) is equiped with the suspension ring (7) for lifting.
4. arch dam bracket plate device according to claim 3, is characterized in that: described sub-truss (2) is welded to connect with the described bearing (4) that is connected by the second junction plate (8).
5. arch dam bracket plate device according to any one of claim 1 to 4, is characterized in that: described sub-truss (2) is steel truss.
6., based on a construction method for the arch dam bracket plate device according to any one of claim 1 to 5, it is characterized in that: comprise the following steps:
S1: prefabrication, anchoring piece (3) and be connected bearing (4) is installed: make in advance in factory and concrete prefabricatedly hang plate (1) and sub-truss (2) by the feet, sub-truss (2) is connected to concrete prefabricated dorsal part of hanging plate (1) by the feet, anchoring piece (3) is anchored in the concrete of arch dam, bearing (4) will be connected simultaneously and be connected to anchoring piece (3) top and the concrete outside being positioned at arch dam;
S2: integral hoisting: factory is connected in advance and overall concrete prefabricatedly hangs plate (1) and sub-truss (2) handling by the feet to job site, then by the bottom of sub-truss (2) be connected bearing (4) and connect;
S3: build: hang plate (1) dorsal part concreting by the feet along concrete prefabricated, make concrete cover whole sub-truss (2) and be connected bearing (4), simultaneously the pre-buried anchoring piece (3) installing next unit of the TOC of building be connected bearing (4);
S4: keep step S2 and step S3 circulation to carry out, until complete whole bracket to hang building of arm by the feet.
7. the construction method based on arch dam bracket plate device according to claim 6, it is characterized in that: in step sl, first be anchored at concrete prefabricated dorsal part of hanging plate (1) by the feet and have i iron (5), then sub-truss (2) is welded to connect by the first junction plate (6) and i iron (5).
8. the construction method based on arch dam bracket plate device according to claim 7, it is characterized in that: in step s 2, cable machine or tower machine are connected with the suspension ring (7) on i iron (5) and overall concrete prefabricatedly hang plate (1) by the feet and sub-truss (2) carries out handling installation to connecting into.
9. the construction method based on arch dam bracket plate device according to claim 6, is characterized in that: in step s 2, by sub-truss (2) by the second junction plate (8) be connected bearing (4) and be welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410695224.9A CN104404923A (en) | 2014-11-27 | 2014-11-27 | Arch dam bracket template device and construction method based on arch dam bracket template device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410695224.9A CN104404923A (en) | 2014-11-27 | 2014-11-27 | Arch dam bracket template device and construction method based on arch dam bracket template device |
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| Publication Number | Publication Date |
|---|---|
| CN104404923A true CN104404923A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410695224.9A Pending CN104404923A (en) | 2014-11-27 | 2014-11-27 | Arch dam bracket template device and construction method based on arch dam bracket template device |
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| CN (1) | CN104404923A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237300A (en) * | 2017-07-19 | 2017-10-10 | 上海勘测设计研究院有限公司 | Dam hangs the concrete prefabricated formwork structure of body by the feet |
| CN108505500A (en) * | 2018-05-19 | 2018-09-07 | 中水电第十工程局（郑州）有限公司 | It is a kind of to tilt seamless spliced prefab-form and its installation method |
| CN116950017A (en) * | 2023-07-26 | 2023-10-27 | 中国水利水电第三工程局有限公司 | Construction method for top concrete structure of guide wall of dam spillway |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1700134A1 (en) * | 1990-01-22 | 1991-12-23 | Ленинградское Отделение Всесоюзного Проектно-Изыскательского И Научно-Исследовательского Института Гидропроект Им.С.Я.Жука | Method for construction of concrete arch dam |
| CN203821326U (en) * | 2014-05-08 | 2014-09-10 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Force transferring hole structure for arch dam foundation processing |
| CN204252082U (en) * | 2014-11-27 | 2015-04-08 | 中国水利水电第八工程局有限公司 | Arch dam bracket plate device |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1700134A1 (en) * | 1990-01-22 | 1991-12-23 | Ленинградское Отделение Всесоюзного Проектно-Изыскательского И Научно-Исследовательского Института Гидропроект Им.С.Я.Жука | Method for construction of concrete arch dam |
| CN203821326U (en) * | 2014-05-08 | 2014-09-10 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Force transferring hole structure for arch dam foundation processing |
| CN204252082U (en) * | 2014-11-27 | 2015-04-08 | 中国水利水电第八工程局有限公司 | Arch dam bracket plate device |
Non-Patent Citations (2)
| Title |
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| 张学珍: "混凝土预制模板在溪洛渡大坝工程中的应用", 《科技视界》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237300A (en) * | 2017-07-19 | 2017-10-10 | 上海勘测设计研究院有限公司 | Dam hangs the concrete prefabricated formwork structure of body by the feet |
| CN108505500A (en) * | 2018-05-19 | 2018-09-07 | 中水电第十工程局（郑州）有限公司 | It is a kind of to tilt seamless spliced prefab-form and its installation method |
| CN116950017A (en) * | 2023-07-26 | 2023-10-27 | 中国水利水电第三工程局有限公司 | Construction method for top concrete structure of guide wall of dam spillway |
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Application publication date: 20150311 |
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