CN204386152U - The sliding formwork system of large-diameter cylinder body structure - Google Patents
The sliding formwork system of large-diameter cylinder body structure Download PDFInfo
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- CN204386152U CN204386152U CN201420807872.4U CN201420807872U CN204386152U CN 204386152 U CN204386152 U CN 204386152U CN 201420807872 U CN201420807872 U CN 201420807872U CN 204386152 U CN204386152 U CN 204386152U
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Abstract
The utility model discloses a kind of sliding formwork system of large-diameter cylinder body structure, solve the problem that barrel sliding formwork system in existing construction technology and top cover form bracing system exist construction installation divergence.Be included in the barrel (1) of having built and be embedded with support bar (2) and gate hoisting frame (7), in the barrel of having built, lateral surface is provided with in sliding formwork, external mold template, sliding formwork internal mold enclosure (6), sliding formwork external mold enclosure (5) is fixed together with the lower end of gate hoisting frame respectively, the excircle of heart cylinder (11) is in the structure provided with radial light steel truss (12) at equal intervals radian, outer end and the annular girder steel (10) of radial light steel truss (12) are bolted to connection, annular girder steel (10) is fixedly welded in sliding formwork internal mold enclosure (6), bracing frame (13) is provided with between the adjacent radial light steel truss of two Pin (12).The utility model structure is simple, artificial and instrument less investment.
Description
Technical field
The present invention relates to a kind of sliding shuttering construction system of cylindrical shell structure, particularly a kind of slding form operation system of large-diameter cylinder body structure.
Background technology
In industrial construction, often to carry out the construction of large-diameter cylinder body structure, such as: reinforced concrete silo, water tower etc.It is large that steel reinforced concrete tube structure has diameter, the feature that cylindrical shell is high and difficulty of construction is large.When constructing steel concrete cylindrical shell, be cylindrical shell basis of first constructing, sliding formwork system is installed on cylindrical shell basis again, carry out setting up and pouring into a mould of cylindrical shell template stage by stage.Existing sliding formwork system is pre-buried support bar in the barrel of building, support bar installs hoisting frame, hoisting frame is respectively arranged with sliding formwork inner formword and sliding formwork exterior sheathing, cylindrical shell central authorities are provided with a spider, between spider and inner formword, set up radial pull bar formed and support the ring-type of inner formword, the outer end of radial pull bar is bolted together through the bolt hole arranged inside hoisting frame, when each hoisting frame jacking on cylindrical shell is asynchronous, realize correction by the radical length of release bolt adjusting yoke.Owing to setting up radial pull bar limited strength between spider and inner formword, doublely can not do interior operating platform, therefore, need separately to arrange operating platform in the annular of encorbelmenting inside hoisting frame, it is narrow and small generally to there is the scope of operation in the interior operating platform of annular, the problem that operation is inconvenient and potential safety hazard is many.In Wall Construction, after present stage, cylindrical shell was built, hoisting frame has been moved up along pre-buried support bar, has constructed the template system of next section of barrel, then carried out next section of cylindrical shell concreting, until complete whole cylindrical shell construct work.
Because general cylindrical shell structure are provided with reinforced concrete canopy, after barrel of having constructed according to a conventional method, need to remove former sliding formwork system, set up full hall scaffold separately, as the support system of top cover construction.But full hall scaffold support system scaffolding height is too high, also large to ground requirement for bearing capacity, the taking to tear open of scaffold need drop into a large amount of manpowers and three steel instruments, and the cycle of setting up is longer.
Summary of the invention
The invention provides a kind of sliding formwork system of large-diameter cylinder body structure, solve the barrel sliding formwork system in existing construction technology and top cover form bracing system independence separately, there is construction installation divergence, drop into the technical problem of manpower and equipment cost height and long construction period.
The present invention solves above technical problem by the following technical programs:
A kind of sliding formwork system of large-diameter cylinder body structure, comprise the barrel of having built, support bar is embedded with in the barrel of having built, support bar is provided with gate hoisting frame, the medial surface of the barrel of having built is provided with sliding formwork inside molding plate, the lateral surface of the barrel of having built is provided with sliding formwork external mold template, the enclosure of sliding formwork external mold is had in sliding formwork external mold template arranged outside, the enclosure of sliding formwork internal mold is provided with inside sliding formwork inside molding plate, the enclosure of sliding formwork internal mold is fixedly connected with the lower end of the inner side suspension rod of gate hoisting frame, the enclosure of sliding formwork external mold is fixedly connected with the lower end of the outside suspension rod of gate hoisting frame, on the excircle of heart cylinder in the structure at equal intervals radian be provided with radial light steel truss, together with the outer end of radial light steel truss is bolted to connection with annular girder steel, bracing frame is provided with between the adjacent radial light steel truss of two Pin, scaffolding board is equipped with at bracing frame, annular girder steel is fixedly welded in the enclosure of sliding formwork internal mold.
Sliding formwork inside molding plate is provided with the sliding formwork internal mold enclosure of road, upper, middle and lower three.
A construction method for the sliding formwork system of large-diameter cylinder body structure, comprises the following steps:
The first step, in the barrel of having built pre-buried support bar, support bar is installed gate hoisting frame, the medial surface of the barrel of having built arranges sliding formwork inside molding plate, the lateral surface of the barrel of having built arranges sliding formwork external mold template, in the enclosure of sliding formwork external mold template arranged outside sliding formwork external mold, the enclosure of sliding formwork internal mold is set inside sliding formwork inside molding plate;
Second step, the lower end of the inner side suspension rod of the enclosure of sliding formwork internal mold and gate hoisting frame to be fixed together, the lower end of the sliding formwork external mold enclosure of lower circle and the outside suspension rod of gate hoisting frame is fixed together;
On the excircle of the 3rd step, in the structure heart cylinder, the radial light steel truss of welding of radian at equal intervals, together with being bolted the outer end of radial light steel truss, constitutes operating platform in sliding formwork system with annular girder steel; Annular girder steel is welded in the enclosure of sliding formwork internal mold;
4th step, hoisting frame moved up along support bar and constructs the template system of next section of barrel, then next section of cylindrical shell concreting is carried out, in the end in one section of cylindrical shell concreting along the equally spaced pre-buried bracket welding embedded element of cylinder inboard wall, the concrete of the whole cylindrical shell of casting complete;
5th step, inner side weldable steel bracket at pre-buried bracket welding embedded element;
6th step, departs from annular girder steel and the enclosure of sliding formwork internal mold, is fixedly welded on steel corbel by the outer ring of the platform be made up of structure centre cylinder, radial light steel truss and annular girder steel, forms top cover form bracing system.
Barrel sliding formwork system and top cover form bracing system unite two into one by the present invention, in the barrel sliding stage, operating platform mainly bears deadweight and slding form operation load, and barrel is sliding to top, then as upper mould support system, bear cap structure deadweight, working load and the weight of itself.Structure of the present invention is simple, easy to adjust, and artificial and instrument less investment, the duration is short.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the present invention overlooks the structural representation on direction;
Fig. 3 is bracket welding embedded element 15 of the present invention, fiting relation figure between steel corbel 16 and annular girder steel 10.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of sliding formwork system of large-diameter cylinder body structure, comprise the barrel 1 of having built, support bar 2 is embedded with in the barrel 1 of having built, support bar 2 is provided with gate hoisting frame 7, the medial surface of the barrel 1 of having built is provided with sliding formwork inside molding plate 4, the lateral surface of the barrel 1 of having built is provided with sliding formwork external mold template 3, sliding formwork external mold enclosure 5 is had in sliding formwork external mold template 3 arranged outside, sliding formwork internal mold enclosure 6 is provided with inside sliding formwork inside molding plate 4, sliding formwork internal mold enclosure 6 is fixedly connected with the lower end of the inner side suspension rod 9 of gate hoisting frame 7, sliding formwork external mold enclosure 5 is fixedly connected with the lower end of the outside suspension rod 8 of gate hoisting frame 7, on the excircle of heart cylinder 11 in the structure at equal intervals radian be provided with radial light steel truss 12, together with the outer end of radial light steel truss 12 is bolted to connection with annular girder steel 10, bracing frame 13 is provided with between the adjacent radial light steel truss 12 of two Pin, scaffolding board 14 is equipped with at bracing frame 13, annular girder steel 10 is fixedly welded in sliding formwork internal mold enclosure 6.
Sliding formwork inside molding plate 4 is provided with the sliding formwork internal mold enclosure of road, upper, middle and lower three.
A construction method for the sliding formwork system of large-diameter cylinder body structure, comprises the following steps:
The first step, in the barrel 1 of having built pre-buried support bar 2, support bar 2 is installed gate hoisting frame 7, the medial surface of the barrel 1 of having built arranges sliding formwork inside molding plate 4, the lateral surface of the barrel 1 of having built arranges sliding formwork external mold template 3, the lateral surface of sliding formwork external mold template 3 arranges sliding formwork external mold enclosure 5, sliding formwork internal mold enclosure 6 is set in the inner side of sliding formwork inside molding plate 4;
Second step, sliding formwork internal mold enclosure 6 lower end with the inner side suspension rod 9 of gate hoisting frame 7 to be fixed together, the sliding formwork external mold enclosure 5 of lower circle is fixed together with the lower end of the outside suspension rod 8 of gate hoisting frame 7;
On the excircle of the 3rd step, in the structure heart cylinder 11, radian ground welds radial light steel truss 12 at equal intervals, together with being bolted the outer end of radial light steel truss 12, constitutes operating platform in sliding formwork system with annular girder steel 10; Annular girder steel 10 is welded in sliding formwork internal mold enclosure 6;
4th step, hoisting frame 7 moved up along support bar 2 and constructs the template system of next section of barrel, then next section of cylindrical shell concreting is carried out, in the end in one section of cylindrical shell concreting, along the equally spaced pre-buried bracket welding embedded element 15 of cylinder inboard wall, the concrete of the whole cylindrical shell of casting complete;
5th step, inner side weldable steel bracket 16 at pre-buried bracket welding embedded element 15;
6th step, annular girder steel 10 and sliding formwork internal mold enclosure 6 to be departed from, the outer ring of the platform be made up of structure centre cylinder 11, radial light steel truss 12 and annular girder steel 10 is fixedly welded on steel corbel 16, forms top cover form bracing system.
The support system of the sliding formwork system of large-diameter cylinder body structure and the top cover of cylindrical shell structure unites two into one by the present invention, utilize sliding mould lifting frame as the strong point, utilize sliding formwork Lifting Equipment to reach vertical-lift, the support system of barrel internal mold plate can double as interior operating platform.Annular girder steel 10, in sliding formwork external mold template 3, sliding formwork inside molding plate 4, sliding formwork external mold enclosure 5, sliding formwork internal mold enclosure 6, gate hoisting frame 7(comprises outside suspension rod 8, inner side suspension rod 9) all in place after, annular girder steel 10 is welded with suspension rod inside sliding mould lifting frame 9, again structure centre cylinder 11 is placed on tubular construction center, then the radial light steel truss 12 of assembling of Pin mono-Pin, radial light steel truss 12 radially annular configuration, radial light steel truss 12 side is connected with division center cylinder 11, opposite side is connected with annular girder steel 10, after radial light steel truss 12 has been assembled, bracing frame 13 is welded between upper lower edge, finally completely spread scaffolding board 14, operating platform is assembled to be completed.Start sliding formwork hydraulic control system, open each oil path valve door switch, hydraulic oil pump is to barrel border jack fuel feeding, and border jack drives annular girder steel 10 to start upwards to creep along support bar 2, thus is upwards promoted together by integrated operation platform.When after continuance lifting certain altitude, can to concreting in the template around barrel, concrete starts again after filling template to continue to promote, and repeats operation until operating platform is risen to barrel top from lowest part like this, completes the construction of barrel.The pre-buried bracket welding embedded element 15 at the top of barrel 1 in advance, weldable steel bracket 16, suspension rod 9 inside operating platform annular girder steel 10 and sliding formwork gate hoisting frame is taken apart, weld with steel corbel 16, change operating platform supporting-point, this operating platform changes the carrying platform of tubular construction top cover construction into, and operating platform finally can be utilized to carry out top cover construction.
Claims (2)
1. the sliding formwork system of large-diameter cylinder body structure, comprise the barrel (1) of having built, support bar (2) is embedded with in the barrel of having built (1), support bar (2) is provided with gate hoisting frame (7), the medial surface of the barrel of having built (1) is provided with sliding formwork inside molding plate (4), the lateral surface of the barrel of having built (1) is provided with sliding formwork external mold template (3), the lateral surface of sliding formwork external mold template (3) is provided with sliding formwork external mold enclosure (5), the medial surface of sliding formwork inside molding plate (4) is provided with sliding formwork internal mold enclosure (6), sliding formwork internal mold enclosure (6) is fixed together with the lower end of the inner side suspension rod (9) of gate hoisting frame (7), sliding formwork external mold enclosure (5) is fixed together with the lower end of the outside suspension rod (8) of gate hoisting frame (7), it is characterized in that, the excircle of heart cylinder (11) is in the structure provided with radial light steel truss (12) at equal intervals radian, together with the outer end of radial light steel truss (12) is bolted to connection with annular girder steel (10), bracing frame (13) is provided with between the adjacent radial light steel truss of two Pin (12), bracing frame (13) is equipped with scaffolding board (14), annular girder steel (10) is fixedly welded in sliding formwork internal mold enclosure (6).
2. the sliding formwork system of a kind of large-diameter cylinder body structure according to claim 1, is characterized in that, the medial surface of sliding formwork inside molding plate (4) is respectively arranged with road, upper, middle and lower three sliding formwork internal mold enclosure (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420807872.4U CN204386152U (en) | 2014-12-19 | 2014-12-19 | The sliding formwork system of large-diameter cylinder body structure |
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| CN201420807872.4U CN204386152U (en) | 2014-12-19 | 2014-12-19 | The sliding formwork system of large-diameter cylinder body structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499707A (en) * | 2014-12-19 | 2015-04-08 | 山西省第三建筑工程公司 | Slip form system of large-diameter cylindrical structure and construction method thereof |
| CN106193568A (en) * | 2016-08-26 | 2016-12-07 | 中建三局安装工程有限公司 | Mobile steel truss operating platform |
| CN109469308A (en) * | 2018-10-26 | 2019-03-15 | 何嘉文 | The structure of major diameter group storehouse support platform |
| CN112727093A (en) * | 2020-12-28 | 2021-04-30 | 中材建设有限公司 | Climbing construction method for constructing large-span high-rise building |
-
2014
- 2014-12-19 CN CN201420807872.4U patent/CN204386152U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499707A (en) * | 2014-12-19 | 2015-04-08 | 山西省第三建筑工程公司 | Slip form system of large-diameter cylindrical structure and construction method thereof |
| CN104499707B (en) * | 2014-12-19 | 2016-08-24 | 山西省第三建筑工程公司 | The sliding formwork system of large-diameter cylinder body structures and construction method thereof |
| CN106193568A (en) * | 2016-08-26 | 2016-12-07 | 中建三局安装工程有限公司 | Mobile steel truss operating platform |
| CN109469308A (en) * | 2018-10-26 | 2019-03-15 | 何嘉文 | The structure of major diameter group storehouse support platform |
| CN112727093A (en) * | 2020-12-28 | 2021-04-30 | 中材建设有限公司 | Climbing construction method for constructing large-span high-rise building |
| CN112727093B (en) * | 2020-12-28 | 2022-09-09 | 中材建设有限公司 | Climbing construction method for constructing large-span high-rise building |
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