CN104499707B - The sliding formwork system of large-diameter cylinder body structures and construction method thereof - Google Patents
The sliding formwork system of large-diameter cylinder body structures and construction method thereof Download PDFInfo
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- CN104499707B CN104499707B CN201410791429.7A CN201410791429A CN104499707B CN 104499707 B CN104499707 B CN 104499707B CN 201410791429 A CN201410791429 A CN 201410791429A CN 104499707 B CN104499707 B CN 104499707B
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Abstract
The invention discloses sliding formwork system and the construction method thereof of a kind of large-diameter cylinder body structures, solve the barrel sliding formwork system in existing construction technology and problem that top cover form bracing system exists construction installation divergence.It is included in the barrel (1) poured and is embedded with support bar (2) and gate hoisting frame (7), in the barrel poured, it is provided with on lateral surface in sliding formwork, external mold template, mould enclosure (6) in sliding formwork, sliding formwork external mold enclosure (5) lower end with gate hoisting frame respectively is fixed together, it is provided with radial light steel truss (12) in the structure at equal intervals on the excircle of heart cylinder (11) radian, the outer end of radial light steel truss (12) is bolted to connection with annular girder steel (10), annular girder steel (10) is fixedly welded in sliding formwork in mould enclosure (6), it is provided with bracing frame (13) between the adjacent radial light steel truss of two Pin (12).Present configuration is simple, artificial and instrument less investment.
Description
Technical field
The present invention relates to the sliding shuttering construction system of a kind of cylinder structures, particularly to slding form operation system and the construction method thereof of a kind of large-diameter cylinder body structures.
Background technology
In industrial building, the construction of large-diameter cylinder body structures to be carried out, such as: reinforced concrete silo, water tower etc..It is big that steel reinforced concrete tube structure has diameter, the feature that cylinder is high and difficulty of construction is big.When constructing armored concrete cylinder, it is first construction cylinder basis, sliding formwork system is installed on the basis of cylinder again, carries out setting up and pouring into a mould of cylinder template stage by stage.Existing sliding formwork system is pre-buried support bar in the barrel poured, support bar is installed hoisting frame, template and sliding formwork exterior sheathing in sliding formwork it is respectively arranged with on hoisting frame, cylinder central authorities are provided with a spider, between spider and interior template, set up radial pull bar form the circumferential support of internal template, the outer end of radial pull bar passes the bolt hole arranged inside hoisting frame and is bolted together, when each hoisting frame jacking on cylinder 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 interior template, interior operating platform can not be also served as, operating platform in the annular encorbelmented is set accordingly, it would be desirable to another inside hoisting frame, it is narrow and small that the interior operating platform of annular generally there are the scope of operation, the problem that operation inconvenience is many with potential safety hazard.In Wall Construction, after cylinder has poured when present stage, hoisting frame is moved up along pre-buried support bar, construct the template system of next section of barrel, then carry out next section of cylinder concreting, until complete whole cylinder constructs work.
Owing to general cylinder structures 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 the highest, also big to ground requirement for bearing capacity, the taking to tear open of scaffold need to put into substantial amounts of manpower and three steel instruments, and it is longer to set up the cycle.
Summary of the invention
The invention provides sliding formwork system and the construction method thereof of a kind of large-diameter cylinder body structures, solve the barrel sliding formwork system in existing construction technology and top cover form bracing system is each independent, there is construction installation divergence, put into manpower and equipment cost is high and the technical problem of long construction period.
The present invention is to solve above technical problem by the following technical programs:
nullA kind of sliding formwork system of large-diameter cylinder body structures，Including the barrel poured，It is embedded with support bar in the barrel poured，Support bar is provided with gate hoisting frame，The medial surface of the barrel poured is provided with sliding formwork inside molding plate，The lateral surface of the barrel poured is provided with sliding formwork external mold template，Sliding formwork external mold enclosure it is provided with outside sliding formwork external mold template，Mould enclosure in sliding formwork it is provided with inside sliding formwork inside molding plate，In sliding formwork, mould enclosure is fixing with the lower end of the inner side suspension rod of gate hoisting frame is connected，Sliding formwork external mold enclosure is fixing with the lower end of the outside suspension rod of gate hoisting frame to be connected，In the structure on the excircle of heart cylinder 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，It is provided with bracing frame between the two adjacent radial light steel truss of Pin，It is equipped with scaffolding board at bracing frame，Annular girder steel is fixed by bolts to inside sliding mould lifting frame on suspension rod.
Mould enclosure in road, upper, middle and lower three sliding formwork it is provided with on sliding formwork inside molding plate.
The construction method of the sliding formwork system of a kind of large-diameter cylinder body structures, comprises the following steps:
The first step, in the barrel poured pre-buried support bar, support bar is installed gate hoisting frame, the medial surface of the barrel poured arranges sliding formwork inside molding plate, the lateral surface of the barrel poured arranges sliding formwork external mold template, sliding formwork external mold enclosure is set outside sliding formwork external mold template, mould enclosure in sliding formwork is set inside sliding formwork inside molding plate；
Second step, the lower end of mould enclosure in sliding formwork with the inner side suspension rod of gate hoisting frame is fixed together, the lower end of the sliding formwork external mold enclosure of lower circle with the outside suspension rod of gate hoisting frame is fixed together；
The radial light steel truss of welding of radian at equal intervals on the excircle of the 3rd step, in the structure heart cylinder, the outer end of radial light steel truss is bolted with annular girder steel together with, constitute operating platform in sliding formwork system；Annular girder steel is fixed by bolts to inside sliding mould lifting frame on suspension rod；
4th step, hoisting frame is moved up along support bar the template system constructing next section of barrel, then next section of cylinder concreting is carried out, before final stage cylinder concreting, along the equally spaced pre-buried bracket welding embedded element of cylinder inboard wall, the concrete of the whole cylinder of casting complete；
5th step, the inner side of pre-buried bracket welding embedded element weld steel corbel；
6th step, departs from annular girder steel with mould enclosure in sliding formwork, is fixedly welded on steel corbel the outer ring of the platform being made up of structure centre cylinder, radial light steel truss and annular girder steel, constitutes top cover form bracing system.
Barrel sliding formwork system is united two into one by the present invention with top cover form bracing system, in the barrel sliding stage, operating platform mainly undertakes deadweight and slding form operation load, and barrel is sliding to behind top, then as upper mould support system, undertake cap structure deadweight, construction loads and the weight of itself.Present configuration is simple, easy to adjust, and artificial and instrument less investment, the duration is short.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that the present invention is at the structural representation overlooked on direction；
Fig. 3 is the fiting relation figure between the bracket welding embedded element 15 of the present invention, steel corbel 16 and annular girder steel 10.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
nullA kind of sliding formwork system of large-diameter cylinder body structures，Including the barrel 1 poured，It is embedded with support bar 2 in the barrel 1 poured，Support bar 2 is provided with gate hoisting frame 7，The medial surface of the barrel 1 poured is provided with sliding formwork inside molding plate 4，The lateral surface of the barrel 1 poured is provided with sliding formwork external mold template 3，Sliding formwork external mold enclosure 5 it is provided with outside sliding formwork external mold template 3，Mould enclosure 6 in sliding formwork it is provided with inside sliding formwork inside molding plate 4，In sliding formwork, mould enclosure 6 is fixing with the lower end of the inner side suspension rod 9 of gate hoisting frame 7 is connected，Sliding formwork external mold enclosure 5 is fixing with the lower end of the outside suspension rod 8 of gate hoisting frame 7 to be connected，In the structure on the excircle of heart cylinder 11 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，It is provided with bracing frame 13 between the two adjacent radial light steel truss of Pin 12，It is equipped with scaffolding board 14 at bracing frame 13，Annular girder steel 10 is fixed by bolts to inside sliding mould lifting frame on suspension rod 9.
Sliding formwork inside molding plate 4 is provided with mould enclosure in road, upper, middle and lower three sliding formwork.
The construction method of the sliding formwork system of a kind of large-diameter cylinder body structures, comprises the following steps:
The first step, in the barrel 1 poured pre-buried support bar 2, support bar 2 is installed gate hoisting frame 7, the medial surface of the barrel 1 poured arranges sliding formwork inside molding plate 4, the lateral surface of the barrel 1 poured arranges sliding formwork external mold template 3, the lateral surface of sliding formwork external mold template 3 arranges sliding formwork external mold enclosure 5, mould enclosure 6 in the inner side of sliding formwork inside molding plate 4 arranges sliding formwork；
Second step, the lower end of mould enclosure 6 in sliding formwork with the inner side suspension rod 9 of gate hoisting frame 7 is fixed together, the lower end of the sliding formwork external mold enclosure 5 of lower circle with the outside suspension rod 8 of gate hoisting frame 7 is fixed together；
On the excircle of the 3rd step, in the structure heart cylinder 11, radian ground welds radial light steel truss 12 at equal intervals, the outer end of radial light steel truss 12 is bolted with annular girder steel 10 together with, constitute operating platform in sliding formwork system；Annular girder steel 10 is fixed by bolts to inside sliding mould lifting frame on suspension rod 9；
4th step, hoisting frame 7 is moved up along support bar 2 template system constructing next section of barrel, then next section of cylinder concreting is carried out, before final stage cylinder concreting, along the equally spaced pre-buried bracket welding embedded element 15 of cylinder inboard wall, the concrete of the whole cylinder of casting complete；
5th step, the inner side of pre-buried bracket welding embedded element 15 weld steel corbel 16；
6th step, annular girder steel 10 is departed from mould enclosure 6 in sliding formwork, the outer ring of the platform being made up of structure centre cylinder 11, radial light steel truss 12 and annular girder steel 10 is fixedly welded on steel corbel 16, constitutes top cover form bracing system.
The present invention is to be united two into one by the support system of the sliding formwork system of large-diameter cylinder body structures Yu the top cover of cylinder structures, utilize the barrel concrete poured and be embedded in the support bar in barrel concrete as the strong point, utilizing sliding formwork gate hoisting frame and 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, mould enclosure 6 in sliding formwork, gate hoisting frame 7(includes outside suspension rod 8, inner side suspension rod 9) the most in place after, suspension rod 9 inside annular girder steel 10 and sliding mould lifting frame is attached, again structure centre cylinder 11 is placed on tube structure center, then the radial light steel truss of assembling 12 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 is completed, bracing frame 13 is welded between upper lower edge, the most completely paving scaffolding board 14, operating platform assembly completes.Starting sliding formwork hydraulic control system, open each oil path valve door trip, 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 lifted up together by integrated operation platform.When after continuance lifting certain altitude, can casting concrete in the template around barrel, concrete starts again to continue to lift up after filling template, repeats operation until operating platform is risen to barrel top from lowest part like this, completes the construction of barrel.In advance at the top of barrel 1 pre-buried bracket welding embedded element 15, welding steel corbel 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 is changed into the carrying platform of tube structure top cover construction, the most i.e. may utilize operating platform and carries out top cover construction.
Claims (1)
1. a construction method for the sliding formwork system of large-diameter cylinder body structures, comprises the following steps:
The first step, in the barrel (1) poured pre-buried support bar (2), at support bar (2) upper installation gate hoisting frame (7), the medial surface of the barrel (1) poured arranges sliding formwork inside molding plate (4), the lateral surface of the barrel (1) poured arranges sliding formwork external mold template (3), the lateral surface of sliding formwork external mold template (3) arranges sliding formwork external mold enclosure (5), mould enclosure (6) in the inner side of sliding formwork inside molding plate (4) arranges sliding formwork；
Second step, the lower end of mould enclosure (6) in sliding formwork with the inner side suspension rod (9) of gate hoisting frame (7) is fixed together, the lower end of sliding formwork external mold enclosure (5) of lower circle with the outside suspension rod (8) of gate hoisting frame (7) is fixed together；
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 with annular girder steel (10) outer end of radial light steel truss (12), constitute operating platform in sliding formwork system；Annular girder steel (10) is fixed by bolts on suspension rod inside sliding mould lifting frame (9)；
4th step, hoisting frame (7) is moved up along support bar (2) template system constructing next section of barrel, then next section of cylinder concreting is carried out, before final stage cylinder concreting, along the equally spaced pre-buried bracket welding embedded element (15) of cylinder inboard wall, the concrete of the whole cylinder of casting complete；
5th step, the inner side of pre-buried bracket welding embedded element (15) welding steel corbel (16)；
6th step, mould enclosure (6) in annular girder steel (10) and sliding formwork is departed from, the outer ring of the platform being made up of structure centre cylinder (11), radial light steel truss (12) and annular girder steel (10) is fixedly welded on steel corbel (16), constitutes top cover form bracing system.
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| CN201410791429.7A CN104499707B (en) | 2014-12-19 | 2014-12-19 | The sliding formwork system of large-diameter cylinder body structures and construction method thereof |
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| CN104499707A CN104499707A (en) | 2015-04-08 |
| CN104499707B true CN104499707B (en) | 2016-08-24 |
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| CN105201203B (en) * | 2015-09-23 | 2018-01-02 | 中国十七冶集团有限公司 | It is a kind of that sliding reinforcement means is maked somebody a mere figurehead for extensive sliding formwork |
| CN109763644B (en) * | 2017-11-09 | 2021-06-04 | 天津建工城市建设发展有限公司 | Large-diameter cylinder sliding form system and construction method thereof |
| CN112854702A (en) * | 2021-02-09 | 2021-05-28 | 广州建筑股份有限公司 | Large-span silo roof construction platform and erection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126279A (en) * | 2007-07-31 | 2008-02-20 | 中国建筑第七工程局 | Silo slipform construction technique |
| CN201148730Y (en) * | 2007-12-11 | 2008-11-12 | 山西焦煤集团有限责任公司 | Super large diameter cylindrical silo hydraulic slip mold construction operating platform |
| CN103953187A (en) * | 2014-05-22 | 2014-07-30 | 青岛一建集团有限公司 | Sliding mode operating platform system with center vertical cylinder structure |
| CN204386152U (en) * | 2014-12-19 | 2015-06-10 | 山西省第三建筑工程公司 | The sliding formwork system of large-diameter cylinder body structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5980869A (en) * | 1982-10-29 | 1984-05-10 | 清水建設株式会社 | Construction of silo |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126279A (en) * | 2007-07-31 | 2008-02-20 | 中国建筑第七工程局 | Silo slipform construction technique |
| CN201148730Y (en) * | 2007-12-11 | 2008-11-12 | 山西焦煤集团有限责任公司 | Super large diameter cylindrical silo hydraulic slip mold construction operating platform |
| CN103953187A (en) * | 2014-05-22 | 2014-07-30 | 青岛一建集团有限公司 | Sliding mode operating platform system with center vertical cylinder structure |
| CN204386152U (en) * | 2014-12-19 | 2015-06-10 | 山西省第三建筑工程公司 | The sliding formwork system of large-diameter cylinder body structure |
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Address after: 046011, Shanxi province Changzhi Taihang West Street provincial construction Lane No. 22 provincial construction company three technology management department Patentee after: SHANXI THIRD CONSTRUCTION Co.,Ltd. Address before: 046011, Shanxi province Changzhi Taihang West Street provincial construction Lane No. 22 provincial construction company three technology management department Patentee before: SHANXI NO.3 CONSTRUCTION ENGINEERING Co.,Ltd. |
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Address after: No.266 Taihang East Street, Changzhi City, Shanxi Province 046000 Patentee after: SHANXI THIRD CONSTRUCTION Co.,Ltd. Address before: 046011 Technology Management Department of the third provincial construction company, No.22, Shengjian lane, Taihang West Street, Changzhi City, Shanxi Province Patentee before: SHANXI THIRD CONSTRUCTION Co.,Ltd. |