CN109812051A - A kind of shed deckhead returns back to top support frame and its construction method - Google Patents
A kind of shed deckhead returns back to top support frame and its construction method Download PDFInfo
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- CN109812051A CN109812051A CN201910149346.0A CN201910149346A CN109812051A CN 109812051 A CN109812051 A CN 109812051A CN 201910149346 A CN201910149346 A CN 201910149346A CN 109812051 A CN109812051 A CN 109812051A
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- support
- shed deckhead
- upright bar
- cross bar
- bar
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Abstract
It returns back to top support frame and its construction method the present invention relates to a kind of shed deckhead, it is set between garage bottom plate and shed deckhead, including several vertically arranged upright bars, laterally the cross bar that is arranged and with the vertically disposed girder steel of upright bar, cross bar, the upright bar passes through connector with cross bar, girder steel and is detachably connected；U support is equipped at the top of the upright bar, bottom is equipped with bed course；Keel are equipped between the U support and shed deckhead.Construction procedure are as follows: surveying setting-out is laid with bed course, sets up upright bar and cross bar, attachment beam bottom and top plate supporting frame, installation U support, laying groove keel, adjusting U support height to rational position.It is an advantage of the invention that, present invention is mainly used for the floor reinforcings under shed deckhead traffic route, the fractional load of oversize vehicle generation is shared by setting up the support frame that returns back to top under shed deckhead, reduces floor cracking or load is more than the risks such as design value, it is ensured that project construction safety.
Description
Technical field
The invention belongs to shed deckhead structure construction technology fields, and in particular to a kind of shed deckhead return back to top support frame and its
Construction method.
Background technique
In recent years, the underground garage form of perforation place is set in high stored building group, it is wide in design throughout the country
General application.Shed deckhead concrete structure filler mostly uses Cavity structural member at present, be very easy to destroy in work progress and
Existing noggin piece weight is too big, and when installation needs hoisting transportation, wastes mechanical artificial, and construction risk is high, has certain
Security risk.
Existing 106351376 A of Chinese patent document CN discloses a kind of shed deckhead construction method, major technique side
Case are as follows: a kind of shed deckhead construction method includes the following steps: S1: it is drawn according to construction area, construction beam-column present position
Shed deckhead planar structure schematic diagram out, and plastic form floor plan is drawn out according to floor plan；S2: according to garage
Top plate plant tilting structural schematic diagram sets up the scaffold with its area equation on garage floor, and in the rod end of scaffold
Jacking is installed；S3: being laid with form bracing frame on jacking, the corresponding positions further according to design drawing requirement, on form bracing frame
Laying solid wood is set, cap bed die and girder bed die are formed；Before being laid with form bracing frame, need to adjust the top on scaffold
Support, so that the whole height of jacking is consistent；The form bracing frame is the bottom steel pipe and the wooden a tree, used in making timber for boats keel by being laid on jacking
Composition, and two-way arch camber is carried out by 2 ‰~3 ‰；S4: plastic form is placed and fixed, and is pacified in the edge of form bracing frame
Fill side form: according to the arrangement of plastic form arranges requirement in plastic form floor plan in step 1, on form bracing frame
Unwrapping wire forms latticed control grid lines, is then lifted on form bracing frame from ground by plastic form, according still further to control
Put and install plastic form in the position that line is indicated；It is close that continuous well shape is constituted between adjacent row and adjacent column plastic form
Girt strip molding space；S5: the first pass of the plastic form top installation water power after laying and magazine, it is pre-buried at beam column bed die to disappear
The floor sleeves such as anti-pipe, rain pipe and distribution pipe well；S6: it is formed by waffle beam molding space in plastic form and binds girt strip
Reinforcing bar, and plate face reinforcing bar is laid with above girt strip reinforcing bar and all formworks；S7: casting concrete；S8: it after curing time arrives, tears open
Except scaffold, site clearing, and a mobile pallet is set up on construction ground；S9: plastic form is removed.It is solved with the present invention
The problem of and overall plan thinking it is different.
Summary of the invention
Present invention aim to address the above problem, the shed deckhead that a kind of risk is low, highly-safe is provided and is returned back to top support
Frame and its construction method.
To achieve the above object, the invention provides the following technical scheme:
A kind of shed deckhead returns back to top support frame, is set between garage bottom plate and shed deckhead, including several vertically arranged
Upright bar, the cross bar that is laterally arranged and with the vertically disposed girder steel of upright bar, cross bar, the upright bar passes through with cross bar, girder steel
Connector is detachably connected；U support is equipped at the top of the upright bar, bottom is equipped with bed course；U support and shed deckhead it
Between be equipped with keel.
Further, the girder steel uses 20a girder steel；The keel use 14a channel steel, are highly 200mm, spacing is
1.2 meters, the steel pipe type used is connected for φ 48 × 3.0 using fastener.
Further, the upright bar advance and transfer are 1.2 meters, and the step pitch of the cross bar is 1.2 meters.
Further, for the cross bar lowermost end away from ground 200mm, top layer cross bar center line is stretched out to top plate in the upright bar upper end
The length of supporting point is not more than 400mm.
Further, the bed course is sheeting caps, and the connector is connection fastener.
A kind of shed deckhead returns back to top the construction method of support frame, comprising the following steps:
A) according to safe software for calculation, the erection scheme for meeting force request is determined；
B) the arrangement line for releasing upright bar on garage bottom plate according to traffic route and upright bar spacing, determines the position of every upright bar
It sets；
C) bed course is laid at upright bar layout points；
D) according to upright bar arrangement line arrange upright bar, according to cross bar step pitch arrange cross bar, first cross bar from the ground height about
For 200mm；
When e) such as encountering girder steel, steel beam bottom support frame connect integral with board bottom support frame；
F) installation U support, it is ensured that U support is overlapped with upright bar axle center；
G) keel are placed in U support, length be no less than three across；
H) height for adjusting U support, allows keel to hold out against shed deckhead.
The beneficial effects of the present invention are:
Present invention is mainly used for the floor reinforcings under shed deckhead traffic route, by setting up the branch that returns back to top under shed deckhead
Support shares the fractional load of oversize vehicle generation, reduces floor cracking or load is more than the risks such as design value, it is ensured that project is applied
Work safety.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention in order to illustrate more clearly of this hair
Bright embodiment or technical solution in the prior art are not making the creative labor for those of ordinary skill in the art
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is constructing structure schematic diagram at the top of garage of the invention；
Fig. 3 is the partial enlarged view of Fig. 2.
Specific embodiment
A kind of shed deckhead as shown in Figs. 1-3 returns back to top support frame, is set between garage bottom plate 1 and shed deckhead 2, packet
Include several vertically arranged upright bars 3, the cross bar 4 being laterally arranged and with the vertically disposed girder steel 5 of upright bar 3, cross bar 4, it is described vertical
Bar 3 is detachably connected by connector 8 with cross bar 4, girder steel 5；It is equipped with U support 7 at the top of the upright bar 3, bottom is all provided with
There is bed course 9；Keel 6 are equipped between the U support 7 and shed deckhead 2.
Construction Scheme:
Comprehensively consider the uncertain factor of construction site, in order to ensure garage structure safety and construction safety, creates underground
The corresponding top plate of underground parking garage position of shed deckhead road does respective support and returns back to top, and returns back to top using full hall scaffold.
Shed deckhead of the present invention returns back to top, and to set up parameter as follows for support frame:
1) bracket scaffolding height: underground garage return back to top frame body height be 4.90m with specific reference to garage headroom be arranged.
2) size is set up: b=1.2 meters of the advance of upright bar 3, l=1.2 meters of the transfer of upright bar 3, the step pitch h=1.20 of cross bar 4
Rice.2 board bottom keel 6 of shed deckhead use 14a steel channel beam；Highly: 200mm；Spacing: 1.2 meters；The steel pipe type used is φ 48
× 3.0, using fastener type connection type.Thick pillar connection, step pitch 1200mm is arranged in connection frame body at structural column.Bridging short
Setting, up and down with concrete structural slab dieback, spacing 4m setting.One track pitch of horizon bar lowermost end ground 200mm, 3 upper end of upright bar
It stretches out 4 center line of top layer cross bar to top plate supporting point length free end height and is not more than 400mm.The support of beam and the support shape of plate
At an entirety.All installation U supports 7 are pushed up in upright bar 3；All upright bars 3 lower setting 20 hassocks wood.
What above-mentioned shed deckhead returned back to top support frame sets up process:
Surveying setting-out → laying bed course 9 → sets up upright bar 3,4 → attachment beam of cross bar bottom and top plate supporting frame → installation U support 7
→ laying groove keel 6 → 7 height of adjusting U support to rational position
Above-mentioned shed deckhead return back to top support frame construction method the following steps are included:
A) according to safe software for calculation, the erection scheme for meeting force request is determined；
B) the arrangement line for releasing upright bar 3 on garage bottom plate 1 according to traffic route and 3 spacing of upright bar, determines every upright bar 3
Position；
C) bed course 9 is laid at 3 layout points of upright bar；
D) according to upright bar arrangement line arrange upright bar 3, according to cross bar step pitch arrange cross bar 4, first cross bar 4 from the ground height
About 200mm；
When e) such as encountering girder steel 5,5 bottom support frame of girder steel connect integral with board bottom support frame；
F) U support 7 is installed, it is ensured that U support 7 is overlapped with 3 axle center of upright bar；
G) in U support 7 place keel 6, length be no less than three across；
H) height for adjusting U support 7, allows keel 6 to hold out against shed deckhead 2.
Present invention is mainly used for the floor reinforcings under shed deckhead traffic route, are returned back to top by setting up under shed deckhead 2
Support frame shares the fractional load of oversize vehicle generation, reduces floor cracking or load is more than the risks such as design value, it is ensured that project
Construction safety.
The content not being described in detail in the present invention is the prior art.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
- The support frame 1. a kind of shed deckhead returns back to top, which is characterized in that it is set between garage bottom plate (1) and shed deckhead (2), packet Include several vertically arranged upright bars (3), the cross bar (4) being laterally arranged and with upright bar (3), the vertically disposed girder steel of cross bar (4) (5), the upright bar (3) is detachably connected by connector (8) with cross bar (4), girder steel (5)；At the top of the upright bar (3) It is equipped with U support (7), bottom is equipped with bed course (9)；Keel (6) are equipped between the U support (7) and shed deckhead (2).
- The support frame 2. a kind of shed deckhead according to claim 1 returns back to top, which is characterized in that the girder steel (5) uses 20a Girder steel；The keel (6) use 14a channel steel, be highly 200mm, spacing be 1.2 meters, the steel pipe type used for φ 48 × 3.0, it is connected using fastener.
- The support frame 3. a kind of shed deckhead according to claim 1 returns back to top, which is characterized in that upright bar (3) advance and Transfer is 1.2 meters, and the step pitch of the cross bar (4) is 1.2 meters.
- The support frame 4. a kind of shed deckhead according to claim 1 returns back to top, which is characterized in that cross bar (4) lowermost end Away from ground 200mm, the length that top plate supporting point is stretched out top layer cross bar (4) center line in upright bar (3) upper end is not more than 400mm.
- The support frame 5. a kind of shed deckhead according to claim 1 returns back to top, which is characterized in that the bed course (9) is headblock Plate, the connector (8) are connection fastener.
- The construction method of support frame 6. a kind of shed deckhead according to any one of claims 1 to 5 returns back to top, feature exist In, comprising the following steps:A) according to safe software for calculation, the erection scheme for meeting force request is determined；B) the arrangement line for releasing upright bar (3) on garage bottom plate (1) according to traffic route and upright bar (3) spacing determines that every is stood The position of bar (3)；C) bed course (9) are laid at upright bar (3) layout points；D) it according to upright bar arrangement line arrangement upright bar (3), is arranged cross bar (4) according to cross bar step pitch, first cross bar (4) is high from the ground Degree is about 200mm；When e) such as encountering girder steel (5), girder steel (5) bottom support frame connect integral with board bottom support frame；F) installation U support (7), it is ensured that U support (7) is overlapped with upright bar (3) axle center；G) U support (7) on place keel (6), length be no less than three across；H) height for adjusting U support (7), allows keel (6) to hold out against shed deckhead (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149346.0A CN109812051A (en) | 2019-02-28 | 2019-02-28 | A kind of shed deckhead returns back to top support frame and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149346.0A CN109812051A (en) | 2019-02-28 | 2019-02-28 | A kind of shed deckhead returns back to top support frame and its construction method |
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| CN109812051A true CN109812051A (en) | 2019-05-28 |
Family
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| CN201910149346.0A Pending CN109812051A (en) | 2019-02-28 | 2019-02-28 | A kind of shed deckhead returns back to top support frame and its construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259186A (en) * | 2019-06-13 | 2019-09-20 | 中国建筑第二工程局有限公司 | A kind of big machinery lower floor plate returns back to top method |
| CN113482394A (en) * | 2021-08-06 | 2021-10-08 | 中建三局集团(深圳)有限公司 | Structural beam plate back-jacking reinforcing method |
| CN114482624A (en) * | 2022-03-23 | 2022-05-13 | 中国十七冶集团有限公司 | Back-jacking supporting system for structural slab conversion operation platform and construction method thereof |
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| JP2009264088A (en) * | 2008-04-23 | 2009-11-12 | Takahashi Kanri:Kk | Underground system temporary frame |
| CN102277959A (en) * | 2011-05-13 | 2011-12-14 | 中国新兴保信建设总公司 | Standard steel frame formwork system for concrete floor slabs and construction method thereof |
| CN206352401U (en) * | 2017-01-06 | 2017-07-25 | 浙江中南建设集团钢结构有限公司 | A kind of concrete structure returns back to top support holding device |
| CN206667706U (en) * | 2017-04-06 | 2017-11-24 | 中建一局集团第三建筑有限公司 | A kind of adjustable integrated form supporting frame |
| CN206971807U (en) * | 2017-07-18 | 2018-02-06 | 广东省建筑工程机械施工有限公司 | A kind of great-leap-forward shaped steel and the combining structure that returns back to top |
| CN208545993U (en) * | 2018-07-12 | 2019-02-26 | 海南庞源建筑机械租赁有限公司 | Building hoist basement top plate returns back to top structure |
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2019
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| CN206352401U (en) * | 2017-01-06 | 2017-07-25 | 浙江中南建设集团钢结构有限公司 | A kind of concrete structure returns back to top support holding device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259186A (en) * | 2019-06-13 | 2019-09-20 | 中国建筑第二工程局有限公司 | A kind of big machinery lower floor plate returns back to top method |
| CN110259186B (en) * | 2019-06-13 | 2023-08-29 | 中国建筑第二工程局有限公司 | Floor slab back-jacking method under large-scale machine |
| CN113482394A (en) * | 2021-08-06 | 2021-10-08 | 中建三局集团(深圳)有限公司 | Structural beam plate back-jacking reinforcing method |
| CN114482624A (en) * | 2022-03-23 | 2022-05-13 | 中国十七冶集团有限公司 | Back-jacking supporting system for structural slab conversion operation platform and construction method thereof |
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Application publication date: 20190528 |
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| RJ01 | Rejection of invention patent application after publication |