CN108843008A - A kind of postposition H profile steel builder's jack and its construction method - Google Patents
A kind of postposition H profile steel builder's jack and its construction method Download PDFInfo
- Publication number
- CN108843008A CN108843008A CN201810566790.8A CN201810566790A CN108843008A CN 108843008 A CN108843008 A CN 108843008A CN 201810566790 A CN201810566790 A CN 201810566790A CN 108843008 A CN108843008 A CN 108843008A
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- China
- Prior art keywords
- steel
- profile steel
- concrete bridge
- bridge floor
- fixed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/006—Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/046—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on walls
Abstract
The invention discloses a kind of postposition H profile steel builder's jack and its construction methods, including scaffold main body, the postposition H profile steel builder's jack further includes steel pipe and H profile steel, the H profile steel is laterally arranged, the inner end lower flange of H profile steel is fixed on lower layer's existed concrete bridge floor, and H profile steel is pierced by existing wall outward and forms overhanging section, the scaffold main body is fixed in the overhanging section of H profile steel, the steel pipe is erected between upper and lower level existed concrete bridge floor, the upper end of steel pipe is connect with upper layer existed concrete bridge floor, and lower end is then connected with the inner end top flange of H profile steel.Compared with existing builder's jack is by the mode of one layer of existed concrete bridge floor stress, the present invention is by upper layer and lower layer existed concrete bridge floor and the common stress of steel pipe, change the pipeline of power, it can reduce the destruction to floor, and improve the safety of scaffold, the limitation requirement of floor size and intensity to builder's jack is also reduced simultaneously, use scope is more extensive.
Description
Technical field
The present invention relates to a kind of scaffold more particularly to a kind of postposition H profile steel builder's jacks, further relate to the postposition H-type
The construction method of steel builder's jack.
Background technique
Scaffold is to guarantee work progress is gone on smoothly and is set up workbench.Currently, builder's jack is taken
Build usually preburied component, due to not pre-buried component, will just need on floor when building scaffold on existing building
Postposition component is wanted, postposition component is mainly utilized in the mode that embedding component is punched on existing floor.But this mode exists
Following defect：
(1) embedding component is punched on existing floor, and by one layer of existed concrete bridge floor stress, it can be to existed concrete bridge
Floor damages.
(2) building for builder's jack is limited by existed concrete bridge floor size and intensity：
1., when floor size is inadequate, identical builder's jack is higher to the force request of floor according to lever principle.
2. some existing building construction are of the remote past, the concrete strength of floor is not high, influences building for builder's jack.
Summary of the invention
The first purpose of this invention be to provide a kind of structure it is simple, it is easy for construction, can mitigate significantly to floor
It destroys, the postposition H profile steel builder's jack of high safety, existed concrete bridge floor size and intensity can be reduced to builder's jack
The limitation requirement built.
The first purpose of this invention is realized by technical measures below：A kind of postposition H profile steel builder's jack, packet
Include scaffold main body, it is characterised in that：The postposition H profile steel builder's jack further includes steel pipe and H profile steel, and the H profile steel is horizontal
To setting, the inner end lower flange of H profile steel is fixed on lower layer's existed concrete bridge floor, and H profile steel is pierced by existing wall shape outward
At overhanging section, the scaffold main body is fixed in the overhanging section of H profile steel, and the steel pipe is erected at upper and lower level existed concrete bridge building
Between plate, the upper end of steel pipe is connect with upper layer existed concrete bridge floor, and lower end is then connected with the inner end top flange of H profile steel.
Compared with existing builder's jack is by the mode of one layer of existed concrete bridge floor stress, the present invention by upper layer and lower layer both
There are concrete floor and the common stress of steel pipe, change the pipeline of power, can reduce the destruction to floor, and improve foot
The safety of hand cradle, while the limitation requirement of floor size and intensity to builder's jack is also reduced, use scope is wider
It is general.
Force principle of the invention is：The inner end lower flange of H profile steel is connected and fixed with lower layer's existed concrete bridge floor, under making
Layer existed concrete bridge floor undertakes the power of part H profile steel transmitting；The inner end top flange of H profile steel is fixed on the lower end of steel pipe, steel
The upper end of pipe is connected with upper layer existed concrete bridge floor, and upper layer existed concrete bridge floor is made to undertake the power of part H profile steel transmitting；Foot
Hand cradle main body is fixed in the overhanging section of H profile steel, undertakes whole gravity of scaffold main body.
As an improvement of the present invention, the postposition H profile steel builder's jack further includes wirerope, described wire rope inclined
To setting, the lower end of wirerope is fixed in the overhanging section of H profile steel, and upper end is fixed on existing wall, and wirerope is by existing wall
The overhanging section of body and H profile steel links together, and enhances the stability of scaffold.
As one embodiment of the present invention, added between the upper end and upper layer existed concrete bridge floor of the steel pipe
There is horizontally disposed upper steel plate, the upper end of the steel pipe is fixed on upper steel plate, the upper steel plate and upper layer existed concrete bridge building
Plate is connected and steel pipe is made to link together with upper layer existed concrete bridge floor.
As one embodiment of the present invention, the postposition H profile steel builder's jack further includes a pair of horizontally disposed
Lower steel plate, the inner end lower flange of the H profile steel are fixed therein on one piece of lower steel plate, the lower steel plate and lower layer's existed concrete bridge
Floor is connected and is connected and fixed H profile steel and lower layer existed concrete bridge floor, and another piece of lower steel plate setting is in existing wall for H
On the hole bottom surface that fashioned iron passes through, the lower flange that the H profile steel passes through the position at the hole is pressed on the lower steel plate.
As one embodiment of the present invention, the steel pipe, H profile steel, wirerope, upper steel plate and this to lower steel plate constitute
A set of component, the components that cover along the length direction and/or short transverse laid out in parallel of scaffold main body more.
Scaffold main body of the present invention is connected by wall connecting rod part with existing wall, and the steady of scaffold is further enhanced
It is qualitative.
Second object of the present invention is to provide a kind of construction method of above-mentioned postposition H profile steel builder's jack.
Second object of the present invention is realized by technical measures below：A kind of above-mentioned postposition H profile steel overhanging foot hand
The construction method of frame, it is characterised in that include the following steps：
(1) laterally disposed H profile steel, H profile steel pass through existing wall and form overhanging section；
(2) the inner end lower flange of H profile steel is connected and fixed with lower layer existed concrete bridge floor, makes lower layer's existed concrete bridge building
Plate undertakes the power of part H profile steel transmitting；
(3) the lower end of steel pipe is fixed on the inner end top flange of H profile steel by vertically arranged steel pipe, the upper end and upper layer of steel pipe
Existed concrete bridge floor is connected, and upper layer existed concrete bridge floor is made to undertake the power of part H profile steel transmitting；
(4) scaffold main body is fixed in the overhanging section of H profile steel.
In order to increase the stability of total, as an improvement of the present invention, an angularly disposed wirerope, by steel wire
The upper end of rope is fixed on existing wall, and lower end is fixed in the overhanging section of H profile steel.
As one embodiment of the present invention, between the inner end lower flange and lower layer's existed concrete bridge floor of H profile steel
One horizontal lower steel plate is set, the inner end lower flange of H profile steel is fixed on the lower steel plate, the lower steel plate and the existing coagulation of lower layer
Tulou plate is connected and fixed；The horizontal lower steel plate of beneath portions setting one of existing wall is passed through in H profile steel, H profile steel is pressed on this
On lower steel plate.
As one embodiment of the present invention, a water is set between the upper end and upper layer existed concrete bridge floor of steel pipe
The upper end of steel pipe is fixed on the upper steel plate by flat upper steel plate, which is connected and fixed with upper layer existed concrete bridge floor.
It is as a further improvement of the present invention, existing mixed on upper layer if the stress of upper layer existed concrete bridge floor is excessive
Increase heaped load on the upper surface of solidifying Tulou plate.
Compared with prior art, the present invention has following significant effect：
(1) compared with existing builder's jack is by the mode of one layer of existed concrete bridge floor stress, builder's jack of the present invention
By upper layer and lower layer existed concrete bridge floor and the common stress of steel pipe, the pipeline of power is changed, can be mitigated significantly to floor
It destroys.
(2) builder's jack of the present invention reduces floor size and intensity to overhanging foot by the common stress of upper layer and lower layer floor
The limitation requirement of hand cradle, use scope are more extensive.
(3) builder's jack of the present invention is by upper and lower level floor and the common stress of steel pipe, so that builder's jack is safer.
(4) wirerope of the invention links together the overhanging section of existing wall and H profile steel, increases total
Stability.
Detailed description of the invention
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is elevation of the invention；
Fig. 2 is side elevational view of the invention；
Fig. 3 is that steel pipe of the invention connects plan view with floor.
Specific embodiment
It as shown in Figures 1 to 3, is a kind of postposition H profile steel builder's jack of the present invention, including scaffold main body 12, steel pipe 5, H
Fashioned iron 4, wirerope 11, upper steel plate 7 and a pair of of lower steel plate 9,10, the laterally setting of H profile steel 4, the inner end lower flange 42 of H profile steel 4 is welded
It connects on lower steel plate 9, lower steel plate 9 is connected with lower layer existed concrete bridge floor 1 by chemical bolt 8, and lower layer's existed concrete bridge is made
Floor 1 undertakes the power of part H profile steel transmitting；H profile steel 4 is pierced by existing wall 3 outward and forms overhanging section, and lower steel plate 10 is arranged both
There is wall 3 for the hole bottom surface that H profile steel 4 passes through, the lower flange 42 that H profile steel 4 passes through the position at the hole is pressed under this
On steel plate 10.Scaffold main body 12 is fixed in the overhanging section of H profile steel 4, undertakes whole gravity of scaffold main body 12.
Steel pipe 5 is erected between upper layer existed concrete bridge floor 2 and lower layer's existed concrete bridge floor 1, the upper end weldering of steel pipe 5
It connects on upper steel plate 7, upper steel plate 7 is connected by chemical bolt 6 with upper layer existed concrete bridge floor 2, and the lower end of steel pipe 5 is welded on
On the inner end top flange 41 of H profile steel 4, upper layer existed concrete bridge floor 2 is made to undertake the power of the transmitting of part H profile steel 4.
Compared with existing builder's jack is by the mode of one layer of existed concrete bridge floor stress, the present invention by upper layer and lower layer both
There are concrete floor and the common stress of steel pipe, change the pipeline of power, can reduce the destruction to floor, and improve foot
The safety of hand cradle, while the limitation requirement of floor size and intensity to builder's jack is also reduced, use scope is wider
It is general.
Wirerope 11 is angularly disposed, and the lower end of wirerope 11 is fixed in the overhanging section of H profile steel 4, and upper end is fixed on existing
On wall 3, wirerope 11 links together the overhanging section of existing wall 3 and H profile steel 4, enhances the stabilization of scaffold entirety
Property.Scaffold main body 12 is connected by wall connecting rod part 13 with existing wall 3, and the stability of scaffold is further enhanced.
Steel pipe 5, H profile steel 4, wirerope 11, upper steel plate 7 and lower steel plate 9,10 constitute a set of component, and the components that cover along foot more
The length direction and/or short transverse laid out in parallel of hand cradle main body 12.
Postposition H profile steel builder's jack of the present invention uses software for calculation, to the main lotus of scaffold before construction first
It is loaded into capable calculating, primary load includes vertical loads and the horizontal wind excitations such as dead load, construction live load；Secondly, meeting
Intensity, amount of deflection, stability requirement under, determine overhanging rod piece advance, total departure step pitch；Again, using structure analysis software
The intensity, amount of deflection, stability of H profile steel are calculated, suitable H profile steel is chosen；Finally, stress and floor to steel pipe by
Power is checked, it is ensured that safety can increase suitable accumulation lotus when floor stress is excessive on the existed concrete bridge floor of upper layer
It carries.
Engineering that the present embodiment is applicable in is 32 layers of the building reinforced concrete shear wall structure positioned at Zhuhai City Doumen District
Certain residential building, total height of structure 104.1m are made tower crane collapse and smash structure outer, repaired due to the influence of typhoon
It is multiple, pass through calculating, it is determined that 0.7 meter of 1.1 meters of advance, the transfer of builder's jack rod piece and 1.8 meters of step pitch, it is determined that select
The hot rolling wide width wing edge H profile steel of HW250 × 250 of Q235B grade and the I14 I-steel of Q235B grade, spacing is respectively 1.1 meters,
0.7 meter, steel pipe uses A168 × 6.
A kind of construction method of above-mentioned postposition H profile steel builder's jack, specifically includes following steps：
(1) laterally disposed H profile steel 4, H profile steel 4 pass through existing wall 3 and form overhanging section, pass through existing wall 3 in H profile steel 4
The horizontal lower steel plate 10 of beneath portions setting one, H profile steel 4 is pressed on the lower steel plate 10；
(2) the inner end lower flange 42 of H profile steel 4 is welded on lower steel plate 9, the lower steel plate 9 and lower layer's existed concrete bridge floor
1 is connected and fixed, and lower layer's existed concrete bridge floor 1 is made to undertake the power of part H profile steel transmitting；
(3) the upper end of steel pipe 5 is welded on the upper steel plate 7 by vertically arranged steel pipe 5, which passes through chemical bolt 6
It is connected and fixed with upper layer existed concrete bridge floor 2, upper layer existed concrete bridge floor is made to undertake the power of part H profile steel transmitting；
(4) scaffold main body 12 is welded in the overhanging section of H profile steel 4, and the upper end of wirerope 11 is fixed on existing wall
On body 3, lower end is fixed in the overhanging section of H profile steel 4, and scaffold main body 12 is connected with existing wall 3 by wall connecting rod part 13,
Enhance the stability of scaffold.
The implementation of the present invention is not limited to this, and above content according to the present invention is known according to the ordinary skill of this field
Knowledge and customary means, under the premise of not departing from above-mentioned basic fundamental thought of the invention, the present invention can also make other a variety of shapes
Modification, replacement or the change of formula, all fall within rights protection scope of the present invention.
Claims (10)
1. a kind of postposition H profile steel builder's jack, including scaffold main body, it is characterised in that：The postposition H profile steel overhangs foot hand
Frame further includes steel pipe and H profile steel, and the H profile steel is laterally arranged, and the inner end lower flange of H profile steel is fixed on lower layer's existed concrete bridge building
On plate, and H profile steel is pierced by existing wall outward and forms overhanging section, and the scaffold main body is fixed in the overhanging section of H profile steel, institute
It states steel pipe to be erected between upper and lower level existed concrete bridge floor, the upper end of steel pipe is connect with upper layer existed concrete bridge floor, lower end
Then it is connected with the inner end top flange of H profile steel.
2. postposition H profile steel builder's jack according to claim 1, it is characterised in that：The postposition H profile steel overhangs foot hand
Frame further includes wirerope, and the wirerope is angularly disposed, and the lower end of wirerope is fixed in the overhanging section of H profile steel, and upper end is fixed
On existing wall.
3. postposition H profile steel builder's jack according to claim 2, it is characterised in that：The steel pipe upper end with it is upper
Horizontally disposed upper steel plate is had additional between layer existed concrete bridge floor, the upper end of the steel pipe is fixed on upper steel plate, described
Upper steel plate is connected with upper layer existed concrete bridge floor and steel pipe is made to link together with upper layer existed concrete bridge floor.
4. postposition H profile steel builder's jack according to claim 3, it is characterised in that：The postposition H profile steel overhangs foot hand
Frame further includes a pair of horizontally disposed lower steel plate, and the inner end lower flange of the H profile steel is fixed therein on one piece of lower steel plate, described
Lower steel plate is connected with lower layer existed concrete bridge floor and is connected and fixed H profile steel with lower layer existed concrete bridge floor, under another piece
Existing wall is arranged in for the hole bottom surface that H profile steel passes through in steel plate, and the H profile steel passes through the lower flange at the position at the hole
It is pressed on the lower steel plate.
5. postposition H profile steel builder's jack according to claim 4, it is characterised in that：The steel pipe, H profile steel, steel wire
Rope, upper steel plate and this set of component, the length directions and/or height side for covering components along scaffold main body are constituted more to lower steel plate
To laid out in parallel；The scaffold main body is connected by wall connecting rod part with existing wall.
6. a kind of construction method of postposition H profile steel builder's jack according to claim 1, it is characterised in that including following
Step：
(1) laterally disposed H profile steel, H profile steel pass through existing wall and form overhanging section；
(2) the inner end lower flange of H profile steel is connected and fixed with lower layer existed concrete bridge floor, holds lower layer's existed concrete bridge floor
Carry on a shoulder pole the power of part H profile steel transmitting；
(3) the lower end of steel pipe is fixed on the inner end top flange of H profile steel by vertically arranged steel pipe, and the upper end and upper layer of steel pipe are existing
Concrete floor is connected, and upper layer existed concrete bridge floor is made to undertake the power of part H profile steel transmitting；
(4) scaffold main body is fixed in the overhanging section of H profile steel.
7. construction method according to claim 6, it is characterised in that：An angularly disposed wirerope, by the upper end of wirerope
It is fixed on existing wall, lower end is fixed in the overhanging section of H profile steel.
8. construction method according to claim 7, it is characterised in that：It is existing mixed in the inner end lower flange of H profile steel and lower layer
The horizontal lower steel plate of setting one, the inner end lower flange of H profile steel is fixed on the lower steel plate between solidifying Tulou plate, the lower steel plate with
Lower layer's existed concrete bridge floor is connected and fixed；The horizontal lower steel plate of beneath portions setting one of existing wall, H are passed through in H profile steel
Fashioned iron is pressed on the lower steel plate.
9. construction method according to claim 8, it is characterised in that：Upper end and upper layer existed concrete bridge floor in steel pipe
Between the horizontal upper steel plate of setting one, the upper end of steel pipe is fixed on the upper steel plate, the upper steel plate and upper layer existed concrete bridge
Floor is connected and fixed.
10. construction method according to claim 9, it is characterised in that：On the upper surface of upper layer existed concrete bridge floor
Increase heaped load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566790.8A CN108843008A (en) | 2018-06-05 | 2018-06-05 | A kind of postposition H profile steel builder's jack and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566790.8A CN108843008A (en) | 2018-06-05 | 2018-06-05 | A kind of postposition H profile steel builder's jack and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108843008A true CN108843008A (en) | 2018-11-20 |
Family
ID=64210614
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810566790.8A Pending CN108843008A (en) | 2018-06-05 | 2018-06-05 | A kind of postposition H profile steel builder's jack and its construction method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036795B1 (en) * | 1980-03-14 | 1984-05-16 | SATECO COFFRAGES (Société Anonyme) | Brackets for use during the erection of walls |
| CN103276893A (en) * | 2013-06-04 | 2013-09-04 | 河南国基建设集团有限公司 | Novel composite structure for supporting rigid building template and construction method |
| CN203499226U (en) * | 2012-12-18 | 2014-03-26 | 中国建筑第八工程局有限公司 | Binding beam type steel cantilever scaffold |
| CN203947755U (en) * | 2014-07-17 | 2014-11-19 | 成都市第四建筑工程公司 | A kind of large Steel Cantilever trussed construction high-altitude construction first floor steel truss erecting device |
| CN104179341A (en) * | 2014-08-25 | 2014-12-03 | 中国十七冶集团有限公司 | Method for mounting combining and positioning devices of cantilever bearing frames |
| CN206205480U (en) * | 2016-10-18 | 2017-05-31 | 广东省建筑科学研究院集团股份有限公司 | A kind of interim steel pipe support prestressed reinforcement structure |
| CN207063479U (en) * | 2017-06-09 | 2018-03-02 | 中国建筑第二工程局有限公司 | A kind of suspension scaffold cable-stayed system |
-
2018
- 2018-06-05 CN CN201810566790.8A patent/CN108843008A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036795B1 (en) * | 1980-03-14 | 1984-05-16 | SATECO COFFRAGES (Société Anonyme) | Brackets for use during the erection of walls |
| CN203499226U (en) * | 2012-12-18 | 2014-03-26 | 中国建筑第八工程局有限公司 | Binding beam type steel cantilever scaffold |
| CN103276893A (en) * | 2013-06-04 | 2013-09-04 | 河南国基建设集团有限公司 | Novel composite structure for supporting rigid building template and construction method |
| CN203947755U (en) * | 2014-07-17 | 2014-11-19 | 成都市第四建筑工程公司 | A kind of large Steel Cantilever trussed construction high-altitude construction first floor steel truss erecting device |
| CN104179341A (en) * | 2014-08-25 | 2014-12-03 | 中国十七冶集团有限公司 | Method for mounting combining and positioning devices of cantilever bearing frames |
| CN206205480U (en) * | 2016-10-18 | 2017-05-31 | 广东省建筑科学研究院集团股份有限公司 | A kind of interim steel pipe support prestressed reinforcement structure |
| CN207063479U (en) * | 2017-06-09 | 2018-03-02 | 中国建筑第二工程局有限公司 | A kind of suspension scaffold cable-stayed system |
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Application publication date: 20181120 |