CN105040991A - Large-span steel structure segmental hoisting support structure and large-span steel structure segmental hoisting support method - Google Patents
Large-span steel structure segmental hoisting support structure and large-span steel structure segmental hoisting support method Download PDFInfo
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- CN105040991A CN105040991A CN201510388358.0A CN201510388358A CN105040991A CN 105040991 A CN105040991 A CN 105040991A CN 201510388358 A CN201510388358 A CN 201510388358A CN 105040991 A CN105040991 A CN 105040991A
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Abstract
The invention relates to a large-span steel structure segmental hoisting support structure and a large-span steel structure segmental hoisting support method. The support method comprises the following steps of: dividing steel beams to be hoisted into first steel beams and second steel beams in interval arrangement according to positions after the installation; installing latticed column support assemblies in set positions of the first steel beams; fixedly connecting a carrying pole beam on the upper surface of each second steel beam; hoisting the first steel beams, and supporting the first steel beams by the latticed column support assemblies; and hoisting the second steel beams, and erecting the second steel beams through setting up the carrying pole beams on the first steel beams positioned at two sides of the second steel beams. A support system combining the carrying pole beams and the latticed column support assemblies is used; the steel consumption is effectively reduced; the support cost is reduced; and the field construction is also convenient. The support method belongs to the large-span steel beam segmental hoisting support method with the advantages that the manufacturing is simple; the reliability is high; and the cost is low.
Description
Technical field
The present invention relates to the realm of building construction, refer in particular to a kind of braced structures and method for supporting of large-span steel segmental hoisting.
Background technology
At present, along with the fast development of Chinese national economy, culture, large-span steel is widely used in construction work, but to be in the large span of building comparatively centre position, heavy weight Steel Structure Installation due to place, job site limited, cannot employ large scale hoisting machinery or lifting appliance cannot meet whole Pin and lift, this is that to adopt steel work segmental hoisting to arrange temporary support be one of mounting method relatively commonly used.In existing engineering, more common segmental hoisting temporary support arranges more, and cost of manufacture is larger.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of braced structures and method for supporting of large-span steel segmental hoisting are provided, solve existing segmental hoisting temporary support and arrange more, the problem that cost of manufacture is larger.
The technical scheme realizing above-mentioned purpose is:
The method for supporting of a kind of large-span steel segmental hoisting of the present invention, comprising:
Spaced first girder steel and the second girder steel is divided into according to the position after installation by wait the girder steel lifted;
Desired location in described first girder steel arranges lattice column supporting component;
In the affixed shoulder pole girder of upper surface of described second girder steel;
Lift described first girder steel, support described first girder steel by described lattice column supporting component; And
Lift described second girder steel, be erected on by described shoulder pole girder on described first girder steel being positioned at described second girder steel both sides to set up described second girder steel.
Adopt the support system that shoulder pole girder and lattice column supporting component combine, the magnitude setting of lattice column supporting component can be effectively reduced, in method for supporting of the present invention, the girder steel of half adopts lattice column supporting component to support, second half adopts shoulder pole girder to set up and supports on the girder steel of both sides, effectively reduce the consumption of steel, reduce and support cost, be also convenient to site operation.Method for supporting of the present invention is a kind of method for supporting making the large-span steel girder segmental hoisting simple, reliability is high, cost is low.
The further improvement of the method for supporting of large-span steel segmental hoisting of the present invention is, also comprises:
After described first girder steel and described second steel beam lifting complete, between described first girder steel and the second girder steel, linking beam is installed;
Shoulder pole girder affixed on described second girder steel is removed; And
Described lattice column supporting component is removed.
The further improvement of the method for supporting of large-span steel segmental hoisting of the present invention is, the affixed shoulder pole girder of upper surface in described second girder steel comprises:
There is provided shaped steel part, in the bottom of described shaped steel part, the position of corresponding described second girder steel sets firmly connection otic placode;
The position of corresponding described first girder steel in the two ends bottom described shaped steel part sets firmly shaped steel buttress;
Adjustment backing plate established by bottom pad in described shaped steel buttress; And
By connecting otic placode, described shaped steel part is connected to described second girder steel.
The further improvement of the method for supporting of large-span steel segmental hoisting of the present invention is, when lifting described second girder steel, described adjustment backing plate correspondence is placed on described first girder steel of described second girder steel both sides, by the absolute altitude of described second girder steel of described adjustment backing plate adjustment.
The further improvement of the method for supporting of large-span steel segmental hoisting of the present invention is, arranges lattice column supporting component and comprises:
Lattice column is installed in desired location;
Brace summer is set up between adjacent two described lattice columns; And
Raker beam is installed between described lattice column and described brace summer.
The braced structures of a kind of large-span steel segmental hoisting of the present invention, comprising:
Prop up the lattice column supporting component being located at base surface, top braces has the first girder steel; And
Shoulder pole girder, is fixed in the second girder steel; To be erected on adjacent described first girder steel by described second steel beam lifting between adjacent two described first girder steels by described shoulder pole girder.
The further improvement of the braced structures of large-span steel segmental hoisting of the present invention is, is provided with linking beam between described first girder steel and described second girder steel.
The further improvement of the braced structures of large-span steel segmental hoisting of the present invention is, described shoulder pole girder comprise perpendicular to described second girder steel shaped steel part, be fixed in connection otic placode bottom described shaped steel part, be located at the shaped steel buttress of described shaped steel part end and pad the adjustment backing plate be located at bottom described shaped steel buttress, described connection otic placode is fixedly connected on the upper surface of described second girder steel.
The further improvement of the braced structures of large-span steel segmental hoisting of the present invention is, described first girder steel of the corresponding described second girder steel both sides of described adjustment backing plate is arranged, by regulating the absolute altitude of described second girder steel of backing plate adjustment.
The further improvement of the braced structures of large-span steel segmental hoisting of the present invention is, the raker beam that described lattice column supporting component comprises a lattice column being located at ground, is connected to the brace summer between adjacent described lattice column and is connected between described brace summer and described lattice column.
Accompanying drawing explanation
Fig. 1 be in the method for supporting of large-span steel segmental hoisting of the present invention steel beam lifting complete after structure top view;
Fig. 2 is the first lateral view of lattice column supporting component in the method for supporting of large-span steel segmental hoisting of the present invention;
Fig. 3 is the second lateral view of lattice column supporting component in the method for supporting of large-span steel segmental hoisting of the present invention;
Fig. 4 is the top view of lattice column supporting component in the method for supporting of large-span steel segmental hoisting of the present invention; And
Fig. 5 is the structural representation of shoulder pole girder in the method for supporting of large-span steel segmental hoisting of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
The invention provides a kind of making simple, reliability is high, the method for supporting of the large-span steel segmental hoisting that cost is low and braced structures, girder steel is divided into spaced first girder steel and the second reinforcing bar according to the position after installation, correspondence installs lattice column supporting component under the first girder steel, second girder steel arranges shoulder pole girder, first lift the first girder steel, lattice column supporting component is adopted to support the first girder steel, lift the second girder steel again, set up on the first girder steel of both sides by shoulder pole girder, second girder steel is supported, the invention provides a kind of braced structures and method for supporting reliably, firm support is served to the segmental hoisting of girder steel, guarantee the installation accuracy of girder steel, and the present invention only has the girder steel of half to have employed lattice column support relative to prior art, second half girder steel is supported by shoulder pole girder, efficiently reduce the use amount of steel, cost-saving, to being in the large span of building comparatively centre position, heavy weight Steel Structure Installation can be increased work efficiency and economic benefit.Below in conjunction with accompanying drawing, the braced structures of large-span steel segmental hoisting of the present invention and method for supporting are described.
Consult Fig. 1, show steel beam lifting in the method for supporting of large-span steel segmental hoisting of the present invention complete after structure top view.Consult Fig. 2, show the first lateral view of lattice column supporting component in the method for supporting of large-span steel segmental hoisting of the present invention.Below in conjunction with Fig. 1 and Fig. 2, the braced structures of large-span steel segmental hoisting of the present invention is described.
As depicted in figs. 1 and 2, the braced structures of large-span steel segmental hoisting of the present invention comprises lattice column supporting component 31 and shoulder pole girder 41, and lattice column supporting component 31 and shoulder pole girder 41, for supporting large-span steel, comprise girder steel 11, girder steel 12, girder steel 13, girder steel 14, girder steel 15, girder steel 16, girder steel 17, girder steel 18, and girder steel 19, in the present embodiment, large-span steel comprises nine girder steels, but not as limit, can select the quantity of girder steel as required, and girder steel is divided into spaced first girder steel and the second girder steel, the first girder steel comprises girder steel 11, girder steel 13, girder steel 15, girder steel 17, and girder steel 19, second girder steel comprises girder steel 12, girder steel 14, girder steel 16, and girder steel 18, lattice column supporting component 31 is located at ground, arrange corresponding to the first girder steel, the first girder steel is had in the top braces of lattice column supporting component 31, the first girder steel is supported by lattice column supporting component 31, the lifting construction of auxiliary first girder steel, shoulder pole girder 41 is fixed on the second girder steel, this second steel beam lifting is between two the first girder steels, be erected on by the shoulder pole girder 41 on the second girder steel on the first girder steel being positioned at both sides, second girder steel is provided support, by the second steel girder erection between adjacent two the first girder steels.Adopt shoulder pole girder 41 in conjunction with the braced structures of lattice column supporting component 31, the consumption of steel can be effectively reduced, greatly saved construction cost, be convenient to site operation and shorten the engineering time, can effectively increase work efficiency and economic benefit.
First girder steel and the second steel beam lifting good after, linking beam 21 is set between the first girder steel and the second girder steel, each girder steel is coupled together.
As shown in Figure 5, shoulder pole girder 41 comprises shaped steel part 411, connect otic placode 412, shaped steel buttress 413, and regulate backing plate 414, shaped steel part 411 is arranged perpendicular to the second girder steel, and be erected on the upper surface of the second girder steel, connect the bottom that otic placode 412 is located at shaped steel part 411, the position of corresponding second girder steel of this connection otic placode 412 is arranged, preferably be located at the middle part of shaped steel part 411, shaped steel buttress 413 is located at the end of shaped steel part 411, shaped steel buttress 413 is arranged corresponding to the position of the first girder steel being positioned at the second girder steel both sides, backing plate 414 pad is regulated to be located at the bottom of shaped steel buttress 413, connect the upper surface that otic placode 412 is fixedly connected on the second girder steel, shoulder pole girder 41 is fixed on the second girder steel.
Shoulder pole girder 41 be erected on be positioned at the second girder steel both sides the first girder steel on time, shaped steel buttress 413 and regulate backing plate 414 to be placed on the first girder steel, by the absolute altitude regulating backing plate 414 to adjust the second girder steel, makes the second girder steel and the first girder steel flush.The thickness sum regulating backing plate 414 and shaped steel buttress 413 is the second steel depth of beam.
As shown in Figures 2 to 4, lattice column supporting component 31 comprises lattice column 311, brace summer 312 and raker beam 313, lattice column 311 is located at ground, corresponding first girder steel of lattice column 311 is arranged, the bottom correspondence of a girder steel arranges two lattice columns 311, and brace summer 312 is connected between adjacent lattice column 311, lattice column 311 is played to the effect of support, and lattice column 311 is connected to form an entirety, strengthen structural strength.Raker beam 313 is oblique to be connected between lattice column 311 and brace summer 312.
Be described below in conjunction with the method for supporting of accompanying drawing to large-span steel segmental hoisting of the present invention.
The method for supporting of large-span steel segmental hoisting of the present invention comprises:
As shown in Figure 1, spaced first girder steel and the second girder steel is divided into according to the position after installation by wait the girder steel lifted, first girder steel comprise girder steel 11, girder steel 13, girder steel 15, girder steel 17 and girder steel 19, second girder steel comprise girder steel 12, girder steel 14, girder steel 16 and girder steel 18;
As shown in Figure 2, lattice column supporting component 31 is set at the desired location of the first girder steel, for supporting the first girder steel;
As shown in Figure 5, at the affixed shoulder pole girder 41 of the upper surface of the second girder steel, the second girder steel is supported by shoulder pole girder 41;
Lift the first girder steel, support the first girder steel by lattice column supporting component 31; Lift the second girder steel, be erected on by the shoulder pole girder on the second girder steel on the technology girder steel being positioned at the second girder steel both sides to support the second girder steel.For hoisting steel beam 12, the shoulder pole girder 41 on the girder steel 11 of girder steel 12 both sides and girder steel 13 support steel beam 12, this shoulder pole girder 41 is erected on girder steel 11 and girder steel 13, with support steel beam 12.
After the first girder steel and the second steel beam lifting complete, linking beam 21 is installed between the first girder steel and the second girder steel, after linking beam 21 installation, shoulder pole girder 41 affixed on the second girder steel is removed, then the lattice column supporting component 31 of the first steel beam bottom is removed.
As shown in Figure 5, comprise at the affixed shoulder pole girder 41 of the upper surface of the second girder steel, shaped steel part 411 is provided, in the bottom of shaped steel part 411, the position of corresponding second girder steel sets firmly and connects otic placode 412, this connection otic placode 412 is arranged on the middle part of shaped steel part 411, the position of corresponding first girder steel in the two ends bottom shaped steel part 411 sets firmly shaped steel buttress 413, is that the bottom pad of shaped steel buttress 413 is established and regulates backing plate 414, and shoulder pole girder 41 is connected on the second girder steel by connecting otic placode 412.As shown in Figure 1, a girder steel is arranged four shoulder pole girders 41, girder steel 12 is provided with the both sides that four shoulder pole girders, 41, two shoulder pole girders 41 are located at lattice column 311, and the shoulder pole girder 41 on two adjacent the second girder steels is crisscross arranged.
When lifting the second girder steel, the adjustment backing plate 414 on shoulder pole girder 41 is placed on the first corresponding girder steel, by the absolute altitude regulating backing plate to adjust the second girder steel.
As shown in Figure 2 to Figure 3, arrange lattice column supporting component to comprise: the desired location in the first girder steel installs lattice column 311, the bottom of a girder steel arranges two lattice columns 311 and supports, between adjacent two lattice columns 311, set up brace summer 312, oblique between lattice column 311 and brace summer 312 raker beam 313 is set.Played the effect of reinforcing by brace summer 312 and raker beam 313 pairs of lattice columns 311, guarantee the steadiness of structure.
Sequence of construction of the present invention is: first arrange the lattice column supporting component for supporting the first girder steel, be shoulder pole girder installed by the second girder steel, then the first girder steel is lifted, support the first girder steel by lattice column supporting component, after installing the first girder steel, then lift the second girder steel, set up by shoulder pole girder and support the second girder steel on the first girder steel of both sides, second girder steel carries out fine setting absolute altitude by shoulder pole girder, after installing the second girder steel, between girder steel, installs linking beam.Then unload shoulder pole girder, connection otic placode is sliced off, after removing shoulder pole girder, at unloading lattice column supporting component.
The method that large-span steel girder segmentation place adopts interim lattice column supporting component to combine with interim shoulder pole girder, is convenient to site operation, cost-saving.Be in the large span of building comparatively centre position, heavy weight Steel Structure Installation adopt steel work segmental hoisting to arrange method that temporary support combines with shoulder pole girder can be increased work efficiency and economic benefit.
Adopt the support system that shoulder pole girder and lattice column supporting component combine, the magnitude setting of lattice column supporting component can be effectively reduced, in method for supporting of the present invention, the girder steel of half adopts lattice column supporting component to support, second half adopts shoulder pole girder to set up and supports on the girder steel of both sides, effectively reduce the consumption of steel, reduce and support cost, be also convenient to site operation.Method for supporting of the present invention is a kind of method for supporting making the large-span steel girder segmental hoisting simple, reliability is high, cost is low.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection scope of the present invention.
Claims (10)
1. a method for supporting for large-span steel segmental hoisting, is characterized in that, comprising:
Spaced first girder steel and the second girder steel is divided into according to the position after installation by wait the girder steel lifted;
Desired location in described first girder steel arranges lattice column supporting component;
In the affixed shoulder pole girder of upper surface of described second girder steel;
Lift described first girder steel, support described first girder steel by described lattice column supporting component; And
Lift described second girder steel, be erected on by described shoulder pole girder on described first girder steel being positioned at described second girder steel both sides to set up described second girder steel.
2. the method for supporting of large-span steel segmental hoisting as claimed in claim 1, is characterized in that, also comprise:
After described first girder steel and described second steel beam lifting complete, between described first girder steel and the second girder steel, linking beam is installed;
Shoulder pole girder affixed on described second girder steel is removed; And
Described lattice column supporting component is removed.
3. the method for supporting of large-span steel segmental hoisting as claimed in claim 1, it is characterized in that, the affixed shoulder pole girder of upper surface in described second girder steel comprises:
There is provided shaped steel part, in the bottom of described shaped steel part, the position of corresponding described second girder steel sets firmly connection otic placode;
The position of corresponding described first girder steel in the two ends bottom described shaped steel part sets firmly shaped steel buttress;
Adjustment backing plate established by bottom pad in described shaped steel buttress; And
By connecting otic placode, described shaped steel part is connected to described second girder steel.
4. the method for supporting of large-span steel segmental hoisting as claimed in claim 3, it is characterized in that, when lifting described second girder steel, described adjustment backing plate correspondence is placed on described first girder steel of described second girder steel both sides, by the absolute altitude of described second girder steel of described adjustment backing plate adjustment.
5. the method for supporting of large-span steel segmental hoisting as claimed in claim 1, is characterized in that, arrange lattice column supporting component and comprise:
Lattice column is installed in desired location;
Brace summer is set up between adjacent two described lattice columns; And
Raker beam is installed between described lattice column and described brace summer.
6. a braced structures for large-span steel segmental hoisting, is characterized in that, comprising:
Prop up the lattice column supporting component being located at base surface, top braces has the first girder steel; And
Shoulder pole girder, is fixed in the second girder steel; To be erected on two adjacent described first girder steels by described second steel beam lifting between adjacent two described first girder steels by described shoulder pole girder.
7. the braced structures of large-span steel segmental hoisting as claimed in claim 6, is characterized in that, be provided with linking beam between described first girder steel and described second girder steel.
8. the braced structures of large-span steel segmental hoisting as claimed in claim 6, it is characterized in that, described shoulder pole girder comprise perpendicular to described second girder steel shaped steel part, be fixed in connection otic placode bottom described shaped steel part, be located at the shaped steel buttress of described shaped steel part end and pad the adjustment backing plate be located at bottom described shaped steel buttress, described connection otic placode is fixedly connected on the upper surface of described second girder steel.
9. the braced structures of large-span steel segmental hoisting as claimed in claim 8, is characterized in that, described first girder steel of the corresponding described second girder steel both sides of described adjustment backing plate is arranged, by regulating the absolute altitude of described second girder steel of backing plate adjustment.
10. the braced structures of large-span steel segmental hoisting as claimed in claim 7, it is characterized in that, the raker beam that described lattice column supporting component comprises a lattice column being located at ground, is connected to the brace summer between adjacent described lattice column and is connected between described brace summer and described lattice column.
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| CN201510388358.0A CN105040991B (en) | 2015-07-03 | 2015-07-03 | The supporting construction and method for supporting of large-span steel segmental hoisting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114250899A (en) * | 2021-12-24 | 2022-03-29 | 奥意建筑工程设计有限公司 | Single-inclined-support large-span floor structure system |
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| CN201132941Y (en) * | 2007-12-04 | 2008-10-15 | 中铁大桥局股份有限公司 | Self floating lower carrying pole beam of moveable formwork |
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