CN108678398A - A kind of high-rise building enhancement layer steel structure truss pre-assembly method - Google Patents
A kind of high-rise building enhancement layer steel structure truss pre-assembly method Download PDFInfo
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- CN108678398A CN108678398A CN201810792200.3A CN201810792200A CN108678398A CN 108678398 A CN108678398 A CN 108678398A CN 201810792200 A CN201810792200 A CN 201810792200A CN 108678398 A CN108678398 A CN 108678398A
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- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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Abstract
The invention discloses a kind of high-rise building enhancement layer steel structure truss pre-assembly methods, include the following steps：1）Pre-splicing assembling platform is set up on ground in factory；2) enhancement layer truss is divided into three parts by structural plane：Semi-girder truss portion and outer shroud truss portion are chosen outside Core Walls Structure inner ring truss portion, Core Walls Structure, each part is then divided into multiple components using BIM technology；3）Core Walls Structure inner ring truss portion preassembling；4）Semi-girder truss portion preassembling is chosen outside Core Walls Structure；5）Outer shroud truss portion preassembling.The present invention is that preassembling is more convenient using the scheme for spelling system one, accuracy and reliability higher, and can effectively improve assembled efficiency；And then it is more convenient to make to build the construction of truss enhancement layer, can reduce construction cost.
Description
Technical field
The present invention relates to construction articles for use field more particularly to a kind of high-rise building enhancement layer steel structure truss are pre-splicing
Dress method.
Background technology
With flourishing for China's steel building, high-rise building is gradually sent out to functional diversities, complicatedization
Exhibition, more and more skyscrapers need to be tied with the lateral resisting structure system of outer framework+Core Walls Structure+enhancement layer semi-girder truss etc. to meet
Structure design requirement.Enhancement layer is set in skyscraper, the requirement of architectural plane function can be met and meets the strong of structure
Degree is stablized, the requirement of displacement and ductility.Wherein, contilever structure connects external frame and Core Walls Structure, enhances structure
Globality gives full play to space mass action, to further enhance the whole anti-side rigidity of structure.Meanwhile as building is high
Degree gradually increases, and enhancement layer structure also tends to node complication, diversification of forms, the development of component enlargement feature.
High-rise building enhancement layer suffers from that complicated, special-shaped, the scale of construction is big, quality requirement is high, and the number of components is more, size
Greatly, the big feature of steel plate thickness welding capacity.When carrying out entity preassembling, it is big often to be faced with the usual scale of construction of enhancement layer structure, work
Work amount is big, and the duration is nervous, and scene is no longer assembled, and the case where require component to dispatch from the factory by schedule requirement sequence.Enhancement layer entirety ruler
Very little big, preassembling need to occupy larger place, and place is limited, can not provide the field of large-scale truss integral assembling in usual processing factory
Ground can only select to carry out preassembling in open area.But this needs special preparation preassembling place, adds special preassembling tire
Frame, and open area usually lacks large-tonnage bridge crane equipment.The limitation of these internal, external many factors, increases work
It measures, increases processing cost, increase the pressure for ensureing quality and progress, be the pre- of high-rise building enhancement layer semi-girder truss
Assembly causes adverse effect.
Invention content
For deficiencies of the prior art, it is an object of the invention to solve the construction of skyscraper truss enhancement layer
Trouble, heavy workload, preassembling are inconvenient, low construction efficiency, and accuracy is low, poor reliability, and the problem that construction cost is high,
A kind of high-rise building enhancement layer steel structure truss pre-assembly method is provided, preassembling is more convenient, and accuracy and reliability is more
Height, and assembled efficiency can be effectively improved；And then it is more convenient to make to build the construction of truss enhancement layer, can reduce construction cost.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is such：A kind of high-rise building reinforcement
Layer steel structure truss pre-assembly method, it is characterised in that：Include the following steps：
1）Pre-splicing assembling platform is set up on ground in factory：The pre-splicing assembling platform includes several first H profile steels and landing slab, described
First H profile steel is mutually parallel, and the top flange plate of all first H profile steels is located in same level, adjacent two first H profile steels it
Between spacing be 0.5-1m；The landing slab be layed on the top flange plate of the first H profile steel and with the top flange of the first H profile steel
Plate is fixedly connected, and the length direction of landing slab is vertical with the length direction of the first H profile steel；Wherein, the landing slab is by several
Steel plate welds to be formed；
2) enhancement layer truss is divided into three parts by structural plane：Semi-girder truss is chosen outside Core Walls Structure inner ring truss portion, Core Walls Structure
Part and outer shroud truss portion, are then divided into multiple components using BIM technology by each part；
3）Core Walls Structure inner ring truss portion preassembling：
A, according to preassembling scheme, line-transect, described ground line-transect include core with drawing Core Walls Structure inner ring truss portion on landing slab
The corresponding axis of heart cylinder inner ring truss portion and elevation line, and indicate projection line of the core inner cylinder truss portion on landing slab
And layout point；
B, on landing slab, the position of corresponding corner post is laid with one group of corner post supporting rack respectively, and the corner post supporting rack includes along flat
Three second H profile steels of platen width direction distribution, the length direction of second H profile steel is consistent with the length direction of landing slab,
And second H profile steel is detachably connected with landing slab；It is equipped with the first female vertically on the top flange plate of the second H profile steel
Plate, plane where first concave template cross the center line of the top flange plate of the second H profile steel, and detachable with the second H profile steel
Connection；First concave template has a locating slot through side thereon, the preassembling of corner post can be made to connect by the locating slot
Side is located at vertical plane；Interior truss support frame is equipped between two groups of corner post supporting racks, the interior truss support frame includes at least
Three third H profile steels along the distribution of landing slab length direction, the length direction of the third H profile steel and the width direction one of landing slab
It causes, and is detachably connected with landing slab；
C, Core Walls Structure corner post is individually placed in the first concave template of two groups of corner post supporting racks, and two corner posts is made to be connected with truss
Side it is opposite；Wherein, the Core Walls Structure corner post is divided into upper prop and lower prop, adjusts the position of Core Walls Structure corner post, makes Core Walls Structure angle
Layout point on column coincides with the layout point on ground line-transect, then carries out temperature pier to the junction of upper prop and lower prop；So
The preassembling box bracket on two corner posts afterwards, and adjust to after being overlapped with the projection line on landing slab, then box bracket is interim
It is fixed；
D, truss plate in lower layer is lifted on truss support frame by driving a vehicle, wherein truss plate includes winding up in the lower layer
Beam lower plywood, lower-cord beam lower plywood and diagonal web member lower plywood；In hoisting process, lifting successively is winded up under beam lower plywood, lower-cord beam
Laminate and diagonal web member lower plywood, then adjust to the projection line on landing slab and overlap, then be fixed temporarily；
E, the position line that truss inner prop, truss inner beam and truss connecting plate are drawn on lower layer's truss plate, is then sequentially placed purlin
Frame inner prop, truss inner beam and truss connecting plate；Upper layer truss plate is lifted into truss inner prop, truss inner beam and purlin by driving a vehicle again
Above frame connecting plate, the upper layer truss plate includes wind up beam top plate, lower-cord beam top plate and diagonal web member top plate；It lifted
Cheng Zhong lifts wind up beam top plate, lower-cord beam top plate and diagonal web member top plate successively, after then adjusting position to qualification, then
It is fixed temporarily；
F, the gap between each parts of detection, levelness, complete preassembling；
G, according to using BIM technology divide component, carry out the welding of parts, make each component be respectively formed one it is independent whole
Body；
H, step A-H is repeated, until entire Core Walls Structure inner ring truss portion preassembling is completed；
4）Semi-girder truss portion preassembling is chosen outside Core Walls Structure：
A, by landing slab truss support frame and one of which corner post supporting rack remove, while wiping the ground sample on landing slab
Line, projection line and layout point；
B, it based on remaining one group of corner post supporting rack, is drawn on landing slab outside Core Walls Structure and chooses semi-girder partly line-transect, and
It indicates and chooses projection line and layout point of the semi-girder part on landing slab outside Core Walls Structure；
C, on landing slab, one group of exterior frame column supporting rack is arranged in the position of corresponding exterior frame column, and the exterior frame column supporting rack includes extremely
Few three the 4th H profile steels along the distribution of landing slab width direction, the length direction of the length direction and landing slab of the 4th H profile steel
Unanimously, and the 4th H profile steel is detachably connected with landing slab；The second female is equipped on the top flange plate of the 4th H profile steel
Plate, plane where second concave template cross the center line of the top flange plate of the 4th H profile steel, and detachable with the 4th H profile steel
Connection；Between corner post supporting rack and exterior frame column supporting rack, the position of corresponding wind up beam, lower-cord beam and diagonal web member is provided with outer choose
Semi-girder truss support frame；It includes at least two the 5th H being distributed along landing slab length direction to choose semi-girder truss support frame outside described
The length direction of shaped steel, the 5th H profile steel is consistent with the width direction of landing slab；
D, corner post and exterior frame column are put into corresponding concave template, and make to choose the one of semi-girder truss outside corner post and exterior frame column installation
Side is opposite, and then the preassembling box bracket on corner post and exterior frame column, then adjusts to the projection line on landing slab and overlap, then
Box bracket is fixed temporarily；
E, semi-girder truss plate will be chosen by driving outside lower layer and be lifted into outer choose on semi-girder supporting rack, wherein choose and stretch outside the lower layer
Arm truss plate includes wind up beam lower plywood, lower-cord beam lower plywood and oblique web grider lower plywood；In hoisting process, the beam that winds up is lifted successively
Lower plywood, lower-cord beam lower plywood and oblique web grider lower plywood, then adjust to the projection line on landing slab and overlap, then carry out interim
It is fixed；Then placement semi-girder connecting plate on semi-girder truss plate is chosen outside lower layer；Again semi-girder truss plate will be chosen by driving outside upper layer
It is lifted into above semi-girder connecting plate, it includes wind up beam top plate, lower-cord beam top plate and oblique that semi-girder truss plate is chosen outside the upper layer
Web grider top plate after then adjusting position to qualification, then is fixed temporarily；
F, the gap between each parts of detection, levelness, complete preassembling；
G, according to using BIM technology divide component, carry out the welding of parts, make each component be respectively formed one it is independent whole
Body；
H, step A-H is repeated, is completed until choosing semi-girder part preassembling outside all Core Walls Structures；
5）Outer shroud truss portion preassembling：
A, outer on landing slab is chosen into semi-girder supporting rack and corner post supporting rack is removed, while wiped the ground line-transect on landing slab, throwing
Hachure and layout point；
B, the position for adjusting exterior frame column supporting rack on landing slab is painted then based on the exterior frame column supporting rack on landing slab
Outer shroud truss portion processed ground line-transect, and indicate projection line and layout point of the outer shroud truss portion on landing slab；
C, on landing slab, one group of exterior frame column supporting rack is arranged in the position of corresponding another exterior frame column again；It is supported in two groups of exterior frame columns
Outer shroud truss element supporting rack is set between frame；The outer shroud truss element supporting rack includes at least two along landing slab length side
To the 6th H profile steel of distribution, the length direction of the 6th H profile steel is consistent with the width direction of landing slab, and removable with landing slab
Unload connection；
D, another exterior frame column is put into corresponding second concave template, and the side phase that two exterior frame columns are connected with ring truss
To then box bracket, is then fixed temporarily by the pre- bottled box bracket on corner post and exterior frame column；
E, lower layer's outer shroud truss element plate is lifted on outer shroud truss element supporting rack by driving a vehicle, wherein outside the lower layer
Ring truss element plate includes upper beam lower plywood, underbeam lower plywood and the oblique web grider lower plywood of X-shaped；In hoisting process, successively in lifting
Beam lower plywood, underbeam lower plywood and the oblique web grider lower plywood of X-shaped, then adjust to the projection line on landing slab and overlap, then carry out
It is fixed temporarily；Then connecting plate is placed on lower layer's outer shroud truss element plate；Again by driving a vehicle upper layer outer shroud truss element plate
It is lifted into above semi-girder connecting plate, the upper layer outer shroud truss element plate includes upper beam top plate, underbeam top plate and the oblique abdomen of X-shaped
Beam top plate after then adjusting position to qualification, then is fixed temporarily；
F, the gap between each parts of detection, levelness, complete preassembling；
G, according to using BIM technology divide component, carry out the welding of parts, make each component be respectively formed one it is independent whole
Body；
H, step A-H is repeated, until all Core Walls Structure outer shroud truss portion preassemblings are completed.
Further, semi-girder truss portion is chosen outside Core Walls Structure inner ring truss portion, Core Walls Structure and outer shroud truss portion is pre-
During assembly, when repeating A-H steps, it is both needed to the placement status according to corner post and/or exterior frame column, replaces corresponding female
Plate, to ensure corner post and/or exterior frame column and interior truss or outer choose semi-girder truss or ring truss is located at same level.
Further, in the placement process of corner post and exterior frame column, according to layout point, using level meter and sash weight to steel column
Position test.
Further, it detects gap between each parts, during levelness, examined by steel tape, level meter
It surveys.
Further, in detection process, the mismatch between each parts closes requirement, is indicated and is remembered
Record forms preassembling original position parameter and checks table.
Compared with prior art, the invention has the advantages that：
1, it is directed to element structure complexity feature, using the thought of " system spells one ", the welding processing link of partial component is incorporated
During preassembling, workload is reduced, cost is reduced, realizes energy saving green processing.
2, big for the component scale of construction in enhancement layer, complicated, the similar feature of structure composition has formulated small lot dress
Technological process with formula production is split component by class, classification processing, and the parts unification of same type is processed, is finally spelled
Dress is processed into integral component；Simultaneously, it is possible to reduce process intersects, increases utilization of area rate, reduces cost, is also convenient for component
Processing quality carries out grading control.
3, by the way of horizontal assembly in factory, factory's internally-fixed assembly platform and supporting rack in bulk are applied in combination,
Can in Same Site alternately component assembly work and preassembling work, workload is reduced in a manner of relatively inexpensive；
Suitable for the preassembling of enhancement layer truss that is continuous in processing factory, quickly carrying out large span, the big scale of construction, duration anxiety, it is not necessarily to
Special preassembling place.
4, it is limited to be directed to place in processing factory, process time urgent feature, by Core Walls Structure inner ring truss portion, Core Walls Structure
It chooses semi-girder truss portion outside and outer shroud truss portion is respectively classified into several preassembling components, it is pre- to carry out continuous coupling by manufacture requirement
Assembly reduces place and occupies, reduces high-rise working.
5, for the component welded again after preassembling, the parameter check table in situ recorded when using preassembling is to the component
Preassembling postwelding check is carried out, ensures component processing quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of pre-splicing assembling platform.
Fig. 2 is Core Walls Structure inner ring truss preassembling jig structure schematic diagram.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is semi-girder truss preassembling jig structure schematic diagram.
Fig. 5 is outer shroud truss preassembling jig structure schematic diagram.
Fig. 6 is the partition structure schematic diagram of Core Walls Structure inner ring truss portion.
Fig. 7 is the partition structure schematic diagram that semi-girder truss portion is chosen outside Core Walls Structure.
Fig. 8 is the partition structure schematic diagram of outer shroud truss portion.
In figure：1-the first H profile steel, 2-landing slabs, the 3-the second H profile steel, 4-third H profile steels, the 5-the first female
Plate, the 6-the four H profile steel, the 7-the five H profile steel, the 8-the second concave template, the 9-the six H profile steel.
In Fig. 6-Fig. 8, dotted line frame is the schematic diagram of each component divided.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment：Referring to Fig. 1 to Fig. 8, a kind of high-rise building enhancement layer steel structure truss pre-assembly method, including it is as follows
Step：
1）Pre-splicing assembling platform is set up on ground in factory：The pre-splicing assembling platform includes several first H profile steels 1 and landing slab 2, institute
It states the first H profile steel 1 to be mutually parallel, and the top flange plate of all first H profile steels 1 is located in same level, adjacent two first H-types
Spacing between steel 1 is 0.5-1m；The landing slab 2 be layed on the top flange plate of the first H profile steel 1 and with the first H profile steel 1
Top flange plate be fixedly connected, and the length direction of landing slab 2 is vertical with the length direction of the first H profile steel 1；Wherein, described flat
Platen 2 is welded by several steel plates and is formed.During assembly, first of first H profile steels 1 are placed at higher position, use level
Instrument ensures that its upper level is consistent, on the basis of the upper level of first of first H profile steels 1, often places the first H-type together
Steel 1 just examines its upper level using level meter, and a test point is arranged every 1.5m on length direction, highly inconsistent
When, it is adjusted by gasket；Bracing wire method is utilized simultaneously, examines all overall surface flatness for having spread the first H profile steel 1, it is ensured that
1 surface of the first H profile steel is spread in same level.Wherein, landing slab 2 is tiled by 30mm steel plates；When laying, ensure steel
Plate length direction and the length direction of the first H profile steel 1 are orthogonal, and the gap of 5mm is reserved between adjacent two steel plates, and pass through
Electric welding mode makes steel plate be connected with each other；Meanwhile it is levelling using level meter and the progress of bracing wire method, ensure entire workbench flatness
In 3mm, every steel plate is uniformly arranged 9 monitoring points, using level meter detection surface level thereon, to undesirable place into
Row finishing.
2) enhancement layer truss is divided into three parts by structural plane：Semi-girder is chosen outside Core Walls Structure inner ring truss portion, Core Walls Structure
Then each part is divided into multiple components by truss portion and outer shroud truss portion using BIM technology；Specific implementation process
In, various pieces are divided into multiple components in one direction using BIM technology.
3）Core Walls Structure inner ring truss portion preassembling：
A, according to preassembling scheme, line-transect, described ground line-transect include core with drawing Core Walls Structure inner ring truss portion on landing slab 2
The corresponding axis of heart cylinder inner ring truss portion and elevation line, and indicate projection of the core inner cylinder truss portion on landing slab 2
Line and layout point.
B, on landing slab 2, the position of corresponding corner post is laid with one group of corner post supporting rack respectively, and the corner post supporting rack includes
At least three the second H profile steels 3 along the distribution of 2 width direction of landing slab, the length of the length direction and landing slab 2 of second H profile steel 3
It is consistent to spend direction, and second H profile steel 3 is detachably connected with landing slab 2；It is set vertically on the top flange plate of the second H profile steel 3
There is the first concave template 5, first concave template, 5 place plane crosses the center line of the top flange plate of the second H profile steel 3, and with
Second H profile steel 3 is detachably connected；First concave template 5 has a locating slot through side thereon, can be made by the locating slot
The preassembling connection side of corner post is located at vertical plane；Interior truss support frame, the interior purlin are equipped between two groups of corner post supporting racks
Frame supporting rack includes at least three third H profile steels 4 being distributed along 2 length direction of landing slab, the length direction of the third H profile steel 4
It is consistent with the width direction of landing slab 2, and be detachably connected with landing slab 2.
C, Core Walls Structure corner post is individually placed in the first concave template 5 of two groups of corner post supporting racks, and makes two corner posts and purlin
The connected side of frame is opposite；Wherein, the Core Walls Structure corner post is divided into upper prop and lower prop, adjusts the position of Core Walls Structure corner post, makes core
Layout point on heart cylinder corner post coincides with the layout point on ground line-transect, then to the junction of upper prop and lower prop temporarily add
Gu；Then the preassembling box bracket on two corner posts is adjusted to after being overlapped with the projection line on landing slab 2, then by box bracket
It is fixed temporarily.
D, truss plate in lower layer is lifted on truss support frame by driving a vehicle, wherein truss plate includes in the lower layer
Wind up beam lower plywood, lower-cord beam lower plywood and diagonal web member lower plywood；In hoisting process, wind up beam lower plywood, lower edge are lifted successively
Beam lower plywood and diagonal web member lower plywood, then adjust to the projection line on landing slab 2 and overlap, then be fixed temporarily.
E, the position line that truss inner prop, truss inner beam and truss connecting plate are drawn on lower layer's truss plate, then puts successively
Set truss inner prop, truss inner beam and truss connecting plate；Upper layer truss plate is lifted into truss inner prop, truss inner beam by driving a vehicle again
Above truss connecting plate, the upper layer truss plate includes wind up beam top plate, lower-cord beam top plate and diagonal web member top plate；It hangs
During dress, wind up beam top plate, lower-cord beam top plate and diagonal web member top plate are lifted successively, then adjust position to qualification
Afterwards, it then is fixed temporarily.
F, the gap between each parts of detection, levelness, complete preassembling.
G, according to the component divided using BIM technology, the welding of parts is carried out, each component is made to be respectively formed an independence
Entirety.
H, step A-H is repeated, until entire Core Walls Structure inner ring truss portion preassembling is completed.In specific implementation process, by
It in the adjacent both sides of each corner post is both needed to that interior truss is installed, therefore, in the process, a wherein corner post need to only be removed, then
Another corner post is moved on the corner post supporting rack for removing corner post, and turns to another installation side, then replaces corresponding the
One concave template 5 is fixed；The corner post adjacent with the corner post side is lifted again carries out installation positioning；Then step C-H is repeated；
So as to further save pre-splicing ETL estimated time of loading, preassembling efficiency is improved.
4）Semi-girder truss portion preassembling is chosen outside Core Walls Structure：
A, by landing slab 2 truss support frame and one of which corner post supporting rack remove, while wiping the ground sample on landing slab 2
Line, projection line and layout point.
B, it based on remaining one group of corner post supporting rack, is drawn on landing slab 2 outside Core Walls Structure and chooses semi-girder partly sample
Line, and indicate and choose projection line and layout point of the semi-girder part on landing slab 2 outside Core Walls Structure.
C, on landing slab 2, one group of exterior frame column supporting rack, the exterior frame column supporting rack packet is arranged in the position of corresponding exterior frame column
Include at least three the 4th H profile steels 6 being distributed along 2 width direction of landing slab, length direction and the landing slab 2 of the 4th H profile steel 6
Length direction is consistent, and the 4th H profile steel 6 is detachably connected with landing slab 2；It is equipped on the top flange plate of the 4th H profile steel 6
Second concave template 8, second concave template, 8 place plane cross the center line of the top flange plate of the 4th H profile steel 6, and with
Four H profile steels 6 are detachably connected；Between corner post supporting rack and exterior frame column supporting rack, corresponding wind up beam, lower-cord beam and diagonal web member
Semi-girder truss support frame is chosen outside being provided in position.Semi-girder truss support frame is chosen outside described including at least two along 2 length of landing slab
The length direction of 5th H profile steel 7 of directional spreding, the 5th H profile steel 7 is consistent with the width direction of landing slab 2；
D, corner post and exterior frame column are put into corresponding concave template, and make to choose the one of semi-girder truss outside corner post and exterior frame column installation
Side is opposite, and then the preassembling box bracket on corner post and exterior frame column, then adjusts to the projection line on landing slab 2 and overlap,
Box bracket is fixed temporarily again.
E, semi-girder truss plate will be chosen by driving outside lower layer and be lifted into outer choose on semi-girder supporting rack, wherein outside the lower layer
It includes wind up beam lower plywood, lower-cord beam lower plywood and oblique web grider lower plywood to choose semi-girder truss plate；In hoisting process, successively in lifting
String beam lower plywood, lower-cord beam lower plywood and oblique web grider lower plywood, then adjust to the projection line on landing slab 2 and overlap, then into
Row is fixed temporarily；Then placement semi-girder connecting plate on semi-girder truss plate is chosen outside lower layer；Again semi-girder will be chosen by driving outside upper layer
Truss plate is lifted into above semi-girder connecting plate, and it includes wind up beam top plate, lower-cord beam upper layer that semi-girder truss plate is chosen outside the upper layer
Plate and oblique web grider top plate after then adjusting position to qualification, then are fixed temporarily.
F, the gap between each parts of detection, levelness, complete preassembling.
G, according to the component divided using BIM technology, the welding of parts is carried out, each component is made to be respectively formed an independence
Entirety.
H, step A-H is repeated, is completed until choosing semi-girder part preassembling outside all Core Walls Structures.During practice of construction, by
Outer contilever structure and connection type, the direction of choosing in each position is consistent, therefore can only repeat step D-H, so as to
Pre-splicing ETL estimated time of loading is enough further saved, preassembling efficiency is improved.
5）Outer shroud truss portion preassembling：
A, outer on landing slab 2 is chosen into semi-girder supporting rack and corner post supporting rack is removed, at the same wipe the ground line-transect on landing slab 2,
Projection line and layout point.
B, the position for adjusting exterior frame column supporting rack on landing slab 2, then based on the exterior frame column supporting rack, in landing slab
Outer shroud truss portion is drawn on 2 line-transect, and indicate projection line and layout point of the outer shroud truss portion on landing slab 2.
C, on landing slab 2, one group of exterior frame column supporting rack is arranged in the position of corresponding another exterior frame column again；In two groups of exterior frame columns
Ring truss element supporting rack is set between supporting rack；The outer shroud truss element supporting rack includes at least two and is grown along landing slab 2
The 6th H profile steel 9 of directional spreding is spent, the length direction of the 6th H profile steel 9 is consistent with the width direction of landing slab 2, and and platform
Plate 2 is detachably connected.
D, another exterior frame column is put into corresponding second concave template 8, and two exterior frame columns be connected with ring truss one
Side is opposite, and then box bracket, is then fixed temporarily by the pre- bottled box bracket on corner post and exterior frame column.
E, lower layer's outer shroud truss element plate is lifted on outer shroud truss element supporting rack by driving a vehicle, wherein under described
Layer outer shroud truss element plate includes upper beam lower plywood, underbeam lower plywood and the oblique web grider lower plywood of X-shaped；In hoisting process, hang successively
Beam lower plywood, underbeam lower plywood and the oblique web grider lower plywood of X-shaped are loaded onto, then adjusts to the projection line on landing slab 2 and overlaps, then
It is fixed temporarily；Then connecting plate is placed on lower layer's outer shroud truss element plate；Again by driving a vehicle upper layer outer shroud truss list
First plate is lifted into above semi-girder connecting plate, and the upper layer outer shroud truss element plate includes upper beam top plate, underbeam top plate and X-shaped
Oblique web grider top plate, after then adjusting position to qualification, then is fixed temporarily.
F, the gap between each parts of detection, levelness, complete preassembling.
G, according to the component divided using BIM technology, the welding of parts is carried out, each component is made to be respectively formed an independence
Entirety.
H, step A-H is repeated, until all Core Walls Structure outer shroud truss portion preassemblings are completed.
Wherein, semi-girder truss portion and outer shroud truss portion preassembling are chosen outside Core Walls Structure inner ring truss portion, Core Walls Structure
In the process, when repeating A-H steps, it is both needed to the placement status according to corner post and/or exterior frame column, replaces corresponding concave template, with
Ensure corner post and/or exterior frame column and interior truss or outer chooses semi-girder truss or ring truss is located at same level.In corner post and outline border
In the placement process of column, according to layout point, tested to the position of steel column using level meter and sash weight.
In detection process after each section preassembling, detects gap between each parts, during levelness, passes through
Steel tape, level meter are detected.Also, the mismatch between each parts closes requirement, is indicated and is recorded, shape
Table is checked at preassembling original position parameter；In this way, for the component welded again after preassembling, the original position recorded when using preassembling
Parameter checks table and carries out preassembling postwelding check to the component, ensures component processing quality.
Finally, it should be noted that technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, it will be understood by those of ordinary skill in the art that, those are modified or replaced equivalently technical scheme of the present invention, and
The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of high-rise building enhancement layer steel structure truss pre-assembly method, it is characterised in that：Include the following steps：
1）Pre-splicing assembling platform is set up on ground in factory：The pre-splicing assembling platform includes several first H profile steels and landing slab, described
First H profile steel is mutually parallel, and the top flange plate of all first H profile steels is located in same level, adjacent two first H profile steels it
Between spacing be 0.5-1m；The landing slab be layed on the top flange plate of the first H profile steel and with the top flange of the first H profile steel
Plate is fixedly connected, and the length direction of landing slab is vertical with the length direction of the first H profile steel；Wherein, the landing slab is by several
Steel plate welds to be formed；
2) enhancement layer truss is divided into three parts by structural plane：Semi-girder truss is chosen outside Core Walls Structure inner ring truss portion, Core Walls Structure
Part and outer shroud truss portion, are then divided into multiple components using BIM technology by each part；
3）Core Walls Structure inner ring truss portion preassembling：
A, according to preassembling scheme, line-transect, described ground line-transect include core with drawing Core Walls Structure inner ring truss portion on landing slab
The corresponding axis of heart cylinder inner ring truss portion and elevation line, and indicate projection line of the core inner cylinder truss portion on landing slab
And layout point；
B, on landing slab, the position of corresponding corner post is laid with one group of corner post supporting rack respectively, and the corner post supporting rack includes along flat
Three second H profile steels of platen width direction distribution, the length direction of second H profile steel is consistent with the length direction of landing slab,
And second H profile steel is detachably connected with landing slab；It is equipped with the first female vertically on the top flange plate of the second H profile steel
Plate, plane where first concave template cross the center line of the top flange plate of the second H profile steel, and detachable with the second H profile steel
Connection；First concave template has a locating slot through side thereon, the preassembling of corner post can be made to connect by the locating slot
Side is located at vertical plane；Interior truss support frame is equipped between two groups of corner post supporting racks, the interior truss support frame includes at least
Three third H profile steels along the distribution of landing slab length direction, the length direction of the third H profile steel and the width direction one of landing slab
It causes, and is detachably connected with landing slab；
C, Core Walls Structure corner post is individually placed in the first concave template of two groups of corner post supporting racks, and two corner posts is made to be connected with truss
Side it is opposite；Wherein, the Core Walls Structure corner post is divided into upper prop and lower prop, adjusts the position of Core Walls Structure corner post, makes Core Walls Structure angle
Layout point on column coincides with the layout point on ground line-transect, then carries out temperature pier to the junction of upper prop and lower prop；So
The preassembling box bracket on two corner posts afterwards, and adjust to after being overlapped with the projection line on landing slab, then box bracket is interim
It is fixed；
D, truss plate in lower layer is lifted on truss support frame by driving a vehicle, wherein truss plate includes winding up in the lower layer
Beam lower plywood, lower-cord beam lower plywood and diagonal web member lower plywood；In hoisting process, lifting successively is winded up under beam lower plywood, lower-cord beam
Laminate and diagonal web member lower plywood, then adjust to the projection line on landing slab and overlap, then be fixed temporarily；
E, the position line that truss inner prop, truss inner beam and truss connecting plate are drawn on lower layer's truss plate, is then sequentially placed purlin
Frame inner prop, truss inner beam and truss connecting plate；Upper layer truss plate is lifted into truss inner prop, truss inner beam and purlin by driving a vehicle again
Above frame connecting plate, the upper layer truss plate includes wind up beam top plate, lower-cord beam top plate and diagonal web member top plate；It lifted
Cheng Zhong lifts wind up beam top plate, lower-cord beam top plate and diagonal web member top plate successively, after then adjusting position to qualification, then
It is fixed temporarily；
F, the gap between each parts of detection, levelness, complete preassembling；
G, according to using BIM technology divide component, carry out the welding of parts, make each component be respectively formed one it is independent whole
Body；
H, step A-H is repeated, until entire Core Walls Structure inner ring truss portion preassembling is completed；
4）Semi-girder truss portion preassembling is chosen outside Core Walls Structure：
A, by landing slab truss support frame and one of which corner post supporting rack remove, while wiping the ground sample on landing slab
Line, projection line and layout point；
B, it based on remaining one group of corner post supporting rack, is drawn on landing slab outside Core Walls Structure and chooses semi-girder partly line-transect, and
It indicates and chooses projection line and layout point of the semi-girder part on landing slab outside Core Walls Structure；
C, on landing slab, one group of exterior frame column supporting rack is arranged in the position of corresponding exterior frame column, and the exterior frame column supporting rack includes extremely
Few three the 4th H profile steels along the distribution of landing slab width direction, the length direction of the length direction and landing slab of the 4th H profile steel
Unanimously, and the 4th H profile steel is detachably connected with landing slab；The second female is equipped on the top flange plate of the 4th H profile steel
Plate, plane where second concave template cross the center line of the top flange plate of the 4th H profile steel, and detachable with the 4th H profile steel
Connection；Between corner post supporting rack and exterior frame column supporting rack, the position of corresponding wind up beam, lower-cord beam and diagonal web member is provided with outer choose
Semi-girder truss support frame；It includes at least two the 5th H being distributed along landing slab length direction to choose semi-girder truss support frame outside described
The length direction of shaped steel, the 5th H profile steel is consistent with the width direction of landing slab；
D, corner post and exterior frame column are put into corresponding concave template, and make to choose the one of semi-girder truss outside corner post and exterior frame column installation
Side is opposite, and then the preassembling box bracket on corner post and exterior frame column, then adjusts to the projection line on landing slab and overlap, then
Box bracket is fixed temporarily；
E, semi-girder truss plate will be chosen by driving outside lower layer and be lifted into outer choose on semi-girder supporting rack, wherein choose and stretch outside the lower layer
Arm truss plate includes wind up beam lower plywood, lower-cord beam lower plywood and oblique web grider lower plywood；In hoisting process, the beam that winds up is lifted successively
Lower plywood, lower-cord beam lower plywood and oblique web grider lower plywood, then adjust to the projection line on landing slab and overlap, then carry out interim
It is fixed；Then placement semi-girder connecting plate on semi-girder truss plate is chosen outside lower layer；Again semi-girder truss plate will be chosen by driving outside upper layer
It is lifted into above semi-girder connecting plate, it includes wind up beam top plate, lower-cord beam top plate and oblique that semi-girder truss plate is chosen outside the upper layer
Web grider top plate after then adjusting position to qualification, then is fixed temporarily；
F, the gap between each parts of detection, levelness, complete preassembling；
G, according to using BIM technology divide component, carry out the welding of parts, make each component be respectively formed one it is independent whole
Body；
H, step A-H is repeated, is completed until choosing semi-girder part preassembling outside all Core Walls Structures；
5）Outer shroud truss portion preassembling：
A, outer on landing slab is chosen into semi-girder supporting rack and corner post supporting rack is removed, while wiped the ground line-transect on landing slab, throwing
Hachure and layout point；
B, the position for adjusting exterior frame column supporting rack on landing slab is painted then based on the exterior frame column supporting rack on landing slab
Outer shroud truss portion processed ground line-transect, and indicate projection line and layout point of the outer shroud truss portion on landing slab；
C, on landing slab, one group of exterior frame column supporting rack is arranged in the position of corresponding another exterior frame column again；It is supported in two groups of exterior frame columns
Outer shroud truss element supporting rack is set between frame；The outer shroud truss element supporting rack includes at least two along landing slab length side
To the 6th H profile steel of distribution, the length direction of the 6th H profile steel is consistent with the width direction of landing slab, and removable with landing slab
Unload connection；
D, another exterior frame column is put into corresponding second concave template, and the side phase that two exterior frame columns are connected with ring truss
To then box bracket, is then fixed temporarily by the pre- bottled box bracket on corner post and exterior frame column；
E, lower layer's outer shroud truss element plate is lifted on outer shroud truss element supporting rack by driving a vehicle, wherein outside the lower layer
Ring truss element plate includes upper beam lower plywood, underbeam lower plywood and the oblique web grider lower plywood of X-shaped；In hoisting process, successively in lifting
Beam lower plywood, underbeam lower plywood and the oblique web grider lower plywood of X-shaped, then adjust to the projection line on landing slab and overlap, then carry out
It is fixed temporarily；Then connecting plate is placed on lower layer's outer shroud truss element plate；Again by driving a vehicle upper layer outer shroud truss element plate
It is lifted into above semi-girder connecting plate, the upper layer outer shroud truss element plate includes upper beam top plate, underbeam top plate and the oblique abdomen of X-shaped
Beam top plate after then adjusting position to qualification, then is fixed temporarily；
F, the gap between each parts of detection, levelness, complete preassembling；
G, according to using BIM technology divide component, carry out the welding of parts, make each component be respectively formed one it is independent whole
Body；
H, step A-H is repeated, until all Core Walls Structure outer shroud truss portion preassemblings are completed.
2. a kind of high-rise building enhancement layer steel structure truss pre-assembly method according to claim 1, it is characterised in that：
During choosing semi-girder truss portion and outer shroud truss portion preassembling outside Core Walls Structure inner ring truss portion, Core Walls Structure, A-H is repeated
When step, it is both needed to the placement status according to corner post and/or exterior frame column, replaces corresponding concave template, to ensure corner post and/or outer
Frame column and interior truss outer choose semi-girder truss or ring truss is located at same level.
3. a kind of high-rise building enhancement layer steel structure truss pre-assembly method according to claim 1, it is characterised in that：
In the placement process of corner post and exterior frame column, according to layout point, tested to the position of steel column using level meter and sash weight.
4. a kind of high-rise building enhancement layer steel structure truss pre-assembly method according to claim 1, it is characterised in that：
It detects gap between each parts, during levelness, be detected by steel tape, level meter.
5. a kind of high-rise building enhancement layer steel structure truss pre-assembly method according to claim 1, it is characterised in that：
In detection process, the mismatch between each parts closes requirement, is indicated and is recorded, and forms preassembling and joins in situ
Number check table.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653517A (en) * | 2019-01-31 | 2019-04-19 | 济南四建（集团）有限责任公司 | A kind of multidirectional Load Relief System and the construction method with the system assembly steel vestibule |
| CN110424746A (en) * | 2019-08-21 | 2019-11-08 | 中冶建工集团有限公司 | The installation method of roofing truss and riding track in a kind of venue |
| CN111648606A (en) * | 2020-06-10 | 2020-09-11 | 深圳市市政工程总公司 | Construction method for high-altitude cantilever splicing of steel structure |
| CN111927111A (en) * | 2020-09-22 | 2020-11-13 | 上海建工集团股份有限公司 | Construction method of ultrahigh special-shaped outer frame steel structure |
| CN115045560A (en) * | 2022-06-23 | 2022-09-13 | 中建钢构工程有限公司 | Pre-assembly method of special-shaped high-rise steel structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100251660A1 (en) * | 2007-11-05 | 2010-10-07 | Mccann David | accuspacer-prefabricated multi structural timber alignment fixture |
| CN106639147A (en) * | 2016-12-23 | 2017-05-10 | 中建八局第二建设有限公司 | Construction method of super high-rise building reinforced layer steel structure outrigger truss |
| CN106760839A (en) * | 2016-11-23 | 2017-05-31 | 同济大学建筑设计研究院(集团)有限公司 | A kind of superelevation steel megastructure vibration damping integrated system |
| CN107386461A (en) * | 2017-08-25 | 2017-11-24 | 中冶建工集团有限公司 | The multidirectional handing-over box node weld mould bases of steel truss and node population method |
| CN107795130A (en) * | 2017-11-08 | 2018-03-13 | 中建钢构有限公司 | The large-scale truss pre-assembly method of steel construction and moulding bed |
-
2018
- 2018-07-18 CN CN201810792200.3A patent/CN108678398B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100251660A1 (en) * | 2007-11-05 | 2010-10-07 | Mccann David | accuspacer-prefabricated multi structural timber alignment fixture |
| CN106760839A (en) * | 2016-11-23 | 2017-05-31 | 同济大学建筑设计研究院(集团)有限公司 | A kind of superelevation steel megastructure vibration damping integrated system |
| CN106639147A (en) * | 2016-12-23 | 2017-05-10 | 中建八局第二建设有限公司 | Construction method of super high-rise building reinforced layer steel structure outrigger truss |
| CN107386461A (en) * | 2017-08-25 | 2017-11-24 | 中冶建工集团有限公司 | The multidirectional handing-over box node weld mould bases of steel truss and node population method |
| CN107795130A (en) * | 2017-11-08 | 2018-03-13 | 中建钢构有限公司 | The large-scale truss pre-assembly method of steel construction and moulding bed |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653517A (en) * | 2019-01-31 | 2019-04-19 | 济南四建（集团）有限责任公司 | A kind of multidirectional Load Relief System and the construction method with the system assembly steel vestibule |
| CN109653517B (en) * | 2019-01-31 | 2024-02-20 | 济南四建（集团）有限责任公司 | Multidirectional unloading system and construction method for assembling steel corridor by using same |
| CN110424746A (en) * | 2019-08-21 | 2019-11-08 | 中冶建工集团有限公司 | The installation method of roofing truss and riding track in a kind of venue |
| CN110424746B (en) * | 2019-08-21 | 2021-02-26 | 中冶建工集团有限公司 | Method for installing roof truss and pavement in venue |
| CN111648606A (en) * | 2020-06-10 | 2020-09-11 | 深圳市市政工程总公司 | Construction method for high-altitude cantilever splicing of steel structure |
| CN111927111A (en) * | 2020-09-22 | 2020-11-13 | 上海建工集团股份有限公司 | Construction method of ultrahigh special-shaped outer frame steel structure |
| CN111927111B (en) * | 2020-09-22 | 2020-12-25 | 上海建工集团股份有限公司 | Construction method of ultrahigh special-shaped outer frame steel structure |
| CN115045560A (en) * | 2022-06-23 | 2022-09-13 | 中建钢构工程有限公司 | Pre-assembly method of special-shaped high-rise steel structure |
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