CN107419806A - A kind of grid solid beam-string structure system across X-type greatly and its construction method - Google Patents
A kind of grid solid beam-string structure system across X-type greatly and its construction method Download PDFInfo
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- CN107419806A CN107419806A CN201710839182.5A CN201710839182A CN107419806A CN 107419806 A CN107419806 A CN 107419806A CN 201710839182 A CN201710839182 A CN 201710839182A CN 107419806 A CN107419806 A CN 107419806A
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- girder steel
- horizontal
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- main crossings
- montant
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/026—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of prefabricated modules, e.g. box-like or cell-like units
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/14—Suspended roofs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention discloses a kind of grid solid beam-string structure system across X-type greatly and its construction method；The middle part of the structure shares horizontal girder steel as two, and positioned at upper end, arranged for interval, main crossings of winding up girder steel, which down tilts, is arranged symmetrically in the shared horizontal girder steel both sides in middle part；Middle part shares the main crossings girder steel that winds up of horizontal girder steel side as more, in same inclined plane, wherein two intersect end points of the upper end for the main crossings girder steel that winds up respectively with the shared horizontal girder steel in a middle part in X-shaped shape and are connected, and lower end is connected with one in two bearings respectively；The end points that two middle parts share horizontal girder steel side is connected by the horizontal binder that winds up.The present invention has broken truss string structure and winded up the traditional method of continuous, the single truss structure independence of truss, entirety is linked as by all structures of common beam in the middle part of each two " X " units shared, solve the truss that winds up and be unable to the big across design challenges of consecutive hours, reached the effect that overall structure is slim and graceful, inner space is attractive in appearance.
Description
Technical field
The present invention relates to a kind of system across beam-string structure greatly and its construction method, particularly a kind of grid across X-type greatly is three-dimensional
Beam-string structure system and its construction method.
Background technology
With the continuous development of large-span structure, truss string structure is with its excellent stress performance increasingly by the green grass or young crops of designer
To look at, single way cable, two-way rope and multidirectional rope truss string structure have obtained faster development, but when architect proposes overall weight
Light and top truss can not continuously demand (such as in the roof light of roof setting one fixed width) when, traditional truss string structure is difficult to
Realize this design idea, therefore, it is necessary to a kind of new structural system is realized.
The content of the invention
It is an object of the invention to provide a kind of grid solid beam-string structure system across X-type greatly and its construction method, to solve
Top boom across truss string structure greatly can not continuously and the light technical barrier of overall weight.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of grid solid beam-string structure system across X-type greatly, including the main crossings girder steel that winds up, middle part share horizontal girder steel,
Bottom drag-line, bearing, lower edge brace, diagonal web member, middle part montant, the horizontal binder that winds up, lower edge inter-tie and Cantilever Beams；In
Portion shares horizontal girder steel and is located at upper end, and middle part shares horizontal girder steel as two, and arranged for interval, main crossings of winding up girder steel down tilts
It is arranged symmetrically in middle part and shares horizontal girder steel both sides；The main crossings girder steel that winds up that middle part shares horizontal girder steel side is more, position
In in same inclined plane, wherein two in X-shaped shape intersect the upper end of the main crossings girder steel that winds up respectively with a middle part
The end points connection of horizontal girder steel is shared, lower end is connected with one in two bearings respectively, and two middle parts share horizontal girder steel
What side end points also extended outward with one respectively winded up, and main crossings girder steel is connected, what two bearings extended outward with one respectively
Main crossings of winding up girder steel connects, two main crossings girder steels that wind up extended outward of the horizontal girder steel end points in connection the same side and bearing
Connection；What two of both sides extended outward wind up main crossings girder steel tie point and two intersect main crossings of winding up in X-shaped shape
The tie point of girder steel is on the same line, down perpendicular to middle part is respectively equipped with the horizontal plane where bearing from three tie points
Bar, the lower extreme point of three middle part montants are connected by lower edge inter-tie；The lower extreme point of each middle part montant by diagonal web member with
The end points connection of horizontal girder steel, the lower extreme point of each middle part montant are connected by lower edge brace with bearing；Erect at middle middle part
The lower extreme point of bar is connected with two bearings and two horizontal girder steel end points respectively；Middle part montant lower end and lower edge brace, oblique abdomen
Bar and lower edge inter-tie are met at a bit；
The end points that two middle parts share horizontal girder steel side is connected by the horizontal binder that winds up；Middle part shares horizontal girder steel two
Connected respectively by the bottom drag-line be arrangeding in parallel between the middle part montant lower extreme point of side；
Horizontal girder steel upper end is shared at middle part and is provided with skylight, skylight shares horizontal girder steel with middle part and the horizontal binder that winds up connects
Connect.
Further to realize the object of the invention, it is preferable that the middle part is shared between two bearings of horizontal girder steel side
It is identical to share the spacing between horizontal two end points in girder steel side away from middle part.
Preferably, the middle part shares that horizontal girder steel and bottom drag-line be vertical and non-coplanar, the relative relief 8m-12m of level.
Preferably, the bearing uses fixed-hinged support or side as fixed-hinged support, and opposite side slides branch to be unidirectional
Seat.
Preferably, wind up main crossings girder steel tie point and two extended outward at two are intersected in X-shaped shape to wind up
Be provided with montant separately down in the middle part of what the tie point of main crossings girder steel was connected with two bearings wind up main crossings girder steel, montant connects
Lower edge brace；Intersect main friendship of winding up in X-shaped shape in two derivative outward wind up main crossings girder steel tie point and two
Pitch the tie point of girder steel and two share in the middle part of the main crossings girder steel that winds up that horizontal girder steel end points is connected to montant is had, connect
Lower edge brace；Montant is connected with the upper extreme point of middle part montant by the horizontal binder that winds up.
Preferably, Cantilever Beams overhang from four bearings to be past, encorbelmented along the plane where the main crossings girder steel that winds up respectively
Beam is connected with the main crossings girder steel that winds up.
The construction method of described big across X-type grid solid beam-string structure system：Using high-altitude scattered spelling, four rails without rope
Accumulative sliding technique, wherein four rails include the track at side supports without four sliding rails of rope accumulative sliding technique and winded up
Main crossings girder steel shares two tracks at horizontal girder steel crossed node with middle part.
Preferably, four rail comprises the following steps without rope accumulative sliding technique：
1) after the following building structure construction of bearing is completed, and related temporary support structure and slide rail are respectively mounted and finished
Afterwards；The main crossings that will wind up girder steel, middle part share horizontal girder steel, lower edge brace, diagonal web member, middle part montant, the horizontal binder that winds up,
Lower edge inter-tie is in one stable unit of the assembled completion of build-up area；After first stable unit installation, a unit is slid forward
Distance, then lift second stable unit again, and so on, to whole stably unit installation；Skylight is installed and hanged
Outrigger, form integrated steel-structure；
2) unloaded after integrated steel-structure lifting and sliding, integrated steel-structure is fallen within into bearing and middle interim branch
On support structure；
3) bearing of fixed wherein side, starts tensioning bottom drag-line, and tension sequence is taken from both ends to middle tensioning, again
Tensioning from the middle to both ends, it is classified and is carried out according to design requirement, is classified according to determination is calculated, controls all Suo Li to meet design
Value；
4) temporary support structure is removed, carries out roof construction.
Relative to prior art, the invention has the characteristics that and beneficial effect：
1) present invention has broken truss string structure and winded up the traditional method of continuous, the single truss structure independence of truss, passes through each two
Common beam causes all structures to be linked as entirety in the middle part of " X " units shared, so as to solve the truss that winds up be unable to consecutive hours it is big across
Design challenges, and reached the effect that overall structure is slim and graceful, inner space is attractive in appearance.
2) in work progress of the present invention abundant integrated structure loading characteristic, using four rails without rope accumulative sliding technique solve
Lifting space problem, and by the symmetrical opposite and opposite tension sequence of multiple fractionation, efficiently solve Suo Li and steel construction
Final morphology Control problem, can be widely applied to structural steelwork across double-slope roof greatly.
3) large-span structure system of the present invention has the advantages that overall slim and graceful, good integrity, structure are attractive in appearance, also solves simultaneously
Truss string structure winds up discontinuous problem.
4) construction method technique of the present invention is more ripe, and processing quality is easy to control；It the composite can be widely applied to greatly across double
In pitched roof structural steelwork.
Brief description of the drawings
Fig. 1 is the structural representation of present invention grid solid beam-string structure system across X-type greatly.
Fig. 2 is Fig. 1 overall elevation.
Fig. 3 is grid solid beam-string structure system application overall schematic across X-type greatly.
Fig. 4 is the lifting schematic diagram of present invention grid solid beam-string structure system across X-type greatly.
Shown in figure：Main crossings of winding up girder steel 1, middle part share horizontal girder steel 2, bottom drag-line 3, bearing 4, lower edge brace
5th, diagonal web member 6, middle part montant 7, wind up horizontal binder 8, lower edge inter-tie 9, skylight 10, Cantilever Beams 11, integral roof structure
12nd, slide rail 13, temporary support structure 14.
Embodiment
To more fully understand the present invention, the present invention is described further below in conjunction with the accompanying drawings, but the implementation of the present invention
Mode is unlimited so.
Such as Fig. 1 and Fig. 2, a kind of grid solid beam-string structure system across X-type greatly, including the main crossings girder steel 1 that winds up, middle part are common
With horizontal girder steel 2, bottom drag-line 3, bearing 4, lower edge brace 5, diagonal web member 6, middle part montant 7, wind up horizontal binder 8, lower edge
Inter-tie 9 and Cantilever Beams 11；Middle part shares horizontal girder steel 2 and is located at upper end, and middle part shares horizontal girder steel 2 as two, is spaced cloth
Put, main crossings of winding up girder steel 1, which down tilts, is arranged symmetrically in the shared horizontal both sides of girder steel 2 in middle part；Middle part shares horizontal girder steel 2 one
The main crossings girder steel 1 that winds up of side is more, in same inclined plane, wherein two intersect the master that winds up in X-shaped shape
Intersect girder steel 1 upper end respectively with one middle part share horizontal girder steel 2 end points be connected, lower end respectively with two bearings 4
One connection, two middle parts share the main crossings girder steel 1 that winds up that the side end points of horizontal girder steel 2 also extends outward with one respectively
Connection, what two bearings 4 also extended outward with one respectively winded up, and main crossings girder steel 1 is connected, and connects the horizontal end of girder steel 2 in the same side
Two main crossings girder steels 1 that wind up extended outward of point and bearing 4 connect；What two of both sides extended outward wind up main crossings steel
The tie point of beam 1 and two tie points for intersecting the main crossings girder steel 1 that winds up in X-shaped shape on the same line, connect from three
For point down to middle part montant 7 is respectively equipped with the horizontal plane where bearing 4, the lower extreme point of three middle part montants 7 passes through lower edge water
Flat tie-rod 9 connects；The lower extreme point of each middle part montant 7 is connected by diagonal web member 6 with the end points of horizontal girder steel 2, and each middle part is perpendicular
The lower extreme point of bar 7 is connected by lower edge brace 5 with bearing 4；The lower extreme point of middle middle part montant 7 respectively with two bearings 4
Connected with two horizontal end points of girder steel 2；The lower end of middle part montant 7 is met at lower edge brace 5, diagonal web member 6 and lower edge inter-tie 9
A bit.The wind up tie point of main crossings girder steel 1 and two extended outward at two intersect the main crossings girder steel that winds up in X-shaped shape
What 1 tie point was connected with two bearings 4 wind up, and the middle part of main crossings girder steel 1 is provided with montant separately down, and it is oblique that montant connects lower edge
Pull bar 5；Intersect the main crossings steel that winds up in X-shaped shape in two derivative outward the wind up tie point of main crossings girder steel 1 and two
The middle part of main crossings girder steel 1 of winding up that the tie point of beam 1 is connected with two shared horizontal end points of girder steel 2 connects to montant is had
Lower edge brace 5；The upper extreme point of montant and middle part montant 7 is connected by the horizontal binder 8 that winds up；Two middle parts share horizontal girder steel
The end points of 2 sides is connected by the horizontal binder 8 that winds up；Middle part is divided between sharing the lower extreme point of middle part montant 7 of the horizontal both sides of girder steel 2
Do not connected by the bottom drag-line 3 be arrangeding in parallel；Cantilever Beams 11 are along the plane where the main crossings girder steel 1 that winds up, respectively from four
Bearing 4 is, toward overhanging, Cantilever Beams 11 is connected with the main crossings girder steel 1 that winds up.
The horizontal upper end of girder steel 2 is shared at middle part and is provided with skylight 10, skylight 10 shares horizontal girder steel 2 and level of winding up with middle part
Binder 8 connects.
Middle part shares the spacing of two bearings 4 of the horizontal side of girder steel 2 and middle part shares horizontal girder steel 2 side two end points
Between spacing be identical.
Middle part shares that horizontal girder steel 2 and bottom drag-line 3 be vertical and non-coplanar, the relative relief 8m-12m of level.
Bearing 4 can use fixed-hinged support or side, and for fixed-hinged support, opposite side is single-directional sliding support.
The architectural position that middle part can be made full use of to share horizontal girder steel 2 sets roof light, good so as to reach
Room effect and perception.The Out-of Plane Stiffness of plane truss string structure is relatively weak, it is necessary to purlin and room outside leading surface in the past simultaneously
Panel provides Out-of Plane Stiffness and torsional rigidity, therefore globality is relatively weak.Present invention grid solid beam-string structure body across X-type greatly
System is grid solid truss string structure, winds up and is made up of X-shaped intersection girder steel, is connected, formed by connection tie-rod between intersection girder steel
Stable triangle unit；The lower edge of X-shaped grid solid truss string structure by V-arrangement lower edge brace 5 and lower edge inter-tie 9
Connection, it is similarly formed stable triangle unit；Therefore X-shaped grid solid truss string structure wind up be respectively provided with lower edge it is very good
Good Out-of Plane Stiffness and globality.
Simultaneously as the presence of bottom drag-line 3, X-shaped grid solid truss-string-structure has greatly played drag-line material
Good tensile property, make the steel using amount of whole roof system relatively low, achieve good economic benefit.
Fig. 3 is grid solid beam-string structure system application overall schematic across X-type greatly, it can be seen from figure 3 that multiple greatly across X-type
Grid solid beam-string structure system is arranged at intervals, and integral roof structure 12 is arranged on grid solid beam-string structure system across X-type greatly
On.
The construction method of grid solid beam-string structure system across X-type greatly is four rails without rope accumulative sliding technique：Four slidings
Track shares two at the horizontal crossed node of girder steel 2 including the track at side supports 4 and the main crossings girder steel 1 that winds up with middle part
Bar track, the method includes the steps of：
Step 1, after bearing building structure construction below 4 is completed, and related temporary support structure 14 and slide rail 13 are equal
After installing；The main crossings that will wind up girder steel 1, middle part share horizontal girder steel 2, lower edge brace 5, diagonal web member 6, middle part montant 7,
Wind up horizontal binder 8, lower edge inter-tie 9, complete a stable unit build-up area is assembled；After first stable unit installation,
The distance of a unit is slid forward, then lifts second stable unit again, and so on, installed to whole stable unit
Into；Skylight 10 and Cantilever Beams 11 are installed, form integrated steel-structure；
Step 2, unloaded after integrated steel-structure lifting and sliding, integrated steel-structure is fallen within into bearing 4 and centre
On temporary support structure 14；
Step 3, the bearing 4 of fixed wherein side, start tensioning bottom drag-line 3, tension sequence is taken from both ends to centre
Tensioning, again tensioning from the middle to both ends, it is classified and is carried out according to design requirement, is classified according to determination is calculated, controls all Suo Lifu
Close design load；
Step 4, temporary support structure 14 is removed, carry out roof construction.
The present invention can preferably be implemented as described above.
The present invention has broken truss string structure and winded up the traditional method of continuous, the single truss structure independence of truss, passes through each two " X "
Common beam causes all structures to be linked as entirety in the middle part of units shared, and the big across design of consecutive hours is unable to so as to solve the truss that winds up
Problem, and reached the effect that overall structure is slim and graceful, inner space is attractive in appearance.
The loading characteristic of abundant integrated structure in work progress of the present invention, is solved using four rails without rope accumulative sliding technique
Space problem is lifted, and by the symmetrical opposite and opposite tension sequence of multiple fractionation, efficiently solves Suo Li and steel construction most
Whole morphology Control problem, it can be widely applied to structural steelwork across double-slope roof greatly.
Claims (8)
1. a kind of grid solid beam-string structure system across X-type greatly, it is characterised in that shared including the main crossings girder steel that winds up, middle part
Horizontal girder steel, bottom drag-line, bearing, lower edge brace, diagonal web member, middle part montant, the horizontal binder that winds up, lower edge inter-tie and
Cantilever Beams；Middle part shares horizontal girder steel and is located at upper end, and it is two that middle part, which shares horizontal girder steel, arranged for interval, main crossings of winding up steel
Beam, which down tilts, is arranged symmetrically in the shared horizontal girder steel both sides in middle part；Middle part shares the main crossings girder steel that winds up of horizontal girder steel side
For more, in same inclined plane, wherein two in X-shaped shape intersect wind up main crossings girder steel upper end respectively with
A piece middle part shares the end points connection of horizontal girder steel, and lower end is connected with one in two bearings respectively, and two middle parts share water
What the side end points of flat girder steel also extended outward with one respectively winded up, and main crossings girder steel is connected, and two bearings are past with one respectively
Two masters that wind up extended outward of the wind up connection of main crossings girder steel, the horizontal girder steel end points in connection the same side and bearing of outer extension
Intersect girder steel connection；What two of both sides extended outward wind up main crossings girder steel tie point and two are intersected in X-shaped shape
The tie point of string main crossings girder steel on the same line, from three tie points down to being respectively equipped with the horizontal plane where bearing
Middle part montant, the lower extreme point of three middle part montants are connected by lower edge inter-tie；The lower extreme point of each middle part montant passes through oblique
Web member is connected with the end points of horizontal girder steel, and the lower extreme point of each middle part montant is connected by lower edge brace with bearing；Middle
The lower extreme point of middle part montant is connected with two bearings and two horizontal girder steel end points respectively；Middle part montant lower end and lower edge oblique pull
Bar, diagonal web member and lower edge inter-tie are met at a bit；
The end points that two middle parts share horizontal girder steel side is connected by the horizontal binder that winds up；Middle part shares horizontal girder steel both sides
Connected respectively by the bottom drag-line be arrangeding in parallel between the montant lower extreme point of middle part；
Horizontal girder steel upper end is shared at middle part and is provided with skylight, skylight shares horizontal girder steel with middle part and the horizontal binder that winds up is connected.
2. grid solid beam-string structure system across X-type greatly according to claim 1, it is characterised in that the middle part shares
The spacing that the spacing of two bearings of horizontal girder steel side and middle part are shared between horizontal two end points in girder steel side is identical.
3. grid solid beam-string structure system across X-type greatly according to claim 1, it is characterised in that the middle part shares
Horizontal girder steel and bottom drag-line be vertical and non-coplanar, the relative relief 8m-12m of level.
4. grid solid beam-string structure system across X-type greatly according to claim 1, it is characterised in that the bearing uses
Fixed-hinged support or side are fixed-hinged support, and opposite side is single-directional sliding support.
5. grid solid beam-string structure system across X-type greatly according to claim 1, it is characterised in that in two past extensions
Wind up main crossings girder steel tie point and two tie points and two bearings for intersecting the main crossings girder steel that winds up in X-shaped shape stretched
Montant, montant connection lower edge brace are provided with the middle part of the main crossings girder steel that winds up of connection separately down；It is derivative outward at two
Main crossings of winding up girder steel tie point and two tie points and two shared levels for intersecting the main crossings girder steel that winds up in X-shaped shape
To montant is had in the middle part of the main crossings girder steel that winds up of girder steel end points connection, lower edge brace is connected；Montant and middle part montant
Upper extreme point is connected by the horizontal binder that winds up.
6. grid solid beam-string structure system across X-type greatly according to claim 1, it is characterised in that wind up on Cantilever Beams edge
Plane where main crossings girder steel, respectively from four bearings for toward overhanging, Cantilever Beams are connected with the main crossings girder steel that winds up.
7. the construction method of big across the X-type grid solid beam-string structure system described in claim any one of 1-6, its feature exist
In using high-altitude scattered spelling, four rails without rope accumulative sliding technique, wherein four sliding rails of four rails without rope accumulative sliding technique
Two tracks at horizontal girder steel crossed node are shared including the track at side supports and wind up main crossings girder steel and middle part.
8. the construction method of grid solid beam-string structure system across X-type greatly according to claim 7, it is characterised in that described
Four rails comprise the following steps without rope accumulative sliding technique：
1) after the following building structure construction of bearing is completed, and after related temporary support structure and slide rail are respectively mounted；Will
Main crossings of winding up girder steel, middle part share horizontal girder steel, lower edge brace, diagonal web member, middle part montant, wind up horizontal binder, lower edge
Inter-tie is in one stable unit of the assembled completion of build-up area；After first stable unit installation, slide forward unit away from
From, second stable unit is then lifted again, and so on, to whole stable unit installation；Skylight and Cantilever Beams are installed,
Form integrated steel-structure；
2) unloaded after integrated steel-structure lifting and sliding, integrated steel-structure is fallen within into bearing and middle temporary support knot
On structure；
3) bearing of fixed wherein side, starts tensioning bottom drag-line, and tension sequence takes from both ends to middle tensioning, again therefrom
Between to both ends tensioning, be classified and carried out according to design requirement, be classified and determine according to calculating, control all Suo Li to meet design load；
4) temporary support structure is removed, carries out roof construction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710839182.5A CN107419806B (en) | 2017-09-18 | 2017-09-18 | Large-span X-shaped grid three-dimensional string structure system and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839182.5A CN107419806B (en) | 2017-09-18 | 2017-09-18 | Large-span X-shaped grid three-dimensional string structure system and construction method thereof |
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| CN107419806A true CN107419806A (en) | 2017-12-01 |
| CN107419806B CN107419806B (en) | 2023-05-26 |
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| WO2019237823A1 (en) * | 2018-06-11 | 2019-12-19 | 中建一局集团建设发展有限公司 | Wide-angle sloping roof steel structure and construction method therefor |
| CN116556570A (en) * | 2023-07-11 | 2023-08-08 | 北京建工四建工程建设有限公司 | Construction method of combined high-clearance large-span variable-section roof structure |
| CN116575582A (en) * | 2023-07-11 | 2023-08-11 | 北京建工四建工程建设有限公司 | High-clearance cantilever combined steel structure roof structure |
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| WO2019237823A1 (en) * | 2018-06-11 | 2019-12-19 | 中建一局集团建设发展有限公司 | Wide-angle sloping roof steel structure and construction method therefor |
| US11332929B2 (en) | 2018-06-11 | 2022-05-17 | China Construction First Division Group Construction & Development Co., Ltd. | Large-angle sloping roof steel structure and construction method thereof |
| CN116556570A (en) * | 2023-07-11 | 2023-08-08 | 北京建工四建工程建设有限公司 | Construction method of combined high-clearance large-span variable-section roof structure |
| CN116575582A (en) * | 2023-07-11 | 2023-08-11 | 北京建工四建工程建设有限公司 | High-clearance cantilever combined steel structure roof structure |
| CN116575582B (en) * | 2023-07-11 | 2023-09-22 | 北京建工四建工程建设有限公司 | High-clearance cantilever combined steel structure roof structure |
| CN116556570B (en) * | 2023-07-11 | 2023-09-22 | 北京建工四建工程建设有限公司 | Construction method of combined high-clearance large-span variable-section roof structure |
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| CN107419806B (en) | 2023-05-26 |
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