CN117266365A - Double-ring continuous arched girder type aluminum steel combined reticulated shell structure and construction method thereof - Google Patents
Double-ring continuous arched girder type aluminum steel combined reticulated shell structure and construction method thereof Download PDFInfo
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- CN117266365A CN117266365A CN202311480258.1A CN202311480258A CN117266365A CN 117266365 A CN117266365 A CN 117266365A CN 202311480258 A CN202311480258 A CN 202311480258A CN 117266365 A CN117266365 A CN 117266365A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 278
- 239000010959 steel Substances 0.000 title claims abstract description 278
- 238000010276 construction Methods 0.000 title claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 29
- 229910052782 aluminium Inorganic materials 0.000 title claims description 29
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000004411 aluminium Substances 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 12
- 230000003796 beauty Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
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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
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a double-ring continuous arched girder type aluminum-steel combined reticulated shell structure which comprises an outer steel ring girder, an inner ring girder supporting rod, an annular aluminum structure, a steel arched girder and a crescent aluminum structure, wherein the outer steel ring girder is arranged on the steel structure, the inner ring girder supporting rod is fixed on the steel structure, the inner steel ring girder is fixedly connected on the inner ring girder supporting rod, the annular aluminum structure is arranged between the outer steel ring girder and the inner steel ring girder, two ends of the steel arched girder are respectively welded with the inner side surface of the outer steel ring girder and the top end of the steel arched girder is welded with the top end of the inner steel ring girder, and the crescent aluminum structure is arranged between the steel arched girder and the inner steel ring girder. An annular aluminum structure is arranged between the outer steel ring beam and the inner steel ring beam, two steel arched beams are symmetrically arranged on the outer steel ring beam and the inner steel ring beam, a crescent aluminum structure is arranged between the inner steel ring beam and the steel arched beams, the visual effect is enough on the multi-system special-shaped space structure, the integral inflection point angle is small, the continuity is good, and the construction cost and the construction difficulty are reduced due to the stability of the structure.
Description
Technical Field
The invention belongs to the field of underground building construction, and particularly relates to a double-ring continuous arched girder type aluminum steel combined reticulated shell structure and a construction method thereof.
Background
The net shell is a space bar system structure similar to a flat net frame, is based on bars, forms a grid according to a certain rule, and is a space frame arranged according to a shell structure, and has the properties of a bar system and a shell.
The net shell structure is a typical space structure, the reasonable curved surface can enable structural force to flow uniformly, the structure has larger rigidity, small structural deformation and high stability, materials are saved, and the net shell structure has beautiful building shape, and can provide sufficient creation freedom for designers no matter building plane, appearance and shape. The thin shell structure and the grid structure can not be realized, and the grid shell structure can be almost realized. The device can be used for representing static beauty and dynamic beauty through plane and vertical cutting and the change of grids, supports and rods.
For stadium, the middle is usually an open-air field, so the middle of the roof is a large-hole curved surface, the multi-system special-shaped space structure needs to have enough visual effect in modeling, and the net shell structure is ensured to have better continuity, so that the special-shaped space structure needs to be designed in a targeted manner.
Disclosure of Invention
The invention provides a double-ring continuous arched girder type aluminum steel combined reticulated shell structure and a construction method thereof, which are used for solving the technical problems mentioned in the background art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a double circle even arched girder aluminum steel combination reticulated shell structure, including outer steel ring beam, interior ring beam vaulting pole, annular aluminum structure, steel arched beam and crescent aluminium structure, outer steel ring beam and interior steel ring Liang Tongxin set up, outer steel ring beam fixed mounting is on steel structure, interior ring beam vaulting pole passes through round pin axle and knuckle bearing node to be fixed on steel structure, interior steel ring beam fixed connection is on interior ring beam vaulting pole, annular aluminum structure installs between outer steel ring beam and interior steel ring beam, the steel arched beam is opening decurrent arc, steel arched beam parallel arrangement has two and the central symmetry setting in the centre of a circle position of interior steel ring beam, the both ends of steel arched beam respectively with the medial surface welded connection of outer steel ring beam and the top welded connection of interior steel ring beam, crescent aluminium structure sets up between steel arched beam and interior steel ring beam, outer steel ring beam, interior steel ring beam and steel arched beam are the girder steel beam of circle, interior steel ring beam fixed connection is on steel ring beam length direction vertical plane, interior steel arched beam and outer steel ring beam and outer steel arched beam are opening decurrent, the steel ring beam vertical plane is in the arc outside the steel arched beam, the arc all is outside the arc, the outside the steel ring beam is outside the arc.
Through adopting above-mentioned technical scheme, this structural design has the creation of the structural style of double-ring even arched girder, lay annular aluminum structure between outer steel ring roof beam and the interior steel ring roof beam, two steel arched girders are set up to the symmetry on outer steel ring roof beam and the interior steel ring roof beam, lay crescent aluminum structure between interior steel ring roof beam and the steel arched girder, wholly form outside annular inboard double-arc structural style, both improved visual effect and reduced cost and construction degree of difficulty, and interior steel ring roof beam, outer steel ring roof beam and interior steel ring roof beam three interconnect form stable structure body and support the installation to the aluminum structure, the stability of whole guipure can be greatly improved, and this structure all adopts curved form on the basis of the structural style of double-ring even arched girder, thereby realize annular aluminum structure and crescent aluminum structure's succession after the steel arched girder welding for curve, not only have sufficient visual effect on the special-shaped space structure of multiple systems, and holistic inflection point angle is little, the continuity is good, and the stability of structure has reduced the degree of difficulty and construction again, and the stability of inner steel ring roof beam, the steel ring roof beam and outer steel ring roof beam and the mutual stability of ring roof beam, the stability of girder form the construction of the whole netlike, the stability of the connection to the steel ring roof beam, the bridge of the whole netlike, the major construction field has been improved, the stability of the whole netlike structure is formed and is connected to the steel ring and has the structural stability of the whole netlike.
Preferably, the annular aluminum structure is a latticed shell structure of X-shaped intersected prismatic holes, and the crescent aluminum structure is a latticed shell structure of rice-shaped intersected triangular holes.
By adopting the technical scheme, the structural form of the aluminum structure has good stability, reasonable stress and good visual effect.
Preferably, the node of annular aluminum structure and crescent aluminum structure includes aluminium member and node dish, and the aluminium member is H type structure, and the node dish has two and sets up respectively in the top and the bottom of aluminium member, and the aluminium member passes through stainless steel rivet to be fixed on the node dish.
Through adopting above-mentioned technical scheme, aluminium structure concatenation is connected, and construction is convenient, and the transportation turnover is convenient.
Preferably, the outer steel ring beam, the inner steel ring beam and the steel arched beam are respectively welded with H-shaped steel corbels, and the annular aluminum structure and the crescent aluminum structure are respectively connected with the steel corbels.
Through adopting above-mentioned technical scheme, aluminium structure and steel bracket are connected through the node dish equally, and the one end of steel bracket adopts high strength bolt, and stainless steel rivet is adopted to the one end of aluminium structure, and aluminium structure and girder steel joint strength are high and construction convenience.
A construction method of a double-ring continuous arched girder type aluminum steel combined latticed shell structure, which comprises the following steps of,
step one, building a construction simulation analysis model by utilizing finite element analysis software, analyzing the stress of the whole structure and determining the specification of a part meeting the structural strength;
installing an outer steel ring beam on the steel structure, hoisting an outer steel ring Liang Fenduan, splicing at high altitude, and connecting the outer steel ring beam with an inner steel ring beam or an outer steel ring beam through steel corbels;
step three, arranging temporary supporting measures of an inner steel ring beam on the steel structure, adopting a door type support to divide a working surface into four sector areas, and constructing temporary supporting measures of an outer steel ring beam and an inner steel ring beam of each area in turn according to anticlockwise direction;
installing an inner steel ring beam, hoisting an inner steel ring Liang Fenduan, assembling at high altitude, constructing temporary supporting measures of the inner steel ring beam and the steel arched beam of each area in turn according to anticlockwise direction, adopting the temporary supporting measures of the steel arched beam, adopting single-point supporting, and installing the inner steel ring beam of the last area in two sections;
installing an annular aluminum structure, dividing units, assembling and hoisting the unit ground, assembling at high altitude, and connecting with an inner steel annular beam or a steel arched beam through steel corbels;
hoisting the steel arched beams, hoisting in sections and splicing at high altitude;
step eight, installing a crescent aluminum structure, dividing units, assembling the unit ground, hoisting, and then assembling at high altitude;
step nine, installing an inner ring beam stay bar, wherein the top end and the bottom end of the inner ring beam stay bar are respectively connected to an inner steel ring beam and a steel structure through a pin shaft and a joint bearing;
and step ten, removing temporary supporting measures of the inner steel ring beam and the steel arched beam.
The beneficial effects of the invention are as follows: the structure design creates the structural form of the double-ring continuous arched girder, an annular aluminum structure is arranged between the outer steel annular girder and the inner steel annular girder, two steel arched girders are symmetrically arranged on the outer steel annular girder and the inner steel annular girder, a crescent aluminum structure is arranged between the inner steel annular girder and the steel arched girder, the whole structure form of an outer annular inner double-arc is formed, the visual effect is improved, the manufacturing cost and the construction difficulty are reduced, the inner steel annular girder, the outer steel annular girder and the inner steel annular girder are mutually connected to form a stable structural body for supporting and installing the aluminum structure, the stability of the integral net shell is greatly improved, and the structure is formed on the basis of the structural form of the double-ring continuous arched girder, the positions of the two steel arched girders are ingeniously arranged, so that the continuous steel girder of the annular aluminum structure and the crescent aluminum structure is realized after the steel arched girders which are the curves are welded, the whole structure has enough visual effect on a multi-system special-shaped space structure, the whole inflection point angle is small, the continuity is good, the stability of the structure is reduced, the construction difficulty is improved, the inner steel annular girder and the inner steel annular girder are mutually connected to form the stable structural body, the stability of the integral net shell is improved, and the construction is improved, and the structural stability of the integral net shell is greatly improved, and the structural stability of the structural structure is formed and the structural form the whole structure is connected with the circular net ring and the structural form.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary object and other advantages of the invention may be realized and attained by means of the instrumentalities and particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a steel structure of an embodiment of the present invention;
FIG. 3 is a view from above of a longitudinal vertical plane of a steel arched girder according to an embodiment of the present invention;
FIG. 4 is a view from the vertical plane of the lengthwise vertical plane of a steel arched beam according to an embodiment of the present invention;
FIG. 5 is a node diagram of an aluminum structure of an embodiment of the invention;
fig. 6 is a graph of a connection node of a steel structure and an aluminum structure of an embodiment of the present invention.
Reference numerals: 1. an outer steel ring beam; 2. an inner steel ring beam; 3. an inner ring beam stay; 4. an annular aluminum structure; 5. steel arched beams; 6. crescent aluminum structure; 7. an aluminum rod piece; 8. a node plate; 9. steel corbels.
Detailed Description
The following examples are given by way of illustration only and are not to be construed as limiting the scope of the invention.
Referring to fig. 1-6, a double-ring continuous arched girder type aluminum steel combined net shell structure comprises an outer steel ring girder 1, an inner steel ring girder 2, an inner ring girder brace rod 3, an annular aluminum structure 4, a steel arched girder 5 and a crescent aluminum structure 6, wherein the outer steel ring girder 1 and the inner steel ring girder 2 are concentrically arranged, the outer steel ring girder 1 is fixedly arranged on the steel structure, the inner ring girder brace rod 3 is fixedly arranged on the steel structure through a pin shaft and a joint bearing, the inner steel ring girder 2 is fixedly connected on the inner ring girder brace rod 3, the annular aluminum structure 4 is arranged between the outer steel ring girder 1 and the inner steel ring girder 2, the steel arched girder 5 is in an arch shape with a downward opening, two steel arched girders 5 are arranged in parallel and are symmetrically arranged in the center of the inner steel ring girder 2, two ends of the steel arched girder 5 are respectively welded with the inner side surfaces of the outer steel ring girder 1 and the steel arched girder 5 are welded with the top ends of the inner steel ring girder 2, and the crescent aluminum structure 6 is arranged between the steel arched girder 5 and the inner ring girder 2.
The structure designs the creation of the structural form of the double-ring continuous arched girder, an annular aluminum structure is arranged between an outer steel ring girder and an inner steel ring girder, two steel arched girders are symmetrically arranged on the outer steel ring girder and the inner steel ring girder, a crescent aluminum structure is arranged between the inner steel ring girder and the steel arched girders, the whole structure forms the structural form of an outer annular inner double-arc shape, the visual effect is improved, the manufacturing cost and the construction difficulty are reduced, the inner steel ring girder, the outer steel ring girder and the inner steel ring girder are mutually connected to form a stable structural body for supporting and installing the aluminum structure, the stability of the whole net shell is greatly improved, and the structure adopts the curve form on the basis of the structural form of the double-ring continuous arched girder, the position of two steel arched girders has been arranged ingenious to realize annular aluminum structure and crescent aluminum structure's succession after the steel arched girders welding with being the curve, not only have sufficient visual effect on many system dysmorphism spatial structure, and holistic inflection point angle is little, the continuity is good, and the stability of structure has reduced the cost and the construction degree of difficulty again, and interior steel ring girder, outer steel ring girder all adopt circular shape girder, and interior steel ring girder three interconnect forms stable structure body and supports the installation to the aluminum structure, the stability of whole guipure can be great improvement, pioneer that the double-ring even arched girder guipure structure has been developed, it has important meaning in the construction field.
On the vertical surface of the steel arched girder 5 in the length direction, the inner steel ring girder 2 and the outer steel ring girder 1 are arc-shaped with downward openings, the inner steel ring girder 2 is higher than the outer steel ring girder 1, the stability of the whole structure is better, and the structure body is formed by matching and combining, so that the steel arched girder has a good visual effect.
On the perpendicular of the length direction vertical face of the steel arched girder 5, the inner steel ring girder 2 and the outer steel ring girder 1 are arc-shaped with upward openings, the inner steel ring girder 2 is higher than the outer steel ring girder 1, the stability of the whole structure is better, and the structure body is formed more firmly by matching and intersection, and has good visual effect.
The annular aluminum structure 4 is a reticulated shell structure of X-shaped intersected prismatic holes, the crescent aluminum structure 6 is a reticulated shell structure of rice-shaped intersected triangular holes, and the aluminum structure has the advantages of good structural form stability, reasonable stress and good visual effect.
The node of annular aluminum structure 4 and crescent aluminum structure 6 includes aluminium member 7 and node dish 8, and aluminium member 7 is H type structure, and node dish 8 have two and set up respectively in the top and the bottom of aluminium member 7, and aluminium member 7 passes through stainless steel rivet to be fixed on node dish 8. The aluminum structure is spliced and connected, so that the construction is convenient, and the transportation turnover is convenient.
The outer steel ring beam 1, the inner steel ring beam 2 and the steel arched beam are respectively welded with H-shaped steel corbels 9, and the annular aluminum structure 4 and the crescent aluminum structure 6 are respectively connected with the steel corbels 9. The aluminum structure is connected with the steel corbel 9 through the node disc 8, the node disc 8 is made of aluminum materials, one end of the steel corbel 9 is made of high-strength bolts, one end of the aluminum structure is made of stainless steel rivets, and the aluminum structure and steel beam are high in connection strength and convenient to construct.
A construction method of a double-ring continuous arched girder type aluminum steel combined latticed shell structure, which comprises the following steps of,
step one, building a construction simulation analysis model by utilizing finite element analysis software, analyzing the stress of the whole structure and determining the specification of a part meeting the structural strength;
step two, installing an outer steel ring beam 1 on the steel structure, hoisting the outer steel ring beam 1 in a segmented manner, and assembling at high altitude;
step three, arranging temporary supporting measures of the inner steel ring beam 2 on the steel structure, adopting door type supporting to divide a working surface into four sector areas, and constructing temporary supporting measures of the outer steel ring beam 1 and the inner steel ring beam 2 of each area in turn according to anticlockwise direction;
step four, installing the inner steel ring beams 2, hoisting the inner steel ring beams 2 in sections, splicing the inner steel ring beams at high altitude, constructing temporary supporting measures of the inner steel ring beams 2 and the steel arched beams 5 of each area in turn according to anticlockwise direction, adopting temporary supporting measures of the steel arched beams 5, adopting single-point supporting, and installing the inner steel ring beams 2 of the last area in two sections;
installing an annular aluminum structure 4, dividing units, assembling and hoisting the unit ground, assembling at high altitude, and connecting the unit ground with an inner steel ring beam or an outer steel ring beam through steel corbels;
step seven, hoisting the steel arched beams 5, hoisting in sections and splicing at high altitude;
step eight, installing a crescent aluminum structure 6, dividing units, assembling and hoisting the unit ground, assembling at high altitude, and connecting with an inner steel ring beam or a steel arched beam through steel corbels;
step nine, installing an inner ring beam stay bar 3, wherein the top end and the bottom end of the inner ring beam stay bar 3 are respectively connected to an inner steel ring beam 2 and a steel structure through a pin shaft and a joint bearing;
and step ten, removing temporary supporting measures of the inner steel ring beam 2 and the steel arched beam 5.
The foregoing is merely illustrative of preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any changes or substitutions that would occur to those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a double circle even arched girder formula aluminum steel combination reticulated shell structure which characterized in that: including outer steel ring beam (1), interior steel ring beam (2), interior ring beam vaulting pole (3), annular aluminum structure (4), steel arched girder (5) and crescent aluminium structure (6), outer steel ring beam (1) and interior steel ring beam (2) set up with one heart, outer steel ring beam (1) fixed mounting is on steel structure, interior ring beam vaulting pole (3) are fixed on steel structure through round pin axle and knuckle bearing node, interior steel ring beam (2) fixed connection is on interior ring beam vaulting pole (3), annular aluminum structure (4) are installed between outer steel ring beam (1) and interior steel ring beam (2), steel arched girder (5) are the arc that the opening is decurrent, steel arched girder (5) parallel arrangement has two and the centre of a circle position central symmetry of interior steel ring beam (2), the girder both ends of steel arched girder (5) respectively with the medial surface welded connection of outer steel ring beam (1) and the top welded connection of interior ring beam (2), annular aluminum structure (6) set up at outer steel ring beam (1) and interior ring beam (2), steel arched girder (2) are the equal length, steel arched girder (5) are in the equal circular arc between outer steel ring beam (1) and the interior ring beam (2), steel arched girder (2) are the equal to be the arc-shaped steel arched girder (1) and the top of the steel ring beam (2), on the vertical plane of the vertical surface of the length direction of the steel arched girder (5), the inner steel annular girder (2) and the outer steel annular girder (1) are arc-shaped with upward openings, and the inner steel annular girder (2) is higher than the outer steel annular girder (1).
2. The double-ring continuous arched girder type aluminum steel combined reticulated shell structure according to claim 1, wherein: the annular aluminum structure (4) is a latticed shell structure of X-shaped intersected prismatic holes, and the crescent aluminum structure (6) is a latticed shell structure of rice-shaped intersected triangular holes.
3. The double-ring continuous arched girder type aluminum steel combined reticulated shell structure according to claim 2, wherein: the node of annular aluminium structure (4) and crescent aluminium structure (6) includes node dish (8) of aluminium member (7) and aluminum alloy, and aluminium member (7) are H type structure, and node dish (8) have two and set up respectively in top and the bottom of aluminium member (7), and aluminium member (7) are fixed on node dish (8) through stainless steel rivet.
4. A double-ring continuous arched girder type aluminum steel composite reticulated shell structure according to claim 3, wherein: the steel corbels (9) of H type are welded on the outer steel ring beam (1), the inner steel ring beam (2) and the steel arched beam respectively, the annular aluminum structure (4) and the crescent aluminum structure (6) are connected with the steel corbels (9) through the node disc (8) respectively, and the steel corbels (9) are connected with the node disc (8) through full bolts.
5. The construction method of the double-ring continuous arched girder type aluminum steel combined reticulated shell structure according to any one of claims 1 to 4, wherein the construction method comprises the following steps: comprises the steps of,
step one, building a construction simulation analysis model by utilizing finite element analysis software, analyzing the stress of the whole structure and determining the specification of a part meeting the structural strength;
installing an outer steel ring beam (1) on the steel structure, hoisting the outer steel ring beam (1) in a segmented mode, splicing the outer steel ring beam at high altitude, and connecting the outer steel ring beam with an inner steel ring beam or an outer steel ring beam through steel corbels;
step three, arranging temporary supporting measures of an inner steel ring beam (2) on a steel structure, adopting a door type support to divide a working surface into four sector areas, and constructing temporary supporting measures of an outer steel ring beam (1) and an inner steel ring beam (2) of each area in turn according to anticlockwise direction;
step four, installing an inner steel ring beam (2), hoisting the inner steel ring beam (2) in a segmented manner, splicing at high altitude, constructing temporary supporting measures of the inner steel ring beam (2) and the steel arched beam (5) of each area in turn according to anticlockwise direction, adopting temporary supporting measures of the steel arched beam (5), adopting single-point supporting, and installing the inner steel ring beam (2) of the last area in two segments;
installing an annular aluminum structure (4), dividing units, assembling and hoisting the unit ground, assembling at high altitude, and connecting the unit ground with an inner steel ring beam or an outer steel ring beam through steel corbels;
hoisting the steel arched girder (5), hoisting in sections and splicing at high altitude;
step eight, installing a crescent aluminum structure (6), dividing units, assembling and hoisting the unit ground, assembling at high altitude, and connecting with an inner steel ring beam or a steel arched beam through steel corbels;
step nine, installing an inner ring beam stay bar (3), wherein the top end and the bottom end of the inner ring beam stay bar (3) are respectively connected to an inner steel ring beam (2) and a steel structure through a pin shaft and a joint bearing;
and step ten, removing temporary supporting measures of the inner steel ring beam (2) and the steel arched beam (5).
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| CN202311480258.1A CN117266365A (en) | 2023-11-08 | 2023-11-08 | Double-ring continuous arched girder type aluminum steel combined reticulated shell structure and construction method thereof |
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| CN113653334A (en) * | 2021-10-09 | 2021-11-16 | 中建八局第二建设有限公司 | Method for installing dome structure of single-layer metal reticulated shell |
| CN115613699A (en) * | 2022-12-14 | 2023-01-17 | 中铁建工集团有限公司 | Steel-aluminum combined single-layer curved surface latticed shell structure and construction method |
| CN116591308A (en) * | 2023-06-09 | 2023-08-15 | 上海通正铝结构建设科技有限公司 | Large-opening multi-stage forked cable bearing aluminum alloy reticulated shell structure system and construction method |
| CN116816103A (en) * | 2023-08-14 | 2023-09-29 | 中建八局第一建设有限公司 | External expansion type construction method for large-span aluminum alloy single-layer reticulated shell dome structure |
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