CN114525877A - Stadium combined roof based on large-cantilever inclined triangular truss and construction method - Google Patents
Stadium combined roof based on large-cantilever inclined triangular truss and construction method Download PDFInfo
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- CN114525877A CN114525877A CN202210338038.4A CN202210338038A CN114525877A CN 114525877 A CN114525877 A CN 114525877A CN 202210338038 A CN202210338038 A CN 202210338038A CN 114525877 A CN114525877 A CN 114525877A
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/105—Grid-like structures
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/14—Gymnasiums; Other sporting buildings
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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Abstract
The invention discloses a stadium combination roof based on a large-cantilever inclined triangular truss and a construction method, the stadium combination roof comprises a plurality of main trusses and a plurality of vertical surface trusses, an arch truss structure is arranged between two adjacent main trusses, and a wall frame is arranged between two adjacent vertical surface trusses; the main truss and the vertical face truss are triangular trusses, an upper chord of the main truss and a lower chord of the main truss are variable cross-section rods, and an inclined included angle alpha is formed between the upper chord and the lower chord; the arch frame structure comprises an arch frame and a plurality of purlines; the construction method comprises the following steps: firstly, hoisting a vertical face truss; hoisting the lower ring truss segment; thirdly, hoisting the main truss; fourthly, hoisting the upper ring truss segment; fifthly, assembling and hoisting the arch frame structure; and assembling and hoisting the six-wall frame. The invention solves the problems of difficult positioning and positioning of the large cantilever steel pipe truss and large deformation of hoisting of the steel pipe truss, and ensures the engineering quality and the construction efficiency.
Description
Technical Field
The invention belongs to the technical field of stadium building construction, and particularly relates to a stadium combined roof based on a large-cantilever inclined triangular truss and a construction method.
Background
The stadium usually comprises stadium, stadium and grandstand three, and stadium class building is the large-span, because the steel construction has light in weight, and the shock resistance is good, environmental protection, building style advantage such as nimble, consequently, the wide application is in stadium class building, and the stadium roof is the space truss structure for the majority. The roof around the grandstand in the stadium is a space steel pipe truss ceiling, the structure system of the space steel pipe truss steel awning is complex, and the steel structure is deepened, and is difficult to manufacture and install. The heaviest main truss of the steel awning with the spatial circular tube truss usually weighs dozens of hundreds of tons, the lifting capacity of a common tower crane is insufficient, and the lifting cannot be integrally carried out; generally, when the cantilever length of the steel pipe truss exceeds 20m, the steel pipe truss is called as a large cantilever steel pipe truss, during actual construction, the large cantilever steel pipe truss is difficult to place and position, and the deformation of hoisting of a single steel pipe truss is large, so that the engineering quality and the construction efficiency are seriously influenced; therefore, a stadium combination roof based on a large-cantilever inclined triangular truss and a construction method thereof should be provided.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the stadium combination roof based on the large-cantilever inclined type triangular truss, which is simple in structure and reasonable in design, and the stadium combination roof based on the large-cantilever inclined type triangular truss solves the technical problems that the large-cantilever steel pipe truss is difficult to place and position and the steel pipe truss is difficult to hoist and deform, and ensures the engineering quality and the construction efficiency.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a stadium combination room lid based on tilting triangular truss of encorbelmenting greatly which characterized in that: the truss structure comprises a plurality of main trusses annularly arranged at intervals and a plurality of vertical face trusses in one-to-one correspondence with the main trusses, wherein the outer sides of two adjacent main trusses are connected through an upper ring truss section, the bottom ends of two adjacent vertical face trusses are connected through a lower ring truss section, an arch frame structure is arranged between the two adjacent main trusses, and a wall frame is arranged between the two adjacent vertical face trusses; the main truss and the vertical face truss are triangular trusses, an upper chord of the main truss and a lower chord of the main truss are variable cross-section rods, an inclined included angle alpha is formed between the upper chord and the lower chord, the value range of the inclined included angle alpha is 4-6 degrees, the main truss is installed at the top end of the upright post, and the value range of the horizontal distance between the overhanging end of the main truss and the inner side surface of the upright post is 20-30 m; the arch structure comprises an arch and a plurality of purlins which are arranged in parallel and are arranged at the top of the arch, wherein the arch comprises a support frame, a first arch unit which is arranged on the support frame and close to the fixed end of the main truss, and a second arch unit which is arranged on the support frame and close to the overhanging end of the main truss.
Foretell stadium combination room lid based on tilting triangular truss encorbelments greatly, its characterized in that: the facade truss includes three main chord member and is used for connecting threely the facade truss web member of main chord member, it is three the bottom of main chord member all be provided with spherical node and with the connecting rod that spherical node connects, it is three the connecting rod forms a link that is the triangular pyramid structure, the bottom of link is provided with the hemisphere node, hemisphere node fixed mounting is in the outside of stand, the top of facade truss with the stiff end fixed connection of main truss.
Foretell stadium combination room lid based on tilting triangular truss encorbelments greatly, its characterized in that: the utility model discloses a novel embedded column structure, including stand, spherical node, embedded pole, lower chord fixed connection, the outside of stand is provided with platform support and two levels and lays and be located the pre-buried pole of platform support top, the top surface of platform support with pre-buried right angle shape steel sheet has been pre-buried between the lateral surface of stand, hemisphere node fixed mounting be in on the right angle shape steel sheet, be close to two of stand one side the spherical node respectively with two pre-buried pole fixed connection, the top of stand be provided with two sets of be used for respectively with two the pre-buried subassembly of lower chord fixed connection's capital, the pre-buried subassembly of capital includes first capital embedded part and second capital embedded part.
Foretell stadium combination room lid based on tilting triangular truss encorbelments greatly, its characterized in that: the first arch center unit comprises two bottom radial rods parallel to the laying direction of the main truss and a plurality of arc rods which are arranged in parallel and installed on the two bottom radial rods, and the second arch center unit comprises a plurality of arc frames arranged in parallel and a connecting frame used for connecting the two adjacent arc frames.
Foretell stadium combination room lid based on tilting triangular truss encorbelments greatly, its characterized in that: the support frame includes that two parallels are laid and be located respectively the radial pole in first top of arc pole both ends top is with install at a plurality ofly the radial pole in second top at arc pole middle part, be provided with a plurality of landing leg groups of laying along its length direction equidistant on the radial pole in first top, landing leg group is the landing leg that regular triangular pyramid laid including the three, and is three the equal fixed mounting in top of landing leg is in on the radial pole in first top, wherein two the bottom of landing leg is connected respectively adjacent two the bottom of arc pole, another the bottom of landing leg is connected on the radial pole in bottom, the radial pole in second top with connect through a plurality of oblique pull rods between the radial pole in bottom.
Foretell stadium combination room lid based on tilting triangular truss encorbelments greatly, its characterized in that: and the purlins are arranged in parallel and are fixedly connected with the first top radial rod and the second top radial rod.
The invention also provides a construction method of the stadium combination roof based on the large cantilever inclined type triangular truss, which is characterized by comprising the following steps: the construction method comprises the following steps:
step one, hoisting of a vertical face truss:
sequentially hoisting a plurality of vertical surface trusses, and respectively connecting the vertical surface trusses to the outer sides of the stand columns which are annularly and equidistantly arranged;
step two, hoisting the lower ring truss segment:
sequentially hoisting a plurality of lower ring truss sections to ensure that the bottom ends of any two adjacent vertical surface trusses are fixedly connected through the lower ring truss sections;
step three, hoisting the main truss:
sequentially hoisting a plurality of main trusses, respectively connecting the main trusses to the vertical surface trusses, and completing the fixed connection between the main trusses and the upright posts;
step four, hoisting the upper ring truss segment:
sequentially hoisting a plurality of upper ring truss sections to ensure that the top ends of any two adjacent vertical surface trusses are fixedly connected through the upper ring truss sections;
step five, assembling and hoisting the arch frame structure:
the assembling and hoisting methods of the plurality of arch frame structures are the same, and the assembling and hoisting method of any one arch frame structure comprises the following steps:
step 501, assembling the arch structure to form four independent arch hoisting units, wherein the four arch hoisting units are respectively a first arch hoisting unit, a second arch hoisting unit, a third arch hoisting unit and a fourth arch hoisting unit which are sequentially connected from the outer side to the inner side of the stadium;
step 502, sequentially hoisting a first arch hoisting unit, a second arch hoisting unit, a third arch hoisting unit and a fourth arch hoisting unit from the outer side to the inner side of the stadium, and completing the fixed connection between two adjacent arch hoisting units;
assembling and hoisting the wall frame:
the assembling and hoisting methods of the wall frames are the same, and the assembling and hoisting method of any one wall frame comprises the following steps:
601, assembling any one wall frame to form four wall frame hoisting units, wherein the four wall frame hoisting units are a first wall frame hoisting unit, a second wall frame hoisting unit, a third wall frame hoisting unit and a fourth wall frame hoisting unit which are sequentially arranged along the circumferential direction of the stadium;
step 602, sequentially hoisting a first wall frame hoisting unit, a second wall frame hoisting unit, a third wall frame hoisting unit and a fourth wall frame hoisting unit, and completing the fixed connection between the top end of the wall frame hoisting unit and the upper ring truss segment and the fixed connection between the bottom end of the wall frame hoisting unit and the lower ring truss segment.
The construction method of the stadium combination roof based on the large cantilever inclined type triangular truss is characterized by comprising the following steps of: in the third step, the main truss is hoisted by a 630t crawler crane in a four-point hoisting mode, and is adjusted by a guide chain.
The construction method of the stadium combination roof based on the large cantilever inclined type triangular truss is characterized by comprising the following steps of: in step 502, a 300t crawler crane arranged outside the stadium hoists the first arch hoisting unit and the second arch hoisting unit, a 230t crawler crane arranged inside the stadium hoists the third arch hoisting unit and the fourth arch hoisting unit, and after hoisting of two adjacent arch hoisting units is completed, the breakpoints are fixedly connected in time.
The construction method of the stadium combination roof based on the large cantilever inclined type triangular truss is characterized by comprising the following steps of: in step 602, a 260t crawler crane and a 130t crawler crane are adopted for simultaneous hoisting, and the 260t crawler crane and the 130t crawler crane are both arranged outside the stadium; when hoisting first wall frame hoist and mount unit, second wall frame hoist and mount unit, third wall frame hoist and mount unit and fourth wall frame hoist and mount unit in proper order, all need adopt 130t crawler crane earlier with arbitrary one wall frame hoist and mount unit hoist and mount to the second floor platform in stadium, later, pass 260t crawler crane's lifting hook from the last ring truss segment in, carry out arbitrary one wall frame hoist and mount unit's continuous hoist and mount to adopt a chain guide cooperation 260t crawler crane will arbitrary one wall frame hoist and mount unit draws in and puts one's place between last ring truss segment and the lower ring truss segment.
Compared with the prior art, the invention has the following advantages:
1. the invention forms a combined roof integrating the radial direction and the annular direction into a whole by jointly constructing a plurality of main trusses, a plurality of vertical face trusses, a plurality of upper ring truss segments, a plurality of lower ring truss segments, a plurality of arch truss structures and a plurality of wall frames, because the main trusses and the vertical face trusses are all triangular trusses, and an inclined included angle is formed between an upper chord and a lower chord, namely the main trusses are inclined, and the range of the horizontal distance between the overhanging end of the main trusses and the inner side surface of an upright post is 20 m-30 m, namely the combined roof of the stadium is the combined roof of the stadium based on the large overhanging inclined triangular trusses, thereby solving the technical problems that the large overhanging steel pipe trusses are difficult to take place and position and the deformation of the steel pipe trusses is large, ensuring the engineering quality and the construction efficiency, combining the combined roof of the stadium with the grandstand, and increasing the volume of the stadium, stable structure, light weight, good shock resistance and good environmental protection performance.
2. The main truss comprises an upper chord member, a lower chord member and a main truss web member, wherein the upper chord member and the lower chord member are variable cross-section members, an inclined included angle is formed between the upper chord member and the lower chord member, during actual construction, the upper chord member, the lower chord member and the main truss web member are all steel pipe members, connecting nodes of the steel pipe members are intersecting nodes, the variable cross-section members comprise large-diameter rod sections positioned in the middle and small-diameter rod sections connected to two ends of the large-diameter rod sections, the large-diameter rod sections and the top ends of the stand columns, an inclined included angle is formed between the upper chord member and the lower chord member, and the value range of the inclined included angle alpha is 4-6 degrees.
3. The arch center structure is formed by combining an arch center and a plurality of purlines, wherein the arch center comprises a support frame, a first arch center unit and a second arch center unit, the arch center is not a simple triangular arch center but a single-pipe arch center without a lower chord, the weight is light, the rigidity is good, and steel pipe consumables are saved.
4. When the assembling and hoisting of the arch structure are carried out in the construction method, the arch structure is assembled into four independent arch hoisting units on the ground, and then the four independent arch hoisting units are hoisted in sequence, so that the assembling accuracy of the arch structure is improved and controlled, and the accuracy of the installation position of the arch structure can be ensured.
In conclusion, the invention provides the stadium combination roof based on the large-cantilever inclined triangular truss, solves the technical problems that the large-cantilever steel pipe truss is difficult to take place, difficult to position and large in deformation caused by hoisting of the steel pipe truss, and ensures the engineering quality and the construction efficiency.
The invention is described in further detail below with reference to the figures and examples.
Drawings
Fig. 1 is a schematic structural view of the combined roof of the present invention.
FIG. 2 is a schematic view showing the connection relationship among the main truss, the vertical truss, the upper ring truss segment, the lower ring truss segment, the arch structure and the wall frame of the composite roof of the present invention.
Fig. 3 is a schematic structural view of the arrangement of the main truss and the hoisting points thereof.
Fig. 4 is a schematic view of the connection relationship of the main truss, the facade truss and the upright post.
Fig. 5 is a schematic structural view of the arch structure of the present invention.
Fig. 6 is a schematic structural view of the first arch hoisting unit and the arrangement of hoisting points thereof.
Fig. 7 is a schematic structural view of the second arch hoisting unit and the arrangement of hoisting points thereof.
Fig. 8 is a schematic structural view of the third arch hoisting unit and the arrangement of hoisting points thereof.
Fig. 9 is a schematic structural view of the fourth arch hoisting unit and the arrangement of hoisting points thereof according to the present invention.
FIG. 10 is a flow chart of the construction method of the present invention.
Description of reference numerals:
1, a main truss; 1-upper chord; 1-2-lower chord;
1-3-main truss web members; 2-a facade truss; 2-1 — a main chord;
2-vertical face truss web members; 2-3-spherical nodes; 2-4-connecting rod;
2-5-hemispherical nodes; 3-upper ring truss segment; 4-lower ring truss sections;
5, wall frame; 6-an arch frame; 6-1-a first top radial stem;
6-1-2-second top radial stem; 6-1-3-legs; 6-2-1-bottom radial rod;
6-2-arc rod; 6-3-1-arc frame; 6-3-2-connecting frame;
6-4-circumferential support rods; 7-upright post; 7-1-a platform support;
7-2-embedding rods; 7-3-a first column top embedded part;
7-4-second column top embedded part; 8-purlin; 9-chain guide.
Detailed Description
As shown in fig. 1 to 5, the stadium combined roof based on the large-cantilever inclined triangular truss of the invention comprises a plurality of main trusses 1 arranged annularly at intervals and a plurality of vertical trusses 2 connected with the main trusses 1 in a one-to-one correspondence manner, the outer sides of two adjacent main trusses 1 are connected through an upper ring truss segment 3, the bottom ends of two adjacent vertical trusses 2 are connected through a lower ring truss segment 4, an arch frame structure is arranged between two adjacent main trusses 1, and a wall frame 5 is arranged between two adjacent vertical trusses 2; the main truss 1 and the vertical face truss 2 are triangular trusses, the main truss 1 is installed at the top end of an upright post 7, one end, close to the outer side of a stadium, of the main truss 1 is a fixed end of the main truss 1, the upper ring truss segment 3 is connected to the fixed ends of the two adjacent main trusses 1, one end, close to the inner side of the stadium, of the main truss 1 is an overhanging end of the main truss 1, the horizontal distance between the overhanging end of the main truss 1 and the inner side face of the upright post 7 ranges from 20m to 30m, the upper chord 1-1 of the main truss 1 and the lower chord 1-2 of the main truss 1 are variable cross-section rods, and an inclined included angle is formed between the upper chord 1-1 and the lower chord 1-2; the arch structure comprises an arch 6 and a plurality of purlines 8 which are arranged in parallel and are arranged at the top of the arch 6, wherein the arch 6 comprises a support frame, a first arch unit which is arranged on the support frame and close to the fixed end of the main truss 1, and a second arch unit which is arranged on the support frame and close to the overhanging end of the main truss 1.
As shown in fig. 1, in this embodiment, by providing a plurality of main trusses 1 and a plurality of vertical trusses 2, the plurality of main trusses 1 and the plurality of vertical trusses 2 are all arranged annularly at intervals, the plurality of main trusses 1 are connected with the plurality of vertical trusses 2 in a one-to-one correspondence, the fixed ends of two adjacent main trusses 1 are connected by upper ring truss segments 3, the bottom ends of two adjacent vertical trusses 2 are connected by lower ring truss segments 4, the plurality of upper ring truss segments 3 together form an upper ring truss, the plurality of lower ring truss segments 4 together form a lower ring truss, at this time, the plurality of main trusses 1, the plurality of vertical trusses 2, the upper ring truss, the lower ring truss, the plurality of arch truss structures and the plurality of wall frames 5 together construct a combined roof integrating the radial direction and the annular direction, because the main trusses 1 and the vertical trusses 2 are triangular trusses, and an inclined included angle is formed between the upper chord 1-1 and the lower chord 1-2, namely the main truss 1 is inclined, and the value range of the horizontal distance between the overhanging end of the main truss 1 and the inner side surface of the upright post 7 is 20-30 m, namely the stadium combined roof is a stadium combined roof based on a large overhanging inclined triangular truss, so that the technical problems that a large overhanging steel pipe truss is difficult to place and position and large deformation of hoisting of the steel pipe truss is difficult are solved, the engineering quality and the construction efficiency are ensured, the stadium combined roof is combined with a large grandstand, the size of a stadium can be increased, the structure is stable, the weight is light, the earthquake resistance is good, and the environmental protection performance is good.
As shown in fig. 2, two adjacent main trusses 1, two adjacent facade trusses 2, an upper ring truss segment 3, a lower ring truss segment 4, an arch structure and a wall frame 5 form a roof unit together; in this embodiment, the number of the main trusses 1 and the number of the vertical trusses 2 are 30 trusses, and the combined roof is divided into four independent parts by two cross structural joints provided on the annular large viewing platform, so that the number of the upper ring truss segments 3 and the number of the lower ring truss segments 4 are 26 trusses.
In this embodiment, the upper ring truss segment 3 and the lower ring truss segment 4 are also triangular trusses, and the three main chords of the upper ring truss segment 3 and the three main chords of the lower ring truss segment 4 are all parallel to each other.
As shown in fig. 3 and 4, the main truss 1 includes an upper chord 1-1, a lower chord 1-2 and a main truss web member 1-3, the upper chord 1-1 and the lower chord 1-2 are both variable cross-section members, an inclined included angle is formed between the upper chord 1-1 and the lower chord 1-2, and the value range of the inclined included angle α is 4 to 6 °, during actual construction, the upper chord 1-1, the lower chord 1-2 and the main truss web member 1-3 are all steel pipe members, the connection nodes of the steel pipe members are all intersecting nodes, the variable cross-section members include a large-diameter rod section located in the middle and small-diameter rod sections connected to both ends of the large-diameter rod section, the large-diameter rod section is compared with the triangular truss of the prior art in which the upper chord 1-1 and the lower chord 1-2 are always parallel, the bending strength of the main truss 1 can be improved, and the stress deformation at the overhanging end of the main truss 1 can be reduced.
As shown in fig. 4, in the present embodiment, an arch 6 and a plurality of purlins 8 are combined to form an arch structure, the arch 6 includes a support frame, a first arch unit and a second arch unit, the arch 6 is not a simple triangular arch but a single-tube arch without a lower chord, and is light in weight, good in rigidity and capable of saving steel tube consumables.
As shown in fig. 4, in this embodiment, the vertical surface truss 2 includes three main chords 2-1 and vertical surface truss web members 2-2 for connecting the three main chords 2-1, the bottom ends of the three main chords 2-1 are respectively provided with a spherical node 2-3 and a connecting rod 2-4 connected to the spherical node 2-3, the three connecting rods 2-4 form a connecting frame in a triangular pyramid structure, the bottom end of the connecting frame is provided with a hemispherical node 2-5, the hemispherical node 2-5 is fixedly mounted on the outer side of an upright post 7, and the top end of the vertical surface truss 2 is fixedly connected to the fixed end of the main truss 1.
In this embodiment, a platform support 7-1 and two embedded rods 7-2 which are horizontally arranged and located above the platform support 7-1 are arranged on the outer side of the upright post 7, a right-angle steel plate is embedded between the top surface of the platform support 7-1 and the outer side surface of the upright post 7, the hemispherical nodes 2-5 are fixedly installed on the right-angle steel plate, and the two spherical nodes 2-3 close to one side of the upright post 7 are respectively and fixedly connected with the two embedded rods 7-2.
In this embodiment, two groups of post top embedded components respectively used for being fixedly connected with the two lower chords 1 to 2 are arranged at the top end of the upright post 7, and each post top embedded component comprises a first post top embedded part 7-3 and a second post top embedded part 7-4.
In this embodiment, the large-diameter rod section of the variable cross-section rod is fixedly connected with the first column top embedded part 7-3 and the second column top embedded part 7-4 at the same time.
As shown in fig. 5, in this embodiment, the first arch unit includes two bottom radial rods 6-2-1 parallel to the arrangement direction of the main truss 1 and a plurality of arc rods 6-2-2 arranged in parallel and mounted on the two bottom radial rods 6-2-1, and the second arch unit includes a plurality of arc frames 6-3-1 arranged in parallel and a connecting frame 6-3-2 for connecting the adjacent two arc frames 6-3-1.
In this embodiment, the support frame comprises two first top radial rods 6-1-1 arranged in parallel and respectively located above two ends of the arc-shaped rods 6-2-2 and a second top radial rod 6-1-2 installed in the middle of the arc-shaped rods 6-2-2, a plurality of leg sets arranged at equal intervals along the length direction of the first top radial rod 6-1-1 are arranged on the first top radial rod 6-1-1, each leg set comprises three legs 6-1-3 arranged in a regular triangular pyramid shape, the top ends of the three legs 6-1-3 are all fixedly installed on the first top radial rod 6-1-1, wherein the bottom ends of the two legs 6-1-3 are respectively connected to the bottom ends of the two adjacent arc-shaped rods 6-2-2, the bottom end of the other supporting leg 6-1-3 is connected to the bottom radial rod 6-2-1, and the second top radial rod 6-1-2 is connected with the bottom radial rod 6-2-1 through a plurality of diagonal draw bars 6-1-4.
In this embodiment, the purlins 8 are arranged in parallel and are all fixedly connected with the first top radial rod 6-1-1 and the second top radial rod 6-1-2.
In this embodiment, the ends of the first top radial rod 6-1-1 and the second top radial rod 6-1-2 close to the outside of the stadium are fixedly provided with circumferential support rods 6-4 parallel to the purlins 8, and both ends of the circumferential support rods 6-4 and both ends of the purlins 8 are respectively and fixedly connected with the upper chords 1-1 of the two adjacent main trusses 1.
As shown in fig. 6 to 10, the present invention further provides a construction method of a stadium combined roof based on a large cantilever inclined triangular truss, the construction method includes the following steps:
step one, hoisting of a vertical face truss:
sequentially hoisting a plurality of vertical surface trusses 2, and respectively connecting the vertical surface trusses 2 to the outer sides of a plurality of stand columns 7 which are annularly and equidistantly arranged;
step two, hoisting the lower ring truss segment:
sequentially hoisting a plurality of lower ring truss sections 4, so that the bottom ends of any two adjacent vertical surface trusses 2 are fixedly connected through the lower ring truss sections 4;
step three, hoisting the main truss:
sequentially hoisting a plurality of main trusses 1, respectively connecting the main trusses 1 to a plurality of vertical surface trusses 2, and completing the fixed connection between the main trusses 1 and a plurality of upright posts 7;
step four, hoisting the upper ring truss segment:
sequentially hoisting a plurality of upper ring truss sections 3, so that the top ends of any two adjacent vertical surface trusses 2 are fixedly connected through the upper ring truss sections 3;
step five, assembling and hoisting the arch frame structure:
the assembling and hoisting methods of the plurality of arch frame structures are the same, and the assembling and hoisting method of any one arch frame structure comprises the following steps:
step 501, assembling the arch structure to form four independent arch hoisting units, wherein the four arch hoisting units are respectively a first arch hoisting unit, a second arch hoisting unit, a third arch hoisting unit and a fourth arch hoisting unit which are sequentially connected from the outer side to the inner side of the stadium;
step 502, sequentially hoisting a first arch hoisting unit, a second arch hoisting unit, a third arch hoisting unit and a fourth arch hoisting unit from the outer side to the inner side of the stadium, and completing the fixed connection between two adjacent arch hoisting units;
in this embodiment, through assembling into four independent bow member hoist and mount units with the bow member structure subaerial earlier, later, hoist four independent bow member hoist and mount units in proper order, be convenient for improve and control the accuracy that the bow member structure was assembled, can guarantee the accuracy of bow member structure mounted position.
During actual construction, before four independent arch frame hoisting units are hoisted in sequence, the node positions on the main truss 1 need to be marked, and paint is polished and cleaned; measuring the spatial coordinate value of the node position, confirming the error, finding out the reason if the deviation is overlarge, and adjusting the reason as much as possible when assembling on the ground, so as to ensure that four independent arch frame hoisting units are hoisted smoothly; meanwhile, an operation platform and a channel for installing the bulk rods are arranged on the four independent arch frame hoisting units, a safety net is stretched below the hoisting position, and two ends of the four independent arch frame hoisting units are directly welded with the main truss 1 in a penetrating mode.
Assembling and hoisting the wall frame:
the assembling and hoisting methods of the wall frames are the same, and the assembling and hoisting method of any one wall frame comprises the following steps:
601, assembling any one wall frame to form four wall frame hoisting units, wherein the four wall frame hoisting units are a first wall frame hoisting unit, a second wall frame hoisting unit, a third wall frame hoisting unit and a fourth wall frame hoisting unit which are sequentially arranged along the circumferential direction of the stadium;
step 602, sequentially hoisting a first wall frame hoisting unit, a second wall frame hoisting unit, a third wall frame hoisting unit and a fourth wall frame hoisting unit, and completing the fixed connection between the top end of the wall frame hoisting unit and the upper ring truss segment 3, and the fixed connection between the bottom end of the wall frame hoisting unit and the lower ring truss segment 4.
In this embodiment, in the third step, the main truss 1 is hoisted by a 630t crawler crane in a four-point hoisting manner, and is adjusted by a guide chain 9.
In this embodiment, the specification of the guide chain 9 is 20t chain block.
In this embodiment, in step 502, a 300t crawler crane arranged outside the stadium hoists the first arch hoisting unit and the second arch hoisting unit, a 230t crawler crane arranged inside the stadium hoists the third arch hoisting unit and the fourth arch hoisting unit, and after the hoisting of the adjacent two arch hoisting units is completed, the breakpoints are fixedly connected in time.
As shown in fig. 6 to 9, during actual construction, the weight of four independent arch hoisting units ranges from 13t to 33t, different hoisting point positions need to be set for the first arch hoisting unit, the second arch hoisting unit, the third arch hoisting unit and the fourth arch hoisting unit, adjustment is performed by using one guide chain 9, and a safety rope is provided; it should be noted that, before the four independent arch frame hoisting units are hoisted, trial hoisting needs to be performed on the ground in advance, and hoisting is performed after the hoisting angle is adjusted.
In this embodiment, in step 602, a 260t crawler crane and a 130t crawler crane are adopted to perform hoisting simultaneously, and both the 260t crawler crane and the 130t crawler crane are arranged outside the stadium; when hoisting first wall frame hoist and mount unit, second wall frame hoist and mount unit, third wall frame hoist and mount unit and fourth wall frame hoist and mount unit in proper order, all need adopt 130t crawler crane earlier with arbitrary one wall frame hoist and mount unit hoist and mount to the second floor platform in stadium, later, pass 260t crawler crane's lifting hook from last ring truss segment 3 in, carry out arbitrary one wall frame hoist and mount unit's continuous hoist and mount to adopt a chain guide 9 cooperation 260t crawler crane will arbitrary one wall frame hoist and mount unit draws in between last ring truss segment 3 and the lower ring truss segment 4 and takes one's place.
In this embodiment, the spatial circular tube truss steel awning is an exposed structure, the wall thickness of the tube is thick, the number of nodes is large, the maximum overhanging length of the main truss 1 is 30m, the arch structure needs to be welded on the main truss 1, the number of installing and positioning through holes is large, the requirements on site assembling and installing precision are high, the installing risk and difficulty of the steel structure of the large overhanging tube truss type stadium are reduced, the using amount of ultra-large construction machinery is reduced, the high-altitude operation risk is reduced, and good economic benefits are obtained.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a stadium combination room lid based on tilting triangular truss of encorbelmenting greatly which characterized in that: the truss structure comprises a plurality of main trusses (1) which are annularly arranged at intervals and a plurality of vertical face trusses (2) which are correspondingly connected with the main trusses (1) one by one, wherein the outer sides of two adjacent main trusses (1) are connected through an upper ring truss segment (3), the bottom ends of two adjacent vertical face trusses (2) are connected through a lower ring truss segment (4), an arch frame structure is arranged between two adjacent main trusses (1), and a wall frame (5) is arranged between two adjacent vertical face trusses (2); the main truss (1) and the vertical face truss (2) are both triangular trusses, an upper chord (1-1) of the main truss (1) and a lower chord (1-2) of the main truss (1) are both variable cross-section rods, an inclined included angle alpha is formed between the upper chord (1-1) and the lower chord (1-2), the value range of the inclined included angle alpha is 4-6 degrees, the main truss (1) is installed at the top end of an upright post (7), and the value range of the horizontal distance between the overhanging end of the main truss (1) and the inner side face of the upright post (7) is 20-30 m; the arch structure comprises an arch (6) and a plurality of purlines (8) which are arranged in parallel and installed at the top of the arch (6), wherein the arch (6) comprises a support frame, a first arch unit which is installed on the support frame and close to the fixed end of the main truss (1), and a second arch unit which is installed on the support frame and close to the overhanging end of the main truss (1).
2. The stadium combination roof based on a large cantilevered inclined triangular truss of claim 1, wherein: facade truss (2) include three main chord member (2-1) and be used for connecting threely facade truss web member (2-2) of main chord member (2-1), it is three the bottom of main chord member (2-1) all be provided with spherical node (2-3) and with connecting rod (2-4) that spherical node (2-3) are connected, three connecting rod (2-4) form a link that is triangular pyramid structure, the bottom of link is provided with hemisphere node (2-5), hemisphere node (2-5) fixed mounting is in the outside of stand (7), the top of facade truss (2) with the stiff end fixed connection of main truss (1).
3. The stadium combination roof based on a large cantilevered inclined triangular truss of claim 2, wherein: a platform support (7-1) and two embedded rods (7-2) which are horizontally arranged and are positioned above the platform support (7-1) are arranged on the outer side of the upright post (7), a right-angle steel plate is pre-embedded between the top surface of the platform support (7-1) and the outer side surface of the upright post (7), the hemispherical nodes (2-5) are fixedly arranged on the right-angle steel plate, two spherical nodes (2-3) close to one side of the upright post (7) are respectively and fixedly connected with two embedded rods (7-2), two groups of post top embedded components which are respectively used for being fixedly connected with the two lower chords (1-2) are arranged at the top end of the upright post (7), the column top embedded component comprises a first column top embedded part (7-3) and a second column top embedded part (7-4).
4. The stadium combination roof based on a large cantilevered inclined triangular truss of claim 1, wherein: the first arch center unit comprises two bottom radial rods (6-2-1) parallel to the arrangement direction of the main truss (1) and a plurality of arc-shaped rods (6-2-2) arranged in parallel and installed on the two bottom radial rods (6-2-1), and the second arch center unit comprises a plurality of arc-shaped frames (6-3-1) arranged in parallel and a connecting frame (6-3-2) used for connecting the two adjacent arc-shaped frames (6-3-1).
5. The stadium combination roof based on a large cantilevered inclined triangular truss according to claim 4, wherein: the support frame comprises two first top radial rods (6-1-1) which are arranged in parallel and are respectively positioned above two ends of the arc-shaped rods (6-2-2) and a second top radial rod (6-1-2) arranged in the middle of the arc-shaped rods (6-2-2), a plurality of support leg groups which are arranged at equal intervals along the length direction of the first top radial rod (6-1-1) are arranged on the first top radial rod (6-1-1), each support leg group comprises three support legs (6-1-3) which are arranged in a regular triangular pyramid shape, the top ends of the three support legs (6-1-3) are fixedly arranged on the first top radial rod (6-1-1), the bottom ends of the two support legs (6-1-3) are respectively connected with the bottom ends of the two adjacent arc-shaped rods (6-2-2), the bottom end of the other supporting leg (6-1-3) is connected to the bottom radial rod (6-2-1), and the second top radial rod (6-1-2) is connected with the bottom radial rod (6-2-1) through a plurality of diagonal draw bars (6-1-4).
6. The stadium combination roof based on a large overhanging inclined type triangular truss according to claim 5, characterized in that: the purlines (8) are arranged in parallel and are fixedly connected with the first top radial rod (6-1-1) and the second top radial rod (6-1-2).
7. A construction method of a stadium combined roof based on a large-cantilever inclined triangular truss as claimed in claim 1, characterized in that: the construction method comprises the following steps:
step one, hoisting of a vertical face truss:
sequentially hoisting a plurality of vertical surface trusses (2), and respectively connecting the vertical surface trusses (2) to the outer sides of the stand columns (7) which are annularly and equidistantly distributed;
step two, hoisting the lower ring truss segment:
sequentially hoisting a plurality of lower ring truss sections (4) to ensure that the bottom ends of any two adjacent vertical face trusses (2) are fixedly connected through the lower ring truss sections (4);
step three, hoisting the main truss:
sequentially hoisting a plurality of main trusses (1), respectively connecting the main trusses (1) to the vertical face trusses (2), and finishing the fixed connection between the main trusses (1) and the upright posts (7);
step four, hoisting the upper ring truss segment:
sequentially hoisting a plurality of upper ring truss sections (3) to ensure that the top ends of any two adjacent vertical surface trusses (2) are fixedly connected through the upper ring truss sections (3);
step five, assembling and hoisting the arch frame structure:
the assembling and hoisting methods of the plurality of arch frame structures are the same, and the assembling and hoisting method of any one arch frame structure comprises the following steps:
step 501, assembling the arch structure to form four independent arch hoisting units, wherein the four arch hoisting units are respectively a first arch hoisting unit, a second arch hoisting unit, a third arch hoisting unit and a fourth arch hoisting unit which are sequentially connected from the outer side to the inner side of the stadium;
step 502, sequentially hoisting a first arch hoisting unit, a second arch hoisting unit, a third arch hoisting unit and a fourth arch hoisting unit from the outer side to the inner side of the stadium, and completing the fixed connection between two adjacent arch hoisting units;
assembling and hoisting the wall frame:
the assembling and hoisting methods of the wall frames are the same, and the assembling and hoisting method of any one wall frame comprises the following steps:
601, assembling any one wall frame to form four wall frame hoisting units, wherein the four wall frame hoisting units are a first wall frame hoisting unit, a second wall frame hoisting unit, a third wall frame hoisting unit and a fourth wall frame hoisting unit which are sequentially arranged along the circumferential direction of the stadium;
step 602, sequentially hoisting a first wall frame hoisting unit, a second wall frame hoisting unit, a third wall frame hoisting unit and a fourth wall frame hoisting unit, and completing the fixed connection between the top end of the wall frame hoisting unit and the upper ring truss segment (3), and the fixed connection between the bottom end of the wall frame hoisting unit and the lower ring truss segment (4).
8. The construction method of the stadium combination roof based on the large-cantilever inclined type triangular truss as claimed in claim 7, wherein: in the third step, the main truss (1) is hoisted by a 630t crawler crane in a four-point hoisting mode, and is adjusted by a guide chain (9).
9. The construction method of the stadium combination roof based on the large-cantilever inclined type triangular truss as claimed in claim 7, wherein: in step 502, a 300t crawler crane arranged outside the stadium hoists the first arch hoisting unit and the second arch hoisting unit, a 230t crawler crane arranged inside the stadium hoists the third arch hoisting unit and the fourth arch hoisting unit, and after hoisting of two adjacent arch hoisting units is completed, the breakpoints are fixedly connected in time.
10. The construction method of the stadium combination roof based on the large-cantilever inclined type triangular truss as claimed in claim 7, wherein: in step 602, a 260t crawler crane and a 130t crawler crane are adopted for simultaneous hoisting, and the 260t crawler crane and the 130t crawler crane are both arranged outside the stadium; when hoisting first wall frame hoist and mount unit, second wall frame hoist and mount unit, third wall frame hoist and mount unit and fourth wall frame hoist and mount unit in proper order, all need adopt 130t crawler crane earlier with arbitrary one wall frame hoist and mount unit hoist and mount to the second floor platform in stadium, later, pass 260t crawler crane's lifting hook from last ring truss segment (3) in, carry out arbitrary one continuous hoist and mount of wall frame hoist and mount unit to adopt a chain guide (9) cooperation 260t crawler crane will arbitrary one wall frame hoist and mount unit draws in between last ring truss segment (3) and lower ring truss segment (4) and take one's place.
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| CN202210338038.4A CN114525877B (en) | 2022-03-31 | 2022-03-31 | Stadium combined roof based on large cantilever inclined triangular truss and construction method |
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| CN202210338038.4A CN114525877B (en) | 2022-03-31 | 2022-03-31 | Stadium combined roof based on large cantilever inclined triangular truss and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199051A (en) * | 2022-07-22 | 2022-10-18 | 中建八局新型建造工程有限公司 | Construction method of football court large-span awning |
| CN117627386A (en) * | 2024-01-25 | 2024-03-01 | 北京建工集团有限责任公司 | Cable curtain wall truss and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB554193A (en) * | 1941-10-21 | 1943-06-24 | Fromson Bertram William | Improvements in or relating to extendible bearers or supports for temporary or permanent use in building construction |
| FR2554146A1 (en) * | 1983-10-28 | 1985-05-03 | Mathis Sa Ets Paul | Frame for the construction of buildings, in particular buildings used for sporting activities |
| US20020129565A1 (en) * | 2001-01-23 | 2002-09-19 | Cyril Silberman | Retractable roof system for stadium |
| CN101824905A (en) * | 2010-06-04 | 2010-09-08 | 中建三局建设工程股份有限公司 | Assembly type variable steel girder platform, distribution method and assembly method thereof |
| CN111501997A (en) * | 2020-04-23 | 2020-08-07 | 贵州建工集团第四建筑工程有限责任公司 | Steel truss structure construction method applied to stadium |
| CN113719139A (en) * | 2021-10-13 | 2021-11-30 | 中建八局第二建设有限公司 | Construction method for hoisting irregular space net rack of stadium |
| CN113789851A (en) * | 2021-09-26 | 2021-12-14 | 浙大城市学院 | Arc cantilever truss stay cable bearing combined long-span corridor structure and construction method |
-
2022
- 2022-03-31 CN CN202210338038.4A patent/CN114525877B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB554193A (en) * | 1941-10-21 | 1943-06-24 | Fromson Bertram William | Improvements in or relating to extendible bearers or supports for temporary or permanent use in building construction |
| FR2554146A1 (en) * | 1983-10-28 | 1985-05-03 | Mathis Sa Ets Paul | Frame for the construction of buildings, in particular buildings used for sporting activities |
| US20020129565A1 (en) * | 2001-01-23 | 2002-09-19 | Cyril Silberman | Retractable roof system for stadium |
| CN101824905A (en) * | 2010-06-04 | 2010-09-08 | 中建三局建设工程股份有限公司 | Assembly type variable steel girder platform, distribution method and assembly method thereof |
| CN111501997A (en) * | 2020-04-23 | 2020-08-07 | 贵州建工集团第四建筑工程有限责任公司 | Steel truss structure construction method applied to stadium |
| CN113789851A (en) * | 2021-09-26 | 2021-12-14 | 浙大城市学院 | Arc cantilever truss stay cable bearing combined long-span corridor structure and construction method |
| CN113719139A (en) * | 2021-10-13 | 2021-11-30 | 中建八局第二建设有限公司 | Construction method for hoisting irregular space net rack of stadium |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199051A (en) * | 2022-07-22 | 2022-10-18 | 中建八局新型建造工程有限公司 | Construction method of football court large-span awning |
| CN115199051B (en) * | 2022-07-22 | 2024-04-16 | 中建八局新型建造工程有限公司 | Construction method of football field large-span awning |
| CN117627386A (en) * | 2024-01-25 | 2024-03-01 | 北京建工集团有限责任公司 | Cable curtain wall truss and construction method thereof |
| CN117627386B (en) * | 2024-01-25 | 2024-04-09 | 北京建工集团有限责任公司 | Cable curtain wall truss and construction method thereof |
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