CN114775801B - Horseshoe-shaped truss structure steel roof truss and construction method thereof - Google Patents
Horseshoe-shaped truss structure steel roof truss and construction method thereof Download PDFInfo
- Publication number
- CN114775801B CN114775801B CN202210311626.9A CN202210311626A CN114775801B CN 114775801 B CN114775801 B CN 114775801B CN 202210311626 A CN202210311626 A CN 202210311626A CN 114775801 B CN114775801 B CN 114775801B
- Authority
- CN
- China
- Prior art keywords
- column
- roof
- truss
- beams
- columns
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- 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
-
- 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
- E04B7/18—Special structures in or on roofs, e.g. dormer windows
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A steel roof truss with a horseshoe-shaped truss structure and a construction method thereof comprise a roof support column and a roof structure beam, wherein the top surface of the roof structure beam is positioned in the same plane, the outline of the steel roof truss with the horseshoe-shaped truss structure in the plane is bilaterally symmetrical, the roof support column comprises a support side column, a support frame column and a support ring column, and the roof structure beam comprises a support side beam, a support frame main beam, a support frame secondary beam, a roof ring beam, a roof cantilever beam and a roof cantilever beam. Compared with the common bidirectional truss structure roof truss, the invention has novel and unique shape and wide lower space of the roof truss, and is particularly suitable for public buildings with higher lighting requirements, such as libraries and the like.
Description
Technical Field
The invention belongs to a special-shaped steel roof truss, in particular to a horseshoe-shaped truss structural steel roof truss and a construction method thereof.
Background
In a steel roof truss structure, a general bidirectional truss structure is monotonous in structural style, mainly in a rectangular shape, and cannot form an effective modeling effect. When designed as a new style of roof truss, such as a horseshoe steel roof truss, the existing bidirectional truss structure has not been able to meet its styling requirements.
Disclosure of Invention
The invention aims to provide a horseshoe-shaped truss structural steel roof truss and a construction method thereof, and aims to solve the technical problem that the existing bidirectional truss structure is monotonous in structural style, mainly rectangular in shape and incapable of forming an effective modeling effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a horseshoe-shaped truss structure steel roof truss comprises a roof support column and a roof structure beam, wherein the top surface of the roof structure beam is positioned in the same plane, the outer contour of the support steel roof truss in the plane is in a horseshoe shape with bilateral symmetry and comprises a bottom edge and two horseshoe wall outer side edges, the front end of the horseshoe wall outer side edge gradually closes up in an arc shape to enclose, the inner contour of the steel roof truss comprises a horseshoe wall inner side edge which is matched with the contour shape of the horseshoe wall outer side edge and is arranged in a space enclosed by the horseshoe wall outer side edges, a spacing distance is arranged between the horseshoe wall inner side edge and the horseshoe wall outer side edge,
the roof support column comprises support side columns, support frame columns and support ring columns, the roof structure beam comprises a support side beam, a support frame main beam, a support frame secondary beam, a roof ring beam, a roof outrigger beam and a roof cantilever beam,
the supporting frame columns are distributed in the space enclosed by the inner side edge of the horseshoe wall and between the supporting side columns and the inner side edge of the horseshoe wall, and are two rows of columns which are transversely symmetrically arranged along two sides of the longitudinal center line of the steel roof truss and longitudinally arranged at intervals,
the supporting ring columns are distributed at intervals along the inner side edge of the horseshoe wall and are arranged in a left-right symmetrical mode until the longitudinal extension line of the foremost supporting frame column,
the supporting frame main beam is fixedly connected between the supporting frame columns, two longitudinal lines inside the steel roof truss are formed by the supporting frame main beam and the supporting frame columns, the supporting frame main beam comprises a longitudinal main beam and a transverse main beam,
the support frame secondary beams are provided with a group and fixedly connected between the longitudinal main beams,
the roof ring beam is arranged along the inner side edge of the horseshoe wall and fixedly connected between the supporting ring columns,
the roof outrigger beams are provided with a group, the far ends of the roof outrigger beams are arranged along the inner side edge of the horseshoe wall, the two ends of the roof outrigger beams are respectively and fixedly connected between the beam column members on the longitudinal line in the steel roof truss and the beam column members on the inner side edge of the horseshoe wall,
the roof cantilever beam is provided with a group, the far end of the roof cantilever beam is arranged along the outer side edge of the horseshoe wall, the inner end of the roof cantilever beam is fixedly connected with a beam column member on the inner side edge of the horseshoe wall, and the far end of the roof cantilever beam is connected into a whole through a roof edge upper connecting beam arranged along the outer side edge of the horseshoe wall.
The supporting side columns comprise bottom side columns which are distributed at intervals along the bottom edge positions, the two bottom side columns at the outermost sides are bottom edge outer columns, the supporting side columns further comprise side columns which are arranged close to the bottom edge columns along the outer side edge positions of the horseshoe wall respectively, the side columns are arranged on the outer sides of the bottom edge outer columns relative to the bottom edge outer columns,
the first support ring column close to the bottom side column is a truss girder initial column, the front side of the transverse position where the first support ring column is located is a truss girder distribution initial position, the support frame column on the foremost side is a truss girder attitude distribution column, and the front side of the transverse position where the first support ring column is located is a truss girder arc attitude distribution initial position.
And all the forward roof ring beams of the truss starting column are truss ring beams, and each roof ring beam comprises a ring beam upper chord member, a ring beam lower chord member and a ring beam web member.
All roof outrigger beams from the truss initial column to the front are truss outrigger beams, and each roof outrigger beam comprises an outrigger beam upper chord member, an outrigger beam lower chord member and an outrigger beam web member;
the truss outrigger beam comprises an outrigger beam, an outrigger longitudinal beam and an outrigger inclined beam, wherein the outrigger beam is arranged in a range between the transverse position of the initial column of the truss and the transverse position of the posture distribution column of the truss at a transverse parallel interval, the outrigger longitudinal beam is arranged in a range between the posture distribution column of the truss and the support ring column at the foremost side at a longitudinal parallel interval, the outrigger inclined beam is arranged in a range between the outrigger beam and the outrigger longitudinal beam at a radial interval, one end of the outrigger beam is fixedly connected with the column connecting end of the adjacent outrigger beam, and the other end of the outrigger beam is fixedly connected with a beam column component on the inner side edge of the horseshoe wall corresponding to the position.
From the initial post of longeron is the truss cantilever beam forward all roofing cantilever beam, the truss cantilever beam is including encorbelmenting the crossbeam, encorbelmenting longeron and the sloping of encorbelmenting, and every truss cantilever beam sets up with the equal one-to-one of extension line of the mounted position of inboard truss outrigger beam, the roofing cantilever beam is including cantilever beam upper chord member, cantilever beam lower chord member and cantilever beam web member, and wherein cantilever beam upper chord member is a little with the outer end fixed connection of cantilever beam lower chord member, roof edge is gone up the even roof beam and is connected adjacent two points, cantilever beam lower chord member is formed by two sections member bending connections, through roof edge lower beam fixed connection between two adjacent bending points.
The top surfaces of the supporting side columns and the supporting ring columns and the top surface of the roof structural beam are located in the same plane.
The supporting frame column comprises a long column and a short column, the short column is positioned at the foremost end, the top surface of the short column and the top surface of the roof structure beam are positioned in the same plane, the top of the long column extends out of the plane, and the four sides of the top of the long column are fixedly connected with the connecting short beam.
The supporting side columns, the supporting ring columns and the supporting frame columns are all square steel pipe columns, supporting side beams, the roof ring beams, the roof cantilever beams and the roof cantilever beams from the truss starting columns to the back are all I-shaped steel beams, and the supporting frame main beams and the supporting frame secondary beams are all I-shaped steel beams.
The supporting side beams comprise side column beams fixedly connected between the supporting side columns, side frame beams fixedly connected between the bottom side columns and the supporting frame columns, and side ring beams fixedly connected between the side column and the supporting ring column,
longitudinal pulling reinforcing beams are fixedly connected to the top surfaces of the roof outriggers backwards from the truss girder initial column in a bilateral symmetry mode.
A construction method of a steel roof truss with a horseshoe-shaped truss structure comprises the following construction steps:
step one, designing beam column installation positions and component sizes according to the horseshoe shape of the truss structural steel roof truss, and then processing each column and beam component in a factory;
mounting a support side column, a support frame column and a support ring column on the existing structure, wherein the support side column comprises a bottom side column and a side column, and the side column is positioned on the outer side of the bottom side column;
determining the position of a truss starting column, wherein the distance between the truss starting column and a bottom edge column is greater than the distance between a supporting frame column on the last side and the bottom edge column;
step four, mounting side column beams between the support side columns, mounting frame beams between the bottom side columns and the support frame columns, and mounting side ring beams between the side columns and the support ring columns;
fifthly, mounting a main supporting frame beam and a secondary supporting frame beam between the supporting frame columns;
sixthly, mounting a roof ring beam between the support ring columns;
seventhly, mounting a roof cantilever beam between a beam column member on a longitudinal line in the steel roof truss and a beam column member on the inner side edge of the horseshoe wall;
and step eight, mounting a roof cantilever beam between the beam-column member on the inner side of the horseshoe wall and the beam-column member on the outer side of the horseshoe wall.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention relates to a horseshoe-shaped truss structure steel roof truss, which is a special-shaped roof truss formed by mounting and designing beam columns, wherein a roof starting structure is formed by supporting side columns and supporting side beams rooted at the edges, a horseshoe-shaped outline is formed by designing supporting ring columns, a roof ring beam and a roof cantilever beam, and an integral horseshoe-shaped roof truss is formed by weaving supporting frame columns and primary and secondary rod pieces of the supporting frame beams in a designed frame and connected roof cantilever beams. The roof structure is a single-layer bidirectional truss structure, the shape of the roof structure is very similar to that of a horseshoe, and a design thought of a novel combined shape structure is provided.
In order to form a horseshoe-shaped structure, the invention particularly designs a special single-layer bidirectional truss structure, which comprises a roof ring beam, a roof cantilever beam and a roof cantilever beam, wherein the trusses are respectively used and combined to form the horseshoe-shaped steel roof truss.
The invention is specially designed into a bilaterally symmetrical single-layer bidirectional truss structure, and compared with a single-row frame column, two middle support frame columns, two middle support frame main beams and two middle support frame secondary beams, a main body stress frame is formed, so that the stress center is more stable in balance, and the force is transferred to the support ring columns and the roof ring beams through the roof cantilever beams and then transferred to the roof cantilever beams. The invention designs the installation posture of the beam column at the position in a targeted manner, sets a force transmission path which can be clearly designed for the truss starting column, and changes the common I-shaped steel beam into the truss beam from the position to the front for design, thereby ensuring the stability of stress. And according to the shape characteristics of the horseshoe shape, the front end is designed into an arc-shaped closing-up shape, and meanwhile, truss posture distribution columns are set, so that the installation and stress of a truss at the closing-up position are guaranteed to be realized.
Compared with the common bidirectional truss structure roof truss, the invention has novel and unique shape and wide lower space of the roof truss, and is particularly suitable for public buildings with higher lighting requirements, such as libraries and the like.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a first schematic structural diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
Fig. 4 is a fourth structural diagram of the present invention.
Fig. 5 is an enlarged schematic view of the rear half structure of fig. 1-4.
Fig. 6 is an enlarged schematic view of the front half structure of fig. 1-4.
Fig. 7 is a schematic top view of the first embodiment of the present invention.
Fig. 8 is a schematic view of a single-layer roof structure according to a first embodiment of the invention.
Fig. 9 is an enlarged schematic view of the connection structure of the roof ring beam.
Fig. 10 is an enlarged schematic view of the connection structure of the roof outrigger beam and the roof cantilever beam connected to the column.
Fig. 11 is an enlarged schematic view of the connection structure of the roof outrigger beam and the roof cantilever beam connected to the beam.
Fig. 12 is a schematic view of a double-layered roof structure according to a second embodiment of the present invention.
Fig. 13 is a schematic top view of the second embodiment of the present invention.
Reference numerals: 1-bottom edge, 2-outer side edge of horseshoe wall, 3-inner side edge of horseshoe wall, 4-supporting side column, 41-bottom side column, 42-bottom edge outer column, 43-side edge column, 5-supporting frame column, 51-truss posture distribution column, 52-long column, 53-short column, 6-supporting ring column, 61-truss starting column, 7-supporting side beam, 71-side column beam, 72-side frame beam, 73-side ring beam, 8-supporting frame main beam, 81-longitudinal main beam, 82-transverse main beam, 9-supporting frame secondary beam, 10-roof ring beam, 10 a-ring beam upper chord, 10 b-ring beam lower chord, 10 c-ring beam web member, 11-roof cantilever beam 11 a-upper chord of cantilever beam, 11 b-lower chord of cantilever beam, 11 c-web of cantilever beam, 111-crossbeam of cantilever beam, 112-longitudinal beam of cantilever beam, 113-oblique beam of cantilever beam, 12-roof cantilever beam, 12 a-upper chord of cantilever beam, 12 b-lower chord of cantilever beam, 12 c-web of cantilever beam, 121-cantilever beam, 122-longitudinal beam of cantilever beam, 123-oblique beam of cantilever beam, 13-short beam of connection, 14-pulling reinforcing beam, 15-upper beam of roof edge, 16-lower beam of roof edge, 17-upper frame longitudinal beam, 18-upper frame beam, 19-upper frame secondary beam, 20-upper boundary beam, 21-upper cantilever beam.
Detailed Description
First embodiment referring to fig. 1-11, a horseshoe-shaped truss structure steel roof truss is a single-layer steel roof truss structure, and includes a roof support column and a roof structure beam, wherein the top surface of the roof structure beam is located in the same plane, the outer contour of the support steel roof truss in the plane is a horseshoe shape that is bilaterally symmetric, and includes a bottom edge 1 and two horseshoe wall outer sides 2, the front end of the horseshoe wall outer side 2 gradually closes up and encloses in an arc shape, the inner contour of the steel roof truss includes a horseshoe wall inner side 3 that is adapted to the contour shape of the horseshoe wall outer side 2 and is arranged in the space enclosed by the horseshoe wall outer side 2, and a spacing distance is provided between the horseshoe wall inner side 3 and the horseshoe wall outer side 2.
The roofing support column is including supporting boundary pillar 4, braced frame post 5 and support ring post 6, roofing structure roof beam is including supporting boundary beam 7, braced frame girder 8, braced frame secondary beam 9, roofing ring beam 10, roofing cantilever beam 11 and roofing cantilever beam 12.
The supporting side columns 4 comprise bottom side columns 41 which are distributed at intervals along the bottom side 1, the two bottom side columns 41 on the outermost side are bottom side outer columns 42, the supporting side columns 4 further comprise side columns 43 which are respectively arranged close to the bottom side columns 41 along the positions of the outer sides 2 of the horseshoe walls, and the side columns 43 are arranged on the outer sides of the bottom side outer columns 42 relative to the bottom side outer columns. The first support ring column 6 close to the bottom side column 41 is a truss girder initial column 61, the front side of the transverse position of the first support ring column is a truss girder distribution initial position, the support frame column 5 at the foremost side is a truss girder attitude distribution column 51, and the front side of the transverse position of the first support ring column is a truss girder arc attitude distribution initial position.
In this embodiment, four bottom side columns are arranged at intervals, two outermost bottom side columns are bottom side outer columns 42, side columns 43 are located on the outer sides of the bottom sides, the side columns are arranged in front of the bottom side outer columns, and the side columns and the bottom side outer columns are connected through side column beams 71 to form a U-shaped bottom side end fillet.
The supporting frame columns 5 are distributed in a space enclosed by the inner side 3 of the horseshoe wall and between the supporting side columns 4 and the inner side 3 of the horseshoe wall, and are two rows of columns which are transversely symmetrically arranged along two sides of the longitudinal center line of the steel roof truss and longitudinally spaced. In this embodiment, the support frame columns 5 are ten in total to form two rows of five. Two rows of support frame columns are longitudinally arranged along the extension lines of the two bottom side columns in the middle.
The support ring columns 6 are distributed at intervals along the position of the inner side 3 of the horseshoe wall and are arranged in a left-right symmetrical mode until the position of the longitudinal extension line of the foremost support frame column 5. In this embodiment, the support ring posts 6 have twelve support ring posts, five of which are provided along the longitudinal left and right sides, respectively, and two of which are provided longitudinally in alignment with the extension lines of the support frame posts.
The top surfaces of the supporting side columns 4 and the supporting ring columns 6 are positioned in the same plane with the top surface of the roof structure beam.
The support edge beam 7 comprises an edge column beam 71 fixedly connected between the support edge columns 4, an edge frame beam 72 fixedly connected between the bottom edge column 41 and the support frame column 5, and a side ring beam 73 fixedly connected between the side column 43 and the support ring column 6. Wherein the side ring beams 73 are arranged along the inner side 3 of the horseshoe wall. Within the scope of the U-shaped bottom edge end fillet, the side column beam 71, the side frame beam 72 and the side ring beam 73, a reinforcing beam can be additionally arranged between the beam columns or the beam beams, so as to ensure the formation of the U-shaped bottom edge end fillet area.
The supporting frame main beam 8 is fixedly connected between the supporting frame columns 5, the supporting frame main beam 8 and the supporting frame columns 5 form two steel roof truss internal longitudinal lines, and the supporting frame main beam 8 comprises a longitudinal main beam 81 and a transverse main beam 82. The support frame secondary beams 9 are provided with a group and fixedly connected between the longitudinal main beams 81. The support frame secondary beams 9 can be transversely arranged, and longitudinal secondary beams can also be continuously added between the support frame secondary beams 9, so that the structural stability is ensured.
The roof ring beam 10 is arranged along the inner side 3 of the horseshoe wall and fixedly connected between the support ring columns 6. In this embodiment, in order to strengthen the support of the roof structure, all the roof ring beams 10 from the initial truss column 61 to the front are truss ring beams, and the roof ring beams 10 include a ring beam upper chord 10a, a ring beam lower chord 10b and a ring beam web member 10c.
Referring to fig. 7, the roof ring beam 10 is fixedly connected between the support ring columns 6, and meanwhile, two sides of the roof ring beam 10 are respectively connected with a roof cantilever beam 11 and a roof cantilever beam 12.
The roof cantilever beams 11 are provided with a group, the far ends of the roof cantilever beams are arranged along the inner side 3 of the horseshoe wall, and the two ends of the roof cantilever beams are respectively and fixedly connected between beam column members on the longitudinal line inside the steel roof truss and beam column members on the inner side 3 of the horseshoe wall. The roof cantilever beam 11 comprises a cantilever beam upper chord 11a, a cantilever beam lower chord 11b and a cantilever beam web member 11c. The beam-column member is a beam or column member, and the connection relationship between the beam-column member and other members includes beam-beam connection, beam-column connection or column-column connection.
Referring to fig. 8, the roof outrigger beam 11 is fixedly connected between the support frame column 5 and the support ring column 6, that is, the longitudinal line inside the steel roof truss is connected with the column on the inner side 3 of the horseshoe wall.
In this embodiment, all the roof outrigger beams 11 from the girder start column 61 to the front are the girder outriggers in order to reinforce the support of the roof structure. The truss outrigger beam comprises an outrigger cross beam 111, an outrigger longitudinal beam 112 and an outrigger oblique beam 113. The outrigger beams 111 are transversely arranged in parallel at intervals in the range between the transverse position of the truss starting column 61 and the transverse position of the truss posture distribution column 51, the outrigger longitudinal beams 112 are longitudinally arranged in parallel at intervals in the range between the truss posture distribution column 51 and the foremost support ring column 6, the outrigger inclined beams 113 are radially arranged at intervals in the range between the outrigger beams 111 and the outrigger longitudinal beams 112, one ends of the outrigger inclined beams are fixedly connected with column connecting ends of the adjacent outrigger beams 111, and the other ends of the outrigger inclined beams are fixedly connected with beam column members on the inner side edges of the horseshoe walls corresponding to the positions. The beam-column member is a beam or column member, and the connection relationship between the beam-column member and other members includes beam-beam connection, beam-column connection or column-column connection.
The roof cantilever beam 12 is provided with a group, the far end of the roof cantilever beam is arranged along the outer side 2 of the horseshoe wall, the inner end of the roof cantilever beam is fixedly connected with a beam column component on the inner side 3 of the horseshoe wall, and the far end of the roof cantilever beam 12 is connected into a whole through a roof edge upper connecting beam 15 arranged along the outer side 2 of the horseshoe wall.
Referring to fig. 8, the roof cantilever beam 12 is fixedly connected to the outer side of the support ring column 6, i.e. the roof cantilever beam 12 is connected to the column member. Referring to fig. 9, the roof cantilever beam 12 is fixedly connected to the outer side of the roof ring beam 10, that is, the roof cantilever beam 12 is connected to the beam member.
In this embodiment, in order to reinforce the support of the roof structure, all forward roof cantilever beams 12 of the initial truss column 61 are truss cantilever beams, each truss cantilever beam includes a cantilever beam 121, a cantilever girder 122 and a cantilever beam 123, each truss cantilever beam and an extension line of the installation position of the inner side truss cantilever beam are all set in a one-to-one correspondence manner, and the roof cantilever beam 12 includes a cantilever beam upper chord 12a, a cantilever beam lower chord 12b and a cantilever beam web member 12c.
The cantilever beam upper chord 12a and the cantilever beam lower chord 12b are fixedly connected into one point, the roof edge upper connecting beam 15 is connected with two adjacent points, the cantilever beam lower chord 12b is formed by bending and connecting two sections of components, and the two adjacent bending points are fixedly connected through the roof edge lower connecting beam 16.
In this embodiment, the support side columns 4, the support ring columns 6 and the support frame columns 5 are all square steel pipe columns, and may also be steel pipe concrete columns. The supporting side beams 7, the roof ring beam 10, the roof cantilever beam 11 and the roof cantilever beam 12 from the truss starting column 61 to the back are all I-shaped steel beams, and the supporting frame main beam 8 and the supporting frame secondary beam 9 are all I-shaped steel beams.
Longitudinal tension-connection reinforcing beams 14 are fixedly connected to the top surface of the roof cantilever beam 11 backwards from the truss starting column 61 in a bilateral symmetry mode, and the stability of the rear side of the horseshoe-shaped roof is guaranteed.
In the second embodiment, as shown in fig. 1-6 and fig. 9-13, unlike the first embodiment, the supporting frame column 5 is a double-layer steel roof truss structure, and includes a long column 52 and a short column 53, the short column 53 is located at the foremost end, and the top surface of the short column 53 and the top surface of the lower roof structure beam are located in the same plane, the top of the long column 52 extends out of the plane, and the four sides of the top of the long column 52 are fixedly connected with the connecting short beams 13. In this embodiment, the short column 53 and the truss posture distribution column 51 are the same column.
The roof in the first embodiment is a lower-layer roof structure beam, the long columns 52 are further provided with upper-layer roof structure beams which comprise upper-layer frame structures and upper-layer cantilever structures, the outer contour shape of each upper-layer frame structure is rectangular, each upper-layer frame structure beam comprises upper-layer frame longitudinal beams 17 and upper-layer frame cross beams 18 which are fixedly connected among the long columns 52, each connecting short beam 13 is connected with each upper-layer frame beam, the roof further comprises upper-layer frame secondary beams 19 which are fixedly connected among the upper-layer frame cross beams 18 at intervals, the outer contour shape of each upper-layer cantilever structure is horseshoe-shaped and comprises upper-layer boundary beams 20 which are arranged in a surrounding mode on contour lines and upper-layer cantilever beams 21 which are connected between the upper-layer boundary beams 20 and the upper-layer frame structures in a pulling mode,
the construction method of the horseshoe-shaped truss structural steel roof truss comprises the following construction steps:
step one, designing beam column installation positions and component sizes according to the horseshoe shape of the truss structural steel roof truss, and then processing each column and beam component in a factory;
step two, mounting a support side column 4, a support frame column 5 and a support ring column 6 on the existing structure, wherein the support side column comprises a bottom side column 41 and a side column 43, and the side column 43 is positioned on the outer side of the bottom side column 41;
step three, determining the position of the initial truss girder column 61, wherein the distance between the initial truss girder column 61 and the bottom edge column 41 is greater than the distance between the supporting frame column 5 on the last side and the bottom edge column 41;
step four, mounting a side column beam 71 between the support side columns 4, mounting a frame beam 72 between the bottom side column 41 and the support frame column 5, and mounting a side ring beam 73 between the side column 43 and the support ring column 6;
fifthly, mounting a main support frame beam 8 and a secondary support frame beam 9 between the support frame columns 5;
sixthly, mounting a roof ring beam 10 between the support ring columns 6;
step seven, installing a roof outrigger beam 11 between the beam column member on the longitudinal line in the steel roof truss and the beam column member on the inner side 3 of the horseshoe wall;
and step eight, mounting the roof cantilever beam 12 between the beam-column member on the inner side 3 of the horseshoe wall and the beam-column member on the outer side 2 of the horseshoe wall.
If the roof structure is a double-layer steel roof truss, then after step nine, an upper roof structural beam is constructed on the long column 52.
In the beam-column connection, the beam-beam connection and the column-column connection of the construction method, the fixed connection is anchor bolt fixed connection or welded fixed connection. The upper side surfaces of all the components are pre-formed with pegs.
Claims (3)
1. The utility model provides a horse-shoe truss structure steel roof truss which characterized in that: the roof structure beam comprises a roof support column and a roof structure beam, wherein the top surface of the roof structure beam is positioned in the same plane, the outer contour of a support steel roof truss in the plane is in a horseshoe shape with bilateral symmetry, the roof structure beam comprises a bottom edge (1) and two horseshoe wall outer side edges (2), the front end of each horseshoe wall outer side edge (2) is gradually closed in an arc shape to enclose, the inner contour of the steel roof truss comprises a horseshoe wall inner side edge (3) which is adaptive to the contour shape of the horseshoe wall outer side edge (2) and is arranged in a space enclosed by the horseshoe wall outer side edges (2), and a spacing distance is arranged between the horseshoe wall inner side edge (3) and the horseshoe wall outer side edge (2),
the roof support column comprises support side columns (4), support frame columns (5) and support ring columns (6), the roof structure beam comprises support side beams (7), support frame main beams (8), support frame secondary beams (9), a roof ring beam (10), a roof cantilever beam (11) and a roof cantilever beam (12),
the supporting frame columns (5) are distributed in the space enclosed by the inner side edge (3) of the horseshoe wall and between the supporting side columns (4) and the inner side edge (3) of the horseshoe wall, and are two rows of columns which are transversely symmetrically arranged along two sides of the longitudinal center line of the steel roof truss and longitudinally spaced,
the supporting ring columns (6) are distributed at intervals along the inner side edge (3) of the horseshoe wall and are arranged in a left-right symmetrical mode until the position of the longitudinal extension line of the foremost supporting frame column (5),
the supporting frame main beam (8) is fixedly connected between the supporting frame columns (5), the supporting frame main beam (8) and the supporting frame columns (5) form two longitudinal lines inside the steel roof truss, the supporting frame main beam (8) comprises a longitudinal main beam (81) and a transverse main beam (82),
the support frame secondary beams (9) are provided with a group and fixedly connected between the longitudinal main beams (81),
the roof ring beam (10) is arranged along the inner side edge (3) of the horseshoe wall and fixedly connected between the supporting ring columns (6),
the roof outrigger beams (11) are provided with a group, the far ends of the roof outrigger beams are arranged along the inner side (3) of the horseshoe wall, the two ends of the roof outrigger beams are respectively and fixedly connected between the beam column members on the longitudinal line in the steel roof truss and the beam column members on the inner side (3) of the horseshoe wall,
the roof cantilever beams (12) are provided with a group, the far ends of the roof cantilever beams are arranged along the outer side edge (2) of the U-shaped wall, the inner ends of the roof cantilever beams are fixedly connected with beam column members on the inner side edge (3) of the U-shaped wall, the far ends of the roof cantilever beams (12) are connected into a whole through roof edge upper connecting beams (15) arranged along the outer side edge (2) of the U-shaped wall,
the supporting side columns (4) comprise bottom side columns (41) which are distributed at intervals along the bottom side (1), two bottom side columns (41) at the outermost side are bottom side outer columns (42), the supporting side columns (4) further comprise side columns (43) which are respectively arranged close to the bottom side columns (41) along the position of the outer side edge (2) of the horseshoe wall, the side columns (43) are arranged at the outer side of the supporting side columns relative to the bottom side outer columns (42),
the first supporting ring column (6) close to the bottom side column (41) is a truss girder initial column (61), the front side of the transverse position of the first supporting ring column is a truss girder distribution initial position, the supporting frame column (5) at the foremost side is a truss girder attitude distribution column (51), the front side of the transverse position of the first supporting ring column is a truss girder arc attitude distribution initial position,
all the roof ring beams (10) from the truss initial column (61) to the front are truss ring beams, the roof ring beams (10) comprise ring beam upper chords (10 a), ring beam lower chords (10 b) and ring beam web members (10 c),
all roof outrigger beams (11) from the truss initial column (61) to the front are truss outrigger beams, and the roof outrigger beams (11) comprise outrigger beam upper chords (11 a), outrigger beam lower chords (11 b) and outrigger beam web members (11 c);
the truss outrigger beam comprises an outrigger beam (111), an outrigger longitudinal beam (112) and an outrigger oblique beam (113), wherein the outrigger beam (111) is transversely arranged in parallel at intervals in a range between the transverse position of a truss starting column (61) and the transverse position of a truss posture distribution column (51), the outrigger longitudinal beam (112) is longitudinally arranged in parallel at intervals in a range between the truss posture distribution column (51) and a support ring column (6) at the foremost side, the outrigger oblique beam (113) is arranged in a radiation-shaped interval in a range between the outrigger beam (111) and the outrigger longitudinal beam (112), one end of the outrigger beam is fixedly connected with a column connecting end of the adjacent outrigger beam (111), and the other end of the outrigger beam is fixedly connected with a beam column component on the inner side edge of the horseshoe wall corresponding to the position,
all the roof cantilever beams (12) forward from the truss initial column (61) are truss cantilever beams, each truss cantilever beam comprises a cantilever beam (121), a cantilever longitudinal beam (122) and a cantilever inclined beam (123), extension lines of mounting positions of each truss cantilever beam and an inner side truss cantilever beam are arranged in a one-to-one correspondence mode, each roof cantilever beam (12) comprises a cantilever beam upper chord (12 a), a cantilever beam lower chord (12 b) and a cantilever beam web member (12 c), wherein the cantilever beam upper chord (12 a) and the cantilever beam lower chord (12 b) are fixedly connected into one point at the outer end, the roof edge upper connecting beam (15) is connected with two adjacent points, the cantilever beam lower chord (12 b) is formed by bending and connecting two sections of components, and the two adjacent bending points are fixedly connected through the roof edge lower connecting beam (16),
the top surfaces of the supporting side columns (4) and the supporting ring columns (6) are positioned in the same plane with the top surface of the roof structure beam,
the supporting frame column (5) comprises a long column (52) and a short column (53), the short column (53) is positioned at the foremost end, the top surface of the short column and the top surface of the roof structure beam are positioned in the same plane, the top of the long column (52) extends out of the plane, and the four sides of the top of the long column (52) are fixedly connected with connecting short beams (13),
the supporting side beams (7) comprise side column beams (71) fixedly connected between the supporting side columns (4), frame beams (72) fixedly connected between the bottom side columns (41) and the supporting frame columns (5), side ring beams (73) fixedly connected between the side columns (43) and the supporting ring columns (6),
longitudinal pulling and connecting reinforcing beams (14) are fixedly connected on the top surface of the roof cantilever beam (11) backwards from the truss starting column (61) in a bilateral symmetry mode.
2. The horseshoe truss structural steel roof truss of claim 1, wherein: the supporting side columns (4), the supporting ring columns (6) and the supporting frame columns (5) are square steel pipe columns, the supporting side beams (7), the roof ring beams (10), the roof cantilever beams (11) and the roof cantilever beams (12) which are backward from the truss starting column (61) are I-shaped steel beams, and the supporting frame main beams (8) and the supporting frame secondary beams (9) are I-shaped steel beams.
3. A method of constructing a horseshoe truss structural steel roof truss as claimed in claim 1 or claim 2, wherein the steps of construction are as follows:
step one, designing beam column installation positions and component sizes according to the horseshoe shape of the truss structural steel roof truss, and then processing each column and beam component in a factory;
step two, mounting a supporting side column (4), a supporting frame column (5) and a supporting ring column (6) on the existing structure, wherein the supporting side column comprises a bottom side column (41) and a side column (43), and the side column (43) is positioned on the outer side of the bottom side column (41);
determining the position of a truss starting column (61), wherein the distance between the truss starting column (61) and a bottom edge column (41) is greater than the distance between a supporting frame column (5) on the last side and the bottom edge column (41);
step four, mounting a side column beam (71) between the supporting side columns (4), mounting a side frame beam (72) between the bottom side column (41) and the supporting frame column (5), and mounting a side ring beam (73) between the side column (43) and the supporting ring column (6);
fifthly, mounting a main supporting frame beam (8) and a secondary supporting frame beam (9) between the supporting frame columns (5);
sixthly, mounting a roof ring beam (10) between the support ring columns (6);
seventhly, installing a roof cantilever beam (11) between a beam column member on a longitudinal line inside the steel roof truss and a beam column member on the inner side edge (3) of the horseshoe wall;
step eight, installing a roof cantilever beam (12) between the beam column member on the inner side edge (3) of the horseshoe wall and the beam column member on the outer side edge (2) of the horseshoe wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311626.9A CN114775801B (en) | 2022-03-28 | 2022-03-28 | Horseshoe-shaped truss structure steel roof truss and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210311626.9A CN114775801B (en) | 2022-03-28 | 2022-03-28 | Horseshoe-shaped truss structure steel roof truss and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114775801A CN114775801A (en) | 2022-07-22 |
| CN114775801B true CN114775801B (en) | 2023-03-28 |
Family
ID=82425487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210311626.9A Active CN114775801B (en) | 2022-03-28 | 2022-03-28 | Horseshoe-shaped truss structure steel roof truss and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114775801B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0797867A (en) * | 1993-09-29 | 1995-04-11 | Mitsubishi Heavy Ind Ltd | Construction method of large-sized roof dome truss |
| CN107201779A (en) * | 2017-04-18 | 2017-09-26 | 清华大学建筑设计研究院有限公司 | A kind of batter post couples the structure of stress with wide span house cap |
| CN109440994A (en) * | 2018-12-26 | 2019-03-08 | 同济大学建筑设计研究院(集团)有限公司 | A kind of annular rope support construction and suspen-shell structure |
| CN110016972A (en) * | 2019-04-28 | 2019-07-16 | 江南大学 | A kind of overhanging type two layer of space intelligence cantilevered structure system of stability |
| CN110485566A (en) * | 2019-09-12 | 2019-11-22 | 天津大学建筑设计研究院 | A kind of petal space truss structural system of roof of large-span steel |
| CN210767235U (en) * | 2019-04-29 | 2020-06-16 | 江南大学 | Overhanging type double-layer space overhanging structure system |
| JP2020133328A (en) * | 2019-02-22 | 2020-08-31 | 株式会社竹中工務店 | Roof structure |
| CN112343233A (en) * | 2020-11-06 | 2021-02-09 | 山西五建集团有限公司 | Round roof space pipe truss structure and construction method thereof |
| CN112814248A (en) * | 2021-02-06 | 2021-05-18 | 青岛腾远设计事务所有限公司 | Spoke type wave cable membrane structure roof with three-dimensional outer ring truss |
| CN213418186U (en) * | 2020-08-27 | 2021-06-11 | 中国建筑一局(集团)有限公司 | Circular roofing steel truss structure |
| CN113931366A (en) * | 2021-09-30 | 2022-01-14 | 浙大城市学院 | Combined large-span orthogonal truss roof structure with double-arch three-dimensional truss four-corner landing support, forming method and application |
| CN215858228U (en) * | 2021-06-15 | 2022-02-18 | 同济大学建筑设计研究院(集团)有限公司 | Rhombic grid vertical surface structure system and large building vertical surface structure |
-
2022
- 2022-03-28 CN CN202210311626.9A patent/CN114775801B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0797867A (en) * | 1993-09-29 | 1995-04-11 | Mitsubishi Heavy Ind Ltd | Construction method of large-sized roof dome truss |
| CN107201779A (en) * | 2017-04-18 | 2017-09-26 | 清华大学建筑设计研究院有限公司 | A kind of batter post couples the structure of stress with wide span house cap |
| CN109440994A (en) * | 2018-12-26 | 2019-03-08 | 同济大学建筑设计研究院(集团)有限公司 | A kind of annular rope support construction and suspen-shell structure |
| JP2020133328A (en) * | 2019-02-22 | 2020-08-31 | 株式会社竹中工務店 | Roof structure |
| CN110016972A (en) * | 2019-04-28 | 2019-07-16 | 江南大学 | A kind of overhanging type two layer of space intelligence cantilevered structure system of stability |
| CN210767235U (en) * | 2019-04-29 | 2020-06-16 | 江南大学 | Overhanging type double-layer space overhanging structure system |
| CN110485566A (en) * | 2019-09-12 | 2019-11-22 | 天津大学建筑设计研究院 | A kind of petal space truss structural system of roof of large-span steel |
| CN213418186U (en) * | 2020-08-27 | 2021-06-11 | 中国建筑一局(集团)有限公司 | Circular roofing steel truss structure |
| CN112343233A (en) * | 2020-11-06 | 2021-02-09 | 山西五建集团有限公司 | Round roof space pipe truss structure and construction method thereof |
| CN112814248A (en) * | 2021-02-06 | 2021-05-18 | 青岛腾远设计事务所有限公司 | Spoke type wave cable membrane structure roof with three-dimensional outer ring truss |
| CN215858228U (en) * | 2021-06-15 | 2022-02-18 | 同济大学建筑设计研究院(集团)有限公司 | Rhombic grid vertical surface structure system and large building vertical surface structure |
| CN113931366A (en) * | 2021-09-30 | 2022-01-14 | 浙大城市学院 | Combined large-span orthogonal truss roof structure with double-arch three-dimensional truss four-corner landing support, forming method and application |
Non-Patent Citations (2)
| Title |
|---|
| 全国农业展览馆中西广场展厅张弦桁架屋盖设计;卫东等;《建筑结构》;20060625(第06期);第76-79页 * |
| 站房屋盖变形式变截面大跨度刚架安装技术;汪平等;《建筑技术》;20080415(第04期);第284-287页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114775801A (en) | 2022-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201433507Y (en) | Honeycomb beam and steel building frame | |
| CN111945541A (en) | Half-through tied arch bridge | |
| CN114775801B (en) | Horseshoe-shaped truss structure steel roof truss and construction method thereof | |
| CN111877559A (en) | Steel-wood mixed cross string arch shell structure | |
| CN217352896U (en) | Single-layer steel truss roof structure | |
| CN217325803U (en) | Double-layer steel truss roof structure | |
| CN109457592B (en) | V-shaped canyon long-span railway concrete arch bridge | |
| CN216892442U (en) | Multiple lower chord type large-span beam string structure | |
| CN109469257B (en) | Large-span gradual-change polygonal cross section parallel truss roof and construction method | |
| CN113502725A (en) | Assembled steel-wood combined arch bridge structure and construction method thereof | |
| CN111677118A (en) | Steel-aluminum alloy composite structure system | |
| CN111877560A (en) | Steel-wood mixed cross string arch structure | |
| CN211522928U (en) | Temporary buckling tower for self-anchored suspension bridge construction | |
| CN215561832U (en) | Highway-railway dual-purpose cantilever steel truss girder cable-stayed bridge with same-layer arranged highway and railway | |
| CN215563843U (en) | Side direction stable construction node of inverted triangle main truss on garbage pool roof | |
| CN210217261U (en) | Transformer substation framework structure | |
| CN215858489U (en) | Oblique net steel construction T type roof beam superstructure | |
| CN219753686U (en) | Double Y-shaped inclined column supporting system | |
| CN219240861U (en) | Large-span string triangular pyramid folded plate structure system | |
| CN109469256B (en) | Large-span gradual-change type cross-section parallel continuous truss roof and construction method | |
| CN210975550U (en) | Formwork support for capping construction by adopting beret frame | |
| CN212427531U (en) | Steel-aluminum alloy composite structure system | |
| CN220336117U (en) | Construction node of cantilever steel beam and concrete folded beam and column in Chinese type roof | |
| CN214459528U (en) | Board purlin combination system view bridge | |
| CN210117642U (en) | Bailey beam convenient to mount for bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |