CN110344531B - Coherent space steel pipe truss structure with hidden gold top and construction method thereof - Google Patents
Coherent space steel pipe truss structure with hidden gold top and construction method thereof Download PDFInfo
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- CN110344531B CN110344531B CN201910717383.7A CN201910717383A CN110344531B CN 110344531 B CN110344531 B CN 110344531B CN 201910717383 A CN201910717383 A CN 201910717383A CN 110344531 B CN110344531 B CN 110344531B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 230000001427 coherent effect Effects 0.000 title claims abstract description 22
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 22
- 239000010931 gold Substances 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
A coherent space steel pipe truss structure of a hidden gold roof and a construction method thereof comprise a first layer chord structure, a second layer chord structure, a third layer chord structure and a top surface grid structure; the outer edge line of the top surface grid structure is rectangular, and four corners of the rectangle are respectively recessed inwards to form a fourth recessed right angle; the third layer chord structure, the second layer chord structure and the first layer chord structure are all closed annular frames; the shape of each annular frame is the same as the shape of the outer edge line of the top surface grid structure, and the three annular frames are concentrically amplified from top to bottom in equal proportion; the first layer chord structure is connected with the second layer chord structure through a first connecting rod, and the second layer chord structure is connected with the third layer chord structure through a second connecting rod; the third chord member structure is connected with the top surface grid structure through a third inclined web member and a third inclined web member. The invention solves the technical problems of poor stress capability and unattractive shape of the traditional steel pipe truss structure.
Description
Technical Field
The invention belongs to the field of constructional engineering, and in particular relates to a coherent space steel pipe truss structure with a hidden gold top and a construction method thereof.
Background
The gold roof facing of the reconstruction and expansion project roof of a certain building is a copper plate, the gold roof is a Tibetan building style gold roof, and the lower side of the copper plate is a space steel pipe truss structure; the height of the gold roof eave is 35.55m, the plane size of the gold roof is 12m multiplied by 12m, the lower side of the gold roof copper veneer adopts a space steel pipe truss, and the space is magnificent and spectacular; in the traditional steel pipe truss, butt welding seams of the steel pipes are on the same line, so that the joint position becomes a stress weak area, and the structure is easy to break; in addition, the steel pipes are directly welded in a butt joint way, so that the structure is not attractive in appearance.
Disclosure of Invention
The invention aims to provide a coherent space steel pipe truss structure with a hidden gold top, which aims to solve the technical problems of poor stress capability and unattractive appearance of the traditional steel pipe truss structure.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
The intersecting space steel pipe truss structure of the hidden gold top comprises a first layer chord structure, a second layer chord structure, a third layer chord structure and a top surface grid structure which are sequentially arranged from bottom to top; the outer edge of the top surface grid structure is rectangular, and four corners of the rectangle are respectively recessed inwards to form a fourth recessed right angle; the third layer chord structure, the second layer chord structure and the first layer chord structure are all closed annular frames; the shape of each annular frame is the same as that of the outer edge line of the top surface grid structure, and is larger than the size of the outer edge line of the top surface grid structure; the three annular frames are concentrically amplified from top to bottom in equal proportion; the first layer chord structure is connected with the second layer chord structure through a first connecting rod, and the second layer chord structure is connected with the third layer chord structure through a second connecting rod; the third chord member structure is connected with the top surface grid structure through a third inclined web member and a third inclined web member; the inclination angle of the first connecting rod is equal to that of the second connecting rod and smaller than that of the third side inclined web member; four groups of corner stand columns and four groups of side stand columns are supported below the bottom of the second-layer chord structure, and each group of corner stand columns is correspondingly and alternately arranged at the corner position of the second-layer chord structure; each group of side upright posts are correspondingly arranged at the bottom of each side edge of the second-layer chord structure at intervals; the second layer chord member structure is internally provided with a horizontal pull rod frame which is positioned right below the top surface grid structure, and the pull rod frame is connected with the corresponding side upright post in a pull way through a first pull rod.
Preferably, the first layer chord structure comprises four first layer chords; wherein each first layer chord member is U-shaped; the four first layer chords are connected end to end in sequence to form a closed annular frame, and the connecting positions of two adjacent first layer chords form a first concave right angle; the second-layer chord structure comprises four second-layer chords; wherein each second layer chord member is U-shaped; the four second-layer chords are connected end to end in sequence to form a closed annular frame, and the connecting positions of two adjacent second-layer chords form a second concave right angle; the third-layer chord structure comprises four third-layer chords; wherein each third layer chord member is U-shaped; four third layer chords are connected end to end in proper order, form closed annular frame, and the junction position department of two adjacent third layer chords forms third indent right angle.
Preferably, a first side diagonal web member and a first angle diagonal web member are further connected between the first layer chord member structure and the second layer chord member structure; the four groups of first side diagonal web members are respectively and correspondingly connected between the side edges of the first layer of chord member structures and the side edges of the second layer of chord member structures; wherein, each group of first side inclined web members are arranged in parallel with the first connecting rod at intervals; the first angle inclined web members are provided with four groups and are respectively and correspondingly connected between the first concave right angle and the second concave right angle; at least three first angle diagonal web members are respectively connected between the two side edge end parts of the first concave right angle and the two side edge end parts of the second concave right angle and between the vertex angle of the first concave right angle and the vertex angle of the second concave right angle; a second side diagonal web member and a second angle diagonal web member are also connected between the second layer chord member structure and the third layer chord member structure; the second angle inclined web members are respectively and correspondingly connected between the second concave right angle and the third concave right angle; at least three second angle diagonal web members are respectively connected between the two side edge end parts of the second concave right angle and the two side edge end parts of the third concave right angle and between the vertex angle of the second concave right angle and the vertex angle of the third concave right angle; the four groups of second side diagonal web members are respectively and correspondingly connected between the side edge of the third-layer chord member structure and the side edge of the second-layer chord member structure or between the second-layer chord member structure and the second angle diagonal web members; wherein, each group of second side inclined web members are arranged in parallel and at intervals with the second connecting rods; the third inclined web members are respectively and correspondingly connected between the side edges of the third chord member structure and the side edges of the top surface grid structure; wherein, each group of third side inclined web members are arranged in parallel and at intervals; the third inclined web member is provided with four groups which are respectively and correspondingly connected between a third concave right angle and a fourth concave right angle; and each group of third inclined web members is at least three and is respectively connected between the two side edge end parts of the third concave right angle and the two side edge end parts of the fourth concave right angle and between the vertex angle of the third concave right angle and the vertex angle of the fourth concave right angle.
Preferably, the side stand column is correspondingly supported at the bottoms of the nodes of the first connecting rod, the second connecting rod and the second layer chord structure; the pull rod frame is rectangular and is formed by connecting four second pull rods end to end; each corner of the pull rod frame is connected with two corresponding side stand columns through two first pull rods respectively; a vertical supporting rod is arranged between the pull rod frame and the third-layer chord structure; the vertical support rods are supported at four fourth concave right-angle positions of the pull rod frame; each group of angle upright posts is provided with two angle upright posts which are correspondingly arranged below the nodes of the first angle inclined web member, the second angle inclined web member and the second indent right angle.
Preferably, the top surface of the side upright post is an inclined surface, and the inclined direction of the inclined surface is consistent with the inclined directions of the first connecting rod and the second connecting rod; a first slot is correspondingly formed in the side wall of the opposite side of the side upright post; a first lug plate is inserted into the first slot; wherein, both ends of the first ear plate extend out of the outer side of the first slot respectively, and the top of the first ear plate does not exceed the top of the first slot; the connecting end of the first connecting rod and the side stand column is provided with a second slot, and the connecting end of the second connecting rod and the side stand column is provided with a third slot; the two ends of the first lug plate, which are beyond the first slot, are respectively inserted into the second slot and the third slot, and are respectively and fixedly connected with the first connecting rod and the second connecting rod; a sealing head plate is plugged above the first lug plate; the end enclosure plate is fixedly connected to the top of the side stand column; arc grooves are formed in the tops of the corner upright posts and at the positions corresponding to the connection positions of the first corner diagonal web members, the second corner diagonal web members and the second concave right angles; the first angle inclined web member, the second angle inclined web member and the second concave right angle are correspondingly clamped in the arc-shaped groove and are respectively and fixedly connected with the angle upright post; the bottom of the corner upright post is provided with a bottom plate, the edge of the bottom plate exceeds the peripheral edge of the corner upright post, a connecting hole is formed in the exceeding part of the bottom plate, and a stiffening plate is connected between the exceeding part of the bottom plate and the corner upright post.
Preferably, a cross slot is formed in the bottom of the vertical support rod, and a cross lug plate is inserted in the cross slot; the first pull rod and the second pull rod around the vertical support rod are connected with the cross-shaped lug plate.
Preferably, the top surface grid structure comprises an outer frame, a group of transverse rods and a group of longitudinal rods, wherein the group of transverse rods and the group of longitudinal rods are arranged in the outer frame; the inner space of the outer frame is divided into a plurality of rectangular grids by the group of cross bars and the group of longitudinal bars; a longitudinal rod is arranged between the adjacent transverse rods, and a transverse rod is arranged between the adjacent longitudinal rods; the cross bars are hinged with the longitudinal bars through connecting plates.
Preferably, the inclination angle of the first connecting rod and the second connecting rod is 30-45 degrees; the inclination angle of the third side inclined web member and the third side inclined web member is 30-45 degrees.
A construction method of a coherent space steel pipe truss structure with a hidden gold top comprises the following steps.
Step one, plane position control: and (3) positioning the position of the intersection point of the plane of the vertical and horizontal shafts of the side stand column and the intersection point of the plane of the vertical and horizontal shafts of the corner stand column at the top of the column foundation, and adjusting the positions of embedded anchor bolts connecting the side stand column and the corner stand column, wherein the deviation of the longitudinal and horizontal plane positions of the embedded anchor bolts is not more than 3mm.
Step two, elevation control: and adjusting the embedded anchor bolts to ensure that the positive and negative errors of the design elevation are not more than 2mm.
And step three, manufacturing each component in the coherent space steel pipe truss structure, and transporting to a construction site.
And fourthly, respectively placing the side stand columns and the corner stand columns at corresponding positions for hoisting.
And fifthly, fixedly connecting the side stand column and the corner stand column with the column foundation respectively.
Step six, setting up an operation platform: and erecting a scaffold and a template as a mold for installing the coherent space steel pipe truss structure.
And seventhly, installing a second layer of chord structure at the tops of the side stand columns and the corner stand columns, and simultaneously connecting a first connecting rod and a second connecting rod at the tops of the side stand columns.
Step eight, sequentially installing a first layer of chord member structure and a third layer of chord member structure, arranging a first side diagonal web member and a first angle diagonal web member to connect the first layer of chord member structure with a second layer of chord member structure, and arranging a second side diagonal web member and a second angle diagonal web member to connect the second layer of chord member structure with the third layer of chord member structure.
And step nine, installing a top surface grid structure, and arranging a third inclined web member and a third inclined web member to connect the third chord member structure with the top surface grid structure.
Step ten, a pull rod frame is installed: correspondingly connecting the pull rod frame with the side upright post by using a first pull rod, and arranging a vertical support rod between the pull rod frame and the third layer chord structure; and finishing the construction.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The intersecting space steel pipe truss structure comprises a first layer chord structure, a second layer chord structure, a third layer chord structure and a top surface grid structure which are sequentially arranged from bottom to top, wherein four corners of a rectangular chord structure or a rectangular grid structure are recessed inwards to form a fourth recessed right angle; and the angle diagonal web member and the side diagonal web member are connected between adjacent chord member structures or in front of the chord member structures and the grid structures, so that the whole structure has good strength, rigidity and stability, and the whole structure has good spatial third dimension and attractive appearance.
2. The bottom of the vertical supporting rod is provided with a cross slot, and a cross lug plate is inserted in the cross slot; the first pull rod and the second pull rod around the vertical support rod are connected with the cross-shaped lug plate, and the connecting joint avoids welding connection between the rod pieces, so that the stress requirement is met, and the joint position is attractive.
3. The top surface of the side upright post is an inclined surface, and the inclined direction of the inclined surface is consistent with the inclined directions of the first connecting rod and the second connecting rod; a first slot is correspondingly formed in the side wall of the opposite side of the side upright post; a first lug plate is inserted into the first slot; wherein, both ends of the first ear plate extend out of the outer side of the first slot respectively, and the top of the first ear plate does not exceed the top of the first slot; the connecting end of the first connecting rod and the side stand column is provided with a second slot, and the connecting end of the second connecting rod and the side stand column is provided with a third slot; the two ends of the first lug plate, which are beyond the first slot, are respectively inserted into the second slot and the third slot and are fixedly connected with the first connecting rod and the second connecting rod; a sealing head plate is plugged above the first lug plate; the end enclosure plate is fixedly connected to the top of the side stand column; in addition, the end part of the first connecting rod, which is connected with the side stand column, is cut into an arc shape which is matched with the surface of the side stand column, and the end part of the first connecting rod is stuck on the surface of the side stand column and is welded with the side stand column; the end of one side of the second connecting rod connected with the side stand column is cut into an arc shape which is matched with the surface of the side stand column, the end of the second connecting rod is stuck on the surface of the side stand column and welded with the side stand column, the connecting rod is connected with the column and the lug plate, and the stress performance of the connecting rod is guaranteed by the double connection mode, so that the problem that the stress performance of the butt joint position of two components is poor is solved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view of a coherent space steel pipe truss structure of the present invention.
Fig. 2 is a schematic view of a first layer chord structure in accordance with the present invention.
Fig. 3 is a schematic view of a second layer chord structure in accordance with the present invention.
Fig. 4 is a schematic view of a third chord configuration according to the present invention.
Fig. 5 is a schematic view of a top grid structure in accordance with the present invention.
Fig. 6 is a schematic plan view of the vertical support bar and the node structure of the first pull bar and the second pull bar in the present invention.
Fig. 7 is a schematic elevation view of the joint structure of the vertical support rod, the first pull rod and the second pull rod in the invention.
Fig. 8 is a schematic plan view of a node structure of a first connecting rod and a second connecting rod in the present invention.
FIG. 9 is a schematic elevation view of a node structure of a first connecting rod and a second connecting rod according to the present invention.
FIG. 10 is a schematic elevational view of a side column according to the present invention.
Fig. 11 is a schematic elevational view of the corner post of the present invention.
Fig. 12 is a schematic plan view of the corner post of the present invention.
Fig. 13 is a schematic structural view of a draw bar frame in the present invention.
Fig. 14 is a schematic structural view of the present invention, in which the connection end of the first connection rod is provided with the second slot.
Fig. 15 is a schematic structural view of the present invention, in which a third slot is formed at a connection end of the second connecting rod.
Fig. 16 is a schematic view of the construction of the operation platform in the method of the present invention.
Reference numerals: 1-first layer chord structure, 1.1-first layer chord, 1.2-first indent right angle, 2-second layer chord structure, 2.1-second layer chord, 2.2-second indent right angle, 3-third layer chord structure, 3.1-third layer chord, 3.2-third indent right angle, 4-top grid structure, 4.1-fourth indent right angle, 4.2-outer frame, 4.3-cross bar, 4.4-longitudinal bar, 5-first pull bar, 6-first connecting bar, 7-second connecting bar, 8-third side diagonal web bar, 9-third side diagonal web bar, 10-corner upright, 11-side upright, 12-pull bar frame, 12.1-second pull bar, 13-first side diagonal web bar, 14-first diagonal web bar, 15-second side diagonal web bar, 16-second diagonal web bar, 17-first slot, 18-first plate, 19-second ear plate, 20-third ear plate, 21-third ear plate, 25-bottom plate, 21-third ear plate, 23-bottom plate, 25-cross-frame plate, bottom plate, 25-bottom plate, arc connection slot, and arc slot.
Detailed Description
As shown in fig. 1-15, the coherent space steel pipe truss structure of the hidden gold top comprises a first layer chord structure 1, a second layer chord structure 2, a third layer chord structure 3 and a top surface grid structure 4 which are sequentially arranged from bottom to top; the outer edge of the top surface grid structure 4 is rectangular, and four corners of the rectangle are respectively recessed inwards to form a fourth recessed right angle 4.1; the third-layer chord structure 3, the second-layer chord structure 2 and the first-layer chord structure 1 are all closed annular frames; wherein, the shape of each annular frame is the same as the shape of the outer edge line of the top surface grid structure 4, and is larger than the size of the outer edge line of the top surface grid structure 4; the three annular frames are concentrically amplified from top to bottom in equal proportion; the first layer chord structure 1 is connected with the second layer chord structure 2 through a first connecting rod 6, and the second layer chord structure 2 is connected with the third layer chord structure 3 through a second connecting rod 7; the third chord member structure 3 is connected with the top surface grid structure 4 through a third inclined web member 8 and a third inclined web member 9; the inclination angle of the first connecting rod 6 is equal to the inclination angle of the second connecting rod 7 and smaller than the inclination angle of the third side inclined web member 8; four groups of corner posts 10 and four groups of side posts 11 are supported below the bottom of the second-layer chord structure 2, each group of corner posts 10 is correspondingly and alternately arranged at the corner of the second-layer chord structure 2, and each group of side posts 11 is correspondingly and alternately arranged at the bottom of each side of the second-layer chord structure 2; the second-layer chord structure 2 is internally provided with a horizontal pull rod frame 12 which is positioned right below the top surface grid structure 4, and the pull rod frame 12 is connected with the corresponding side upright post 11 in a pull way through a first pull rod 5.
In this embodiment, the first layer chord structure 1 includes four first layer chords 1.1; wherein each first layer chord member 1.1 is U-shaped; the four first layer chords 1.1 are sequentially connected end to form a closed annular frame, and first concave right angles 1.2 are formed at the connecting positions of two adjacent first layer chords 1.1; the second-layer chord structure 2 comprises four second-layer chords 2.1; wherein each second layer chord member 2.1 is U-shaped; the four second-layer chords 2.1 are sequentially connected end to form a closed annular frame, and second concave right angles 2.2 are formed at the connecting positions of two adjacent second-layer chords 2.1; the third-layer chord structure 3 comprises four third-layer chords 3.1; wherein each third layer chord member 3.1 is U-shaped; the four third-layer chords 3.1 are connected end to end in sequence to form a closed annular frame, and the connecting positions of the two adjacent third-layer chords 3.1 form a third concave right angle 3.2.
In this embodiment, a first diagonal web member 13 and a first diagonal web member 14 are further connected between the first layer chord structure 1 and the second layer chord structure 2; the four groups of first side diagonal web members 13 are respectively and correspondingly connected between the side edges of the first layer chord member structure 1 and the side edges of the second layer chord member structure 2; wherein, each group of first side diagonal web members 13 are arranged in parallel and at intervals with the first connecting rod 6; the first angular web members 14 are four groups, and are respectively and correspondingly connected between the first concave right angle 1.2 and the second concave right angle 2.2; wherein, each group of first angle diagonal web members 14 has at least three, and is respectively connected between two side edge end parts of the first concave right angle 1.2 and two side edge end parts of the second concave right angle 2.2, and between the vertex angle of the first concave right angle 1.2 and the vertex angle of the second concave right angle 2.2; a second side diagonal web member 15 and a second angle diagonal web member 16 are also connected between the second layer chord member structure 2 and the third layer chord member structure 3; the second angle inclined web members 16 are four groups and are respectively and correspondingly connected between the second concave right angle 2.2 and the third concave right angle 3.2; wherein, each group of second angle diagonal web members 16 has at least three, and is respectively connected between two side edge end parts of the second concave right angle 2.2 and two side edge end parts of the third concave right angle 3.2 and between the vertex angle of the second concave right angle 2.2 and the vertex angle of the third concave right angle 3.2; the second diagonal web members 15 are respectively and correspondingly connected between the side edge of the third-layer chord member structure 3 and the side edge of the second-layer chord member structure 2 or between the second-layer chord member structure 2 and the second diagonal web members 16; wherein, each group of second side diagonal web members 15 are arranged at intervals in parallel with the second connecting rod 7; the third side diagonal web members 8 are respectively and correspondingly connected between the side edges of the third layer chord member structure 3 and the side edges of the top surface grid structure 4; wherein, each group of third side inclined web members 8 are arranged in parallel at intervals; the third inclined web member 9 is provided with four groups, and is correspondingly connected between a third concave right angle 3.2 and a fourth concave right angle 4.1 respectively; wherein, every group of third angle diagonal web member 9 has three at least, connects respectively between the both sides limit of third indent right angle 3.2 and the both sides limit of fourth indent right angle 4.1 end and between the apex angle of third indent right angle 3.2 and the apex angle of fourth indent right angle 4.1.
In this embodiment, two ends of the first side diagonal member 13 are cut into an arc shape corresponding to the outer surface of the chord structure on the corresponding side, and two ends of the first side diagonal member 13 are respectively attached to the outer surface of the chord structure on the corresponding side and are welded with the chord structure on the corresponding side; the two ends of the first diagonal web member 14 are cut into an arc shape which is matched with the outer surface of the chord structure on the corresponding side, and the two ends of the first diagonal web member 14 are respectively attached to the outer surface of the chord structure on the corresponding side and are welded and connected with the chord structure on the corresponding side; the two ends of the second side inclined web member 15 are cut into an arc shape which is matched with the outer surface of the chord structure on the corresponding side, and the two ends of the second side inclined web member 15 are respectively attached to the outer surface of the chord structure on the corresponding side and are welded with the chord structure on the corresponding side; the two ends of the second angular diagonal web member 16 are cut into an arc shape corresponding to the outer surface of the chord structure on the corresponding side, and the two ends of the second angular diagonal web member 16 are respectively attached to the outer surface of the chord structure on the corresponding side and are welded and connected with the chord structure on the corresponding side; the second side inclined web member 15 is arranged corresponding to the first side inclined web member 13, and when the first angle inclined web member 14 and the second angle inclined web member 16 are welded, the welding seam is full, which is equivalent to the fact that the second side inclined web member 15 is communicated with the first side inclined web member 13, and the first angle inclined web member 14 and the second angle inclined web member 16 form a phase inertia space steel pipe truss.
In this embodiment, the side stand 11 is correspondingly supported at the bottoms of the nodes of the first connecting rod 6, the second connecting rod 7 and the second layer chord structure 2; the pull rod frame 12 is rectangular and is formed by connecting four second pull rods 12.1 end to end; each corner of the pull rod frame 12 is connected with two corresponding side upright posts 11 through two first pull rods 5; a vertical supporting rod 26 is supported between the pull rod frame 12 and the third-layer chord structure 3; the vertical support rods 26 are supported at the four fourth concave right angles 4.1 of the pull rod frame 12; two corner posts 10 of each group are correspondingly arranged below the nodes of the first corner diagonal web member 14, the second corner diagonal web member 16 and the second concave right angle 2.2.
In this embodiment, the top surface of the side upright 11 is an inclined surface, and the inclination direction of the inclined surface is consistent with the inclination directions of the first connecting rod 6 and the second connecting rod 7; a first slot 17 is correspondingly formed on the side wall of the opposite side of the side upright post 11; a first ear plate 18 is inserted into the first slot 17; wherein, both ends of the first ear plate 18 extend out of the outer side of the first slot 17 respectively, and the top of the first ear plate 18 does not exceed the top of the first slot 17; the connecting end of the first connecting rod 6 and the side upright post 11 is provided with a second slot 19, and the connecting end of the second connecting rod 7 and the side upright post 11 is provided with a third slot 20; the two ends of the first lug plate 18, which exceed the first slot 17, are respectively inserted into the second slot 19 and the third slot 20 and are fixedly connected with the first connecting rod 6 and the second connecting rod 7; a closure head plate 21 is plugged above the first lug plate 18; the end closure plate 21 is fixedly connected to the top of the side upright post 11; an arc-shaped groove 22 is formed at the top of the corner upright post 10 and at the connecting position corresponding to the first corner diagonal web member 14, the second corner diagonal web member 16 and the second concave right angle 2.2; the first angle inclined web member 14, the second angle inclined web member 16 and the second concave right angle 2.2 are correspondingly clamped in the arc-shaped groove 22 and are respectively and fixedly connected with the angle upright post 10; the bottom of the corner upright post 10 is provided with a bottom plate 23, the edge of the bottom plate 23 exceeds the peripheral edge of the corner upright post 10, a connecting hole 24 is formed in the exceeding part of the bottom plate 23, and a stiffening plate 25 is connected between the exceeding part of the bottom plate 23 and the corner upright post 10.
In this embodiment, the end of the first connecting rod 6 at the side where the first connecting rod is connected with the side stand 11 is cut into an arc shape corresponding to the surface of the side stand 11, and the end of the first connecting rod 6 is attached to the surface of the side stand 11 and welded with the side stand 11; the end part of the side, connected with the side stand column 11, of the second connecting rod 7 is cut into an arc shape which is matched with the surface of the side stand column 11, and the end part of the second connecting rod 7 is stuck on the surface of the side stand column 11 and is welded with the side stand column 11; and the welding seams are full during welding, and are identical to the first connecting rod 6 and the second connecting rod 7, so that the phase inertia space steel pipe truss is formed.
In this embodiment, a cross slot 27 is formed at the bottom of the vertical support bar 26, and a cross ear plate 28 is inserted in the cross slot 27; the first pull rod 5 and the second pull rod 12.1 around the vertical support rod 26 are connected with a cross-shaped lug plate 28.
In this embodiment, the top grid structure 4 includes an outer frame 4.2, a set of cross bars 4.3 and a set of longitudinal bars 4.4 disposed in the outer frame 4.2; the inner space of the outer frame 4.2 is divided into a plurality of rectangular grids by the group of cross bars 4.3 and the group of longitudinal bars 4.4; a longitudinal rod 4.4 is arranged between the adjacent transverse rods 4.3, and the transverse rods 4.3 are arranged between the adjacent longitudinal rods 4.4; the cross rod 4.3 is hinged with the longitudinal rod 4.4 through a connecting plate.
In this embodiment, the inclination angle of the first connecting rod 6 and the second connecting rod 7 is 30 ° to 45 °; the inclination angle of the third inclined web member 8 and the third inclined web member 9 is 30-45 degrees.
In this embodiment, the bottom of the cross-shaped ear plate 28 is connected with a bottom ear plate 30, and a round hole is formed in the bottom ear plate 30 for hooking a hook, so as to play a role in lifting.
The construction method of the coherent space steel pipe truss structure with the hidden gold roof comprises the following steps.
Step one, plane position control: and (3) comparing with a design drawing, positioning the position of the intersection point of the vertical and horizontal axes of the side stand column 11 and the position of the intersection point of the vertical and horizontal axes of the corner stand column 10 at the top of the poured column foundation, popping up the intersection point ten lines by using a bucket, and adjusting the positions of embedded anchors connecting the side stand column 11 and the corner stand column 10 according to the intersection point ten lines, wherein the longitudinal and transverse plane position deviation of the embedded anchors is not more than 3mm.
Step two, elevation control: and adjusting the embedded anchor bolts to a design elevation positive and negative error of not more than 2mm by adopting a level gauge.
And step three, manufacturing each component in the coherent space steel pipe truss structure, and transporting to a construction site.
And fourthly, respectively placing the side stand column 11 and the corner stand column 10 at corresponding positions, drawing a control center line, and then hoisting.
Fifthly, adopting a theodolite or a magnetic seat plumb line in the 90-degree direction, controlling the central suspension line of the axes of the side upright post 11 and the corner upright post 10, screwing the embedded anchor bolts, after the side upright post 11 and the corner upright post 10 are corrected to be firmly screwed, welding the post bottom and the embedded plate in the post foundation in a girth welding manner, and then carrying out secondary grouting pouring.
Step six, setting up an operation platform, as shown in fig. 16: setting up a scaffold 29 and a template as a mold for installing the coherent space steel pipe truss structure; the scaffold 29 is a full-hall scaffold.
And step seven, installing a second layer chord structure 2 on the tops of the side uprights 11 and the corner uprights 10, and simultaneously connecting a first connecting rod 6 and a second connecting rod 7 on the tops of the side uprights 11.
Step eight, the first layer chord member structure 1 and the third layer chord member structure 3 are sequentially installed, the first side diagonal web members 13 and the first angle diagonal web members 14 are arranged to connect the first layer chord member structure 1 with the second layer chord member structure 2, and the second side diagonal web members 15 and the second angle diagonal web members 16 are arranged to connect the second layer chord member structure 2 with the third layer chord member structure 3.
Step nine, installing the top grid structure 4, and providing third side diagonal members 8 and third diagonal members 9 to connect the third layer chord structure 3 with the top grid structure 4.
Step ten, mounting a pull rod frame 12: the first pull rod 5 is utilized to correspondingly connect the pull rod frame 12 with the side upright post 11, and a vertical support rod 26 is arranged between the pull rod frame 12 and the third layer chord structure 3; and finishing the construction.
In this embodiment, the corner post 10 is welded to the bottom plate 23; the corner post 10 is connected to the ground by an embedded anchor bolt penetrating through the connecting hole 24, and toe grouting is performed with fine stone at the bottom of the bottom plate 23.
In the sixth embodiment, the heights of the upright posts in the scaffold 29 are all adjusted by U-brackets.
In the present embodiment, the periphery of the scaffold 29 in the step six is tied with the frame column 31 of the main body structure, and the tie points should be set in time along with the rise of the scaffold 29, so that any dismantling is forbidden; the wall connecting piece of the scaffold 29 is designed in a mode of being held by a column, and the scaffold 29 and the poured frame column 31 are fixed together to form a whole.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate the present invention, not to limit the scope of the present invention, and all applications that come from simple variations of the present invention fall within the scope of the present invention.
Claims (7)
1. The utility model provides a coherent space steel pipe truss structure of collection formula gold top which characterized in that: the novel chord structure comprises a first layer chord structure (1), a second layer chord structure (2), a third layer chord structure (3) and a top surface grid structure (4) which are sequentially arranged from bottom to top; the outer edge of the top surface grid structure (4) is rectangular, and four corners of the rectangle are recessed inwards to form a fourth recessed right angle (4.1); the top surface grid structure (4) comprises an outer frame (4.2), a group of cross bars (4.3) and a group of longitudinal bars (4.4) which are arranged in the outer frame (4.2); the inner space of the outer frame (4.2) is divided into a plurality of rectangular grids by the group of cross bars (4.3) and the group of longitudinal bars (4.4); a longitudinal rod (4.4) is arranged between the adjacent transverse rods (4.3), and the transverse rods (4.3) are arranged between the adjacent longitudinal rods (4.4); the cross rod (4.3) is hinged with the longitudinal rod (4.4) through a connecting plate; the first-layer chord structure (1) comprises four first-layer chords (1.1); wherein each first layer chord member (1.1) is U-shaped; four first layer chords (1.1) are connected end to end in sequence to form a closed annular frame, and first concave right angles (1.2) are formed at the connecting positions of two adjacent first layer chords (1.1); the second-layer chord structure (2) comprises four second-layer chords (2.1); wherein each second layer chord member (2.1) is U-shaped; four second-layer chords (2.1) are sequentially connected end to form a closed annular frame, and second concave right angles (2.2) are formed at the connecting positions of two adjacent second-layer chords (2.1); the third-layer chord structure (3) comprises four third-layer chords (3.1); wherein each third layer chord member (3.1) is U-shaped; the four third-layer chords (3.1) are sequentially connected end to form a closed annular frame, and third concave right angles (3.2) are formed at the connecting positions of two adjacent third-layer chords (3.1); the third-layer chord structure (3), the second-layer chord structure (2) and the first-layer chord structure (1) are all closed annular frames; the shape of each annular frame is the same as the shape of the outer edge line of the top surface grid structure (4), and is larger than the size of the outer edge line of the top surface grid structure (4); the three annular frames are concentrically amplified from top to bottom in equal proportion; the first layer chord structure (1) is connected with the second layer chord structure (2) through a first connecting rod (6), and the second layer chord structure (2) is connected with the third layer chord structure (3) through a second connecting rod (7); the third chord member structure (3) is connected with the top surface grid structure (4) through a third inclined web member (8) and a third inclined web member (9); the inclination angle of the first connecting rod (6) is equal to the inclination angle of the second connecting rod (7) and smaller than the inclination angle of the third side inclined web member (8); four groups of corner stand columns (10) and four groups of side stand columns (11) are supported below the bottom of the second-layer chord structure (2), each group of corner stand columns (10) is correspondingly and alternately arranged at the corner position of the second-layer chord structure (2), and each group of side stand columns (11) is correspondingly and alternately arranged at the bottom of each side edge of the second-layer chord structure (2); the inside of second layer chord member structure (2), be provided with horizontal pull rod frame (12) under top surface net structure (4) to connect through first pull rod (5) between pull rod frame (12) and corresponding limit stand (11).
2. The coherent space steel pipe truss structure of Tibetan-style gold top of claim 1, wherein: a first side diagonal web member (13) and a first angle diagonal web member (14) are also connected between the first layer chord member structure (1) and the second layer chord member structure (2); the four groups of first side diagonal web members (13) are respectively and correspondingly connected between the side edges of the first layer of chord member structures (1) and the side edges of the second layer of chord member structures (2); wherein, each group of first side inclined web members (13) and the first connecting rod (6) are arranged at intervals in parallel; the four groups of first angle inclined web members (14) are respectively and correspondingly connected between the first concave right angle (1.2) and the second concave right angle (2.2); wherein, each group of first angle inclined web members (14) is at least three, and is respectively connected between the two side edge end parts of the first concave right angle (1.2) and the two side edge end parts of the second concave right angle (2.2) and between the vertex angle of the first concave right angle (1.2) and the vertex angle of the second concave right angle (2.2); a second side diagonal web member (15) and a second angle diagonal web member (16) are also connected between the second layer chord member structure (2) and the third layer chord member structure (3); the second angle inclined web members (16) are respectively and correspondingly connected between the second concave right angle (2.2) and the third concave right angle (3.2); at least three second angle diagonal web members (16) are respectively connected between two side edge end parts of the second concave right angle (2.2) and two side edge end parts of the third concave right angle (3.2) and between the vertex angle of the second concave right angle (2.2) and the vertex angle of the third concave right angle (3.2); the second side diagonal web members (15) are respectively and correspondingly connected between the side edges of the third-layer chord member structure (3) and the side edges of the second-layer chord member structure (2) or between the second-layer chord member structure (2) and the second angle diagonal web members (16); wherein, each group of second side inclined web members (15) and the second connecting rods (7) are arranged at intervals in parallel; the third inclined web members (8) are respectively and correspondingly connected between the side edges of the third chord member structure (3) and the side edges of the top surface grid structure (4); wherein, each group of third side diagonal web members (8) are arranged at intervals in parallel; the third inclined web member (9) is provided with four groups which are respectively and correspondingly connected between the third concave right angle (3.2) and the fourth concave right angle (4.1); at least three third inclined web members (9) are respectively connected between two side edge end parts of the third concave right angle (3.2) and two side edge end parts of the fourth concave right angle (4.1) and between the vertex angle of the third concave right angle (3.2) and the vertex angle of the fourth concave right angle (4.1).
3. The coherent space steel pipe truss structure of Tibetan-style gold top of claim 2, wherein: the side stand column (11) is correspondingly supported at the bottoms of the nodes of the first connecting rod (6), the second connecting rod (7) and the second layer chord structure (2); the pull rod frame (12) is rectangular and is formed by connecting four second pull rods (12.1) end to end; each corner of the pull rod frame (12) is connected with two corresponding side upright posts (11) through two first pull rods (5) respectively; a vertical supporting rod (26) is supported between the pull rod frame (12) and the third-layer chord structure (3); the vertical support rods (26) are supported at the positions of four fourth concave right angles (4.1) of the pull rod frame (12); each group of angle upright posts (10) is correspondingly arranged below the nodes of the first angle inclined web member (14), the second angle inclined web member (16) and the second indent right angle (2.2).
4. A coherent space steel pipe truss structure of a Tibetan-like gold top according to claim 3, wherein: the top surface of the side upright post (11) is an inclined surface, and the inclined direction of the inclined surface is consistent with the inclined directions of the first connecting rod (6) and the second connecting rod (7); a first slot (17) is correspondingly arranged on the side wall of the opposite side of the side upright post (11); a first lug plate (18) is inserted into the first slot (17); wherein, both ends of the first ear plate (18) respectively extend out of the outer side of the first slot (17), and the top of the first ear plate (18) does not exceed the top of the first slot (17); the connecting end of the first connecting rod (6) and the side stand column (11) is provided with a second slot (19), and the connecting end of the second connecting rod (7) and the side stand column (11) is provided with a third slot (20); the two ends of the first lug plate (18) beyond the first slot (17) are respectively inserted into the second slot (19) and the third slot (20) and fixedly connected with the first connecting rod (6) and the second connecting rod (7); a sealing head plate (21) is plugged above the first lug plate (18); the end closure plate (21) is fixedly connected to the top of the side upright post (11); an arc-shaped groove (22) is formed in the top of the corner upright post (10) and at the connecting position corresponding to the first corner diagonal web member (14), the second corner diagonal web member (16) and the second concave right angle (2.2); the first angle inclined web member (14), the second angle inclined web member (16) and the second concave right angle (2.2) are correspondingly clamped in the arc-shaped groove (22) and are fixedly connected with the angle upright post (10) respectively; the bottom of the corner upright post (10) is provided with a bottom plate (23), the edge of the bottom plate (23) exceeds the peripheral edge of the corner upright post (10), a connecting hole (24) is formed in the exceeding part of the bottom plate (23), and a stiffening plate (25) is connected between the exceeding part of the bottom plate (23) and the corner upright post (10).
5. A coherent space steel pipe truss structure of a Tibetan-like gold top according to claim 3, wherein: a cross slot (27) is formed in the bottom of the vertical supporting rod (26), and a cross lug plate (28) is inserted into the cross slot (27); the first pull rod (5) and the second pull rod (12.1) around the vertical support rod (26) are connected with the cross-shaped lug plate (28).
6. The coherent space steel pipe truss structure of Tibetan-style gold top of claim 1, wherein: the inclination angle of the first connecting rod (6) and the second connecting rod (7) is 30-45 degrees; the inclination angle of the third inclined web member (8) and the third inclined web member (9) is 30-45 degrees.
7. A method of constructing a coherent space steel pipe truss structure of a Tibetan-style top of gold as set forth in any one of claims 1 to 6, comprising the steps of:
Step one, plane position control: positioning the position of the plane intersection point of the longitudinal and transverse shafts of the side stand column (11) and the position of the plane intersection point of the longitudinal and transverse shafts of the corner stand column (10) at the top of the column foundation, and adjusting the positions of embedded anchors connecting the side stand column (11) and the corner stand column (10), wherein the longitudinal and transverse plane position deviation of the embedded anchors is not more than 3mm;
Step two, elevation control: adjusting the embedded anchor bolts to ensure that the positive and negative errors of the design elevation are not more than 2mm;
step three, manufacturing each component in the coherent space steel pipe truss structure, and transporting to a construction site;
step four, the side stand column (11) and the corner stand column (10) are respectively placed at corresponding positions for hoisting;
step five, fixedly connecting the side stand column (11) and the corner stand column (10) with a column foundation respectively;
step six, setting up an operation platform: setting up a scaffold (29) and a template as a mold for installing the coherent space steel pipe truss structure;
Step seven, installing a second layer chord structure (2) on the tops of the side stand columns (11) and the corner stand columns (10), and simultaneously connecting a first connecting rod (6) and a second connecting rod (7) on the tops of the side stand columns (11);
Step eight, sequentially installing a first layer chord member structure (1) and a third layer chord member structure (3), arranging a first side inclined web member (13) and a first angle inclined web member (14) to connect the first layer chord member structure (1) with a second layer chord member structure (2), and arranging a second side inclined web member (15) and a second angle inclined web member (16) to connect the second layer chord member structure (2) with the third layer chord member structure (3);
Step nine, installing a top surface grid structure (4), and arranging a third inclined web member (8) and a third inclined web member (9) to connect the third chord member structure (3) with the top surface grid structure (4);
Step ten, installing a pull rod frame (12): the pull rod frame (12) is correspondingly connected with the side upright post (11) by utilizing the first pull rod (5), and a vertical support rod (26) is arranged between the pull rod frame (12) and the third-layer chord structure (3); and finishing the construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717383.7A CN110344531B (en) | 2019-08-05 | Coherent space steel pipe truss structure with hidden gold top and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717383.7A CN110344531B (en) | 2019-08-05 | Coherent space steel pipe truss structure with hidden gold top and construction method thereof |
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| Publication Number | Publication Date |
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| CN110344531A CN110344531A (en) | 2019-10-18 |
| CN110344531B true CN110344531B (en) | 2024-05-31 |
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