CN213418186U - Circular roofing steel truss structure - Google Patents
Circular roofing steel truss structure Download PDFInfo
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- CN213418186U CN213418186U CN202021826050.2U CN202021826050U CN213418186U CN 213418186 U CN213418186 U CN 213418186U CN 202021826050 U CN202021826050 U CN 202021826050U CN 213418186 U CN213418186 U CN 213418186U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 105
- 239000010959 steel Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000013016 damping Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
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Abstract
A circular roof steel truss structure is arranged above a stand in the middle of a main body structure; the steel ring girder comprises a steel ring girder, a main truss and a secondary truss; frame columns are arranged around the stand; the frame columns are arranged in a group and are arranged at intervals along the circumferential direction; the frame column is provided with an annular plate; the annular plate has at least two layers; the bottom of the annular plate is provided with an upright post; a concrete ring beam is arranged at the top of the frame column; the upper part of the inner side surface of the frame column is provided with a bracket; the bracket is embedded with an embedded part; the steel ring beam is arranged inside the concrete ring beam; the main trusses are arranged between the concrete ring beam and the steel ring beam in a radial mode, the inner ends of the main trusses are fixedly connected with the steel ring beam, and the outer ends of the main trusses are lapped on the brackets; the upper chord of the main truss is an inclined rod which is gradually inclined downwards from the middle to the edge; a damping support is arranged between the main truss and the embedded part; the secondary trusses are disposed between adjacent primary trusses. The utility model provides a there is the technical problem of circular steel structure truss hoist and mount difficulty in traditional hoist and mount method.
Description
Technical Field
The utility model belongs to building structure engineering field, especially a circular roofing steel truss structure.
Background
In a certain construction project, the total building area is 62251.96 square meters, the installation engineering of the A1-A5 steel structures is full-professional construction, wherein the A5 steel structure is an annular steel truss, the main truss in the F3 steel truss is completely divided into two sections to be hoisted, the maximum section length is 16.5m, and the maximum weight of a single section is 19.5 t. All roof layer steel trusses are hoisted by a whole truss, the maximum length of each truss is 22.8m, and the maximum weight of each truss is 16 t. Due to the fact that the length of the truss is large, the weight of the truss is large, and the technical problem that the circular steel structure truss is difficult to hoist exists in the traditional hoisting method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a circular roofing steel truss structure will solve traditional hoist and mount method and have the technical problem of circular steel structure truss hoist and mount difficulty.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A circular roof steel truss structure is arranged above a stand in the middle of a main body structure; the steel ring girder comprises a steel ring girder, a main truss and a secondary truss;
frame columns are arranged around the stand; the frame columns are arranged in a group and are arranged at intervals along the circumferential direction; an annular plate is arranged on one group of frame columns; the annular plates are at least two layers and are arranged at intervals along the vertical direction, and a space is reserved between the annular plate on the uppermost layer and the top of the frame column; the bottom of the annular plate and the position close to the inner side edge of the annular plate are provided with upright posts in a supporting way; a concrete ring beam is arranged at the top of the group of frame columns; the upper part of the inner side surface of the frame column and the position close to the top part are provided with brackets; an embedded part is embedded in the bracket; the steel ring beam is arranged in the concrete ring beam and corresponds to the upper part of the frame column; the main trusses are arranged between the concrete ring beams and the steel ring beams in a radial mode, the inner ends of the main trusses are fixedly connected with the steel ring beams, and the outer ends of the main trusses are in lap joint with the brackets of the frame columns; the upper chord of the main truss is an inclined rod which is gradually inclined downwards from the middle to the edge; a damping support is arranged between the main truss and the embedded part; the secondary trusses are provided with a plurality of groups, and each group of secondary trusses are arranged between the adjacent main trusses and are arranged at intervals along the radial direction of the concrete ring beam.
Preferably, the upright posts are supported at the bottom of each annular plate, and the upright posts are arranged at intervals along the annular direction.
Preferably, the width of the annular plate is 4500 mm-4900 mm; the distance between the adjacent annular plates is adapted to the design layer height of the main body structure; the distance between the annular plate on the uppermost layer and the top of the frame column is 5200 mm-5600 mm.
Preferably, the cross-sectional dimension of the lower part of the frame column is larger than that of the upper part of the frame column; the width of the section of the frame column is 800 mm-1000 mm, and the length of the section of the frame column is 800 mm-1800 mm.
Preferably, the width of the concrete ring beam is 450 mm-550 mm, the height of the concrete ring beam is not less than 700mm, and the top surface of the concrete ring beam does not exceed the top surface of the frame column.
Preferably, the embedded part comprises an anchor plate, a first embedded rib and a second embedded rib; the anchor plate is embedded in the top of the bracket; the first embedded ribs are in a group and are connected to the bottom of the anchor plate at intervals; the first embedded ribs are straight ribs and are poured in concrete of the bracket; the second embedded ribs are provided with a group of embedded ribs which are connected to the bottom of the anchor plate at intervals; the second embedded steel bars are L-shaped steel bars and are poured in concrete of the bracket.
Preferably, the height of the main truss is 5400-5800 mm, and the inclination angle of the upper chord of the main truss is 2-4%.
Preferably, the height of the steel ring beam is not less than that of the main truss; the steel ring beam comprises a top steel ring, a bottom steel ring, a longitudinal support, a transverse support and a vertical connecting rod; the top steel ring and the bottom steel ring are arranged at intervals in the vertical direction, and the distance between the top steel ring and the bottom steel ring is 4400-4800 mm; the vertical connecting rods are arranged in a group and are connected between the top steel ring and the bottom steel ring at intervals along the circumferential direction; the longitudinal supports are arranged in the top steel ring and the bottom steel ring; the transverse struts are arranged in the top steel ring and the bottom steel ring.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The utility model discloses a circular roofing steel truss structure's hoist and mount and major structure's curtain installation and inside secondary structure build by laying bricks or stones and conflict each other, but even running, construction and saving the time limit for a project, solved the construction quality and the safety problem of large-span truss.
2. The round roof steel truss structure in the utility model is composed of a main truss and a secondary truss, and before the main truss, a steel ring beam is arranged at the central position of the main truss, and a bracket is arranged at the inner side of a frame column; when the main truss is hoisted, the inner end of the main truss is connected with the steel ring beam, the outer end of the main truss is erected on the bracket, and the embedded part is connected with the bracket; the utility model discloses hoist and mount process safe and reliable has solved the hoist and mount construction of the steel truss of circular roofing large-span, has saved the time limit for a project and has practiced thrift the cost.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the round roof steel truss structure of the utility model arranged above the stand.
Fig. 2 is a schematic structural diagram of the utility model with frame columns, concrete ring beams and ring plates arranged around the stand.
Fig. 3 is a schematic structural diagram of the middle steel ring beam of the present invention.
Fig. 4 is a schematic structural view of the utility model with a main truss lapped on the bracket.
Fig. 5 is a schematic structural diagram of the embedded part of the present invention.
Reference numerals: 1-stand, 2-steel ring beam, 2.1-top steel ring, 2.2-bottom steel ring, 2.3-longitudinal support, 2.4-transverse support, 2.5-vertical connecting rod, 3-main truss, 4-secondary truss, 5-frame column, 6-annular plate, 7-upright column, 8-concrete ring beam, 9-bracket, 10-embedded part, 10.1-anchor plate, 10.2-first embedded rib, 10.3-second embedded rib, 11-damping support, 12-main body structure, 13-parapet, 14-eaves gutter and 15-waterproof layer.
Detailed Description
As shown in fig. 1-5, the round roof steel truss structure is arranged above the stand 1 in the middle of the main structure 12; the steel ring girder comprises a steel ring girder 2, a main truss 3 and a secondary truss 4;
a frame column 5 is arranged around the stand 1; the frame columns 5 are arranged in a group and are arranged at intervals along the circumferential direction; an annular plate 6 is arranged on one group of frame columns 5; the annular plates 6 are at least two layers and are arranged at intervals along the vertical direction, and a space is reserved between the annular plate 6 at the uppermost layer and the top of the frame column 5; a vertical column 7 is supported at the bottom of the annular plate 6 and close to the inner side edge of the annular plate 6; a concrete ring beam 8 is arranged at the top of the group of frame columns 5; a bracket 9 is arranged at the upper part of the inner side surface of the frame column 5 and close to the top; an embedded part 10 is embedded in the bracket 9; the steel ring beam 2 is arranged in the concrete ring beam 8 and corresponds to the upper part of the frame column 5; the main trusses 3 are arranged between the concrete ring beam 8 and the steel ring beam 2 in a radial mode, the inner ends of the main trusses 3 are fixedly connected with the steel ring beam 2, and the outer ends of the main trusses 3 are lapped on the brackets 9 of the frame columns 5; the upper chord of the main truss 3 is an oblique rod which is gradually inclined downwards from the middle to the edge; a damping support 11 is arranged between the main truss 3 and the embedded part 10; the secondary trusses 4 are provided with a plurality of groups; each set of sub-trusses 4 is disposed between adjacent main trusses 3 and arranged at intervals in the radial direction of the concrete ring beam 8.
In this embodiment, a parapet wall 13 is arranged on the outer side of the top of the concrete ring beam 8 and along the outer edge of the concrete ring beam 8; an eaves gutter 14 is arranged on the parapet 13 at the top of the concrete ring beam 8; waterproof layers 15 are arranged at the tops of the main truss 3 and the secondary truss 4; the edge of the waterproof layer 15 extends into the gutter 14 and is attached to the inner side of the parapet wall 13.
In this embodiment, the columns 7 are supported at the bottom of each annular plate 6, and a group of columns 7 are arranged at intervals in the annular direction.
In the embodiment, the width of the annular plate 6 is 4500 mm-4900 mm; the spacing between adjacent annular plates 6 is adapted to the design level of the body structure 12; the distance between the annular plate 6 on the uppermost layer and the top of the frame column 5 is 5200 mm-5600 mm.
In this embodiment, the cross-sectional dimension of the frame column 5 at the lower part of the variable cross-sectional column of the frame column 5 is larger than the cross-sectional dimension of the upper part of the frame column 5; the width of the section of the frame column 5 is 800 mm-1000 mm, and the length of the section of the frame column 5 is 800 mm-1800 mm.
In this embodiment, the width of concrete ring beam 8 is 450mm ~550mm, and the height of concrete ring beam 8 is not less than 700mm, and the top surface of concrete ring beam 8 does not exceed the top surface of frame post 5.
In this embodiment, the embedded part 10 includes an anchor plate 10.1, a first embedded rib 10.2 and a second embedded rib 10.3; the anchor plate 10.1 is pre-embedded at the top of the bracket 9; the first embedded ribs 10.2 are provided with a group and are connected to the bottom of the anchor plate 10.1 at intervals; the first embedded ribs 10.2 are straight ribs and are poured in concrete of the bracket 9; the second embedded ribs 10.3 are provided with a group of embedded ribs which are connected to the bottom of the anchor plate 10.1 at intervals; the second embedded ribs 10.3 are L-shaped steel ribs and are poured in concrete of the bracket 9.
In the embodiment, the height of the main truss 3 is 5400 mm-5800 mm, and the inclination angle of the upper chord of the main truss 3 is 2% -4%.
In this embodiment, the height of the steel ring beam 2 is not less than the height of the main truss 3; the steel ring beam 2 comprises a top steel ring 2.1, a bottom steel ring 2.2, a longitudinal support 2.3, a transverse support 2.4 and a vertical connecting rod 2.5; the top steel ring 2.1 and the bottom steel ring 2.2 are arranged at intervals in the vertical direction, and the distance between the top steel ring 2.1 and the bottom steel ring 2.2 is 4400-4800 mm; the vertical connecting rods 2.5 are arranged in a group and are connected between the top steel ring 2.1 and the bottom steel ring 2.2 at intervals along the annular direction; the longitudinal support 2.3 is arranged in the top steel ring 2.1 and the bottom steel ring 2.2; the transverse struts 2.4 are arranged in the top steel ring 2.1 and the bottom steel ring 2.2.
In the embodiment, the main truss 3 and the secondary truss 4 are installed by adopting a method of ground part assembly-high-altitude jig support, and the main truss 3 is hoisted in place by adopting a 350t crawler after ground assembly is finished; the secondary truss 4 is hoisted by adopting a 1# tower crane, a 2# tower crane and a 220t truck crane; the strength of the road in the walking and hoisting areas of the crawler crane needs to meet the requirements.
In this embodiment, the construction method of the circular roof steel truss structure includes the following steps.
Step one, segmenting the main truss 3: the main truss 3 is completely divided into two sections for hoisting, the maximum length of the sections is 16.5m, and the maximum weight of a single section is 19.5 t.
Step two, arranging a supporting jig frame at the bottom of the steel ring beam 2: the supporting jig frame adopts a standardized jig frame, and the position of the jig frame to be arranged is positioned at the bottom of the steel ring beam 2 to be installed according to the structural distribution; the bottom of the supporting jig frame is provided with a steel section pad, and the upper part of the tire cap platform is provided with a jack for adjusting the elevation of the steel ring beam 2.
And step three, mounting the steel ring beam 2.
Step four, installing the main truss 3 and the secondary truss 4: the secondary trusses 4 are all hoisted by whole trusses, the maximum length of each secondary truss 4 is 22.8m, and the maximum weight of each secondary truss 4 is 16 t.
Step five, dismantling the support jig: the installation and the removal of the supporting jig frame are carried out by using the existing tower crane, and the removal of the jig frame is lifted out through the gap between the primary truss and the secondary truss until the construction is finished.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.
Claims (8)
1. A round roof steel truss structure is arranged above a stand (1) in the middle of a main body structure (12); the method is characterized in that: comprises a steel ring beam (2), a main truss (3) and a secondary truss (4);
a frame column (5) is arranged around the stand (1); the frame columns (5) are arranged in a group and are arranged at intervals along the circumferential direction; a group of frame columns (5) are provided with annular plates (6); the annular plates (6) are at least two layers and are arranged at intervals along the vertical direction, and a space is reserved between the annular plate (6) on the uppermost layer and the top of the frame column (5); an upright post (7) is supported at the bottom of the annular plate (6) and close to the inner side edge of the annular plate (6); a concrete ring beam (8) is arranged at the top of the group of frame columns (5); a bracket (9) is arranged at the upper part of the inner side surface of the frame column (5) and close to the top; an embedded part (10) is embedded in the bracket (9); the steel ring beam (2) is arranged in the concrete ring beam (8) and corresponds to the upper part of the frame column (5); the main trusses (3) are arranged between the concrete ring beam (8) and the steel ring beam (2) in a radial mode, the inner ends of the main trusses (3) are fixedly connected with the steel ring beam (2), and the outer ends of the main trusses (3) are lapped on the brackets (9) of the frame columns (5); the upper chord of the main truss (3) is an oblique rod which is gradually inclined downwards from the middle to the edge; a damping support (11) is arranged between the main truss (3) and the embedded part (10); the secondary trusses (4) are provided with a plurality of groups; each group of secondary trusses (4) is arranged between the adjacent main trusses (3) and arranged at intervals along the radial direction of the concrete ring beam (8).
2. The circular roofing steel truss structure of claim 1, wherein: the upright posts (7) are supported at the bottom of each annular plate (6) to form a group, and the upright posts (7) are arranged at intervals along the annular direction.
3. The circular roofing steel truss structure of claim 1, wherein: the width of the annular plate (6) is 4500 mm-4900 mm; the distance between the adjacent annular plates (6) is adapted to the design layer height of the main structure (12); the distance between the annular plate (6) on the uppermost layer and the top of the frame column (5) is 5200 mm-5600 mm.
4. The circular roofing steel truss structure of claim 1, wherein: the cross-sectional dimension of the lower part of the frame column (5) is larger than that of the upper part of the frame column (5); the width of the cross section of the frame column (5) is 800 mm-1000 mm, and the length of the cross section of the frame column (5) is 800 mm-1800 mm.
5. The circular roofing steel truss structure of claim 4, wherein: the width of concrete ring roof beam (8) is 450mm ~550mm, and the height of concrete ring roof beam (8) is not less than 700mm, and the top surface of concrete ring roof beam (8) does not surpass the top surface of frame post (5).
6. The circular roofing steel truss structure of claim 1, wherein: the embedded part (10) comprises an anchor plate (10.1), a first embedded rib (10.2) and a second embedded rib (10.3); the anchor plate (10.1) is pre-buried at the top of the bracket (9); the first embedded ribs (10.2) are provided with a group and are connected to the bottom of the anchor plate (10.1) at intervals; the first embedded ribs (10.2) are straight ribs and are poured in concrete of the bracket (9); the second embedded ribs (10.3) are provided with a group of embedded ribs which are connected to the bottom of the anchor plate (10.1) at intervals; the second embedded steel bar (10.3) is an L-shaped steel bar and is poured in concrete of the bracket (9).
7. The circular roofing steel truss structure of claim 1, wherein: the height of the main truss (3) is 5400-5800 mm, and the inclination angle of the upper chord of the main truss (3) is 2-4%.
8. The circular roofing steel truss structure of claim 7, wherein: the height of the steel ring beam (2) is not less than that of the main truss (3); the steel ring beam (2) comprises a top steel ring (2.1), a bottom steel ring (2.2), a longitudinal support (2.3), a transverse support (2.4) and a vertical connecting rod (2.5); the top steel ring (2.1) and the bottom steel ring (2.2) are arranged at intervals in the vertical direction, and the distance between the top steel ring (2.1) and the bottom steel ring (2.2) is 4400-4800 mm; the vertical connecting rods (2.5) are arranged in a group and are connected between the top steel ring (2.1) and the bottom steel ring (2.2) at intervals along the annular direction; the longitudinal support (2.3) is arranged in the top steel ring (2.1) and the bottom steel ring (2.2); the transverse struts (2.4) are arranged in the top steel ring (2.1) and the bottom steel ring (2.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826050.2U CN213418186U (en) | 2020-08-27 | 2020-08-27 | Circular roofing steel truss structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021826050.2U CN213418186U (en) | 2020-08-27 | 2020-08-27 | Circular roofing steel truss structure |
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| CN213418186U true CN213418186U (en) | 2021-06-11 |
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| CN202021826050.2U Active CN213418186U (en) | 2020-08-27 | 2020-08-27 | Circular roofing steel truss structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150807A (en) * | 2021-12-08 | 2022-03-08 | 中国航空规划设计研究总院有限公司 | Roof structure with rigid ring and building |
| CN114775801A (en) * | 2022-03-28 | 2022-07-22 | 中建二局安装工程有限公司 | Horseshoe-shaped truss structure steel roof truss and construction method thereof |
-
2020
- 2020-08-27 CN CN202021826050.2U patent/CN213418186U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150807A (en) * | 2021-12-08 | 2022-03-08 | 中国航空规划设计研究总院有限公司 | Roof structure with rigid ring and building |
| CN114150807B (en) * | 2021-12-08 | 2023-10-03 | 中国航空规划设计研究总院有限公司 | Roof structure with rigid ring and building |
| CN114775801A (en) * | 2022-03-28 | 2022-07-22 | 中建二局安装工程有限公司 | Horseshoe-shaped truss structure steel roof truss and construction method thereof |
| CN114775801B (en) * | 2022-03-28 | 2023-03-28 | 中建二局安装工程有限公司 | Horseshoe-shaped truss structure steel roof truss and construction method thereof |
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