CN204551891U - A kind of Spatial beam string structure and truss combining structure - Google Patents
A kind of Spatial beam string structure and truss combining structure Download PDFInfo
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- CN204551891U CN204551891U CN201520238524.4U CN201520238524U CN204551891U CN 204551891 U CN204551891 U CN 204551891U CN 201520238524 U CN201520238524 U CN 201520238524U CN 204551891 U CN204551891 U CN 204551891U
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Abstract
The utility model relates to civil engineering work construction applications, particularly relates to a kind of Spatial beam string structure and truss combining structure.This combining structure comprises beam string and steel truss, and described beam string is fixedly connected with by connected node with steel truss, and beam string comprises: suspension cable, rope support connected node under the beam that winds up, the flat web member that winds up, the diagonal web member that winds up, triangle strut, upper suspension cable; Two are winded up by the flat web member that winds up, the diagonal web member that winds up connection between beam, formation plane frame, or are connected to form Vierendeel truss between the peaceful web member of the beam that only winds up.Stress performance is superior, is applicable to various Complicated Loads situation, is suitable for span much larger than conventional purlin, saves purlin steel using amount and main structure steel using amount, improve the economy of structure, novel structure, bearing capacity are high, good stability, structure is self equilibrium systems, and construction is simple, and arrangement is flexible.
Description
Technical field
The utility model relates to civil engineering work construction applications, particularly relates to a kind of Spatial beam string structure and truss combining structure.
Background technology
Tension string beam structure be winded up by stiffening member, flexible cable lower edge, centre connect the structural system formed with strut, strut generation component is upwards made by stretch-draw lower edge drag-line, chord member is made to produce the internal forces distribution contrary with external loads effect, thus reduce the internal force of structure, reduce the distortion of structure.
For tension string beam structure, external load to the external action of structure and prestressing force the internal action to structure cancel out each other, therefore mainly bear the load contrary with antiarch direction; For reversed load, external load to the effect of structure and; Prestressing force effect superposes mutually, and prestressing force does not have advantageous effect, therefore effectively can not to bear the effect that reverse wind load and wind are inhaled.
Beam string is generally used in the longspan structure adopting light roof, and the building of this type, reverse wind load has been often the load case of control action, because which limit the scope of application of beam string.
Current large-span steel application is more and more, is widely used in the large-scale public building such as railway terminal, airport, stadiums, and the industrial construction such as large-span industrial building, warehouse.The roofing protective material of large-span steel building generally adopts metal sheet, and metal sheet connects in main structure by primary and secondary purlins; Main purlin generally adopts i-shape steel beam or steel beam with box shape, and because purlin is flexural member, span is limited and steel using amount is very large; Main structure spacing is controlled by purlin span completely, causes main structure spacing very close, and main structure steel using amount is very large, less economical, and impacts the attractive in appearance of structure, uses inconvenience.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model provides a kind of Spatial beam string structure and truss combining structure of space-load, and replacing tradition to be subject to curved is main freely-supported beam type purlin.
Concrete solution is: a kind of Spatial beam string structure and truss combining structure, comprise beam string and steel truss, beam string is connected by connected node with steel truss.
Further, beam string comprises: the beam that winds up, the flat web member that winds up, the diagonal web member that winds up, triangle strut, upper suspension cable, lower suspension cable, rope support connected node; Two are winded up by the flat web member that winds up, the diagonal web member that winds up connection between beam, formation plane frame, or are connected to form Vierendeel truss between the peaceful web member of the beam that only winds up; Triangle strut upper end is articulated and connected with the beam that winds up respectively, and triangle strut lower end intersects at a point and is connected to rope support and connects on node, and wind up flat web member and triangle strut form stable triangle; Upper suspension cable upper end is connected to the end of the beam that winds up, and is connected to winding up of steel truss by connected node, and the lower end of upper suspension cable is connected on triangle strut by rope support connected node; Lower suspension cable lower end is connected to the lower edge of steel truss, and upper end is connected with triangle strut by rope support connected node.
Further, two groups of triangle struts are arranged in the beam that winds up between adjacent two Pin steel trusss, between two groups of triangle struts, be provided with jump stay, upper suspension cable, jump stay, lower suspension cable are connected with the lower end of triangle strut by rope support connected node; Jump stay and lower suspension cable are in same plane, and upper suspension cable is symmetrically arranged in the plane both sides of jump stay and the formation of lower suspension cable.
Further, the plane orthogonal of the center line formation of jump stay and lower suspension cable is in the plane at beam center line place of winding up.
Further, jump stay and lower suspension cable can be same continuous print drag-line, two different cable wires that also can be off, and are connected on node rope support connected node.
Further, lower suspension cable is single rope or two rope; When lower suspension cable is single rope and jump stay in same plane, lower suspension cable is then arranged symmetrically in jump stay both sides for during two rope.
Further, upper suspension cable, lower suspension cable, jump stay are flexible high-intensity drag-line or high-strength steel tension rod.
Further, steel truss comprises: wind up, lower edge, truss vertical web rod and truss diagonal web member, and each rod member adopts related subgroup or solder sphere to be fixedly connected with, and described connected node is positioned at the 21 crossing connected nodes that wind up of truss vertical web rod and truss.
Further, steel truss is quadrangle shape truss or triangular truss.
Beneficial effect
1, stress performance is superior, is applicable to various Complicated Loads situation.The utility model is by tradition by curved freely-supported beam type purlin, and change Spatial Beam String Structure into, can produce the antiarch effect with the plane orthogonal that winds up by stretch-draw last quarter rope, effectively resist the load winded up in plane, structure efficiency improves greatly; Owing to winding up plane chord member and web member is connected to form truss or therefore Vierendeel truss can effectively resist plane external load; Due to the existence of downward suspension cable, can effectively resist reverse wind action.
2, be suitable for span much larger than conventional purlin, save purlin steel using amount and main structure steel using amount, improve the economy of structure.The utility model adopts the Spatial Beam String Structure of space-load to replace the main purlin of long span building, when winding up or purlin cross section is substantially constant, forming Spatial beam string structure, the span of purlin can be increased to 20 ~ 40m by 5 ~ 8m by introducing drag-line; Due to the increase of purlin span, the spacing of main structure is significantly increased, reduce the component consumption of main structure, and then reduce main structure steel using amount.
3, novel structure, bearing capacity are high, good stability.A kind of Spatial Beam String Structure of the present utility model is space-load system, and structure is succinct, clearly stressed, has very strong bearing capacity and stability.
4, structure is self equilibrium systems, and construction is simple.The drag-line of Spatial beam string structure of the present utility model is connected with the end of the beam that winds up, be connected in main structure by connected node again, pass through tension cable, make to wind up beam, web member, triangle strut, last quarter rope, upper oblique cord forms a self equilibrium systems, can the corresponding installation position of integral hoisting after installation on ground.
5, arrangement is flexible, and beam string of the present utility model can adapt to complicated load case, can horizontal arrangement, also vertically can arrange, also can be in tilted layout according to building curved surface.
Accompanying drawing explanation
Fig. 1 is Spatial Beam String Structure stereogram;
Fig. 2 is Spatial Beam String Structure elevation;
Fig. 3 is Spatial Beam String Structure plan view;
Fig. 4 is triangle strut drawing;
In figure, 11-winds up beam; 12-winds up flat web member; 13-winds up diagonal web member; 14-triangle strut; The upper suspension cable of 15-; 16-jump stay; Suspension cable under 17-; 18-rope support connected node; 2-steel truss; 21, wind up; 22, lower edge; 23-truss vertical web rod; 24-truss diagonal web member; 3-connected node.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the utility model is described further.
Certain engineering, main structure is large-span truss structure, and truss cross section is quadrangular section, and depth of truss is 6m, truss space 30m, adopts Spatial Beam String Structure of the present utility model to replace traditional beam type purlin.
As shown in Figure 1, a kind of Spatial Beam String Structure of the present utility model mainly comprises: the girder steel 11 that winds up, the flat web member 12 that winds up, the diagonal web member 13 that winds up, triangle strut 14, upper suspension cable 15, jump stay 16, lower suspension cable 17, rope support connected node 18 is formed; Two beams 11 that wind up are two parallel Box section beams, between connected by the flat web member 12 that winds up, the diagonal web member 13 that winds up, form plane frame, or be connected to form Vierendeel truss between the peaceful web member 12 of the beam 11 that only winds up; Plane frame or Vierendeel truss and effectively bear and the parallel plane external load that winds up.
Triangle strut 14 is two steel pipes, and upper end is articulated and connected with the beam 11 that winds up respectively, and triangle strut 14 lower end intersects at a point and is connected on rope support connected node 18, and wind up flat web member 12 and triangle strut 14 form stable triangular structure.
Upper suspension cable 15 upper end is connected to the end of the beam 11 that winds up, and the logical steel truss that is connected to the connected node 3 of steel truss 2 winds up on 21; The lower end of upper suspension cable 15 is connected with triangle strut 14 by rope support connected node 18; Lower suspension cable 17 lower end is connected to steel truss lower edge 22, and upper end is connected with triangle strut 14 by rope support connected node 18.Upper suspension cable 15, jump stay 16, lower suspension cable 17 are connected with triangle strut 14 by cable support node 18.
Jump stay 16 and lower suspension cable 17 are in same plane, and two ropes of upper suspension cable 15 are symmetrically arranged in the plane both sides of jump stay 16 and the formation of lower suspension cable 17.
Two groups of triangle struts 14 are arranged at the middle part of the beam 11 that winds up.
The plane orthogonal of the center line formation of jump stay 16 and lower suspension cable 17 is in the plane at beam 11 center line place of winding up.
Claims (9)
1. Spatial beam string structure and a truss combining structure, is characterized in that, comprise beam string and steel truss (2), described beam string is connected by connected node (3) with steel truss (2).
2. Spatial beam string structure according to claim 1 and truss combining structure, it is characterized in that, described beam string comprises: the beam that winds up (11), the flat web member (12) that winds up, the diagonal web member that winds up (13), triangle strut (14), upper suspension cable (15), lower suspension cable (17), rope support connected node (18);
Connected by the flat web member (12) that winds up, the diagonal web member that winds up (13) between two beams that wind up (11), form plane frame, or be connected to form Vierendeel truss between the peaceful web member of the beam that only winds up;
Described triangle strut (14) upper end is articulated and connected with the beam that winds up (11) respectively, triangle strut (14) lower end intersects at a point and is connected to rope support and connects on node (18), and wind up flat web member (12) and triangle strut (14) form stable triangle;
Described upper suspension cable (15) upper end is connected to the end of the beam that winds up (11), and wind up (21) of steel truss (2) are connected to by connected node (3), the lower end of upper suspension cable (15) is supportted connected node (18) by rope and is connected on triangle strut (14);
Lower suspension cable (17) lower end is connected to the lower edge (22) of steel truss (2), and upper end is supportted connected node (18) by rope and is connected with triangle strut (14).
3. Spatial beam string structure according to claim 2 and truss combining structure, it is characterized in that, two groups of triangle struts (14) are arranged in the described beam that winds up (11) between adjacent two Pin steel trusss (2), between two groups of triangle struts (14), be provided with jump stay (16), upper suspension cable (15), jump stay (16), lower suspension cable (17) support connected node (18) by rope and are connected with the lower end of triangle strut (14); Jump stay (16) and lower suspension cable (17) are in same plane, and upper suspension cable (15) is symmetrically arranged in the plane both sides that jump stay (16) and lower suspension cable (17) are formed.
4. Spatial beam string structure according to claim 3 and truss combining structure, is characterized in that, the plane orthogonal of the center line formation of described jump stay (16) and lower suspension cable (17) is in the plane at the beam that winds up (11) center line place.
5. Spatial beam string structure according to claim 3 and truss combining structure, it is characterized in that, described jump stay (16) and lower suspension cable (17) can be same continuous print drag-line, two different cable wires that also can be off, and are connected on node rope support connected node (18).
6. Spatial beam string structure according to claim 3 and truss combining structure, is characterized in that, described lower suspension cable (17) is single rope or two rope; Lower suspension cable (17) for during single rope and jump stay (16) in same plane, lower suspension cable (17) is then arranged symmetrically in jump stay (16) both sides for during two rope.
7. Spatial beam string structure according to claim 3 and truss combining structure, is characterized in that, described upper suspension cable (15), lower suspension cable (17), jump stay (16) are flexible high-intensity drag-line or high-strength steel tension rod.
8. Spatial beam string structure according to claim 1 and truss combining structure, it is characterized in that, described steel truss (2) comprising: wind up (21), lower edge (22), truss vertical web rod (23) and truss diagonal web member (24), each rod member adopts related subgroup or solder sphere to be fixedly connected with, and described connected node (3) is positioned at truss vertical web rod (23) connected node crossing with wind up (21) of truss.
9. Spatial beam string structure according to claim 1 and truss combining structure, is characterized in that, described steel truss (2) is quadrangle shape truss or triangular truss.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088755A (en) * | 2016-07-12 | 2016-11-09 | 中冶京诚工程技术有限公司 | Prefabricated large-scale steel structure rectangular bin and rectangular group bin |
| CN107419806A (en) * | 2017-09-18 | 2017-12-01 | 华南理工大学建筑设计研究院 | A kind of grid solid beam-string structure system across X-type greatly and its construction method |
| CN107863922A (en) * | 2017-11-24 | 2018-03-30 | 浙江精工能源科技集团有限公司 | One kind suspension type flexible photovoltaic mounting system |
| CN108518008A (en) * | 2018-03-23 | 2018-09-11 | 中建钢构有限公司 | Rigid roof structure in flexible cable structure and its installation method |
| CN108625530A (en) * | 2018-06-26 | 2018-10-09 | 上海天华建筑设计有限公司 | Tension string beam structure and its construction method |
| CN113718956A (en) * | 2021-09-26 | 2021-11-30 | 中建三局集团有限公司 | High-internal pressure high-air-tightness large-span space structure in high-altitude area |
| CN117145065A (en) * | 2023-10-30 | 2023-12-01 | 北京市建筑工程研究院有限责任公司 | High-clearance string structure and low-tension forming method thereof |
-
2015
- 2015-04-20 CN CN201520238524.4U patent/CN204551891U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088755A (en) * | 2016-07-12 | 2016-11-09 | 中冶京诚工程技术有限公司 | Prefabricated large-scale steel structure rectangular bin and rectangular group bin |
| CN107419806A (en) * | 2017-09-18 | 2017-12-01 | 华南理工大学建筑设计研究院 | A kind of grid solid beam-string structure system across X-type greatly and its construction method |
| CN107863922A (en) * | 2017-11-24 | 2018-03-30 | 浙江精工能源科技集团有限公司 | One kind suspension type flexible photovoltaic mounting system |
| CN108518008A (en) * | 2018-03-23 | 2018-09-11 | 中建钢构有限公司 | Rigid roof structure in flexible cable structure and its installation method |
| CN108625530A (en) * | 2018-06-26 | 2018-10-09 | 上海天华建筑设计有限公司 | Tension string beam structure and its construction method |
| CN108625530B (en) * | 2018-06-26 | 2024-01-19 | 上海天华建筑设计有限公司 | Beam string structure and construction method thereof |
| CN113718956A (en) * | 2021-09-26 | 2021-11-30 | 中建三局集团有限公司 | High-internal pressure high-air-tightness large-span space structure in high-altitude area |
| CN117145065A (en) * | 2023-10-30 | 2023-12-01 | 北京市建筑工程研究院有限责任公司 | High-clearance string structure and low-tension forming method thereof |
| CN117145065B (en) * | 2023-10-30 | 2024-01-05 | 北京市建筑工程研究院有限责任公司 | High-clearance string structure and low-tension forming method thereof |
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Address after: 100120 Beijing Xicheng District Dewai Street No. 12 Patentee after: CHINA AVIATION PLANNING AND DESIGN INSTITUTE (GROUP) CO., LTD. Address before: 100120 Beijing Xicheng District Dewai Street No. 12 Patentee before: China Aviation Planning and Construction Development Co., Ltd. |