CN217420709U - Beam string - Google Patents
Beam string Download PDFInfo
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- CN217420709U CN217420709U CN202221369131.3U CN202221369131U CN217420709U CN 217420709 U CN217420709 U CN 217420709U CN 202221369131 U CN202221369131 U CN 202221369131U CN 217420709 U CN217420709 U CN 217420709U
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- web member
- upper chord
- diagonal web
- spherical hinge
- prestressed
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- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application discloses open string roof beam belongs to the building structure field, has solved current open string roof beam and has sagged high, occupy the big problem of indoor net height. The anti-seismic support comprises an upper chord beam, a plurality of support rods, a prestressed inhaul cable, at least one first diagonal web member, at least one second diagonal web member, a vertical web member and an anti-seismic spherical hinge support. And the top end of each frame column is provided with an anti-seismic spherical hinge support. And one end of the anti-seismic spherical hinge support, which is far away from the frame column, is provided with a vertical web member. And one end of the vertical web member, which is far away from the anti-seismic spherical hinge support, is connected with the upper chord beam. One end of the first diagonal web member is connected with the vertical web member, and the other end of the first diagonal web member is fixed at the recurve bend point of the upper chord beam. One end of the second diagonal web member is connected with the opposite side of the vertical web member, on which the first diagonal web member is arranged, and the other end of the second diagonal web member is fixed at the end part of the upper chord. The plurality of struts are located on the same side as the frame posts. One end of each support rod is connected with the upper chord beam, and the other end of each support rod is connected with the prestressed stay cable. The beam string has better rigidity and bearing capacity under the same height condition with the existing beam string.
Description
Technical Field
The application relates to the technical field of building structures, in particular to a beam string.
Background
With the continuous development of social life, the construction industry of China is rapidly developed, and the string beam is more and more applied.
The beam string is a new type hybridization roof system different from traditional structure. The beam string structure is a mixed structure system formed by a rigid member upper string, a flexible inhaul cable and a support rod connected in the middle, and the structure of the beam string structure is a novel self-balancing system, is a large-span prestressed space structure system and is a successful creation in the development of the mixed structure system. The beam string is widely applied due to the advantages of simple and efficient system, various structural forms and the like, but the beam string of the existing beam string is higher in rise and larger in indoor net height.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a string roof beam, has solved current string roof beam and has sagged the height, occupies the big problem of indoor net height.
The embodiment of the utility model provides a beam string, which comprises an upper beam string, a plurality of brace rods, a prestressed inhaul cable, at least one first diagonal web member, at least one second diagonal web member, a vertical web member and an anti-seismic spherical hinge support; the top end of each frame column is provided with one anti-seismic spherical hinge support; one end of the anti-seismic spherical hinge support, which is far away from the frame column, is provided with a vertical web member; one end of the vertical web member, which is far away from the anti-seismic spherical hinge support, is connected with the upper chord beam; one end of the first diagonal web member is connected with the vertical web member, and the other end of the first diagonal web member is fixed at the recurve bend point of the upper chord beam; one end of the second diagonal web member is connected with the opposite side of the vertical web member, on which the first diagonal web member is arranged, and the other end of the second diagonal web member is fixed at the end part of the upper chord beam; the prestressed stay cable is arranged on the upper chord beam and is positioned on the same side with the frame column; one end of the prestressed stay cable is fixed at one end of the upper chord beam far away from the second diagonal web member, and the other end of the prestressed stay cable is fixed at a reverse bending point of the upper chord beam; a plurality of said braces are located on the same side as said frame posts; one end of each support rod is connected with the upper chord beam, and the other end of each support rod is connected with the prestressed stay cable.
In one possible implementation manner, the beam string further comprises a frame beam; one end of the frame beam is connected with the side wall of the frame column in the middle, and the other end of the frame beam is connected with the side wall of the frame column far away from the prestress inhaul cable.
In a possible implementation manner, the anti-seismic spherical hinge support close to the prestressed stay is a pressure-resistant anti-seismic spherical hinge support, and the anti-seismic spherical hinge support far away from the prestressed stay is a tensile anti-seismic spherical hinge support.
In one possible implementation, the upper chord beam is a box steel beam.
In one possible implementation, the stay is a round steel tube.
In one possible implementation, the first diagonal web member and the second diagonal web member are rectangular steel pipes.
In one possible implementation, the vertical web members are rectangular steel tubes.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
an embodiment of the utility model provides a stretch string roof beam should stretch out string roof beam and include upper chord roof beam, a plurality of vaulting poles, prestressing force cable, at least one first diagonal web member, at least one second diagonal web member, erect web member and antidetonation ball pivot support. And the top end of each frame column is provided with an anti-seismic spherical hinge support. And one end of the anti-seismic spherical hinge support, which is far away from the frame column, is provided with a vertical web member. And one end of the vertical web member, which is far away from the anti-seismic spherical hinge support, is connected with the upper chord beam. One end of the first diagonal web member is connected with the vertical web member, and the other end of the first diagonal web member is fixed at the recurve bend point of the upper chord beam. One end of the second diagonal web member is connected with the opposite side of the vertical web member, on which the first diagonal web member is arranged, and the other end of the second diagonal web member is fixed at the end part of the upper chord. The prestress guy cable is arranged on the upper chord beam and is positioned on the same side with the frame column. One end of the prestressed inhaul cable is fixed at one end, far away from the second inclined web member, of the upper chord beam, and the other end of the prestressed inhaul cable is fixed at the recurved point of the upper chord beam. The plurality of struts are located on the same side as the frame posts. One end of each support rod is connected with the upper chord beam, and the other end of each support rod is connected with the prestressed stay cable. In practical application, the stress performance of the upper chord beam is improved due to the arrangement of the anti-seismic spherical hinge support, and meanwhile, the strength of the upper chord beam can be enhanced due to the arrangement of the first oblique web member, the second oblique web member and the vertical web member, so that the overall strength of the beam string is enhanced, and the beam string and the existing beam string have better rigidity and bearing capacity under the same height condition.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first structural schematic diagram of a beam string provided in the embodiment of the present application;
fig. 2 is a structural schematic diagram of a beam string provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram three of a beam string provided in the embodiment of the present application.
Icon: 1-upper chord beam; 2-a brace rod; 3-prestressed stay cable; 4-a first diagonal web member; 5-erecting a web member; 6-anti-seismic spherical hinge support; 61-pressure-resistant anti-seismic spherical hinge support; 62-tensile anti-seismic spherical hinge support; 7-frame columns; 8-frame beam; 9-second diagonal web member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description of the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-3, the embodiment of the utility model provides an open string roof beam, this open string roof beam include upper chord beam 1, a plurality of vaulting poles 2, prestressing force cable 3, at least one first diagonal web member 4, at least one second diagonal web member 9, erect web member 5 and antidetonation ball pivot support 6. The top end of each frame column 7 is provided with an anti-seismic spherical hinge support 6. The anti-seismic spherical hinge support 6 can improve the stress performance of the upper chord beam 1, so that the strength of the upper chord beam 1 is improved, the strength of the beam string is enhanced, and the beam string and the existing beam string have better rigidity and bearing capacity under the same height condition.
With continued reference to fig. 1, the anti-seismic ball pivot mount 6 is provided with a vertical web member 5 at the end facing away from the frame column 7. And one end of the vertical web member 5 departing from the anti-seismic spherical hinge support 6 is connected with the upper chord beam 1. One end of the first diagonal web member 4 is connected with the vertical web member 5, and the other end is fixed at the reverse bending point of the upper chord beam 1. One end of the second diagonal web member 9 is connected to the opposite side of the vertical web member 5 where the first diagonal web member 4 is provided, and the other end is fixed to the end of the upper chord 1. The prestressed stay cable 3 is arranged on the upper chord beam 1 and is positioned on the same side with the frame column 7. One end of the prestressed guy cable 3 is fixed at one end of the upper chord beam 1 far away from the second inclined web member 9, and the other end is fixed at the reverse bending point of the upper chord beam 1. In practical application, the strength of the upper chord beam 1 is enhanced through the arrangement of the first diagonal web members 4, the second diagonal web members 9 and the vertical web members 5, so that the overall strength of the beam string is enhanced, and the service life of the beam string is prolonged. Specifically, the strength of the tensioned string can be adjusted by changing the number of the first diagonal web members 4, the second diagonal web members 9, and the positions of the vertical web members 5 on the upper chord 1. As shown in fig. 1, the first diagonal web members 4, the second diagonal web members 9 and the vertical web members 5 are located below the upper chord beam 1, and the beam string of the structure is suitable for a flat masonry surface; as shown in fig. 2, the upper and lower ends of the upper chord beam 1 are provided with the first diagonal web members 4 and the second diagonal web members 9, the structure has high beam-string strength, is suitable for both flat and arc masonry surfaces, greatly improves the strength of the beam-string, and has a bridge span as high as 84 m; as shown in fig. 3, the first diagonal web members 4, the second diagonal web members 9 and the vertical web members 5 are located above the upper chord beam 1, and the beam string of the structure has high strength and is suitable for curved masonry surfaces.
With continued reference to fig. 2, the plurality of stay bars 2 are located on the same side as the frame post 7. One end of each support rod 2 is connected with the upper chord beam 1, and the other end of each support rod is connected with the prestressed inhaul cable 3. In practical application, the prestressed stay 3 is fixed under the upper chord 1 in an arc shape, so that the length of the stay 2 changes along with the difference of the setting position, and the stay 2 closer to the end of the prestressed stay 3 is shorter. Due to the arrangement of the support rods 2, the bearing capacity of the beam string can be improved to a great extent, and the service life of the beam string is prolonged.
The embodiment of the utility model provides a beam string should open beam string includes beam string 1, a plurality of vaulting pole 2, prestressing force cable 3, at least one first diagonal web member 4, at least one second diagonal web member 9, erects web member 5 and antidetonation ball pivot support 6. The top end of each frame column 7 is provided with an anti-seismic spherical hinge support 6. And one end of the anti-seismic spherical hinge support 6, which is far away from the frame column 7, is provided with a vertical web member 5. And one end of the vertical web member 5 departing from the anti-seismic spherical hinge support 6 is connected with the upper chord beam 1. One end of the first diagonal web member 4 is connected with the vertical web member 5, and the other end is fixed at the reverse bending point of the upper chord beam 1. One end of the second diagonal web member 9 is connected to the opposite side of the vertical web member 5 where the first diagonal web member 4 is provided, and the other end is fixed to the end of the upper chord 1. The prestressed stay cable 3 is arranged on the upper chord beam 1 and is positioned on the same side with the frame column 7. One end of the prestressed guy cable 3 is fixed at one end of the upper chord beam 1 far away from the second inclined web member 9, and the other end is fixed at the reverse bending point of the upper chord beam 1. The plurality of struts 2 are located on the same side as the frame post 7. One end of each support rod 2 is connected with the upper chord beam 1, and the other end of each support rod is connected with the prestressed inhaul cable 3. In practical application, the stress performance of the upper chord beam 1 is improved by the aid of the anti-seismic spherical hinge support 6, and meanwhile, the strength of the upper chord beam 1 can be enhanced by the aid of the first oblique web members 4, the second oblique web members 9 and the vertical web members 5, so that the overall strength of the beam string is enhanced, and the beam string and the existing beam string have better rigidity and bearing capacity under the same height condition.
Continuing to refer to fig. 3, the beam string further includes a frame beam 8. One end of the frame beam 8 is connected with the side wall of the frame column 7 at the middle position, and the other end is connected with the side wall of the frame column 7 far away from the prestress guy cable 3. The frame beam 8 can transmit the load to the frame column 7 while bearing the load so as to improve the stress performance of the upper chord beam 1; in addition, the frame beam 8 and the frame column 7 are rigidly connected to form a beam-column lateral force resisting system which jointly resists horizontal forces such as wind load and earthquake action.
In practical application, the anti-seismic spherical hinge support 6 close to the prestressed cable 3 is a pressure-resistant anti-seismic spherical hinge support 61, and the anti-seismic spherical hinge support 6 far from the prestressed cable 3 is a tensile anti-seismic spherical hinge support 62. Specifically, according to the stress characteristics of the beam string, the anti-seismic spherical hinge supports 6 close to the two ends of the prestressed cable 3 are compression-resistant anti-seismic spherical hinge supports 61, and the anti-seismic spherical hinge supports 6 far away from the prestressed cable 3 are tensile anti-seismic spherical hinge supports 62. The compression-resistant anti-seismic spherical hinge support 61 and the tensile anti-seismic spherical hinge support 62 can improve the stress performance of the upper chord beam 1, so that the strength of the upper chord beam 1 is improved, the strength of the beam string is further enhanced, and the service life of the beam string is prolonged.
Specifically, the upper chord member 1 is a box-shaped steel beam. The box-shaped steel beam has the advantages of light weight, steel saving, high bending and torsional rigidity, simple and convenient installation, novel structure and simple and attractive appearance.
In practical application, the stay bar 2 is a round steel pipe. The round steel pipe is a hollow metal section with a circular cross section, and has the advantages of convenience in processing, good bearing capacity and good anti-seismic performance.
Specifically, the first diagonal web member 4 and the second diagonal web member 9 are rectangular steel pipes. The rectangular steel pipe is a hollow metal section with a rectangular cross section, and has the advantages of simple manufacture, high bending strength and torsional strength, light weight, easily available materials and low cost.
In practical application, the vertical web members 5 are rectangular steel pipes. The rectangular steel pipe is a hollow metal section with a rectangular cross section, and has the advantages of simple manufacture, high bending strength and torsional strength, light weight, easily obtained materials and low cost.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (7)
1. A beam string is characterized by comprising an upper beam string (1), a plurality of stay bars (2), a prestressed stay cable (3), at least one first diagonal web member (4), at least one second diagonal web member (9), vertical web members (5) and an anti-seismic spherical hinge support (6);
the top end of each frame column (7) is provided with one anti-seismic spherical hinge support (6); one end of the anti-seismic spherical hinge support (6) departing from the frame column (7) is provided with a vertical web member (5); one end of the vertical web member (5) departing from the anti-seismic spherical hinge support (6) is connected with the upper chord beam (1); one end of the first inclined web member (4) is connected with the vertical web member (5), and the other end of the first inclined web member is fixed at a reverse bending point of the upper chord beam (1); one end of the second diagonal web member (9) is connected with the opposite side of the vertical web member (5) where the first diagonal web member (4) is arranged, and the other end of the second diagonal web member is fixed at the end part of the upper chord beam (1);
the prestressed inhaul cable (3) is arranged on the upper chord beam (1) and is positioned on the same side with the frame column (7); one end of the prestressed stay cable (3) is fixed at one end of the upper chord beam (1) far away from the second inclined web member (9), and the other end of the prestressed stay cable is fixed at a reverse bending point of the upper chord beam (1);
a plurality of said struts (2) being located on the same side as said frame posts (7); one end of each support rod (2) is connected with the upper chord beam (1), and the other end of each support rod is connected with the prestressed stay cable (3).
2. The beam string according to claim 1 further comprising a frame beam (8);
one end of the frame beam (8) is connected with the side wall of the frame column (7) at the middle position, and the other end of the frame beam is connected with the side wall of the frame column (7) far away from the prestress stay cable (3).
3. A beam string according to claim 1, characterised in that the shock-resistant ball joint support (6) close to the prestressed guy wires (3) is a pressure-resistant shock-resistant ball joint support (61), and the shock-resistant ball joint support (6) far from the prestressed guy wires (3) is a tensile shock-resistant ball joint support (62).
4. Beam string according to claim 1, characterised in that the upper beam string (1) is a box steel beam.
5. Beam string according to claim 1, characterized in that the stay (2) is a round steel tube.
6. The beam string according to claim 1, characterised in that said first diagonal web members (4) and said second diagonal web members (9) are rectangular steel tubes.
7. The beam string according to claim 1, wherein said vertical web members (5) are rectangular steel tubes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221369131.3U CN217420709U (en) | 2022-06-02 | 2022-06-02 | Beam string |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221369131.3U CN217420709U (en) | 2022-06-02 | 2022-06-02 | Beam string |
Publications (1)
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CN217420709U true CN217420709U (en) | 2022-09-13 |
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CN202221369131.3U Expired - Fee Related CN217420709U (en) | 2022-06-02 | 2022-06-02 | Beam string |
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CN (1) | CN217420709U (en) |
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2022
- 2022-06-02 CN CN202221369131.3U patent/CN217420709U/en not_active Expired - Fee Related
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