CN112681615A - Fish belly formula space beam string and roof structure - Google Patents
Fish belly formula space beam string and roof structure Download PDFInfo
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- CN112681615A CN112681615A CN202011548780.5A CN202011548780A CN112681615A CN 112681615 A CN112681615 A CN 112681615A CN 202011548780 A CN202011548780 A CN 202011548780A CN 112681615 A CN112681615 A CN 112681615A
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Abstract
The invention discloses a fish belly type space beam string and a roof structure, comprising: the upper chord beam structure comprises two bow beams, the two ends of the two bow beams are connected together respectively, the middle parts of the two bow beams are arched upwards in an inclined mode to form an arc shape respectively, the distance between the middle parts of the two bow beams is gradually reduced from the middle parts of the two bow beams to the two ends of the two bow beams, and a first connecting beam is connected between the middle parts of the two bow beams; the lower chord guy cable is connected between the two ends of the two bow beams; and the web member is connected between the bow beam and the lower chord stay cable. The invention solves the problem that the traditional plane beam string structure has poor space stability due to lack of constraint outside the plane.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a fish belly type space beam string and a roof structure.
Background
The beam string structure is a novel hybridization roof system different from the 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 beam string structure is a novel self-balancing system and a large-span prestressed space structure system.
The traditional plane beam string structure has poor space stability due to lack of constraint outside the plane.
Disclosure of Invention
In order to overcome the defects in the prior art, a fish belly type space beam string structure and a roof structure are provided so as to solve the problem that the traditional plane beam string structure lacks restraint outside the plane and has poor space stability.
In order to realize above-mentioned purpose, provide a fish belly formula space beam string, include:
the upper chord beam structure comprises two bow beams, the two ends of the two bow beams are connected together respectively, the middle parts of the two bow beams are arched upwards in an inclined mode to form an arc shape respectively, the distance between the middle parts of the two bow beams is gradually reduced from the middle parts of the two bow beams to the two ends of the two bow beams, and a first connecting beam is connected between the middle parts of the two bow beams;
the lower chord guy cable is connected between the two ends of the two bow beams; and
and the web member is connected between the bow beam and the lower chord stay cable.
Further, the position of the upper end of the web member corresponds to the position of one end of the first tie beam.
Furthermore, the lower ends of the web members between the two bow beams and the lower chord stay cables are connected with anchorage devices in an intersecting manner, and the anchorage devices are installed on the lower chord stay cables.
Furthermore, the number of the web members is multiple, and the web members are arranged at intervals along the length direction of the lower chord stay cable.
Further, the bow beam and the first connecting beam are box beams respectively.
The present invention provides a roof structure, comprising:
a support frame;
a plurality of fish-bellied space beam strings are arranged in the supporting frame at intervals side by side, and two ends of an arched beam of each fish-bellied space beam string are respectively connected to two opposite ends of the supporting frame;
the second connecting beam is connected between the arched beams of the two adjacent fish-belly type space beam strings; and
the purlins are connected to the upper portions of the arched beams of the fish belly type space beam string beams, the two ends of each purlin are connected to the two opposite sides of the supporting frame respectively, and the purlins are arranged at intervals in the length direction of the arched beams.
Further, the position of the second connecting beam corresponds to the position of the first connecting beam.
The fish belly type space beam string structure has the advantages that the two arched beams and the lower string stay form a space trihedral structure, are spindle-shaped or fish belly-shaped, and have good self-stabilizing capability and good space stability. On the other hand, the roof structure of the invention constructs a mountain peak-shaped roof structure with high middle part and low periphery through a plurality of fish belly type space beam string beams, so that the roof structure forms a good space stress system in the longitudinal and transverse directions, and has the characteristics of high bearing capacity and good structural stability.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a fish belly type spatial beam according to an embodiment of the present invention.
Fig. 2 is a front view of the fish belly type spatial beam according to the embodiment of the invention.
Fig. 3 is a top view of the fish belly type spatial beam according to the embodiment of the invention.
Fig. 4 is a schematic structural diagram of a roof structure according to an embodiment of the present invention.
Fig. 5 is a partial structural schematic view of a roof structure according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a schematic structural view of a fish-bellied space beam according to an embodiment of the present invention, fig. 2 is a front view of the fish-bellied space beam according to the embodiment of the present invention, fig. 3 is a top view of the fish-bellied space beam according to the embodiment of the present invention, fig. 4 is a schematic structural view of a roof structure according to the embodiment of the present invention, and fig. 5 is a schematic structural view of a part of the roof structure according to the embodiment of the present invention.
Referring to fig. 1 to 3, the present invention provides a fish belly type space beam string, including: the upper chord beam structure 1, the lower chord stay cable 2 and the web members 3.
Wherein the upper chord beam structure 1 comprises two bow beams 11 and a first tie beam 12. Specifically, two ends of the two bow beams 11 are respectively connected together. The middle parts of the two bow beams 11 are respectively arched upwards in an inclined way to form an arc shape. In the present exemplary embodiment, the center sections of the two bow webs 11 are each curved obliquely upward facing away from one another. As shown in fig. 2, in the primary view, the upper chord beam structure is arcuate or arched; as shown in fig. 3, the top chord structure is in a spindle shape in a plan view, and the distance between the middle portions of the two bow beams 11 gradually decreases from the middle portions of the bow beams 11 to both ends of the bow beams 11. A first connecting beam 12 is connected between the middle parts of the two bow beams 11.
The lower chord stay 2 is connected between the two ends of the two bow beams 11. The inner arc surfaces of the two bow beams 11 face the lower chord stay cable.
The web member 3 is connected between the bow beam 11 and the lower chord stay 2.
In this embodiment, a plurality of web members are connected between each of the two bow beams and the lower chord stay.
According to the fish belly type space beam string, the two bow beams and the lower string stay form a space trihedral structure, and the fish belly type space beam string is spindle-shaped or fish belly-shaped, has good self-stability capability and good space stability.
On the other hand, compared with the traditional space truss, the fish-bellied space beam string has the advantages of good indoor appearance, higher force transmission efficiency, small horizontal thrust of the support, lower construction difficulty and shorter construction period.
In the present embodiment, the position of the upper end of the web member 3 corresponds to the position of one end portion of the first tie beam 12. Two web members between the two bow beams and the lower chord stay cable and the first connecting beam are positioned in the same vertical plane to form a stable triangular structure.
In a preferred embodiment, the number of the web members 3 is plural, and the plural web members 3 are provided at intervals along the length direction of the lower chord cable 2.
In a preferred embodiment, the lower ends of the web members 3 between the two bow beams 11 and the lower chord stay 2 are connected with anchors in an intersecting manner, and the anchors are mounted on the lower chord stay 2.
In the present embodiment, the bow beam 11 and the first tie beam 12 are each box beams.
With continued reference to fig. 1-5, the present invention provides a roof structure comprising: the supporting frame 4, a plurality of fish belly type space beam string, a second connecting beam 5 and a plurality of purlines 6.
In particular, the dimensions of the support frame 4 are adapted to the dimensions of the roof of the building structure for mounting on the roof of the building structure.
A plurality of fish belly type space beam strings are arranged in the supporting frame 4 at intervals in parallel. The two ends of the bow beam 11 of the fish belly type space beam string are respectively connected with the two opposite ends of the supporting frame 4.
The number of the second connection beams 5 is plural. The second connecting beam is connected between the bow beams 11 of two adjacent fish belly type space beam strings.
Each purline 6 is connected to the upper parts of the arched beams 11 of the fish belly type space beam string. Both ends of the purlin 6 are connected to opposite sides of the supporting frame 4, respectively. The purlins 6 are arranged at intervals along the length direction of the arched beam 11, so that the roof structure is in a mountain peak shape with a high middle part and a low periphery.
In the present embodiment, the second tie beam 5 is provided at a position corresponding to the position of the first tie beam 12. So that the first connecting beam and the second connecting beam are arranged along the same horizontal direction.
According to the roof structure, the mountain peak-shaped roof structure with the high middle part and the low periphery is constructed by the plurality of fish belly type spatial beam strings, so that the roof structure forms a good spatial stress system in the longitudinal and transverse directions, and has the characteristics of high bearing capacity and good structural stability.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. The utility model provides a string roof beam is opened in fish belly formula space which characterized in that includes:
the upper chord beam structure comprises two bow beams, the two ends of the two bow beams are connected together respectively, the middle parts of the two bow beams are arched upwards in an inclined mode to form an arc shape respectively, the distance between the middle parts of the two bow beams is gradually reduced from the middle parts of the two bow beams to the two ends of the two bow beams, and a first connecting beam is connected between the middle parts of the two bow beams;
the lower chord guy cable is connected between the two ends of the two bow beams; and
and the web member is connected between the bow beam and the lower chord stay cable.
2. The fish-bellied spatial beam string as claimed in claim 1, wherein the upper end of the web member is located at a position corresponding to one end of the first tie beam.
3. The fish-bellied spatial beam string as claimed in claim 2, wherein the lower ends of the web members between the two bow beams and the lower string stay are connected with anchors at an intersection, and the anchors are mounted on the lower string stay.
4. The fish-bellied spatial beam string as claimed in claim 1, wherein the number of the web members is plural, and the plural web members are arranged at intervals along the length direction of the lower chord stay.
5. The fish-bellied spatial beam string as claimed in claim 1, wherein the bow beam and the first tie beam are each box beams.
6. A roof structure, comprising:
a support frame;
a plurality of fish-bellied spatial beam strings as claimed in any one of claims 1 to 5, wherein the plurality of fish-bellied spatial beam strings are arranged in the support frame at intervals side by side, and two ends of the bow beam of the fish-bellied spatial beam string are respectively connected to two opposite ends of the support frame;
the second connecting beam is connected between the arched beams of the two adjacent fish-belly type space beam strings; and
the purlins are connected to the upper portions of the arched beams of the fish belly type space beam string beams, the two ends of each purlin are connected to the two opposite sides of the supporting frame respectively, and the purlins are arranged at intervals in the length direction of the arched beams.
7. A roof structure according to claim 6, characterised in that the position of said second tie beam corresponds to the position of said first tie beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548780.5A CN112681615A (en) | 2020-12-24 | 2020-12-24 | Fish belly formula space beam string and roof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548780.5A CN112681615A (en) | 2020-12-24 | 2020-12-24 | Fish belly formula space beam string and roof structure |
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| Publication Number | Publication Date |
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| CN112681615A true CN112681615A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011548780.5A Pending CN112681615A (en) | 2020-12-24 | 2020-12-24 | Fish belly formula space beam string and roof structure |
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| CN (1) | CN112681615A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575464A (en) * | 2022-05-07 | 2022-06-03 | 清华大学 | Building roof structure and construction method |
| CN114837341A (en) * | 2022-06-09 | 2022-08-02 | 江西建工第一建筑有限责任公司 | Steel roof supporting system of truss with open chord and inverted triangular pipe |
| CN114837348A (en) * | 2022-06-09 | 2022-08-02 | 江西建工第一建筑有限责任公司 | Beam string structure |
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| JPH07109771A (en) * | 1993-10-12 | 1995-04-25 | Toda Constr Co Ltd | Constructing method of astylar large-space structure and girder having huge span and manufacture thereof |
| CN103866890A (en) * | 2013-12-02 | 2014-06-18 | 浙江精工钢结构集团有限公司 | Ultralarge space open-close type roof track system and design and installation method thereof |
| CN204023776U (en) * | 2014-02-18 | 2014-12-17 | 中国建筑第八工程局有限公司 | A kind of string beam |
| CN204662661U (en) * | 2015-05-05 | 2015-09-23 | 广东省建筑工程集团有限公司 | The two rope truss string structure system of the two case beam of large span |
| CN104947850A (en) * | 2015-06-17 | 2015-09-30 | 中国建筑第二工程局有限公司 | Shuttle-shaped roof truss and construction method thereof |
-
2020
- 2020-12-24 CN CN202011548780.5A patent/CN112681615A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07109771A (en) * | 1993-10-12 | 1995-04-25 | Toda Constr Co Ltd | Constructing method of astylar large-space structure and girder having huge span and manufacture thereof |
| CN103866890A (en) * | 2013-12-02 | 2014-06-18 | 浙江精工钢结构集团有限公司 | Ultralarge space open-close type roof track system and design and installation method thereof |
| CN204023776U (en) * | 2014-02-18 | 2014-12-17 | 中国建筑第八工程局有限公司 | A kind of string beam |
| CN204662661U (en) * | 2015-05-05 | 2015-09-23 | 广东省建筑工程集团有限公司 | The two rope truss string structure system of the two case beam of large span |
| CN104947850A (en) * | 2015-06-17 | 2015-09-30 | 中国建筑第二工程局有限公司 | Shuttle-shaped roof truss and construction method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575464A (en) * | 2022-05-07 | 2022-06-03 | 清华大学 | Building roof structure and construction method |
| CN114575464B (en) * | 2022-05-07 | 2022-07-22 | 清华大学 | Building roof structure and construction method |
| CN114837341A (en) * | 2022-06-09 | 2022-08-02 | 江西建工第一建筑有限责任公司 | Steel roof supporting system of truss with open chord and inverted triangular pipe |
| CN114837348A (en) * | 2022-06-09 | 2022-08-02 | 江西建工第一建筑有限责任公司 | Beam string structure |
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Application publication date: 20210420 |
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