CN118273485A - Novel large-span recombinant bamboo truss and steel structure beam column combined structure and construction method thereof - Google Patents
Novel large-span recombinant bamboo truss and steel structure beam column combined structure and construction method thereof Download PDFInfo
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- CN118273485A CN118273485A CN202410585914.2A CN202410585914A CN118273485A CN 118273485 A CN118273485 A CN 118273485A CN 202410585914 A CN202410585914 A CN 202410585914A CN 118273485 A CN118273485 A CN 118273485A
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- beam column
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 78
- 239000010959 steel Substances 0.000 title claims abstract description 78
- 239000011425 bamboo Substances 0.000 title claims abstract description 36
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 33
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 33
- 241001330002 Bambuseae Species 0.000 title claims abstract description 33
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 33
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008521 reorganization Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
Abstract
The invention relates to the technical field of beam column structures, in particular to a novel large-span recombinant bamboo truss and steel structure beam column combined structure and a construction method thereof. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof have the advantages that the upper full-recombinant bamboo truss structure is light in dead weight, the load borne by a foundation is reduced, the construction cost is reduced, the influence on the environment can be reduced, the recombinant bamboo truss and steel structure beam column combined structure system is excellent in rigidity and strength, can bear larger load and larger span, and is good in shock resistance and integrity.
Description
Technical Field
The invention relates to the technical field of beam-column structures, in particular to a novel large-span recombinant bamboo truss and steel structure beam-column combined structure and a construction method thereof.
Background
Bamboo structures are increasingly being used in construction due to their good anti-seismic and environmental protection properties. Meanwhile, as the requirements of people on large space, large span and large floor height are higher and higher, the common pure bamboo structure building can not meet the requirements of people on the diversified development of the building due to the defects of raw materials in the aspects of physical, mechanical, corrosion resistance, insect prevention, flame retardance and the like, and the steel-bamboo combined structure is generated under the condition.
At present, steel members in steel-bamboo combined structures such as large-span parallel chord trusses, arch trusses, triangular trusses and the like are often used as main stressed members, and bamboo members are connecting web members for auxiliary stress or stress. The steel-bamboo combined truss structure system has the advantages of large steel member consumption, large structure dead weight, high cost, failure to fully exert the physical and mechanical properties of the bamboo members, incomplete agreement with the large direction of the national development of green industry and green building, and provides a novel large-span combined structure of the recombined bamboo truss and the steel structure beam column and a construction method thereof.
Disclosure of Invention
The invention aims to provide a novel large-span recombined bamboo truss and steel structure beam column combined structure and a construction method thereof, so as to solve the problems in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel large-span reorganization bamboo truss and steel construction beam column integrated configuration and construction method thereof, includes the girder steel, the girder steel bottom is provided with a plurality of steel column, the top of girder steel is provided with a plurality of limit truss, the top of girder steel is provided with a plurality of main truss, be provided with a plurality of secondary truss between main truss or main truss and the limit truss, be provided with a plurality of fossil fragments between main truss or main truss and the limit truss.
Preferably, the main truss, the secondary truss and the side truss comprise an upper chord member, a lower chord member, an inclined web member, a straight web member, a steel backing plate and high-strength bolts.
Preferably, one end fixed connection of straight web member is on the top of bottom chord member, top chord member fixed connection is on the top of straight web member, the one end fixed connection of inclined web member is in the middle part of bottom chord member, the other end of inclined web member is fixed connection in the bottom left and right sides of top chord member respectively, the bottom chord member of main truss and side truss passes through the upper end of a plurality of high-strength bolt connection at the girder steel, the steel backing plate sets up in high-strength bolt is inboard.
Preferably, the straight web member is perpendicular to the upper chord member and the lower chord member.
Preferably, the included angles between the inclined web members and the lower chords are forty-five degrees.
Preferably, the included angle between the inclined web members is one hundred and thirty-five degrees.
Preferably, the included angles between the inclined web members and the upper chord members are forty-five degrees.
Preferably, the high-strength bolt is a tensile-type high-strength bolt.
A novel construction method of a large-span recombinant bamboo truss and a steel structure beam column comprises the following steps:
Welding the steel beams arranged on the periphery of the outer side of the structure on the steel column;
splicing truss unit sections into a main truss and a side truss with required lengths by using the high-strength bolts, and fixedly connecting lower chords of the main truss and the side truss on the steel girder by using the high-strength bolts;
Step three, fixedly connecting the secondary truss and the keel between the main trusses by using the high-strength bolts, and fixedly connecting the secondary truss and the keel between the main trusses and the side truss frames by using the high-strength bolts;
step four, fixedly connecting a straight web member in the truss to the top end of the lower chord member by using the high-strength bolt, and fixedly connecting the upper chord member to the top end of the straight web member by using the high-strength bolt;
And fifthly, fixedly connecting the diagonal web member in the truss between the lower chord member and the upper chord member by utilizing the high-strength bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. the upper part full-recombination bamboo truss structure has light dead weight, and reduces the load borne by the foundation, thereby reducing the construction cost and reducing the influence on the environment.
2. The combined structure of the recombined bamboo truss and the steel structure beam column has excellent strength, rigidity and stability, can bear larger load and larger span, and has good shock resistance and integrity.
3. The upper truss is composed of a plurality of small-sized unit components, can be prefabricated in advance in a factory and assembled on site, is quick and convenient to construct, and reduces construction time and labor cost.
4. Energy conservation and environmental protection, reduces the consumption of steel resources, accelerates the comprehensive development and utilization of agriculture and forestry biomass resources, and promotes the diversified development of agriculture and forestry economy.
Drawings
FIG. 1 is a lower steel structure Liang Zhuping floor plan of the present invention;
FIG. 2 is a plan view of an upper recombinant bamboo truss structure of the invention;
FIG. 3 is a schematic view of a recombinant bamboo truss according to the present invention;
FIG. 4 is a schematic view of the main truss and keel connection of the present invention;
FIG. 5 is a diagram showing the connection between the main truss and the steel girder according to the present invention;
FIG. 6 is a schematic view of the connection of the primary truss and the secondary truss according to the present invention;
FIG. 7 is a diagram of the rigid joint points of the steel beam and the steel column according to the invention;
fig. 8 is a view of a steel beam and steel column of the present invention just connected.
In the figure: 1. a steel column; 2. a steel beam; 3. a main truss; 4. a secondary truss; 5. side truss; 6. a keel; 7. an upper chord; 8. a lower chord; 9. a diagonal web member; 10. a straight web member; 11. a steel backing plate; 12. high strength bolts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a novel large-span reorganization bamboo truss and steel construction beam column integrated configuration and construction method thereof, includes girder steel 2, girder steel 2's bottom is provided with a plurality of steel column 1, girder steel 2's top is provided with a plurality of limit truss 5, girder steel 2's top is provided with a plurality of main truss 3, be provided with a plurality of secondary truss 4 between main truss 3 or main truss 3 and limit truss 5, be provided with a plurality of fossil fragments 6 between main truss 3 or main truss 3 and limit truss 5.
In this embodiment, the main truss 3, the sub-truss 4 and the side trusses 5 each include an upper chord member 7, a lower chord member 8, a diagonal web member 9, a straight web member 10, a steel backing plate 11 and a high-strength bolt 12.
In this embodiment, one end of the straight web member 10 is fixedly connected to the top end of the lower chord member 8, the upper chord member 7 is fixedly connected to the top end of the straight web member 10, one end of the inclined web member 9 is fixedly connected to the middle of the lower chord member 8, the other ends of the inclined web members 9 are respectively fixedly connected to the left and right sides of the bottom end of the upper chord member 7, the lower chord members 8 of the main truss and the side truss are connected to the upper ends of the steel beams 2 through a plurality of high-strength bolts 12, and the steel backing plates 11 are arranged on the inner sides of the high-strength bolts 12.
In this embodiment, the straight web member 10 is perpendicular to the upper chord 7 and the lower chord 8.
In this embodiment, the angles between the diagonal web member 9 and the bottom chord member 8 are forty-five degrees.
In this embodiment, the included angle between the diagonal web members 9 is one hundred thirty-five degrees.
In this embodiment, the angles between the diagonal web member 9 and the top chord member 7 are forty-five degrees.
In this embodiment, the high strength bolt 12 is a tensile type high strength bolt.
A novel construction method of a large-span recombinant bamboo truss and a steel structure beam column comprises the following steps:
welding steel beams 2 arranged on the periphery of the outer side of the structure on a steel column 1;
Splicing truss unit sections into a main truss 3 and a side truss 5 with required lengths by using high-strength bolts 12, and fixedly connecting lower chords 8 of the main truss 3 and the side truss 5 on the steel beam 2 by using the high-strength bolts 12;
step three, fixedly connecting the secondary truss 4 and the keel 6 between the main trusses 3 by using high-strength bolts 12, and fixedly connecting the secondary truss 4 and the keel 6 between the main trusses 3 and the side truss frames 5 by using high-strength bolts 12;
step four, fixedly connecting the truss inner straight web member 10 to the top end of the lower chord member 8 by using a high-strength bolt 12, and fixedly connecting the upper chord member 7 to the top end of the straight web member 10 by using the high-strength bolt 12;
and fifthly, fixedly connecting the truss inner diagonal web member 9 between the lower chord member 8 and the upper chord member 7 by utilizing the high-strength bolts 12.
The application method and the advantages of the invention are as follows: when in use, the working process is as follows:
the truss structure system comprises a main truss 3, secondary trusses 4, side trusses 5 and keels 6, wherein each truss consists of an upper chord member 7, a lower chord member 8, a straight web member 10 and a diagonal web member 9, all truss members and keels 6 are made of a reconstituted bamboo material, each node is connected through a high-strength bolt 12, a circle of steel beams 2 are arranged on the periphery of the lower portion of the truss structure, the main truss 3, the side trusses 5 and the steel beams 2 of the truss structure are connected through the high-strength bolts 12, loads are directly transmitted to the steel beams 2, steel columns 1 are arranged at the lower portion of the steel beams 2 according to a designed interval, the loads transmitted by the steel beams 2 are born, the steel beams 2 and the steel columns 1 are rigidly connected through welding, the upper truss structure system and the lower steel structure system jointly act, and the large-span reconstituted bamboo and steel structure beam column combined structure system with good overall stress performance is formed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Novel large-span recombinant bamboo truss and steel structure beam column combined structure and construction method thereof, comprising a steel beam (2), and is characterized in that: the bottom of girder steel (2) is provided with a plurality of steel column (1), the top of girder steel (2) is provided with a plurality of limit truss (5), the top of girder steel (2) is provided with a plurality of main truss (3), be provided with a plurality of secondary truss (4) between main truss (3) or main truss (3) and limit truss (5), be provided with a plurality of fossil fragments (6) between main truss (3) or main truss (3) and limit truss (5).
2. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 1 are characterized in that: the main truss (3), the secondary truss (4) and the side truss (5) comprise an upper chord member (7), a lower chord member (8), an inclined web member (9), a straight web member (10), a steel backing plate (11) and a high-strength bolt (12).
3. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 2 are characterized in that: one end fixed connection of straight web member (10) is on the top of chord member (8) down, go up chord member (7) fixed connection on the top of straight web member (10), the one end fixed connection of diagonal member (9) is in the middle part of chord member (8) down, the other end of diagonal member (9) is fixed connection respectively in the bottom left and right sides of chord member (7) down, lower chord member (8) of main truss (3) and side truss (5) are connected in the upper end of girder steel (2) through a plurality of high-strength bolt (12), steel backing plate (11) set up in high-strength bolt (12) inboard.
4. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 2 are characterized in that: the straight web member (10) is perpendicular to the upper chord member (7) and the lower chord member (8).
5. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 2 are characterized in that: the included angles between the inclined web members (9) and the lower chords (8) are forty-five degrees.
6. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 2 are characterized in that: the included angle between the inclined web members (9) is one hundred and thirty-five degrees.
7. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 2 are characterized in that: the included angles between the inclined web members (9) and the upper chord members (7) are forty-five degrees.
8. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 1 are characterized in that: the main truss (3) and the side trusses (5) can be spliced into a required length by a plurality of truss unit sections through high-strength bolts (12).
9. The novel large-span recombinant bamboo truss and steel structure beam column combined structure and the construction method thereof according to claim 1 are characterized in that: the high-strength bolt (12) is a tensile-type high-strength bolt.
10. The novel construction method of the large-span recombinant bamboo truss and the steel structure beam column is characterized by comprising the following steps:
Welding the steel beams (2) arranged on the periphery of the outer side of the structure on the steel column (1);
splicing truss unit sections into a main truss (3) and a side truss (5) with required lengths by using the high-strength bolts (12), and fixedly connecting lower chords (8) of the main truss (3) and the side truss (5) on the steel girder (2) by using the high-strength bolts (12);
Step three, the secondary truss (4) and the keels (6) are fixedly connected between the main trusses (3) by utilizing the high-strength bolts (12), and the secondary truss (4) and the keels (6) are fixedly connected between the main trusses (3) and the side truss (5) by utilizing the high-strength bolts (12);
step four: the truss inner straight web member (10) is fixedly connected to the top end of the lower chord member (8) by the high-strength bolt (12), and the upper chord member (7) is fixedly connected to the top end of the straight web member (10) by the high-strength bolt (12);
And fifthly, fixedly connecting the diagonal web member (9) in the truss between the lower chord member (8) and the upper chord member (7) by utilizing the high-strength bolts (12).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118273485A true CN118273485A (en) | 2024-07-02 |
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