CN105926851A - Large-span truss - Google Patents
Large-span truss Download PDFInfo
- Publication number
- CN105926851A CN105926851A CN201610515596.8A CN201610515596A CN105926851A CN 105926851 A CN105926851 A CN 105926851A CN 201610515596 A CN201610515596 A CN 201610515596A CN 105926851 A CN105926851 A CN 105926851A
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- Prior art keywords
- boom
- web member
- vertical web
- plate
- bolt
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a large-span truss which comprises a upper chord and a lower chord, wherein the upper chord is arc-shaped and is made of a bamboo material; the lower chord is arc-shaped or straight rod shaped; two ends of the upper chord and the lower chord are abutted, so that an arc-shaped space is formed between the upper chord and the lower chord; a plurality of vertical web members are arranged between the upper chord and the lower chord; an inclined web member is arranged between every two adjacent vertical web members; two ends of the inclined web member are respectively connected with the upper end and the lower end of different vertical web members; the vertical web members, the inclined web members and the lower chord form a triangle; the vertical web members are made of the bamboo material; the inclined web members are made of a metal material. The large-span truss is reasonable in design, simple in structure and convenient to mount, bamboo rods are replaced by steel rods, and rods can be effectively prevented from damage by pulling, so that the structural reliability can be ensured. Meanwhile, the large-span truss is simple and convenient to process, industrial production can be easily achieved, transportation and on-site assembling can be both relatively simple and convenient, and an important significance is brought to popularization of environment-friendly future large-span high-rise buildings.
Description
Technical field
The present invention relates to a kind of building element, especially a kind of employing unlike material is built, and is met the truss of the requirement of large span, a kind of large-span truss.
Background technology
At present, along with greatly across the development of bamboo-wood structure, the span of building is gradually increased, and acts on the load on roof system the most increasing.When use bamboo beam is as the carrying of roof system, owing to the tensile bearing capacity of bamboo beam is relatively low, the cross section of bamboo beam body needs to increase.But, the deadweight that large span heavy in section bamboo beam does not only result in beam body is relatively big, and bearing capacity can not meet the requirement that design uses；Meanwhile, large span large-sized bamboo beam body is unable to reach making full use of of material, especially near bearing position, can cause a large amount of wastes of material, be unsatisfactory for the requirement of economy.Use the demand that can meet large span of the truss structure of bamboo structure.But, the part-structure in the truss of bamboo structure, as tension web member is susceptible to fracture, it is impossible to meet the requirement of structure, therefore, it is necessary to design the satisfactory truss structure of other tensile strength..
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of large-span truss, not only structure flexible arrangement, and range of application is very wide, can apply to big in bamboo structure house roof system.Meanwhile, profile is succinct, attractive appearance, it is possible to achieve factorial praluction, it is also possible to Fast Installation, meets the requirement of green energy conservation.
The technical scheme is that
A kind of large-span truss, including top boom and lower boom, described top boom is arch, is made up of bamboo material；Described lower boom is arch or straight rod-shaped；Described top boom and the docking of lower boom two ends, make to be formed between the two arc space；Many vertical vertical web members it are provided with between described top boom and lower boom；It is provided with an oblique web member between every two adjacent vertical web members；The two ends of described oblique web member are connected to the upper and lower side of different vertical web member, make described vertical web member, oblique web member and lower boom form triangle；Described vertical web member is made up of bamboo material；Described oblique web member is made up of metal material.
Further, described lower boom is arch, is made up of bamboo material, and its two ends are connected by the two ends of connecting rod with described top boom.
Further, described lower boom is straight rod-shaped, is made up of metal wire rod, and its two ends are connected with the two ends of top boom by union joint.
Further, described vertical web member and oblique web member are connected with upper and lower chord member by upper junction plate and lower connecting plate respectively；Described upper junction plate is T font metallic plate, which is provided with multiple screw, it is possible to connect fixing by bolt by described vertical web member and top boom；Described lower connecting plate is T font metallic plate, which is provided with multiple screw, it is possible to connect fixing by bolt by described vertical web member and lower boom.
Further, described lower connecting plate is T font metallic plate, and bottom is provided with the tongue that opening is inside, enables straight rod-shaped lower boom through this tongue；Described connecting plate is provided with multiple screw so that it is can be connected by bolt and described vertical web member are fixing, and bolt can be used to be connected with each other by two pieces of connecting plates.
Further, described upper junction plate and lower connecting plate are respectively equipped with two otic placodes, and installing hole is set on this otic placode, enable described oblique web member to pass this installing hole, and fix with steel pad and nut.
Further, described connecting rod is connected with top boom or lower boom with bolt by interpolation steel plate；Described interpolation steel plate is V-arrangement, and its angle is obtuse angle or acute angle, is separately adapted to the junction shape of top boom or lower boom and connecting rod；Described interpolation steel plate is provided with multiple through hole, it is possible to inserts top boom or lower boom and connecting rod, and is connected through through hole and rod member are fixing with bolt.
Further, described union joint includes base plate, which is provided with wedge shape anchorage；Described base plate is provided with multiple screw, it is possible to it be connected fixing with top boom by bolt；Described anchorage is provided with horizontal through hole, enables described lower boom through this through hole and to use steel pad and nut to fix.
Beneficial effects of the present invention:
The present invention is reasonable in design, simple in construction, easy for installation, by using steel rod member to replace bamboo wood rod member, can be prevented effectively from the tensile failure of rod member, it is ensured that reliability of structure.Meanwhile, processing simplicity, easily realize factorial praluction, and transport is all compared with on-site consolidation easy, plays an important role across the popularization of skyscraper greatly for realizing environmental protection and future.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of obtuse angle interpolation steel plate.
Fig. 3 is the structural representation of acute angle interpolation steel plate.
Fig. 4 is the enlarged diagram of A in Fig. 1.
Fig. 5 is the lower connecting plate I structural representation in embodiment one.
Fig. 6 is the structural representation of the embodiment of the present invention two.
Fig. 7 is union joint structural representation.
Fig. 8 is the lower connecting plate II structural representation in embodiment two.
Fig. 9 is the side view of the lower connecting plate II in embodiment two.
Figure 10 is the enlarged diagram of B in Fig. 6.
Wherein: 1-top boom；2-lower boom I；The vertical web member of 3-；The oblique web member of 4-；5-connecting rod；6-upper junction plate；7-lower connecting plate I；9-steel pad；10-nut；11-lower boom II；12-lower connecting plate II；12-1-tongue；13-union joint；13-1-base plate；13-2-anchorage；13-3-through hole；15-otic placode；15-1-installing hole；16-bolt；17-screw.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one.
As Figure 1-5.A kind of large-span truss, including top boom 1 and lower boom I2, described top boom 1 and lower boom I2 are arch, and are made by bamboo material.Described top boom 1 is connected by connecting rod 5 with lower boom I2 two ends, makes to be formed between the two arc space.Wherein, described connecting rod 5 is connected with top boom 1 or lower boom I2 with bolt by interpolation steel plate.Described interpolation steel plate is V-arrangement, and its angle is obtuse angle or acute angle, is separately adapted to the junction shape of top boom or lower boom I and connecting rod.Described interpolation steel plate is provided with multiple screw 17, it is simple to install bolt.During connection, process, in the corresponding junction of top boom 1, lower boom I2 and connecting rod 5, the groove adapted with interpolation steel plate.Then, by interpolation steel plate insertion groove, and tighten after rod member and interpolation steel plate with bolt, make to be connected firmly between rod member.
Many vertical vertical web members 3 it are provided with between described top boom 1 and lower boom I2.This vertical web member 3 is made up of bamboo material, and length differs, to adapt to the height in space residing for every vertical web member 3.Described vertical web member 3 is laterally uniform, makes stress equalization.It is provided with an oblique web member 4 between every two adjacent vertical web members 3, and the two ends of this oblique web member 4 are connected to the upper and lower side of different vertical web member 3, described vertical web member 3, oblique web member 4 and lower boom I2 is made to form triangle so that it is to have enough support strengths.Described oblique web member 4 is made up of metal material, such as steel strand wires or steel wire rope etc., can effectively increase resistance to tension, it is to avoid tension and rupture.
Described vertical web member 3 and oblique web member 4 are connected with top boom 1 and lower boom I2 by upper junction plate 6 and lower connecting plate I7 respectively.Described upper junction plate 6 is identical with the shape of lower connecting plate I7, is T font metallic plate, which is provided with multiple screw 17, it is possible to be connected fixing with top boom 1 or lower boom I2 for described vertical web member 3 by bolt.Owing to top boom 1 and lower boom I2 are arc, therefore, the T-shape of described upper junction plate 6 and lower connecting plate I7 is slightly changed, to adapt to the shape of different junction point.It is equipped with two otic placodes 15 on described upper junction plate 6 and lower connecting plate I7, and installing hole 15-1 is set on this otic placode 15, after making described oblique web member 4 pass this installing hole 15-1, fix with steel pad 9 and nut 10.Wherein, described otic placode 15 is tilting, and its angle adapts with this connecting plate location, makes oblique web member 4 substantially vertical with described otic placode 15.
Embodiment two.
As illustrated in figures 6-10, a kind of large-span truss, including top boom 1 and lower boom II11.Wherein, described top boom 1 is arch, is made up of bamboo material.Described lower boom II11 is straight rod-shaped, is made up of metal wire rod, and such as steel strand wires or steel wire rope etc., its two ends are connected by the two ends of union joint 13 with top boom 1, make to be formed between the two arc space.Described union joint 13 includes base plate 13-1, which is provided with wedge shape anchorage 13-2；Described base plate 13-1 is provided with multiple screw 17, it is possible to it 1 fixing be connected with top boom by bolt.Described anchorage 13-2 is provided with horizontal through hole 13-3, after enabling described lower boom II11 to pass this through hole 13-3, uses steel pad and nut to anchor.
Many vertical vertical web members 3 it are provided with between described top boom 1 and lower boom II11；It is provided with an oblique web member 4 between every two adjacent vertical web members；The two ends of described oblique web member 4 are connected to the upper and lower side of the different vertical web member 4 being adjacent, and make described vertical web member 3, oblique web member 4 and lower boom II11 triangle；Described vertical web member 3 is made up of bamboo material, and described oblique web member 4 is made up of metal material.
Described vertical web member 3 and oblique web member 4 are connected with top boom 1 and lower boom II12 by upper junction plate 6 and lower connecting plate II12 respectively.Described upper junction plate 6 is T font metallic plate, which is provided with multiple screw, it is possible to by bolt by described vertical web member 3 and the fixing connection of top boom 1.Described lower connecting plate II12 is T font metallic plate, and bottom is provided with the tongue that opening is inside, enables lower boom II to pass this tongue 12-1；Described lower connecting plate II12 is provided with multiple screw 17, its top is enable to be connected by bolt 16 is fixing with described vertical web member 3, two pieces of lower connecting plate II12 then can be connected with each other by bottom by bolt 16, and makes lower boom II11 be limited between bolt 16 and lower connecting plate II12.It is respectively equipped with two otic placodes 15 on described upper junction plate 6 and lower connecting plate II12, and installing hole 15-1 is set on this otic placode 15, after making described oblique web member 4 pass this installing hole 15-1, fix with steel pad 9 and nut 10.Wherein, described otic placode 15 is tilting, and its angle adapts with this connecting plate location, makes oblique web member substantially vertical with described otic placode.
Upper junction plate and lower connecting plate in above-described embodiment one and embodiment two are two pieces of opposed installations, are respectively placed in the both sides of chord member and web member, it is ensured that be connected firmly.Union joint in above-described embodiment two is also the mounted in pairs both sides at top boom, and installs two lower boom II11, it is ensured that the intensity of truss.
Part that the present invention does not relate to is the most same as the prior art maybe can use prior art to be realized.
Claims (8)
1. a large-span truss, including top boom and lower boom, is characterized in that described top boom is arch, is made up of bamboo material；Described lower boom is arch or straight rod-shaped；Described top boom and the docking of lower boom two ends, make to be formed between the two arc space；Many vertical vertical web members it are provided with between described top boom and lower boom；It is provided with an oblique web member between every two adjacent vertical web members；The two ends of described oblique web member are connected to the upper and lower side of different vertical web member, make described vertical web member, oblique web member and lower boom form triangle；Described vertical web member is made up of bamboo material；Described oblique web member is made up of metal material.
Large-span truss the most according to claim 1, is characterized in that described lower boom is arch, is made up of bamboo material, its two ends are connected by the two ends of connecting rod with described top boom.
Large-span truss the most according to claim 1, is characterized in that described lower boom is straight rod-shaped, is made up of metal wire rod, its two ends are connected with the two ends of top boom by union joint.
Large-span truss the most according to claim 1, is characterized in that described vertical web member and oblique web member are connected with upper and lower chord member by upper junction plate and lower connecting plate respectively；Described upper junction plate is T font metallic plate, which is provided with multiple screw, it is possible to connect fixing by bolt by described vertical web member and top boom；Described lower connecting plate is T font metallic plate, which is provided with multiple screw, it is possible to connect fixing by bolt by described vertical web member and lower boom.
Large-span truss the most according to claim 4, is characterized in that described lower connecting plate is T font metallic plate, and bottom is provided with the tongue that opening is inside, enables straight rod-shaped lower boom through this tongue；Described connecting plate is provided with multiple screw so that it is can be connected by bolt and described vertical web member are fixing, and bolt can be used to be connected with each other by two pieces of connecting plates.
6. according to the arbitrary described large-span truss of claim 4 or 5, it is characterized in that on described upper junction plate and lower connecting plate, being respectively equipped with two otic placodes, and installing hole is set on this otic placode, enable described oblique web member to pass this installing hole, and fix with steel pad and nut.
Large-span truss the most according to claim 2, is characterized in that described connecting rod is connected with top boom or lower boom with bolt by interpolation steel plate；Described interpolation steel plate is V-arrangement, and its angle is obtuse angle or acute angle, is separately adapted to the junction shape of top boom or lower boom and connecting rod；Described interpolation steel plate is provided with multiple through hole, it is possible to inserts top boom or lower boom and connecting rod, and is connected through through hole and rod member are fixing with bolt.
Large-span truss the most according to claim 3, is characterized in that described union joint includes base plate, which is provided with wedge shape anchorage；Described base plate is provided with multiple screw, it is possible to it be connected fixing with top boom by bolt；Described anchorage is provided with horizontal through hole, enables described lower boom through this through hole and to use steel pad and nut to fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610515596.8A CN105926851A (en) | 2016-07-04 | 2016-07-04 | Large-span truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610515596.8A CN105926851A (en) | 2016-07-04 | 2016-07-04 | Large-span truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105926851A true CN105926851A (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610515596.8A Pending CN105926851A (en) | 2016-07-04 | 2016-07-04 | Large-span truss |
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| Country | Link |
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| CN (1) | CN105926851A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469258A (en) * | 2018-11-21 | 2019-03-15 | 南京工业大学 | A kind of lower edge uses the steel bamboo roof truss of round steel pipe |
| CN109779147A (en) * | 2019-03-01 | 2019-05-21 | 南京林业大学 | A kind of parallel chords steel bamboo composite roof truss structure |
| CN111501523A (en) * | 2020-04-30 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Transverse node structure of railway steel truss arch |
| CN109779147B (en) * | 2019-03-01 | 2024-07-02 | 南京林业大学 | Parallel chord steel bamboo combined truss structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748809A (en) * | 1971-08-09 | 1973-07-31 | Steel Web Corp | Trussed joist structure |
| US4376362A (en) * | 1979-02-21 | 1983-03-15 | Steel Web Corporation | Truss employing both metallic and non-metallic webs |
| CN101949170A (en) * | 2010-09-21 | 2011-01-19 | 林娟 | Member-insertion type aluminum-alloy truss structure with plate gussets |
| CN104631703A (en) * | 2015-02-16 | 2015-05-20 | 黄志巍 | Bamboo structure building roof system and construction process thereof |
| CN205822587U (en) * | 2016-07-04 | 2016-12-21 | 江苏建科节能技术有限公司 | A kind of large-span truss |
-
2016
- 2016-07-04 CN CN201610515596.8A patent/CN105926851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748809A (en) * | 1971-08-09 | 1973-07-31 | Steel Web Corp | Trussed joist structure |
| US4376362A (en) * | 1979-02-21 | 1983-03-15 | Steel Web Corporation | Truss employing both metallic and non-metallic webs |
| CN101949170A (en) * | 2010-09-21 | 2011-01-19 | 林娟 | Member-insertion type aluminum-alloy truss structure with plate gussets |
| CN104631703A (en) * | 2015-02-16 | 2015-05-20 | 黄志巍 | Bamboo structure building roof system and construction process thereof |
| CN205822587U (en) * | 2016-07-04 | 2016-12-21 | 江苏建科节能技术有限公司 | A kind of large-span truss |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469258A (en) * | 2018-11-21 | 2019-03-15 | 南京工业大学 | A kind of lower edge uses the steel bamboo roof truss of round steel pipe |
| CN109779147A (en) * | 2019-03-01 | 2019-05-21 | 南京林业大学 | A kind of parallel chords steel bamboo composite roof truss structure |
| CN109779147B (en) * | 2019-03-01 | 2024-07-02 | 南京林业大学 | Parallel chord steel bamboo combined truss structure |
| CN111501523A (en) * | 2020-04-30 | 2020-08-07 | 中铁二院工程集团有限责任公司 | Transverse node structure of railway steel truss arch |
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| PB01 | Publication | ||
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Application publication date: 20160907 |