CN214402198U - Composite material section bar beam lengthening structure - Google Patents
Composite material section bar beam lengthening structure Download PDFInfo
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- CN214402198U CN214402198U CN202023217381.9U CN202023217381U CN214402198U CN 214402198 U CN214402198 U CN 214402198U CN 202023217381 U CN202023217381 U CN 202023217381U CN 214402198 U CN214402198 U CN 214402198U
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- plate
- lengthening
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- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a composite material section beam lengthening structure, which comprises two I-shaped beams; the two ends of the I-beam are respectively a long connecting end and a fixed end; the connecting length ends of the two I-beams are butted, and the web plates and the flange plates of the connecting length ends of the two I-beams are fixedly connected with the first bolt group through the connecting plate group; the web plates of the fixed ends of the two I-shaped beams are fixedly connected with the outer fixed end through the fixed plate group and the second bolt group. The utility model discloses an increase the joint strength and the rigidity by the tie-beam with the fixed mode of link plate group, utilize the fastening of link plate group and first bolt group to further improve connection structure's stability for the I-beam after lengthening can satisfy bearing capacity and rigidity demand, be applied to PFRP I-beam with section bar roof beam connection method and connect, can effectively utilize the structure and the performance advantage of new material, promote the use and the development of new material, and can furthest improve node connection structure's rigidity and intensity.
Description
Technical Field
The utility model relates to a civil engineering technical field, more specifically the saying so relates to a combined material section bar roof beam extension structure.
Background
The fiber reinforced composite material pultruded profile, PFRP for short, is a novel profile produced by taking FRP fiber yarns as a material through a pultrusion process, has the advantages of consistent light weight, high strength, corrosion resistance, convenient processing and the like of FRP materials, and simultaneously has the remarkable advantage of high production efficiency, so that the material can be popularized in a large area and applied to structures in general environments or special environments.
The connection problem of the PFRP section bars is always the focus of attention of various scholars, and the previous research on the connection of the PFRP section bars mainly focuses on the connection of plates, and the connection modes comprise bolt connection, glue joint connection and glue bolt mixed connection. The failure of the connection of the sheets occurs mainly in one plane, which is a two-dimensional problem. The connection of sectional materials such as I-beams and rectangular slabs can be damaged on all surfaces, such as fiber and matrix cracking damage, interlayer peeling damage and the like, is a three-dimensional problem, the connection mode which is suitable for plates in the past cannot be directly used for node connection of pipes, and a plurality of problems need to be solved. Meanwhile, the composite material cannot be welded, which also generates higher requirements on the connection mode.
Therefore, how to provide a high-strength composite material section beam extension structure to meet the needs of section beams under different conditions is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a composite material section bar roof beam extension structure aims at solving above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a composite material section beam lengthening structure comprises two I-shaped beams; the two ends of the I-beam are respectively a lengthening end and a fixing end; the web plates and the flange plates of the extension ends of the two I-shaped beams are fixedly connected with the first bolt group through the connecting plate group; and webs of the fixed ends of the two I-shaped beams are fixedly connected with the outer fixed end through the fixed plate group and the second bolt group.
Through the technical scheme, the utility model discloses a mode fixed with connecting plate group increases by the joint strength and the rigidity of tie-beam, utilizes the fastening of connecting plate group and first bolt group to further improve connection structure's stability for the I-beam after lengthening can satisfy bearing capacity and rigidity demand.
Preferably, in the composite material section beam lengthening structure, the i-beam is made of PFRP material. The PFRP material has the advantages of light weight, high strength, corrosion resistance, convenient processing and the like.
Preferably, in the composite profile beam extension structure, the first bolt group and the second bolt group are made of PFRP materials. The PFRP material has the advantages of light weight, high strength, corrosion resistance, convenient processing and the like.
Preferably, in the composite material section beam lengthening structure, the connecting plate group comprises two web connecting plates and two flange connecting plates; the two web connecting plates are respectively positioned on two sides of a web of the I-beam; and the two flange connecting plates are respectively positioned on the outer sides of the flange plates of the I-shaped beam. Can satisfy the connection to web and flange board, improve structural strength and stability.
Preferably, in the composite material section beam lengthening structure, a plurality of first lengthening connecting holes are formed in a web plate and a flange plate at the lengthening end of the i-beam; a plurality of second elongated connecting holes corresponding to the first elongated connecting holes are formed in the web connecting plate and the flange connecting plate; the first bolt group is connected with the first lengthening connecting hole and the second lengthening connecting hole. The connection requirement of the first bolt group can be met.
Preferably, in the composite material section beam lengthening structure, the web connecting plate and the flange connecting plate are made of PFRP materials. The PFRP material has the advantages of light weight, high strength, corrosion resistance, convenient processing and the like.
Preferably, in the composite material section beam extension structure, the fixed plate group comprises two angle steel plates; the two angle steel plates are symmetrically arranged on two sides of a web plate of the I-shaped beam; the angle steel plate is respectively used for connecting the web plate of the I-beam and the outer fixed end. Can satisfy the connection of I-beam and outer stiff end, improve structural strength and stability.
Preferably, in the composite material section beam lengthening structure, a web plate at the fixed end of the i-beam is provided with a plurality of first fixed connection holes; the angle steel plate is provided with a plurality of second fixed connecting holes corresponding to the first fixed connecting holes and a third fixed connecting hole used for being connected with the outer fixed end; the second bolt group is connected with the first fixed connecting hole, the second fixed connecting hole and the third fixed connecting hole. The connection requirements of the second bolt group can be met.
Preferably, in the composite material section beam extension structure, the angle steel plate is made of PFRP material. The PFRP material has the advantages of light weight, high strength, corrosion resistance, convenient processing and the like.
The utility model provides a connecting method of composite material section bar beam extension structure includes following steps:
s1, designing the use parameters of the I-beam, the connecting plate group, the fixing plate group, the first bolt group and the second bolt group according to the bearing capacity requirement of the connected beam;
s2, forming holes on the web plate and the flange plate at the extension end of the I-beam according to the size and the assembly error of the first bolt group, and correspondingly forming holes on the connecting plate group;
s3, forming holes on a web plate of the fixed end of the I-beam according to the size and the assembly error of the second bolt group, and correspondingly forming holes on the fixed plate group;
s4, respectively attaching the connecting plate groups to the top surface and the bottom surface of the flange plate at the extension end of the I-beam and the two sides of the web plate, and fastening and connecting the connecting plate groups through first bolt groups; the fixing plate group is attached to two sides of a web plate of the fixed end of the I-beam and is fixedly connected with the web plate through the second bolt group.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a composite material section bar roof beam extension structure has following beneficial effect:
1. the utility model provides a combined material type roof beam connection technology convenient to design and installation can realize fast that the installation is convenient, and the practicality is strong, the facilitate promotion to each construction material's parametric design and selection.
2. The utility model discloses be applied to PFRP I-beam and rectangle lath with section bar node connection structure and connect, can effectively utilize the structure and the performance advantage of new material, promote the use and the development of new material, and can improve node connection structure's rigidity and intensity by the at utmost.
3. The utility model discloses a combined material section bar extension roof beam of preparation can be used as bearing structure, because combined material can't weld, in some unable engineering that uses large-scale machinery transportation installation large-span roof beam, uses combined material section bar roof beam concatenation method to extend the roof beam to satisfy size requirement and bearing capacity's demand. The composite material is suitable for projects in extreme environments and remote blocked areas, and has good corrosion resistance and structural bearing capacity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a composite material section beam lengthening structure provided by the present invention;
fig. 2 is an exploded view of a part of the structure provided by the present invention.
Wherein:
1-an i-beam;
11-a lengthened end; 12-a fixed end; 13-a first elongated connection hole; 14-a first fixed attachment hole;
2-a set of connection plates;
21-a web connection plate; 22-flange connection plate; 23-a second elongated connection hole;
3-a first bolt group;
4-fixing the plate group;
41-angle steel plate; 42-a second fixed attachment hole; 43-a third fixed attachment hole;
5-second bolt group.
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 only some embodiments of the present invention, not all embodiments. 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.
Referring to the attached drawings 1 and 2, the embodiment of the utility model discloses a composite material section beam lengthening structure, which comprises two I-shaped beams 1; the two ends of the I-beam 1 are respectively a lengthening end 11 and a fixing end 12; the extension ends 11 of the two I-beams 1 are involuted, and the web plates and the flange plates of the extension ends 11 of the two I-beams 1 are fixedly connected with the first bolt group 3 through the connecting plate group 2; the web plates of the fixed ends 12 of the two I-shaped beams 1 are fixedly connected with the outer fixed ends through the fixed plate group 4 and the second bolt group 5.
In order to further optimize the technical scheme, the I-beam 1, the first bolt group 3 and the second bolt group 5 are made of PFRP materials.
In order to further optimize the above technical solution, the connection plate group 2 includes two web connection plates 21 and two flange connection plates 22; the two web connecting plates 21 are respectively positioned at two sides of the web of the I-beam 1; the two flange connecting plates 22 are respectively positioned on the outer sides of the flange plates of the I-beam 1.
In order to further optimize the technical scheme, a plurality of first lengthening connecting holes 13 are formed in a web plate and a flange plate of the lengthening end 11 of the I-beam 1; a plurality of second elongated connecting holes 23 corresponding to the first elongated connecting holes 13 are formed in the web connecting plate 21 and the flange connecting plate 22; the first bolt group 3 connects the first elongated connection hole 13 and the second elongated connection hole 23.
In order to further optimize the technical scheme, the web connecting plate 21 and the flange connecting plate 22 are made of PFRP materials.
In order to further optimize the above technical solution, the fixing plate set 4 includes two angle steel plates 41; the two angle steel plates 41 are symmetrically arranged on two sides of a web plate of the I-beam 1; the angle steel plates 41 are respectively used for connecting the web plate and the outer fixed end of the I-beam 1.
In order to further optimize the technical scheme, a web plate of the fixed end 12 of the I-beam 1 is provided with a plurality of first fixed connecting holes 14; the angle steel plate 41 is provided with a plurality of second fixed connecting holes 42 corresponding to the first fixed connecting holes 14 and third fixed connecting holes 43 used for connecting with the external fixed ends; the second bolt group 5 connects the first and second fixed connection holes 14 and 42, and the second and third fixed connection holes 42 and 43.
In order to further optimize the above technical solution, the angle steel plate 41 is made of PFRP material.
The utility model provides a connecting method of composite material section bar beam extension structure includes following steps:
s1, designing the use parameters of the I-beam 1, the connecting plate group 2, the fixing plate group 4, the first bolt group 3 and the second bolt group 5 according to the bearing capacity requirement of the connected beam;
s2, forming holes on the web plate and the flange plate of the lengthened end 11 of the I-beam 1 according to the size and the assembly error of the first bolt group 3, and correspondingly forming holes on the connecting plate group 2;
s3, forming holes on the web plate of the fixed end 12 of the I-beam 1 according to the size and the assembly error of the second bolt group 5, and correspondingly forming holes on the fixed plate group 4;
s4, respectively attaching the connecting plate groups 2 to the top surface and the bottom surface of the flange plate of the extension end 11 of the I-beam 1 and two sides of the web plate, and fixedly connecting the connecting plate groups through the first bolt groups 3; the fixed plate groups 4 are attached to two sides of a web plate of the fixed end 12 of the I-shaped beam 1 and are fixedly connected through the second bolt groups 5.
The sizes of the web connecting plate 21 and the flange connecting plate 22 are set according to the bearing capacity requirement of the connected rear beam and the side length of the I-shaped beam 1.
The sizes of the first bolt group 3 and the second bolt group 5, the distances between the first bolt group 3 and the second bolt group 5 and the beam edge of the I-shaped beam 1 and the distances between the bolts in the first bolt group 3 and the second bolt group 5 are set according to the bearing capacity requirement of the connected rear beam.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A composite material section beam lengthening structure is characterized by comprising two I-shaped beams (1); the two ends of the I-beam (1) are respectively a lengthening end (11) and a fixing end (12); the extension ends (11) of the two I-shaped beams (1) are involuted, and the web plates and the flange plates of the extension ends (11) of the two I-shaped beams (1) are fixedly connected with the first bolt group (3) through the connecting plate group (2); the webs of the fixed ends (12) of the two I-shaped beams (1) are fixedly connected with the outer fixed end through the fixed plate group (4) and the second bolt group (5).
2. A composite profile beam extension structure according to claim 1, wherein said i-beam (1), said first bolt group (3) and said second bolt group (5) are all PFRP material.
3. A composite profile beam extension structure according to claim 1, wherein the set of connection plates (2) comprises two web connection plates (21) and two flange connection plates (22); the two web connecting plates (21) are respectively positioned on two sides of a web of the I-shaped beam (1); the two flange connecting plates (22) are respectively positioned on the outer sides of the flange plates of the I-shaped beam (1).
4. The composite material section beam lengthening structure according to claim 3, wherein a plurality of first lengthening connecting holes (13) are formed in a web plate and a flange plate of the lengthening end (11) of the I-beam (1); a plurality of second elongated connecting holes (23) corresponding to the first elongated connecting holes (13) are formed in the web connecting plate (21) and the flange connecting plate (22); the first bolt group (3) is connected with the first elongated connecting hole (13) and the second elongated connecting hole (23).
5. A composite section beam extension structure according to claim 3 or 4, characterized in that the web flanges (21) and the flange flanges (22) are both PFRP material.
6. A composite profile beam extension structure according to claim 1, wherein said set of fixed plates (4) comprises two angle plates (41); the two angle steel plates (41) are symmetrically arranged on two sides of a web plate of the I-shaped beam (1); the angle steel plate (41) is used for being connected with the web plate of the I-shaped beam (1) and the outer fixed end respectively.
7. The composite material section beam lengthening structure is characterized in that a web plate of a fixed end (12) of the I-beam (1) is provided with a plurality of first fixed connecting holes (14); the angle steel plate (41) is provided with a plurality of second fixed connecting holes (42) corresponding to the first fixed connecting holes (14) and third fixed connecting holes (43) used for being connected with the outer fixed ends; the second bolt group (5) connects the first fixing connection hole (14) and the second fixing connection hole (42), and the second fixing connection hole (42) and the third fixing connection hole (43).
8. A composite profile beam extension structure according to claim 6 or 7, wherein said angle steel plate (41) is PFRP material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023217381.9U CN214402198U (en) | 2020-12-28 | 2020-12-28 | Composite material section bar beam lengthening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023217381.9U CN214402198U (en) | 2020-12-28 | 2020-12-28 | Composite material section bar beam lengthening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214402198U true CN214402198U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023217381.9U Expired - Fee Related CN214402198U (en) | 2020-12-28 | 2020-12-28 | Composite material section bar beam lengthening structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214402198U (en) |
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2020
- 2020-12-28 CN CN202023217381.9U patent/CN214402198U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |