CN116607627A - Split type beam column connecting joint of composite material member - Google Patents
Split type beam column connecting joint of composite material member Download PDFInfo
- Publication number
- CN116607627A CN116607627A CN202310826338.1A CN202310826338A CN116607627A CN 116607627 A CN116607627 A CN 116607627A CN 202310826338 A CN202310826338 A CN 202310826338A CN 116607627 A CN116607627 A CN 116607627A
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- China
- Prior art keywords
- split type
- node
- connecting flange
- horizontal
- type connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 239000003733 fiber-reinforced composite Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 3
- 210000001015 abdomen Anatomy 0.000 claims description 72
- 230000007935 neutral effect Effects 0.000 claims description 17
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/28—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of other material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a spliced beam column connecting node of a composite material member, which relates to the technical field of engineering structures and comprises a fiber reinforced composite material column, a fiber reinforced composite material beam and a spliced node connecting piece, wherein the spliced node connecting piece consists of four metal spliced sub-connecting pieces which have the same structure and are high in corrosion resistance or corrosion resistance, the spliced sub-connecting piece comprises a vertical spliced web member, a horizontal spliced web member, an upper spliced connecting flange and a lower spliced connecting flange, the vertical spliced web member is used for fixedly connecting column ends at the nodes, and a horizontal limiting partition plate is arranged at the middle position. The four split sub-connectors are enclosed to form a complete split node connector, and the four split sub-connectors are connected through bolts to provide enough pretightening force to ensure that the node connection strength and rigidity meet the design requirements. The device has the advantages of simple design, simple composition, rapid assembly, strong bearing and deformation resistance, safety, reliability and good economy.
Description
Technical Field
The invention relates to the technical field of engineering structures, in particular to a split type beam column connecting node of a composite material member.
Background
Common fiber reinforced composite materials include carbon fiber, glass fiber, aramid fiber, basalt fiber reinforced composite materials and the like. The fiber reinforced composite material is light and high-strength, the structural member can be designed and customized, and is formed in one step through processes such as pultrusion, winding, mould pressing and the like, has the advantages of high specific strength, large specific modulus, corrosion resistance, fatigue resistance, creep resistance, impact resistance, temperature resistance, insulation and the like, is an ideal engineering structural material which can be used for special requirements on light and corrosion resistance of the structure, and is widely applied to the fields such as aerospace, marine vessels, automobile engineering, weaponry, traffic engineering, civil engineering and the like. The node connection of the components of the fiber reinforced composite material structure mainly comprises a plurality of forms such as bolt connection, bonding connection, glue bolt mixed connection and the like. When the bolt connection is adopted, holes are required to be punched on the fiber composite structural member, a conservative safety redundancy design is required to be carried out during the design, or reinforcing and reinforcing measures are considered to be adopted on the inner side of the hole wall; when the structural nodes are connected by adopting single bonding, the influence of the durability of the structural adhesive on the service performance of the engineering structural nodes is required to be considered, so that the economic cost is increased intangibly; when the rubber bolt is adopted for mixed connection, although the connecting node has larger bearing capacity, the connecting node is difficult to reuse after being assembled and molded. The present invention thus improves upon this by employing a split beam-column connection node for a composite member that avoids direct tapping of the fiber reinforced composite member.
Disclosure of Invention
The invention aims to provide a spliced beam column connecting node of a composite material member, which has the advantages of simple structure, simple composition, rapid assembly, strong bearing and deformation resistance, high reliability and good economy.
In order to achieve the above object, the present invention provides a split beam column connection node of a composite material member, including a fiber reinforced composite material column, a fiber reinforced composite material beam, and a split node connector, wherein the split node connector is composed of four split sub-connectors having the same structure, the split sub-connectors include a vertical split type belly suite, a horizontal split type belly suite, an upper split type connection flange, and a lower split type connection flange, both sides of the vertical split type belly suite are connected with the horizontal split type belly suite, the upper split type connection flange, and the lower split type connection flange, and a horizontal limiting partition is provided in the middle of the vertical split type belly suite; the fiber reinforced composite material column comprises a node upper column and a node lower column, and the node upper column and the node lower column are connected with the vertical split type abdomen sleeve; the fiber reinforced composite beam comprises a node left beam, a node right beam, a node front beam and a node rear beam, wherein the node left beam, the node right beam, the node front beam and the node rear beam are connected with the horizontal split type abdomen external member, the node left beam and the node right Liang Tongxiang are arranged, the node front beam and the node rear Liang Tongxiang are arranged, and the axes of the node left beam and the node right beam are perpendicularly intersected with the axes of the node front beam and the node rear beam at a connecting node.
Preferably, the horizontal split type abdomen external member can be divided into a horizontal split type abdomen external member I and a horizontal split type abdomen external member II, wherein the horizontal split type abdomen external member I and the horizontal split type abdomen external member II are respectively connected with the left side and the right side of the vertical split type abdomen external member.
Preferably, the upper split type connecting flange comprises an upper split type connecting flange I and an upper split type connecting flange II which are symmetrical along the vertical neutral plane of the split type sub-connecting piece, vertical parts of the upper split type connecting flange I and the upper split type connecting flange II are respectively connected with the left side and the right side of the vertical split type abdomen external member, and horizontal parts of the upper split type connecting flange I and the upper split type connecting flange II are respectively connected with the horizontal split type abdomen external member I and the horizontal split type abdomen external member II.
Preferably, the lower split type connecting flange comprises a lower split type connecting flange I and a lower split type connecting flange II which are symmetrical along the vertical neutral plane of the split type sub-connecting piece, vertical parts of the lower split type connecting flange I and the lower split type connecting flange II are respectively connected with the left side and the right side of the vertical split type abdomen external member, and horizontal parts of the lower split type connecting flange I and the lower split type connecting flange II are respectively connected with the horizontal split type abdomen external member I and the horizontal split type abdomen external member II.
Preferably, the vertical split type belly suite, the upper split type connecting flange I, the upper split type connecting flange II, the lower split type connecting flange I and the lower split type connecting flange II are all L-shaped connecting plate structures.
Preferably, the horizontal split type sub-web sleeve I and the horizontal split type sub-web sleeve II are both in a U-shaped groove connecting plate structure.
Preferably, the vertical split type belly suite, the horizontal split type belly suite I and the horizontal split type belly suite II are symmetrical with respect to a vertical neutral plane and a horizontal neutral plane of the split type sub-connector at the same time, and the upper split type connecting flange I, the upper split type connecting flange II, the lower split type connecting flange I and the lower split type connecting flange II are symmetrical with respect to a horizontal neutral plane of the split type sub-connector.
Preferably, the horizontal and axial central lines of the upper split type connecting flange I, the upper split type connecting flange II, the lower split type connecting flange I and the lower split type connecting flange II are respectively provided with uniformly arranged bolt holes.
Therefore, the spliced beam column connecting node of the composite material member adopting the structure provides a node connecting mode for avoiding direct perforation on the fiber composite material structural member, better exerts the stress performance of the fiber composite material structural member, improves the reliability of the structure, and has the advantages of simple structure, simple composition, rapid assembly, strong bearing and deformation resistance, high reliability and good economy.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic illustration of a construction of an embodiment of a split beam-column connection node of a composite member according to the present invention;
FIG. 2 is a schematic illustration of a split sub-joint of a split beam-column joint of a composite member according to the present invention;
reference numerals
1. The node is put on a column; 2. the node is put down on the column; 3. a left beam of the node; 4. a right beam of the node; 5. a node front beam; 6. a node back beam; 7. the node is provided with a column and a vertical split type abdomen sleeve; 8. the node lower column is vertically spliced; 9. an upper split type connecting flange I; 10. an upper split type connecting flange II; 11. a horizontal split sub-abdomen external member I; 12. a horizontal split sub-abdomen external member II; 13. a lower split type connecting flange I; 14. a lower split type connecting flange II; 15. bolt holes; 16. and a horizontal limiting baffle plate.
Detailed Description
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", etc. are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.
Examples
Referring to fig. 1-2, the invention provides a split beam-column connection node of a composite member, which comprises a fiber reinforced composite column, a fiber reinforced composite beam and a split node connector, wherein the fiber reinforced composite column comprises an upper node column 1 and a lower node column 2, the fiber reinforced composite beam comprises a left node beam 3, a right node beam 4, a front node beam 5 and a rear node beam 6, the left node beam 3 and the right node beam 4 are arranged in the same direction, the front node beam 5 and the rear node beam 6 are arranged in the same direction, the axes of the left node beam 3 and the right node beam 4 and the axes of the front node beam 5 and the rear node beam 6 are vertically intersected at the node, the split node connector is composed of four metal split sub connectors which have the same structure and are high corrosion resistant or corrosion resistant, each split sub connector comprises a vertical split web sleeve, a horizontal split web sleeve, an upper split connection flange and a lower split connection flange, and the upper node column 1 and the lower node column 2 are connected with the vertical split web sleeve, and the right node beam 3, the right node beam 4 and the front node beam 6 are connected with the front node beam 6.
The vertical split type abdomen external member is used for the connection of the column end collar sleeve at the node, the middle part of the vertical split type abdomen external member is provided with a horizontal limiting baffle 16, the horizontal limiting baffle 16 divides the vertical split type abdomen external member into two parts of a vertical split type abdomen external member 7 at the node and a vertical split type abdomen external member 8 at the node, the upper column 1 of the node is connected with the vertical split type abdomen external member 7 at the node, the lower column 2 of the node is connected with the vertical split type abdomen external member 8 at the node, and the horizontal limiting baffle 16 plays a limiting role on the fiber reinforced composite column.
The horizontal split type abdomen external member is used for connecting the beam end hoop sleeve at the joint, the horizontal split type abdomen external member comprises a horizontal split type abdomen sub external member I11 and a horizontal split type abdomen sub external member II 12, the horizontal split type abdomen sub external member I11 and the horizontal split type abdomen sub external member II 12 are respectively connected with the left side and the right side of the vertical split type abdomen external member, the horizontal split type abdomen sub external member I and the horizontal split type abdomen sub external member II are of U-shaped groove connecting plate structures, and the horizontal split type abdomen sub external member I and the horizontal split type abdomen sub external member II are symmetrical with respect to the vertical neutral surface and the horizontal neutral surface of the split type abdomen sub connecting piece at the same time.
The upper split type connecting flange comprises an upper split type connecting flange I9 and an upper split type connecting flange II 10 which are symmetrical along the vertical neutral plane of the split type sub-connecting piece, the vertical parts of the upper split type connecting flange I9 and the upper split type connecting flange II 10 are respectively connected with the left side and the right side of the node upper column vertical split type belly suite 7, the horizontal parts of the upper split type connecting flange I9 and the upper split type connecting flange II 10 are respectively connected with the upper ends of the horizontal split type belly suite I11 and the horizontal split type belly suite II 12, the lower split type connecting flange comprises a lower split type connecting flange I13 and a lower split type connecting flange II 14 which are symmetrical along the vertical neutral plane of the split type sub-connecting piece, the vertical parts of the lower split type connecting flange I13 and the lower split type connecting flange II 14 are respectively connected with the left side and the right side of the node lower column vertical split type belly suite 8, the horizontal parts of the lower split type connecting flange I13 and the lower split type connecting flange II 14 are respectively connected with the lower ends of the horizontal split type belly suite I11 and the horizontal split type belly suite II 12, the upper split type connecting flange I9, the upper split type connecting flange II 10, the lower split type connecting flange I13 and the lower split type connecting flange II 14 are L-shaped connecting plate structures, and the upper split type connecting flange I9, the upper split type connecting flange II 10, the lower split type connecting flange I13 and the lower split type connecting flange II 14 are symmetrical with respect to the horizontal neutral plane of the split type sub-connector, so that node connecting precision and symmetry are ensured.
The horizontal and axial central lines of the upper split type connecting flange I9, the upper split type connecting flange II 10, the lower split type connecting flange I13 and the lower split type connecting flange II 14 are respectively provided with uniformly arranged bolt holes 15. Adjacent split sub-connectors are connected by bolting.
The upper half part and the lower half part of the split sub-connector are symmetrical about the horizontal neutral plane of the split sub-connector, the left half part and the right half part of the split sub-connector are symmetrical about the vertical neutral plane of the split sub-connector, the rationality and the reliability of node connection are guaranteed, four split sub-connectors are enclosed to form a complete split node connector through a cross shape, node columns and beam ends keep enough node connection length and are fastened in the cavity of the beam column node connector formed by enclosing the split sub-connectors and are tightly propped against each other, after the inner wall of a split abdomen suite of each split sub-connector is attached to the surface of a beam column, a certain gap is reserved between each pair of split connection flanges which are mutually mirrored and adjacent, therefore, the split sub-connector can be fastened and connected through bolts to provide enough holding force in the contact area of the node connector, and the beam, and the node connection strength and the rigidity are guaranteed to meet the design requirements, so that the split beam column connection node of a complete composite material member is formed.
Therefore, the spliced beam column connecting node of the composite material member with the structure provides a node connecting mode for avoiding direct perforation on the fiber composite material structural member, better exerts the stress performance of the fiber composite material structural member, improves the reliability of the structure, has the advantages of simple design, simple composition, quick assembly, strong bearing and deformation resistance, high reliability and good economy, and meets the design principle of strong node weak member and strong shearing weak bending of an engineering structure.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (8)
1. A split beam-column connection node for a composite member, comprising: the split joint type connecting piece comprises four split type sub-connecting pieces with the same structure, wherein each split type sub-connecting piece comprises a vertical split type belly suite, a horizontal split type belly suite, an upper split type connecting flange and a lower split type connecting flange, two sides of the vertical split type belly suite are connected with the horizontal split type belly suite, the upper split type connecting flange and the lower split type connecting flange, and a horizontal limiting partition plate is arranged in the middle of the vertical split type belly suite; the fiber reinforced composite material column comprises a node upper column and a node lower column, and the node upper column and the node lower column are connected with the vertical split type abdomen sleeve; the fiber reinforced composite beam comprises a node left beam, a node right beam, a node front beam and a node rear beam, wherein the node left beam, the node right beam, the node front beam and the node rear beam are connected with the horizontal split type abdomen external member, the node left beam and the node right Liang Tongxiang are arranged, the node front beam and the node rear Liang Tongxiang are arranged, and the axes of the node left beam and the node right beam are perpendicularly intersected with the axes of the node front beam and the node rear beam at a connecting node.
2. A split beam-column connection node for a composite member according to claim 1, wherein: the horizontal split type abdomen external member can be divided into a horizontal split type abdomen external member I and a horizontal split type abdomen external member II, and the horizontal split type abdomen external member I and the horizontal split type abdomen external member II are respectively connected with the left side and the right side of the vertical split type abdomen external member.
3. A split beam-column connection node for a composite member according to claim 2, wherein: the upper split type connecting flange comprises an upper split type connecting flange I and an upper split type connecting flange II which are symmetrical along the vertical neutral plane of the split type sub-connecting piece, the vertical parts of the upper split type connecting flange I and the upper split type connecting flange II are respectively connected with the left side and the right side of the vertical split type abdomen external member, and the horizontal parts of the upper split type connecting flange I and the upper split type connecting flange II are respectively connected with the horizontal split type abdomen external member I and the horizontal split type abdomen external member II.
4. A split beam-column connection node for a composite member according to claim 3, wherein: the lower split type connecting flange comprises a lower split type connecting flange I and a lower split type connecting flange II which are symmetrical along the vertical neutral plane of the split type sub-connecting piece, the vertical parts of the lower split type connecting flange I and the lower split type connecting flange II are respectively connected with the left side and the right side of the vertical split type abdomen external member, and the horizontal parts of the lower split type connecting flange I and the lower split type connecting flange II are respectively connected with the horizontal split type abdomen external member I and the horizontal split type abdomen external member II.
5. A split beam-column connection node for a composite member according to claim 4, wherein: the vertical split type abdomen external member, the upper split type connecting flange I, the upper split type connecting flange II, the lower split type connecting flange I and the lower split type connecting flange II are all L-shaped connecting plate structures.
6. A split beam-column connection node for a composite member according to claim 5, wherein: the horizontal split type sub-abdomen external member I and the horizontal split type sub-abdomen external member II are both in a U-shaped groove connecting plate structure.
7. A split beam-column connection node for a composite member according to claim 6, wherein: the vertical split type belly suite I and the horizontal split type belly suite II are symmetrical with respect to the vertical neutral plane and the horizontal neutral plane of the split type sub-connector at the same time, and the upper split type connecting flange I, the upper split type connecting flange II, the lower split type connecting flange I and the lower split type connecting flange II are symmetrical with respect to the horizontal neutral plane of the split type sub-connector.
8. A split beam-column connection node for a composite member according to claim 7, wherein: the upper split type connecting flange I, the upper split type connecting flange II, the lower split type connecting flange I and the lower split type connecting flange II are respectively provided with uniformly arranged bolt holes on the horizontal and axial central lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310826338.1A CN116607627A (en) | 2023-07-06 | 2023-07-06 | Split type beam column connecting joint of composite material member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310826338.1A CN116607627A (en) | 2023-07-06 | 2023-07-06 | Split type beam column connecting joint of composite material member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116607627A true CN116607627A (en) | 2023-08-18 |
Family
ID=87683831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310826338.1A Pending CN116607627A (en) | 2023-07-06 | 2023-07-06 | Split type beam column connecting joint of composite material member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116607627A (en) |
-
2023
- 2023-07-06 CN CN202310826338.1A patent/CN116607627A/en active Pending
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