CN110656699A - Assembled bamboo beam column energy dissipation shock attenuation node - Google Patents
Assembled bamboo beam column energy dissipation shock attenuation node Download PDFInfo
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- CN110656699A CN110656699A CN201911008886.3A CN201911008886A CN110656699A CN 110656699 A CN110656699 A CN 110656699A CN 201911008886 A CN201911008886 A CN 201911008886A CN 110656699 A CN110656699 A CN 110656699A
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- bamboo
- node
- shaped steel
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- 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
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
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- 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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- 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
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2644—Brackets, gussets or joining plates
-
- 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
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2652—Details of nailing, screwing, or bolting
-
- 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
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2676—Connector nodes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an assembled bamboo beam-column energy dissipation and shock absorption node which comprises a bamboo column (1), a bamboo I-beam (2), an arc-shaped steel plate (3), an L-shaped steel plate (4), self-tapping screws (5), splicing plates (6), steel fillers (7), bolts (8) and aluminum alloy plates (9), the steel bar is characterized in that the bamboo H-shaped beams (2) and the arc-shaped steel plates (3) are symmetrically arranged on two sides of the node, the arc-shaped steel plates (3) are respectively connected with the bamboo columns (1) and the bamboo H-shaped beams (2) through self-tapping screws (5) and bolts (8), the L-shaped steel plates (4) are symmetrically arranged on two sides of the node, the L-shaped steel plates (4) are connected with the bamboo H-shaped beams (2) through the self-tapping screws (5) arranged at equal intervals, splicing plates (6) are arranged at the slotting positions of the lower flanges of the bamboo H-shaped beams (2), and steel fillers (7) and aluminum alloy plates (9) are connected through the bolts (8. The beam column joint has the advantages of simple structure and convenience in installation, and the ductility and the energy consumption capability of the beam column joint are improved.
Description
Technical Field
The invention belongs to the field of civil engineering building structures, and particularly relates to a cross-shaped node for providing energy dissipation and shock absorption functions for an assembled bamboo beam-column structure node.
Background
With the increasing severity of environmental protection problems in China, people are increasingly concerned about energy-saving, environment-friendly and healthy bamboo structure buildings, and the development of the bamboo structure buildings is continuously updated. The problems of large energy consumption, high pollution, low efficiency and the like exist in the traditional building industry, the bamboo structure meets the requirements of green environment-friendly building materials by using the unique material characteristics of the bamboo structure, the bamboo resources are reasonably used and efficiently utilized, the life quality of people can be improved, the natural environment is protected, and the sustainable development is realized. The assembled bamboo structure building realizes a high-standard and high-efficiency production mode through design and construction integration, and not only is the material used for green and energy saving, but also the construction efficiency is high, and the market prospect is very bright.
The beam column node is one of the weakest key points in the building construction, and the size of the bearing capacity of the beam column node determines the stress characteristic of the whole building. If the node is damaged, the whole building is at risk of buckling. The node rigidity of traditional mortise-tenon joint is little, and the ductility is low, under level and vertical earthquake effect, produces brittle failure easily, consequently only solves the connection problem of component in the bamboo structure, just can promote assembled bamboo structure building development.
Disclosure of Invention
The invention aims to improve the stress performance of the beam-column joint of the existing bamboo structure, effectively improve the earthquake resistance and energy consumption performance of a building, and provide the assembled bamboo beam-column energy dissipation and shock absorption joint which is simple in structure and convenient and fast to install.
The technical scheme of the invention is as follows: the utility model provides an assembled bamboo beam column energy dissipation shock attenuation node, by the bamboo post, bamboo worker word roof beam, the arc steel sheet, L shaped steel board, self tapping screw, the splice plate, the steel filler, high strength bolt and aluminum alloy plate constitute, its characterized in that bamboo worker word roof beam and arc steel sheet symmetric arrangement pass through self tapping screw and bolted connection in the node both sides, the arc steel sheet passes through self tapping screw and bolted connection with bamboo post and bamboo worker word roof beam respectively, L shaped steel sheet symmetric arrangement in the node both sides, L shaped steel board and bamboo worker word roof beam pass through the self tapping screwed connection of equidistance range, the lower flange fluting department of bamboo worker word roof beam adopts the splice plate, steel filler and aluminum alloy plate pass through bolted connection.
The working principle of the invention is as follows: the combined component and the friction plate form a device capable of generating sliding friction under a certain pretightening force, and the sliding friction is used for doing work to dissipate energy, so that the energy dissipation and shock absorption effects on the structure are achieved. The L-shaped steel plates are equidistantly connected to the web of the bamboo I-shaped beam through self-tapping screws, so that the bending rigidity and the shearing strength of the joint can be effectively improved. The arc-shaped steel plate is simple in structure and convenient to construct, and the rigidity, the bearing capacity and the energy consumption capacity of the node can be effectively improved. The grooves are formed in the web plate and the lower flange to weaken the cross section, the right structure of the groove of the lower flange is equivalent to a friction damper, and the left structure of the groove plays a role in fixing. The plastic hinge is moved to the weakened position from the outside of the node area by slotting on the beam web plate and the lower flange, so that the beam-column node is protected, and the ductility and the energy consumption capability of the test piece are improved by the friction between the lower flange of the beam and the aluminum alloy sliding plate.
An assembled bamboo beam column energy dissipation shock attenuation node, including the bamboo post, bamboo worker word roof beam, the arc steel sheet, L shaped steel board, self tapping screw, the splice plate, the steel filler, bolt and aluminum alloy plate, its characterized in that bamboo worker word roof beam and arc steel sheet symmetric arrangement pass through self tapping screw and bolted connection in the node both sides, the arc steel sheet passes through self tapping screw and bolted connection with bamboo post and bamboo worker word roof beam respectively, L shaped steel sheet symmetric arrangement in the node both sides, L shaped steel board and bamboo worker word roof beam pass through the self tapping screw connection of equidistance range, bamboo worker word roof beam bottom wing edge of a wing fluting department adopts the splice plate, steel filler and aluminum alloy plate pass through bolted connection.
The bamboo column and the bamboo I-shaped beam are made of 3-5 years old large-diameter moso bamboos serving as raw materials, and the bamboo laminated wood or the recombined bamboos are processed industrially, and have the water content of not more than 12%.
The distance between the slotting position of the web plate of the bamboo I-shaped beam and the two ends is 100mm, the width of the slot is not more than 10mm, and the height of the slot is not more than 60 mm.
Bamboo worker word roof beam and arc steel sheet symmetrical arrangement in the node both sides, the arc steel sheet surface carries out the anti rust paint treatment, the material grade of used steel is Q235 mild steel.
The arc-shaped steel plate is connected with the bamboo column and the I-shaped bamboo beam through self-tapping screws and bolts respectively, the width of the arc-shaped steel plate is as wide as the beam, and the thickness of the arc-shaped steel plate is not less than 5 mm.
L shaped steel board symmetrical arrangement in node both sides, L shaped steel board and bamboo I-beam pass through the self tapping screw connection that the equidistance was arranged, the width of L shaped steel board is not less than 20mm, thickness is not less than 5 mm.
The slotting position of the lower flange of the bamboo I-shaped beam is formed by connecting a splicing plate, steel filler and an aluminum alloy plate through bolts, the thickness of the splicing plate is not less than 10mm, the thickness of the steel filler is not less than 5mm, and the thickness of the aluminum alloy plate is not less than 5 mm.
The invention has simple structure and convenient construction, can effectively improve the strength of the joints between the wood beams and the wood columns, and can achieve the aim of improving energy dissipation and shock absorption of buildings in earthquakes. The invention fully exerts the combined member and the friction plate to form a device capable of generating sliding friction under a certain pretightening force, utilizes the sliding friction to do work to consume energy, plays the roles of consuming energy and damping the structure, simultaneously exerts the energy consumption capability of the arc-shaped steel plate, has the advantages of high bearing capability, good ductility, good earthquake resistance and the like, and is suitable for reinforcing and maintaining various bamboo structure building nodes.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
Fig. 1 is a structural schematic diagram of an assembled bamboo beam-column energy-dissipation shock-absorption node.
In the figure: 1. bamboo column, 2 bamboo I-shaped beam, 3 arc steel plate, 4L-shaped steel plate, 5 self-tapping screw, 6 splice plate, 7 steel filler, 8 high-strength bolt and 9 aluminum alloy plate.
Fig. 2 is a partial structure schematic view of an assembled bamboo beam-column energy-dissipation shock-absorption node.
Detailed description of the preferred embodiments
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. As shown in fig. 1 and 2, the invention provides an assembled bamboo beam-column energy dissipation and shock absorption node, which comprises a bamboo column, a bamboo I-beam, an arc-shaped steel plate, an L-shaped steel plate, self-tapping screws, splicing plates, steel fillers, bolts and aluminum alloy plates. Wherein, bamboo worker word roof beam and arc steel sheet symmetrical arrangement pass through self tapping screw and bolted connection with bamboo post and bamboo worker word roof beam respectively in node both sides, and L shaped steel sheet symmetrical arrangement passes through the self tapping screw connection of equidistance arrangement in node both sides in L shaped steel sheet and bamboo worker word roof beam, and splice plate, steel filler and aluminum alloy plate pass through bolted connection are adopted to the lower flange fluting department of bamboo worker word roof beam. The bamboo columns and the bamboo I-beams are made of 3-5-year-old large-diameter moso bamboos serving as raw materials, and the moisture content of the bamboo integrated materials or the recombined bamboos is not more than 12%. Bamboo worker word roof beam and arc steel sheet symmetrical arrangement pass through self tapping screw and bolted connection with bamboo post and bamboo worker word roof beam respectively in the node both sides, and the arc steel sheet surface carries out the anti-rust paint and handles, and the material grade of used steel is Q235 mild steel. The arc-shaped steel plate is connected with the bamboo columns and the I-shaped bamboo beams through self-tapping screws and bolts respectively, the width of the arc-shaped steel plate is as wide as the beams, and the thickness of the arc-shaped steel plate is not less than 5 mm.
L shaped steel board symmetrical arrangement in node both sides, L shaped steel board and bamboo I-beam pass through the self tapping screw connection that the equidistance was arranged, the width of L shaped steel board is not less than 20mm, thickness is not less than 5 mm. The distance between the slotting position of the web plate of the bamboo I-shaped beam and the two ends is 100mm, the width of the slot is not more than 10mm, and the height of the slot is not more than 60 mm. The slotting position of the lower flange of the bamboo I-shaped beam is formed by connecting a splicing plate, steel filler and an aluminum alloy plate through bolts, the thickness of the splicing plate is not less than 10mm, the thickness of the steel filler is not less than 5mm, and the thickness of the aluminum alloy plate is not less than 5 mm. For the cross energy dissipation and shock absorption node, the sizes of the splicing plates, the steel filler, the high-strength bolts and the aluminum alloy plates are selected according to the bearing capacity and the size of the bamboo columns and the I-shaped bamboo beams, and the distance and the length of the self-tapping screws are controlled by the bearing capacity and the lateral stiffness of the node.
Example 1: the method comprises the steps of selecting bamboo columns with the sectional dimension of 400mm multiplied by 400mm, selecting bamboo I-beams with the sectional dimension of 200mm multiplied by 100mm multiplied by 10mm, selecting large-diameter moso bamboos which grow for 3-5 years as raw materials for the bamboo columns and the I-beams, processing the bamboo integrated materials or recombined bamboos through industrial processing, wherein the water content is not more than 12%, selecting soft steels with the material grade of Q235 for the arc-shaped steel plates, processing the surfaces of the arc-shaped steel plates through anti-rust paint, and obtaining the steel plate with the thickness of 5mm, the width of the L-shaped steel plate is 20mm, the thickness of the L-shaped steel plate is 5mm, the distance between the slotting position of a web plate of the I-beam and two ends of the bamboo I-beam is 100mm, the width of a slot is 10mm, the height of the slot.
Claims (7)
1. The utility model provides an assembled bamboo beam column energy dissipation shock attenuation node, including bamboo post (1), bamboo worker word roof beam (2), arc steel sheet (3), L shaped steel board (4), self tapping screw (5), splice plate (6), steel filler (7), bolt (8) and aluminum alloy plate (9), its characterized in that bamboo worker word roof beam (2) and arc steel sheet (3) symmetric arrangement are in the node both sides, arc steel sheet (3) are connected through self tapping screw (5) and bolt (8) with bamboo post (1) and bamboo worker word roof beam (2) respectively, L shaped steel sheet (4) symmetric arrangement are in the node both sides, L shaped steel sheet (4) and bamboo worker word roof beam (2) are connected through self tapping screw (5) of equidistance range, bamboo worker word roof beam (2) lower flange fluting department adopts splice plate (6), steel filler (7) and aluminum alloy plate (9) are connected through bolt (8).
2. The assembled bamboo beam-column energy dissipation and shock absorption node as claimed in claim 1, wherein the bamboo columns (1) and the bamboo I-beams (2) are made of 3-5-year-old large-diameter moso bamboos serving as raw materials, and the moisture content of the bamboo integrated materials or the recombined bamboos is not more than 12%.
3. An assembled bamboo beam column energy dissipation and shock absorption node as claimed in claim 1, wherein the positions of the grooves of the web plates of the bamboo I-beam (2) are 100mm from the two ends, the width of the groove openings is not more than 10mm, and the height of the groove openings is not more than 60 mm.
4. An assembled bamboo beam column energy dissipation and shock absorption node as claimed in claim 1, wherein the bamboo I-beam (2) and the arc-shaped steel plate (3) are symmetrically arranged on two sides of the node, the surface of the arc-shaped steel plate (3) is subjected to anti-rust paint treatment, and the grade of the steel used is Q235 mild steel.
5. An assembled bamboo beam and column energy dissipation and shock absorption node as claimed in claim 1, wherein the arc-shaped steel plate (3) is connected with the bamboo column (1) and the I-shaped bamboo beam (2) through self-tapping screws (5) and bolts (8), the width of the arc-shaped steel plate (3) is the same as the width of the beam, and the thickness of the arc-shaped steel plate (3) is not less than 5 mm.
6. An assembled bamboo beam column energy dissipation and shock absorption node as claimed in claim 1, wherein the L-shaped steel plates (4) are symmetrically arranged on two sides of the node, the L-shaped steel plates (4) are connected with the bamboo I-shaped beam (2) through self-tapping screws (5) which are arranged at equal intervals, the width of each L-shaped steel plate (4) is not less than 20mm, and the thickness of each L-shaped steel plate is not less than 5 mm.
7. An assembled bamboo beam column energy dissipation and shock absorption node as claimed in claim 1, wherein the grooves of the lower flange of the bamboo I-beam (2) are connected by a splicing plate (6), a steel filler (7) and an aluminum alloy plate (9) through bolts (8), the thickness of the splicing plate (6) is not less than 10mm, the thickness of the steel filler (7) is not less than 5mm, and the thickness of the aluminum alloy plate (9) is not less than 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911008886.3A CN110656699A (en) | 2019-10-16 | 2019-10-16 | Assembled bamboo beam column energy dissipation shock attenuation node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911008886.3A CN110656699A (en) | 2019-10-16 | 2019-10-16 | Assembled bamboo beam column energy dissipation shock attenuation node |
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| Publication Number | Publication Date |
|---|---|
| CN110656699A true CN110656699A (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911008886.3A Pending CN110656699A (en) | 2019-10-16 | 2019-10-16 | Assembled bamboo beam column energy dissipation shock attenuation node |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691544A (en) * | 2020-05-15 | 2020-09-22 | 海南大学 | Self-resetting steel frame lateral force resisting system |
| CN113089832A (en) * | 2021-03-24 | 2021-07-09 | 同济大学 | Beam-column mortise-tenon structure containing bendable sheets and manufacturing method thereof |
| CN114658166A (en) * | 2022-04-02 | 2022-06-24 | 东南大学建筑设计研究院有限公司 | Clamping plate type lockable sliding node suitable for laminated open-web truss |
-
2019
- 2019-10-16 CN CN201911008886.3A patent/CN110656699A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691544A (en) * | 2020-05-15 | 2020-09-22 | 海南大学 | Self-resetting steel frame lateral force resisting system |
| CN113089832A (en) * | 2021-03-24 | 2021-07-09 | 同济大学 | Beam-column mortise-tenon structure containing bendable sheets and manufacturing method thereof |
| CN114658166A (en) * | 2022-04-02 | 2022-06-24 | 东南大学建筑设计研究院有限公司 | Clamping plate type lockable sliding node suitable for laminated open-web truss |
| CN114658166B (en) * | 2022-04-02 | 2023-11-17 | 东南大学建筑设计研究院有限公司 | Clamping plate type lockable sliding node suitable for laminated hollow truss |
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