CN112854454A - Reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column joint - Google Patents
Reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column joint Download PDFInfo
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- CN112854454A CN112854454A CN202110210587.9A CN202110210587A CN112854454A CN 112854454 A CN112854454 A CN 112854454A CN 202110210587 A CN202110210587 A CN 202110210587A CN 112854454 A CN112854454 A CN 112854454A
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- 239000002023 wood Substances 0.000 title claims abstract description 241
- 239000002131 composite material Substances 0.000 claims abstract description 131
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 description 4
- 239000004566 building material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 206010061217 Infestation Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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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
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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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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Abstract
A reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint comprises a wooden column, a first rectangular steel-wood combined beam, a second rectangular steel-wood combined beam and a steel-wood reinforcing component, wherein a mortise and tenon space is reserved at the joint of the beam-column by the wooden column; the steel-wood composite beam comprises a first rectangular steel-wood composite beam and a second rectangular steel-wood composite beam, wherein the first rectangular steel-wood composite beam is formed by combining two U-shaped cold-bending thin steel components and four wood plates; the steel-wood reinforcing part comprises a square pipe bracket steel connecting piece, a wood supporting rod and a wood cushion block, wherein one end of the supporting rod is embedded into the square pipe of the steel connecting piece, the other end of the supporting rod is provided with a hole reserved at the bottom of the tenon embedded cushion block, and the top of the cushion block is lapped with the steel beam to play a role in supporting the steel beam in an auxiliary mode. The invention adopts the combination of the U-shaped cold-bending steel members and the wood blocks to greatly improve the bearing capacity and the bending rigidity of the beam, and simultaneously, the combined structure ensures that the tenon-and-mortise mode of the beam is diversified, more convenient and more stable.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint.
Background
Wood is one of the most widely used building materials worldwide, and as the only renewable building material, it has many advantages, such as excellent carbon fixation, convenient processing, high strength-to-weight ratio, good heat and sound insulation, capability of reducing the damage of ultraviolet rays to human bodies and generating warm texture, flame retardancy, and the like. The steel has the advantages of light weight, high strength, excellent structure bearing capacity, good ductility and the like, and also has diversified connection modes, high cost performance of the steel structure, great construction time saving and residential space increase due to the adoption of the steel structure, and excellent performances of energy saving, earthquake resistance and the like.
Wood and steel have their own advantages and their own disadvantages. Natural defects in wood result in large differences in individual wood properties; its own anisotropy and dry shrinkage and wet swelling cause dimensional instability; the further development of wood structures is also limited by the infestation of germs and insects. Meanwhile, the forest resource form faced by China is still very severe, and the forest coverage rate and the per-capita forest area are still far lower than the world average level. Steel materials are easy to rust and easy to destabilize, so that structural deformation is rapidly increased, and finally, the bearing capacity is completely lost; in addition, the electrical conductivity and thermal conductivity of steel affect the usability of steel structure buildings.
Disclosure of Invention
In order to solve the technical problems, the invention provides the reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint, and the combination of the steel member and the wood can utilize the respective advantages of the materials to realize the performance complementation. Compared with the traditional pure wood beam, the I-beam formed by combining two U-shaped cold-bent thin steels back to back has the characteristics of higher strength and higher stability, and the span and the space utilization rate of the beam are increased; the composite wood boards are added at the flange and the web on the periphery of the composite beam, so that the characteristics of energy absorption and flame retardance of wood can be effectively utilized, the requirements of earthquake resistance and fire resistance of the member are met, and the comfort level and the heat preservation and sound insulation performance of the building are improved.
The technical scheme adopted by the invention is as follows:
a reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint comprises a wood column 1, a first rectangular steel-wood combined beam, a second rectangular steel-wood combined beam and a steel-wood reinforcing component;
the wooden column is provided with a mortise and tenon space at the beam-column connection part;
the first rectangular steel-wood composite beam comprises an upper L-shaped flange wood plate 4, a lower L-shaped flange wood plate 4, a left first rectangular steel-wood composite beam web wood plate 3 with a tenon 12, a right first rectangular steel-wood composite beam with a tenon 12 and two first rectangular steel-wood composite beam U-shaped steel beams 2;
the second rectangular steel-wood composite beam comprises an upper rectangular steel-wood composite beam flange wood plate 6, a lower rectangular steel-wood composite beam flange wood plate 6, a left rectangular steel-wood composite beam web wood plate 7, a right rectangular steel-wood composite beam web plate 7 with mortise holes, and two second rectangular steel-wood composite beam steel beams 5 with holes and U-shaped webs;
the steel-wood reinforcing component comprises an L-shaped steel connecting piece 8 with a square pipe bracket, a supporting rod 9 with a tenon and a tenon 14 with a wooden supporting rod at one end, and a square cushion block 10 with a mortise 15 at the bottom.
The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column node is characterized in that a splicing space of a first rectangular steel-wood combined beam and a second rectangular steel-wood combined beam in a column is reserved at the joint of a beam column and a column body of a wooden column 1, the size of the reserved space is consistent with the width and the height of the whole cross section of the rectangular combined beam, and the depths of the two directions are the depths of the two combined beams embedded into the column respectively.
The reinforced double-spliced U-shaped cold-formed thin-wall steel-wood combined beam-column joint has the preferred scheme that two U-shaped steel beams 2 of a first rectangular steel-wood combined beam in the first rectangular steel-wood combined beam are back to form an I-beam, a first rectangular steel-wood combined beam tenon web board 3 with a first combined beam tenon 12 at one end is respectively placed on the left side and the right side of a web, the upper flange and the lower flange of the web board are respectively placed in an L-shaped flange board 4, and the L-shaped flange board 4, the first rectangular steel-wood combined beam tenon web board 3 and the U-shaped steel beams are mutually connected and fixed through self-tapping screws 11.
The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint has the preferred scheme that a second rectangular steel-wood combined beam comprises upper and lower second rectangular steel-wood combined beam flange boards 6, two second rectangular steel-wood combined beam U-shaped web perforated steel beams 5 are back to form an I-beam, wherein the upper and lower flanges of the beam end of the U-shaped steel beam close to the outer side need to be cut, the cutting width and length are respectively the same as the thickness and width of an L-shaped flange board 4 in a first rectangular steel-wood combined beam, and therefore a splicing space with the L-shaped flange board 4 in the first rectangular steel-wood combined beam is reserved;
the size of a web plate opening of the second rectangular steel-wood composite beam U-shaped web plate provided with the steel beam 5 is consistent with the size of a first rectangular composite beam tenon 12, second rectangular steel-wood composite beam mortise web plate wood blocks 7 are respectively placed on the left side and the right side of the web plate, the size of a hole is consistent with the size of the first composite beam tenon 12, the web plate opening of the second rectangular steel-wood composite beam U-shaped web plate provided with the steel beam 5 is combined with a hole reserved in the second rectangular steel-wood composite beam mortise web plate wood block 7 to form a second composite beam mortise 13, and the second rectangular steel-wood composite beam flange wood block 6, the second rectangular steel-wood composite beam mortise web plate wood block 7 and the second rectangular steel-wood composite beam U-shaped web plate provided with the steel beam 5 are connected and fixed with one another through self-tapping screws 11.
The preferable scheme of the reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint is that the beam end with the hole of the second combined steel-wood beam 5 is vertically placed between the upper L-shaped flange wood board 4 and the lower L-shaped flange wood board 4 of the first rectangular steel-wood combined beam, and then the tenon 12 of the first combined beam is vertically embedded into the mortise 13 of the second combined beam to complete the in-column lap joint of the two combined beams.
The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column node has the preferred scheme that an L-shaped steel connecting piece 8 with a square pipe bracket is arranged below each of a first rectangular steel-wood combined beam and a second rectangular steel-wood combined beam and used for stabilizing the connection between the combined beams and the columns, wherein one end of each L-shaped steel connecting piece 8 with the square steel pipe seat is fixed on the wood column 1 through a screw, the other end of each L-shaped steel connecting piece 8 is fixed on each combined beam through a screw, and the size of the square pipe bracket is consistent with the size of the cross section of the supporting rod 9 with the tenon.
The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column joint has the preferred scheme that a rectangular supporting rod 9 with a tenon is inserted into a square pipe bracket of an L-shaped steel connecting piece 8, and the other end of the supporting rod 9 with the tenon is provided with a wood supporting rod tenon 14; the bottom of the square cushion block 10 is provided with a mortise 15, the brace rod 9 with the tenon is connected with the square cushion block 10 through the mortise, the top of the square cushion block 10 is reserved with a lapping surface for lapping with a lower flange board of the composite beam, and the width of the lapping surface is the width of the flange of the composite beam.
The invention has the following beneficial effects and advantages:
1) the invention has wide application range, and is suitable for low-rise building areas such as residential buildings, restaurants, libraries, cultural palaces, student dormitories and the like in tourist development areas;
2) the materials are convenient to obtain, the wood and steel related to the invention are various in types, wide in application and capable of obtaining local materials;
3) the wood column and various wood boards can be made of composite laminated wood instead of traditional raw wood, so that the recovery rate of the wood is greatly increased, and the wood column and various wood boards conform to the idea of advocating green buildings in China;
4) the steel and wood basic components contained in the invention have simple structures, can be assembled in advance in a factory prefabrication field, and have short construction period and convenient installation;
5) the combination of the steel and the wood in the invention well plays the advantages of the steel and the wood, and makes up for the deficiencies of the steel and the wood. Compared with a pure steel beam, the steel-wood combined beam greatly reduces the consumption of steel, increases the bearing capacity and stability compared with a pure wood beam, simultaneously prevents the steel from being exposed by wood in the combined beam, effectively prevents the steel from being rusted, ensures that the wood can maintain certain mechanical property in the combustion process due to the flame retardance of the wood so as to protect the steel with poor fire resistance, also delays the occurrence of structural damage, and strives for more escape time for people when encountering accidental disasters;
6) according to the invention, the first combination beam and the second combination beam are in an ingenious tenon-and-mortise mode in the column, so that the two groups of beams are mutually drawn after the overlapping is finished, and the relative sliding and complete fixation between the members are limited, so that the overlapping of the combination beams is more stable;
7) the steel-wood combined reinforcing component is different from a traditional steel connecting piece, the arrangement of the supporting rods provides a second protection for the combined beam, and the top of the cushion block is lapped with the steel beam to play a role in supporting the steel beam in an auxiliary mode, so that the whole beam-column joint is safer and more reliable.
Drawings
FIG. 1 is a perspective view of a reinforced double-spliced U-shaped cold-bent thin-wall steel-wood composite beam-column joint;
FIG. 2 is a perspective view of a wooden post;
FIG. 3 is a diagram showing the positional relationship between the wooden columns and the steel connectors;
FIG. 4 is a perspective view of a first rectangular steel-wood composite beam;
FIG. 5 is an exploded view of a first rectangular steel-wood composite beam;
FIG. 6 is a perspective view of a second rectangular steel-wood composite beam;
FIG. 7 is an exploded view of a second rectangular steel-wood composite beam;
FIG. 8 is a schematic view of a joint configuration for two composite beams;
FIG. 9 is a perspective view of a steel wood reinforced part;
fig. 10 is an exploded view of the steel-wood reinforcing member.
In the figure, 1 is a wooden column; 2, a first rectangular steel-wood composite beam U-shaped steel beam; 3, a first rectangular steel-wood composite beam web plate wood block with a tenon; 4, an L-shaped flange wood board; 5, a second rectangular steel-wood composite beam U-shaped web plate steel beam with holes; 6 is a second rectangular steel-wood composite beam flange wood board; 7, a web plate wood block with mortise holes of a second rectangular steel-wood composite beam; 8 is an L-shaped steel connecting piece; 9 is a supporting rod with a tenon; 10 is a square cushion block; 11 is a screw; 12 is a first combined beam tenon; 13 is a second combination beam mortise; 14 is a wooden stay bar tenon; 15 is a mortise.
Detailed Description
As shown in fig. 1-10, a reinforced double-spliced U-shaped cold-bent thin-walled steel-wood composite beam-column node comprises a wood column 1, a first rectangular steel-wood composite beam, a second rectangular steel-wood composite beam and a steel-wood reinforcing member;
the wooden column is provided with a mortise and tenon space at the beam-column connection part;
the first rectangular steel-wood composite beam comprises an upper L-shaped flange wood plate 4, a lower L-shaped flange wood plate 4, a left first rectangular steel-wood composite beam web wood plate 3 with a tenon 12, a right first rectangular steel-wood composite beam with a tenon 12 and two first rectangular steel-wood composite beam U-shaped steel beams 2;
the second rectangular steel-wood composite beam comprises an upper rectangular steel-wood composite beam flange wood plate 6, a lower rectangular steel-wood composite beam flange wood plate 6, a left rectangular steel-wood composite beam web wood plate 7, a right rectangular steel-wood composite beam web plate 7 with mortise holes, and two second rectangular steel-wood composite beam steel beams 5 with holes and U-shaped webs;
the steel-wood reinforcing component comprises an L-shaped steel connecting piece 8 with a square pipe bracket, a supporting rod 9 with a tenon and a tenon 14 with a wooden supporting rod at one end, and a square cushion block 10 with a mortise 15 at the bottom.
The column body of the wooden column 1 is provided with a splicing space of a first rectangular steel-wood composite beam and a second rectangular steel-wood composite beam in the column at the joint of the beam and the column, the size of the reserved space is consistent with the width and the height of the whole cross section of the rectangular composite beam, and the depths of the two directions are the depths of the two composite beams embedded into the column respectively.
Two first rectangular steel-wood composite beam U-shaped steel beams 2 in the first rectangular steel-wood composite beam are back to form an I-beam, a first rectangular steel-wood composite beam tenon web board 3 with a first composite beam tenon 12 at one end is respectively placed on the left side and the right side of a web, the upper flange and the lower flange are respectively placed in an L-shaped flange board 4, and the L-shaped flange board 4, the first rectangular steel-wood composite beam tenon web board 3 and the U-shaped steel beams are mutually connected and fixed through self-tapping screws 11.
The second rectangular steel-wood composite beam comprises upper and lower second rectangular steel-wood composite beam flange boards 6, the two second rectangular steel-wood composite beam U-shaped web perforated steel beams 5 are back to form an I-beam, wherein the upper and lower flanges of the end of the U-shaped steel beam close to the outer side need to be cut, the cutting width and length are respectively the same as the thickness and width of the L-shaped flange board 4 in the first rectangular steel-wood composite beam, and therefore a splicing space with the L-shaped flange board 4 in the first rectangular steel-wood composite beam is reserved;
the size of a web plate opening of the second rectangular steel-wood composite beam U-shaped web plate provided with the steel beam 5 is consistent with the size of a first rectangular composite beam tenon 12, second rectangular steel-wood composite beam mortise web plate wood blocks 7 are respectively placed on the left side and the right side of the web plate, the size of a hole is consistent with the size of the first composite beam tenon 12, the web plate opening of the second rectangular steel-wood composite beam U-shaped web plate provided with the steel beam 5 is combined with a hole reserved in the second rectangular steel-wood composite beam mortise web plate wood block 7 to form a second composite beam mortise 13, and the second rectangular steel-wood composite beam flange wood block 6, the second rectangular steel-wood composite beam mortise web plate wood block 7 and the second rectangular steel-wood composite beam U-shaped web plate provided with the steel beam 5 are connected and fixed with one another through self-tapping screws 11.
The open-pore beam end of the second combined steel-wood beam 5 is vertically placed between the upper L-shaped flange wood board 4 and the lower L-shaped flange wood board 4 of the first rectangular steel-wood combined beam, and then the tenon 12 of the first combined beam is vertically embedded into the mortise 13 of the second combined beam, so that the in-column lap joint of the two combined beams is completed.
And the L-shaped steel connecting piece 8 with a square pipe bracket is arranged below the first rectangular steel-wood composite beam and the second rectangular steel-wood composite beam and used for stabilizing the connection between the composite beams and the columns, wherein one end of the L-shaped steel connecting piece 8 with the square steel pipe bracket is fixed on the wood column 1 through screws, the other end of the L-shaped steel connecting piece 8 is fixed on each composite beam through screws, and the size of the square pipe bracket is consistent with that of the cross section of the supporting rod 9 with the tenon.
A rectangular supporting rod 9 with a tenon is inserted into the square pipe bracket of the L-shaped steel connecting piece 8, and a tenon 14 with a wooden supporting rod is arranged at the other end of the supporting rod 9 with the tenon; the bottom of the square cushion block 10 is provided with a mortise 15, the brace rod 9 with the tenon is connected with the square cushion block 10 through the mortise, the top of the square cushion block 10 is reserved with a lapping surface for lapping with a lower flange board of the composite beam, and the width of the lapping surface is the width of the flange of the composite beam.
The specific installation process is as follows:
firstly, as shown in fig. 3, two L-shaped steel connectors 8 with square pipe brackets are respectively fixed below the joints of the wooden column 1 and the composite beam by screws; secondly, all parts contained in the second combined beam are completely fixed at the reserved screw holes by self-tapping screws 11 as shown in figures 6-7; then, the parts except the upper and lower L-shaped flange wood boards 4 in FIG. 5 are completely fixed by screws 11; then, as shown in fig. 5, the upper and lower L-shaped flange boards 4 of the first rectangular steel-wood composite beam are pushed to the positions of the columns, and then the second assembled beam is mounted according to the position of fig. 1 until the beam end of the second assembled beam is embedded between the upper and lower L-shaped flange boards 4 of the first assembled beam; then, pushing one end of a first combination beam tenon 12 of a first rectangular steel-wood combination beam U-shaped steel beam 2 and a left and right first rectangular steel-wood combination beam tenon web plate wood block 3 in the figure 5 into a second combination beam mortise 13 reserved in a second combination beam together to form mortise-tenon connection, and fixing an upper L-shaped flange wood plate 4 and a lower L-shaped flange wood plate 4 of the first combination beam with the first rectangular steel-wood combination beam U-shaped steel beam 2 and the first rectangular steel-wood combination beam tenon web plate wood block 3 by using screws 11, wherein at the moment, the two combination beams are installed and are completely fixed in an internal mortise-tenon mode; then, the L-shaped steel connecting piece 8 and the lower flange wood plate of the composite beam are fixedly connected by screws as shown in figure 1; then, inserting the wooden stay bar tenon 14 with the tenon stay bar 9 into the bottom of the square cushion block 10 as shown in fig. 10; as shown in fig. 9, the stay bar 9 with tenon equipped with the square cushion block 10 is inserted into the square pipe bracket 8 of the L-shaped steel connecting piece of the connecting piece, at this time, the combination beam is supported by the square cushion block 10, and the square pipe bracket 8 of the L-shaped steel connecting piece is fixedly connected with the stay bar 9 with tenon by using screws; and finally, completely installing the steel-wood reinforcing component and the whole steel-wood combined beam-column joint.
Claims (7)
1. The utility model provides a strenghthened type double pin U-shaped clod wash thin-walled steel-wood combination beam column node which characterized in that: the steel-wood composite beam comprises a wood column (1), a first rectangular steel-wood composite beam, a second rectangular steel-wood composite beam and a steel-wood reinforcing component;
the wooden column is provided with a mortise and tenon space at the beam-column connection part;
the first rectangular steel-wood composite beam comprises an upper L-shaped flange wood plate (4), a lower L-shaped flange wood plate (4), a left first rectangular steel-wood composite beam web wood plate (3) and a right first rectangular steel-wood composite beam U-shaped steel beam (2), wherein the left first rectangular steel-wood composite beam web wood plate and the right first rectangular steel-wood composite beam web wood plate are provided with a first composite beam tenon (12);
the second rectangular steel-wood composite beam comprises an upper rectangular steel-wood composite beam flange wood plate (6), a lower rectangular steel-wood composite beam flange wood plate (6), a left rectangular steel-wood composite beam web wood plate (7), a right rectangular steel-wood composite beam web plate with mortise holes (7) and two second rectangular steel-wood composite beam steel beams (5) with holes in U-shaped web plates;
the steel-wood reinforcing component comprises an L-shaped steel connecting piece (8) with a square pipe bracket, a tenon supporting rod (9) with a wood supporting rod tenon (14) at one end and a square cushion block (10) with a mortise (15) at the bottom.
2. The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint as claimed in claim 1, wherein: the wooden column (1) is characterized in that a column body is reserved at the joint of the beam column to form a splicing space of a first rectangular steel-wood composite beam and a second rectangular steel-wood composite beam in the column, the size of the reserved space is consistent with the width and the height of the whole cross section of the rectangular composite beam, and the depths of the two directions are the depths of the two composite beams embedded into the column respectively.
3. The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint as claimed in claim 1, wherein: two first rectangle steel-wood composite beam U-shaped steel beams (2) in the first rectangle steel-wood composite beam become the I-beam back to back, first rectangle steel-wood composite beam tenon web plank (3) that one end has first composite beam tenon (12) are placed respectively to the both sides about the web, and its upper and lower edge of a wing is placed respectively in L shape edge of a wing plank (4), is fixed through self-tapping screw (11) interconnect between L shape edge of a wing plank (4), first rectangle steel-wood composite beam tenon web plank (3) and the U-shaped steel beam.
4. The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint as claimed in claim 1, wherein: the second rectangular steel-wood composite beam comprises upper and lower second rectangular steel-wood composite beam flange boards (6), two second rectangular steel-wood composite beam U-shaped web perforated steel beams (5) are back to form an I-beam, wherein the upper and lower flanges at the end of the U-shaped steel beam close to the outer side need to be cut, the cutting width and length are respectively consistent with the thickness and width of the L-shaped flange board (4) in the first rectangular steel-wood composite beam, and therefore a splicing space with the L-shaped flange board (4) in the first rectangular steel-wood composite beam is reserved;
the steel beam with the mortise in the U-shaped web of the second rectangular steel-wood composite beam is characterized in that the size of a web plate opening of the steel beam with the mortise in the U-shaped web of the second rectangular steel-wood composite beam is consistent with that of a tenon (12) of the first rectangular composite beam, second rectangular steel-wood composite beam blocks with the mortise in the U-shaped web are respectively placed on the left side and the right side of the web plate, the size of a hole is consistent with that of the tenon (12) of the first composite beam, the web plate opening of the steel beam with the mortise in the U-shaped web of the second rectangular steel-wood composite beam is combined with the hole reserved in the second rectangular steel-wood composite beam blocks with the mortise (7) to form a second composite beam mortise (13), and the flange wood plate (6) of the second rectangular steel-wood composite beam, the mortise in the second rectangular steel-wood composite beam block (7) and the steel beam with the mortise in.
5. The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint as claimed in claim 1, wherein: the beam end with the hole of the second combined steel-wood beam (5) is vertically placed between the upper L-shaped flange wood board (4) and the lower L-shaped flange wood board (4) of the first rectangular steel-wood combined beam, and then the tenon (12) of the first combined beam is vertically embedded into the mortise (13) of the second combined beam to complete the in-column lap joint of the two combined beams.
6. The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint as claimed in claim 1, wherein: the first rectangular steel-wood composite beam and the second rectangular steel-wood composite beam are respectively provided with an L-shaped steel connecting piece (8) with a square pipe bracket below and used for stabilizing the connection between the composite beam and the column, wherein one end of the L-shaped steel connecting piece (8) with the square steel pipe seat is fixed on the body of the wood column (1) through a screw, the other end of the L-shaped steel connecting piece (8) is fixed on each composite beam through a screw, and the size of the square pipe bracket is consistent with the size of the cross section of the support rod (9) with the tenon.
7. The reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam-column joint as claimed in claim 1, wherein: a rectangular supporting rod (9) with a tenon is inserted into the square pipe bracket of the L-shaped steel connecting piece (8), and a wooden supporting rod tenon (14) is arranged at the other end of the supporting rod (9) with the tenon; the bottom of the square cushion block (10) is provided with a mortise (15), the brace rod (9) with the tenon is connected with the square cushion block (10) through the mortise, the top of the square cushion block (10) is reserved with a lap joint surface for lapping with a lower flange plank of the composite beam, and the width of the lap joint surface is the width of the flange of the composite beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110210587.9A CN112854454A (en) | 2021-02-25 | 2021-02-25 | Reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110210587.9A CN112854454A (en) | 2021-02-25 | 2021-02-25 | Reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column joint |
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| CN113982272A (en) * | 2021-10-27 | 2022-01-28 | 山西一建集团有限公司 | Construction method of steel-wood composite structure for outside porch in open room |
| CN115142557A (en) * | 2022-06-23 | 2022-10-04 | 福建省交建集团工程有限公司 | Joist connecting joint of assembled floor system and mounting method |
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| CN113982272A (en) * | 2021-10-27 | 2022-01-28 | 山西一建集团有限公司 | Construction method of steel-wood composite structure for outside porch in open room |
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| CN115142557B (en) * | 2022-06-23 | 2023-10-31 | 福建省交建集团工程有限公司 | Joist connection node of assembled floor system and installation method |
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