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 PDF

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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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steel
wood
composite beam
wood composite
shaped
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CN112854454B (en
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金路
田大可
钱晶晶
曹全宇
刘福平
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Shenyang Jianzhu University
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Shenyang Jianzhu University
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/30Structures 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/185Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/29Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
    • E04C3/292Joists; 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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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

一种加强型双拼U形冷弯薄壁钢‑木组合梁柱节点,包括木制柱、第一矩形钢木组合梁、第二矩形钢木组合梁和钢木加强部件,木制柱在梁柱连接处预留榫卯空间;所述钢木组合梁包括第一矩形钢木组合梁、第二矩形钢木组合梁由两个U形冷弯薄钢构件和四块木板组合而成,第一第二钢木组合梁通过榫卯连接置于木制柱内;钢木加强部件包括带方管托座钢连接件、木制撑杆、木制垫块,其中撑杆一端嵌入钢连接件方管内,另一端带有榫头嵌入垫块底部预留的孔洞,通过垫块顶部与钢梁的搭接起到对钢梁的辅助支撑作用。本发明采用U形冷弯钢构件与木块的组合大大提高了梁的承载能力和抗弯刚度,同时组合结构使梁的榫卯方式多样化、更加方便稳固。

Figure 202110210587

A reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint, comprising a wooden column, a first rectangular steel-wood composite beam, a second rectangular steel-wood composite beam and a steel-wood reinforcing member, the wooden column is at the beam-column connection The tenon and tenon space is reserved; the steel-wood composite beam includes a first rectangular steel-wood composite beam, and a second rectangular steel-wood composite beam is composed of two U-shaped cold-formed thin steel members and four wooden boards. The steel-wood composite beam is placed in the wooden column through the tenon-and-mortise connection; the steel-wood reinforcing parts include steel connectors with square tube brackets, wooden struts, and wooden pads, where one end of the strut is embedded in the square tube of the steel connector, The other end is provided with a tenon embedded in a hole reserved at the bottom of the cushion block, and the lap joint between the top of the cushion block and the steel beam serves as an auxiliary support for the steel beam. The invention adopts the combination of the U-shaped cold-formed steel member and the wood block, which greatly improves the bearing capacity and bending rigidity of the beam, and at the same time, the combined structure makes the mortise and tenon mode of the beam more convenient and stable.

Figure 202110210587

Description

Reinforced double-spliced U-shaped cold-bent thin-wall steel-wood combined beam column joint
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)

1.一种加强型双拼U形冷弯薄壁钢-木组合梁柱节点,其特征在于:包括木制柱(1)、第一矩形钢木组合梁、第二矩形钢木组合梁和钢木加强部件;1. A reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint is characterized in that: comprising a wooden column (1), a first rectangular steel-wood composite beam, a second rectangular steel-wood composite beam and a steel-wood reinforcing part ; 所述木制柱在梁柱连接处预留榫卯空间;The wooden column reserves tenon and mortise space at the beam-column connection; 所述第一矩形钢木组合梁包括上下两个L形翼缘木板(4)、左右两个带有第组合梁榫头(12)的第一矩形钢木组合梁带榫头腹板木板(3)和两个第一矩形钢木组合梁U形钢梁(2);The first rectangular steel-wood composite beam comprises two upper and lower L-shaped flange planks (4), two left and right first rectangular steel-wood composite beams with tenon web planks (3) with a first composite beam tenon (12). and two first rectangular steel-wood composite beams U-shaped steel beams (2); 所述第二矩形钢木组合梁包括上下两个第二矩形钢木组合梁翼缘木板(6)、左右两个第二矩形钢木组合梁带卯眼腹板木板(7)、两个第二矩形钢木组合梁U形腹板带孔钢梁(5);The second rectangular steel-wood composite beam comprises two upper and lower second rectangular steel-wood composite beam flange boards (6), left and right two second rectangular steel-wood composite beams with socket-hole web boards (7), two second rectangular steel-wood composite beams Steel-wood composite beam U-shaped web perforated steel beam (5); 所述钢木加强部件包括带有方管托座的L形钢连接件(8),一端带有木质撑杆榫头(14)的带榫头撑杆(9)和底部带有卯眼(15)的方形垫块(10)。The steel-wood reinforcing member includes an L-shaped steel connector (8) with a square tube bracket, a tenon (9) with a wooden brace tenon (14) at one end, and a mortise (15) at the bottom. square spacer (10). 2.根据权利要求1所述的一种加强型双拼U形冷弯薄壁钢-木组合梁柱节点,其特征在于:所述木制柱(1)柱身在梁柱连接处预留出第一矩形钢木组合梁和第二矩形钢木组合梁在柱内的拼合空间,预留空间尺寸与矩形组合梁整体横截面宽高尺寸一致,两个方向深度分别为两根组合梁嵌入柱内深度。2. A kind of reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint according to claim 1, characterized in that: the column body of the wooden column (1) reserves the first column at the beam-column connection. The space for splicing a rectangular steel-wood composite beam and a second rectangular steel-wood composite beam in the column, the reserved space size is the same as the width and height of the overall cross-section of the rectangular composite beam, and the depths in the two directions are the depths of the two composite beams embedded in the column. 3.根据权利要求1所述的一种加强型双拼U形冷弯薄壁钢-木组合梁柱节点,其特征在于:所述第一矩形钢木组合梁中两根第一矩形钢木组合梁U形钢梁(2)背靠背成工字梁,腹板左右两边分别放置一端带有第一组合梁榫头(12)的第一矩形钢木组合梁带榫头腹板木板(3),其上下翼缘分别放置在L形翼缘木板(4)内,L形翼缘木板(4)、第一矩形钢木组合梁带榫头腹板木板(3)与U形钢梁之间通过自攻螺钉(11)相互连接固定。3. A reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint according to claim 1, characterized in that: two first rectangular steel-wood composite beams in the first rectangular steel-wood composite beam The U-shaped steel beams (2) form back-to-back I-beams, and the left and right sides of the web are respectively placed with a first rectangular steel-wood composite beam with a tenoned web plank (3) with a first composite beam tenon (12) at one end. The flanges are respectively placed in the L-shaped flange planks (4), and self-tapping screws ( 11) Connect and fix each other. 4.根据权利要求1所述的一种加强型双拼U形冷弯薄壁钢-木组合梁柱节点,其特征在于:第二矩形钢木组合梁中包括上下第二矩形钢木组合梁翼缘木板(6),两根第二矩形钢木组合梁U形腹板带孔钢梁(5)背靠背成工字梁,其中靠外侧U形钢梁梁端上下翼缘处需进行切割,切割宽度和长度分别为第一矩形钢木组合梁中L形翼缘木板(4)的厚度及宽度一致,以此预留出与第一矩形钢木组合梁中L形翼缘木板(4)的拼接空间;4. a kind of reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint according to claim 1 is characterized in that: 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 beams U-shaped web steel beams with holes (5) form back-to-back I-beams, of which the upper and lower flanges of the outer U-shaped steel beam end need to be cut, and the cutting width and length The thickness and width of the L-shaped flange planks (4) in the first rectangular steel-wood composite beam are respectively the same, so as to reserve a splicing space with the L-shaped flange planks (4) in the first rectangular steel-wood composite beam; 所述第二矩形钢木组合梁U形腹板带孔钢梁(5)腹板开孔大小与第一矩组合梁榫头(12)大小一致,腹板左右两边分别放置第二矩形钢木组合梁带卯眼腹板木块(7),孔洞尺寸与第一组合梁榫头(12)尺寸一致,第二矩形钢木组合梁U形腹板带孔钢梁(5)的腹板开孔与第二矩形钢木组合梁带卯眼腹板木块(7)所预留孔洞组合形成第二组合梁卯眼(13),第二矩形钢木组合梁翼缘木板(6)、第二矩形钢木组合梁带卯眼腹板木块(7)与第二矩形钢木组合梁U形腹板带孔钢梁(5)通过自攻螺钉(11)相互连接固定。The second rectangular steel-wood composite beam U-shaped web steel beam with holes (5) has the same size of the web opening as the tenon (12) of the first rectangular composite beam, and the left and right sides of the web are respectively placed with the second rectangular steel-wood combination The size of the hole is the same as the size of the tenon (12) of the first composite beam, and the opening of the web of the second rectangular steel-wood composite beam U-shaped web with holes (5) is the same as that of the steel beam (5). The holes reserved for the second rectangular steel-wood composite beam with socket-hole web blocks (7) are combined to form the second combined beam socket (13), the second rectangular steel-wood composite beam flange board (6), the second rectangular steel-wood The wood block (7) of the composite beam with 90-hole web and the second rectangular steel-wood composite beam U-shaped web with holes (5) are connected and fixed with each other by self-tapping screws (11). 5.根据权利要求1所述的一种加强型双拼U形冷弯薄壁钢-木组合梁柱节点,其特征在于:第二组合钢木梁(5)开孔梁端垂直放置于第一矩形钢木组合梁上下L形翼缘木板(4)之间,再将第一组合梁榫头(12)垂直嵌入第二组合梁卯眼(13)处,完成两个组合梁的柱内搭接。5. A reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint according to claim 1, characterized in that: the second composite steel-wood beam (5) perforated beam end is vertically placed on the first rectangular Between the upper and lower L-shaped flange boards (4) of the steel-wood composite beam, the tenon (12) of the first composite beam is vertically embedded in the socket (13) of the second composite beam to complete the in-column lap joint of the two composite beams. 6.根据权利要求1所述的一种加强型双拼U形冷弯薄壁钢-木组合梁柱节点,其特征在于:第一矩形钢木组合梁和第二矩形钢木组合梁下均有一个带有方管托座的L形钢连接件(8),用于稳固组合梁与柱的连接,其中L形钢连接件(8)带有方钢管座的一端通过螺钉固定于木质柱(1)身上,L形钢连接件(8)另一端通过螺钉固定于各组合梁上,其方管托座尺寸大小与带榫头撑杆(9)横截面尺寸一致。6. The reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint according to claim 1, wherein the first rectangular steel-wood composite beam and the second rectangular steel-wood composite beam have a An L-shaped steel connector (8) with a square tube bracket is used to stabilize the connection between the composite beam and the column, wherein one end of the L-shaped steel connector (8) with the square tube seat is fixed to the wooden column (1) by screws ), the other end of the L-shaped steel connector (8) is fixed on each composite beam by screws, and the size of the square tube bracket is consistent with the cross-sectional size of the tenon strut (9). 7.根据权利要求1所述的一种加强型双拼U形冷弯薄壁钢-木组合梁柱节点,其特征在于:所述L形钢连接件(8)方管托座内插入矩形带榫头撑杆(9),带榫头撑杆(9)另一端带有木质撑杆榫头(14);方形垫块(10)底部带有卯眼(15),带榫头撑杆(9)与方形垫块(10)通过榫卯相接,方形垫块(10)顶部预留搭接面,用于与组合梁下翼缘木板搭接,搭接面宽度为组合梁翼缘宽度。7. A reinforced double-joint U-shaped cold-formed thin-walled steel-wood composite beam-column joint according to claim 1, characterized in that: the L-shaped steel connector (8) is inserted into the square tube bracket with a rectangular tenon A strut (9) with a tenon The other end of the strut (9) is provided with a tenon (14) of a wooden strut; the bottom of the square spacer block (10) is provided with a socket (15), with a tenon strut (9) and a square cushion The blocks (10) are connected by tenon and mortise, and the top of the square spacer block (10) reserves a lap joint surface for lap joint with the lower flange board of the composite beam, and the width of the lap joint surface is the width of the composite beam flange.
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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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