CN108797889B - Steel-wood composite beam structure and construction method thereof - Google Patents
Steel-wood composite beam structure and construction method thereof Download PDFInfo
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- CN108797889B CN108797889B CN201811004579.3A CN201811004579A CN108797889B CN 108797889 B CN108797889 B CN 108797889B CN 201811004579 A CN201811004579 A CN 201811004579A CN 108797889 B CN108797889 B CN 108797889B
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- 239000002023 wood Substances 0.000 title claims abstract description 109
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims description 13
- 210000001015 abdomen Anatomy 0.000 claims abstract description 116
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 239000004567 concrete Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The steel-wood composite beam structure comprises an inverted T-shaped beam, an abdomen left plank and an abdomen right plank which are symmetrically connected to two sides of a web plate of the inverted T-shaped beam, a flange lower plank connected to the bottom surface of a flange plate of the inverted T-shaped beam, and an angle connecting piece which is symmetrically connected to the abdomen left plank and the abdomen right plank; the angular connecting piece comprises a horizontal plate and an inclined plate; when the steel-wood composite beam structure is used, the belly wood board is fixedly connected with the inverted T-shaped beam, angular connectors are fixedly arranged on the belly left wood board and the belly right wood board, and right-angle connectors are fixedly arranged on the bottom surfaces of the two ends of the flange lower wood board; the invention can fully utilize the stress performance characteristics of the respective materials of steel and wood, can be effectively combined with the lower column body through the right-angle connecting piece, and the angular connecting piece supports the upper structure, so that the integrity and the bearing performance of the combined beam are effectively improved.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a steel-wood composite beam structure and a construction method thereof.
Background
At present, in buildings, structures and the like such as houses, factories and bridges, concrete structures are mostly adopted, but the problems of high energy consumption, low shock resistance, large dead weight and the like of the concrete structures are increasingly remarkable, and the requirements of people on light, energy-saving and low-consumption structures cannot be met. The general concrete beam is processed by cast-in-situ or prefabrication, a full scaffold and an installation template support are required to be erected in the construction process of the concrete beam with the cast-in-situ structure, and maintenance and post treatment are required to be carried out in the later stage, so that the construction progress is very easy to influence; the precast concrete beam is greatly influenced by seasons and temperature factors, cracks are easy to generate, later maintenance is needed,
therefore, it is required to provide a lightweight, high in anti-seismic performance and convenient for construction.
Disclosure of Invention
The invention provides a steel-wood composite beam structure and a construction method thereof, which are used for solving the problems of heavy weight, high energy consumption, poor earthquake resistance and the like of the traditional concrete beam structure, and the concrete steps are as follows:
a steel-wood composite beam structure comprises an inverted T-shaped beam, an abdomen left plank and an abdomen right plank which are symmetrically connected to two sides of a web plate of the inverted T-shaped beam, a flange lower plank connected to the bottom surface of a flange plate of the inverted T-shaped beam, and an angle connecting piece which is symmetrically connected to the abdomen left plank and the abdomen right plank; the angular connecting piece comprises a horizontal plate and an inclined plate, wherein the horizontal plate is connected to the top surfaces of the belly left wood plate and the belly right wood plate, and the inclined plate is obliquely inserted into the side surfaces of the belly left wood plate and the belly right wood plate from outside to inside.
The belly left plank, the belly right plank and the flange lower plank are all arranged along the inverted T-shaped Liang Changxiang in a through length mode, wherein the belly left plank and the belly right plank are connected with the web plate through fasteners, and the flange plates are fixed with the flange lower plank through glue joint; the fastener is a connecting bolt or a connecting rod with two anchored ends.
The belly left plank and the belly right plank are square wood blocks with the same size, the height and the length of the belly left plank and the belly right plank are respectively the height and the length of the web, and the width of the belly left plank and the belly right plank is one half of the width of the flange plate and the thickness of the web is removed.
The angular connecting pieces are distributed at intervals in parallel along the length direction of the belly left plank and the belly right plank.
The abdomen left wood board and the abdomen right wood board are correspondingly provided with a notch for connecting the horizontal board of the angular connecting piece and a slot for inserting the sloping board; wherein the slot is inclined from outside to inside, and the inclination angle is adapted to the included angle of the angular connecting piece.
The included angle between the horizontal plate of the angular connecting piece and the inclined plate is 10-60 degrees.
The flange lower wood board is a square wood board, the length and the width of the flange lower wood board are the length and the width of the flange plate, and the top surface of the flange lower wood board is connected with the lower surface of the flange plate.
The lower surfaces of the two ends of the flange lower wood board are connected with right-angle connecting pieces, and the right-angle outer horizontal plane of the connecting plate of the right-angle connecting pieces is connected with the lower surface of the flange lower wood board.
The construction method of the steel-wood combined structure comprises the following specific steps:
firstly, manufacturing an inverted T-shaped beam, a right-angle connecting piece and an angular connecting piece according to the design size of a structure, wherein the length of a right-angle edge formed by two connecting plates of the right-angle connecting piece is not more than the width of a flange plate of the inverted T-shaped beam;
step two, manufacturing an abdomen left plank, an abdomen right plank and a flange lower plank based on the inverted T-shaped beam size, wherein slots are symmetrically arranged on the outer sides of the abdomen left plank and the abdomen right plank at intervals, notches corresponding to the slots are arranged on the upper surfaces of the abdomen left plank and the abdomen right plank, the lengths of the notches in the longitudinal directions of the abdomen left plank and the abdomen right plank are the lengths of horizontal plates of the angle connecting piece in the longitudinal directions of the abdomen left plank and the abdomen right plank, and the heights of the notches are the thicknesses of the horizontal plates of the angle connecting piece;
step three, respectively fixedly connecting the belly left plank and the belly right plank on two sides of the web plate, and fixedly connecting the flange lower plank on the outer surface of the flange plate;
step four, inserting the sloping plates of the angular connecting piece into the slots of the belly left plank and the belly right plank respectively, clamping the horizontal plate parts of the angular connecting piece into the notches of the belly left plank and the belly right plank, connecting one end part of the horizontal plate with the web plate, and connecting one end part of the horizontal plate with the sloping plate;
and fifthly, respectively connecting the horizontal plane outside the right angle of the connecting plate at one side of the right-angle connecting piece with the outer surfaces of the two end parts of the flange lower wood board, and connecting the connecting plate at the other side of the right-angle connecting piece perpendicular to the outer surfaces of the flange lower wood board.
The invention has the following beneficial effects:
the invention provides a steel-wood composite beam structure and a construction method thereof, which fully utilize the characteristics of strong rigidity, high bearing capacity, stable mechanical property and the like of steel materials through the synergistic effect of an inverted T-shaped beam and an abdomen wood plate, and simultaneously effectively utilize the compression resistance and the buckling resistance of the wood materials; through the right angle connecting piece that sets up at steel-wood beam both ends for steel-wood composite beam is convenient for link to each other with the below post, and the angular connection spare that sets up on the belly plank can support superstructure, like floor, roof beam body etc. angular connection spare horizontal plate and belly plank fixed connection, and the tip is connected with the type roof beam of falling T, can make it bear horizontal or vertical force, and the setting of swash plate can effectually share horizontal plate upper portion load. The steel-wood structure adopted by the invention has the advantages of light weight, high bearing capacity and good anti-seismic performance, and can effectively reduce the consumption of steel materials; because each component can be prefabricated and installed and is less influenced by seasonal factors, the construction time can be shortened, and the construction efficiency of the building can be effectively improved.
Drawings
FIG. 1 is a schematic view of a steel-wood composite beam structure;
FIG. 2 is an elevation view of a steel wood composite beam structure;
FIG. 3 is a left side view of a steel wood composite beam structure;
FIG. 4 is a schematic view of an inverted T-beam;
FIG. 5 is a schematic view of an belly left plank (belly right plank);
FIG. 6 is a schematic illustration of an inverted T beam to belly board connection;
FIG. 7 is a top view of an inverted T beam to belly board connection;
FIG. 8 is a schematic view of a right angle connector;
FIG. 9 is a schematic view of an angle connector;
fig. 10 is a left side view of the angle connector.
Reference numerals: 1-flange plates; 2-web; 3-belly left plank; 4-abdomen right wood board; 5-fastening; 6-a flange lower wood board; 7-web bolt holes; 8-a wood plate bolt hole; 9-inverted T-beams; 10-angle connector; 11-right angle connectors; 12-right angle connector connecting holes; 13-an angular connector attachment hole; 14-notch; 15-slot.
Detailed Description
As shown in fig. 1 to 3, a steel-wood composite girder structure and a construction method thereof, wherein the steel-wood composite girder structure comprises an inverted T-shaped girder 9, an abdomen left plank 3 and an abdomen right plank 4 symmetrically connected to both sides of a web 2 of the inverted T-shaped girder 9, a flange lower plank 6 connected to the bottom surface of a flange plank 1 of the inverted T-shaped girder 9, and an angle connector 10 symmetrically connected to the abdomen left plank 3 and the abdomen right plank 4, the angle connector 10 comprising a horizontal plate and an inclined plate.
As shown in fig. 4, the inverted T-beam 9 described in this embodiment is two Q235 steel plates, and a T-section is formed by welding, wherein the flange plate 1 has a length, a width and a thickness of 2000mm, 140mm and 6mm; web 2 steel sheet length, height and thickness are 2000mm, 194mm and 6mm; the web 2, be provided with double web bolt hole 7, the bolt hole size is 6mm (8 mm, 10 mm), and the marginal web bolt hole 7 is apart from broadside 50mm, goes up row web bolt 7 hole apart from upper edge 50mm, and lower row web bolt hole 7 is apart from lower edge 50mm, and horizontal interval is 100mm, and upper and lower web bolt hole 7 interval is 60mm.
As shown in fig. 5 to 7, the belly left plank 3 and the belly right plank 4 described in the present embodiment are two identical planks, the length, width and height of which are 2000mm, 67mm and 194mm respectively, and are all provided with plank bolt holes 8 which are arranged corresponding to web bolt holes 7 on the steel beam web 2; the length, the width and the thickness of the flange lower wood board 6 are 2000mm, 140mm and 50mm respectively; the belly left plank 3 and belly right plank 4 pass through fastener 5 and link to each other with the web 2 of inverted T roof beam 9, fastener 5 is the bolt, and the flange lower plank 6 passes through structural adhesive and is connected with the flange board 1 lower surface of inverted T roof beam 9 to pressurize after gluing, carry out 7 days and maintain.
As shown in fig. 8, in the embodiment, the steel-wood composite beam and the column are connected in a reinforced manner through right-angle connectors 11, the right-angle connectors 11 are two vertically welded connection plates, the connection plates are provided with right-angle connector connection holes 12, one connection plate is connected with the stud bolts, and the other connection plate is connected with two ends of the bottom surface of the flange lower wood plate 6 through expansion screws; as shown in fig. 9 and 10, the angle connector 10 has one end welded to the web 2 of the inverted T beam 9 and the other end connected to the sloping plate, and angle connector connecting holes 13 are provided at both ends of the horizontal plate for fixing the superstructure such as the floor slab, the cross beam, etc. by self-tapping screws or bolts.
The specific implementation steps are as follows:
firstly, manufacturing a corresponding inverted T-shaped beam 9, a welding right-angle connecting piece 11 and an angular connecting piece 10 according to the design size requirement of a beam in a structure, wherein a flange plate 1 and a web plate 2 are welded and fixed to be processed into the inverted T-shaped beam 9, the welding position is polished to make the edge angle of the welding position clear, and two rows of bolt holes are longitudinally arranged on the web plate 2 of the inverted T-shaped beam 9 at intervals; holes are respectively punched at both connecting plates of the right-angle connector 11 and both ends of the angle connector 10.
Step two, processing an abdomen left plank 3 and an abdomen right plank 4, wherein the length and the height of the abdomen left plank and the abdomen right plank respectively correspond to the length and the height of the web plate 2, the width is one half of the width of the flange plate 1 except for the thickness of the web plate 2, and the length and the width of a flange lower plank 6 correspond to the length and the width of the flange plate 1; bolt holes are formed in the belly left wood board 3 and the belly right wood board 4, and the bolt holes are correspondingly formed in the web plate 2.
Step three, oblique slots 15 are formed in the upper edge positions of the outer side surfaces of the belly left plank 3 and the belly right plank 4, notches 14 are formed in the slots 15 corresponding to the top surfaces of the belly left plank 3 and the belly right plank 4, the horizontal position of the inner end point of each slot 15 is higher than the position of the bolt hole at the uppermost end of the web plate 2, and the length, the width and the thickness of each slot 15 correspond to the length, the width and the thickness of each sloping plate; the notch 14 is arranged transversely and lengthily on the belly left plank 3 and the belly right plank 4, and the thickness of the notch 14 corresponds to the thickness of the horizontal plate of the connecting plate.
And fourthly, fixedly connecting two sides of the web plate 2 of the inverted T-shaped beam 9 with the inner side surfaces of the belly left wood plate 3 and the belly right wood plate 4 through bolts, polishing the lower surface of the flange of the inverted T-shaped beam 9, coating the surface of the flange with mixed epoxy resin glue, tightly pressing the lower wood plate 6 of the flange on the lower surface of the flange of the steel beam, pressing the lower wood plate with a heavy object, extruding redundant glue solution, and curing for one week.
Step five, horizontally mounting the outer right angle surface of the connecting plate at one side of the right angle connecting piece 11 on the lower surface of the flange, and fixing by adopting expansion screws; the inclined plates of the angle connecting piece 10 are respectively inserted into the slots 15 of the belly left plank 3 and the belly right plank 4, and the horizontal plate end of the angle connecting piece 10 is welded with the web plate 2; gaps between the right-angle connecting piece 11 and the angular connecting piece 10 and the abdomen left wood board 3 and the abdomen right wood board 4 are filled with epoxy resin glue; two right-angle connecting pieces 11 are respectively arranged at two ends of the lower surface of the flange, and an angle connecting piece 10 is respectively arranged at three equally divided points of the belly left plank 3 and the belly right plank 4.
It is to be understood that the above examples are presented solely for the purpose of clearly illustrating the salient features of the present invention and are not intended to limit the scope of the present invention; other variations and modifications of the present invention will be apparent to those of skill in the art, and it is intended to cover all such modifications and variations of this invention without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. A steel-wood composite beam structure which is characterized in that: comprises an inverted T-shaped beam (9), an abdomen left wood board (3) and an abdomen right wood board (4) which are symmetrically connected to two sides of a web plate (2) of the inverted T-shaped beam (9), a flange lower wood board (6) connected to the bottom surface of a flange plate (1) of the inverted T-shaped beam (9) and an angular connecting piece (10) which is symmetrically connected to the abdomen left wood board (3) and the abdomen right wood board (4); the angular connecting piece (10) comprises a horizontal plate and an inclined plate, wherein the horizontal plate is connected to the top surfaces of the belly left wood plate (3) and the belly right wood plate (4), and the inclined plate is obliquely inserted into the side surfaces of the belly left wood plate (3) and the belly right wood plate (4) from outside to inside;
the belly left wood board (3) and the belly right wood board (4) are square wood blocks with the same size, the height and the length of the belly left wood board (3) and the belly right wood board (4) are respectively the height and the length of the web (2), and the width of the belly left wood board (3) and the belly right wood board (4) is one half of the thickness of the web (2) removed by the width of the flange plate (1);
the abdomen left wood board (3) and the abdomen right wood board (4) are correspondingly provided with a notch (14) for connecting the horizontal board of the angular connecting piece (10) and a slot (15) for inserting the inclined board;
wherein the slot (15) is inclined from outside to inside, and the inclination angle is adapted to the included angle of the angular connecting piece (10);
the lower surfaces of two ends of the flange lower wood board (6) are connected with right-angle connecting pieces (11), and the right-angle outer horizontal plane of the connecting plate of the right-angle connecting pieces (11) is connected with the lower surface of the flange lower wood board (6).
2. A steel and wood composite beam structure according to claim 1, wherein: the belly left wood board (3), the belly right wood board (4) and the flange lower wood board (6) are all arranged along the length direction of the inverted T-shaped beam (9), wherein the belly left wood board (3) and the belly right wood board (4) are connected with the web plate (2) through fasteners (5), and the flange plate (1) is fixed with the flange lower wood board (6) through cementing; the fastening piece (5) is a connecting bolt or a connecting rod with two anchored ends.
3. A steel and wood composite beam structure according to claim 1, wherein: the angular connecting pieces (10) are distributed at intervals in parallel along the length direction of the belly left wood board (3) and the belly right wood board (4).
4. A steel and wood composite beam structure according to claim 1, wherein: the included angle between the horizontal plate of the angular connecting piece (10) and the inclined plate is 10-60 degrees.
5. A steel and wood composite beam structure according to claim 2, wherein: the flange lower wood board (6) is a square wood board, the length and the width of the flange lower wood board are the length and the width of the flange plate (1), and the top surface of the flange lower wood board (6) is connected with the lower surface of the flange plate (1).
6. The construction method of the steel-wood composite beam structure according to any one of claims 1 to 5, characterized by comprising the following specific steps:
firstly, manufacturing an inverted T-shaped beam (9), a right-angle connecting piece (11) and an angular connecting piece (10) according to the design size of a structure, wherein the length of a right-angle edge formed by two connecting plates of the right-angle connecting piece (11) is not more than the width of a flange plate (1) of the inverted T-shaped beam (9);
step two, based on the size of the inverted T-shaped beam (9), manufacturing an abdomen left wood board (3), an abdomen right wood board (4) and a flange lower wood board (6), wherein slots (15) are symmetrically arranged on the outer sides of the abdomen left wood board (3) and the abdomen right wood board (4) at intervals, notches (14) corresponding to the slots (15) are arranged on the upper surfaces, the lengths of the notches (14) in the longitudinal directions of the abdomen left wood board (3) and the abdomen right wood board (4) are equal to the lengths of horizontal plates in the longitudinal directions of the abdomen left wood board (3) and the abdomen right wood board (4), and the heights of the notches (14) are equal to the thicknesses of the upper plates of the angle horizontal connecting pieces (10);
step three, fixedly connecting the belly left wood board (3) and the belly right wood board (4) on two sides of the web plate (2) respectively, and fixedly connecting the flange lower wood board (6) on the outer surface of the flange plate (1);
step four, correspondingly inserting the inclined plates of the angular connecting piece (10) into the slots (15) of the belly left wood board (3) and the belly right wood board (4), correspondingly clamping the horizontal plates of the angular connecting piece (10) in the notches (14) of the belly left wood board (3) and the belly right wood board (4), wherein one end part of each horizontal plate is connected with the web (2), and the other end part is connected with the inclined plates;
and fifthly, respectively connecting the horizontal plane outside the right angle of the connecting plate at one side of the right-angle connecting piece (11) with the outer surfaces of the two end parts of the flange lower wood board (6), and connecting the connecting plate at the other side of the right-angle connecting piece to the outer surface of the flange lower wood board (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004579.3A CN108797889B (en) | 2018-08-30 | 2018-08-30 | Steel-wood composite beam structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004579.3A CN108797889B (en) | 2018-08-30 | 2018-08-30 | Steel-wood composite beam structure and construction method thereof |
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| CN108797889A CN108797889A (en) | 2018-11-13 |
| CN108797889B true CN108797889B (en) | 2023-11-24 |
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| CN112223476A (en) * | 2020-11-05 | 2021-01-15 | 北京林业大学 | Radial log splitting and staggering combination form capable of being used as beam column |
| CN112627345A (en) * | 2020-12-04 | 2021-04-09 | 上海市建筑科学研究院有限公司 | Steel-bamboo combined engineering bamboo beam-column connecting structure and preparation method thereof |
| CN112593659A (en) * | 2020-12-04 | 2021-04-02 | 上海市建筑科学研究院有限公司 | Engineering bamboo component reinforced by profile steel and preparation method thereof |
| CN113374172A (en) * | 2021-06-10 | 2021-09-10 | 黄冀卓 | Inverted T-shaped steel-wood-concrete combined beam and construction method thereof |
| LU500643B1 (en) * | 2021-09-09 | 2023-03-09 | Cistron Innovations Sarl | Modular structural components |
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| US5279093A (en) * | 1991-12-11 | 1994-01-18 | Mulach Parking Structures Corp. | Composite girder with apparatus and method for forming the same |
| CN101560814A (en) * | 2009-05-11 | 2009-10-21 | 宁波大学 | Combined I-shaped girder and processing method thereof |
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| CN208934252U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of steel and wood composite girder construction |
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2018
- 2018-08-30 CN CN201811004579.3A patent/CN108797889B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5279093A (en) * | 1991-12-11 | 1994-01-18 | Mulach Parking Structures Corp. | Composite girder with apparatus and method for forming the same |
| CN101560814A (en) * | 2009-05-11 | 2009-10-21 | 宁波大学 | Combined I-shaped girder and processing method thereof |
| CN202391014U (en) * | 2011-12-29 | 2012-08-22 | 青岛市城阳区新世纪预制构件有限公司 | Special prestressed precast beam with T-shaped cross section for double-T roof panel |
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| CN108797889A (en) | 2018-11-13 |
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