CN112627331A - Beam placing type node of assembled steel-engineering bamboo-wood composite beam column sleeve and construction method - Google Patents
Beam placing type node of assembled steel-engineering bamboo-wood composite beam column sleeve and construction method Download PDFInfo
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- CN112627331A CN112627331A CN202011414362.7A CN202011414362A CN112627331A CN 112627331 A CN112627331 A CN 112627331A CN 202011414362 A CN202011414362 A CN 202011414362A CN 112627331 A CN112627331 A CN 112627331A
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- 239000002023 wood Substances 0.000 title claims abstract description 195
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 201
- 239000010959 steel Substances 0.000 claims abstract description 201
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 187
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 187
- 241001330002 Bambuseae Species 0.000 claims abstract description 187
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 187
- 239000011425 bamboo Substances 0.000 claims abstract description 187
- 238000005553 drilling Methods 0.000 claims description 35
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010079 rubber tapping Methods 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
- E04B1/185—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
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
Abstract
The invention provides an assembled steel-engineering bamboo-wood composite beam column sleeve beam-placing node, which comprises a steel-engineering bamboo/wood combined I-shaped beam (1), a steel-engineering bamboo/wood combined box-shaped column (2), a groove-shaped cantilever beam (3), angle steel (4), unequal-limb angle steel (5) and stiffening ribs (7), wherein the upper flange of the steel-engineering bamboo/wood combined I-shaped beam (1) is connected to the steel-engineering bamboo/wood combined box-shaped column (2) through a sleeve steel plate (6) and the angle steel (4), and the lower flange of the steel-engineering bamboo/wood combined I-shaped beam (1) is connected to the steel-engineering bamboo/wood combined box-shaped column (2) through the sleeve steel plate (6) and the unequal-limb angle steel (5); the two groove-shaped cantilever beams (3) are fixedly connected to two sides of a web plate of the steel-engineering bamboo/wood combined I-shaped beam (1) back to back. The invention also provides a construction method of the node.
Description
Technical Field
The invention belongs to the technical field of structural engineering, and particularly relates to a node structure of a steel-engineering bamboo/wood composite beam and a steel-engineering bamboo/wood composite column.
Background
The node is an important link for smoothly transmitting the load of the roof and the floor to the foundation in any structural system, and is the key for uniformly transmitting the load in the horizontal direction under the action of the horizontal load caused by external forces such as earthquake, typhoon and the like. Therefore, the node design determines the final stress analysis model of the whole structure, whether the node problem can be correctly and reasonably solved directly influences the reliability of the whole structure design, and has direct influence on the progress and the cost of the whole project and the construction quality of the whole project.
At present, in most building systems in China, the structures of beam and column joints of steel structures are developed quite mature and mainly divided into rigid joints, semi-rigid joints and hinged joints. But the stability of the steel structure beam and the steel structure column is poor, and local buckling is easy to occur. The bamboo or wood is added into the steel structure to form a combined member, so that the stability of the combined member can be obviously improved, the two materials are stressed cooperatively, and the mechanical properties of the two materials are fully exerted, so that the bearing capacity and the anti-seismic property are improved. The wood and the bamboo are widely distributed in villages and towns, the wood and the bamboo belong to green environment-friendly materials, the ecological materials are better applied to village and town houses to meet the requirements of ecological houses, and compared with the traditional on-site construction brick-concrete structure of the village and town houses, the steel-engineering bamboo/wood combined structure is easier to assemble, simple and easy to construct, and the ecological, environment-friendly and comfortable properties of the village and town houses are improved, so that the development of the steel-engineering bamboo/wood combined structure system has important significance.
The steel-engineering bamboo/wood combined structure system is mainly established based on the research of components and nodes, the research on the stress performance of the steel-engineering bamboo/wood combined components is abundant at present, the research on the steel-engineering bamboo/wood combined beam column nodes is very little, and the steel-engineering bamboo/wood combined structure system becomes a main restriction factor for the development of the steel-engineering bamboo/wood combined structure system. At present, the steel-engineering bamboo/wood combined structure node mainly has the following defects:
(1) the node forms are few, and a large number of reliable node form choices cannot be provided for the connection of the steel-engineering bamboo/wood combined member;
(2) the assembled simplification degree of the node is low, the requirement for developing the assembled houses in villages and small towns is difficult to meet, the field construction process is complex, and the technical requirement on constructors is high.
Disclosure of Invention
The invention aims to provide an assembly type steel-engineering bamboo-wood composite beam column sleeve-beam placing type node which is suitable for village and town assembly type houses and is easy to construct and install and a simple construction method on the basis of a steel-engineering bamboo/wood combination I-shaped beam and a steel-engineering bamboo/wood combination box-shaped column aiming at the defects of the existing steel-engineering bamboo/wood combination structure node. The technical scheme of the invention is as follows:
a beam type node is put to assembled steel-engineering bamboo wood composite beam column sleeve, including steel-engineering bamboo/wood combination I-shaped beam 1, steel-engineering bamboo/wood combination box column 2, slot type cantilever beam 3, angle steel 4, non-uniform limb angle steel 5 and stiffening rib 7, the upper flange of the steel-engineering bamboo/wood combination I-shaped beam 1 is connected to the steel-engineering bamboo/wood combination box column 2 through the sleeve steel plate 6 and angle steel 4, the lower flange of the steel-engineering bamboo/wood combination I-shaped beam 1 is connected to the steel-engineering bamboo/wood combination box column 2 through the sleeve steel plate 6 and non-uniform limb angle steel 5, the said non-uniform limb angle steel 5, one limb that links with the steel-engineering bamboo/wood combination I-shaped beam 1 is the long limb, one limb that links with the steel-engineering bamboo/wood combination box column 2 is the short limb; the two groove-shaped cantilever beams 3 are fixedly connected to two sides of a web plate of the steel-engineering bamboo/wood combined I-shaped beam 1 back to back, and one ends of the two groove-shaped cantilever beams 3 close to the steel-engineering bamboo/wood combined box-shaped column 2 are fixedly connected to the sleeve steel plate 6; the sleeve steel plate 6 is fixedly connected to the periphery of the steel-engineering bamboo/wood combined box column 2 and matched with the size of the steel-engineering bamboo/wood combined box column 2. Wherein the content of the first and second substances,
the steel-engineering bamboo/wood combined I-shaped beam 1 comprises thin-wall H-shaped steel 8 and two engineering bamboo/wood boards 10 which are respectively equal in length to the upper flange and the lower flange of the thin-wall H-shaped steel 8, wherein the engineering bamboo/wood boards 10 are made of bamboo boards or wood boards, the lower flange of one end of the thin-wall H-shaped steel 8 is cut off, the cutting length is equal to that of a groove-shaped cantilever beam 3, bolt holes are pre-drilled in the upper flange, the lower flange and a web plate of the cutting end of the thin-wall H-shaped steel 8 according to the arrangement of high-strength bolts 12, bolt holes are pre-drilled in one end of the two engineering bamboo/wood boards 10 according to the arrangement of the high-strength bolts 12, and the bolt holes of the two engineering bamboo/wood boards 10 are respectively aligned with;
the steel-engineering bamboo/wood combined box column 2 comprises a thin-wall square steel pipe 9 and four engineering bamboo/wood boards 10 which are as long as the thin-wall square steel pipe 9, bolt holes are pre-drilled in two opposite steel pipe walls of the thin-wall square steel pipe 9 according to the arrangement of high-strength split bolts 13, bolt holes are pre-drilled in two engineering bamboo/wood boards 10 according to the arrangement of the high-strength split bolts 13, pre-drilling is not needed for the other two engineering bamboo/wood boards 10, the bolt holes of the two pre-drilled engineering bamboo/wood boards 10 are aligned with the bolt holes in the two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe 9 and then fixedly connected to the outer surfaces of the two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe 9, and the other two non-drilled engineering bamboo/wood boards 10 are respectively and fixedly connected to the outer surfaces of the other two opposite steel.
Preferably, the height of a web plate of each groove-shaped cantilever beam 3 is matched with the distance between the upper flange and the lower flange of the thin-wall H-shaped steel 8, the two groove-shaped cantilever beams 3 are fixedly connected to the sleeve steel plate 6 in a mode that the web plates are close to the groove openings and face outwards, the distance between the web plates of the two groove-shaped cantilever beams 3 is matched with the thickness of the web plate of the thin-wall H-shaped steel 8, bolt holes are pre-drilled in the web plates of the two groove-shaped cantilever beams 3 and the upper flange and the lower flange of the thin-wall H-shaped steel 8 according to the arrangement of high-strength bolts 12, a bolt hole is arranged in one limb, connected with the steel-engineering bamboo/wood combined I-shaped beam 1, connected with the other limb, of the steel-engineering bamboo/wood combined box-shaped column 2 according to the arrangement of the high-strength counter.
The construction method for placing the beam type node comprises the following steps:
(1) prefabricating a steel-engineering bamboo/wood combined I-shaped beam 1, cutting off a lower flange at one end of thin-wall H-shaped steel 8, wherein the cutting length is equal to that of a groove-shaped cantilever beam 3, pre-drilling holes at the upper flange, the lower flange and a web plate at the cutting end of the thin-wall H-shaped steel 8 according to the arrangement of high-strength bolts 12, preparing two engineering bamboo/wood boards 10 which are respectively equal to the upper flange and the lower flange of the thin-wall H-shaped steel 8, pre-drilling holes at one end of the two engineering bamboo/wood boards 10 according to the arrangement of the high-strength bolts 12, polishing, derusting, cleaning and the like on the outer surfaces of the upper flange and the lower flange of the thin-wall H-shaped steel 8, coating structural adhesive, respectively aligning bolt holes of the two engineering bamboo/wood boards 10 with bolt holes at the upper flange and the lower flange of the thin-wall H-shaped steel 8 according to, forming a steel-engineering bamboo/wood combined I-shaped beam 1 when the structural adhesive reaches the strength;
(2) prefabricating a steel-engineering bamboo/wood combined box column 2, pre-drilling holes on two opposite steel pipe walls of a thin-wall square steel pipe 9 according to the arrangement of high-strength tie bolts 13, preparing four engineering bamboo/wood boards 10 with the same length as the thin-wall square steel pipe 9, pre-drilling the two engineering bamboo/wood boards 10 according to the arrangement of the high-strength tie bolts 13, pre-drilling the other two engineering bamboo/wood boards 10 without pre-drilling holes, pre-treating the outer surfaces of the peripheral steel pipe walls of the thin-wall square steel pipe 9, coating structural adhesive, aligning bolt holes of the two pre-drilled engineering bamboo/wood boards 10 with bolt holes on two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe 9, respectively adhering the other two non-pre-drilled engineering bamboo/wood boards 10 on the outer surfaces of the other two opposite steel pipe walls of the thin-wall square steel pipe 9, forming a steel-engineering bamboo/wood combined box column 2 when the structural adhesive reaches the strength;
(3) pre-drilling is carried out on one limb of the angle steel 4 according to the arrangement of the high-strength bolts 12, pre-drilling is carried out on the other limb according to the arrangement of the high-strength tie bolts 13, and a stiffening rib 7 is welded at the central line position of the angle steel 4; pre-drilling is carried out on the long limb of the unequal limb angle steel 5 according to the arrangement of the high-strength bolts 12, pre-drilling is carried out on the short limb according to the arrangement of the high-strength split bolts 13, and a stiffening rib 7 is welded at the central line position of the unequal limb angle steel 5; the length of the two splicing plates 11 is taken according to the arrangement of the high-strength bolts 12, and pre-drilling is carried out according to the arrangement of the high-strength bolts 12;
(4) the height of the two groove-shaped cantilever beams 3 is equal to the distance between the upper flange and the lower flange of the thin-wall H-shaped steel 8, the two groove-shaped cantilever beams 3 are welded on one surface of the sleeve steel plate 6 in a mode that the web plate is close to the notch and faces outwards, the surface is set as an A surface, the distance between the web plates of the two groove-shaped cantilever beams 3 is ensured to be matched with the thickness of the web plate of the thin-wall H-shaped steel 8, the upper flange and the lower flange of the two groove-shaped cantilever beams 3 are positioned on the same horizontal line, pre-drilling is carried out on the web plates and the upper flange and the lower flange of the two groove-shaped cantilever beams 3 according to the; polishing, derusting, cleaning and the like of the outer surfaces of the lower flanges of the two welded groove-shaped cantilever beams 3, smearing structural adhesive, preparing an engineering bamboo/wood board 10 with the same length as the groove-shaped cantilever beams 3, pre-drilling holes on the engineering bamboo/wood board 10 according to the arrangement of high-strength bolts 12, aligning bolt holes of the engineering bamboo/wood board 10 with bolt holes of the lower flanges of the two groove-shaped cantilever beams 3, and adhering the bolt holes to the outer surfaces of the lower flanges of the groove-shaped cantilever beams 3 to ensure the installation of the steel-engineering bamboo/wood combined I-shaped beam 1 and ensure that the outer surfaces of the engineering bamboo/wood board 10 adhered to the lower flanges of the groove-shaped cantilever beams 3 after the installation are positioned on the same horizontal plane as the outer surfaces of the lower flanges of the steel; setting the surface opposite to the surface A of the sleeve steel plate 6 as a surface B, pre-drilling holes in the surface B of the sleeve steel plate 6 according to the arrangement of high-strength split bolts 13, placing the sleeve steel plate 6 with drilled bolt holes in alignment with bolt holes of a steel-engineering bamboo/wood combined box column 2, and fastening the split bolts 13 by adopting two rows of high-strength split bolts in the middle;
(5) field installation:
step 1: directly placing the steel-engineering bamboo/wood combined I-shaped beam 1 between webs of two groove-shaped cantilever beams 3 welded on a sleeve steel plate 6 from top to bottom, and aligning the steel-engineering bamboo/wood combined I-shaped beam 1 with the webs of the two groove-shaped cantilever beams 3 and bolt holes at the upper flange;
step 2: placing one limb of an angle steel 4 pre-drilled according to a high-strength bolt 12 at the upper flange of a steel-engineering bamboo/wood combined I-shaped beam 1, placing the other limb of the angle steel 4 pre-drilled according to the high-strength split bolt 13 in a manner of being tightly attached to a sleeve steel plate 6, centering bolt holes of the high-strength bolt 12 on the angle steel 4 with bolt holes at the upper flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and two groove-shaped cantilever beams 3, centering bolt holes of the high-strength split bolt 13 with bolt holes of the sleeve steel plate 6, and fastening and connecting the angle steel 4, the steel-engineering bamboo/wood combined I-shaped beam 1 and the upper flanges of the two groove-shaped cantilever beams 3 through the high-strength bolt 12;
and step 3: placing the long limb of the unequal limb angle steel 5 at the lower flange of the steel-engineering bamboo/wood combined I-shaped beam 1, placing the short limb in close contact with the sleeve steel plate 6, aligning the bolt hole on the long limb of the unequal limb angle steel 5 with the bolt holes at the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3, and aligning the bolt hole on the short limb with the bolt hole of the sleeve steel plate 6; placing two splicing plates 11 on the inner surfaces of the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3, and aligning bolt holes of the splicing plates 11 with bolt holes of the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3; the long limbs of the unequal limb angle steels 5, the splice plates 11, the steel-engineering bamboo/wood combined I-shaped beam 1 and the lower flanges of the two groove-shaped cantilever beams 3 are fastened and connected through high-strength bolts 12;
and 4, step 4: the web plates of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3 are fastened and connected through high-strength bolts 12;
and 5: the short limbs of the angle steel 4 and the unequal limb angle steel 5 are fastened and connected with the steel-engineering bamboo/wood combined box column 2 and the sleeve steel plate 6 through high-strength split bolts 13;
step 6: and forming an assembly type steel-engineering bamboo-wood composite beam column sleeve-beam placing node.
The invention can be used for the node connection of the steel-engineering bamboo/wood combined I-shaped beam and the steel-engineering bamboo/wood combined box-shaped column, thereby being beneficial to the development of a steel-engineering bamboo/wood combined structure system and having the following advantages:
(1) the steel-engineering bamboo/wood composite structure node is a novel steel-engineering bamboo/wood composite structure node, and is simple in structure and convenient to construct;
(2) the node has reliable mechanical property and low dead weight and energy consumption, and can meet the requirements of bearing capacity and ecological energy conservation of village and town houses;
(3) the node can realize on-site assembly type construction, the construction process is simple and easy to operate, on-site welding is not needed, the technical requirement on constructors is low, the construction speed is high, and the cost is reduced;
(4) the industrial production can be realized, the field assembly type simplified construction is realized, and the industrialization degree is high.
Drawings
FIG. 1 is a detailed three-dimensional construction of a node;
FIG. 2 is a detailed view of a steel-engineered bamboo/wood composite I-beam member;
FIG. 3 is a detailed view of a steel-engineering bamboo/wood combination box type column member;
FIG. 4 is a detailed view of the structure of angle steel, (a) is angle steel, and (b) is angle steel with unequal limbs;
FIG. 5 is a detailed view of the sleeve steel plate and channel cantilever beam configuration;
FIG. 6 is a detail view of the sleeve construction;
FIG. 7 is a view of the node in three dimensions, (a) is a front view, (b) is a top view, (c) is a left view;
the reference numbers in the figures illustrate: 1-steel-engineering bamboo/wood combined I-shaped beam; 2-steel-engineering bamboo/wood combined box column; 3, a groove-shaped cantilever beam; 4-angle steel; 5-unequal limb angle steel; 6, a sleeve steel plate; 7-a stiffening rib; 8-thin-walled H-shaped steel; 9-thin-wall square steel tube; 10-engineering bamboo/wood board; 11-splice plate; 12-high strength bolts; 13-high strength split bolt.
Detailed Description
The embodiments of the invention will be further described with reference to the accompanying drawings in which:
referring to fig. 1, the assembled steel-engineering bamboo-wood composite beam column sleeve-beam placing node comprises a steel-engineering bamboo/wood composite I-shaped beam 1, a steel-engineering bamboo/wood composite box column 2, a groove-shaped cantilever beam 3, angle steel 4, unequal limb angle steel 5 and stiffening ribs 7, wherein the steel-engineering bamboo/wood composite I-shaped beam 1 and the steel-engineering bamboo/wood composite box column 2 are respectively formed in a factory through structural adhesive bonding, the groove-shaped cantilever beam 3 is welded with a sleeve steel plate 6, the angle steel 4 is welded with the stiffening ribs 7, the unequal limb angle steel 5 is welded with the stiffening ribs 7 in the factory, the sleeve steel plate 6 is welded on the periphery of the steel-engineering bamboo/wood composite box column 2 to form a sleeve, the steel-engineering bamboo/wood composite I-shaped beam 1 is connected with the groove-shaped cantilever beam 3, the angle steel 4 is connected with the unequal limb angle steel 5 through high-strength bolts 12, the steel-engineering bamboo/wood composite box column 2 and the angle steel 4, The unequal limb angle steels 5 and the sleeve steel plates 6 are connected through high-strength split bolts 13.
Referring to fig. 2, a lower flange is cut off from one end of the thin-wall H-section steel 8, the cutting length is equal to that of the groove-shaped cantilever beam 3, pre-drilling is performed at the upper and lower flanges and the web of the cutting end of the thin-wall H-section steel 8 according to the arrangement of high-strength bolts 12, two engineering bamboo/wood boards 10, which are respectively equal to the upper and lower flanges of the thin-wall H-section steel 8, are pre-drilled at one end of the two engineering bamboo/wood boards 10 according to the arrangement of the high-strength bolts 12, the outer surfaces of the upper and lower flanges of the thin-wall H-section steel 8 are subjected to polishing, derusting, cleaning and the like, structural adhesive is applied, bolt holes of the two engineering bamboo/wood boards 10 are respectively aligned with bolt holes at the upper and lower flanges of the thin-wall H-section steel 8 according to the principle that the engineering bamboo/wood, the steel-engineering bamboo/wood combined I-shaped beam 1 is formed (the steel-engineering bamboo/wood combined I-shaped beam 1 is not limited to the beam component, and the I-shaped section beam can adopt the node of the invention).
Referring to fig. 3, on two opposite steel pipe walls of a thin-wall square steel pipe 9, pre-drilling is performed according to the arrangement of high-strength tie bolts 13, four engineering bamboo/wood boards 10 with the same length as the thin-wall square steel pipe 9 are pre-drilled according to the arrangement of the high-strength tie bolts 13 on the two engineering bamboo/wood boards 10, the other two engineering bamboo/wood boards 10 do not need pre-drilling, the outer surfaces of the steel pipe walls around the thin-wall square steel pipe 9 are subjected to polishing, derusting, cleaning and the like, structural glue is applied, bolt holes of the two pre-drilled engineering bamboo/wood boards 10 are aligned with bolt holes on two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe 9, and are respectively adhered to the outer surfaces of the two opposite steel pipe walls of the thin-wall square steel pipe 9, the other two non-pre-drilled engineering bamboo/wood boards 10 are respectively adhered to the outer surfaces of the other two opposite steel pipe, and (3) forming the steel-engineering bamboo/wood combined box-type column 2 when the structural adhesive reaches the strength (the steel-engineering bamboo/wood combined box-type column 2 is not limited to the column component, and the box-section column can adopt the joint of the invention).
Referring to fig. 4, one limb of the angle iron 4 is pre-drilled according to the arrangement of the high-strength bolts 12, the other limb is pre-drilled according to the arrangement of the high-strength tie bolts 13, and the stiffening rib 7 is welded at the position of the center line of the angle iron 4. The long limb of the unequal limb angle steel 5 is pre-drilled according to the arrangement of the high-strength bolts 12, the short limb is pre-drilled according to the arrangement of the high-strength split bolts 13, and the stiffening ribs 7 are welded at the central line position of the unequal limb angle steel 5. Two splice plates 11 with the same width as the flange of the groove-shaped cantilever beam 3, wherein the length of the splice plates 11 is taken as a value according to the arrangement of the high-strength bolts 12, and pre-tapping is carried out according to the arrangement of the high-strength bolts 12.
Referring to fig. 5 and 6, the height of the two groove-shaped cantilever beams 3 is equal to the distance between the inner surface of the upper flange and the outer surface of the lower flange of the thin-wall H-shaped steel 8, the two groove-shaped cantilever beams 3 are welded on a sleeve steel plate 6 in a mode that the web plates are close to the notches outwards, the distance between the web plates of the two groove-shaped cantilever beams 3 is ensured to be matched with the thickness of the web plate of the thin-wall H-shaped steel 8 (or slightly larger than the thickness of the web plate of the thin-wall H-shaped steel 8 by 1-2mm), the upper flange and the lower flange of the two groove-shaped cantilever beams 3 are positioned on the same horizontal line, pre-drilling is carried out on the web plates and the upper flange and the lower flange. Polishing, derusting, cleaning and the like are carried out on the outer surfaces of the lower flanges of the two welded groove-shaped cantilever beams 3, structural adhesive is coated, a piece of engineering bamboo/wood board 10 with the same length as the groove-shaped cantilever beams 3 is pre-drilled according to the arrangement of high-strength bolts 12, bolt holes of the engineering bamboo/wood board 10 are aligned with bolt holes of the lower flanges of the two groove-shaped cantilever beams 3 and are adhered to the outer surfaces of the lower flanges of the groove-shaped cantilever beams 3, the installation of the steel-engineering bamboo/wood combined I-shaped beam 1 is ensured, and the outer surfaces of the engineering bamboo/wood board 10 adhered to the lower flanges of the groove-shaped cantilever beams 3 after the installation are ensured to be in the same horizontal plane with the outer surfaces of the. And pre-drilling any one of the other three sleeve steel plates 6 according to the arrangement of the high-strength split bolts 13, aligning the two sleeve steel plates 6 with the bolt holes of the steel-engineering bamboo/wood combined box column 2, fastening the two rows of the high-strength split bolts 13 in the middle, and connecting the other two sleeve steel plates 6 without pre-drilling with the two sleeve steel plates 6 with the bolt holes fixed on the steel-engineering bamboo/wood combined box column 2 in a welding manner to form a sleeve.
The field installation method comprises the following steps:
step 1: directly placing the steel-engineering bamboo/wood combined I-shaped beam 1 between webs of two groove-shaped cantilever beams 3 welded on a sleeve steel plate 6 from top to bottom, and aligning the steel-engineering bamboo/wood combined I-shaped beam 1 with the webs of the two groove-shaped cantilever beams 3 and bolt holes at the upper flange;
step 2: placing one limb of an angle steel 4 pre-drilled according to a high-strength bolt 12 at the upper flange of a steel-engineering bamboo/wood combined I-shaped beam 1, placing the other limb of the angle steel 4 pre-drilled according to the high-strength split bolt 13 in a manner of being tightly attached to a sleeve steel plate 6, centering bolt holes of the high-strength bolt 12 on the angle steel 4 with bolt holes at the upper flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and two groove-shaped cantilever beams 3, centering bolt holes of the high-strength split bolt 13 with bolt holes of the sleeve steel plate 6, and fastening and connecting the angle steel 4, the steel-engineering bamboo/wood combined I-shaped beam 1 and the upper flanges of the two groove-shaped cantilever beams 3 through the high-strength bolt 12;
and step 3: placing the long limb of the unequal limb angle steel 5 at the lower flange of the steel-engineering bamboo/wood combined I-shaped beam 1, placing the short limb in close contact with the sleeve steel plate 6, aligning the bolt hole on the long limb of the unequal limb angle steel 5 with the bolt holes at the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3, and aligning the bolt hole on the short limb with the bolt hole of the sleeve steel plate 6; placing two splicing plates 11 on the inner surfaces of the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3, and aligning bolt holes of the splicing plates 11 with bolt holes of the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3; the long limbs of the unequal limb angle steels 5, the splice plates 11, the steel-engineering bamboo/wood combined I-shaped beam 1 and the lower flanges of the two groove-shaped cantilever beams 3 are fastened and connected through high-strength bolts 12;
and 4, step 4: the web plates of the steel-engineering bamboo/wood combined I-shaped beam 1 and the two groove-shaped cantilever beams 3 are fastened and connected through high-strength bolts 12;
and 5: the short limbs of the angle steel 4 and the unequal limb angle steel 5 are fastened and connected with the steel-engineering bamboo/wood combined box column 2 and the sleeve steel plate 6 through high-strength split bolts 13;
step 6: after the beam node is installed according to the steps, the assembled steel-engineering bamboo-wood composite beam column sleeve-beam placing node is formed. As shown in fig. 7.
Claims (3)
1. A beam type node is put to assembled steel-engineering bamboo wood composite beam column sleeve, includes steel-engineering bamboo/wood combination I-shaped roof beam (1), steel-engineering bamboo/wood combination box column (2), cell type cantilever beam (3), angle steel (4), not acromatic angle steel (5) and stiffening rib (7), the upper flange of steel-engineering bamboo/wood combination I-shaped roof beam (1) is connected to steel-engineering bamboo/wood combination box column (2) through sleeve steel sheet (6) and angle steel (4), the lower flange of steel-engineering bamboo/wood combination I-shaped roof beam (1) is connected to steel-engineering bamboo/wood combination box column (2) through sleeve steel sheet (6) and not acromatic angle steel (5), one limb connected with the steel-engineering bamboo/wood combined I-shaped beam (1) is a long limb, one limb connected with the steel-engineering bamboo/wood combined box-type column (2) is a short limb; the two groove-shaped cantilever beams (3) are fixedly connected to two sides of a web plate of the steel-engineering bamboo/wood combined I-shaped beam (1) back to back, and one ends of the two groove-shaped cantilever beams (3) close to the steel-engineering bamboo/wood combined box-shaped column (2) are fixedly connected to the sleeve steel plate (6); the sleeve steel plate (6) is fixedly connected to the periphery of the steel-engineering bamboo/wood combined box column (2) and matched with the size of the steel-engineering bamboo/wood combined box column (2). Wherein the content of the first and second substances,
the steel-engineering bamboo/wood combined I-shaped beam (1) comprises thin-wall H-shaped steel (8) and two engineering bamboo/wood boards (10) which are respectively equal in length to the upper flange and the lower flange of the thin-wall H-shaped steel (8), wherein the engineering bamboo/wood boards (10) are made of bamboo boards or wood boards, the lower flange of one end of the thin-wall H-shaped steel (8) is cut off, the cutting length is equal to that of a groove-shaped cantilever beam (3), bolt holes are pre-drilled in the upper flange and the lower flange of the cutting end of the thin-wall H-shaped steel (8) and in the web according to the arrangement of high-strength bolts (12), bolt holes are pre-drilled in one ends of the two engineering bamboo/wood boards (10) according to the arrangement of the high-strength bolts (12), and the bolt holes of the two engineering bamboo/wood boards (10) are respectively aligned with the bolt holes in the;
the steel-engineering bamboo/wood combined box-type column (2) comprises a thin-wall square steel pipe (9) and four engineering bamboo/wood boards (10) with the same length as the thin-wall square steel pipe (9), bolt holes are pre-drilled on two opposite steel pipe walls of the thin-wall square steel pipe (9) according to the arrangement of the high-strength split bolts (13), bolt holes are pre-drilled on the two engineering bamboo/wood boards (10) according to the arrangement of the high-strength split bolts (13), the other two engineering bamboo/wood boards (10) do not need to be pre-drilled, bolt holes of the two pre-drilled engineering bamboo/wood boards (10) are aligned with bolt holes on two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe (9) and then are fixedly connected to the outer surfaces of the two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe (9), the other two engineering bamboo/wood boards (10) which are not pre-drilled are respectively and fixedly connected with the outer surfaces of the other two opposite steel pipe walls of the thin-wall square steel pipe (9).
2. The girder erection joint according to claim 1, wherein the web height of each channel-type cantilever beam (3) is matched with the distance between the upper and lower flanges of the thin-walled H-beam (8), the two channel-type cantilever beams (3) are fixedly connected to the sleeve steel plate (6) in such a way that the webs are close to the notches outward, and the distance between the webs of the two channel-type cantilever beams (3) is ensured to be matched with the web thickness of the thin-walled H-beam (8), bolt holes are pre-drilled in the webs of the two channel-type cantilever beams (3) and the upper and lower flanges of the thin-walled H-beam (8) according to the arrangement of the high-strength bolts (12), one limb of each angle steel connected to the steel-engineering bamboo/wood combination I-beam (1) is provided with bolt holes according to the arrangement of the high-strength bolts (12), and the other limb connected to the steel-engineering bamboo/wood combination box column (2) is provided with bolt holes according to, bolt holes are arranged on the sleeve steel plate (6) according to the arrangement of the high-strength split bolts.
3. The construction method of the girder laying node as set forth in claim 1, comprising the steps of:
(1) prefabricating a steel-engineering bamboo/wood combined I-shaped beam (1), cutting one end of thin-wall H-shaped steel (8) to cut off a lower flange, wherein the cutting length is equal to that of a groove-shaped cantilever beam (3), pre-drilling holes at the upper flange, the lower flange and a web plate of the cutting end of the thin-wall H-shaped steel (8) according to the arrangement of high-strength bolts (12), preparing two engineering bamboo/wood boards (10) which are respectively equal to the upper flange and the lower flange of the thin-wall H-shaped steel (8), pre-drilling holes at one end of the two engineering bamboo/wood boards (10) according to the arrangement of the high-strength bolts (12), polishing, derusting, cleaning and the like on the outer surfaces of the upper flange and the lower flange of the thin-wall H-shaped steel (8), coating structural adhesive, aligning bolt holes of the two engineering bamboo/wood boards (10) with bolt holes at the upper flange and the lower flange of the, respectively sticking the outer surfaces of the upper flange and the lower flange of the processed thin-wall H-shaped steel (8), and forming a steel-engineering bamboo/wood combined I-shaped beam (1) when the structural adhesive reaches the strength;
(2) prefabricating a steel-engineering bamboo/wood combined box column (2), pre-drilling holes on two opposite steel pipe walls of a thin-wall square steel pipe (9) according to the arrangement of high-strength tie bolts (13), preparing four engineering bamboo/wood boards (10) with the same length as the thin-wall square steel pipe (9), pre-drilling the holes on the two engineering bamboo/wood boards (10) according to the arrangement of the high-strength tie bolts (13), pre-drilling the other two engineering bamboo/wood boards (10) without pre-drilling holes, pre-treating the outer surfaces of the peripheral steel pipe walls of the thin-wall square steel pipe (9), coating structural adhesive on the outer surfaces of the two pre-drilled engineering bamboo/wood boards (10), aligning bolt holes on the two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe (9), and respectively adhering the bolt holes on the outer surfaces of the two opposite pre-drilled steel pipe walls of the thin-wall square steel pipe (9), respectively sticking other two engineering bamboo/wood boards (10) which are not pre-drilled on the outer surfaces of the other two opposite steel pipe walls of the thin-wall square steel pipe (9), and forming a steel-engineering bamboo/wood combined box column (2) when the structural adhesive reaches the strength;
(3) pre-drilling holes in one limb of the angle steel (4) according to the arrangement of the high-strength bolts (12), pre-drilling holes in the other limb according to the arrangement of the high-strength tie bolts (13), and welding stiffening ribs (7) at the center line position of the angle steel (4); pre-drilling is carried out on long limbs of the unequal limb angle steel (5) according to the arrangement of high-strength bolts (12), pre-drilling is carried out on short limbs according to the arrangement of high-strength split bolts (13), and stiffening ribs (7) are welded at the center line positions of the unequal limb angle steel (5); the length of the splicing plates (11) is selected according to the arrangement of the high-strength bolts (12), and pre-drilling is carried out according to the arrangement of the high-strength bolts (12);
(4) the height of the two groove-shaped cantilever beams (3) is equal to the distance between the upper flange and the lower flange of the thin-wall H-shaped steel (8), the two groove-shaped cantilever beams (3) are welded on one surface of the sleeve steel plate (6) in a mode that the web plate is close to the notch to be outward, the surface is set to be an A surface, the distance between the web plates of the two groove-shaped cantilever beams (3) is ensured to be matched with the thickness of the web plate of the thin-wall H-shaped steel (8), the upper flange and the lower flange of the two groove-shaped cantilever beams (3) are positioned on the same horizontal line, pre-drilling is carried out on the web plates and the upper flange and the lower flange of the two groove-shaped cantilever beams (3) according to the arrangement of high-strength bolts; polishing, derusting, cleaning and the like on the outer surfaces of the lower flanges of the two welded groove-shaped cantilever beams (3), smearing structural adhesive, preparing an engineering bamboo/wood board (10) with the same length as the groove-shaped cantilever beams (3), pre-drilling holes on the engineering bamboo/wood board (10) according to the arrangement of high-strength bolts (12), aligning bolt holes of the engineering bamboo/wood board (10) with bolt holes of the lower flanges of the two groove-shaped cantilever beams (3), and sticking the bolt holes on the outer surfaces of the lower flanges of the groove-shaped cantilever beams (3) to ensure the installation of the steel-engineering bamboo/wood combined I-shaped beam (1), and ensuring that the outer surface of the engineering bamboo/wood board (10) stuck with the lower flanges of the groove-shaped cantilever beams (3) after installation is in the same horizontal plane as the outer surface of the lower flanges of the steel-engineering bamboo/wood combined I; setting the surface opposite to the surface A of the sleeve steel plate (6) as a surface B, pre-drilling holes on the surface B of the sleeve steel plate (6) according to the arrangement of high-strength split bolts (13), aligning the sleeve steel plate (6) with drilled bolt holes with bolt holes of a steel-engineering bamboo/wood combined box column (2), and fastening the split bolts (13) by adopting two rows of high-strength split bolts in the middle;
(5) field installation:
step (1): directly placing a steel-engineering bamboo/wood combined I-shaped beam (1) between webs of two groove-shaped cantilever beams (3) welded on a sleeve steel plate (6) from top to bottom, and centering the steel-engineering bamboo/wood combined I-shaped beam (1) and the webs of the two groove-shaped cantilever beams (3) with bolt holes at the upper flange;
step (2): placing one limb of an angle steel (4) which is pre-drilled according to a high-strength bolt (12) at the upper flange of a steel-engineering bamboo/wood combined I-shaped beam (1), placing the other limb which is pre-drilled according to a high-strength split bolt (13) in a manner of being tightly attached to a sleeve steel plate (6), centering bolt holes of the high-strength bolt (12) on the angle steel (4) with bolt holes at the upper flanges of the steel-engineering bamboo/wood combined I-shaped beam (1) and two groove-shaped cantilever beams (3), centering bolt holes of the high-strength split bolt (13) with bolt holes of the sleeve steel plate (6), and fastening and connecting the angle steel (4), the steel-engineering bamboo/wood combined I-shaped beam (1) and the upper flanges of the two groove-shaped cantilever beams (3) through the high-strength bolt (12);
and (3): placing the long limb of the unequal limb angle steel (5) at the lower flange of the steel-engineering bamboo/wood combined I-shaped beam (1), placing the short limb and the sleeve steel plate (6) in a close fit manner, centering bolt holes in the long limb of the unequal limb angle steel (5) with bolt holes at the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam (1) and the two groove-shaped cantilever beams (3), and centering bolt holes in the short limb with bolt holes of the sleeve steel plate (6); placing two splicing plates (11) on the inner surfaces of the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam (1) and the two groove-shaped cantilever beams (3), and aligning bolt holes of the splicing plates (11) with bolt holes of the lower flanges of the steel-engineering bamboo/wood combined I-shaped beam (1) and the two groove-shaped cantilever beams (3); the long limb of the unequal limb angle steel (5), the splice plate (11), the steel-engineering bamboo/wood combined I-shaped beam (1) and the lower flanges of the two groove-shaped cantilever beams (3) are fastened and connected through a high-strength bolt (12);
and (4): the web plates of the steel-engineering bamboo/wood combined I-shaped beam (1) and the two groove-shaped cantilever beams (3) are fastened and connected through high-strength bolts (12);
and (5): the short limbs of the angle steel (4) and the unequal limb angle steel (5) are fastened and connected with the steel-engineering bamboo/wood combined box column (2) and the sleeve steel plate (6) through high-strength split bolts (13);
and (6): and forming an assembly type steel-engineering bamboo-wood composite beam column sleeve-beam placing node.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011414362.7A CN112627331A (en) | 2020-12-03 | 2020-12-03 | Beam placing type node of assembled steel-engineering bamboo-wood composite beam column sleeve and construction method |
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| CN202011414362.7A CN112627331A (en) | 2020-12-03 | 2020-12-03 | Beam placing type node of assembled steel-engineering bamboo-wood composite beam column sleeve and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387465A (en) * | 2022-09-06 | 2022-11-25 | 江苏科技大学 | Cold-formed thin-wall steel-wood combined energy dissipation node and installation method thereof |
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| CN103114651A (en) * | 2013-01-16 | 2013-05-22 | 宁波大学 | Panel point structure of steel-bamboo combined beam and steel-bamboo combined column and processing method thereof |
| CN208934118U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of assembled steel clark beam column node structure |
| CN209538385U (en) * | 2018-12-19 | 2019-10-25 | 西安理工大学 | A kind of band cantilever segment edge of a wing cover plate splice assembled beam-column node |
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| CA2131107A1 (en) * | 1994-03-10 | 1995-09-11 | Kohei Komatsu | Wood column-beam joint structure using lag screw bolts |
| CN103114651A (en) * | 2013-01-16 | 2013-05-22 | 宁波大学 | Panel point structure of steel-bamboo combined beam and steel-bamboo combined column and processing method thereof |
| CN208934118U (en) * | 2018-08-30 | 2019-06-04 | 河北建筑工程学院 | A kind of assembled steel clark beam column node structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115387465A (en) * | 2022-09-06 | 2022-11-25 | 江苏科技大学 | Cold-formed thin-wall steel-wood combined energy dissipation node and installation method thereof |
| CN115387465B (en) * | 2022-09-06 | 2023-09-22 | 江苏科技大学 | Cold-formed thin-wall steel-wood combined energy consumption node and installation method thereof |
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