CN109457805B - Outdoor bamboo assembled double-spliced beam-column structure and assembling method and application thereof - Google Patents
Outdoor bamboo assembled double-spliced beam-column structure and assembling method and application thereof Download PDFInfo
- Publication number
- CN109457805B CN109457805B CN201811600545.0A CN201811600545A CN109457805B CN 109457805 B CN109457805 B CN 109457805B CN 201811600545 A CN201811600545 A CN 201811600545A CN 109457805 B CN109457805 B CN 109457805B
- Authority
- CN
- China
- Prior art keywords
- section
- main beam
- girder
- spliced
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2652—Details of nailing, screwing, or bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/266—Socket type connectors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2676—Connector nodes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses an outdoor bamboo assembled double-spliced beam column structure which comprises a foot seat, an upright column and a main beam, wherein the upright column and the main beam are made of bamboo, the bottom end of the upright column is fixedly connected with one end of the foot seat in a rotating way, the bottom end of the upright column is also connected with the other end of the foot seat through an upper diagonal bracing, one end of the main beam is fixedly connected with the top end of the upright column through a lower diagonal bracing, the two ends of the main beam are both connected with the top end of the upright column through steel rope traction, and the bottom end of the upright column is connected with one end of the main beam which is inclined downwards horizontally through steel rope traction. The invention also discloses application of the outdoor bamboo assembled double-spliced beam column structure and an on-site assembly method. The invention prepares all assembled parts into standard parts in factories, particularly adopts multi-section structure field assembly for overlong and overweight parts, realizes the outdoor modular rapid assembly application of the multi-scene bamboo assembled building with large span, flexible cross section and adjustable structure center of gravity of the beam-column structure, is convenient to assemble and disassemble and can be recycled.
Description
Technical Field
The invention belongs to the technical field of beam-column structures, and particularly relates to an outdoor bamboo assembled double-spliced beam-column structure, an assembling method and application thereof.
Background
The assembled wood-bamboo structure building is formed by prefabricating wood-bamboo structural members and parts in a standard factory and assembling the wood-bamboo structural members and parts on site. The factory prefabrication of the wood structure building mainly comprises three forms of component prefabrication, plate type component prefabrication and unit module prefabrication. Component prefabrication primarily includes plywood components, orthogonal plywood (CLT) boards, and other engineered wood components such as i-wood joists, and the like. The assembled wood structure has the advantages of high processing precision, stable quality, high utilization rate, high construction speed, low labor cost and the like. However, with the forbidden cut of natural forests and the fluctuation of the international wood market, the wood with large diameter grade in the market is less and less. The main characteristics of the assembled wood structure building are that: and a large amount of site construction is transferred to factory production, computer-aided manufacturing and house quality control is moved from a construction site to a factory, so that strict quality authentication management requirements are met. At present, most construction sites have poorer sanitary and safety conditions, and along with the gradual disappearance of the bonito of China population and the aggravation of aging, less and less young people are willing to work on the construction sites with sun, rain and dust noise. On the other hand, national construction regulations and consumer demands for comfort, safety and ecological aesthetics of living and resting buildings are increasing.
Therefore, the high-performance outdoor bamboo engineering material with stable development performance and good durability is required to be used for the assembled bamboo structure by utilizing rich bamboo resources in China and the characteristics of high strength and good toughness of the bamboo, and has important market prospect, social value and ecological value. The beam column structure with simple assembly, high strength, easy assembly, low cost and wide application scene is designed as the current social requirement.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides an outdoor bamboo assembled double-spliced beam-column structure, which is characterized in that all assembled parts are prefabricated into standard parts in a factory, and particularly, a long and overweight main beam and an upright post are assembled on site by adopting a multi-section structure, so that the outdoor modular rapid assembly application of the beam-column structure with large span, curved variable cross section and multi-scene bamboo assembled building is realized, and the outdoor bamboo assembled double-spliced beam-column structure is convenient to assemble and disassemble and can be recycled.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an outdoor bamboo assembled double-spliced beam column structure, its characterized in that, including fixing the stand that sets up at subaerial, vertical slope and the girder that the level slope set up, the material of stand and girder is bamboo, the structural style of stand and girder is double-spliced structure, the bottom of stand and the one end rotation fixed connection of stand, the bottom of stand still through last bracing with the other end of stand is connected, the one end of girder is fixed with the top of stand to through lower bracing fixed connection, the both ends of girder all are connected through the cable traction with the top of stand, the bottom of stand with the one end of the level downward sloping of girder passes through the cable traction connection.
Preferably, the upright posts are formed by lengthening a plurality of upright posts, and the main beams are formed by lengthening a plurality of main beams.
Preferably, the girder comprises a first section of girder, a second section of girder and a third section of girder which are sequentially connected through an I-shaped extension piece, wherein the I-shaped extension piece comprises a first baffle plate, a second baffle plate and a connecting plate for connecting the first baffle plate and the second baffle plate, and a partition plate which is arranged in a cross way with the connecting plate is arranged in the middle of the connecting plate; a plurality of first bolt holes are correspondingly formed in the first baffle plate and the second baffle plate, second bolt holes are formed in the end parts, located on two sides of the partition plate, of the connecting plate, and bolts are connected to the bolt holes in a threaded mode; the ends of the first section of main beam, the second section of main beam and the third section of main beam are provided with slots at the positions where the ends are in plug-in fit with the connecting plates, and the first section of main beam, the second section of main beam and the third section of main beam are fixed with the I-shaped lengthening piece through bolts;
the stand column is connected with the first stand column and the second stand column through the cross-shaped connecting steel sleeve connecting piece, and the bottom end of the first stand column is rotationally connected with the foot seat through the rotating piece; the cross connecting steel sleeve connecting piece comprises a steel sleeve capable of penetrating through a first section of girder and a lengthening plate arranged on one side of the steel sleeve, a third bolt hole is formed in the steel sleeve, a fourth bolt hole is formed in the lengthening plate, a containing groove matched with the steel sleeve in shape and used for containing the steel sleeve is formed in one end face of the first section of upright post, a splicing groove used for splicing the lengthening plate is formed in the second section of upright post, the cross connecting steel sleeve connecting piece is fixed with the second section of upright post through bolts, and the cross connecting steel sleeve connecting piece is fixedly connected with the first section of upright post and the first section of girder through bolts.
Preferably, the base comprises a base plate, a rotating seat arranged on the base plate, a lower inclined strut connecting piece and a connecting seat, wherein a plurality of anchor hook prefabricated members are arranged at the bottom of the base plate, the connecting seat is arranged between the rotating seat and the lower inclined strut connecting piece, the rotating seat is rotationally connected with the rotating connecting piece through a steel pipe, a sliding groove for adjusting the inclined strut angle of the lower inclined strut is formed in the lower inclined strut connecting piece, and a plurality of limiting grooves are sequentially formed in the inner bottom wall of the sliding groove.
Preferably, reinforcing plates are arranged between the two sides of the rotating seat, the upper diagonal bracing connecting piece and the connecting seat and the base plate.
Preferably, the girder is last fixed mounting has an upper diagonal bracing mount pad, go up the diagonal bracing mount pad and seted up the groove that slides, go up the both ends of diagonal bracing have all been seted up go up the diagonal bracing connecting hole, go up the one end of diagonal bracing and pass in proper order through the bolt and set up the groove that slides and girder sliding fixed connection of diagonal bracing connecting hole, upward seted up the diagonal bracing mounting hole on the stand, go up the other end of diagonal bracing and pass through the screw bolt go up diagonal bracing mounting hole and last diagonal bracing connecting hole and stand rotation fixed connection.
Preferably, the main beam is of an arc plate-shaped structure, and the upright post is of a plate-shaped structure. The upright post and the main beam comprise two clamping sheet plates and cushion blocks clamped between the two clamping sheet plates, the number of the cushion blocks is distributed according to the requirement, the I-shaped extension pieces and the cross-shaped cross-connecting steel sleeve connecting pieces are fully considered to be inserted and installed when the main beam and the upright post are lengthened, the number of the cushion blocks and the distribution between the two clamping sheet plates are distributed, the clamping sheet plates are coated with durable paint, the clamping sheet plates are made of recombined bamboo or bamboo bundles/wood laminated veneer lumber, the cushion blocks are made of anti-corrosion wood or recombined bamboo or bamboo bundle laminated veneer,
in addition, the invention also discloses an application of the outdoor bamboo assembled double-spliced beam-column structure assembly, a plurality of outdoor bamboo assembled double-spliced beam-column structures are assembled, and a roof is added between main beams to form a roof body used as a parking roof, a publicity column, a bus station and a vestibule.
Preferably, the application scene of the outdoor bamboo assembled double-spliced beam column structure assembly can also be bamboo assembled wind and rain corridor bridges, outdoor exhibition halls, swimming pool sheds, hot spring sanatorium terraces, stadium sheds, park old activity centers, seaside beach camps and the like, and the assembled application scene meets the policy requirements of national green development, clean production, village vibration and the like, and has huge market prospect, ecological and social value.
Preferably, a shoulder beam is arranged between the upright posts of the two adjacent outdoor bamboo assembled double-spliced beam column structures, the shoulder beam is fixedly connected with the upright posts through T-shaped connecting pieces, and the two adjacent outdoor bamboo assembled double-spliced beam column structures are structurally connected with steel pipes for connecting the adjacent main beams.
In addition, the invention also discloses an assembling method of the outdoor bamboo assembled double-spliced beam-column structure, which is characterized by comprising the following steps:
s1, digging a pit according to a preset position, filling cement concrete and pre-burying an anchor hook prefabricated member;
s2, fixing the prefabricated member on the foot seat by using an expansion bolt and an anchor hook;
s3, fixing the first section of upright post on the foot seat, and then preliminarily and fixedly connecting the first section of upright post with the second section of upright post through a cross connecting steel sleeve connecting piece;
s4, primarily installing the lower diagonal brace between the first section of upright post and the foot seat;
s5, mounting and connecting the double-spliced girder:
s501, enabling the first section of girder to pass through a steel sleeve of the cross-shaped connecting steel sleeve connecting piece, and locking the first section of girder and the cross-shaped connecting steel sleeve connecting piece through bolts; then the end part of the first section of main beam is in traction connection with the two end parts of the upright post through a steel cable;
s502, sequentially connecting a first section of girder, a second section of girder and a third section of girder through I-shaped extension pieces to form girders, then installing an upper diagonal brace between a first section of upright post and the second section of girder, and then connecting the top of the upright post with the end part of the third section of girder through steel rope traction;
s6, checking whether the connection state among the upright post, the main beam, the foot seat, the upper inclined strut and the lower inclined strut can meet the stress requirement, carrying out fine adjustment on the connection between the upper inclined strut and the main beam, carrying out fine adjustment on the connection between the lower inclined strut and the foot seat, and completing the assembly of the outdoor bamboo assembled double-spliced beam column structure after the best state is reached.
Compared with the prior art, the invention has the following advantages:
1. the upright post, the main beam, the upper inclined strut, the lower inclined strut and the foot seat are all designed to be fully modularized standardized components, can be assembled and assembled on a construction site, have large-span variable cross sections, can be repeatedly disassembled and assembled, can be assembled quickly on site, can be installed on site, and are low in transportation cost, and the upright post and the main beam are all made of bamboo materials, are light in weight, have certain tension and can be stably connected through traction of steel ropes.
2. The gravity center of the assembled double-spliced beam column structure can be adjusted, and the aim of adjusting the gravity center of the beam column structure is achieved by adjusting the included angle between the upright post and the foot seat and the included angle between the upright post and the main beam through the upper inclined strut and the lower inclined strut. Meanwhile, the adjustment of assembly deviation in the assembly process is convenient, and the sectional installation is carried out, for example, the upright post and the main beam are assembled through a plurality of sections, so that the number of workers required in the assembly process is greatly reduced, and the inconvenience caused by excessively long parts is relieved. The assembled structure has the characteristics of simple construction, safety, high efficiency, no need of large equipment, good structural stability, attractive appearance, light weight, high strength, good durability, fashion, environmental protection and the like, can be popularized and applied, and has great economic value.
3. The beam column structure has the advantages of convenient packing of all parts, short disassembled components, small body blocks, light weight and suitability for long-distance transportation.
4. The I-shaped extension piece and the cross-shaped connection steel sleeve connecting piece are connected in an interpenetration mode, so that the connection is stable, the upright post and the main beam are convenient to process, and materials are saved.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic view of a beam column structure of the present invention.
Fig. 2 is a schematic view of the structure of an i-shaped extension of the present invention.
Fig. 3 is a schematic structural view of the cross-connecting steel sleeve connector of the present invention.
Fig. 4 is a schematic structural view of the foot stand of the present invention.
Fig. 5 is a schematic structural view of the T-connector of the present invention.
Fig. 6 is a schematic structural view of the post of the present invention.
FIG. 7 is a schematic layout of the spacer in the column of the present invention.
Fig. 8 is a side view of the post of the present invention.
Fig. 9 is a schematic layout structure of the cushion blocks in the first, second and third girders according to the present invention.
Fig. 10 is a schematic view of the structure of the outdoor temporary exhibition hall assembled by the beam-column structure of the invention.
FIG. 11 is a side view of a assembled parking shed of the beam-column structure of the present invention.
Reference numerals illustrate:
1-an upright post; 1-1 to a first section of upright post; 1-2-second season upright posts;
2-a main beam; 2-1 to a first section of main girder;
2-2 parts of a second section of main girder; 2-3 to a third section of main girder;
3-a foot stand; 3-1, a rotating seat; 3-2-upper diagonal bracing connectors;
3-2-1-sliding grooves; 3-2-limit grooves;
3-connecting seats; 3-4-substrate; 3-5-reinforcing plates;
3-6-a swivel connection;
4-a steel rope; 5-upper diagonal bracing;
6-I-shaped extension piece; 6-1, a first baffle; 6-2, a second baffle;
6-3-connecting plates 6-4-partition plates; 6-5—a first bolt hole;
6-a first bolt hole;
7-lower diagonal bracing; 8-upper diagonal bracing mounting seats;
9-cross connecting steel sleeve connecting pieces; 9-1, a steel sleeve; 9-2-lengthening plate;
9-3—a third bolt hole; 9-4 to fourth bolt holes; 10-anchor hook prefabricated parts;
11-shoulder beams; 12-T connectors; 12-1, a fixed plate;
12-2-lengthening plate; 13-ceiling; 14-steel pipe holes;
15-a steel pipe; 16-limit stop; 17-X type steel rope.
18-cushion blocks.
Detailed Description
Example 1
As shown in fig. 1 to 4, the outdoor bamboo assembled double-spliced girder column structure of this embodiment comprises a foot rest 3 fixed on the ground, a vertical column 1 arranged in a vertical inclined manner and a girder 2 arranged in a horizontal inclined manner, wherein the vertical column 1 and the girder 2 are made of bamboo, the structural forms of the vertical column 1 and the girder 2 are double-spliced structures, the bottom end of the vertical column 1 is fixedly connected with one end of the foot rest 3 in a rotating manner, the bottom end of the vertical column 1 is also connected with the other end of the foot rest 3 through an upper inclined strut 5, one end of the girder 2 is fixed with the top end of the vertical column 1 and is fixedly connected with the top end of the girder 2 through a lower inclined strut 7, both ends of the girder 2 are connected with the top end of the vertical column 1 through a steel cable 4 in a traction manner, and the bottom end of the vertical column 1 is connected with the horizontal inclined downward end of the girder 2 through the steel cable 4 in a traction manner.
The upright post 1, the main beam 2, the upper inclined strut 5, the lower inclined strut 7 and the foot seat 3 which are assembled into the double-spliced-beam structure are all designed into full-modularized standardized components, can be assembled and assembled on a construction site, have a large-span variable cross section, can be repeatedly disassembled and assembled, are rapid to assemble, can be installed on site, are low in transportation cost, are made of bamboo materials, are light in weight, have certain tension, and can be stably connected through traction of steel ropes. And the focus of assembled two beam column structures in this embodiment can be adjusted, adjusts the contained angle between stand and the foot stall through last bracing and lower bracing, and the contained angle between stand and the girder reaches the purpose of adjusting beam column structure focus.
In this embodiment, the front end of girder is provided with the bamboo cornice behind 8 mm.
In this embodiment, the main beam 2 includes a first section of main beam 2-1, a second section of main beam 2-2 and a third section of main beam 2-3 sequentially connected by an i-shaped extension member 6, the i-shaped extension member 6 includes a first baffle 6-1 and a second baffle 6-2, and a connecting plate 6-3 connecting the first baffle 6-1 and the second baffle 6-2, and a partition plate 6-4 crisscross arranged with the connecting plate 6-3 is arranged in the middle of the connecting plate 6-3; a plurality of first bolt holes 6-5 are correspondingly formed in the first baffle 6-1 and the second baffle 6-2, second bolt holes 6-6 are formed in the end parts of the connecting plate 6-3, which are positioned on two sides of the partition plate 6-4, and bolts are connected to the bolt holes in a threaded manner; the end parts of the first section of girder 2-1, the second section of girder 2-2 and the third section of girder 2-3 are provided with slots at the positions of the splicing fit with the connecting plates 6-3, and the first section of girder 2-1, the second section of girder 2-2 and the third section of girder 2-3 are fixed with the I-shaped extension piece 6 through bolts.
In this embodiment, as shown in fig. 1, 6, 7 and 8, the upright 1 is connected to a first section of upright 1-1 and a second section of upright 1-2 by a cross-joint steel sleeve connector 9, and the bottom end of the first section of upright 1-1 is rotatably connected to the foot stand 3 by a rotating member 7; the cross connecting steel sleeve connecting piece 9 comprises a steel sleeve 9-1 capable of penetrating through the first section of main beam 2-1 and an extension plate 9-2 arranged on one side of the steel sleeve 9-1, a third bolt hole 9-3 is formed in the steel sleeve 9-1, a fourth bolt hole 9-4 is formed in the extension plate 9-2, a containing groove matched with the shape of the steel sleeve 9-1 and used for containing the steel sleeve 9-1 is formed in one end face of the first section of main beam 1-1, a splicing groove used for splicing the extension plate 9-2 is formed in the second section of main beam 1-2, the cross connecting steel sleeve connecting piece 9 is fixed with the second section of main beam 1-1 through bolts, and the cross connecting steel sleeve connecting piece 9 is fixedly connected with the first section of main beam 1-1 and the first section of main beam 2-1 through bolts.
In order to be convenient for in the assembly process to the regulation of assembly deviation in this embodiment, carry out the segmentation installation, like stand and girder are assembled through several sections, also significantly reduce the required workman's quantity in the assembly process, alleviate the inconvenient problem that the too much overlength leads to of part. The components of the embodiment are convenient to package, and the disassembled components are short, small in size and light in weight, so that the device is suitable for long-distance transportation.
As shown in fig. 4, in this embodiment, the footstand 3 includes a base plate 3-4, a rotating base 3-1 mounted on the base plate 3-4, a lower diagonal bracing connecting piece 3-2 and a connecting base 3-3, a plurality of anchor hook prefabricated members 10 are disposed at the bottom of the base plate 3-4, the connecting base 3-3 is disposed between the rotating base 3-1 and the lower diagonal bracing connecting piece 3-2, the rotating base 3-1 is rotatably connected with a rotating connecting piece 3-6 through a steel pipe, a chute 3-2-1 for adjusting the diagonal bracing angle of the lower diagonal bracing 7 is formed on the lower diagonal bracing connecting piece 3-2, and a plurality of limiting grooves 3-2-2 are sequentially formed on the inner bottom wall of the chute.
In this embodiment, the reinforcing plate 3-5 is disposed between the two sides of the rotating seat 3-1, the upper diagonal bracing connecting piece 3-2 and the connecting seat 3-3 and the base plate 3-4, and the reinforcing plate 3-5 has a reinforcing effect.
As shown in fig. 1, in this embodiment, an upper diagonal bracing mounting seat 8 is fixedly mounted on the main beam 1, a sliding groove is formed in the upper diagonal bracing mounting seat 8, upper diagonal bracing connecting holes are formed in both ends of the upper diagonal bracing 5, one end of the upper diagonal bracing 5 sequentially penetrates through bolts to be formed in the sliding groove of the upper diagonal bracing connecting holes and is fixedly connected with the main beam in a sliding manner, an upper diagonal bracing mounting hole is formed in the upright post 2, and the other end of the upper diagonal bracing 5 penetrates through bolts to be fixedly connected with the upright post 2 in a rotating manner.
In this embodiment, the main beam 2 has an arc plate structure, and the upright post 1 has a plate structure; the upright post 1 and the main beam 2 comprise two clamping sheet plates and cushion blocks clamped between the two clamping sheet plates, the clamping sheet plates are coated with durable paint, the clamping sheet plates are made of recombined bamboo or bamboo bundles/wood laminated veneer lumber, the cushion blocks are made of anti-corrosion wood or recombined bamboo or bamboo bundles laminated veneer lumber, the layout positions of the cushion blocks in the main beam 2 are shown in fig. 9, and the layout positions of the cushion blocks in the upright post 1 are shown in fig. 7 and 8.
In this embodiment, the processing procedure of the main beam is as follows:
(1) The main beam 2 is divided into a first main beam 2-1, a first main beam 2-2 and a first main beam 2-3, and the first main beam 2, the first main beam and the first main beam are sequentially lengthened by adopting an I-shaped extension piece 6; the I-shaped extension piece 6 is made of Q235B metal or stainless steel with the thickness of 3-5 mm;
(2) The clamping sheet material of the main beam is recombined bamboo or bamboo bundle/wood laminated veneer lumber (BLVL) with the thickness of 8-20mm, and durable paint is sprayed on the two sides;
(3) Adopting a multi-head CNC numerical control engraving machine tool or a wire saw to process the curved surface section of the girder, wherein the fineness (section height) of the girder from the first section of the tail to the third section of the front end is gradually smaller, the tail is horizontally downward, the front end is horizontally upward, the gravity center is beneficial to being close to the upright column, and the integral stability of the girder column structure is maintained;
(4) Adopting a numerical control multi-row drilling machine or a planer type milling machine to process the hole site on the double-spliced girder cushion block, inputting the diameter of the hole site and the position of the hole, and enabling the aperture to be 6-20mm;
(5) And (3) cushion block processing: the manufacturing method comprises the steps of manufacturing the laminated veneer lumber by utilizing anti-corrosion wood or recombined bamboo or bamboo bundles, wherein the thickness of a cushion block is 40-60mm, and the height and the width are the sizes of a main beam clamping sheet material; preferentially, the anti-corrosion wood with lighter weight is adopted, for example, when the recombined bamboo is used for splicing thickness, the grain directions of different plates are vertical, so that the splitting resistance of the material is improved; and a slot with the thickness of 3-5mm and the length of 50-100mm is formed at the position of the cushion block which needs to be longitudinally lengthened and is used for inserting the subsequent I-shaped extension piece 6.
(6) And (3) connection of main beams: clamping the bamboo engineering material clamping sheet materials of the two processed main beams, the cushion blocks and the I-shaped metal connecting pieces on an assembly die according to drawing hole positions, brushing cold-pressed resorcinol resin or other outdoor adhesives such as modified polyvinyl acetate resin FNP-300 between the cushion blocks and the bamboo clamping sheet materials, between the metal connecting pieces and the slots, and fixing by countersunk bolts through locking by round-head bolts with the length of 80-150mm and the diameter of 6-20mm and connecting and locking by the gaskets.
In this embodiment, the processing procedure of the upright post is as follows:
(1) Composition of the column: the upright posts consist of a first section of upright posts and a second section of upright posts, and each section is connected by adopting a cross connection steel sleeve connecting piece 9; the cross connection steel sleeve connecting piece 9 is made of Q235B metal or stainless steel with the thickness of 3-6 mm;
(2) Clip sheet material: 4 pieces of clamping sheet materials for processing the double-spliced upright posts are recombined bamboo or bamboo bundles/wood laminated veneer lumber (BLVL) with the thickness of 20-40 mm;
(3) The processing mode is as follows: the input CAD drawing size of the upright post is processed by adopting a multi-head CNC numerical control engraving machine tool or a wire saw, the fineness (section height) of the upright post clamping sheet material from the lower section to the upper section is gradually smaller, the downward approach of the center of gravity is facilitated, and the beam-column structure is more stable;
(4) Hole site setting: adopting a numerical control multi-row drilling machine or a planer type milling machine to process hole positions on a cushion block of the upright post column, inputting hole position diameters and hole positions, and enabling the hole diameters to be 6-20mm;
(5) And (3) cushion block processing: the method is characterized in that the method comprises the steps of manufacturing by utilizing anti-corrosion wood or recombined bamboo or bamboo bundle laminated veneers, wherein the thickness of a cushion block is 40-60mm, and the height and the width are the dimensions of a stand column clamping sheet material; the anti-corrosion wood with lighter weight is preferably adopted, for example, when the recombined bamboo is used for splicing thickness, the grain directions of different plates are vertical, and the splitting resistance of the material is increased. A plug-in groove with the thickness of 3-5mm and the length of 50-100mm is formed at the position of a cushion block which needs to be longitudinally lengthened and is used for connecting and inserting the cross connection steel sleeve connecting piece 9; and hole sites with the depth of 30-80 mm and the length of 6-18mm are punched at the position of the prefabricated zipper.
(6) And (3) connection of the stand columns: clamping the four stand columns on an assembly die by using bamboo engineering material clamping sheet materials and cushion blocks according to hole positions, brushing other outdoor adhesives such as cold-pressed resorcinol resin or modified polyvinyl acetate resin FNP-300 between the cushion blocks and the bamboo clamping sheet materials and between a cross connection steel sleeve connecting piece 9 and a splicing groove, and fixing by using countersunk bolts through round head bolt locking and gasket connection locking with the length of 80-150mm and the diameter of 6-20 mm.
In this embodiment, the upper diagonal bracing 5 and the lower diagonal bracing 7 are both plate-shaped structures, the upper diagonal bracing 5 and the lower diagonal bracing 7 are all installed by CNC numerical control engraving machine tools or wire saw processing, and the upper diagonal bracing 5 and the lower diagonal bracing 7 are fixed with the upright column 1, the main beam 2 and the foot seats 3 through bolts with diameters of 6-10 mm. The upper diagonal bracing is arranged between the upright post 1 and the main beam 2, and the lower diagonal bracing is arranged between the upright post 1 and the foot seat 3, so as to play roles of fixing and auxiliary supporting.
The upright post, the main beam, the upper inclined strut, the lower inclined strut and the foot seat of the assembled double-spliced-beam structure are all designed to be fully modularized standardized components, can be assembled and assembled on a construction site, have a large-span variable cross section, can be repeatedly disassembled and assembled, are rapid to assemble, can be installed on site, are low in transportation cost, are made of bamboo materials, are light in weight, have certain tension, and can be stably connected by traction of steel ropes. And the focus of assembled two beam column structures in this embodiment can be adjusted, adjusts the contained angle between stand and the foot stall through last bracing and lower bracing, and the contained angle between stand and the girder reaches the purpose of adjusting beam column structure focus. Meanwhile, the adjustment of assembly deviation in the assembly process is convenient, sectional installation is carried out, and if the upright post and the main beam are assembled through a plurality of sections, the number of workers required in the assembly process is greatly reduced, and the inconvenience caused by too heavy and too long parts is relieved. The assembled structure has the characteristics of simple construction, safety, high efficiency, no need of large equipment, good structural stability, attractive appearance, light weight, high strength, good durability, fashion, environmental protection and the like, can be popularized and applied, and has great economic value. The components of the embodiment are convenient to package, and the disassembled components are short, small in size and light in weight, so that the device is suitable for long-distance transportation.
The I-shaped extension piece and the cross-shaped connection steel sleeve connecting piece are connected in an interpenetration mode, so that the connection is stable, the upright post and the main beam are convenient to process, and materials are saved.
Example 2
The bamboo engineering material has excellent mechanical property and durability, combines the structural characteristics of good stability, light weight and high strength of the main beams and the stand columns, can fully show the mechanical structure with large span and curved section through the ingenious design of the standard metal connecting piece, and is suitable for the development and application of outdoor multi-scene assembled bamboo structure buildings.
The outdoor bamboo assembled double-spliced beam column structures in the embodiment 1 are spliced together side by side, a shoulder beam 11 is arranged between the upright columns 1 of the two adjacent outdoor bamboo assembled double-spliced beam column structures, the shoulder beam 11 and the upright columns 1 are fixedly connected through a T-shaped connecting piece 12, as shown in fig. 5, the T-shaped connecting piece 12 comprises a fixed plate 12-1 and an extension plate 12-2, and the extension plate 12-2 is fixedly spliced with the shoulder beam; two adjacent outdoor bamboo assembled double-spliced beam column structures are connected with steel pipes 15 for connecting adjacent girders, can form a shed body for parking, publicity columns and buses, and can also be combined together to form a court corridor or an outdoor temporary exhibition hall as shown in fig. 6 by arranging two rows of oppositely arranged shed bodies. The shed body can keep out wind, keep out rain, prevent sun and the like, and can be used for selecting the number of assembled outdoor bamboo assembled double-spliced beam-column structures according to actual practice.
In the embodiment, the shoulder beam is a recombined bamboo or bamboo bundle/wood laminated veneer lumber with the thickness of 30-60mm, and the installation width of the T-shaped connecting piece is 120-300mm.
Two outdoor bamboo assembled double-spliced beam column structures can be assembled into a canopy body of a propaganda column, and then a propaganda board is arranged between two side-by-side upright columns;
as shown in fig. 7, a plurality of outdoor bamboo assembled double-spliced beam-column structures can be assembled into a parking shed, a limit stop 16 is arranged in the parking shed, and two adjacent upright posts 1 are connected through an X-shaped stainless steel cable 17, so that the outdoor bamboo assembled double-spliced beam-column structures can be firmly connected together to form a stable parking shed.
Example 3
The assembly method of the outdoor bamboo assembled double-spliced beam column structure on the construction site comprises the following steps:
s1, digging a pit according to a preset position, filling cement concrete and pre-burying an anchor hook prefabricated member 10;
s2, fixing the prefabricated member 10 on the foot seat 3 by using an expansion bolt;
s3, fixing the first section of upright post on a foot seat, and then preliminarily and fixedly connecting the first section of upright post 1-1 with the second section of upright post 1-2 through a cross connecting steel sleeve connecting piece 9;
s4, preliminarily installing the lower diagonal brace 7 between the first section of upright post 1-1 and the foot seat 3;
s5, mounting and connecting the double-spliced girder:
s501, enabling the first section of girder 2-1 to pass through the steel sleeve 9-1 of the cross connecting steel sleeve connecting piece 9, and locking the first section of girder 2-1 and the cross connecting steel sleeve connecting piece 9 through bolts; then the end part of the first section of girder 2-1 is connected with the two end parts of the upright column 1 in a traction way through a steel rope 4;
s502, sequentially connecting a first section of girder 2-1, a second section of girder 2-2 and a third section of girder 2-3 through an I-shaped extension piece 6 to form girders, then installing an upper diagonal brace 5 between the first section of upright 1-1 and the second section of girder 2-2, and then connecting the top of the upright 1 with the end part of the third section of girder 2-3 in a traction way through a steel cable 4;
s6, checking whether the connection state among the upright post 1, the main beam 2, the foot seat 3, the upper inclined strut 5 and the lower inclined strut 7 can meet the stress requirement, carrying out fine adjustment on the connection between the upper inclined strut 5 and the main beam 2, carrying out fine adjustment on the connection between the lower inclined strut 7 and the foot seat 3, and completing the assembly of an outdoor bamboo assembled double-spliced beam column structure after reaching the optimal state.
S7, if a plurality of bamboo assembled double-spliced beam column structures are assembled into a parking shed, shoulder beams are fixedly installed between two adjacent upright posts through T-shaped connectors, an X-shaped stainless steel cable is assembled to be drawn and tensioned, steel pipes are arranged between the adjacent main beams 2, the color steel tiles, sunlight plates, endurance plates or tensioning films and other materials are adopted for processing the ceiling, the ceiling is fixed through side strips or tensioning equipment, and finally limit stops are arranged in the shed.
The on-site assembly method has the characteristics of simple construction, safety, high efficiency, no need of large equipment, good structural stability, attractive appearance, light weight, high strength, good durability, fashion, environmental protection and the like, can be widely applied, and has great economic value.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention. Any simple modification, variation and equivalent variation of the above embodiments according to the technical substance of the invention still fall within the scope of the technical solution of the invention.
Claims (8)
1. The utility model provides an outdoor bamboo assembled double-spliced beam column structure which is characterized in that, including fixing at subaerial footstand (3), upright slope setting's stand (1) and horizontal slope setting's girder (2), the material of stand (1) and girder (2) is the bamboo, the structural style of stand (1) and girder (2) is double-spliced structure, the bottom of stand (1) rotates fixed connection with the one end of footstand (3), the bottom of stand (1) still through last bracing (5) with the other end of footstand (3) is connected, the one end of girder (2) is fixed with the top of stand (1) to through lower bracing (7) fixed connection, the both ends of girder (2) all are connected through cable wire (4) traction with the top of stand (1), the bottom of stand (1) with the one end of girder (2) that inclines downwards horizontally is through cable wire (4) traction connection; the upright post (1) is formed by lengthening a plurality of sections of upright posts, and the main beam (2) is formed by lengthening a plurality of sections of main beams.
2. An outdoor bamboo assembled double-spliced girder structure according to claim 1, wherein the girder (2) comprises a first girder (2-1), a second girder (2-2) and a third girder (2-3) which are sequentially connected through an I-shaped extension piece (6), the I-shaped extension piece (6) comprises a first baffle (6-1) and a second baffle (6-2), and a connecting plate (6-3) for connecting the first baffle (6-1) and the second baffle (6-2), and a partition plate (6-4) which is crisscrossed with the connecting plate (6-3) is arranged in the middle of the connecting plate (6-3); a plurality of first bolt holes (6-5) are correspondingly formed in the first baffle (6-1) and the second baffle (6-2), second bolt holes (6-6) are formed in the end parts of the connecting plates (6-3) located on two sides of the partition plate (6-4), and bolts are connected to the bolt holes in a threaded mode; the ends of the first section of main beam (2-1), the second section of main beam (2-2) and the third section of main beam (2-3) are provided with slots at the positions which are in plug-in fit with the connecting plates (6-3), and the first section of main beam (2-1), the second section of main beam (2-2) and the third section of main beam (2-3) are fixed with the I-shaped extension piece (6) through bolts;
the stand column (1) is connected with a first stand column (1-1) and a second stand column (1-2) through a cross connection steel sleeve connecting piece (9), and the bottom end of the first stand column (1-1) is rotationally connected with the foot seat (3) through a rotating piece; the cross-shaped connecting steel sleeve connecting piece (9) comprises a steel sleeve (9-1) capable of penetrating through a first section of main beam (2-1) and an extension plate (9-2) arranged on one side of the steel sleeve (9-1), a third bolt hole (9-3) is formed in the steel sleeve (9-1), a fourth bolt hole (9-4) is formed in the extension plate (9-2), a containing groove matched with the shape of the steel sleeve (9-1) and used for containing the steel sleeve (9-1) is formed in one end face of the first section of main beam (1-1), a splicing groove used for splicing the extension plate (9-2) is formed in the second section of main beam (1-2), the cross-shaped connecting steel sleeve connecting piece (9) is fixed with the second section of main beam (2-1) through bolts, and the cross-shaped connecting steel sleeve connecting piece (9) is fixedly connected with the first section of main beam (1-1) and the second section of main beam (2-1).
3. The outdoor bamboo assembled double-spliced beam column structure according to claim 1, wherein the footstand (3) comprises a base plate (3-4) and a rotating seat (3-1), a lower inclined strut connecting piece (3-2) and a connecting seat (3-3) which are arranged on the base plate (3-4), a plurality of anchor hook prefabricated pieces (10) are arranged at the bottom of the base plate (3-4), the connecting seat (3-3) is arranged between the rotating seat (3-1) and the lower inclined strut connecting piece (3-2), the rotating seat (3-1) is connected with a rotating connecting piece (3-6) through a steel pipe in a rotating mode, a sliding groove (3-2-1) for adjusting an inclined strut angle of a lower inclined strut (7) is formed in the lower inclined strut connecting piece (3-2), and a plurality of limiting grooves (3-2-2) are formed in sequence in the inner bottom wall of the sliding groove.
4. An outdoor bamboo assembled double-spliced beam column structure according to claim 3, wherein reinforcing plates (3-5) are arranged between the two sides of the rotating seat (3-1), the lower diagonal bracing connecting piece (3-2) and the connecting seat (3-3) and the base plate (3-4).
5. The outdoor bamboo assembled double-spliced beam column structure according to claim 1, wherein an upper diagonal bracing installation seat (8) is fixedly installed on the main beam (2), a sliding groove is formed in the upper diagonal bracing installation seat (8), the upper diagonal bracing connection holes are formed in two ends of the upper diagonal bracing (5), one end of the upper diagonal bracing (5) sequentially penetrates through the sliding groove formed in the upper diagonal bracing connection holes through bolts to be fixedly connected with the main beam in a sliding mode, an upper diagonal bracing installation hole is formed in the upright column (1), and the other end of the upper diagonal bracing (5) penetrates through the upper diagonal bracing installation hole and the upper diagonal bracing connection holes through bolts to be fixedly connected with the upright column (1) in a rotating mode.
6. An outdoor bamboo assembled double-spliced girder structure according to claim 1, wherein the main girder (2) is of an arc-shaped plate structure, and the upright post (1) is of a plate structure; the upright post (1) and the main beam (2) comprise two clamping sheet plates and a cushion block clamped between the two clamping sheet plates, durable wood wax oil or paint is sprayed on the clamping sheet plates, the clamping sheet plates are made of recombined bamboo or bamboo bundles/wood laminated veneer lumber, and the cushion block is made of anti-corrosion wood or recombined bamboo or bamboo bundles laminated veneer lumber.
7. Use of an outdoor bamboo assembled double-spliced beam-column structure according to any one of claims 1-6, characterized in that a plurality of outdoor bamboo assembled double-spliced beam-column structures are assembled and a ceiling (13) is added between adjacent main beams to form a shed body used as a parking shed, a publicity column, a bus stop and a vestibule;
a shoulder beam (11) is arranged between the upright posts (1) of the two adjacent outdoor bamboo assembled double-spliced beam-column structures, the shoulder beam (11) is fixedly connected with the upright posts (1) through T-shaped connecting pieces (12), and steel pipes (15) used for connecting adjacent main beams are structurally connected with the two adjacent outdoor bamboo assembled double-spliced beam-column structures.
8. A method of assembling an outdoor bamboo fabricated double-spliced beam column structure according to any one of claims 2 to 6, comprising the steps of:
s1, digging a pit according to a preset position, filling cement concrete and pre-burying an anchor hook prefabricated member (10);
s2, fixing the prefabricated member (10) on the foot seat (3) by using an expansion bolt and an anchor hook;
s3, fixing the first section of upright post on a foot seat, and then preliminarily and fixedly connecting the first section of upright post (1-1) with the second section of upright post (1-2) through a cross connecting steel sleeve connecting piece (9);
s4, preliminarily installing the lower diagonal brace (7) between the first section of upright post (1-1) and the foot seat (3);
s5, mounting and connecting the double-spliced girder:
s501, enabling the first section of main beam (2-1) to penetrate through a steel sleeve (9-1) of the cross connecting steel sleeve connecting piece (9), and locking the first section of main beam (2-1) and the cross connecting steel sleeve connecting piece (9) through bolts; then, the end part of the first section of main beam (2-1) is connected with the two end parts of the upright post (1) in a traction way through a steel cable (4);
s502, sequentially connecting a first section of girder (2-1), a second section of girder (2-2) and a third section of girder (2-3) through an I-shaped extension piece (6) to form girders, then installing an upper diagonal brace (5) between the first section of upright post (1-1) and the second section of girder (2-2), and then connecting the top of the upright post (1) with the end part of the third section of girder (2-3) in a traction way through a steel cable (4);
s6, checking whether the connection state among the upright post (1), the main beam (2), the foot seat (3), the upper diagonal brace (5) and the lower diagonal brace (7) can meet the stress requirement, fine-tuning the connection between the upper diagonal brace (5) and the main beam (2), fine-tuning the connection between the lower diagonal brace (7) and the foot seat (3), and after the best state is reached, completing the assembly of the outdoor bamboo assembled double-spliced beam column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600545.0A CN109457805B (en) | 2018-12-26 | 2018-12-26 | Outdoor bamboo assembled double-spliced beam-column structure and assembling method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811600545.0A CN109457805B (en) | 2018-12-26 | 2018-12-26 | Outdoor bamboo assembled double-spliced beam-column structure and assembling method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109457805A CN109457805A (en) | 2019-03-12 |
| CN109457805B true CN109457805B (en) | 2023-09-12 |
Family
ID=65615247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811600545.0A Active CN109457805B (en) | 2018-12-26 | 2018-12-26 | Outdoor bamboo assembled double-spliced beam-column structure and assembling method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109457805B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819601A (en) * | 1956-11-20 | 1959-09-09 | Nemaho Nv | Improvements in or relating to beam joints |
| JPH10292490A (en) * | 1997-04-17 | 1998-11-04 | Yokohama Rubber Co Ltd:The | Reinforcing structure for wooden house |
| CN105235026A (en) * | 2015-09-18 | 2016-01-13 | 国际竹藤中心 | Method for manufacturing fiber bamboo bunch veneer composite board coupled beam |
| CN107327077A (en) * | 2016-04-30 | 2017-11-07 | 中国林业科学研究院木材工业研究所 | A kind of concealed metalwork spreading Recombined bamboo beam and its manufacture method |
| CN108396866A (en) * | 2018-03-07 | 2018-08-14 | 王昆 | Connecting node and construction method between a kind of upper and lower column of rectangle |
| CN108547379A (en) * | 2018-04-17 | 2018-09-18 | 西京学院 | A kind of assembled steel timber structure connecting node |
| CN108590025A (en) * | 2018-04-28 | 2018-09-28 | 国际竹藤中心 | A kind of bamboo matter green prefabricated buildings and its method of construction |
| CN209277286U (en) * | 2018-12-26 | 2019-08-20 | 国际竹藤中心 | A kind of open air bamboo matter assembled Two bors d's oeuveres beam column construction |
-
2018
- 2018-12-26 CN CN201811600545.0A patent/CN109457805B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819601A (en) * | 1956-11-20 | 1959-09-09 | Nemaho Nv | Improvements in or relating to beam joints |
| JPH10292490A (en) * | 1997-04-17 | 1998-11-04 | Yokohama Rubber Co Ltd:The | Reinforcing structure for wooden house |
| CN105235026A (en) * | 2015-09-18 | 2016-01-13 | 国际竹藤中心 | Method for manufacturing fiber bamboo bunch veneer composite board coupled beam |
| CN107327077A (en) * | 2016-04-30 | 2017-11-07 | 中国林业科学研究院木材工业研究所 | A kind of concealed metalwork spreading Recombined bamboo beam and its manufacture method |
| CN108396866A (en) * | 2018-03-07 | 2018-08-14 | 王昆 | Connecting node and construction method between a kind of upper and lower column of rectangle |
| CN108547379A (en) * | 2018-04-17 | 2018-09-18 | 西京学院 | A kind of assembled steel timber structure connecting node |
| CN108590025A (en) * | 2018-04-28 | 2018-09-28 | 国际竹藤中心 | A kind of bamboo matter green prefabricated buildings and its method of construction |
| CN209277286U (en) * | 2018-12-26 | 2019-08-20 | 国际竹藤中心 | A kind of open air bamboo matter assembled Two bors d's oeuveres beam column construction |
Non-Patent Citations (1)
| Title |
|---|
| 柔性抗震的重竹结构建筑研究分析;张忠良;;四川水泥(08);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109457805A (en) | 2019-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106149880B (en) | Adopt equipment room of new construction system | |
| Brookes et al. | The building envelope: applications of new technology cladding | |
| US8959849B1 (en) | Light steel frame structure for deck | |
| CN209277286U (en) | A kind of open air bamboo matter assembled Two bors d's oeuveres beam column construction | |
| CN202831672U (en) | Detachable movable building with outer frame type composite frame structure | |
| AU2007330481A1 (en) | Modular building for deployment in disaster regions | |
| CN109457805B (en) | Outdoor bamboo assembled double-spliced beam-column structure and assembling method and application thereof | |
| Natterer | New technologies for engineered timber structures | |
| CN103866862A (en) | Foundation-free suspension type multifunctional detachable combined wooden house | |
| CN109339487B (en) | Quickly-built wooden house and building method thereof | |
| CN110725489A (en) | Wood structure assembly type stair for pseudo-classic architecture and assembly method thereof | |
| CN209339322U (en) | A kind of open air bamboo matter assembled Two bors d's oeuveres beam column construction pedestal | |
| AU2021100997A4 (en) | Outdoor Bamboo Assembly Type Double-Spliced Beam Column Structure and Assembly Method and Application Thereof | |
| WO2010142032A1 (en) | Modular construction system | |
| DE4335237A1 (en) | System of building blocks made from scrap plastics - consists of seven different shapes, all of same injection moulded material and designed to be combined as required into suitable assemblies. | |
| CN108643604B (en) | Pin-connected panel standard stair based on deep basal pit | |
| CN210151911U (en) | Prefabricated light house | |
| WO2012168750A1 (en) | Tree house assembly | |
| Dai et al. | Century-old covered bridge with cantilever beams in China | |
| CN216108978U (en) | Assembled building structure system of circle bamboo-bamboo recombined material combination | |
| CN211851057U (en) | Landscape corridor frame | |
| CN216553143U (en) | Disk buckle type safety protection shed | |
| CN114941464B (en) | Wood structure workshop structure planted with modern multifunctional box and construction method thereof | |
| CN216196071U (en) | Cornice device for roof of antique building | |
| CN216341215U (en) | Prefabricated concatenation formula people's residence of modularization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |