WO2019237164A1 - Sistema de módulos componíveis estruturais interconectáveis - Google Patents
Sistema de módulos componíveis estruturais interconectáveis Download PDFInfo
- Publication number
- WO2019237164A1 WO2019237164A1 PCT/BR2018/050192 BR2018050192W WO2019237164A1 WO 2019237164 A1 WO2019237164 A1 WO 2019237164A1 BR 2018050192 W BR2018050192 W BR 2018050192W WO 2019237164 A1 WO2019237164 A1 WO 2019237164A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- modules
- support
- interconnectable
- holes
- further characterized
- Prior art date
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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- 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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/08—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of metal, e.g. sheet metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
Definitions
- the invention relates to a system of interconnectable structural composable modules, intended for the technological sector of the building industry, covered with extremely unique and peculiar technical characteristics.
- the present invention seeks to design a system of interconnectable structural composable modules, aiming to facilitate the composition of structures by interconnecting the composable modules, in order to generate compatible structures usable in civil construction;
- the use of interconnected components makes it easier to assemble the structures, with greater design versatility, both in the generation of horizontal and three-dimensional structures; as well as facilitating the enlargement or reduction of the structure without damaging the rigidity of the structure; It also enables the identification and reinforcement of parts of the structure in case of overload or damage, facilitating the maintenance of the structure and guaranteeing its integrity;
- it ensures greater transportability of the components to the structure generation site, eliminating more robust cranes; as well as faster assembly and disassembly if required.
- GB2168731 entitled “WALL PANEL STRUCTURE” which describes a panel that can be formed to generate internal or external walls of a building structure, consisting of metal plates and cladding of insulating materials. finishing surfaces.
- Such panels do not have characteristics to guarantee greater resistance to the building structure, serving only for coating and insulation; as well as, once installed, they are difficult to remove without damage to the modules, making it difficult to expand or reduce the structure; as well as the reuse of its components for assembly in other places.
- steel frame which are composed of a set of interconnected metal profiles that allow the generation of structural sets for the formation of the building structure, but which do not have the coating function and shall be covered by thermo-acoustic insulating materials and internal and external finishing surfaces.
- the pre-sized structured modules are difficult to remove for installation in other locations without damage to said structured modules, making it difficult to reuse them in other locations.
- PI1102834-3 although it is a set of interconnected elements, refer to the generation of internal and non-structural wall structures, requiring a structure to be designed to be positioned inside, which is very different from the proposed concept.
- the composable elements even allow the placement of internal piping for electrical, plumbing, gas and information technology, allowing the placement and removal of elements for expansion or reduction of the structure, which are coupled with each other, but the interconnection between such elements is slippage, which does not guarantee a sturdy crevice between the modules, which confirms the coating character of the concept, and not structural, as proposed in the present patent application.
- the present invention aims to characterize a system of interconnectable structural composable modules that will allow the generation of structures by interconnecting the juxtapositioned modular elements in order to configure beams, sleepers, columns, roof structures and the like. , without the need to use large equipment for transportation and assembly; as well as, it will allow the installation of ducts for the electric and hydraulic network without affecting the structural rigidity and the aesthetics of the assembly; making it possible to disassemble and reinstall it quickly without damaging the new structure; It also allows repair or structural reinforcement if necessary.
- modules with greater lightness allowing better conditions of transportability and ease of assembly, eliminating large cranes, translating in lower cost and agility in the generation of structures, which can be more complex and on more than one plane simultaneously; allows the use of ducts for the electrical, hydraulic, gas or data transfer networks without affecting the strength of the structure; Modules of specific format are presented for each need of the structure; have standard formats that allow their interchangeability; besides dispensing tools and skilled labor, eliminating even rework for assembly errors; enables corrective, preventive and detective maintenance; can adopt load sensors (not shown) on the tensioning elements (18) allowing a prior assessment of the state of the structure and the measures to be adopted, and may even dispense with a professional to the site in many cases, since Data can be collected remotely via cellular or wifi signal; As the modules are strictly standardized and there is no deterioration or damage to their assembly or disassembly, in case of reduced structure dimensions or partial or
- tensioning elements (18) may be anchored to existing modules or to composable modules which shall be positioned in the existing structure; in the construction or maintenance of storage silos, the The use of containment shoes (20) enables structural reinforcements to be made to the structure of the silos under construction, or even to existing silos where no disassembly of the structure in use is required; telescopic frame tensioning elements (18) serve to generate vector components in certain parts of the structure in order to increase the structural stiffness thereof, and may be added to an existing structure as required, for example by identifying loads added to the structure by use, identifying strong winds at the installation site, or detective, predictive or corrective maintenance, among other situations.
- Fig. 1 is a perspective view of the intermediate module (2) provided with interconnecting side holes (1A), internal diagram reinforcing elements (1 C) and transverse holes (1 D);
- Figure 2 shows a perspective view of the module. (3), which has a centralized element (3A) composed of half horizontal rod (3B) and half vertical rod (3C), coinciding with the lateral holes (3D) and complemented by the diagonal internal reinforcing elements (1 ⁇ );
- Figure 3 is a perspective view of the terminal module (4)
- Fig. 4 is a perspective view of the aperture support module (5);
- FIG. 5 is a perspective view of the extender module (6)
- Figure 6 is a perspective view of the upper terminal (7)
- Fig. 7 is a perspective view of the end bearing support (8)
- Figure 8 is a perspective view of the horizontal crossbar support (9);
- Figure 9 is a perspective view of the Tuesday support (10);
- Figure 10 is a perspective view of the wall support (11);
- Fig. 11 is a perspective view of the beam lock (12);
- Figure 12 shows a perspective view of the general connector (13);
- Figure 13 is a perspective view of the column joining angle (14);
- Figure 14 is a perspective view of the diagonal and gable joining triangle (15);
- Fig. 15 is a perspective view of the corner locking plate (16);
- Figure 16 is a perspective view of the middle locking plate (17);
- Figure 17 is a perspective view of the telescopic frame tensioner (18);
- Figure 18 is a perspective view of the inclined scissor support (19);
- Fig. 19 is a perspective view of a configurative variant of the composable modules comprising a wire rope holding shoe (20) composed of a rectangular base (20A) provided with low relief rounded transverse channels (20B);
- Figure 20 is a perspective view of a containment shoe (20) installed in a storage silo-like structure with the wire rope attached to one of the channels (20B);
- Figure 21 shows a side view of a structure composed by the integrated component assembly (1), showing the use of intermediate modules (2), terminal modules.
- telescopic tensioners (18), used to neutralize existing loads in the structure are anchored in the supports of joining and gable triangles (15), or in the general connectors (13), with the complementation of the roof. for example with the support of support of the tips (8) which are adjustable to absorb any dimensional discrepancy that may arise in the assembly of the structure;
- Fig. 22 is a partial perspective view of a structure composed by the proposed system, showing the telescopic tensioner (18) positioned to neutralize the loads that may exist on the roof, supported by the beam formed by the intermediate modules ( 2), properly supported by the column, which is also composed of the same models of modules properly grouped and interconnected by screws (1 B) to ensure the integrity of the structure;
- Figure 23 shows a partial perspective view of the structure, showing in detail the junction of the tensioner (18) with the general connector (13), allowing a quick repositioning of the telescopic tensioner (18) in order to adjust to possible modifications of the loads involved; as well as presence of the extender (6) that allows better adjustment of the structure sizing and absorption of mounting discrepancies; besides the support of Tuesday (10) at the top;
- FIG. 24 is a partial perspective view of a structure showing the positioning of the telescopic tensioner (18) which has its upper end anchored to the scissors by the general connector (13) and its lower end to the junction the column and beam through the diagonal and gable union triangle (15); whereas both the union with the connector (13) and the diagonal union triangle (15) are subject to angular variation for better positioning of the assembly in order to neutralize the existing loads in the structure;
- 25 is a detailed perspective view of the previous figure showing the junction of the end of the tensioner (18) with the union triangle (15), clearly showing that it is subject to variation. angular for better positioning of the set; as well as, it appears that the loads coming from the scissors that pass through the tensioner (18) are evenly distributed to the junction between the column and the beam involved by the presence of the diagonal union triangle (15), ensuring a better distribution of the acting forces without structure overload;
- Fig. 26 is a perspective view of a structure where the tensioner (18) is anchored to the adjacent columns for a better distribution of the loads on the roof shears, showing that the tensioner (18) is interconnecting the columns via general connectors (13); as well as below the beams are columns of opening support modules (5);
- Fig. 27 is a perspective view of a column made up of pipe passage modules (3) provided with elements (3A) which enable the passage of pipes in general;
- Fig. 28 is a partial perspective view of the structure showing in the foreground a column of intermediate modules (2) provided with upper end supports (7) where the terminal modules of the tips (4) belonging to the scissors are interconnected. one of them shows the connection of a telescopic frame tensioner (18) through a general connector (13);
- Fig. 29 is a partial perspective view of a structure provided with the assembly of modules (1) interconnected by the screws (1 B), forming scissors which is engaged in the beam by means of the support of the points (8), in the which oblique positioning adjustment holes (8B) are displayed; as well as the support of Tuesday (10);
- Fig. 30 is a partial perspective view of the structure composed of the module assembly (1) which is embedded in the wall by the wall supports (11) acting in conjunction with the diagonal and gable joining triangle (15), thereby generating a support base for the beams supporting the shears with said tip support supports (8); It is noted that the triangle (15) also has the function of crimping the structure beams in the masonry base;
- Fig. 31 is a perspective view of the junction of the scissors and the tip support support (8) showing the positioning adjustment oblong holes (8B) through the screws (1B) in detail; whereas the transverse hole (8D) in the side flaps (8C) with reinforcement (8E) allow interconnection with the possibility of angular variation for adjustment according to each project;
- Figure 32 shows a partial perspective view of a structure composed of the module assembly (1) showing the point support (8) and the diagonal joining triangle and gable (15) fixed to the same beam;
- Fig. 33 is a perspective view of two columns composed of intermediate modules (2) which are joined by screws (1 B) with the positioning of the column joining angle (14) which promotes proper crimping by screwing between the columns together with the base of the structure together with the beam locks (12);
- Fig. 34 is a perspective view of Fig. 33, in opposite view, which clearly identifies said beam locks (12) close to the ground; as well as the horizontal crossbar supports (9);
- Fig. 35 is another perspective view of Fig. 33 showing the upper part of the columns, where a column joining angle (14) is positioned in an intermediate position of the columns; and another angle (14) near the base, to ensure greater rigidity to the structure;
- Fig. 36 is a partial perspective view of a structure composed of the module assembly (1) showing the position of the inclined scissor support (19); as well as terminal (4) and extender module (6);
- Fig. 37 is a partial perspective view of a structure made up of the module assembly (1) showing the positioning of the middle locking plate (17) joining perpendicular beams;
- Fig. 38 is a partial perspective view of a structure composed of the module assembly (1) showing the positioning of the corner locking plate (16) joining perpendicular beams at the corner of the structure;
- Fig. 39 is an example of a simplified structure configuration, comprising some of the members of the module assembly (1), which is generated without the shears joining transverse beams and shear support columns, which are joined at the upper ends only by the upper end supports (7); the middle portion of the scissors is reinforced by tensioners (18) interconnected by general connectors (13); and, the lower ends of the scissors are anchored to the longitudinal beams by means of the inclined scissors supports (19) bolted to the ends of the beams, and between the intermediate modules (2), ensuring proper reinforcement of the structure;
- Fig. 40 is a perspective view of Fig. 39 showing the integral members of the structure;
- Fig. 41 is a detail view of one of the brackets (19) bolted between intermediate modules (2) and supporting the lower end of one of the scissors;
- Fig. 42 is a perspective view of a column composed of intermediate modules (2) and provided with a wire rope holding shoe (20); and, Fig. 43 is a perspective view of Fig. 42 showing a set of holding shoes (20).
- the intermediate modules (2) pipe feed modules (3), terminal modules ** (4), opening support modules ( 5) extender modules (6); as well as support elements such as upper terminal support (7), point support support (8), horizontal cross support (9), purse support (10), wall support (11), beam (12), general connector (13), column joining angle (14), diagonal and gable joining triangle (15), corner locking plate (16), middle locking plate (17), telescopic turnbuckle frame (18), inclined scissor support (19).
- the module assembly (1) can be interconnected by bolts (1 B) laterally, or from the top, generating wider (laterally juxtaposed modules) or narrower (top juxtaposed modules) structures according to the need for structural design.
- the transverse holes (1 D) have lateral reinforcements to prevent deformations in the modules to ensure their highest rigidity, and hence the entire structure.
- Pipe-through modules (3) feature a centralized element (3A) composed of half longitudinal rod (3B) and transverse half rod (3C), coincident with side holes (3D) and complemented by diagonal internal reinforcing elements. (1C) to allow the passage of electrical, hydraulic, gas or data transmission lines, without loss of strength of the modules (3), in order to guarantee their greater rigidity of the whole structure.
- Terminal modules (4) have one of the smaller sides (4A); as well as longitudinal (4B) and transverse (4C) internal reinforcing elements in their middle portions, in order to ensure their greater rigidity, and consequently of the entire structure.
- the support support of the tips (8) is provided with a base (8A) provided with oblong holes (8B), said to adjust their positioning in relation to the dimensions of the structures under construction; It is further provided with tabs (8C) with transverse hole (8D) and reinforcement element (8E).
- the horizontal crossbar support (9) is provided with a base (9A), perpendicular to another orthogonal flap (9B) and provided with holes (9C); whereby in the middle portion between the flaps 9A and 9B there is an orthogonal reinforcing plate 9D.
- the diagonal and gable joining triangle (15) is composed of a rectangular plate (15A) perpendicular to another rectangular plate (15B), which are provided with a hole (15C) and laterally joined by triangular plates (15D). , which in turn are provided with transverse drilling (15E).
- the extension modules (6) are devoid of internal diagonal reinforcing elements (1 C), with the transverse holes (1 D) being integrated with their side walls.
- the upper terminals (7) are composed of quadrangular base (7A) with holes (7B) and orthogonal flaps (7C) provided with transverse drilling (7D).
- the centralized element (3A) consists of half longitudinal rod (3B) and transverse half rod (3C), coinciding with the lateral holes (3D) and complemented by the internal diagonal reinforcing elements (1C), which exist in the through-pass modules.
- piping (3) can be incorporated into the configurations of the other modules (intermediate (2), terminal (4), supporting the openings (5)); whereas in the extender module (6) only the openings (3D) are adopted to allow the passage of electrical, hydraulic, gas or data transmission pipes to ensure the passage of pipes without losing the rigidity of the structure.
- a configurative variant of the composable modules comprises a wire rope containment shoe (20) composed of a rectangular base (20A) provided with low relief rounded transverse channels (20B) which is intended for use in construction. storage silos and the like.
- each module is positioned in lateral or top juxtaposition, coinciding the holes (1A) so that screws ( 1 B) that will interconnect them, forming the structure under construction;
- the choice of the type of module to be placed should be in accordance with the need of the project or structure being assembled, as for example, placing the intermediate modules (2) preceded and / or suspended by piping modules ( 3), terminal modules (4), opening support modules (5), extension modules (6); as well, complemented by support plates supporting the tips (8), among others, in order to ensure the best condition of rigidity of the structure.
- Modules are constructed in a rigorously standardized format and transported to the site disconnected, which facilitates operation and storage; If there is a need to expand The structure is proceeded by obtaining more composable modules in order to make the process viable.
- the modules are strictly standardized and there is no deterioration or damage to their assembly or disassembly, in case of reduced structure dimensions or partial or total disassembly of the modules, the modules may be relocated for reuse. in another project without any burden on its physical integrity.
- Telescopic frame tensioning elements (18) are used to generate vector components in certain parts of the structure in order to increase its structural rigidity and can be added to an existing structure (intermediate modules (2), pipe passage (3) and terminal (4) provide for anchoring (1 D) of the telescopic tensioning elements (18)) as required (identification of loads added to the structure; identification of strong winds at the installation site; detective maintenance) , predictive or corrective preventive; among other situations).
- the tensioning elements (18) may be anchored to existing modules; or, in composable modules that must be positioned in the existing structure, according to the project need, in order to neutralize or reinforce the structure.
- Tensioners (18) already existing or added to the structure can be equipped with load sensors (not shown) to detect the stresses and to check if there are overloads that can cause damage, providing data for corrective and preventive maintenance, and may even dispense with it. even when going to the job site by sending a signal via the internet or via a cellular system signal coupled to the tensioner (18) to a monitoring center to take appropriate action, since the data collected on the sensors loads on the tensioning elements (18) allow a prior assessment of the state of the structure and the measures to be adopted.
- the inclined scissor supports (19) can be screwed to the ends of the beams or, between the intermediate modules (2), at any point of the beams, allowing the attachment of inclined scissors in numerous positions, where they are properly anchored, ensuring a wide range of configuration possibilities for the structures to be designed.
- containment shoes (20) allows structural reinforcements to be made to the structure of the silos under construction, or even to existing silos where no disassembly of the structure is required. in use.
- the shoes (20) may be load sensors (not shown) on both base (20A) and wire rope (not shown) to detect overloads and send signal via internet or cellular signal to a monitoring appropriate steps have been taken.
- Pipe Through Modules (3) can be positioned on any part of the structure requiring the use of electrical or hydraulic piping, gas or data transmission, allowing them to remain inside without compromising the structure. since it has internal openings (3A and 3D) for the passage of the pipes, which were designed to distribute the existing forces in the other elements of the pipe passage module (3).
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112020004823-2A BR112020004823A2 (pt) | 2018-06-14 | 2018-06-14 | Sistema de módulos componíveis estruturais interconectáveis |
PCT/BR2018/050192 WO2019237164A1 (pt) | 2018-06-14 | 2018-06-14 | Sistema de módulos componíveis estruturais interconectáveis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR2018/050192 WO2019237164A1 (pt) | 2018-06-14 | 2018-06-14 | Sistema de módulos componíveis estruturais interconectáveis |
Publications (1)
Publication Number | Publication Date |
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WO2019237164A1 true WO2019237164A1 (pt) | 2019-12-19 |
Family
ID=68841693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/BR2018/050192 WO2019237164A1 (pt) | 2018-06-14 | 2018-06-14 | Sistema de módulos componíveis estruturais interconectáveis |
Country Status (2)
Country | Link |
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BR (1) | BR112020004823A2 (pt) |
WO (1) | WO2019237164A1 (pt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111453273A (zh) * | 2020-04-01 | 2020-07-28 | 清华大学 | 一种具有变刚度和锁止功能的转运货架 |
WO2024003880A1 (en) * | 2022-06-30 | 2024-01-04 | TIWARI, Ir. Anshuman | House, building, small or large or very large: skyscraper, |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5205101A (en) * | 1991-06-14 | 1993-04-27 | David Swan | Support system |
US5390463A (en) * | 1993-11-24 | 1995-02-21 | Penn Fabrication (U.S.A.) Inc. | Modular truss structure |
US20030177735A1 (en) * | 2002-02-06 | 2003-09-25 | Gary Seeba | Built-up beam assembly for building structures |
US20040144055A1 (en) * | 2003-01-21 | 2004-07-29 | Steve Lewison | Modular truss system with a nesting storage configuration |
US20100326003A1 (en) * | 2009-06-26 | 2010-12-30 | Global Truss America, Llc | Portable modular roof truss system |
CN107503437A (zh) * | 2017-08-31 | 2017-12-22 | 美联钢结构建筑系统(上海)股份有限公司 | 一种模块化建筑连接结构 |
CN207160240U (zh) * | 2017-09-18 | 2018-03-30 | 广州番禺职业技术学院 | 一种模块化装配式多高层钢结构梁柱连接节点 |
-
2018
- 2018-06-14 BR BR112020004823-2A patent/BR112020004823A2/pt not_active IP Right Cessation
- 2018-06-14 WO PCT/BR2018/050192 patent/WO2019237164A1/pt active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5205101A (en) * | 1991-06-14 | 1993-04-27 | David Swan | Support system |
US5390463A (en) * | 1993-11-24 | 1995-02-21 | Penn Fabrication (U.S.A.) Inc. | Modular truss structure |
US20030177735A1 (en) * | 2002-02-06 | 2003-09-25 | Gary Seeba | Built-up beam assembly for building structures |
US20040144055A1 (en) * | 2003-01-21 | 2004-07-29 | Steve Lewison | Modular truss system with a nesting storage configuration |
US20100326003A1 (en) * | 2009-06-26 | 2010-12-30 | Global Truss America, Llc | Portable modular roof truss system |
CN107503437A (zh) * | 2017-08-31 | 2017-12-22 | 美联钢结构建筑系统(上海)股份有限公司 | 一种模块化建筑连接结构 |
CN207160240U (zh) * | 2017-09-18 | 2018-03-30 | 广州番禺职业技术学院 | 一种模块化装配式多高层钢结构梁柱连接节点 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111453273A (zh) * | 2020-04-01 | 2020-07-28 | 清华大学 | 一种具有变刚度和锁止功能的转运货架 |
WO2024003880A1 (en) * | 2022-06-30 | 2024-01-04 | TIWARI, Ir. Anshuman | House, building, small or large or very large: skyscraper, |
Also Published As
Publication number | Publication date |
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BR112020004823A2 (pt) | 2021-01-05 |
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