CN115306031B - Ultra-high large-span structural system adopting giant reinforced concrete lattice column - Google Patents
Ultra-high large-span structural system adopting giant reinforced concrete lattice column Download PDFInfo
- Publication number
- CN115306031B CN115306031B CN202211143380.5A CN202211143380A CN115306031B CN 115306031 B CN115306031 B CN 115306031B CN 202211143380 A CN202211143380 A CN 202211143380A CN 115306031 B CN115306031 B CN 115306031B
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- columns
- grid
- lattice
- giant
- 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
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 abstract description 14
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- 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
- E04B1/19—Three-dimensional framework structures
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
-
- 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
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an ultrahigh large-span structure system adopting giant reinforced concrete lattice columns, which comprises a vertical supporting structure and a roof structure, wherein the vertical supporting structure comprises reinforced concrete lattice columns at four corners and a plurality of lattice wind-resistant columns at the periphery, the lattice wind-resistant columns are connected with each other through a plurality of wind-resistant truss beams horizontally arranged, the grid roof is fixedly arranged at the top of the vertical supporting structure and comprises an upper chord grid and a lower chord grid which are arranged in parallel, the upper chord grid and the lower chord grid are orthogonal and are welded with plane grids of spherical nodes, and the upper chord grid and the lower chord grid are connected into a whole through a plurality of groups of vertical web members and inclined web members. The load of the structural system is transmitted step by step, the main and the sub are clear, the stress is clear, the huge reinforced concrete lattice column is positioned at four corners, the occupied space is minimum, the occupied area is reduced, and the construction difficulty and risk are reduced.
Description
Technical Field
The invention relates to the technical field of building structure design and construction, in particular to an ultrahigh large-span structural system adopting giant reinforced concrete lattice columns.
Background
Along with economic development and technological progress, building structures are increasingly moving toward diversification and enlargement. Some special function buildings require high and large internal building spaces, so that so-called ultra-high large span structures are present. The ultra-high and large-span structure defined herein refers to a building structure with the structural span and the height of more than or equal to 60m, and is mainly applied to the special fields of airship libraries, high-voltage lightning laboratories, rocket assembly plants, large-space entertainment buildings and the like. For ultra-high large span structures, the following factors must be considered in the structural selection: 1) The stress performance of the vertical supporting structure under horizontal loads such as wind load is the key of structure model selection. Because of the super high structure, the vertical supporting structure is used as a main lateral force resisting component of the structure and also used for bearing and transmitting larger horizontal wind load, and the stress characteristic of the large-span vertical wall surface structure is shown; 2) The structural selection is to consider the feasibility and the reliability of the structural construction, namely the structural scheme is to reduce the construction measure cost as much as possible, and the reliability and the safety of construction implementation are improved; 3) Suitable constructional arrangements are to be determined in connection with the use of functions, building shapes etc. Because of the specificity of the building, few application cases exist at present, and the structural form and system of the building are continuously developed and perfected. From the established case, the space cylinder shell and the space arch structure are arranged, and the space arch structure is mainly used for the airship warehouse; the device is provided with a bent structure and is used for space rocket assembly plants and special laboratories; there is a large frame structure for use in high space recreational facilities. The space cylinder shell or the space arch frame is suitable for building structures with inner spaces which can be wider and narrower and longer in longitudinal length, such as airship libraries and the like, and the rods are more, and the current method mainly adopts a cumulative lifting reverse construction method, so that the construction difficulty is high and the risk is high; when the structural height of the bent structure is larger than 60m, the structural efficiency is rapidly reduced, and the steel consumption is rapidly increased; the huge frame structure is basically stressed by Liang Zhukang, and the structural efficiency and the economic index are still to be improved. In view of the foregoing, there is a need for providing more rational architecture systems to accommodate ultra-high large span structures of different usage requirements and building sizes.
Disclosure of Invention
The invention aims to provide an ultrahigh large-span structural system adopting giant reinforced concrete lattice columns, which aims to solve the technical problems in the background technology.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides an adopt huge reinforced concrete lattice column's superelevation large-span structural system, includes vertical bearing structure and rack roof, vertical bearing structure corresponds the outline position that sets up in building structure horizontal projection, reinforced concrete lattice column and a plurality of lattice formula anti-wind posts all around including the four corners position, and a plurality of lattice formula anti-wind posts equidistant are laid between reinforced concrete lattice column, and between lattice formula anti-wind post and the lattice formula anti-wind post, between lattice formula anti-wind post and the reinforced concrete lattice column all link to each other through the anti-wind truss roof that a plurality of way level set up, the rack roof is fixed to be set up in vertical bearing structure top, including parallel arrangement's last chord rack and lower chord rack, go up chord rack and lower chord rack and be the orthogonal normal flat grid of putting and welding spherical node, and go up chord rack and lower chord rack between through a plurality of vertical web members and diagonal web members and link as an organic whole.
Preferably, the reinforced concrete lattice column is a double-limb giant reinforced concrete lattice column, and two side column limbs of the reinforced concrete lattice column are respectively and correspondingly arranged at the positions of two adjacent side walls of the building structure, and a chamfer is formed between the side walls of the building structure.
Preferably, the column limbs of the double-limb giant reinforced concrete lattice column adopt a structural form of a rectangular hollow column, and the batten plates of the double-limb giant reinforced concrete lattice column adopt a structural form of a box-shaped cross beam.
Preferably, the included angles formed between the batten plates of the double-limb giant reinforced concrete lattice column and the side walls at two sides of the building structure are equal.
Preferably, plane supports are correspondingly arranged in the plane grid-shaped frame bodies of the upper chord net frame and the lower chord net frame.
Compared with the prior art, the invention has the beneficial effects that: compared with other structural systems, the invention takes the giant reinforced concrete lattice columns at four corners as main horizontal lateral force resisting members, the vertical lattice wind-resisting columns and the transverse wind-resisting truss beams are arranged between the giant reinforced concrete lattice columns according to the groined shape, the wind-resisting columns resist wind load and transmit vertical load, the wind-resisting truss beams transmit horizontal load to the giant reinforced concrete lattice columns, the grid roof adopts the orthogonal positive-laid grid frame, the supporting reinforcement rigidity is arranged in the plane, the load of the structural system is transmitted step by step, the main time is clear, the stress is clear, the giant reinforced concrete lattice columns are positioned at four corners, the occupied space is minimum, meanwhile, the lattice steel columns and the wind-resisting truss beams which are taken as box-shaped cross beams in the middle mainly transmit wind load, the wind-resisting truss beams are not main lateral force members, the cross section is smaller, the occupied area is reduced, moreover, the hollow column of the reinforced concrete can be constructed by adopting a sliding mode, and then the constructed giant reinforced concrete lattice column can be used as a construction platform of a steel structure, and the construction difficulty and the risk are reduced.
Drawings
The foregoing and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the invention, wherein:
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a plan view of the vertical support structure of the present invention;
FIG. 3 is a plan view of a rack roof of the present invention;
FIG. 4 is a structural elevation of one side of the present invention;
FIG. 5 is a structural elevation view of the other side of the present invention;
FIG. 6 is a schematic structural view of a reinforced concrete lattice column of the present invention;
FIG. 7 is a schematic cross-sectional view of a rectangular hollow column according to the present invention;
fig. 8 is a schematic cross-sectional view of a box beam according to the present invention.
Reference numerals: 1-reinforced concrete lattice column, 11-rectangular hollow column, 12-box type cross beam, 2-lattice wind-resistant column, 3-wind-resistant truss beam, 4-net frame roof, 41-upper net frame, 42-lower net frame, 43-vertical web member, 44-inclined web member and 45-plane support.
Detailed Description
Hereinafter, an embodiment of an ultra-high large span structural system employing giant reinforced concrete lattice columns according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the invention to the embodiments and scope of the invention. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "horizontal", "vertical", "oblique", "top", "bottom", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present invention, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The principles and features of the present invention are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present invention. The preferred embodiment of the present invention is described in further detail below in conjunction with fig. 1-8:
as shown in figures 1-5, the ultra-high large-span structure system adopting the huge reinforced concrete lattice column of the invention comprises a vertical supporting structure and a grid roof, wherein the vertical supporting structure is correspondingly arranged at the outer contour position of the horizontal projection of the building structure, comprises a reinforced concrete lattice column 1 at four corners and a plurality of lattice wind-resistant columns 2 around the reinforced concrete lattice column 1, the lattice wind-resistant columns 2 are distributed among the reinforced concrete lattice columns 1 at equal intervals, the lattice wind-resistant columns 2 and the lattice wind-resistant columns 2, the lattice wind-resistant columns 2 and the reinforced concrete lattice columns 1 are all connected through a plurality of wind-resistant truss beams 3 horizontally arranged, the reinforced concrete lattice columns 1 at four corners are main horizontal lateral force resisting members and bear main horizontal loads, and meanwhile, the lateral rigidity of the whole structure is ensured, the vertical lattice type wind-resistant columns 2 and the transverse wind-resistant truss beams 3 are arranged between the giant reinforced concrete lattice columns 1, the lattice type wind-resistant columns 2 are used for resisting wind load and transmitting vertical load, the horizontal wind-resistant truss beams 3 are used for transmitting horizontal load to the giant reinforced concrete lattice columns 1, as shown in figures 6-8, the reinforced concrete lattice columns 1 are double-limb giant reinforced concrete lattice columns, the column limbs adopt the structure form of rectangular hollow columns 11, the batten plates adopt the structure form of box-shaped cross beams 12 and are rigidly connected with the rectangular hollow columns 11, the rectangular hollow columns 11 have high structural rigidity, the construction can be adopted by adopting a sliding mode, two side column limbs of the reinforced concrete lattice columns 1 are respectively correspondingly arranged at the positions of two adjacent side walls of the building structure, cut angles are formed between the side walls of the building structure, the batten plates of the double-limb giant reinforced concrete lattice columns are equal to the included angles formed between the two side walls of the building structure, the corner cutting arrangement can reduce extreme negative pressure at the corner of the building structure, reduce the overall wind load and save space;
the net rack roof 4 is fixedly arranged at the top of the vertical supporting structure and comprises an upper net rack 41 and a lower net rack 42 which are arranged in parallel, the upper net rack 41 and the lower net rack 42 are orthogonal and are arranged in a positive mode and are welded with plane grids of spherical nodes, the upper net rack 41 and the lower net rack 42 are connected into a whole through a plurality of groups of vertical web members 43 and inclined web members 44, and plane supports 45 are correspondingly arranged in plane grid-shaped frame bodies of the upper net rack 41 and the lower net rack 42, so that the in-plane rigidity is enhanced.
The horizontal wind load mainly acts on the lattice type wind-resistant columns 2 and the horizontally arranged wind-resistant truss beams 3 through the enclosure structures, the wind-resistant truss beams 3 transmit the wind load to the giant reinforced concrete lattice columns 1 at four corners, part of horizontal force of the lattice type wind-resistant columns 2 is transmitted to the giant reinforced concrete lattice columns 1 at four corners through the grid roof 4 and the wind-resistant truss beams 3, and the other part of horizontal force directly acts on the foundation. The grid roof 4 adopts a grid structure of orthogonal forward-lying and welding ball joints to bear the vertical load of the roof, and plane supports 45 are correspondingly arranged in the upper chord grid 41 and the lower chord grid 42, so that the horizontal force is transmitted by utilizing the in-plane rigidity. The load of the structure system is transmitted step by step, the main and the secondary are clear, the stress is clear, wherein the giant reinforced concrete lattice column 1 is a main lateral force resisting component, the vertical load of the roof is respectively transmitted to the giant reinforced concrete lattice column 1 at four corners and the surrounding lattice wind-resisting column 2 through the grid roof 4, and then transmitted to the foundation, and the vertical load of the surrounding building envelope is directly transmitted to the foundation through the surrounding lattice wind-resisting column 2.
The construction process of the invention is as follows, the construction of the structural system adopts slip form construction and integral lifting method, the rectangular hollow column 11 of the giant reinforced concrete structure adopts slip form construction, the construction platform of the steel structure around is used after the construction is finished, the lattice type wind-resistant column 2 and the wind-resistant truss beam 3 around are lifted step by adopting a large crane, and the grid roof 4 is integrally lifted by utilizing the giant reinforced concrete lattice column 1 around. The structure system is particularly suitable for super-high large-span structure systems with the lower chord height of the roof being more than 100m and the building plane being close to square.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. An ultra-high large-span structural system adopting giant reinforced concrete lattice columns is characterized in that: the vertical support structure is correspondingly arranged at the outer contour position of the horizontal projection of the building structure and comprises reinforced concrete lattice columns (1) at four corners and a plurality of lattice wind-resistant columns (2) around, wherein the reinforced concrete lattice columns (1) are double-limb giant reinforced concrete lattice columns, two side column limbs of the reinforced concrete lattice columns are respectively and correspondingly arranged at two side wall positions adjacent to the building structure, tangential angles are formed between the side walls of the building structure, the lattice wind-resistant columns (2) are uniformly distributed between the reinforced concrete lattice columns (1), the lattice wind-resistant columns (2) and the lattice wind-resistant columns (2) are connected through a plurality of wind-resistant truss beams (3) horizontally arranged, the upper grid (41) and the lower grid (42) are fixedly arranged at the top of the vertical support structure and comprise an upper grid (41) and a lower grid (42) which are arranged in parallel, and the upper grid (41) and the lower grid (42) are welded together in a mode and are connected with each other in an orthogonal grid (43) through a plurality of orthogonal grid sets, and the grid (42) are connected with each other in an orthogonal grid (43) and the orthogonal grid sets are connected with each other.
2. The ultra-high large span structural system using giant reinforced concrete lattice columns according to claim 1, wherein: the column limbs of the double-limb giant reinforced concrete lattice column adopt a structural form of a rectangular hollow column (11), and the batten plates of the double-limb giant reinforced concrete lattice column adopt a structural form of a box-shaped cross beam (12).
3. The ultra-high large span structural system using giant reinforced concrete lattice columns according to claim 1, wherein: the included angles formed between the batten plates of the double-limb giant reinforced concrete lattice column and the side walls at two sides of the building structure are equal.
4. The ultra-high large span structural system using giant reinforced concrete lattice columns according to claim 1, wherein: planar supports (45) are correspondingly arranged in the planar grid-shaped frame bodies of the upper chord net frame (41) and the lower chord net frame (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211143380.5A CN115306031B (en) | 2022-09-20 | 2022-09-20 | Ultra-high large-span structural system adopting giant reinforced concrete lattice column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211143380.5A CN115306031B (en) | 2022-09-20 | 2022-09-20 | Ultra-high large-span structural system adopting giant reinforced concrete lattice column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115306031A CN115306031A (en) | 2022-11-08 |
| CN115306031B true CN115306031B (en) | 2024-04-05 |
Family
ID=83865990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211143380.5A Active CN115306031B (en) | 2022-09-20 | 2022-09-20 | Ultra-high large-span structural system adopting giant reinforced concrete lattice column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115306031B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB564266A (en) * | 1943-02-02 | 1944-09-20 | Archibald Milne Hamilton | Improvements in and relating to buildings |
| JPH0468140A (en) * | 1990-07-05 | 1992-03-03 | Shimizu Corp | Construction of beam |
| CN2583191Y (en) * | 2002-11-25 | 2003-10-29 | 徐国彬 | Rack bridge surface system structure |
| CN103306431A (en) * | 2013-05-31 | 2013-09-18 | 福建工程学院 | Reinforced concrete pipe lattice column |
| JP2015045195A (en) * | 2013-08-29 | 2015-03-12 | 大和ハウス工業株式会社 | Girder-beam joining structure |
| CN104831851A (en) * | 2015-04-29 | 2015-08-12 | 潍坊昌大建设集团有限公司 | Reinforced concrete orthogonal-diagonal space lattice box structure and production method thereof |
| CN112095921A (en) * | 2020-08-13 | 2020-12-18 | 深圳前海科建工程有限公司 | Three-limb lattice column structure system of main workshop of waste incineration power plant |
| CN212405465U (en) * | 2020-06-23 | 2021-01-26 | 贵州大学 | Composite structure of hollow net frame and hollow sandwich plate space grid |
-
2022
- 2022-09-20 CN CN202211143380.5A patent/CN115306031B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB564266A (en) * | 1943-02-02 | 1944-09-20 | Archibald Milne Hamilton | Improvements in and relating to buildings |
| JPH0468140A (en) * | 1990-07-05 | 1992-03-03 | Shimizu Corp | Construction of beam |
| CN2583191Y (en) * | 2002-11-25 | 2003-10-29 | 徐国彬 | Rack bridge surface system structure |
| CN103306431A (en) * | 2013-05-31 | 2013-09-18 | 福建工程学院 | Reinforced concrete pipe lattice column |
| JP2015045195A (en) * | 2013-08-29 | 2015-03-12 | 大和ハウス工業株式会社 | Girder-beam joining structure |
| CN104831851A (en) * | 2015-04-29 | 2015-08-12 | 潍坊昌大建设集团有限公司 | Reinforced concrete orthogonal-diagonal space lattice box structure and production method thereof |
| CN212405465U (en) * | 2020-06-23 | 2021-01-26 | 贵州大学 | Composite structure of hollow net frame and hollow sandwich plate space grid |
| CN112095921A (en) * | 2020-08-13 | 2020-12-18 | 深圳前海科建工程有限公司 | Three-limb lattice column structure system of main workshop of waste incineration power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115306031A (en) | 2022-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11332929B2 (en) | Large-angle sloping roof steel structure and construction method thereof | |
| CN201433507Y (en) | Honeycomb beam and steel building frame | |
| CN113006281B (en) | Vertical-face large-diamond-shaped grid giant inclined column super-high-rise structure with bottom conversion function and construction method | |
| CN111749337A (en) | Large-span cable net structure supported by self-balancing arch truss | |
| CN115306031B (en) | Ultra-high large-span structural system adopting giant reinforced concrete lattice column | |
| CN115288297B (en) | Ultra-high large-span structure system adopting huge frame supporting structure | |
| CN214365230U (en) | Valve hall roofing supports arrangement structure | |
| CN216766242U (en) | Large-span and large-cantilever stainless steel spatial structure system | |
| CN206144237U (en) | Prefabricated large-scale steel structure rectangular bin and rectangular group bin | |
| CN212773059U (en) | Grid type horizontal supporting structure | |
| CN214737303U (en) | Truss type steel pipe concrete cable tower structure | |
| CN212336314U (en) | Large-span cable net structure supported by self-balancing arch truss | |
| CN214194623U (en) | Special-shaped tower crane foundation | |
| CN214402963U (en) | Integral environment-friendly closed material shed | |
| CN104233948A (en) | Bridge tower or bridge pier with multi-compartment combined structure | |
| CN210395704U (en) | Anti-seismic energy dissipation device for key part of frame structure | |
| CN210917011U (en) | Cable tower structure and bridge | |
| CN202248253U (en) | Double-layer open-frame girder structure system with large cantilever structure | |
| CN112227411A (en) | Special-shaped tower crane foundation | |
| CN111877559B (en) | Steel-wood mixed crossed chord-opening arch shell structure | |
| CN212742897U (en) | High-rise building platform structure | |
| CN214194634U (en) | Air cooling platform frame bearing structure system | |
| CN211923229U (en) | Plane truss and roof truss structure | |
| CN214246070U (en) | Air cooling platform frame bearing structure system | |
| CN220100214U (en) | Connecting structure of curved surface canopy steel skeleton and stiff column |
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 |