CN107724727B - Steel construction factory building structure - Google Patents
Steel construction factory building structure Download PDFInfo
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- CN107724727B CN107724727B CN201711136687.1A CN201711136687A CN107724727B CN 107724727 B CN107724727 B CN 107724727B CN 201711136687 A CN201711136687 A CN 201711136687A CN 107724727 B CN107724727 B CN 107724727B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/246—Post to post connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a steel structure factory building structure which is built near a wharf and comprises: more than two columns of longitudinal structural units arranged at intervals along the transverse direction, each column of longitudinal structural units comprising: the plurality of floor rack posts are longitudinally arranged at intervals; the column supports are connected between two adjacent floor bent columns; a first crane beam extending longitudinally and supported by the at least two landing bent posts, the first crane beam extending above a cargo vessel that is docked at the dock. The steel structure factory building structure can realize that a factory building crane directly takes materials from a cargo ship, optimize a material transportation path into a cargo ship-workshop, shorten a material operation path and a logistics link, save the operation cost of enterprises and improve the production efficiency.
Description
Technical Field
The invention relates to a factory building structure, in particular to a steel structure factory building structure capable of realizing direct material taking of a factory building crane from a cargo ship.
Background
For industrial enterprises built near wharfs, the material transportation path is a cargo ship-port-workshop, materials are transported from the cargo ship to the workshop for one more time, the material transportation path is prolonged, the operation cost of the enterprises is improved, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to provide a steel structure factory building structure which can realize that a factory building crane directly takes materials from a cargo ship, optimize a material transportation path as a cargo ship-workshop, shorten a material operation path, save the operation cost of enterprises and improve the production efficiency.
In order to achieve the above object, the present invention provides a steel structure plant structure, which is constructed near a dock, the steel structure plant structure comprising: more than two columns of longitudinal structural units arranged at intervals along the transverse direction, wherein each column of longitudinal structural units comprises: the plurality of floor rack posts are longitudinally arranged at intervals; the column supports are connected between two adjacent floor bent columns; and the first crane beam extends longitudinally and is supported by at least two landing bent posts, and extends to the position above a cargo ship berthed at the wharf.
The steel structure factory building structure comprises the floor bent posts, wherein each floor bent post comprises a bent lower post and a bent upper post which are connected, the bent upper post is located above the first crane beam, and the bent lower post is located below the first crane beam; the inter-column support comprises a lower column support and an upper column support, wherein the lower column support is connected between two adjacent bent lower columns, and the upper column support is connected between two adjacent bent upper columns.
The steel structure factory building structure is characterized in that the lower column support is connected between two adjacent bent lower columns supporting the first crane beam and can bear the longitudinal horizontal force transmitted by the first crane beam together with the bent lower columns.
The steel structure plant structure as described above, wherein each column of said longitudinal structural units further comprises a second crane beam extending in a longitudinal direction, said second crane beam being in butt joint with said first crane beam, at least two of said floor bent posts in each column of said longitudinal structural units supporting said second crane beam.
The steel structure factory building structure, wherein the cantilever length of the first crane beam is 8-25 m, and the second crane beam is a simply supported crane beam.
The steel structure building structure as described above, wherein each column of said longitudinal structural units further comprises a column top support structure connected between the top ends of adjacent ones of said floor drain columns, said column top support structure being a strut, bracket or joist.
The steel structure factory building structure comprises the longitudinal structural units, wherein each column of the steel structure factory building structure further comprises at least one non-floor-type frame column, one end, far away from the floor-type frame column, of the first crane beam is an overhanging end, the lower end of the non-floor-type frame column is connected with the overhanging end of the first crane beam, and the upper end of the non-floor-type frame column is connected with the corresponding column top supporting structure.
The steel structure factory building structure comprises more than two rows of the plurality of floor bent posts of the longitudinal structural units, wherein the floor bent posts are further arranged to form a plurality of bent frames, the bent frames are longitudinally arranged at intervals, and each bent frame comprises more than two floor bent posts which are transversely arranged at intervals; the steel structure factory building structure still includes transversely setting and connects each pin the roof truss or roof beam between two adjacent floor bent post tops of bent.
The steel structure plant structure as described above, wherein the steel structure plant structure further comprises end closed trusses connected between ends of the longitudinal structural units of adjacent columns, the end closed trusses being connected with one end of each of the first crane beams remote from the floor rack column.
The steel structure factory building structure comprises the floor bent frame column, wherein the floor bent frame column is a lattice type single-step column, the bent frame lower column comprises two lower column limbs and lacing bars connected between the two lower column limbs, the lower column limbs adopt steel bars or steel tubes, the lacing bars adopt angle steel, T-shaped steel or steel plates, and the bent frame upper column adopts H-shaped steel; the lower column support adopts a member with a lattice section; the upper column support adopts a member with a solid-web section or a lattice section; the first crane beam adopts a box section or an I-shaped section.
The steel structure factory building structure has the characteristics and advantages that:
1. according to the steel structure factory building structure, the first crane beam is arranged and extends to the position above the cargo ship which is parked at the wharf, so that the factory building crane can directly take materials from the cargo ship, a material transportation path is optimized into a cargo ship-workshop, a material operation path and a logistics link are shortened, the operation cost of enterprises is saved, and the production efficiency is improved;
2. according to the steel structure factory building structure, the non-floor frame column is arranged, namely the non-floor frame column is connected above the first crane beam, so that the maintenance structure of the overhanging region can be supported, and a closed factory building is formed.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a plan view of one embodiment of a steel structure plant structure of the present invention;
FIG. 2 is a plan view of a first crane Liang Jidi two crane beams of the steel structure plant structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the longitudinal structural element taken along line A-A in FIG. 1;
FIG. 4 is a schematic cross-sectional view taken along line B-B in FIG. 1;
FIG. 5 is a schematic cross-sectional view of FIG. 1 along line C-C;
fig. 6 is a schematic view of the connection of a first crane beam, a floor-stand column and a second crane beam according to the invention.
Reference numerals for main elements:
1 floor frame column 11, lower frame column 12 and upper frame column
Lower column support 22 and upper column support of 2-column support 21
3. First crane beam
4. Second crane beam
5. Column top supporting structure
6. Non-floor bent column
7. Roof truss or roof girder
8. End closed truss
9. Crane
Cantilever length of L first crane beam
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present invention, a specific embodiment of the present invention will be described with reference to the accompanying drawings. Wherein the use of the adjectives or adverbs modifiers "horizontal" and "vertical," "upward" and "downward," etc. is merely for ease of reference between groups of terms and does not describe any particular directional limitation on the modified term. The transverse direction and the longitudinal direction are perpendicular to each other, and are both horizontal directions, the vertical direction is the vertical direction, the direction along the line A-A in fig. 1 is the longitudinal direction, and the direction along the line B-B is the transverse direction.
As shown in fig. 1, 2 and 3, the present invention provides a steel structure plant structure, which is constructed near a dock, the steel structure plant structure is a bent structure and includes more than two rows of longitudinal structural units (fig. 3 shows one row of longitudinal structural units) arranged at intervals in a transverse direction;
each column of longitudinal structural units comprises a plurality of vertically arranged floor-rack columns 1, inter-column supports 2 and horizontally arranged first crane girders 3 (see fig. 2, 3), wherein:
the plurality of landing rack posts 1 are arranged at intervals in the longitudinal direction in sequence, for example, the landing rack posts 1 are just connected with a foundation sitting on a foundation;
the inter-column supports 2 are connected between two adjacent floor bent columns 1 and are used for enhancing the longitudinal rigidity and stability of the factory building;
the first crane girder 3 extends in the longitudinal direction and is supported by at least two landing bent columns 1, the first crane girder 3 being used for supporting the crane 9 and the building structure in the cantilever area and for transferring the crane load to the landing bent columns 1, the first crane girder 3 also being called long cantilever crane girder, the first crane girder 3 extending above the cargo ship berthing at the quay. For example, the cantilever length L of the first crane beam is 8m to 25m (as shown in fig. 3).
According to the invention, the first crane beam is arranged and extends to the position above the cargo ship parked at the wharf, so that the factory crane can directly take materials from the cargo ship, the material transportation path is optimized into a cargo ship-workshop, the material operation path and logistics links are shortened, the operation cost of enterprises is saved, and the production efficiency is improved.
Wherein, a plurality of floor frame posts 1 of more than two columns of longitudinal structural units (namely, all floor frame posts 1 in the invention) are also arranged to form a plurality of floor frame posts (one of which is shown in fig. 4), the plurality of floor frame posts are arranged at intervals along the longitudinal direction, the floor frame in the invention is more than three, namely, the floor frame posts 1 of each column of longitudinal structural units are more than three;
each floor bent comprises more than two floor bent posts 1 which are arranged at intervals in the transverse direction, when each floor bent comprises two floor bent posts 1, the floor bent is single-span, and when each floor bent comprises more than three floor bent posts 1, the floor bent is multi-span.
As shown in fig. 3 and 4, in a preferred embodiment, each floor-stand column 1 comprises a lower column 11 and an upper column 12 connected, the upper column 12 being located above the first crane beam 3, the lower column 11 being located below the first crane beam 3, e.g. the first crane beam 3 is supported by a shoulder beam of the floor-stand column 1;
the inter-column support 2 comprises a lower column support 21 and an upper column support 22, the lower column support 21 is connected between two adjacent bent lower columns 11, the lower column support 21 is used for resisting longitudinal horizontal force (gable wind load, crane longitudinal braking force and the like) of the factory building and overturning of the first crane beam 3, the upper column support 22 is connected between two adjacent bent upper columns 12, and the upper column support 22 is used for resisting longitudinal force of the upper part of the factory building and transmitting the longitudinal force to the lower column support 21.
As further shown in fig. 3, a lower column support 21 is further connected between two adjacent lower bent columns 11 supporting the first crane girder 3 and is capable of bearing the longitudinal horizontal force transmitted from the first crane girder 3 together with the lower bent columns 11.
In this embodiment, the floor bent column 1 can bear the vertical force and the horizontal force of the steel structure factory building structure, and the two floor bent frames connected with the lower column support 21 and the lower column support 21 together bear the longitudinal horizontal force transmitted by the first crane beam 3 and transmit the longitudinal horizontal force to the foundation.
As shown in fig. 3 and 6, in another preferred embodiment, each column of longitudinal structural units further comprises a second crane beam 4 arranged horizontally and extending in the longitudinal direction, the second crane beam 4 may also be referred to as a general crane beam, the second crane beam 4 being in abutment with the first crane beam 3, at least two of the floor-stand columns 1 in each column of longitudinal structural units supporting the second crane beam 4, e.g. the second crane beam 4 is a simply supported crane beam.
In this embodiment, the second crane beam 4 can form a crane beam system together with the auxiliary girder and the brake plates, bearing the crane load in the non-cantilever area. For the specific arrangement positions of the auxiliary truss and the brake plate and the connection manner with the second crane beam 4, the prior art can be referred to, for example, the auxiliary truss is parallel to and spaced from the second crane beam 4, the auxiliary truss is also supported by the landing bent post 1, the brake plate is connected between the auxiliary truss and the second crane beam 4, and high-strength bolt connection or welding is adopted between the brake plate and the landing bent post 1, between the brake plate and the second crane beam 4, and between the brake plate and the auxiliary truss.
As shown in fig. 3, each column of longitudinal structural units further comprises a column top support structure 5 connected between the top ends of adjacent landing strip columns 1, the column top support structure 5 being a compression bar, bracket or joist, the column top support structure 5 together with the upper strip columns 12 and the upper column supports 22 resisting longitudinal forces of the upper part of the plant and transmitting them to the lower column supports 21.
As shown in fig. 3 and 5, each row of longitudinal structural units further includes at least one non-floor-standing bent column 6, wherein an end of the first crane beam 3 far away from the floor-standing bent column 1 (or an end extending above the cargo ship) is a overhanging end, a lower end of the non-floor-standing bent column 6 is connected with the overhanging end of the first crane beam 3, an upper end of the non-floor-standing bent column 6 is connected with a corresponding column top supporting structure 5, and the non-floor-standing bent column 6 is dropped on the first crane beam 3 for supporting maintenance structures of overhanging regions, such as structures of supporting roofs, side walls, etc. by the non-floor-standing bent column 6, a closed factory building is formed.
Wherein, the non-floor bent posts 6 of more than two columns of the longitudinal structural units (i.e. all the non-floor bent posts 6 in the invention) are also arranged to form at least one non-floor bent (one of which is shown in fig. 5), when the non-floor bent posts 6 of each column of the longitudinal structural units are a plurality of non-floor bent posts, the plurality of non-floor bent posts are arranged at intervals in the longitudinal direction;
each non-floor bent comprises more than two non-floor bent posts 6 which are arranged at intervals in the transverse direction, when each floor bent comprises two non-floor bent posts 6, the non-floor bent is of a single span, and when each non-floor bent comprises more than three non-floor bent posts 6, the non-floor bent is of a plurality of spans;
when the invention is not provided with the non-floor bent posts 6, the non-floor bent is 0 truss.
As shown in fig. 4 and 5, the steel structure factory building structure further comprises roof trusses or roof beams which are transversely arranged and connected between the tops of two adjacent floor bent posts 1 of each floor bent.
In one embodiment, the first crane beam 3 is of box section or i-section, which together with the brake structure constitutes a crane beam system, a crane supporting the cantilever area and a building structure. The setting position of the braking structure and the connection mode with the first crane beam 3 can be referred to in the prior art, and therefore, the description is omitted.
Further, the floor frame column 1 is a lattice type single-step column, the lower frame column 11 comprises two lower column limbs and a lacing bar (or lacing plate) connected between the two lower column limbs, the lower column limbs adopt steel bars or steel pipes, the lacing bar adopts angle steel, T-shaped steel or steel plates, and the upper frame column 12 adopts H-shaped steel.
Further, the lower column support 21 is a lattice-section member (lattice member), and the upper column support 22 is a solid-web-section or lattice-section member, and resists the longitudinal force of the upper part of the plant together with the bent upper column 12 and the column top support structure 5, and transmits the force to the lower column support 21.
In the embodiment shown in fig. 2, the steel structure building structure further comprises end closure girders 8 connected between the ends of the adjacent columns of longitudinal structural units, the end closure girders 8 being connected to the end (i.e. the overhanging end) of each first crane girder 3 remote from the floor-mounted row of girder columns 1, the end closure girders 8 also being referred to as first crane girder end closure girders or long cantilever crane girder end closure girders, the end closure girders 8 acting as a wall system supporting the building ends.
According to the steel structure factory building structure, a material transportation path is optimized from a common cargo ship to a port to a workshop, so that a material operation path and a logistics link are greatly shortened, the operation cost of enterprises is saved, and the production efficiency is improved.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this invention, and are intended to be within the scope of this invention. It should be noted that, the components of the present invention are not limited to the above-mentioned overall application, and each technical feature described in the specification of the present invention may be selected to be used singly or in combination according to actual needs, so that other combinations and specific applications related to the present invention are naturally covered by the present invention.
Claims (8)
1. A steel structure plant structure, which is built near a wharf, characterized in that the steel structure plant structure comprises:
more than two columns of longitudinal structural units arranged at intervals along the transverse direction, wherein each column of longitudinal structural units comprises:
the plurality of floor rack posts are longitudinally arranged at intervals;
the column supports are connected between two adjacent floor bent columns;
a first crane beam extending longitudinally and supported by at least two of said landing bent posts, said first crane beam extending to above a cargo ship berthing at a quay,
wherein each column of said longitudinal structural units further comprises a column top support structure connected between the top ends of adjacent ones of said floor drain columns, said column top support structure being a strut, bracket or joist,
each column of the longitudinal structural units further comprises at least one non-floor-type bent column, one end, far away from the floor-type bent column, of the first crane beam is an overhanging end, the lower end of the non-floor-type bent column is connected with the overhanging end of the first crane beam, the upper end of the non-floor-type bent column is connected with a corresponding column top supporting structure, and the non-floor-type bent column is connected with the floor-type bent column located on one side of the overhanging end through the column top supporting structure.
2. The steel structure plant structure of claim 1, wherein each of said floor bent posts includes a connected lower bent post and an upper bent post, said upper bent post being located above said first crane beam and said lower bent post being located below said first crane beam;
the inter-column support comprises a lower column support and an upper column support, wherein the lower column support is connected between two adjacent bent lower columns, and the upper column support is connected between two adjacent bent upper columns.
3. The steel structure building structure according to claim 2, wherein said lower column support is connected between two adjacent lower bent columns supporting said first crane beam and is capable of bearing with said lower bent columns a longitudinal horizontal force transmitted from said first crane beam.
4. The steel structure building structure according to claim 1, wherein each column of said longitudinal structural units further comprises a longitudinally extending second crane beam, said second crane beam being in butt joint with said first crane beam, at least two of said floor bent posts in each column of said longitudinal structural units supporting said second crane beam.
5. The steel structure plant structure of claim 4, wherein the cantilever length of the first crane beam is 8m to 25m and the second crane beam is a simply supported crane beam.
6. The steel structure plant structure of any one of claims 1 to 5, wherein more than two columns of the plurality of floor-standing bent columns of the longitudinal structural units are further arranged to form a plurality of floor-standing bent columns, the plurality of floor-standing bent columns being arranged at intervals in the longitudinal direction, each floor-standing bent column comprising more than two floor-standing bent columns arranged at intervals in the transverse direction;
the steel structure factory building structure still includes transversely setting and connects each pin the roof truss or roof beam between two adjacent floor bent post tops of floor bent.
7. The steel structure plant structure of any one of claims 1 to 5, further comprising closed end trusses connected between ends of adjacent columns of said longitudinal structural units, said closed end trusses being connected to an end of each of said first crane beams remote from said floor drain post.
8. The steel structure factory building structure of claim 2 or 3, wherein the floor frame column is a lattice type single-step column, the lower frame column comprises two lower column limbs and a lacing bar connected between the two lower column limbs, the lower column limbs adopt steel sections or steel pipes, the lacing bar adopts angle steel, T-shaped steel or steel plates, and the upper frame column adopts H-shaped steel;
the lower column support adopts a member with a lattice section;
the upper column support adopts a member with a solid-web section or a lattice section;
the first crane beam adopts a box section or an I-shaped section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711136687.1A CN107724727B (en) | 2017-11-16 | 2017-11-16 | Steel construction factory building structure |
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| CN201711136687.1A CN107724727B (en) | 2017-11-16 | 2017-11-16 | Steel construction factory building structure |
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| CN107724727B true CN107724727B (en) | 2023-06-23 |
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| CN114856086A (en) * | 2022-06-02 | 2022-08-05 | 合肥工业大学 | Reinforced concrete double-limb bent frame column for heavy factory building and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20020014651A (en) * | 2001-02-15 | 2002-02-25 | 이대준 | A method of prefab construction for steel house and steel frame |
| CN201152040Y (en) * | 2007-12-17 | 2008-11-19 | 贵阳铝镁设计研究院 | Workshop single layer mixing bent structure |
| CN201202289Y (en) * | 2008-05-27 | 2009-03-04 | 上海宝钢工程技术有限公司 | Rigid connection frame of steel structure workshop |
| CN201794169U (en) * | 2010-09-07 | 2011-04-13 | 中冶东方工程技术有限公司上海分公司 | Connection structure of steel structure factory building frame beam column |
| CN103862203A (en) * | 2012-12-11 | 2014-06-18 | 湖北欧本钢结构有限责任公司 | Assembly, welding and circulation hoist of truss purlins |
| CN103104114A (en) * | 2013-01-10 | 2013-05-15 | 朱华 | Disaster-preventing air-inducing stream-guiding wind power plant |
| CN103470077A (en) * | 2013-10-08 | 2013-12-25 | 江苏明福钢结构有限公司 | Novel steel-structured plant |
| CN104060842B (en) * | 2014-07-08 | 2016-02-24 | 七冶建设有限责任公司 | The overall fliping lifting construction method of a kind of industrial premises steel worm-gearing |
| CN206529889U (en) * | 2017-02-17 | 2017-09-29 | 北京工业大学 | A kind of end plate assembled truss of angle steel beam column node connection device for recovering function |
| CN106927363A (en) * | 2017-05-17 | 2017-07-07 | 中船第九设计研究院工程有限公司 | A kind of wallflow crane girder doubles as large-tonnage overhead crane girder construction |
| CN207553678U (en) * | 2017-11-16 | 2018-06-29 | 中冶京诚工程技术有限公司 | A kind of steel plant structure |
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