CN106759893B - Assembled steel structure - Google Patents

Assembled steel structure Download PDF

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Publication number
CN106759893B
CN106759893B CN201710037677.6A CN201710037677A CN106759893B CN 106759893 B CN106759893 B CN 106759893B CN 201710037677 A CN201710037677 A CN 201710037677A CN 106759893 B CN106759893 B CN 106759893B
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China
Prior art keywords
shaped
columns
steel
vertical
cross
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CN201710037677.6A
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Chinese (zh)
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CN106759893A (en
Inventor
娄宇
温凌燕
沈银澜
徐小燕
刘博文
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Angang Zhongdian Steel Structure Co ltd
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Angang Zhongdian Construction Technology Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts

Abstract

The invention relates to the technical field of constructional engineering, and discloses an assembly type steel structure, which aims to improve the lateral resistance of the assembly type steel structure so as to improve the bearing capacity and stability of a building. This assembled steel construction, including many stands, the level setting of parallel erectting and connect the multichannel crossbeam of many stands to and the K type support frame that corresponds the junction setting of every stand and every crossbeam, wherein, every K type support frame is including erecting vaulting pole and two diagonal braces, and every vertical setting of vaulting pole and both ends are connected with the crossbeam that corresponds respectively, two diagonal braces and perpendicular vaulting pole are the K type setting, and every diagonal brace one end is connected in erecting the vaulting pole middle part, and the other end is connected with the stand.

Description

Assembled steel structure
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an assembled steel structure.
Background
The novel building industrialization is a sustainable development novel building production mode which takes component prefabricated production and assembly type construction as production modes and is characterized by design standardization, component part commercialization and construction mechanization, can integrate whole industrial chains such as design, production, construction and the like, and realizes energy conservation, environmental protection and full life cycle value maximization of building products. The novel building industrialization with high construction speed and high integration degree is the key point for the development of future building industry in China.
For the industrialization of new buildings, the fabricated structure system of buildings is important, which not only needs to satisfy the prefabrication of components and the mechanization of construction, etc. for convenient construction and assembly, but also needs to maintain enough strength and building function requirements. Due to the multiple different types of the house types and the irregular wall arrangement, the frame column net of the existing assembly type steel structure is difficult to form a system side force resisting system, the support is difficult to find a proper arrangement position, the section of the steel column is larger than the wall thickness, convex column external corners often appear at four corners of a room, and the use function of an indoor building is influenced.
Disclosure of Invention
The invention provides an assembly type steel structure, which aims to improve the lateral resistance of an assembly type frame structure, thereby improving the bearing capacity and stability of a building and meeting the flexible arrangement requirement of building functions.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an assembled steel structure, includes that many stands, the level of parallel erectting set up and connect the multichannel crossbeam of many stands to and the K type support frame that corresponds the junction setting of every stand and every crossbeam, wherein, every K type support frame is including erecting vaulting pole and two diagonal braces, and every vertical setting of vaulting pole and both ends are connected with the crossbeam that corresponds respectively, two diagonal braces and perpendicular vaulting pole are the setting of K type, and every diagonal brace one end is connected in erecting the vaulting pole middle part, and the other end is connected with the stand.
Optionally, the multiple columns include rectangular steel pipe columns, circular steel pipe columns, rectangular steel pipe concrete columns, circular steel pipe concrete columns, i-shaped steel columns, cross-shaped steel columns, double-groove-shaped steel columns or L-shaped, T-shaped, or groined-shaped special-shaped combined section steel columns, and each beam is an i-shaped steel beam.
Preferably, the connecting part of the side surface of the upright post and the cross beam is provided with a cross beam connecting end, and the cross section of the cross beam connecting end is I-shaped.
Optionally, when the upright columns are rectangular steel pipes or rectangular steel pipe concrete, inner ring plates or outer ring plates can be arranged at the joints of the beam connecting ends and the upright columns; or the two sides of the flange plate at the beam connecting end are provided with flange side connecting plates in an attaching mode, and the sum of the width of the flange plate at the beam connecting end and the thickness of the two flange side connecting plates is not larger than the side length of the cross section of the upright column.
Optionally, when the column is a circular steel tube or circular steel tube concrete, an inner ring plate or an outer ring plate is arranged at the joint of the beam connecting end and the column.
Optionally, when the upright column is an i-shaped steel column, a cross-shaped steel column, a double-groove-shaped steel column or an L-shaped, T-shaped or groined-shaped steel column with a special-shaped combined cross section, a transverse partition plate is arranged at the joint of the connecting end of the cross beam and the upright column.
Preferably, the cross-section wing edges of each cross beam and the cross beam connecting end are connected by butt seam welding, and the web plates of each cross beam and the cross beam connecting end are connected through connecting plate bolts.
Preferably, a connecting part is arranged at the joint of each inclined supporting rod and each upright column, each connecting part comprises a T-shaped end plate and an ear plate, each T-shaped end plate is connected with the corresponding inclined supporting rod, each ear plate is connected with the connecting end of the cross beam of each upright column, and the T-shaped end plates are hinged to the ear plates through pin shafts.
Preferably, the joint of each cross beam and the vertical support rod is connected through a vertical rod end plate bolt, and a stiffening rib is arranged on a cross beam web plate corresponding to the joint of each cross beam and the vertical support rod.
Optionally, the diagonal brace and the vertical brace include a circular steel tube, a rectangular steel tube, an i-shaped steel support, a T-shaped steel support, an L-shaped steel support, a channel-shaped steel support, a cross-shaped steel support, a damper support, or a buckling restrained brace.
The assembly type steel structure provided by the embodiment of the invention comprises a plurality of upright columns which are erected in parallel, a plurality of cross beams which are horizontally arranged and connected with the upright columns, and K-shaped supporting frames which are arranged corresponding to the joints of the upright columns and the cross beams. Vertical setting of the vertical brace rod of K type support frame and both ends are connected with the crossbeam that corresponds respectively, and two diagonal braces and vertical brace rod are the setting of K type, and every diagonal brace one end is connected in vertical brace rod middle part, and the other end is connected with the stand, can improve assembled frame construction's anti side ability, has avoided the diagonal brace to act on the stand middle part and has aroused the steel column bucking to collapse to improve the bearing capacity and the stability of building, and solved the projection external corner problem.
Drawings
Fig. 1 is a schematic structural diagram of an assembled steel structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a fabricated steel structure according to an embodiment of the present invention;
FIG. 3 is a first partial structural view of an assembled steel structure according to another embodiment of the present invention;
FIG. 4 is a second partial structural view of an assembled steel structure according to another embodiment of the present invention;
fig. 5 is a schematic partial structural view three of an assembled steel structure according to still another embodiment of the present invention.
Reference numerals:
1-column
2-beam
3-K type support frame
31-vertical stay
32-diagonal brace rod
33-vertical rod end plate
4-beam connection end
5-flange side connecting plate
6-connecting plate
7-connecting part
71-T type end plate
72-ear plate
73-pin shaft
8-stiffener
Detailed Description
In order to improve the lateral resistance of the fabricated steel structure, improve the bearing capacity and stability of a building and the adaptability to the functional requirements of the building, the embodiment of the invention provides the fabricated steel structure. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
Referring to fig. 1 and 2, an assembled steel structure according to an embodiment of the present invention includes a plurality of vertical columns 1 that are erected in parallel, a plurality of horizontal beams 2 that are horizontally disposed and connected to the plurality of vertical columns 1, and K-shaped supporting frames 3 that are disposed corresponding to joints of each vertical column 1 and each horizontal beam 2, where each K-shaped supporting frame 3 includes a vertical supporting rod 31 and two diagonal supporting rods 32, each vertical supporting rod 31 is disposed vertically, and both ends of each vertical supporting rod 31 are connected to the corresponding horizontal beam 2, the two diagonal supporting rods 32 and the vertical supporting rod 31 are disposed in a K-shape, and one end of each diagonal supporting rod 32 is connected to a middle portion of the vertical supporting rod 31, and the other end of each diagonal supporting rod 32 is connected to a vertical column 1.
The assembly type steel structure provided by the embodiment of the invention comprises a plurality of upright columns which are erected in parallel, a plurality of cross beams which are horizontally arranged and connected with the upright columns, and K-shaped supporting frames which are arranged corresponding to the joints of the upright columns and the cross beams. Vertical setting of the vertical brace rod of K type support frame and both ends are connected with the crossbeam that corresponds respectively, and two diagonal braces and vertical brace rod are the setting of K type, and every diagonal brace rod one end is connected in vertical brace rod middle part, and the other end is connected with the stand, can carry out the side support to the stand when the assembled steel construction receives the side force effect of horizontal direction, improve the anti side ability of assembled steel construction to improve the bearing capacity and the stability of building.
In the embodiment of the invention, the upright column is not specifically limited, and comprises a rectangular steel pipe column, a circular steel pipe column, a rectangular steel pipe concrete column, a circular steel pipe concrete column, an I-shaped steel column, a cross-shaped steel column, a double-groove steel column or a steel column with a special-shaped combined section, such as an L-shaped steel column, a T-shaped steel column, a groined-shaped steel column and the like, and the steel column can be selected according to actual conditions during construction, so that the application range of the steel structure is widened. Preferably, each cross beam is an I-shaped steel cross beam. The I-shaped steel beam can reduce the consumption of steel and the self weight of a steel structure while ensuring better bearing strength, thereby reducing the cost and prolonging the service life.
In a specific embodiment of the present invention, the column 1 is a rectangular steel tube column, and the beam 2 is an i-beam. As shown in fig. 3, a beam connecting end 4 is arranged at the joint of the side surface of the rectangular steel tube upright post 1 and the beam 2, and the cross section of the beam connecting end 4 is i-shaped. The setting of crossbeam link 4 makes the connection between stand 1 and the crossbeam 2 more convenient, easily realize, and joint strength is also higher. The flange side connecting plates 5 are attached to the two sides of the flange plate at the joint of the beam connecting end 4 and the rectangular steel pipe upright post 1. The setting of edge of a wing side connecting plate 5 can guarantee that the power of crossbeam 2 effectively transmits stand 1 on, and cross slab in the stand 1 can need not setting up, and the node way is simple, and does benefit to interior cast concrete. When concrete is poured into the rectangular steel tube stand column, the stand column is the rectangular steel tube concrete, and the rectangular steel tube concrete can further improve the strength and the bearing capacity of the stand column and even a steel structure as the stand column.
In the assembled steel structure provided by the embodiment of the invention, the cross section of each beam is consistent with the cross section of the connecting end of the beam, and the sum of the width of the flange plate and the thickness of the connecting plates at the two flange sides is not more than the side length of the cross section of the rectangular steel pipe upright column. The width of the flange plate and the thickness of the flange side connecting plate are set to fully ensure that the connection between the cross beam and the stand column is not influenced by the size, so that the assembly efficiency of the assembly type steel structure is improved.
Further, as shown in fig. 4, the cross sections of each beam 2 and the beam connecting end 4 are connected by butt welding, and the webs of each beam 2 and the beam connecting end 4 are connected by bolts through connecting plates 6. The rigid connection strength of the upright post 1 and the cross beam 2 is ensured.
In another embodiment of the invention, the upright is a round steel pipe, and the inner ring plate or the outer ring plate is arranged on the upright at the joint of the beam connecting end and the upright. The inner ring plate or the outer ring plate is arranged on the upright post, so that the strength and the bearing capacity of the post and even a steel structure can be further improved. The inner ring plate is an annular structure reinforcing plate arranged on the inner side of the circular steel pipe, and the outer ring plate is an annular structure reinforcing plate arranged on the outer side of the circular steel pipe; the upright in this embodiment may also be round steel tube concrete, i.e. a round steel tube impregnated with concrete.
In another preferred embodiment of the invention, the upright column is an i-shaped steel column, a cross-shaped steel column, a double-groove-shaped steel column or an L-shaped, T-shaped or groined-shaped special-shaped combined section steel column, and the cross diaphragm is arranged on the upright column at the joint of the connecting end of the cross beam and the upright column. According to the embodiment, a proper upright post is selected according to the actual construction environment, and the arrangement of the diaphragm plate can further improve the strength and the bearing capacity of the post and even the steel structure.
In another embodiment of the present invention, as shown in fig. 5, a connecting member 7 is provided at the connection position of each diagonal brace 32 and the upright 1, the connecting member 7 comprises a T-shaped end plate 71 and an ear plate 72, the T-shaped end plate 71 is connected with the corresponding diagonal brace 32, the ear plate 72 is connected with the beam connecting end 4 of each upright 1, and the T-shaped end plate 71 and the ear plate 72 are hinged by a pin 73. The connecting part 7 is simple in arrangement method, easy to construct, low in precision requirement, capable of automatically finely adjusting the K-shaped support frame and further improving assembly efficiency.
Further, as shown in fig. 5, the joint of each cross beam 2 and the vertical stay 31 is connected by a vertical rod end plate 33 through a bolt, and a stiffening rib 8 is arranged on the cross beam web corresponding to the joint of each cross beam 2 and the vertical stay 31. The vertical rod end plate can enable the connection between the K-shaped support frame and the cross beam to be more fastened, and the arrangement of the stiffening ribs improves the structural strength of the joint of the vertical support rod and the cross beam.
The embodiment of the invention does not specifically limit the selection of the diagonal brace and the vertical brace of the assembled steel structure, and the diagonal brace and the vertical brace can comprise circular steel pipes, square steel pipes, I-shaped steel supports, T-shaped steel supports, L-shaped steel supports, channel-shaped steel supports, cross-shaped steel supports, damper supports, buckling restrained supports and other energy dissipation and shock absorption components. The energy dissipation and shock absorption component is characterized in that an energy dissipater is installed in a structural component, the structural damping is artificially increased, and the vibration energy of the structural component when the structural component is impacted is consumed, so that the vibration reaction of the structure is reduced, and the anti-seismic performance of the structural component is improved.
In the embodiment of the invention, the connecting joint of the connecting ends of the upright columns and the cross beams is determined according to the section form of the upright columns. Specific selection references are as follows: when the upright post is made of rectangular steel pipes or rectangular steel pipe concrete, an inner annular plate or an outer annular plate can be arranged at the joint of the connecting end of the cross beam and the upright post; and flange side connecting plates can be attached to two sides of the flange plate at the beam connecting end, and the sum of the width of the flange plate at the beam connecting end and the thickness of the two flange side connecting plates is not more than the length of the section side of the upright column. When the upright post is a round steel pipe or round steel pipe concrete, the connecting part of the beam connecting end and the upright post is provided with an inner annular plate or an outer annular plate. When the upright column is an I-shaped steel column, a cross H-shaped steel column, a double-groove steel column and an L-shaped, T-shaped or groined-shaped special-shaped combined section steel column, the connecting end of the cross beam and the upright column are connected, and a transverse partition plate is arranged on the upright column.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. An assembled steel structure is characterized by comprising a plurality of vertical columns which are erected in parallel, a plurality of transverse beams which are horizontally arranged and connected with the vertical columns, and K-shaped supporting frames which are arranged corresponding to the joints of the vertical columns and the transverse beams, wherein each K-shaped supporting frame comprises a vertical supporting rod and two inclined supporting rods, each vertical supporting rod is vertically arranged, two ends of each vertical supporting rod are respectively connected with the corresponding transverse beam, the two inclined supporting rods and the vertical supporting rod are arranged in a K shape, one end of each inclined supporting rod is connected to the middle of the corresponding vertical supporting rod, and the other end of each inclined supporting rod is connected with the corresponding vertical column; each upright column corresponds to at least one K-shaped support frame;
a connecting part is arranged at the joint of each inclined stay bar and each upright column, each connecting part comprises a T-shaped end plate and an ear plate, each T-shaped end plate is connected with the corresponding inclined stay bar, each ear plate is connected with the connecting end of the cross beam of each upright column, and the T-shaped end plates are hinged with the ear plates through pin shafts;
the joint of each cross beam and the vertical stay bar is connected through a vertical bar end plate bolt, and a cross beam web plate corresponding to the joint of each cross beam and the vertical stay bar is provided with a stiffening rib;
the plurality of upright columns comprise rectangular steel pipe columns and rectangular steel pipe concrete columns, each cross beam is an I-shaped steel cross beam, a cross beam connecting end is arranged at the connecting position of the side surface of each upright column and each cross beam, and the cross section of the cross beam connecting end is in an I shape; each diagonal brace is connected with the connecting end of the cross beam;
when the stand is rectangle steel pipe or rectangle steel pipe concrete, the laminating sets up flange side connecting plate in crossbeam connection end flange board both sides, and the sum of crossbeam connection end flange board width and two flange side connecting plate thickness is not more than the cross-section length of side of stand.
2. The fabricated steel structure of claim 1, wherein the plurality of columns further comprise circular steel pipe columns, circular steel pipe concrete columns, i-shaped steel columns, cross-shaped steel columns, double channel-shaped steel columns, or L-shaped, T-shaped, groined-shaped profiled composite section steel columns.
3. The fabricated steel structure of claim 2, wherein when the columns are round steel pipes or round steel pipe concrete, the beam connection ends and column connections are provided with inner ring plates on the columns.
4. The fabricated steel structure of claim 2, wherein when the columns are i-shaped steel columns, double-channel shaped steel columns, or L-shaped, T-shaped, or groined-shaped combined section steel columns, the beam connecting ends and the columns are connected by a diaphragm plate disposed on the columns.
5. The fabricated steel structure according to claim 2, wherein each cross member is coupled to a cross-sectional flange of the beam connection end using butt welding, and the web of each cross member is bolted to the web connection end through a connection plate.
6. The assembled steel structure of any one of claims 1 to 5, wherein the diagonal braces and the vertical braces comprise round steel pipes, square steel pipes, I-shaped steel supports, T-shaped steel supports, L-shaped steel supports, channel-shaped steel supports, cross-shaped steel supports, damper supports or buckling restrained braces.
CN201710037677.6A 2017-01-18 2017-01-18 Assembled steel structure Active CN106759893B (en)

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CN107605042B (en) * 2017-09-15 2023-09-26 云南省建设投资控股集团有限公司 Steel construction archaize intermittent mountain roofing building structure system
CN107762161B (en) * 2017-10-17 2019-09-10 新疆农业大学 A kind of energy-saving assembled system of steel residential structure and installation method
CN109914595B (en) * 2019-03-28 2024-03-15 西安建筑科技大学 Assembled steel frame structure supporting node and connecting device thereof
CN111042328A (en) * 2019-12-30 2020-04-21 鞍钢中电建筑科技股份有限公司 Distributed modular anti-side K-support type unit multi-layer frame structure
CN111021572A (en) * 2019-12-30 2020-04-17 鞍钢中电建筑科技股份有限公司 Metal damping type energy consumption K-bracing module type anti-side unit
CN111255119A (en) * 2020-01-19 2020-06-09 鞍钢中电建筑科技股份有限公司 Steel frame structure supporting device, steel frame structure and steel frame structure forming method
CN112031013B (en) * 2020-08-17 2021-08-31 浙江舜杰建筑集团股份有限公司 Assembled foundation unit
CN112982198B (en) * 2021-03-17 2023-05-16 黄河水利职业技术学院 I-steel reinforcing apparatus

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