CN116971613A - Construction device and construction method for suspension steel structure - Google Patents
Construction device and construction method for suspension steel structure Download PDFInfo
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- CN116971613A CN116971613A CN202311180460.2A CN202311180460A CN116971613A CN 116971613 A CN116971613 A CN 116971613A CN 202311180460 A CN202311180460 A CN 202311180460A CN 116971613 A CN116971613 A CN 116971613A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/163—Jacks specially adapted for working-up building elements
-
- 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
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the technical field of building construction and discloses a construction device and a construction method of a suspension steel structure, wherein the suspension steel structure comprises a lifting layer and a non-lifting layer, the construction device of the suspension steel structure comprises a core tube, a node supporting structure, a bottom temporary supporting structure, a roof steel truss and a roof lifting structure, the node supporting structure is arranged between the lifting layer and the non-lifting layer, the node supporting structure comprises a connecting plate, one end of the connecting plate is detachably connected with the non-lifting layer, and the other end of the connecting plate is detachably connected with the lifting layer; the bottom temporary support structure is arranged around the core tube and can support the lifting layer; the roof steel truss is arranged at the top of the core tube and fixedly connected with the non-lifting layer; the roofing lifting structure is arranged on the roofing steel truss and can be connected with the lifting layer so as to lift the lifting layer in situ. The invention also discloses a construction method of the suspension steel structure, which utilizes the construction device of the suspension steel structure to carry out construction, and the construction difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a suspension steel structure construction device and a construction method.
Background
For high-rise buildings, the roof steel truss structure is often supported at the top of the core tube, and floor loads are accumulated and transferred to the roof steel truss layer by layer through structural steel columns of the hanging layers and then transferred to the foundation through the core tube. The hanging steel structure consists of a plurality of hanging floor structures, and is gradually and widely applied by virtue of the advantages of definite stress, small section of the steel column, large floor space and the like.
The most common construction method of the suspension steel structure system is a forward construction method, the suspension steel structure is constructed layer by layer from bottom to top and is connected with a roof steel truss, then the suspension steel structure is subjected to passive unloading so as to achieve the conversion of the stress state of an outer frame floor, when the method is used for construction, the stress of the suspension steel structure can be converted, but the vertical deformation value of the floor is difficult to control, the method is suitable for a suspension structure with local floors or fewer suspension floors, and for an ultra-high-rise full-floor suspension structure, the vertical deformation value is large because the component stress is increased along with the increase of the floor, and the passive unloading is not suitable any more.
At present, when the super-high full-floor suspension type structure is constructed, the following method is mainly adopted: after the hanging steel structure is constructed layer by layer from bottom to top by adopting the forward construction method, temporary supporting steel columns are arranged on the hanging steel structure, then the subsequent installation of the roof steel truss is carried out, after the installation of the roof steel truss is completed, the temporary supporting steel columns are taken off, the whole hanging steel structure is lifted in situ, the stress state conversion of the hanging steel structure is completed, and after the lifting is completed, a section of structural steel column is embedded and supplemented between the hanging steel structure and the roof steel truss, and the building-in is completed. In the method, deformation between floors is difficult to control after the whole hanging steel structure is lifted, the length of the structural steel column is difficult to determine, the embedding difficulty of the structural steel column is increased, and the construction efficiency of the hanging structure is affected.
Disclosure of Invention
The invention aims to provide a construction device for a suspension steel structure, which is used for constructing the suspension steel structure, can finish the stress state conversion of the suspension steel structure and has low construction difficulty.
To achieve the purpose, the invention adopts the following technical scheme:
the construction device for the suspension steel structure is used for constructing the suspension steel structure, the suspension steel structure comprises a lifting layer and a non-lifting layer, the construction device for the suspension steel structure comprises a core tube, a node supporting structure, a bottom temporary supporting structure, a roof steel truss and a roof lifting structure, the node supporting structure is arranged between the lifting layer and the non-lifting layer, the node supporting structure comprises a connecting plate, one end of the connecting plate is detachably connected with the non-lifting layer, and the other end of the connecting plate is detachably connected with the lifting layer; the bottom temporary support structure is arranged around the core tube and can support the lifting layer; the roof steel truss is arranged at the top of the core tube and fixedly connected with the non-lifting layer; the roof lifting structure is arranged on the roof steel truss and can be connected with the lifting layer so as to lift the lifting layer in situ.
Preferably, two ends of the connecting plate are detachably connected with the structural steel column of the non-lifting layer and the structural steel column of the lifting layer through fasteners respectively.
Preferably, the roof lifting structure comprises a power lifting device and a flexible lifting wire, wherein one end of the flexible lifting wire is connected with the power lifting device, and the other end of the flexible lifting wire can be connected with the lifting layer.
Preferably, the power lifting device is a jack, and the flexible lifting wire is a steel strand.
Preferably, a plurality of groups of power lifting devices are arranged on the roof steel truss, the flexible lifting lines are arranged in one-to-one correspondence with the power lifting devices, and the power lifting devices can synchronously lift the non-lifting layers.
Another object of the present invention is to provide a construction method of a suspension steel structure, wherein the construction is performed by using the construction device of the suspension steel structure, and the construction method specifically includes the following steps:
providing a bottom temporary support structure and a core tube structure, the bottom temporary support structure being disposed around the core tube structure;
sequentially constructing steel structures of all floors to m layers from bottom to top on the bottom temporary supporting structure, wherein n is more than m and more than 0, n is the total number of suspended floors, and m is a constant;
installing a connecting plate on a structural steel column of the m-th layer steel structure by using a fastener;
a supporting steel column is detachably connected to the top end of the connecting plate, a gap exists between the supporting steel column and a structural steel column of an m-th layer steel structure, construction of a roof steel truss and more than m layers of steel structures is continued, the connecting plate is taken as a boundary, the steel structure below the connecting plate is taken as the lifting layer, the steel structure above the connecting plate is taken as the non-lifting layer, and the supporting steel column is taken as the structural steel column of the non-lifting layer, so that the roof steel truss can be supported;
dismantling the connecting plate to finish unloading of the non-lifting layer and the roof steel truss;
installing a roof lifting structure on the roof steel truss, connecting the roof lifting structure with the lifting layer, and carrying out in-situ lifting on the lifting layer;
after the lifting is finished, fixedly connecting a structural steel column and a supporting steel column of the lifting layer, so that the lifting layer and the non-lifting layer are fixedly connected into a whole;
and unloading the bottom temporary supporting structure and the roof lifting structure to finish floor suspension type steel structure construction.
Preferably, after the lifting is completed, the structural steel column and the supporting steel column of the lifting layer are connected by using the connecting plate and the fastening piece, and a plurality of mounting holes which are arranged along the axial direction of the core cylinder at intervals and used for the fastening piece to pass through are formed in the connecting plate.
Preferably, when the roof lifting structure is connected with the lifting layer, the m-th layer steel structure is connected.
Preferably, the non-lifting layer is constructed by a reverse construction method.
Preferably, 3.gtoreq.n-m > 0.
The invention has the beneficial effects that: according to the construction device and the construction method for the suspension steel structure, the suspension steel structure is divided into the lifting layer and the non-lifting layer for construction respectively, the lifting layer and the non-lifting layer are detachably connected by the node temporary supporting device, when the node temporary supports and unloads and lifts the lifting layer in situ, the gap between the lifting layer and the non-lifting layer disappears, the temporary supporting steel column is not needed to be used for embedding and repairing, the material loss of the temporary supporting steel column is avoided, the construction of the suspension steel structure is simplified, and the construction difficulty and the construction cost are reduced.
Drawings
FIG. 1 is a schematic construction view of a bottom temporary support structure in an embodiment of the invention;
FIG. 2 is a schematic illustration of the construction of a lift layer in an embodiment of the present invention;
FIG. 3 is a schematic construction diagram of a connection between a lifting layer and a supporting steel column through a node supporting structure in an embodiment of the invention;
FIG. 4 is a schematic view of a node support structure according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of the unloading of a node support structure in an embodiment of the invention;
FIG. 6 is a schematic illustration of in-situ pulling of a lift layer in an embodiment of the present invention;
FIG. 7 is a schematic illustration of a construction in which a pulling layer is fixedly connected with a non-pulling layer in an embodiment of the present invention;
fig. 8 is a schematic view of the unloading of the bottom temporary support structure in an embodiment of the invention.
In the figure: 1. a core tube; 2. a bottom temporary support structure; 3. a node support structure; 31. a connecting plate; 32. a fastener; 4. roof steel truss; 5. a roof lifting structure;
10. lifting the layer; 20. a non-lifting layer; 21. and supporting the steel column.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Fig. 1 to 8 show a construction device and a construction method for a suspension steel structure according to one embodiment of the present invention, where the construction device is capable of completing installation of the suspension steel structure, and the suspension steel structure includes two parts, namely a lifting layer 10 and a non-lifting layer 20, which are separately arranged, and the construction device for the suspension steel structure includes a core tube 1, a bottom temporary support structure 2, a roof steel truss 4, a node support structure 3, and a roof lifting structure 5. The core section of thick bamboo 1 sets up along vertical direction, as the construction basis of hanging steel construction, the non-layer 20 that draws of hanging steel construction and the layer 10 that draws are all encircleed core section of thick bamboo 1 construction, the bottom temporary support structure 2 uses core section of thick bamboo 1 to encircle core section of thick bamboo 1 bottom setting, the layer 10 that draws is from bottom temporary support structure 2 top construction, bottom temporary support structure 2 can support the layer 10 that draws, roofing steel truss 4 then sets up in the top of core section of thick bamboo 1, non-layer 20 that draws sets up in roofing steel truss 4 below and with roofing steel truss 4 rigid coupling, node bearing structure 3 includes connecting plate 31, connecting plate 31 one end is connected with drawing layer 10 can be dismantled, the other end is connected with non-layer 20 that draws, connecting plate 31 can be with the pressure transmission of non-layer 20 that draws to drawing layer 10, moreover, the setting up of connecting plate 31 can make and draw layer 10 and non-layer 20 between the formation clearance, for the later stage provides vertical deformation space, roofing lifting structure 5 sets up on roofing steel truss 4 and can be connected with layer 10 that draws layer 10, in order to carry out normal position to promote layer 10.
According to the suspension steel structure construction device, the suspension steel structure to be constructed is divided into the lifting layer 10 and the non-lifting layer 20 by the connecting plate 31, pressure is transmitted to the lifting layer 10 from the non-lifting layer 20 during construction of the non-lifting layer 20 and the roof steel truss 4, so that support is provided for the non-lifting layer 20, after construction is completed, the connecting plate 31 is removed, the lifting layer 10 is lifted in situ, a gap between the non-lifting layer 20 and the lifting layer 10 disappears under the vertical deformation of the non-lifting layer 20 and the in-situ lifting action of the lifting layer 10, the non-lifting layer 20 is fixedly connected with the lifting layer 10 so that the non-lifting layer 20 and the lifting layer 10 are connected into a whole, a structural steel column is not required to be embedded between the non-lifting layer 20 and the lifting layer 10, and construction cost and construction difficulty are reduced.
In this embodiment, one end of the connecting plate 31 is detachably connected to the structural steel column of the non-lifting layer 20 through the fastening member 32, and the other end is detachably connected to the structural steel column of the lifting layer 10 through the fastening member 32. The fastening piece 32 is exemplified by high-strength bolts, a plurality of fastening pieces 32 are arranged at intervals along the axial direction of the structural steel columns, the two ends of the length of the connecting plate 31 are respectively connected with the structural steel columns of the lifting layer 10 and the structural steel columns of the non-lifting layer 20, and meanwhile, one side of the connecting plate 31 is also provided with reinforcing ribs so as to meet the load requirements of bearing the roof steel truss 4 and the non-lifting layer 20.
The roof lifting structure 5 in this embodiment includes a power lifting device and a flexible lifting wire, one end of which is connected to the power lifting device, and the other end of which is connected to the lifting layer 10. Alternatively, the power lifting device may be a jack or an electric hoist. In this embodiment, the power lifting device is a jack, and at this time, the flexible lifting wire is a steel strand. The power lifting equipment sets up the multiunit on roofing steel truss 4 interval, and flexible lifting line and power lifting equipment one-to-one are when carrying out the pulling to pulling layer 10, and the synchronous pulling layer 10 that promotes of control all power lifting equipment guarantees to carry the pulling layer 10 atress stability.
In another embodiment of the present invention, a construction method of a suspension steel structure is further provided, and construction is performed by using the construction device of a suspension steel structure, where the construction method specifically includes the following steps:
s1, a bottom temporary supporting structure 2 and a core tube 1 are arranged, wherein the core tube 1 is positioned at the center of the bottom temporary supporting structure 2, the height of the bottom temporary supporting structure 2 is required to meet the demand of a designed suspension steel structure, and the bottom temporary supporting structure can be a steel structure or a reinforced concrete structure.
S2, the steel structure of each floor is constructed to m layers from bottom to top on the bottom temporary supporting structure 2, n is more than m and more than 0, n is the total number of suspended floors, and m is a constant.
S3, installing a connecting plate 31 on a structural steel column of the m-th layer steel structure by using a fastener 32;
s4, the supporting steel column 21 is detachably connected to the top end of the connecting plate 31, a gap exists between the supporting steel column 21 and the structural steel column of the m-th layer steel structure, the roof steel truss 4 and the m-th layer or more steel structures are continuously constructed, the connecting plate 31 is used as a boundary, the suspended steel structure below the connecting plate 31 is used as the lifting layer 10, the suspended steel structure above the connecting plate 31 is used as the non-lifting layer 20, the supporting steel column 21 is used as the structural steel column of the non-lifting layer, the roof steel truss 4 can be supported, the pressure of the non-lifting layer 20 is transmitted to the steel structure of the lifting layer 10 by the connecting plate 31, the connecting plate 31 plays a role of temporary supporting, and a certain gap exists between the lifting layer 10 and the non-lifting layer 20 in the axial direction of the core tube 1, and the gap is set according to the vertical deformation obtained by the simulation analysis in the construction earlier stage (the vertical deformation comprises the vertical deformation value of the lifting layer 10 and the vertical deformation value of the non-lifting layer 20 after unloading).
In this embodiment, 3. Gtoreq.n-m > 0 is taken into account in view of the degree of controllable vertical deformation of the non-tensile layer 20 and the roof steel truss 4.
In this step, when the number of layers of the non-lifting layer 20 is more than 2, the non-lifting layer 20 is constructed by adopting a reverse construction method, so that the non-lifting layer 20 is in a tensioned state, and the later stressed state conversion is avoided, that is, the construction of the suspension steel structure in the embodiment is performed by adopting a forward and reverse combination mode.
Specifically, two ends of the connecting plate 31 in the node supporting structure 3 are detachably connected with the lifting layer 10 and the supporting steel column 21 through high-strength bolts respectively. It should be noted that the high strength bolts are finished at this stage.
And S5, dismantling the node support structure 3 to finish unloading of the non-lifting layer 20 and the roof steel truss 4.
S6, installing a roof lifting structure 5 on the roof steel truss 4, connecting the roof lifting structure 5 with the lifting layer 10, and carrying out in-situ lifting on the lifting layer 10. Specifically, the roof lifting structure 5 is connected with the n-m layer of the lifting layer 10 to realize lifting of all floors of the lifting layer 10, so as to complete conversion of the lifting layer 10 from a pressed state to a pulled state.
S7, fixedly connecting a structural steel column and a supporting steel column 21 of the lifting layer 10, so that the lifting layer 10 and the non-lifting layer 20 are fixedly connected into a whole. It can be understood that the gap between the non-lifting layer 20 and the lifting layer 10 disappears under the vertical deformation action of the non-lifting layer 20 and the in-situ lifting deformation action of the lifting layer 10, and at this time, the two structural steel columns can be connected by welding. Or, in this embodiment, the structural steel columns and the supporting steel columns 21 of the lifting layer 10 are still connected by the connecting plates 31 in cooperation with bolts, so as to improve the utilization efficiency of the connecting plates 31 and reduce the construction cost. It should be emphasized that the connection plate 31 is provided with a plurality of mounting holes spaced apart along the axial direction of the core tube 1 for high-strength bolts to pass through.
S8, unloading the bottom temporary supporting structure 2, fully releasing residual stress of the lifting layer 10 structure, and synchronously unloading the roof lifting structure 5 to finish floor suspension type steel structure construction.
In the construction method of the suspension steel structure, the node supporting structure 3 is put into use, so that the structural steel column of the non-lifting layer 20 is directly used as the construction support of the roof steel truss 4, the temporary supporting steel column in the prior art is replaced, the replacement between the temporary supporting steel column and the structural steel column is not needed in the later period, the temporary supporting measure under the lifting working condition of the suspension steel structure is greatly optimized, and the construction difficulty is reduced.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. The utility model provides a hang steel construction equipment for the construction hangs the steel construction, hang the steel construction and include and carry and draw layer (10) and non-carry and draw layer (20), its characterized in that, this hang steel construction equipment includes:
the node support structure (3) is arranged between the lifting layer (10) and the non-lifting layer (20), the node support structure (3) comprises a connecting plate (31), one end of the connecting plate (31) is detachably connected with the non-lifting layer (20), and the other end of the connecting plate (31) is detachably connected with the lifting layer (10);
a core tube (1);
-a bottom temporary support structure (2) arranged around the core tube (1) and able to support the lifting layer (10);
the roof steel truss (4) is arranged at the top of the core tube (1) and fixedly connected with the non-lifting layer (20);
roof lifting structure (5), set up in on roofing steel truss (4) and can with carry and draw layer (10) to be connected, in order to carry out normal position and promote layer (10).
2. The suspension steel structure construction device according to claim 1, wherein both ends of the connection plate (31) are connected with the structural steel column of the lifting layer (10) and the structural steel column of the non-lifting layer (20) through fasteners (32), respectively.
3. Suspension steel structure construction device according to claim 2, characterized in that the roof lifting structure (5) comprises a power lifting device and a flexible lifting wire, one end of which is connected to the power lifting device and the other end of which is connectable to the lifting layer (10).
4. A suspension steel structure construction device according to claim 3, wherein the power lifting means is a jack and the flexible lifting wire is a steel strand.
5. A suspension steel structure construction device according to claim 3, wherein a plurality of groups of power lifting devices are arranged on the roof steel truss (4), the flexible lifting lines are arranged in one-to-one correspondence with the power lifting devices, and the plurality of groups of power lifting devices can synchronously lift the non-lifting layer (20).
6. Construction method of a suspended steel structure, characterized in that the construction is performed by using a construction device of a suspended steel structure according to any one of claims 2-5, the construction method comprising in particular the steps of:
-providing a bottom temporary support structure (2) and a core tube (1), the bottom temporary support structure (2) being arranged around the core tube (1);
the steel structure of each floor is constructed to m layers from bottom to top on the bottom temporary supporting structure (2), n is the total number of suspended floors, m is a constant, and n is more than m is more than 0;
installing a connecting plate (31) on a structural steel column of the m-th layer steel structure by using a fastener (32);
the support steel column (21) is detachably connected to the top end of the connecting plate (31), a gap exists between the support steel column (21) and the structural steel column of the m-th layer, a roof steel truss (4) and more than m layers of steel structures are continuously constructed, the connecting plate (31) is used as a boundary, the steel structure below the connecting plate (31) is the lifting layer (10), the steel structure above the connecting plate (31) is the non-lifting layer (20), and the support steel column (21) is used as the structural steel column of the non-lifting layer (20) and can support the roof steel truss (4);
removing the connecting plates (31) to finish unloading of the non-lifting layer (20) and the roof steel truss (4);
a roof lifting structure (5) is arranged on the roof steel truss (4), the roof lifting structure (5) is connected with the lifting layer (10), and the lifting layer (10) is lifted in situ;
after the lifting is finished, fixedly connecting a structural steel column and a supporting steel column (21) of the lifting layer (10), and fixedly connecting the lifting layer (10) and the non-lifting layer (20) into a whole;
and unloading the bottom temporary supporting structure (2) and the roof lifting structure (5) to finish floor suspension type steel structure construction.
7. The construction method of the suspension steel structure according to claim 6, wherein after the completion of the lifting, the structural steel column and the supporting steel column (21) of the lifting layer (10) are fixedly connected by using the connecting plate (31) and the fastening piece (32), and a plurality of mounting holes for the fastening piece (32) to pass through are formed in the connecting plate (31) at intervals along the axial direction of the core tube (1).
8. Construction method of a suspended steel structure according to claim 6, characterized in that the m-th steel structure is connected when the roof lifting structure (5) is connected to the lifting layer (10).
9. The method of construction of a suspended steel structure according to claim 6, characterized in that the non-lifting layer (20) is constructed using a reverse construction method.
10. The method of construction of a suspension steel structure according to claim 6, wherein 3. Gtoreq.n-m > 0.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311180460.2A CN116971613A (en) | 2023-09-13 | 2023-09-13 | Construction device and construction method for suspension steel structure |
| PCT/CN2024/114687 WO2025055712A1 (en) | 2023-09-13 | 2024-08-27 | Suspended steel structure construction device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311180460.2A CN116971613A (en) | 2023-09-13 | 2023-09-13 | Construction device and construction method for suspension steel structure |
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| CN116971613A true CN116971613A (en) | 2023-10-31 |
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| CN202311180460.2A Pending CN116971613A (en) | 2023-09-13 | 2023-09-13 | Construction device and construction method for suspension steel structure |
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| WO (1) | WO2025055712A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025055712A1 (en) * | 2023-09-13 | 2025-03-20 | 上海市机械施工集团有限公司 | Suspended steel structure construction device and construction method |
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| JP3464817B2 (en) * | 1994-02-07 | 2003-11-10 | 株式会社竹中工務店 | How to build a building |
| CN108343157A (en) * | 2018-01-22 | 2018-07-31 | 燕山大学 | Inverse construction method for steel truss conversion layer Construction control |
| CN109098284A (en) * | 2018-08-31 | 2018-12-28 | 中建三局第建设工程有限责任公司 | A kind of steel construction davit and its stress conversion construction method |
| CN113718955A (en) * | 2021-08-17 | 2021-11-30 | 中建科工集团有限公司 | Construction method of giant asymmetric suspension pure steel structure tower |
| CN115467417A (en) * | 2022-10-19 | 2022-12-13 | 上海市机械施工集团有限公司 | Construction method of suspension steel structure |
| CN115559415A (en) * | 2022-10-20 | 2023-01-03 | 上海市机械施工集团有限公司 | Construction method of steel structure combined system |
| CN116971613A (en) * | 2023-09-13 | 2023-10-31 | 上海市机械施工集团有限公司 | Construction device and construction method for suspension steel structure |
-
2023
- 2023-09-13 CN CN202311180460.2A patent/CN116971613A/en active Pending
-
2024
- 2024-08-27 WO PCT/CN2024/114687 patent/WO2025055712A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025055712A1 (en) * | 2023-09-13 | 2025-03-20 | 上海市机械施工集团有限公司 | Suspended steel structure construction device and construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2025055712A1 (en) | 2025-03-20 |
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