CN212670971U - Support type arc steel construction all around - Google Patents
Support type arc steel construction all around Download PDFInfo
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- CN212670971U CN212670971U CN202021241938.XU CN202021241938U CN212670971U CN 212670971 U CN212670971 U CN 212670971U CN 202021241938 U CN202021241938 U CN 202021241938U CN 212670971 U CN212670971 U CN 212670971U
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Abstract
The utility model discloses a support type arc steel construction all around, including support column, middle part steel construction, north side steel construction and south side steel construction, the room lid steel construction is constituteed to middle part steel construction, north side steel construction and south side steel construction, and the room lid steel construction is bilateral symmetry structure, and both sides around the middle part steel construction are connected respectively to north side steel construction and south side steel construction, and the free cambered surface structure of middle part steel construction for by the periphery arch to the center, and north side steel construction and south side steel construction are by the free cambered surface structure of both sides arch to the middle part. The roof steel structure adopts a mode of peripheral support and no support arranged in the middle, so that the partition and the encroachment of the support on the indoor space are avoided, and the utilization rate of the indoor space is improved; the roof is arranged to be upward arc-shaped, so that the clear height of the indoor space is improved, and higher facilities are convenient to arrange; the free cambered surface structure has the advantages of high structural strength, difficult deformation, strong external force resistance, high stability, elegant appearance and convenient installation and construction.
Description
Technical Field
The utility model relates to a steel construction technical field, concretely relates to support type arc steel construction all around.
Background
Along with the continuous development of space structure technology, large-span space structure is used as the roof by extensive application on the large building, and large-span roof structure adopts the steel construction now more, has advantages such as the structure dead weight is light, intensity is high, bearing capacity is good, efficiency of construction is high, and the steel construction can adapt to multiple molding, is suitable for different building types, has handsome in appearance's characteristics simultaneously. However, the large-span steel structure is complex in structure and irregular in shape, has the characteristics of large deformation and complex stress under the condition of large span, needs to ensure the manufacturing precision of the steel structure, has higher requirement on precision during installation, and is high in manufacturing and construction difficulty and slow in progress. More and more large-scale monomer buildings appear now and are used as exhibition hall, market or indoor amusement city, and these buildings require highlyr to the interior space, need highly require in indoor reservation bigger space, need reduce bearing structure's quantity as far as, but current steel construction need be in order to guarantee structural strength to avoid warping and need set up multiple support, can't guarantee the utilization of interior space, the utility model provides a support type arc steel construction all around solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a support type arc steel construction all around, the steel construction has that the atress is reasonable, stable in structure is reliable characteristics, and the structural deformation is big when solving the installation of large-span steel construction, the problem of the construction degree of difficulty height, inefficiency.
The utility model provides a technical scheme that above-mentioned technical problem adopted is:
a periphery supporting type arc-shaped steel structure comprises supporting columns and a roof steel structure, wherein the roof steel structure is arranged on a foundation building through the supporting columns, the roof steel structure is bilaterally symmetrical and comprises a middle steel structure, a north steel structure and a south steel structure, the north steel structure and the south steel structure are respectively connected to the front side and the rear side of the middle steel structure, the middle steel structure is a free arc-shaped structure arched from the periphery to the center, and the north steel structure and the south steel structure are free arc-shaped structures arched from the two sides to the middle;
middle part steel construction, north side steel construction and south side steel construction all include truss, bracing and connected node, the truss is vertical setting individual layer frame, and crisscross setting each other forms the steel construction frame, the bracing is established on the surface of steel construction frame along with the shape, connected node establishes the crisscross position at bracing and the crossing position of truss and crossing truss.
Furthermore, the support columns comprise steel structure columns and supports, the steel structure columns are arranged around the middle steel structure at intervals, the bottom ends of the steel structure columns are fixedly connected with box type foundations pre-buried in the foundation building, and the top ends of the steel structure columns are connected with the outer edge of the middle steel structure through the supports; the north side steel structure and the south side steel structure are supported on a foundation building through a support, and the support is arranged in the middle of the north side steel structure and the south side steel structure.
Further, the steel structure columns are arranged on the periphery of the middle steel structure in groups, and each group of steel structure columns are connected with each other through the inclined supporting beams to form a supporting column group.
Further, the support is V type structure, including support one and support two, support one and support two all include base and vaulting pole, the vaulting pole bottom of support one is connected on a base, support two sets up two bases, is equipped with the tie-beam between two bases, be the V type on base and the tie-beam and set up two rows of vaulting poles.
Furthermore, east, west and south sides of the middle steel structure are straight sides, north sides are arc sides, four connecting corners are arc-shaped, the surface of the middle steel structure is a free arc surface arched towards the center, and the middle steel structure is supported on a foundation building through segmented support column groups arranged below the four side edges.
The utility model discloses beneficial effect as follows:
the roof steel structure adopts a mode of peripheral support and no support arranged in the middle, so that the partition and the encroachment of the support on the indoor space are avoided, and the utilization rate of the indoor space is improved; the roof is arranged to be upward arc-shaped, so that the clear height of the indoor space is improved, and higher facilities are convenient to arrange; the free cambered surface structure has high structural strength, is not easy to deform, has strong external force resistance, high stability, attractive and elegant appearance and is convenient to install and construct;
the construction method of partition hoisting is adopted, so that the method is safe, convenient and efficient, saves the investment of a large number of construction facilities and has lower cost; the roof structure is provided with a plurality of support frames and lifting frames, and a batch unloading mode is adopted by matching with the arc-shaped steel structure, so that the huge deformation of the roof steel structure is avoided, and the structure safety is ensured; through the cooperation use of 3D laser scanning technique and BIM technique, promote the efficiency of construction, reduce intensity of labour.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a left side view of the overall structure of the present invention;
fig. 3 is a right side view of the overall structure of the present invention;
fig. 4 is a longitudinal sectional view of the overall structure of the present invention;
fig. 5 is a transverse sectional view of the overall structure of the present invention;
FIG. 6 is a top view of the middle steel structure of the present invention;
FIG. 7 is a top view of the north steel structure of the present invention;
fig. 8 is a top view of the south steel structure of the present invention;
fig. 9 is a schematic view of the connection structure of the steel structure truss of the present invention;
fig. 10 is a schematic structural view of a support column set of the present invention;
fig. 11 is a schematic view of a structure of the support of the present invention;
FIG. 12 is a schematic structural view of a second support of the present invention;
fig. 13 is an exploded view of the lifting partition of the present invention.
Reference numerals: the method comprises the following steps of 1-supporting columns, 11-steel structure columns, 12-supports, 110-diagonal bracing beams, 2-middle steel structures, 21-trusses, 22-diagonal bracing, 23-connecting nodes, 3-north side steel structures and 4-south side steel structures.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The utility model discloses a concrete embodiment is the roof steel construction that the east and west is long 250m, the north and south is long 255m, the elevation is 65m, and middle part steel construction 2 is the east and west long 250m, and the free arc steel construction of the north and south long 150m only sets up multiunit support column 1 around middle part steel construction 2 and supports it, and the stability of relying on the characteristics of structure itself to guarantee building itself is firm. The middle steel structure 2 has the characteristics of large span, standard height, no support in the middle and bilateral symmetry.
As shown in fig. 1, 2, 3, 4, 5, a support type arc steel construction all around, including support column 1 and roof steel construction, the roof steel construction passes through support column 1 and establishes on basic building, the roof steel construction is bilateral symmetry, including middle part steel construction 2, north side steel construction 3 and south side steel construction 4, both sides around middle part steel construction 2 are connected respectively to north side steel construction 3 and south side steel construction 4, middle part steel construction 2 is by the peripheral free arc structure that arches to the center, north side steel construction 3 and south side steel construction 4 are by the free arc structure of both sides to the middle part arch.
As shown in fig. 6, 7, 8 and 9, the middle steel structure 2, the north steel structure 3 and the south steel structure 4 all include a truss 21, an inclined strut 22 and a connection node 23, the truss 21 is a vertical single-layer frame, and the steel structure frame is formed by the mutual staggered arrangement, the inclined strut 22 is arranged on the surface of the steel structure frame along with the shape, and the connection node 23 is arranged at the crossed position of the inclined strut 22 and the truss 21 and the crossed position of the crossed truss 21.
As shown in fig. 9, preferably, the truss 21 is a vertically arranged single-layer truss and is composed of steel pipes, the inclined strut 22 is a steel pipe, and the connection nodes 23 are hollow steel spheres and are connected to each other by welding. The trusses 21 and 21, and the trusses 21 and the diagonal braces 22 are connected through the connecting nodes 23, so that the structural strength is ensured while the structural weight is reduced.
As shown in fig. 1, 6, 7 and 8, further, the support column 1 includes steel structure columns 11 and supports 12, the steel structure columns 11 are arranged around the middle steel structure 2 at intervals, the bottom ends of the steel structure columns are fixedly connected with box-type foundations pre-buried in the foundation building, and the top ends of the steel structure columns are connected with the outer edge of the middle steel structure 2 through the supports 12; the north side steel structure 3 and the south side steel structure 4 are supported on a foundation building through a support 12, and the support 12 is arranged in the middle of the north side steel structure 3 and the south side steel structure 4.
As shown in fig. 1, the steel structure roof of the present invention is divided into three parts, the middle steel structure 2 and the south steel structure 4 and the north steel structure 3 disposed on the north and south sides thereof are both bidirectional orthogonal lattice structures, the middle steel structure 2 is supported by the steel structure columns 11 disposed below the periphery thereof, and the middle part is suspended without support; the south steel structure 4 and the north steel structure 3 are supported by a support 12 provided at the middle thereof. The middle steel structure 2 of the utility model is only provided with supports at the periphery, which effectively ensures the utilization of the indoor space, and the top is arched upwards, thus reserving higher clear height indoors and being convenient for placing facilities indoors; the top is the arc of rounding off, and structural strength is high, and anti external force ability reinforce, the potential safety hazard because structural deformation brings is effectively avoided to the resistance to deformation.
As shown in fig. 10, further, the steel structural columns 11 are arranged in groups on the periphery of the central steel structure 2, and each group of steel structural columns 11 are connected with each other by raker beams 110 to form a support column group.
Preferably, adjacent support column 1 is in groups through bracing beam 110 interconnect, sets up six groups altogether, and the east and west both sides of middle part steel construction 2 respectively set up a set ofly, and north and south both sides each side sets up two sets ofly.
As shown in fig. 11 and 12, further, the support 12 is a V-shaped structure, and includes a first support and a second support, the first support and the second support both include bases and support rods, the bottom end of the support rod of the first support is connected to one base, the second support is provided with two bases, a connecting beam is arranged between the two bases, and two rows of support rods are arranged in a V-shape on the bases and the connecting beam.
Preferably, the base includes square bottom plate and connection ball, connect the ball and establish on square bottom plate, vaulting pole welded connection is on connecting the ball.
As shown in fig. 7 and 8, preferably, four supports 12 are respectively disposed on the north steel structure 3 and the south steel structure 4, two supports one and two supports two are respectively disposed, the support one is disposed on the outer side, and the support two is disposed on the inner side. The north side steel structure 3 and the south side steel structure 4 are supported by the arrangement.
Furthermore, east, west and south sides of the middle steel structure 2 are straight sides, north sides are arc sides, four connecting corners are arc-shaped, the surface of the middle steel structure 2 is a free arc surface arched towards the center, and the middle steel structure 2 is supported on a foundation building through segmented support column groups arranged below the four side edges.
As shown in fig. 13, a construction method of a four-side supported arc-shaped steel structure includes the following steps:
s1, cleaning a construction site, entering and setting up construction equipment, and carrying out data detection and comparison on a foundation building and an installation foundation;
s2, performing construction of the supporting columns 1 on the east and west sides on the surface of the foundation building, and performing scanning detection after the construction is finished;
s3, hoisting the north steel structure 3 and the south steel structure 4 by using the mobile hoisting equipment;
s4, dividing the middle steel structure 2 into a western hoisting region T1, a south hoisting region T2, a north hoisting region T3, an east hoisting region T4, a first lifting region T5, a second lifting region T6 and a third lifting region T7, and erecting a support frame and a lifting frame;
s5, constructing according to the construction sequence of T1 installation of a hoisting west region, T5 assembly of a hoisting first region, T2 of a hoisting south region, T3 installation of a hoisting north region, T4 installation of a hoisting east region, T6 assembly of a hoisting second region, T7 assembly of a hoisting third region, T5 accumulative hoisting of the hoisting first region, T6 accumulative hoisting of the hoisting second region, integral hoisting of the hoisting region and splicing of the hoisting region and the hoisting region;
and S6, disassembling the support frame and the lifting frame, and completing the installation of the steel structure after the disassembly is finished.
Further, in step S2, the steel structural columns 11 are sequentially installed, and then are connected to each other by the raker beams 110 to form a support column group, and the steel structural columns 11 are installed according to the construction sequence of east-west, south-north.
Further, in step S3, when the north steel structure 3 and the south steel structure 4 are installed, they are first divided into single pieces, and then the single pieces are hoisted by truck crane after ground assembly, and temporary supports are set up at the overhanging ends of the segments for fixing.
As shown in fig. 13, in step S4, the first lifting area T5 is a central area of the middle steel structure 2, the second lifting area T6 is an annular structure of an outer ring of the first lifting area T5, the third lifting area T7 is an annular structure of an outer ring of the second lifting area T6, the western lifting area T1, the south lifting area T2, the north lifting area T3, and the east lifting area T4 are four side edges of the middle steel structure 2, and are connected end to end and located outside the third lifting area T7.
Further, in step S5, the split assembly is performed on the ground, and then lifted to the required height by a truck crane for the integral assembly.
Further, in step S5, the specific steps of the partition hoisting construction are as follows:
s51, assembling a T1 hoisting western region, and hoisting the T1 hoisting western region on the basic building roof by using mobile hoisting equipment;
s52, splicing a first lifting area T5, a lifting south area T2, a lifting north area T3 and a lifting east area T4 on the ground, then sequentially lifting the lifting south area T2, the lifting north area T3 and the lifting east area T4 on the roof of the foundation building by using mobile lifting equipment, and connecting the lifting west area T1, the lifting south area T2, the lifting north area T3 and the lifting east area T4 to form an annular lifting area;
s53, splicing the second lifting area T6 at the height H1, lifting the spliced first lifting area T5 to the height H1 integrally, and connecting the first lifting area T5 with the second lifting area T6 to form a middle lifting area;
s54, splicing the three lifting zones T7 at the height H2, then lifting the middle lifting zone to the height H2 from the height H1, and connecting the middle lifting zone to the three lifting zones T7 to form an integral lifting zone;
and S55, lifting the integral lifting area to the height H3 from the height H2, connecting the integral lifting area with the annular lifting area to form a middle steel structure 2, and completing the assembly of the roof steel structure.
Further, in step S6, the unloading operation of the supporting frame and the lifting frame is as follows: firstly, disassembling the frame points of the outer ring support frame, then disassembling the frame points of the inner ring support frame, and finally disassembling the lifting frame point of the center; when the support points of the outer ring support frame are disassembled, one-time unloading is finished; when the inner ring support frame is disassembled, batch unloading is carried out from the middle of the south and north sides to the east and west sides. The unloading sequence of the outer ring and the inner ring is adopted, so that the deformation of the roof steel structure is effectively avoided, and a better anti-pulling effect is achieved.
Further, the unloading operation of the support frame and the lifting frame comprises the following specific steps: and unloading the support frame by a cutting unloading method. Before the structure is hoisted, the unloading special connecting support bracket is arranged at the top of the support, the protecting base plate is arranged at the unloading position corresponding to the main body structure, and the protecting base plate and the unloading connecting support bracket are temporarily fixed. During unloading, the connecting support is cut step by step to realize step-by-step unloading, and the step-by-step unloading amount is controlled by adjusting the height of each cutting; and removing the connecting support and the supporting tower frame, polishing the cutting opening at the position of the protective base plate, and finishing unloading.
Further, after the support column 1 is completely installed in step S2, the position of the support column 1 is scanned by using a scanning device, in step S52, the position and shape of the support column are scanned by using a scanning device after the assembly of the hoisting area and before and after installation, and in steps S53-S55, the position and shape of the support column are scanned by using a scanning device after the assembly of the hoisting area and before and after installation.
And further, after a scanning result is obtained by using scanning equipment, comparing the scanning result with a design model, and changing the design model to adapt to the assembled steel structure.
Preferably, the building structure is scanned by using a 3D laser scanning technology, and a three-dimensional model map is formed. A design model of a building is established through a BIM technology, during construction, laser scanning is carried out on the constructed building before and after stage type construction, an actual building model is obtained to be compared with the design model, and according to a comparison result, a member to be constructed is improved to be in line with the actual construction condition.
The 3D laser scanning technology can be used for directly obtaining a model diagram which is the same as a design model established by the BIM technology, and through software comparison in a computer, the position different from the initial design can be intuitively and quickly analyzed, and the design of the component to be installed is changed in the software, so that the size of the component is consistent when the component is installed. Through the cooperation use between them, when having avoided carrying out the component installation now, need change the processing to the structure temporarily, very big reduction high altitude construction time and operation reduce intensity of labour, are showing and are promoting the efficiency of construction.
The combination of 3D laser scanning technique and BIM technique compares in equipment such as total powerstation, theodolite and the spirit level that the tradition used, saves a large amount of survey and drawing time to utilize corresponding software to handle the scanning result, the quick contrast result that obtains, later design change, use manpower sparingly and promote the efficiency of construction, reduce construction cycle and practice thrift construction cost.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (5)
1. A periphery supporting type arc-shaped steel structure is characterized by comprising supporting columns (1) and a roof steel structure, wherein the roof steel structure is arranged on a foundation building through the supporting columns (1), the roof steel structure is bilaterally symmetrical and comprises a middle steel structure (2), a north steel structure (3) and a south steel structure (4), the north steel structure (3) and the south steel structure (4) are respectively connected to the front side and the rear side of the middle steel structure (2), the middle steel structure (2) is a free arc surface structure arched from the periphery to the center, and the north steel structure (3) and the south steel structure (4) are free arc surface structures arched from two sides to the middle;
the supporting column (1) comprises steel-structure columns (11) and a support (12), the steel-structure columns (11) are arranged around the middle steel structure (2) at intervals, the bottom ends of the steel-structure columns are fixedly connected with box-type foundations pre-buried in a foundation building, and the top ends of the steel-structure columns are connected with the outer edge of the middle steel structure (2) through the support (12);
middle part steel construction (2), north side steel construction (3) and south side steel construction (4) all include truss (21), bracing (22) and connected node (23), truss (21) are vertical to set up the individual layer frame, and crisscross setting each other forms the steel structure frame, the surface at the steel structure frame is established along with the shape to bracing (22), connected node (23) are established at bracing (22) and truss (21) crossing position and the crisscross position of crossing truss (21).
2. The peripherally supported arcuate steel structure of claim 1, wherein: the north side steel structure (3) and the south side steel structure (4) are supported on the foundation building through a support (12), and the support (12) is arranged in the middle of the north side steel structure (3) and the south side steel structure (4).
3. The peripherally supported arcuate steel structure as claimed in claim 2, wherein: the steel structure columns (11) are arranged on the periphery of the middle steel structure (2) in groups, and each group of steel structure columns (11) are connected with each other through the inclined supporting beams (110) to form a supporting column group.
4. The peripherally supported arcuate steel structure as claimed in claim 2, wherein: support (12) are V type structure, including support one and support two, support one and support two all include base and vaulting pole, the vaulting pole bottom of support one is connected on a base, support two sets up two bases, is equipped with the tie-beam between two bases, be the V type on base and the tie-beam and set up two rows of vaulting poles.
5. The peripherally supported arcuate steel structure of claim 3, wherein: east, west and south sides of middle part steel construction (2) are the straight flange, and north side is the arc limit, connects the four corners and is the arc, and its surface is the free cambered surface of arch to the center, middle part steel construction (2) support on basic building through establishing the segmentation support column group below four sides.
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| CN202021241938.XU CN212670971U (en) | 2020-06-30 | 2020-06-30 | Support type arc steel construction all around |
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| CN202021241938.XU CN212670971U (en) | 2020-06-30 | 2020-06-30 | Support type arc steel construction all around |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575582A (en) * | 2023-07-11 | 2023-08-11 | 北京建工四建工程建设有限公司 | High-clearance cantilever combined steel structure roof structure |
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2020
- 2020-06-30 CN CN202021241938.XU patent/CN212670971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116575582A (en) * | 2023-07-11 | 2023-08-11 | 北京建工四建工程建设有限公司 | High-clearance cantilever combined steel structure roof structure |
| CN116575582B (en) * | 2023-07-11 | 2023-09-22 | 北京建工四建工程建设有限公司 | High-clearance cantilever combined steel structure roof structure |
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