CN216142398U - A support frame for large-span construction - Google Patents
A support frame for large-span construction Download PDFInfo
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- CN216142398U CN216142398U CN202121472340.6U CN202121472340U CN216142398U CN 216142398 U CN216142398 U CN 216142398U CN 202121472340 U CN202121472340 U CN 202121472340U CN 216142398 U CN216142398 U CN 216142398U
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Abstract
The utility model relates to a support frame for large-span construction, which comprises a framework layer, wherein an interlayer and a support body positioned in the interlayer are arranged in the framework layer; from top to bottom, a plurality of framework layers form a roof structure with a narrow top and a wide bottom, the framework layers in the roof structure are connected through support rods, and an inclined roof of the roof structure is at least larger than 8 m; the first support structure is arranged along each framework layer, and is used for realizing the support of the framework layer; the second supporting structure extends towards two sides of the roof structure along the framework layer to form a support between the framework layer and the side part of the roof structure or the top of the roof structure; a plurality of supporting points are arranged along the periphery of the roof structure; the supporting rod, the plurality of first supporting structures and the plurality of second supporting structures are fixedly connected at the intersection position to form an integrally connected integrated supporting frame. The utility model ensures the safety of large-span construction through multi-angle multi-direction support.
Description
Technical Field
The utility model relates to the technical field of super-high and inclined plane super-long large-span construction in engineering, in particular to a support frame for large-span construction.
Background
Among the prior art, to structures such as roofing, the structure of general roofing is than higher, but the roofing inclination is than short, so the construction is gone on easily, but when the roofing inclination of construction is too big, adopts conventional support mode to be difficult to satisfy, especially each is independent each other between the bearing structure, and the associativity is few, lacks the support additional strengthening between the solitary layer, leads to the broad span, and the longer roofing construction of inclination has a great deal of potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a support frame for large-span construction, which ensures the support strength of the support frame through integral connection, multi-angle support and support in multiple modes. .
To achieve the above object, the present invention is achieved by the following technical means.
A supporting frame for large-span construction comprises,
the structure layer is internally provided with an interlayer and a support body positioned in the interlayer;
from top to bottom, a plurality of framework layers form a roof structure with a narrow top and a wide bottom, the framework layers in the roof structure are connected through support rods, and an inclined roof of the roof structure is at least larger than 8 m;
the first support structure is formed by arranging at least one horizontal support structure along each framework layer and is used for realizing the support of the framework layers;
a second support structure extending along the frame layer towards both sides of the roof structure to form a support for the frame layer and the side or top of the roof structure, forming the second support structure 400;
follow roofing structure's periphery is equipped with a plurality of strong points, will after a plurality of strong points are connected roofing structure encloses the fender, first bearing structure and bracing piece pass through the strong point and connect, bracing piece, a plurality of crossing fixed connection between first bearing structure and a plurality of second bearing structure forms the integral type support frame of integral connection.
Among this technical scheme, a plurality of framework layers constitute than higher roofing structure, compare in prior art, and roofing structure is higher some, so need set up the supporter in the intermediate layer for solitary framework layer intensity is big, can resist certain pressure, during the construction, can assist the increase in strength.
Among this technical scheme, in every framework layer, set up the first bearing structure of one deck, and then the multilayer stacks when connecting, and whole intensity can be guaranteed, compares in whole one and supports, and support in every layer adds the intraformational supporter of clamp, and in the construction, safety can obtain guaranteeing.
In this technical scheme, bearing structure to and between the strong point, integral connection forms a multiple spot, multi-direction and a plurality of connection structure's support frame, and then face the large-span, still can carry out the construction that corresponds along every first bearing structure, avoid the poor stability's between the large-span problem.
As a further improvement of the present invention, the support body is in contact with each of upper and lower sides of the sandwich layer in a height direction of the sandwich structure to support the sandwich structure from the height direction.
Among this technical scheme, the supporter respectively with all the butt from top to bottom, can accept the application of force simultaneously of upper portion and lower part to can make power can transmit through the supporter, when higher to the large-span inclination, can carry out the resistance that corresponds.
As a further improvement of the utility model, the contact parts of the two sides of the support body and the sandwich structure are respectively provided with an isolation support layer.
Among this technical scheme, increase and keep apart the supporting layer, can enough protect supporter and sandwich structure alone, but also can realize supporting, kill two birds with one stone, keep apart the supporting layer and can choose rubber pad isotructure for use, keep apart.
As a further improvement of the utility model, the support body is a plurality of I-shaped steel plates arranged at intervals along the length direction of the sandwich structure or an I-shaped beam structure with the length equal to the length of the sandwich structure.
In the technical scheme, an I-shaped structure is selected, the upper side and the lower side form an isolation supporting layer, a supporting body is formed in the middle, the width of the two sides is large, and the supporting body in the middle can be protected.
In this technical scheme, the supporter has 2 kinds of structures:
1) the arrangement at intervals is less in material consumption, is suitable for a structure with slightly long length and slightly large span, and realizes integral support in an interval manner;
2) along length direction, and with the I-beam that length is the same, be the structure of integration this moment, be convenient for produce, it is the same with whole span length, support the structure of bigger span.
As a further improvement of the utility model, each layer of framework is provided with a second support structure from bottom to top, and each second support structure extends from the starting point of the framework to the side of the roofing structure or the top of the roofing structure.
In this technical scheme, the second bearing structure extends to lateral part and roofing, and then probably forms the inclined or vertical bearing structure, can ensure the support of lateral part and top. For a structure with a large side inclination, the inclination supporting structure can ensure the strength of the side part of the roof.
As a further improvement of the utility model, the plurality of second supporting structures are divided into a plurality of first inclined supporting rods and a plurality of second inclined supporting rods, the plurality of first inclined supporting rods are parallel to each other, and the plurality of second inclined supporting rods are parallel to each other.
In this technical scheme, the structure of second bearing structure adoption slope adopts the diagonal brace of 2 kinds of different angles simultaneously, and then at the lateral part of roofing structure, all possesses the support, and a plurality of diagonal braces parallel arrangement, and the structure is pleasing to the eye, and easy to produce can increase the support intensity of a certain incline direction simultaneously.
As a further improvement of the present invention, in some of the second support structures, a part of the first diagonal brace intersects with the second diagonal brace, and the first diagonal brace and the second diagonal brace at the intersection form a symmetrical structure with the support bar direction as a symmetry axis.
Among this technical scheme, form symmetrical structure's bracing piece for roofing structure's stability is stronger, and under general condition, roofing structure is symmetrical structure also, and symmetrical diagonal brace, the roofing structure of cooperation symmetry, and intensity is supported and is also realized through the symmetry.
As a further improvement of the present invention, in the roof structure, a reinforcing diagonal brace parallel to the first diagonal brace or the second diagonal brace is further provided at an upper portion of the narrower region.
Among this technical scheme, narrower region, the gradient is great, so need support through consolidating, improve the stability in the construction, and consolidate the diagonal brace, through thickening the pole footpath, perhaps adopt the great support of intensity, and then roofing upper portion, can be by fine support, be convenient for be under construction.
As a further improvement of the utility model, the roof structure is located at the lower part of the wide and narrow area, and a load supporting structure built by a scaffold is also arranged at the supporting point.
In the technical scheme, load supporting structures such as scaffolds are additionally arranged at the bottom, so that on one hand, the scaffolds at the bottom can form a construction platform and the like, and the construction at a high position of the upper part is facilitated; on the other hand, the load support of the upper part can be increased, and the safe construction of the upper part is ensured.
As a further improvement of the utility model, a limiting space is formed at the joint of the support rod and the first support structure and/or the second support structure through a steel tie pipe positioned at the periphery of the first support structure and/or the second support structure, so that the support rod and the square timber on the support rod are fixed in the limiting space.
Among this technical scheme, utilize drawknot steel pipe and square timber etc. can be so that between bracing piece and each bearing structure, through the mode of spacing clamp, by fixed connection, whole big support frame structural stability is better.
Drawings
Fig. 1 is a schematic structural view of a support frame for large-span construction according to the present invention;
FIG. 2 is a layout diagram of the supporting points provided by the present invention;
FIG. 3 is a schematic structural diagram of a framework layer provided by the present invention;
FIG. 4 is a schematic structural view of a joint of the support rods provided by the present invention;
FIG. 5 is a cross-sectional view of a first support structure provided by the present invention;
in the figure:
100. a carcass layer; 110. a support body; 200. a support bar; 210. square wood; 300. a first support structure; 400. a second support structure; 410. a first diagonal brace; 420. a second diagonal brace; 430. drawing the steel pipe; 500. a support point; 600. reinforcing the inclined strut; 700. a load support structure; 800. and (4) bidirectional formwork support.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Example 1
In this embodiment, referring to fig. 1 to 4, a core structure of a support frame for large-span construction is mainly described, including,
the structure comprises a framework layer 100, wherein an interlayer is arranged in the framework layer 100, and a support body 110 is positioned in the interlayer;
from top to bottom, a plurality of framework layers 100 form a roof structure with a narrow top and a wide bottom, the framework layers 100 in the roof structure are connected through support rods 200, and an inclined roof of the roof structure is at least larger than 8 m;
the first supporting structure 300 is formed by arranging at least one horizontal supporting structure along each framework layer 100, and is used for realizing the support of the framework layers 100;
a second support structure 400 extending along the framework layer 100 towards both sides of the roof structure to form a support for the framework layer and the sides of the roof structure or the top of the roof structure, forming the second support structure 400;
follow roofing structure's periphery is equipped with a plurality of strong points 500, will after a plurality of strong points are connected roofing structure encloses the fender, first bearing structure 300 and bracing piece 200 pass through strong points 500 and connect, bracing piece 200, a plurality of crossing fixed connection of department between first bearing structure 300 and a plurality of second bearing structure 400 forms the integral type support frame of integral connection.
In this embodiment, a plurality of framework layers constitute than high roofing structure, compare in prior art, roofing structure is higher a little, so need set up the supporter in the intermediate layer for solitary framework layer intensity is big, can resist certain pressure, during the construction, can assist the increase intensity.
In this embodiment, set up the first bearing structure of one deck in every framework layer, and then when the multilayer stacks the connection, whole intensity can be guaranteed, compares in whole one and supports, and every layer is supported, and the supporter in the intermediate layer in addition, in the construction, safety can be guaranteed.
In this embodiment, supporting structure to and between the strong point, integral connection forms a support frame of a multiple spot, multidirection and a plurality of connection structure, and then face the large-span, still can carry out corresponding construction along every first supporting structure, avoid the poor stability's between the large-span problem.
Example 2
In the present embodiment, the structure of the support body is mainly described.
Referring to fig. 3, the support 110 is abutted against the upper and lower sides of the sandwich structure in the height direction of the sandwich structure, respectively, to support the sandwich structure from the height direction.
In this embodiment, the support body is all with all butt from top to bottom respectively, can accept the upper portion and the lower part application of force simultaneously to can make power can transmit through the support body, to when the large-span inclination is higher, can carry out corresponding resistance.
Specifically, isolation support layers are respectively disposed at the contact positions of the two sides of the support body 110 and the sandwich structure.
In this embodiment, increase and keep apart the supporting layer, can enough protect supporter and sandwich structure alone, but also can realize supporting, kill two birds with one stone, keep apart the supporting layer and can choose for use rubber pad isotructure, keep apart.
In practical use, the supporting body is a plurality of I-shaped steel plates arranged at intervals along the length direction of the sandwich structure, or an I-shaped beam structure with the length equal to that of the sandwich structure.
In this embodiment, select I-shaped structure for use, the upper and lower side forms the isolation supporting layer, and the centre forms the supporter, and the width of both sides is great, can protect the supporter in the centre.
In this embodiment, the support has 2 structures:
1) the arrangement at intervals is less in material consumption, is suitable for a structure with slightly long length and slightly large span, and realizes integral support in an interval manner;
2) along length direction, and with the I-beam that length is the same, be integrated structure this moment, be convenient for produce, with whole span length the same, support structure of bigger span
Further, the frame interlayer is provided with I-shaped steel beam supporting feet, the embedded tie points on the outer side roof of the inclined roof are provided with the supporting feet or the east, the west, the south and the north are communicated with the through long steel pipe tie system to ensure the overall stability, and the suggestion project part is used for encrypting the tie steel pipes in the horizontal direction according to the structure of the inclined roof and is connected with the columns as far as possible.
Example 3
In this embodiment, the second support structure and the like will be mainly described.
Referring to fig. 1, from bottom to top, each layer of the framework layer is provided with a second support structure 400, and each second support structure 400 extends from the starting point of the framework layer 100 to the side of the roof structure or the top of the roof structure.
In this embodiment, the second support structure extends to the sides and roof, possibly forming an inclined or vertical support structure, enabling support of the sides and roof. For a structure with a large side inclination, the inclination supporting structure can ensure the strength of the side part of the roof.
Further, the plurality of second supporting structures 400 are divided into a plurality of first inclined supporting rods 410 and a plurality of second inclined supporting rods 420, wherein the plurality of first inclined supporting rods 410 are parallel to each other, and the plurality of second inclined supporting rods 420 are parallel to each other.
In this embodiment, the second bearing structure adopts the structure of slope, adopts 2 kinds of different angles's diagonal brace simultaneously, and then at roofing structure's lateral part, all possesses the support, and a plurality of diagonal brace parallel arrangement, and the structure is pleasing to the eye, and easy production can increase the support intensity of a certain incline direction simultaneously.
Further, in the plurality of second support structures 400, a part of the first diagonal brace 410 and the second diagonal brace 420 intersect, and the first diagonal brace 410 and the second diagonal brace 420 at the intersection form a symmetrical structure with the support bar direction as a symmetry axis.
In this embodiment, form symmetrical structure's bracing piece for roofing structure's stability is stronger, and under general condition, roofing structure is symmetrical structure also, and symmetrical diagonal brace, the roofing structure of cooperation symmetry, and the intensity is supported and is also realized through the symmetry.
Further, in the roof structure, a reinforcing diagonal brace 600 parallel to the first diagonal brace 410 or the second diagonal brace 420 is further provided at an upper portion of the narrow region.
In this embodiment, narrower region, the gradient is great, so need support through consolidating, improve the stability in the construction, and consolidate the diagonal brace, through thickening the rod footpath, perhaps adopt the great support of intensity, and then roofing upper portion, can be by fine support, be convenient for be under construction.
Specifically, a bidirectional supporting formwork 800 is arranged on the outer side inclined along the roof, and the support of the whole outer side of the roof is realized through the bidirectional supporting formwork 800.
Referring to fig. 1, in the roof structure, there is a load support structure 700 built up by scaffolding at a support point at a lower portion of a wide and narrow area.
In this embodiment, the load support structures 700 such as scaffolds are added at the bottom, on one hand, the scaffolds at the bottom can form a construction platform and the like, so that the construction at the high position of the upper part is facilitated; on the other hand, the load support of the upper part can be increased, and the safe construction of the upper part is ensured.
Further, a limiting space is formed at the joint of the support rod 200 and the first support structure 410 and/or the second support structure 420 through a steel tie tube 430 located at the periphery of the first support structure 410 and/or the second support structure 420, so that the support rod 200 and the square timber 210 on the support rod 200 are fixed in the limiting space.
In this embodiment, utilize drawknot steel pipe and square timber etc. can be so that between bracing piece and each bearing structure, through the mode of spacing clamp, by fixed connection, whole big support frame structural stability is better.
Specifically, referring to fig. 5, the first support structure 300 forms a network of support structure surfaces in the carcass layer when viewed in cross-section. The formed reticular supporting structure surface has certain supporting length and width, and further on the horizontal section, more supporting points and supporting positions can be ensured.
Specifically, the framework layer 100 may have a plurality of framework members formed thereon into a lattice-like framework layer, and then the first support structure is laid across the framework layer, the first support structure being formed into a spider web structure so that there are more support surfaces on the entire framework layer.
Example 4
In this embodiment, description will be given mainly on actual construction.
The project is located on the east side of the Jinxiliang lake park in the Wucheng district of Jinhua city, Zhejiang province, and the total building area is as follows: 5291.49m2The ground building area is as follows: 5291.49m2Underground without layer, underground building area: 0m2Total height of the building floor: 18.45m, the maximum number of layers being 3. Building types: and (5) multi-layer public construction. The use function is as follows: stadium (12# sports center). The main structure types are as follows: reinforced concrete frame structure, special-shaped post frame construction. The construction condition of the project is good, and the surrounding traffic is convenient. Large buildings are not arranged around the project, and the influence on surrounding disturbing residents is small.
The condition of the engineering inclined roof high and large formwork support is summarized as follows:
the construction site of the high formwork erection for the engineering is mainly above a central moving roof layer (the plate surface elevation of the roof layer is 18.00m), the elevation interval is in a region between 18.00m and 30.8m, the inclined roof is designed along the periphery of the roof layer by a circle, the lower part of the inclined roof is provided with a framework sandwich structure (the sandwich structure is designed into a beam-column frame without a plate) at the elevation of 23.0m, and the erection height interval of the formwork erection for the inclined roof is 2m to 12.8 m.
Construction sequence requirements and technical guarantee conditions:
the construction sequence of the main parts of the construction of the structure with the elevation of above 18.0m of the engineering roof layer is as follows: construction of overhanging part below 20.0m (the strength of the overhanging member is 100% later and the next process can be carried out) → construction of sandwich structure (the part of beam-column structure below 23.0 m) → construction of beam-column structure with height of roof 26.0m (including overhanging part beam-slab below 23.99m, the strength of the overhanging part is 100% and the next process can be carried out) → construction of height interval
The construction is carried out on the inclined roof with the thickness of 20.0m (25.2m and 26.4m) to 30.8 m.
The construction key points of the project are as follows:
1. referring to attached figures 1-4, in the scheme, a scaffold is erected above 18.0m of a sales center roof layer, the height of an inclined roof is more than 8m, the scaffold belongs to an ultra-high and ultra-span formwork support, the scaffold is complex in structural form and more in overhanging structure, and the scaffold is erected strictly according to the scheme during construction; referring to fig. 1, a plurality of directional load-bearing elements are provided, including a plurality of parallel frame layers, support rods connecting the frame layers, and a first support structure and a second support structure supporting the entire structure.
2. Because the oblique roofing scaffold is set up more than selling central roof layer 18.0m, can't set up even wall spare, whole support system relies on the post of pouring earlier as firm tie point, for guaranteeing the firm of support system, the following several points should be paid close attention to in scheme establishment and concrete implementation in-process to the project portion:
in the scheme, a high formwork support is carried out after the structural strength of the lower-layer beam column reaches 75%, the high formwork support is carried out after the structural strength of the lower-layer beam column and the panel reaches 75%, the high formwork support is erected after the structural strength of the lower-layer beam column and the panel reaches 100%, and meanwhile, the scaffold of the lower-layer panel cannot be dismantled;
namely: the bottom of the vertical rod (namely the supporting rod) is provided with a through long skid or channel steel. The steel bar pull ring is pre-buried on the layer roof beam with the elevation of 23.00m, the through long channel steel is arranged, and the welding vertical rod supporting feet are arranged on the upper portion of the channel steel, so that the steel pipe diagonal bracing is arranged below the inclined roof formwork support, and the overall stability of the inclined roof formwork support is improved. Meanwhile, steel pipe tie points (similar to the conventional tie point method of an outer scaffold) are pre-embedded at proper positions when 18.0m roof layers are cast and tamped with concrete so as to be used as diagonal bracing support feet when the inclined roof is cast and tamped or an integral tie system of the steel pipe scaffold which is communicated with south, north and west is arranged on the roof layers, and reinforcing measures such as hoops are arranged at beam column positions.
In order to ensure the construction safety of the formwork support, the construction of a main structural column is finished by pouring and tamping, the high formwork support is erected after the strength of the lower-layer beam column and the panel reaches 75%, the inclined roof concrete construction is carried out after the structural strength reaches 100%, and meanwhile, the scaffold of the lower-layer panel is not dismantled. So as to ensure the reliable drawknot and the integral stability of the formwork support.
During construction, attention should be paid to the overall stability of the formwork support, the arrangement of the horizontal cross braces and the vertical cross braces is strictly controlled, and meanwhile, the tie with a building is strengthened, so that the construction safety is guaranteed.
The pillar is used as a supporting point of the whole support, construction is needed first, and due to the fact that the pillar is high in height, erection and supporting stability of the support during construction are one of important points of scheme consideration;
the corresponding test measures at this time are as follows:
the bottom of the support rod is provided with a through long skid or channel steel. The steel bar pull ring is pre-buried on the layer roof beam with the elevation of 23.00m, the through long channel steel is arranged, and the welding vertical rod supporting feet are arranged on the upper portion of the channel steel, so that the steel pipe diagonal bracing is arranged below the inclined roof formwork support, and the overall stability of the inclined roof formwork support is improved. Meanwhile, steel pipe tie points (similar to the conventional tie point method of an outer scaffold) are pre-embedded at proper positions when 18.0m roof layers are cast and tamped with concrete so as to be used as diagonal bracing support feet when the inclined roof is cast and tamped or an integral tie system of the steel pipe scaffold which is communicated with south, north and west is arranged on the roof layers, and reinforcing measures such as hoops are arranged at beam column positions.
In order to ensure the construction safety of the formwork support, the construction of the main structure column is finished by pouring and tamping, and the construction of the beam and inclined roof formwork support is carried out after the column structure reaches over 75 percent of strength. So as to ensure the reliable drawknot and the integral stability of the formwork support.
In the scheme, the concrete of the roof cantilever structure is symmetrically poured with the concrete of the inner side structure, and in order to ensure safety, the cantilever scaffold is designed and erected by considering the load meeting the standard regulation and fully considering the variable load during construction, so that the safety coefficient is increased;
the counter measures are as follows: all the supports of the framework are connected into a whole and are reinforced by inclined supports, and interlayers at the east and west sides are erected by full framing, so that the stability of the frame body is improved; meanwhile, the arrangement of the pile load of the scaffold and the distance between wall connecting pieces is strictly controlled, and the allowance of checking coefficient is ensured
And (IV) the height of the inclined roof is 8m-12.8m, the load in the outward horizontal direction is generated on the whole bracket system when concrete is poured, and the horizontal load is continuously increased along with the pouring of the concrete. In the scheme, I-steel beam supporting feet are arranged on an interlayer of a framework, supporting feet are arranged on a pre-buried pull joint on a roof on the outer side of the inclined roof or a through long steel pipe tie system is arranged in a through manner in the east-west-south-north direction to ensure the overall stability, and besides the measures, a project part is suggested to encrypt the tie steel pipes in the horizontal direction according to the structure of the inclined roof and connect the tie steel pipes with columns as much as possible;
the counter measures are as follows: a cross brace is arranged to be horizontal and vertical, and the detailed figure 1 is shown in the figure.
Specifically, the method comprises the following steps: the erection space of the upright stanchions of the formwork support at the lower layer of the high formwork part is 850mm multiplied by 850mm, the upright stanchions need to be consistent with the upper and lower positions of the upright stanchions of the high formwork at the upper layer (the upright stanchions are vertically and firmly connected), and the formwork support at the lower layer and the floor slab template are strictly forbidden to be dismantled before the construction of the high formwork so as to ensure the stress transmission of the formwork support system at the upper layer and prevent the generation of floor slab cracks. Meanwhile, the deformation condition of the formwork supporting system is observed in real time during construction. And a base plate is arranged at the bottom of the upright rod of the high formwork.
3. After the inclined roof support is erected, the inclined roof support must be checked and accepted strictly according to a scheme and specifications, a specially-assigned person is dispatched to observe a support system in the structural construction process, problems are reported in time, meanwhile, concrete pouring is carefully finished, the concrete pouring rate is controlled, the inclined roof is symmetrically poured, and the load of the support in the horizontal direction is reduced as much as possible;
the counter measures are as follows: and executing according to the requirements strictly, and performing bottom-crossing, acceptance inspection, supervision and observation on the framework layer by establishing a safety packet protection small group at the project department.
4. The high-support formwork erection and inclined roof structure construction belong to dangerous major subsection project, except that the construction personnel are carefully handed over, an obvious notice board is required to be arranged on site, and a safety worker must go to a side station in the whole process during construction;
the counter measures are as follows: and performing strictly as required.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A supporting frame for large-span construction is characterized by comprising,
the structure layer is internally provided with an interlayer and a support body positioned in the interlayer;
from top to bottom, a plurality of framework layers form a roof structure with a narrow top and a wide bottom, the framework layers in the roof structure are connected through support rods, and an inclined roof of the roof structure is at least larger than 8 m;
the first support structure is formed by arranging at least one layer of first support structure along each framework layer and is used for realizing the support of the framework layers;
the second support structure extends towards two sides of the roof structure along the framework layer to form a support between the framework layer and the side part of the roof structure or the top of the roof structure, so that the second support structure is formed;
follow roofing structure's periphery is equipped with a plurality of strong points, will after a plurality of strong points are connected roofing structure encloses the fender, first bearing structure and bracing piece pass through the strong point and connect, bracing piece, a plurality of crossing fixed connection between first bearing structure and a plurality of second bearing structure forms the integral type support frame of integral connection.
2. The support frame for large-span construction according to claim 1, wherein the support body abuts against the upper and lower sides of the sandwich structure in a height direction of the sandwich structure, respectively, to support the sandwich structure from the height direction.
3. The supporting frame for large-span construction according to claim 2, wherein an isolating supporting layer is respectively arranged at the contact part of the two sides of the supporting body and the sandwich structure.
4. The support frame for large-span construction according to claim 3, wherein the support body is a plurality of I-shaped steel plates arranged at intervals along the length direction of the sandwich structure, or an I-shaped beam structure with the length equal to that of the sandwich structure.
5. The support frame for large-span construction according to claim 1, wherein the frame layer of each layer is provided with a second support structure from bottom to top, and each second support structure extends from the frame layer of the starting point to the side of the roof structure or the top of the roof structure.
6. The support frame of claim 5, wherein the plurality of second support structures are divided into a plurality of first diagonal support rods and a plurality of second diagonal support rods, the plurality of first diagonal support rods are parallel to each other, and the plurality of second diagonal support rods are parallel to each other.
7. The support frame for large-span construction according to claim 6, wherein a part of the first diagonal brace and the second diagonal brace in the second plurality of support structures intersect, and the first diagonal brace and the second diagonal brace at the intersection form a symmetrical structure with the support bar direction as a symmetry axis.
8. The support frame for large-span construction according to claim 7, wherein a reinforcing diagonal brace is further provided in the roof structure in parallel with the first diagonal brace or the second diagonal brace at an upper portion of the narrow area.
9. A support frame for use in large span construction according to any one of claims 1 to 8, wherein the roof structure is located at the lower part of the wide and narrow area, and there is a load support structure built up by scaffolding at the support points.
10. The support frame for large-span construction according to any one of claims 1 to 8, wherein a limiting space is formed at a connection part of the support bar and the first support structure and/or the second support structure by a steel tie pipe located at the periphery of the first support structure and/or the second support structure, so that the support bar and the square lumber on the support bar are fixed in the limiting space.
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| CN202121472340.6U CN216142398U (en) | 2021-06-30 | 2021-06-30 | A support frame for large-span construction |
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| CN202121472340.6U CN216142398U (en) | 2021-06-30 | 2021-06-30 | A support frame for large-span construction |
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| CN202121472340.6U Active CN216142398U (en) | 2021-06-30 | 2021-06-30 | A support frame for large-span construction |
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