CN113293932A - Steel bar net frame of support-free folded plate type plate member - Google Patents
Steel bar net frame of support-free folded plate type plate member Download PDFInfo
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- CN113293932A CN113293932A CN202110732012.3A CN202110732012A CN113293932A CN 113293932 A CN113293932 A CN 113293932A CN 202110732012 A CN202110732012 A CN 202110732012A CN 113293932 A CN113293932 A CN 113293932A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 161
- 239000010959 steel Substances 0.000 title claims abstract description 161
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 46
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 230000002787 reinforcement Effects 0.000 claims description 18
- 238000005452 bending Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- 239000004567 concrete Substances 0.000 abstract description 30
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 10
- 238000009415 formwork Methods 0.000 description 9
- 239000011150 reinforced concrete Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000009417 prefabrication Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
- E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
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Abstract
The invention discloses a support-free folded plate type steel bar net rack of a structural member. The steel bar framework comprises a plate type bidirectional bearing steel bar framework, a main framework and a secondary framework which are respectively arranged along two vertical directions and respectively comprise framework upper and lower chord steel bars and framework diagonal web member steel bars; the upper and lower chord steel bars of the framework are arranged in parallel up and down and are connected by a web member of continuous steel bars bent into a W shape; the primary and secondary skeletons form n segments; the secondary framework is vertically arranged with the main framework in a crossed manner to form a framework grid, and is inserted between the upper chord steel bars and the lower chord steel bars of the framework of the main framework and is cooperatively stressed to form a plate type bidirectional bearing steel bar net rack to jointly bear external load; a permanent or detachable template is arranged on the reinforcing steel bar net rack, and concrete is poured and tamped on the template to form a folded plate type structural member. The invention has reliable stress, economy and reasonability, high industrialization degree and convenient assembly, can realize automatic production, can avoid the template engineering and the support frame of complex folded plate type plate components, and has wide application range and high application value.
Description
Technical Field
The invention belongs to a net rack truss in the technical field of building engineering, in particular to a reinforced bar net rack for a reinforced concrete (or other filling and bonding materials) plate type member, which can be widely applied to various building structures.
Background
In the field of existing building engineering technology, folded plate type plate members are used more often, such as bay windows (also called bay windows) in houses, sunken toilet floors, stair flights and the like. The member has wide application range, is an important structural member and plays an important role in building. The common reinforced concrete plate type member is realized by adopting a field formwork support and reinforcing steel bar binding cast concrete, or is realized by field installation through factory prefabrication.
In the reinforced concrete folded plate type plate member which needs to be supported on site and bound with reinforcing steel bars to cast concrete, because the shape difference of the plate member is larger and has larger difference with the conventional horizontal or vertical plate member in space position, when a scaffold is erected on site to support and lay a template, the condition of waste and industrial waste exists, and the construction of a floor is greatly influenced.
For the reinforced concrete plate type member prefabricated in a factory and installed on site, the factory needs to arrange templates required by prefabrication according to different sizes of the plate type member, and the manufacturing cost of the plate type member is greatly influenced. Because the plate-type component is a plurality of broken lines, the overall dimension is large, and the transportation cost is influenced. The single reinforced concrete plate type member has large size and heavy weight, and hoisting equipment with enough hoisting force is required to be configured for hoisting, so that the type selection and the cost of the hoisting equipment are influenced.
Disclosure of Invention
In order to solve the existing problems, the invention provides a steel bar net rack of a support-free folded plate type plate member. The invention has reliable stress, economy and reasonability, high industrialization degree and convenient assembly, can realize automatic production, can avoid the template engineering and the support frame of complex folded plate type plate components, and has wide application range and high application value.
The technical scheme of the invention is as follows:
the invention comprises a plate-type bidirectional bearing steel bar framework, wherein the plate-type bidirectional bearing steel bar framework mainly comprises a main framework arranged in an extending way along a first direction and a secondary framework arranged in an extending way along a second direction, the first direction and the second direction are on the same plane and are vertical to each other, the main framework and the secondary framework have the same structure and respectively comprise a framework upper chord steel bar, a framework lower chord steel bar and a framework diagonal web member steel bar; the framework upper chord steel bars and the framework lower chord steel bars are respectively arranged in an up-down parallel spaced manner, the framework upper chord steel bars and the framework lower chord steel bars are connected through a plurality of diagonal web members, and the plurality of diagonal web members are sequentially arranged end to end along the directions of the framework upper chord steel bars and the framework lower chord steel bars to form a W shape, so that the framework diagonal web members are formed; the plurality of main frameworks are arranged in parallel at equal intervals along the second direction to form a main plane framework, the plurality of secondary frameworks are arranged in parallel at equal intervals along the first direction to form a secondary plane framework, the main plane framework and the secondary plane framework are arranged in a bidirectional vertical crossing manner to form a framework grid, and the framework grid is folded into n-fold sections according to the shape of the folded plate type plate-shaped component, wherein the n-fold sections can be a horizontal section and a vertical section or an inclined section; each secondary framework of the secondary plane framework is arranged between the framework upper chord section and the framework lower chord section of each main framework of the main plane framework in an inserting mode, and the main plane framework and the secondary plane framework are stressed cooperatively to form a plate type bidirectional load-bearing keel steel bar framework for jointly bearing external loads.
The main framework and the secondary framework are at the intersection, and the chord steel bars of the frameworks are respectively and reliably connected, so that a steel bar net rack capable of bearing load is formed. Connecting pieces are arranged at the bottom and the periphery of the reinforcing steel bar net rack to fix the templates at the bottom and the periphery.
The two-way perpendicular intersection of main plane skeleton and secondary plane skeleton arrange, two plane skeleton height dimensions are different, main skeleton and secondary skeleton height dimension are different promptly, each secondary skeleton of highly less secondary plane skeleton penetrates between skeleton diagonal web member W type crest and the skeleton lower chord reinforcing bar of locating of each main skeleton of highly great main plane skeleton for the skeleton upper chord reinforcing bar of two plane skeletons welded fastening each other, the skeleton lower chord reinforcing bar of two plane skeletons welded fastening each other.
Preferably, the upper skeleton chord and the lower skeleton chord of the light plate type bidirectional bearing reinforcing steel bar net rack are made of reinforcing steel bars.
Preferably, the framework diagonal web members forming the lightweight plate type bidirectional load-bearing steel bar net rack are continuously bent into a plane W shape by using steel bars (or other continuous linear metal materials).
Preferably, the skeletons in both directions intersect at 90 degrees, the point of intersection being selected where the skeletons diagonal web connects to the upper chord or lower chord.
Preferably, at the intersection of the frameworks in the two directions, the framework upper chord steel bar in one direction is welded with the framework upper chord steel bar in the other direction (other reliable connections can be adopted), and the framework lower chord steel bar is welded with the framework lower chord steel bar (other reliable connections can be adopted).
In the main framework, the W-shaped wave crest or wave trough of the framework diagonal web member is connected to the side surface of the upper chord steel bar or the lower chord steel bar of the framework, and the wave crest or the wave trough can be different or can be the same; in the secondary framework, the W-shaped wave crest or wave trough of the framework diagonal web member is connected to the bottom surfaces or the side surfaces of the framework upper chord steel bar and the framework lower chord steel bar; the secondary frameworks of the secondary plane frameworks are respectively connected between framework upper chord reinforcing steel bars and framework lower chord reinforcing steel bars at the W-shaped wave crests of the framework diagonal web members in the main framework.
The framework upper chord section, the framework lower chord section and the framework diagonal web member are all made of steel.
The main framework and the secondary framework are formed by bending and welding three continuous steel bars, the framework upper chord section and the framework lower chord section are made of straight steel bars, and the framework diagonal web members are formed by bending the straight steel bars in a W shape.
The reinforcing bars on the main framework and the secondary framework can bear the vertical load in the construction stage before the concrete (or other filling materials) in the folded plate type plate-shaped member is poured and tamped, and can be used as the reinforcing bars in the use stage of the plate-shaped member after the concrete reaches the strength, and can bear the load in the use stage together with the concrete, and the reinforcing bar net rack can also bear the load by itself. The template is reliably connected with the primary and secondary frameworks, and a support frame is not required to be arranged to bear the load during concrete pouring.
The rebar grid can be used in combination with a variety of forms, including removable reusable forms and fixed non-removable forms. For the removable template for reuse, the connection between the template and the framework can be released after the concrete reaches the strength, and the template and the connecting piece can be removed for recycling.
During construction, a formwork can be arranged on the bottom surface of the position where the plate type bidirectional bearing keel frame is arranged, the formwork is provided with a support, concrete is cast on the formwork, and the plate type bidirectional bearing keel frame is buried in the concrete.
The technical principle and the beneficial effects of the invention are embodied in that:
1. the industrialization degree is high: the upper and lower chord steel bars and the diagonal web member steel bars form a framework, the plane framework is synthesized into a steel bar net rack, all the stages belong to automatic production component members, and the steel bar net rack can be industrially manufactured in batches.
2. Material standardization: the materials of the upper and lower chord steel bars of the framework, the diagonal web member steel bars and the like can be selected from the existing standard materials in the market for combination, and the standardized materials are used for forming products with various specifications but also standardized.
3. The product application pertinence is strong: the steel bar net frame of the support-free folded plate type component can be used for various reinforced concrete and similar plate type components.
4. The cost is reduced: the reinforcing steel bar net rack of the support-free folded plate type structural member has excellent stress performance, good bearing capacity in the construction stage and consistent actual use stage and cast-in-place concrete. After the reinforcing steel bar net rack of the support-free folded plate type structural member is adopted, a scaffold and a formwork are not arranged on site, the economy is better, the construction speed is higher, and the construction cost of the reinforced concrete can be integrally reduced.
Drawings
FIG. 1 is a schematic view of a planar framework (a main framework of greater height) of a rebar grid making up a free-standing folded plate type structural member;
FIG. 2 is a schematic view of a planar framework (a sub-framework of smaller height) of a rebar grid making up a free-standing folded plate form member;
fig. 3 is a reinforcement cage that constitutes a free-standing folded plate-type structure.
FIG. 4 is a stair riser of a rebar grid using a support-free folded plate-type form member;
FIG. 5 is a bay window of a rebar grid using a brace-free folded plate-type member;
FIG. 6 is a sunken toilet floor employing a rebar grid of support-free folded plate-type members;
fig. 7 is a sectional view taken along line a-a of fig. 4, 5 and 6.
In the figure: 1. a framework upper chord steel bar; 2. a framework lower chord steel bar; 3. framework diagonal web member steel bars; 4. the upper chord steel bar of the framework (the framework in the other direction); 5. a framework lower chord steel bar (framework in the other direction); 6. a skeleton diagonal web member (another direction skeleton); 7. bearers (steel or concrete beams); 8. concrete; 9. a template; 10. and (4) a step.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
The invention comprises a plurality of plane skeletons which are arranged in parallel, the plane skeletons are divided into a main plane skeleton and a secondary plane skeleton, and the plane skeletons in two directions can form crossed vertical arrangement through the height difference of the skeletons, thereby forming a plate type reinforcing steel bar net rack with cooperative stress.
As shown in fig. 3, the basic structure of the implementation includes a plate-type bidirectional load-bearing steel skeleton, the plate-type bidirectional load-bearing steel skeleton mainly includes a main skeleton extending along a first direction and a sub-skeleton extending along a second direction, the first direction and the second direction are on the same plane and perpendicular to each other, and as shown in fig. 2 and fig. 3, the main skeleton and the sub-skeleton have the same structure, and both include a skeleton upper chord steel 1/4, a skeleton lower chord steel 2/5 and a skeleton diagonal web member 3/6; the framework upper chord steel bar 1/4 and the framework lower chord steel bar 2/5 are chord member framework upper chord steel bars 1/4 and framework lower chord steel bars 2/5 which are arranged in parallel at intervals up and down respectively, the framework upper chord steel bar 1/4 and the framework lower chord steel bar 2/5 are connected through a plurality of diagonal web members, and the plurality of diagonal web members are sequentially connected end to end along the directions of the framework upper chord steel bar 1/4 and the framework lower chord steel bar 2/5 to form a W shape, so that the framework diagonal web member 3/6 is formed; in this way, the framework is formed by combining and welding a continuous straight steel bar as the upper chord of the framework, a steel bar continuously bent into a W shape as the web member and a continuous straight steel bar as the lower chord of the framework to form the framework capable of bearing load.
In a specific implementation, the frame diagonal web members 3/6 are formed by bending continuous steel bars and integrally forming the continuous steel bars.
A plurality of main frameworks form the main plane skeleton along the equidistant parallel arrangement of second direction, a plurality of inferior skeletons form the secondary plane skeleton along the equidistant parallel arrangement of first direction, main plane skeleton and secondary plane skeleton constitute by a plurality of equidistant parallel arrangement's skeleton like this, main plane skeleton and secondary plane skeleton are two-way perpendicular cross arrangement again and form the skeleton net, each inferior skeleton interlude of secondary plane skeleton is installed between skeleton upper chord reinforcing bar 1 and skeleton lower chord reinforcing bar 2 of same second direction along each main skeleton of main plane skeleton, thereby main plane skeleton and secondary plane skeleton cooperate the atress and form the two-way bearing steel reinforcement skeleton of board-like and bear the external load jointly.
The main plane frameworks and the secondary plane frameworks are arranged in a bidirectional vertical crossing manner and are formed by different heights of the frameworks in two directions, the main framework in one direction is larger in section height, the secondary framework in the other direction is smaller in section height, and the secondary framework with the smaller section height penetrates through the space between the upper chord and the lower chord of the main framework with the larger section height. Two plane skeletons height dimension are different, and main skeleton and inferior skeleton height dimension are different promptly, and each inferior skeleton of highly less inferior plane skeleton penetrates between the skeleton upper chord reinforcing bar and the skeleton lower chord reinforcing bar of the W type crest that are located skeleton diagonal web member 3/6 of each main skeleton of highly great main plane skeleton for welded fastening mutually between the skeleton upper chord reinforcing bar of the plane skeleton of two directions, welded fastening forms stable light-duty board-like two-way bearing steel bar skeleton between the skeleton lower chord reinforcing bar of the plane skeleton of two directions each other.
On the assembly platform, the high-height steel reinforcement frameworks are arranged in parallel according to a fixed interval, in the other direction, the low-height secondary frameworks penetrate from the upper chord and the lower chord of the fixed high-height main framework, and the upper chord and the lower chord of the frameworks in the two directions are respectively welded and fixed (or reliably connected in other modes) to form the stable light plate type bidirectional bearing steel reinforcement framework.
The invention adopts steel bars as chord members of a framework, a single steel bar is bent into a W shape to form the oblique web member of the framework, and two chord members and the oblique web member of the W-shaped framework between the two chord members are connected to form the small-section steel bar framework.
As shown in fig. 1, in the main frame, the W-shaped wave crest of the framework diagonal web member 3 is welded and connected to the top surface of the framework lower chord steel bar 2 at the side of the framework upper chord steel bar 1, or the W-shaped wave crest of the framework diagonal web member 3 is welded and connected to the bottom surface of the framework upper chord steel bar 1, the W-shaped wave trough of the framework diagonal web member 3 is welded and connected to the side surface of the framework lower chord steel bar 2, or the W-shaped wave crest of the framework diagonal web member 3 is welded and connected to the side surface of the framework upper chord steel bar 1, the W-shaped wave trough of the framework diagonal web member 3 is welded and connected to the side surface of the framework lower chord steel bar 2; as shown in fig. 2. In the sub-framework, the W-shaped wave crest welding of the framework diagonal web member 3 can be connected to the bottom surface of the framework upper chord steel bar 4 or the W-shaped wave trough welding of the side framework diagonal web member 3 to be connected to the top surface or the side surface of the framework lower chord steel bar 5; the secondary frameworks of the secondary plane frameworks are respectively connected between framework upper chord steel bars 1 and framework lower chord steel bars 2 at the W-shaped wave crests of the framework diagonal web members 3 in the main framework, the quantity of the secondary frameworks of the secondary plane frameworks is consistent with that of the W-shaped wave crests of the framework diagonal web members 3 in the main framework, the secondary frameworks are in one-to-one correspondence, the framework upper chord steel bars 4 of the secondary frameworks are welded to the bottom surfaces of the framework upper chord steel bars 1 at the W-shaped wave crests of the framework diagonal web members 3 in the main framework, and the framework lower chord steel bars 5 of the secondary frameworks are welded to the top surfaces of the framework lower chord steel bars 2 at the W-shaped wave crests of the framework diagonal web members 3 in the main framework.
The height of the framework, the section specifications of the upper chord, the lower chord and the web member, and the arrangement distance between the frameworks are all variable and adjustable, so that the frameworks with different bearing capacities are conveniently combined.
The main framework and the secondary framework are formed by bending and welding three continuous steel bars, the framework upper chord steel bar 1/4 and the framework lower chord steel bar 2/5 are all formed by bending straight steel bars into n sections to form bending shapes which need to be matched with the shapes of the folded plate type components, and the framework diagonal web member 3/6 is formed by bending straight steel bars in a W shape. The automatic production of being convenient for can be according to the board-like component adjustment of difference. The upper chord steel bars and the lower chord steel bars of the frameworks in the two directions are respectively welded and connected at contact points to form a steel bar net rack arranged in a shape like a Chinese character jing.
The reinforcing bar on the primary and secondary skeleton can undertake the vertical load in the construction stage before concrete or other filling materials are poured and tamped, and after the concrete reaches the strength, the reinforcing bar can be used as a reinforcing bar in the use stage of the plate-type member, undertakes the load in the use stage together with the concrete, and also undertakes the load by the reinforcing bar net rack.
The main framework and the secondary framework are at the intersection, and the chord steel bars of the frameworks are respectively and reliably connected, so that a steel bar net rack capable of bearing load is formed. The main and secondary frameworks share the vertical load, the secondary frameworks can effectively avoid the lateral instability of the chord members of the main frameworks, and the uneven stress between the main frameworks which are arranged in parallel can be coordinated.
During construction, a template 9 is arranged on the bottom surface of the position where the plate-type bidirectional bearing steel reinforcement framework is arranged, the steel reinforcement framework is supported on the support 7, concrete 8 is poured on the template 9, and the plate-type bidirectional bearing steel reinforcement framework is buried in the concrete 8.
As shown in fig. 4-6, the bottom and two sides of the reinforcing steel bar net rack of the support-free folded plate type structural member are provided with permanent or removable formworks or non-removable formworks, and the formworks are used for pouring concrete. Concrete is poured or other materials are filled on the templates to form folded plate type plate-shaped components. And forming the plate-type member after concrete pouring and curing are completed.
Connecting pieces are arranged at the bottom and the periphery of the reinforcing steel bar net rack to fix the templates 9 at the bottom and the periphery. The template is reliably connected with the primary and secondary frameworks, and a scaffold is not required to be arranged to bear the load during concrete pouring and tamping.
The rebar grid can be used in combination with various forms 9, including removable reusable forms and fixed non-removable forms. For the removable template for reuse, the connection between the template and the framework can be released after the concrete reaches the strength, and the template and the connecting piece can be removed for recycling.
As shown in fig. 4, a stair step is built, the stair step is formed by connecting two horizontal plate-type bidirectional load-bearing steel frameworks with different heights and a slope plate-type bidirectional load-bearing steel framework, the slope plate-type bidirectional load-bearing steel framework is connected between the two horizontal plate-type bidirectional load-bearing steel frameworks, the horizontal plate-type bidirectional load-bearing steel frameworks and the slope plate-type bidirectional load-bearing steel frameworks are both arranged on a formwork 9, supports 7 are arranged on the bottom surfaces of the outer ends of the two horizontal plate-type bidirectional load-bearing steel frameworks for supporting, and the supports 7 can be steel beams or concrete beams; concrete 8 is poured in and around the three plate type bidirectional bearing steel reinforcement frameworks of the stair sections. The plate-type bidirectional bearing steel reinforcement framework of the inclined plane section is provided with a step 10. The upper chord steel bars 1/4 of the framework between the plate-type bidirectional bearing steel bar framework of the horizontal section and the plate-type bidirectional bearing steel bar framework of the inclined plane section are mutually connected into a whole, the lower chord steel bars 2/5 of the framework are mutually connected into a whole, and the inclined web members 3/6 of the framework are also mutually connected into a whole.
As shown in fig. 5, the bay window/bay window is constructed by connecting plate-type bidirectional bearing steel reinforcement frameworks of a plurality of horizontal sections and vertical sections at the indoor side and the outdoor side, the plate-type bidirectional bearing steel reinforcement frameworks are supported and arranged through a template 9, and two bay window/bay window structures are respectively shown in a and b of fig. 5. A support 7 is arranged on the bottom surface of the plate type bidirectional bearing steel bar framework positioned at the horizontal section of the indoor side for supporting, and the support 7 can be a steel beam or a concrete beam; concrete 8 is poured in and around each plate-type bidirectional bearing steel reinforcement framework and in a web plate close to the support 7 and the plate-type bidirectional bearing steel reinforcement framework. The upper chord steel bar 1/4 of the framework between the plate-type bidirectional bearing steel bar framework of the horizontal section and the plate-type bidirectional bearing steel bar framework of the vertical section can be mutually connected into a whole, the lower chord steel bar 2/5 of the framework can be mutually connected into a whole, and the oblique web members 3/6 of the framework can also be mutually connected into a whole.
As shown in fig. 6, the floor slab of the sinking toilet is mainly formed by connecting a plate type bidirectional bearing steel bar framework of a middle concave section in the toilet and a plate type bidirectional bearing steel bar framework of a horizontal section outside the toilet, and the plate type bidirectional bearing steel bar framework is supported and arranged through a template 9. A support 7 is arranged on the bottom surface of the plate type bidirectional bearing steel bar framework positioned at the horizontal section outside the toilet for supporting, and the support 7 can be a steel beam or a concrete beam; concrete 8 is poured in and around each plate type bidirectional bearing steel reinforcement framework. The upper chord steel bars 1/4 of the framework between the plate-type bidirectional bearing steel bar framework of the horizontal section and the plate-type bidirectional bearing steel bar framework of the vertical section are mutually connected into a whole, the lower chord steel bars 2/5 of the framework are mutually connected into a whole, and the oblique web members 3/6 of the framework are also mutually connected into a whole.
The cross sections of the plate type bidirectional bearing steel bar frameworks at any position of the stair sections, the bay windows/bay windows and the sunken toilet floor slabs are shown in figure 7.
The construction process of the invention is as follows:
as shown in fig. 1 and 2, the main and sub-frameworks in two directions have a specific height difference, wherein the main framework in one direction has a larger height h1, and the sub-framework in the other direction has a smaller height h 2.
After the frameworks with different heights in two directions are processed in a factory through equipment, the framework with larger height is fixed on the assembly platform, the framework with smaller height penetrates through the upper chord and the lower chord of the framework with larger height to be fixed and is placed in place, welding equipment is adopted to complete welding between the upper chord and the lower chord of the framework with two directions, and a reinforcement net rack of a support-free folded plate type component is formed and serves as the reinforcement net rack of a reinforced concrete plate type component.
Therefore, the plate-type bidirectional bearing steel reinforcement framework can solve the self stability problem through mutual restraint of self rods, provide reliable bearing capacity and rigidity, replace measures such as templates, support frames and the like in cast-in-place concrete plates, and provide a more convenient and reliable construction scheme of complex folded plate type plate members.
Claims (5)
1. The utility model provides a free steel bar net frame of folded plate template component that supports which characterized in that:
the plate-type bidirectional bearing steel bar framework mainly comprises a main framework arranged in an extending mode along a first direction and a secondary framework arranged in an extending mode along a second direction, wherein the first direction and the second direction are on the same plane and are perpendicular to each other, the main framework and the secondary framework are identical in structure and respectively comprise a framework upper chord steel bar (1/4), a framework lower chord steel bar (2/5) and a framework diagonal web member steel bar (3/6); the framework upper chord steel bars (1/4) and the framework lower chord steel bars (2/5) are respectively arranged in an up-down parallel spaced manner, the framework upper chord steel bars (1/4) and the framework lower chord steel bars (2/5) are connected through a plurality of diagonal web members, and the plurality of diagonal web members are sequentially arranged in an end-to-end connection manner along the directions of the framework upper chord steel bars (1/4) and the framework lower chord steel bars (2/5) to form a W shape, so that the framework diagonal web members (3/6) are formed; the plurality of main frameworks are arranged in parallel at equal intervals along the second direction to form a main plane framework, the plurality of secondary frameworks are arranged in parallel at equal intervals along the first direction to form a secondary plane framework, the main plane framework and the secondary plane framework are arranged in a bidirectional vertical crossing manner to form a framework grid, and the framework grid is folded into n-fold sections according to the shape of the folded plate type plate member; each secondary framework of the secondary plane framework is arranged between the framework upper chord section (1) and the framework lower chord section (2) of each main framework of the main plane framework in an inserting mode, and the main plane framework and the secondary plane framework are stressed cooperatively to form the plate type bidirectional load-bearing keel steel reinforcement framework.
2. A free-standing folded plate type member rebar grid as claimed in claim 1, wherein: the two-way perpendicular intersection of main plane skeleton and secondary plane skeleton arrange, two plane skeleton height dimensions are different, main skeleton and secondary skeleton height dimension are different promptly, each secondary skeleton of highly less secondary plane skeleton penetrates between skeleton diagonal web member (3/6) W type crest and the skeleton lower chord reinforcing bar of trough department of each main skeleton of highly great main plane skeleton for the welded fastening each other of skeleton upper chord reinforcing bar of two plane skeletons, the welded fastening each other of skeleton lower chord reinforcing bar of two plane skeletons.
3. A free-standing folded plate type member rebar grid as claimed in claim 2, wherein: in the main framework, W-shaped wave crests or wave troughs of a framework diagonal web member (3) are connected to the side surfaces of a framework upper chord steel bar (1) or a framework lower chord steel bar (2); in the sub-framework, the W-shaped wave crest or wave trough of the framework diagonal web member (3) is connected to the bottom surfaces or the side surfaces of the framework upper chord steel bar (4) and the framework lower chord steel bar (5); the secondary frameworks of the secondary plane frameworks are respectively connected between framework upper chord reinforcing steel bars (1) and framework lower chord reinforcing steel bars (2) at the W-shaped wave crests of the framework diagonal web members (3) in the main framework.
4. A free-standing folded plate type member rebar grid as claimed in claim 2, wherein: the framework upper chord section bar (1/4), the framework lower chord section bar (2/5) and the framework diagonal web members (3/6) are all made of steel.
5. A free-standing folded plate type member rebar grid as claimed in claim 2, wherein: the main framework and the secondary framework are formed by bending and welding three continuous steel bars, the framework upper chord section (1/4) and the framework lower chord section (2/5) are all straight steel bars, and the framework diagonal web members (3/6) are formed by bending the straight steel bars in a W shape.
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| CN202110732012.3A CN113293932A (en) | 2021-06-30 | 2021-06-30 | Steel bar net frame of support-free folded plate type plate member |
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| CN202110732012.3A CN113293932A (en) | 2021-06-30 | 2021-06-30 | Steel bar net frame of support-free folded plate type plate member |
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| CN109339324A (en) * | 2018-11-29 | 2019-02-15 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Assembling type flat steel bar truss floor support plate |
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| CN110397200A (en) * | 2019-08-07 | 2019-11-01 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Assembled two-way concrete slab truss floor |
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| CN203113580U (en) * | 2013-03-13 | 2013-08-07 | 宝钢建筑系统集成有限公司 | Concrete laminated slab with steel bar trusses |
| CN208280392U (en) * | 2018-02-12 | 2018-12-25 | 中国建筑标准设计研究院有限公司 | The two-sided overlapped shear wall of band connection lacing wire |
| CN110258926A (en) * | 2018-08-21 | 2019-09-20 | 李藏柱 | A kind of monolithic reinforced rack and prefabricated board and its connection structure comprising the rack |
| CN109339324A (en) * | 2018-11-29 | 2019-02-15 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Assembling type flat steel bar truss floor support plate |
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Application publication date: 20210824 |