CN111364660A - Novel steel bar truss building carrier plate - Google Patents
Novel steel bar truss building carrier plate Download PDFInfo
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- CN111364660A CN111364660A CN202010353423.7A CN202010353423A CN111364660A CN 111364660 A CN111364660 A CN 111364660A CN 202010353423 A CN202010353423 A CN 202010353423A CN 111364660 A CN111364660 A CN 111364660A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
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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
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- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a novel steel bar truss floor bearing plate which is characterized in that the steel bar truss floor bearing plate is formed by integrally rolling, welding and molding a steel bottom plate and a steel bar truss through special mechanical equipment, and comprises the following components: the steel bar truss structure comprises a lower main bar, an upper main bar, grid steel bars or truss erecting steel bars or truss belly supporting steel bars, hanger steel bars, a profiled truss bottom plate, end steel bars and end steel bar clamps, wherein the lower main bar and the upper main bar are welded through a plurality of grid steel bars arranged in a wavy line; the steel bar truss floor support plate provided by the invention has the advantages of high floor stressed steel bar integration level, modular production, field civil engineering workload saving, construction period shortening and good structural stress performance.
Description
Technical Field
The invention relates to a steel floor bearing plate, in particular to a novel steel bar truss floor bearing plate.
Background
The existing floor bearing plate series products in the industry are widely applied to buildings such as floor structures, large-span structures, descending plate structures, slope roofs, residential structures and thick plate structures, and are particularly commonly used for steel structure buildings such as power plants, power equipment companies, automobile exhibition halls, steel structure factory buildings, cement storehouses, steel structure office buildings, airport terminal buildings, train stations, stadiums, music halls, large theaters, large supermarkets and logistics centers. At present, the concrete combined floor bearing plate series mainly has the following three structural forms; first, open type floor deck series; second, closed floor deck series; and thirdly, a steel bar truss floor bearing plate series. The first two types of open and closed floor bearing plate series have narrow thickness range of the concrete floor because of the limited height of the plate ribs, and the workload of the on-site civil construction steel bar is large, which is not beneficial to saving the construction period and the labor cost. The third type steel bar truss floor bearing plate series has commonly used specification of 576 type and 600 type in domestic industry at present, and the space between triangular steel bar trusses on the upper part of a bottom plate is only 200 and 188. Compared with the floor construction drawing of design, after the installation of later stage steel bar truss floor carrier plate is accomplished, need supplement a large amount of reinforcing bars in triangle truss space department and perpendicular to steel bar truss floor carrier plate length direction department on the scene usually, on-the-spot work load is big, and the cost time is also longer. The three types of floor bearing plate series are generally only used in the range of steel structure buildings, and are not applicable compared with the prior prefabricated concrete member part with a larger domestic range and a wider future prospect.
Disclosure of Invention
Aiming at the defects of the existing steel floor bearing plate series, the invention provides a novel steel bar truss floor bearing plate which is more consistent with the designed blueprint floor slab reinforcement design, has better structural performance and wide application range, can better reduce the field workload, saves the labor cost and shortens the construction period.
The technical scheme adopted by the invention is as follows:
the invention provides a novel steel bar truss floor bearing plate which is formed by integrally rolling, welding and molding a steel bottom plate and a steel bar truss through special mechanical equipment, and the strength of each welding spot can meet the design requirement. The method comprises the following steps: the steel truss structure comprises lower main reinforcements (1), upper main reinforcements (2), grid reinforcements or truss erecting reinforcements or truss abdomen supporting reinforcements (3), hanger reinforcements (4), a profiling truss bottom plate (5) and truss end reinforcements (9) and (10).
Preferably, the profiled truss bottom plate (5) comprises: a base plate lapping female buckle (6), a base plate lapping male buckle (7) and a base plate stiffening rib (8). The truss bottom plate is rolled and formed by a special machine, the adjacent bottom plates are overlapped and occluded through male and female buckles, and the overlapping buckles include but are not limited to single undercut and double undercut. The stiffening ribs of the truss bottom plate can effectively increase the structural strength of the whole bottom plate, ensure that the bottom plate structure is not easy to deform and have better decorative effect.
Preferably, the steel bar truss part includes: the steel bar hanging bracket comprises a lower main bar (1), an upper main bar (2), grid steel bars or truss erecting steel bars or truss belly supporting steel bars (3), hanging bracket steel bars (4), end steel bars (9), end steel bar clamps or L-shaped end steel bars (10). Wherein, the specification, grade, interval, shape and other parameters of each reinforcing steel bar can meet the actual requirements.
Preferably, the steel bar trusses are all rolled and formed by a special machine and assembled in a welding mode. The height and the shape of the belly grille reinforcing steel bar (3) can be adjusted according to design and field requirements, and the belly grille reinforcing steel bar is firmly welded with the lower main rib (1) and the upper main rib (2), and the strength of each welding point can meet the design requirements.
Preferably, the height and the shape of the hanger steel bar (4) can be freely adjusted according to requirements. The hanger steel bars (4) and the upper main bars (2) are fixed in a welding mode, and the distance between the hanger steel bars and the upper main bars is adjustable. The hanger steel bars (4) and the lower main steel bars (1), the upper main steel bars (2) and the belly steel bars (3) form a stable steel bar truss system.
Preferably, the steel bar truss module and the profiling truss bottom plate (5) are welded through equipment current, and the strength of each welding spot can meet the design requirement.
Preferably, the end reinforcing steel bars (9) are firmly welded with the upper main bar and the lower main bar, and the bottoms of the reinforcing steel bars are welded with the bottom plate. The end of the steel structure member is exposed out of the bottom plate (5) for a certain distance, the specific length can be adjusted according to design requirements, the shape of the steel structure member comprises an L shape and the like, and the steel structure member can be welded and fixed with the flange surface of the steel structure member or can be placed on the upper surface of a poured concrete structure and a precast concrete member for reliable connection and fixation.
Preferably, the end reinforcing steel bar clamp or the L-shaped end reinforcing steel bar (10) is firmly welded with the upper main bar and the lower main bar, and the bottom of the reinforcing steel bar is welded with the bottom plate. The end of the steel structure member is exposed out of the bottom plate (5) for a certain distance, the specific length can be adjusted according to design requirements, the shape of the steel structure member comprises but is not limited to L, Z type, and the steel structure member can be welded and fixed with the flange surface of the steel structure member or can be placed on the upper surface of a poured concrete structure and a precast concrete member and can be reliably connected and fixed.
The invention has the following beneficial effects:
(1) the adjacent truss bottom plates are meshed through the male and female buckles in a lap joint mode, the structure is simple and practical, and the working time of the floor is greatly saved. Two steel bar truss floor carrier plates of messenger that can be fine link together closely, leak thick liquid problem when effectively avoiding cast in situ concrete.
(2) The specification, grade, spacing, shape and other parameters of the steel bar truss can be adjusted according to design and field requirements, the steel bar truss conforms to the design of the reinforcement of a designed blueprint floor slab, and the design requirements can be completely met only by supplementing part of steel bars in the vertical direction of the steel bar truss and the lap joint support of the floor slab after the steel bar truss is installed, so that the field workload is better reduced, the labor cost is saved, and the construction period is shortened.
(3) The end reinforcing steel bars can extend out of the edge of the bottom plate. Because of the length of the bottom plate is less than the length of the steel bar truss, the bottom plate only needs to be close to the edge of the component to meet the sealing requirement, but except that the steel bars at the upper part of the bottom plate can be well lapped, the contact surface of the post-poured concrete and the original steel component, the finished concrete structure and the prefabricated concrete component can be fully connected together, the structural performance is greatly enhanced, the stress condition is better, and the application range is wider.
Drawings
Fig. 1 is a representation view of various parts of a novel steel bar truss floor support plate provided by the invention;
FIG. 2 is a structural view of the lap joint of the bottom plate of the novel steel bar truss floor support plate provided by the invention;
fig. 3 is a cross-sectional view of the novel steel bar truss floor deck provided by the invention;
fig. 4 is a top view of the novel steel bar truss floor deck provided by the invention;
fig. 5 is a front view of the novel steel bar truss floor deck provided by the invention;
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
as shown in fig. 1, a representation of each part of the novel steel bar truss floor support plate provided by the invention is shown, and the steel bar truss floor support plate is formed by integrally rolling, welding and molding a steel base plate and a steel bar truss through special mechanical equipment. The method comprises the following steps: the steel truss structure comprises lower main reinforcements (1), upper main reinforcements (2), grid reinforcements or truss erecting reinforcements or truss abdomen supporting reinforcements (3), hanger reinforcements (4), a profiling truss bottom plate (5) and truss end reinforcements (9) and (10).
As shown in fig. 2, it is a structural diagram of the bottom plate overlapping buckle of the novel steel bar truss floor support plate provided by the invention. Profiled truss bottom plate (5) includes: the bottom plate lap joint female buckle (6), the bottom plate lap joint male buckle (7) and the bottom plate stiffening rib (8) are formed by a whole galvanized flat plate through rolling equipment in one step. Through the overlap joint interlock of pin and box between the adjacent steel bar truss floor carrier plate bottom plate, the overlap joint is including but not only be limited to single undercut, two types of undercuts. The stiffening ribs of the truss bottom plate can effectively increase the structural strength of the whole bottom plate, ensure that the bottom plate structure is not easy to deform and have better decorative effect.
As shown in fig. 1, the reinforcing bar truss part includes: the steel bar hanging bracket comprises a lower main bar (1), an upper main bar (2), grid steel bars or truss erecting steel bars or truss belly supporting steel bars (3), hanging bracket steel bars (4), end steel bars (9), end steel bar clamps or L-shaped end steel bars (10). Wherein, the specification, grade, interval, shape and other parameters of each reinforcing steel bar can meet the actual requirements.
The processing process of the novel truss floor support plate provided by the invention is shown in figures 1-5 and comprises the following steps:
(1) selecting a lower main rib 1 and an upper main rib 2 of the truss with corresponding specifications and materials according to design and related requirements; determining the blanking length according to a drawing;
(2) determining the height and the longitudinal step pitch of the grid steel bars 3 according to the thickness of a designed floor slab, the thickness of a concrete protective layer and the specifications of the upper main bar and the lower main bar, and bending and molding the grid steel bars according to requirements;
(3) determining welding materials and welding process technology according to the materials of the upper main rib, the lower main rib and the grid reinforcing steel bar, and welding and assembling the upper main rib, the lower main rib and the grid reinforcing steel bar;
(4) processing three (or four) steel bar trusses according to the third step and in combination with design and standard requirements;
(5) processing a certain number of hanger steel bars 4 (the number of the hanger steel bars is determined by calculating the actual lofting length of the floor bearing plate and the distance between the hanger steel bars) according to requirements, and bending and molding the hanger steel bars according to the requirements; welding and assembling the hanger steel bars and three (or four) steel bar trusses;
(6) processing, rolling and forming a truss reinforcing steel bar bottom plate 5 (comprising hasps 6 and 7 and stiffening ribs 8 on two sides) with corresponding specifications, wherein the length of the truss reinforcing steel bar bottom plate is determined by actual lofting, and the material and specification of the bottom plate meet the requirements of design and related specifications; welding and assembling the hanger steel bars and the bottom plate by using a special welding plate machine (or a manual welding tool), and ensuring the welding strength of the contact points of the hanger steel bars and the bottom plate; when the device is installed on site, the device is firmly fixed with the original component through shear resistant studs, welding or other methods;
(7) according to the requirement, three (or four) L-shaped end reinforcing steel bars 9 are processed, the end reinforcing steel bars are respectively welded with the upper main bar and the lower main bar of the truss (the left and right directions are not limited), and the welding strength of contact points of the end reinforcing steel bars is ensured; when the steel bar is installed on site, the L-shaped end steel bar and the flange surface of the steel structural member are welded and fixed or are placed on the upper surfaces of the poured concrete structure and the precast concrete member and are reliably connected and fixed;
(8) according to the requirements, three (or four) end steel bar clamps 10 (or L-shaped end steel bars 9) are processed, the end steel bar clamps (or L-shaped end steel bars) are respectively welded with the upper main bar and the lower main bar of the truss (the left and right directions are not limited), and the strength of welding points of the end steel bar clamps (or L-shaped end steel bars) is ensured;
(9) when the steel bar clamp is installed on site, the end (or part of the steel bar clamp 10) of the L-shaped end part steel bar 9 is welded and fixed with the flange surface of the steel structure member or is placed on the upper surface of a poured concrete structure and a precast concrete member for reliable connection and fixation.
In summary, the invention has the following advantages:
(1) the adjacent truss bottom plates are meshed through the male and female buckles in a lap joint mode, the structure is simple and practical, and the working time of the floor is greatly saved. Two steel bar truss floor carrier plates of messenger that can be fine link together closely, leak thick liquid problem when effectively avoiding cast in situ concrete.
(2) The specification, grade, spacing, shape and other parameters of the steel bar truss can be adjusted according to design and field requirements, the steel bar truss conforms to the design of the reinforcement of a designed blueprint floor slab, and the design requirements can be completely met only by supplementing part of steel bars in the vertical direction of the steel bar truss and the lap joint support of the floor slab after the steel bar truss is installed, so that the field workload is better reduced, the labor cost is saved, and the construction period is shortened.
(3) The end reinforcing steel bars can extend out of the edge of the bottom plate. Because of the length of the bottom plate is less than the length of the steel bar truss, the bottom plate only needs to be close to the edge of the component to meet the sealing requirement, but except that the steel bars at the upper part of the bottom plate can be well lapped, the contact surface of the post-poured concrete and the original steel component, the finished concrete structure and the prefabricated concrete component can be fully connected together, the structural performance is greatly enhanced, the stress condition is better, and the application range is wider.
The foregoing is only a preferred embodiment of the invention and it should be noted that, for the field of the art, from a technical standpoint, numerous modifications and refinements can be made without departing from the principles of the invention: including but not limited to, modifying and adjusting parameters such as the specification, the size, the modeling shape and the like of the bottom plate of the steel bar truss floor support plate and the steel bar truss, and the improvement and the decoration are also considered to be the protection scope of the invention.
Claims (9)
1. The utility model provides a novel steel bar truss building carrier plate, a serial communication port, steel bar truss building carrier plate is by steel bottom plate and steel bar truss through the whole roll extrusion welded fastening of special mechanical equipment, include: the steel bar truss structure is characterized by comprising lower main bars (1), upper main bars (2), grid steel bars or truss erecting steel bars or truss belly supporting steel bars (3), hanger steel bars (4), a profiling truss bottom plate (5), end steel bars (9) and end steel bar clamps (10), wherein the lower main bars (1) and the upper main bars (2) are welded through a plurality of grid steel bars (3) arranged in a wavy line mode, the tops of the hanger steel bars (4) are arranged on a steel bar truss according to a certain distance and welded with the upper main bars (2), the bottoms of the hanger steel bars (4) are welded with the profiling truss bottom plate (5), and the end steel bars (9) are welded with the upper main bars and the lower main bars respectively.
2. A steel bar truss floor deck according to claim 1 wherein the profiled truss bottom plate (5) comprises: bottom plate overlap joint box (6), bottom plate overlap joint pin thread (7), bottom plate stiffening rib (8), the truss bottom plate is rolled by special machine and is pressed the shaping, through the pin thread overlap joint interlock between the adjacent bottom plate, the overlap joint is including but not only being limited to single undercut, two undercuts.
3. The steel bar truss floor deck according to claim 1, wherein the steel bar truss section includes: the steel bar hanging bracket comprises a lower main bar (1), an upper main bar (2), grid steel bars or truss erecting steel bars or truss belly supporting steel bars (3), hanging bracket steel bars (4), end steel bars (9) and end steel bar clamps (10), and parameters such as specifications, grades, intervals, shapes and the like of the steel bars can meet actual requirements.
4. The utility model provides a novel steel bar truss building carrier plate, its characterized in that, steel bar truss roll to shape and weld the assemblage by special machine, the height and the shape of belly grid reinforcing bar (3) can be adjusted and with lower part owner muscle (1), upper portion owner muscle (2) welding firmly according to design and on-the-spot needs, each solder joint intensity can satisfy the designing requirement.
5. The steel bar truss according to claim 3, wherein the height and shape of the hanger steel bars (4) can be freely adjusted according to requirements, the hanger steel bars (4) and the upper main bars (2) are fixed in a welding mode, the distance between the hanger steel bars (4) and the upper main bars (2) is adjustable, and the hanger steel bars (4), the lower main bars (1), the upper main bars (2) and the belly steel bars (3) form a stable steel bar truss system.
6. The steel bar truss floor deck according to claim 5, wherein the steel bar truss and the profiled truss bottom plate (5) are welded through equipment current, and the strength of each welding spot meets the design requirement.
7. The floor bearing plate of the steel bar truss according to claim 6, wherein the end steel bars (9) are welded firmly with the upper and lower main bars, the bottom of the steel bars are welded with the bottom plate, the ends of the steel bars are exposed out of the bottom plate (5) for a certain distance, the specific length can be adjusted according to design requirements, the shape of the steel bar truss comprises but not limited to L shape, and the steel bar truss can be welded and fixed with the flange surface of the steel structural member or can be placed on the upper surface of the poured concrete structure and the precast concrete member and can be reliably connected and fixed.
8. The floor bearing plate of steel bar truss according to claim 6, wherein the end steel bar clamp (10) or the end steel bar (9) is welded firmly with the upper and lower main bars, the bottom of the steel bar is welded with the bottom plate, the end of the steel bar is exposed out of the bottom plate (5) for a certain distance, the specific length can be adjusted according to the design requirement, the shape of the steel bar clamp includes but is not limited to L, Z, and the steel bar clamp is welded with the flange face of the steel structural member or is placed on the upper surface of the cast concrete structure and the precast concrete member and is reliably connected and fixed.
9. A method of manufacturing a steel bar truss floor deck as claimed in any one of claims 1 to 8, comprising the steps of:
(1) selecting a lower main rib (1) and an upper main rib (2) of the truss with corresponding specifications and materials according to design and related requirements; determining the blanking length according to a drawing;
(2) determining the height and the longitudinal step pitch of the grid steel bars (3) according to the thickness of a designed floor slab, the thickness of a concrete protective layer and the specifications of the upper main bar and the lower main bar, and bending and molding the grid steel bars according to requirements;
(3) determining welding materials and welding process technology according to the materials of the upper main rib, the lower main rib and the grid reinforcing steel bar, and welding and assembling the upper main rib, the lower main rib and the grid reinforcing steel bar;
(4) processing three or four steel bar trusses according to the third step by combining design and specification requirements;
(5) processing a certain number of hanger steel bars (4) according to requirements, wherein the number of the hanger steel bars (4) is determined by calculating the actual lofting length of the floor bearing plate and the distance between the hanger steel bars, and bending and molding the hanger steel bars according to requirements; welding and assembling the hanger steel bars and three or four steel bar trusses;
(6) the truss steel bar bottom plate (5) with corresponding specifications is processed, rolled and molded, the truss steel bar bottom plate comprises hasps and stiffening ribs on two sides, the length of the truss steel bar bottom plate is determined by actual lofting, and the material and specification of the bottom plate need to meet the requirements of design and related specifications; welding and assembling the hanger steel bars and the bottom plate by using a special welding plate machine or a manual welding tool, and ensuring the welding strength of the contact points of the hanger steel bars and the bottom plate; when the device is installed on site, the device is firmly fixed with the original component through shear resistant studs, welding or other methods;
(7) according to the requirements, three or four L-shaped end reinforcing steel bars (9) are processed, the end reinforcing steel bars are respectively welded with the upper main bar and the lower main bar of the truss, the left and right directions are not limited, and the welding strength of contact points of the end reinforcing steel bars is ensured; when the steel bar is installed on site, the L-shaped end steel bar and the flange surface of the steel structural member are welded and fixed or are placed on the upper surfaces of the poured concrete structure and the precast concrete member and are reliably connected and fixed;
(8) according to the requirements, three or four end steel bar clamps (10) or end steel bars (9) are processed, the end steel bar clamps (10) or the end steel bars (9) are respectively welded with the upper main bar and the lower main bar of the truss, the left and right directions are not limited, and the strength of welding points of the truss is ensured;
(9) when the steel bar clamp is installed on site, the end or part of the steel bar clamp (10) of the end steel bar (9) is welded and fixed with the flange surface of the steel structure member or is placed on the upper surface of a poured concrete structure and a precast concrete member for reliable connection and fixation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010353423.7A CN111364660A (en) | 2020-04-29 | 2020-04-29 | Novel steel bar truss building carrier plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010353423.7A CN111364660A (en) | 2020-04-29 | 2020-04-29 | Novel steel bar truss building carrier plate |
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| CN111364660A true CN111364660A (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095877A (en) * | 2020-08-28 | 2020-12-18 | 中冶(上海)钢结构科技有限公司 | Steel bar net type floor support plate and mounting method thereof |
-
2020
- 2020-04-29 CN CN202010353423.7A patent/CN111364660A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095877A (en) * | 2020-08-28 | 2020-12-18 | 中冶(上海)钢结构科技有限公司 | Steel bar net type floor support plate and mounting method thereof |
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