CN113374168A - Novel steel bar truss coincide floor - Google Patents
Novel steel bar truss coincide floor Download PDFInfo
- Publication number
- CN113374168A CN113374168A CN202110856347.6A CN202110856347A CN113374168A CN 113374168 A CN113374168 A CN 113374168A CN 202110856347 A CN202110856347 A CN 202110856347A CN 113374168 A CN113374168 A CN 113374168A
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- Prior art keywords
- steel
- steel bar
- truss
- bar truss
- profiled
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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
- 239000004567 concrete Substances 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 210000001015 abdomen Anatomy 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000011178 precast concrete Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 16
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/28—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/322—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with parallel corrugations
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a novel steel bar truss composite floor slab, which comprises a necking-type compression steel plate, a concrete prefabricated layer and a steel bar truss, wherein the steel bar truss comprises an upper chord steel bar, a lower chord steel bar and truss belly support steel bars, the truss belly support steel bars are welded on the upper chord steel bar and the lower chord steel bar to form a steel bar truss, and the steel bar truss is welded on the necking-type compression steel plate through the lower chord steel bar; the steel bar truss is combined with a proper steel bar truss, the strength of upper and lower chord bars of the steel bar truss is fully utilized, transverse steel bars are paved on site, and reinforcing of the bidirectional plate is easily realized; in addition, concrete below the necking profiled steel sheet can serve as a protective layer for the lower chord steel bars and the profiled steel sheet, the effect of the profiled steel sheet is effectively utilized, the strength and rigidity of the prefabricated part are enhanced, and the problems of attractiveness, fire-proof spraying and corrosion-resistant maintenance are not needed to be considered.
Description
Technical Field
The invention relates to the technical field of composite floor slab production, in particular to a novel steel bar truss composite floor slab.
Background
The existing series products of the floor bearing plate 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 workshops, cement storehouses, steel structure office buildings, airport waiting buildings, railway 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 construction forms: first, open 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. Foretell third type steel bar truss building carrier plate series, need splice between a plurality of galvanized steel sheet building carrier plate main parts when the installation, traditional only simple contact each other makes the leakproofness of concatenation not good between a plurality of galvanized steel sheet building carrier plate main parts like this, influences the later stage and pours concrete work. 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.
The existing laminated slab 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 structural buildings such as power plants, power equipment companies, automobile exhibition halls, steel structure workshops, cement storehouses, steel structure office buildings, airport waiting buildings, railway stations, stadiums, music halls, theatres, large supermarkets and logistics centers. At present, the concrete laminated slab series mainly has the following three construction forms: first, steel bar truss superimposed sheet series: second, a series of laminated slabs with concrete reinforcing ribs; and thirdly, a steel rib concrete laminated slab series. Above-mentioned first type superimposed sheet series, because its prefabricated layer is thicker with cast-in-place layer concrete thickness, it is more to structural load increase, is unfavorable for structural load design, in addition floor bottom reinforcing bar arranges prefabricated in situ in advance, the finished product commonality is not strong, foretell second, three types of superimposed sheet series, except that in the same needs place floor bottom reinforcing bar in advance prefabricated in situ, for improving the finished product commonality, generally adopt the design of check plate, application range has certain restriction. The type has certain self rigidity, can avoid vertical support in certain span, and the rib thereof influences the equipment pipeline wiring. The three laminated slab series are widely applied to various structural systems, but have certain limitations.
Disclosure of Invention
The invention aims to provide a novel steel bar truss composite floor slab to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel steel bar truss coincide floor, includes throat type profiled sheet, the prefabricated layer of concrete and steel bar truss, steel bar truss includes last quarter reinforcing bar, last quarter reinforcing bar and truss belly bracing reinforcing bar, truss belly bracing reinforcing bar welds and constitutes steel bar truss on last quarter reinforcing bar, steel bar truss passes through last quarter reinforcing bar welding on throat type profiled sheet.
Preferably, the application provides a novel steel bar truss coincide floor, wherein, still includes many horizontal reinforcement shaped steel, many pass through locking bolt fixed connection between horizontal reinforcement shaped steel bottom face and the throat type profiled sheet.
Preferably, the application provides a novel steel bar truss coincide floor, wherein, the precast concrete layer is pour in throat type profiled sheet bottom.
Preferably, the application provides a novel steel bar truss coincide floor, wherein, truss abdomen support reinforcement is wave structure.
Preferably, the manufacturing method comprises the following steps:
A. firstly, welding truss abdomen support steel bars on upper chord steel bars and lower chord steel bars to form a steel bar truss;
B. then welding and connecting the necking-type compression-molded steel plate with the steel bar truss;
C. then fixedly connecting the bottom end face of the transverse reinforcing section steel with the necking profiled steel plate through a locking bolt to obtain a laminated floor slab frame;
D. then, overturning the laminated floor slab frame and pouring bottom concrete to manufacture a concrete bottom plate;
E. finally, the composite floor slab frame is turned over and then concrete is poured on site to form a composite floor slab;
F. and the bottom plates of the adjacent superposed floors are overlapped and occluded through profiled steel sheets.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention adopts the necking profiled steel sheet, improves the binding force between the profiled steel sheet and the lower layer concrete, and reduces the thickness of the prefabricated layer; the steel bar truss is combined with a proper steel bar truss, the strength of upper and lower chord bars of the steel bar truss is fully utilized, transverse steel bars are paved on site, and reinforcing of the bidirectional plate is easily realized; in addition, concrete below the necking profiled steel sheet can serve as a protective layer for the lower chord steel bars and the profiled steel sheet, the effect of the profiled steel sheet is effectively utilized, the strength and rigidity of the prefabricated part are enhanced, and the problems of attractiveness, fire-proof spraying and corrosion-resistant maintenance are not needed to be considered.
(2) According to the invention, the bottom plates of the adjacent steel bar truss composite floor slabs are overlapped and occluded through the profiled steel sheets, so that the method is simple and applicable, the working time of the slab laying is greatly saved, two steel truss templates can be well and closely connected together, and the problem of slurry leakage during the concrete site pouring is effectively avoided.
(3) According to the invention, the galvanized steel sheet below the steel bar truss floor support plate is changed into a necking-type profiled steel sheet, so that the adhesive force between upper-layer concrete and lower-layer concrete of the profiled steel sheet is improved; the strength and rigidity of the steel bar truss and the profiled steel sheet are fully exerted, the requirement for vertical support in a certain span range can be met, after a continuous plate is formed, the span of the vertical support is avoided to be larger, and the application range is wider.
(4) The invention is provided with the transverse profile steel to strengthen the transverse rigidity and adjust the rigidity in all directions.
(5) The invention has wider application range, can be used for steel structure buildings and concrete buildings, and can be matched with prefabricated assembled concrete members for use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of a reduced-throat profiled steel sheet according to the present invention;
FIG. 3 is a cross-sectional view of a composite floor slab of the present invention;
FIG. 4 is a top view of a composite floor slab of the present invention;
FIG. 5 is a front view of a composite floor slab of the present invention;
in the figure: the steel plate comprises a necking-type compression steel plate 1, a lower chord steel bar 2, an upper chord steel bar 3, a truss abdomen supporting steel bar 4, a transverse reinforcing steel bar 5, a concrete prefabricated layer 6 and upper concrete 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a novel steel bar truss composite floor slab comprises a necking-type compression-molded steel plate 1, a concrete prefabricated layer 6 and a steel bar truss, wherein the steel bar truss comprises an upper chord steel bar 3, a lower chord steel bar 2 and truss abdomen supporting steel bars 4, the truss abdomen supporting steel bars 4 are welded on the upper chord steel bar 3 and the lower chord steel bar 2 to form the steel bar truss, and the truss abdomen supporting steel bars 4 are of a wave-shaped structure; the steel bar truss is welded on the necking-type compression-molded steel plate 1 through the lower chord steel bar 2; the concrete prefabricated layer 6 is poured at the bottom of the necking profiled steel sheet.
The invention also comprises a plurality of transverse reinforcing section steels 5, and the bottom end surfaces of the plurality of transverse reinforcing section steels 5 are fixedly connected with the necking profiled steel sheet 1 through locking bolts.
The manufacturing method of the invention comprises the following steps:
A. firstly, welding truss abdomen support steel bars 4 on upper chord steel bars 3 and lower chord steel bars 2 to form a steel bar truss;
B. then, welding and connecting the necking-type compression-molded steel plate 1 with the steel bar truss;
C. then, fixedly connecting the bottom end surface of the transverse reinforcing section steel 5 with the necking profiled steel sheet 1 through a locking bolt to obtain a laminated floor slab frame;
D. then, overturning the laminated floor slab frame and pouring bottom concrete to manufacture a concrete bottom plate;
E. finally, the composite floor slab frame is turned over and then concrete 7 is poured on site to form a composite floor slab;
F. and the bottom plates of the adjacent superposed floors are overlapped and occluded through profiled steel sheets.
In conclusion, the necking profiled steel plate is adopted, so that the bonding force between the profiled steel plate and the lower layer concrete is improved, and the thickness of a prefabricated layer is reduced; the steel bar truss is combined with a proper steel bar truss, the strength of upper and lower chord bars of the steel bar truss is fully utilized, transverse steel bars are paved on site, and reinforcing of the bidirectional plate is easily realized; in addition, concrete below the necking profiled steel sheet can be used as a protective layer for the lower chord steel bars and the profiled steel sheet, the effect of the profiled steel sheet is effectively utilized, the strength and the rigidity of the prefabricated part are enhanced, and the problems of attractiveness, fireproof spraying and corrosion prevention maintenance are not needed to be considered; according to the invention, the bottom plates of the laminated floor slabs of the adjacent steel bar trusses are overlapped and occluded through the profiled steel sheets, so that the method is simple and applicable, the working time of the floor slabs is greatly saved, two steel truss templates can be well and closely connected together, and the problem of slurry leakage during concrete site pouring is effectively avoided; according to the invention, the galvanized steel sheet below the steel bar truss floor support plate is changed into a necking-type profiled steel sheet, so that the adhesive force between upper-layer concrete and lower-layer concrete of the profiled steel sheet is improved; the strength and rigidity of the steel bar truss and the profiled steel sheet are fully exerted, the requirement of vertical support free within a certain span range can be met, the vertical support free span is larger after a continuous plate is formed, and the application range is wider; the transverse profile steel is arranged to enhance transverse rigidity and adjust rigidity in each direction; the invention has wider application range, can be used for steel structure buildings and concrete buildings, and can be matched with prefabricated assembled concrete members for use.
It will be evident to those skilled in the art that the invention 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 invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a novel steel bar truss coincide floor, includes throat type profiled steel sheet (1), precast concrete layer (6) and steel bar truss, its characterized in that: the steel bar truss comprises an upper chord steel bar (3), a lower chord steel bar (2) and truss abdomen supporting steel bars (4), wherein the truss abdomen supporting steel bars (4) are welded on the upper chord steel bar (3) and the lower chord steel bar (2) to form the steel bar truss, and the steel bar truss is welded on the necking type compression steel plate (1) through the lower chord steel bar (2).
2. The novel steel bar truss composite floor slab as claimed in claim 1, wherein: still include many horizontal reinforcement shaped steel (5), many pass through locking bolt fixed connection between horizontal reinforcement shaped steel (5) bottom face and the necking down type profiled sheet (1).
3. The novel steel bar truss composite floor slab as claimed in claim 1, wherein: and the concrete prefabricated layer (6) is poured at the bottom of the necking profiled steel sheet.
4. The novel steel bar truss composite floor slab as claimed in claim 1, wherein: the truss abdomen supporting steel bars (4) are of a wave-shaped structure.
5. The manufacturing method for the novel steel bar truss composite floor slab of the claim 1 is realized, and is characterized in that: the manufacturing method comprises the following steps:
A. firstly, welding truss abdomen support steel bars on upper chord steel bars and lower chord steel bars to form a steel bar truss;
B. then welding and connecting the necking-type compression-molded steel plate with the steel bar truss;
C. then fixedly connecting the bottom end face of the transverse reinforcing section steel with the necking profiled steel plate through a locking bolt to obtain a laminated floor slab frame;
D. then, overturning the laminated floor slab frame and pouring bottom concrete to manufacture a concrete bottom plate;
E. finally, the composite floor slab frame is turned over and then concrete is poured on site to form a composite floor slab;
F. and the bottom plates of the adjacent superposed floors are overlapped and occluded through profiled steel sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856347.6A CN113374168A (en) | 2021-07-28 | 2021-07-28 | Novel steel bar truss coincide floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856347.6A CN113374168A (en) | 2021-07-28 | 2021-07-28 | Novel steel bar truss coincide floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113374168A true CN113374168A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110856347.6A Pending CN113374168A (en) | 2021-07-28 | 2021-07-28 | Novel steel bar truss coincide floor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575513A (en) * | 2022-03-14 | 2022-06-03 | 河南尚同建筑科技有限公司 | Processing technology of vacuum extrusion molding fiber cement composite floor slab |
| CN115288358A (en) * | 2022-07-26 | 2022-11-04 | 昆明华城兴建材有限公司 | Fiber reinforced cement board built-in fixed net rack |
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| CN102383513A (en) * | 2011-09-09 | 2012-03-21 | 邹剑强 | Concrete reinforced profiled steel sheet, composite slab and method for constructing composite slab |
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| CN104929289A (en) * | 2015-06-15 | 2015-09-23 | 殷诗宝 | Light concrete combined precast laminated floor slab |
| CN106049747A (en) * | 2016-07-15 | 2016-10-26 | 中国矿业大学 | Honeycomb profiled steel sheet-concrete precast slab |
| CN206707084U (en) * | 2017-03-20 | 2017-12-05 | 开平市华鼎金属结构工程有限公司 | A kind of composite floor |
| CN110206210A (en) * | 2019-06-13 | 2019-09-06 | 石家庄铁道大学 | Assembled composite floor plate and its construction method |
| CN112982782A (en) * | 2021-02-25 | 2021-06-18 | 西安建筑科技大学 | Assembly type disassembly-free steel bar truss floor bearing plate |
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2021
- 2021-07-28 CN CN202110856347.6A patent/CN113374168A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040231276A1 (en) * | 2001-06-12 | 2004-11-25 | Mark Patrick | Structural formwork member |
| CN102383513A (en) * | 2011-09-09 | 2012-03-21 | 邹剑强 | Concrete reinforced profiled steel sheet, composite slab and method for constructing composite slab |
| CN202390981U (en) * | 2011-12-15 | 2012-08-22 | 惠生工程（中国）有限公司 | Combined floor slab |
| CN102877582A (en) * | 2012-10-16 | 2013-01-16 | 北京工业大学 | Composite floor with steel bar trusses, profiled steel plate and regenerated concrete, and manufacturing method for composite floor |
| CN104594192A (en) * | 2014-12-03 | 2015-05-06 | 华东交通大学 | Composite bridge deck slab of gradient structure |
| CN104929289A (en) * | 2015-06-15 | 2015-09-23 | 殷诗宝 | Light concrete combined precast laminated floor slab |
| CN106049747A (en) * | 2016-07-15 | 2016-10-26 | 中国矿业大学 | Honeycomb profiled steel sheet-concrete precast slab |
| CN206707084U (en) * | 2017-03-20 | 2017-12-05 | 开平市华鼎金属结构工程有限公司 | A kind of composite floor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575513A (en) * | 2022-03-14 | 2022-06-03 | 河南尚同建筑科技有限公司 | Processing technology of vacuum extrusion molding fiber cement composite floor slab |
| CN114575513B (en) * | 2022-03-14 | 2023-09-01 | 河南尚同建筑科技有限公司 | Processing technology of vacuum extrusion molding fiber cement composite floor slab |
| CN115288358A (en) * | 2022-07-26 | 2022-11-04 | 昆明华城兴建材有限公司 | Fiber reinforced cement board built-in fixed net rack |
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