CN217896921U - Bidirectional ribbed cavity floor module for steel structure - Google Patents
Bidirectional ribbed cavity floor module for steel structure Download PDFInfo
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- CN217896921U CN217896921U CN202123449708.XU CN202123449708U CN217896921U CN 217896921 U CN217896921 U CN 217896921U CN 202123449708 U CN202123449708 U CN 202123449708U CN 217896921 U CN217896921 U CN 217896921U
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Abstract
The utility model discloses a two-way close rib cavity superstructure module for steel construction relates to assembly type structure technical field, a two-way close rib cavity superstructure module for steel construction is by the close rib roof beam of 2 piece at least parallel vertical shaped steel, the close rib roof beam of 2 piece at least parallel horizontal shaped steel, 1 piece at least reinforced concrete bottom plate, 1 piece at least reinforced concrete apron and 1 piece at least integrated pipeline spare are constituteed, shaped steel in vertical shaped steel close rib roof beam and/or the close rib roof beam of horizontal shaped steel and the bar connection of bottom plate to smash integratively through concrete, shelve on the precast concrete position of the close rib roof beam of vertical shaped steel close rib roof beam and/or horizontal shaped steel close rib roof beam of 2 piece parallels on the apron, the utility model provides a two-way close rib cavity module industrialization degree for steel construction height saves the engineering time, has reduced the quantity of formwork vaulting pole, practices thrift the time limit for a project, can effectively reduce cost.
Description
Technical Field
The utility model relates to an assembly type structure technical field, concretely relates to steel construction is with two-way close rib cavity superstructure module.
Background
At present, steel bar truss floor bearing plates are only used in the application of steel structure floor systems except for cast-in-place concrete floor slabs. Compared with a cast-in-place concrete floor slab, the quantity of the supporting formwork and the cast-in-place concrete of the steel bar truss floor slab is not reduced, and only the quantity of the horizontal formworks is reduced, so that the steel bar truss floor slab is not a true assembly type construction process; neither can save the construction period, nor can reduce the workload of manpower, especially wet operation, or can save the manufacturing cost. The composite floor slab with more applications in the reinforced concrete structure at present has smaller suitable span, larger self weight of the floor slab, and the same and smaller wet operation amount of cast-in-place on the composite slab.
Concrete dense-rib cavity floor systems have been widely used in prefabricated concrete structures in recent years, and attempts have been made in steel structure engineering. For example, a utility model patent (patent No. ZL 200420103009.7) of a cast-in-place concrete hidden dense rib slab-free hollow floor discloses a technical scheme of combining a prefabricated cover plate and a cast-in-place concrete section steel dense rib beam into a concrete dense rib cavity floor, but the invention is a cast-in-place section steel dense rib beam and cast-in-place slab mode, and does not belong to an assembly type building; for another example, a two-way ribbed cavity floor and a utility model patent of a construction method thereof (patent No. ZL 201310490037.2) disclose a technical scheme of forming a ribbed cavity floor by combining a section steel ribbed beam and a prefabricated reinforced concrete slab, although the floor and the process can be listed in an assembly type construction technology, the construction process is complex, and the prefabricated bottom plate and the section steel beam are not reliably connected.
Aiming at the problems, by combining the characteristics of the structure of the steel structure, a novel assembled multi-ribbed cavity module suitable for the fusion of the steel structure construction process is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a steel construction is with two-way close rib cavity superstructure module.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a bidirectional multi-ribbed cavity floor module for a steel structure comprises at least 2 parallel longitudinal section steel multi-ribbed beams, at least 2 parallel transverse section steel multi-ribbed beams, at least 1 reinforced concrete base plate, at least 1 cover plate and at least 1 integrated pipeline piece, wherein section steel in the longitudinal section steel multi-ribbed beams and/or the transverse section steel multi-ribbed beams is connected with steel bars of the base plate and is tamped into a whole by concrete, the height of precast concrete in the longitudinal section steel multi-ribbed beams and/or the transverse section steel multi-ribbed beams is smaller than or equal to the designed height of the section steel multi-ribbed beams, the difference of the thickness of the cover plate is reduced, the integrated pipeline piece is fixed on the base plate, and the cover plate is placed on the precast concrete parts of the 2 parallel longitudinal section steel multi-ribbed beams and/or the transverse section steel multi-ribbed beams.
On the basis of the technical scheme, holes are reserved on a web plate or a side plate of the section steel in the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam; or a conduit is reserved in the hole; or the width of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam is more than or equal to the width of the section steel upper flange of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam or the width of the section steel.
The center distance of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam is 600-1200 mm; or the height of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam is 200-1500 mm; or the width of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam is 100-400 mm; or the number of the longitudinal section steel multi-ribbed beams and/or the transverse section steel multi-ribbed beams is 2, 3 or 4.
On the basis of the technical scheme, the sides of the upper and lower flange plates of the section steel in the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam are welded with stiffeners, and the stiffeners are one or a combination of steel bars, steel plate strips and steel mesh.
On the basis of the technical scheme, the section steel sections in the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam are in one or a combination of the shapes of I, T and L; or the section steel in the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam is a light steel composite structure.
On the basis of the technical scheme, the bottom plate is provided with reinforcing steel bars, reinforcing steel bar meshes or prestressed tendons; or when the bottom plate is provided with the steel bars and is vertically connected with the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam, the tail end of each vertical steel bar is provided with the longitudinal steel bars along the direction of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam, and the longitudinal steel bars are welded with the web plate or the lower flange plate of the section steel beam; or the steel bars in the bottom plate, which are perpendicular to the longitudinal steel multi-ribbed beams and/or the transverse steel multi-ribbed beams, penetrate through the web plates or the side plates of the steel multi-ribbed beams and extend outwards in one direction or two directions, so that the single side or two sides of the prefabricated bottom plate are selected out towards the outer sides of the longitudinal steel multi-ribbed beams and/or the transverse steel multi-ribbed beams, and the inside of the selected bottom plate is provided with bottom ribs which extend out of the plate edge.
On the basis of the technical scheme, the integrated pipeline piece is provided with 1 or more pipeline ports; or one or a plurality of combinations of a reserved junction box, an electric appliance fixing base, a power socket and a temperature-sensing fire alarm monitoring device are arranged on the upper surface, close to the bottom plate, in the integrated pipeline piece; or the integrated pipeline piece is positioned at the bottom of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam.
On the basis of the technical scheme, the cover plate is formed by cast-in-place or prefabrication of reinforced concrete; or the reinforcing steel bars arranged in the cover plate extend out of the edge of the cover plate; or the width of the cover plate is more than or equal to the net spacing value of the adjacent 2 longitudinal section steel multi-ribbed beams or transverse section steel multi-ribbed beams; or the laying length of the cover plate arranged on the precast concrete part of the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam is 10 mm-20 mm; or the elevation of the plate bottom of the cover plate is equal to the elevation of the upper flange of the section steel in the longitudinal section steel multi-ribbed beam and/or the transverse section steel multi-ribbed beam or the elevation of the top surface of the section steel; or the plate of the cover plate is reserved with an access hole or a detection hole which is provided with a movable cover plate.
On the basis of the technical scheme, the two steel structures are spliced by the prefabricated ribbed cavity floor system module through lapping of the outward extending reinforcing steel bars of the bottom plate, a section steel beam is transversely placed and is respectively and rigidly connected with the two transverse section steel ribbed beams, and post-cast concrete is cured and formed;
or the prefabricated ribbed cavity floor system modules for the two steel structures are spliced by inserting a common longitudinal section steel ribbed beam and/or transverse section steel ribbed beam through corresponding two bottom plate overhanging reinforcing steel bars, rigidly connecting the common longitudinal section steel ribbed beam and/or transverse section steel ribbed beam with the longitudinal section steel ribbed beam and/or transverse section steel ribbed beam at the joint into a whole, and then pouring and tamping concrete together with the concrete of the longitudinal section steel ribbed beam and/or transverse section steel ribbed beam in site for forming;
or the splicing of the dense rib cavity floor modules for two steel structures is realized by rigidly connecting the longitudinal section steel dense rib beams and/or the transverse section steel dense rib beams of one module with the longitudinal section steel dense rib beams and/or the transverse section steel dense rib beams at the joints through the overhanging steel bars of the bottom plate of one module, and then pouring and tamping concrete together with the concrete of the longitudinal section steel dense rib beams and/or the transverse section steel dense rib beams to form the dense rib cavity floor modules for the steel structures on site.
Compared with the prior art, the utility model has the advantages of:
(1) Compared with the prior art, the bidirectional ribbed cavity floor module for the steel structure has the advantages that the prefabrication rate is high, and the industrialization degree is high; the assembled floor system has the advantages of high rigidity, high bearing capacity, high bidirectional stress performance and high integrity, can be more suitable for larger structural span, and is suitable for solving the problem of the assembled floor system of public buildings, even large-span public buildings.
(2) The utility model provides a two-way close rib cavity superstructure module for steel construction realizes exempting from formwork and prefabricated rate height completely, practices thrift the time limit for a project and effectively reduces the cost, can accomplish fast according to the construction scheme and build the construction.
(3) The utility model provides a two-way close rib cavity superstructure module for steel construction is rationally distributed, has both alleviateed the superstructure dead weight, has increased indoor net height again, reduces engineering cost.
Drawings
Fig. 1 is a schematic structural view of a one-way multi-ribbed cavity floor module for a steel structure in an embodiment of the present invention;
fig. 2 is a schematic view of the construction and assembly structure of a one-way multi-ribbed cavity floor module for a steel structure in the embodiment of the present invention;
fig. 3 is a schematic view of the construction and assembly structure of a one-way multi-ribbed cavity floor module for a steel structure in the embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides an in steel construction one-way close rib cavity superstructure module the construction assemble the structure sketch map.
In the figure: 1-multi-ribbed beam, 1-1-longitudinal section steel multi-ribbed beam, 1-2-transverse section steel multi-ribbed beam, 2-bottom plate, 3-cover plate, 4-integrated pipeline piece, 5-hole, 7-stiffener, 8-longitudinal steel bar, 9-supporting upright rod and 10-top plate.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the present invention provides a schematic structural diagram of a two-way multi-ribbed cavity floor module for a steel structure, which is composed of at least 2 parallel longitudinal steel multi-ribbed beams 1-1, at least 2 parallel transverse steel multi-ribbed beams 1-2, at least 1 reinforced concrete bottom plate 2, at least 1 reinforced concrete cover plate 3 and at least 1 integrated pipe member 4, wherein the section steel in the longitudinal steel multi-ribbed beams 1-1 and/or the transverse steel multi-ribbed beams 1-2 is connected with the steel bar of the bottom plate 2, and is tamped into a whole by concrete, the height of the precast concrete in the longitudinal steel multi-ribbed beams 1-1 and/or the transverse steel multi-ribbed beams 1-2 is less than or equal to the difference between the design height of the section steel multi-ribbed beams 1 and the thickness of the cover plate 3, the integrated pipe member 4 is fixed on the bottom plate 2, and the cover plate 3 is placed on the precast concrete part of the 2 parallel longitudinal steel multi-ribbed beams 1-1 and/or the transverse steel multi-ribbed beams 1-2.
A hole 5 is reserved on a web plate or a side plate of the section steel in the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2; or a conduit is reserved in the hole 5; or the width of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2 is more than or equal to the width of the section steel upper flange or the section steel of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2. The concrete can pass through the beam conveniently when needed, and the bottom plate steel bar can pass through the beam or the pipeline can pass through the beam conveniently.
The center distance of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2 is 600-1200 mm; or the height of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2 is 200-1500 mm; or the width of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2 is 100-400 mm; or the number of the longitudinal section steel multi-ribbed beams 1-1 and/or the transverse section steel multi-ribbed beams 1-2 is 2, 3 or 4. A common span of such modules is given.
The side edges of the upper and lower flange plates of the section steel in the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2 are welded with stiffeners 7, and the stiffeners 7 are one or a combination of steel bars, steel plate strips and steel mesh. The connecting performance of prefabricated or post-cast concrete in the longitudinal section steel multi-ribbed beam 1-1 and the transverse section steel multi-ribbed beam 1-2 and section steel beams and concrete is enhanced, and the shear strength of the multi-ribbed beam can be effectively improved, so that the self height of the section steel beams is reduced, the using function of a house is improved, and the construction cost is saved.
The section of the profile steel in the longitudinal profile steel multi-ribbed beam 1-1 and/or the transverse profile steel multi-ribbed beam 1-2 is in one or a combination of I shape, T shape and L shape; or the section steel in the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2 is a light steel composite structure.
The bottom plate 2 is provided with reinforcing steel bars, reinforcing steel bar meshes or prestressed tendons; or when the bottom plate 2 is provided with the steel bars and is vertically connected with the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2, the tail end of each vertical steel bar is provided with the longitudinal steel bar 8 along the direction of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2, and the longitudinal steel bar 8 is welded with the web plate or the lower flange plate of the section steel beam 1; or the steel bars in the bottom plate 2, which are perpendicular to the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2, penetrate through the web plate or the side plate of the section steel multi-ribbed beam 1 to extend outwards in one direction or two directions, so that the prefabricated bottom plate 2 is single-edge or double-edge projected to the outer side of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2, and the bottom ribs in the projected bottom plate 2 extend out of the plate edge.
The integrated pipeline piece 4 is provided with 1 or more pipeline inlets and outlets; or the integrated pipeline piece 4 is communicated with the hole 5 or the conduit; or one or a plurality of combinations of a reserved junction box, an electric appliance fixing base, a power socket and a temperature-sensing fire alarm monitoring device are arranged on the upper surface, close to the bottom plate 2, in the integrated pipeline piece 4; or the integrated pipeline part 4 is positioned at the bottom of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2.
The cover plate 3 is prefabricated and molded by reinforced concrete; or the reinforcing steel bars arranged in the cover plate 3 extend out of the edge of the cover plate 3; or the width of the cover plate 3 is more than or equal to the net spacing value of 1-1 of the adjacent 2 longitudinal section steel multi-ribbed beams or 1-2 of the transverse section steel multi-ribbed beams; or the laying length of the cover plate 3 laid on the precast concrete part of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2 is 10 mm-20 mm; or the elevation of the bottom of the cover plate 3 is equal to the elevation of the upper flange of the internal section steel or the top surface of the section steel of the longitudinal section steel multi-ribbed beam 1-1 and/or the transverse section steel multi-ribbed beam 1-2; or an access hole or a peep hole is reserved on the plate of the cover plate 3, and the access hole or the peep hole is provided with a movable cover plate.
Referring to fig. 2, which is a schematic view of a construction assembly structure of a one-way multi-ribbed cavity floor module for a steel structure in an embodiment of the present invention, two prefabricated multi-ribbed cavity floor modules for a steel structure are assembled by overlapping through an overhanging steel bar of a bottom plate 2 and transversely placing a section steel beam, the section steel beam respectively rigidly connects two transverse section steel multi-ribbed beams 1-2, and post-cast concrete is cured and formed;
referring to fig. 3, a schematic construction assembly structure diagram of a one-way ribbed cavity floor module for a steel structure in the embodiment of the present invention is shown, or two prefabricated ribbed cavity floor modules for a steel structure are spliced by inserting a common longitudinal steel ribbed beam 1-1 and/or a common transverse steel ribbed beam 1-2 through corresponding two bottom plate 2 overhanging steel bars, rigidly connecting the common longitudinal steel ribbed beam 1-1 and/or the common transverse steel ribbed beam 1-2 with the longitudinal steel ribbed beam 1-1 and/or the transverse steel ribbed beam 1-2 at the joint, and pouring and tamping concrete together with concrete of the longitudinal steel ribbed beam 1-1 and/or the transverse steel ribbed beam 1-2 to form a concrete on site;
referring to fig. 4, the embodiment of the present invention is a schematic structural diagram for construction and assembly of a steel structure used one-way ribbed cavity floor module, or the assembly of two steel structure used ribbed cavity floor modules is that a longitudinal steel ribbed beam 1-1 and/or a transverse steel ribbed beam 1-2 of another module is connected with an overhanging steel bar of a bottom plate 2 of one module, and is rigidly connected with the longitudinal steel ribbed beam 1-1 and/or the transverse steel ribbed beam 1-2 at the joint into a whole, and then cast and smash concrete together with the concrete of the longitudinal steel ribbed beam 1-1 and/or the transverse steel ribbed beam 1-2 in situ for forming.
The utility model discloses a two-way close rib cavity superstructure module rigidity is big, the bearing capacity is strong for the steel construction, exempts from formwork completely, and the prefabrication rate is big, and industrialization degree is high. The prefabricated floor slab is not only suitable for solving the problem of the prefabricated floor slab of a building type with large quantity and small span like a house, but also suitable for solving the problem of the prefabricated floor slab of a public building, even a large-span public building. The self weight of the floor is reduced, the construction period is shortened, the indoor clear height is increased, and the construction cost can be reduced.
Furthermore, the utility model discloses a steel construction is with two-way atress performance of prefabricated two-way close rib cavity superstructure module is good, the wholeness is strong, can more be applicable to bigger structural span than one-way prefabricated close rib cavity superstructure module.
The utility model provides a two-way close rib cavity superstructure module for steel construction compares with prior art, and rigidity is big, the bearing capacity is strong, and two-way atress performance is good, the wholeness is strong, can more be applicable to bigger structural span, is suitable for the assembled superstructure problem of solving public building or even great span public building.
The present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered to be within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (9)
1. The utility model provides a two-way close rib cavity superstructure module for steel construction comprises 2 parallel vertical shaped steel close rib roof beams (1-1), 2 parallel horizontal shaped steel close rib roof beams (1-2), 1 piece at least reinforced concrete bottom plate (2), 1 piece at least apron (3) and 1 piece at least integrated pipe spare (4) its characterized in that: the profile steel in the longitudinal profile steel dense-rib beam (1-1) and/or the transverse profile steel dense-rib beam (1-2) is connected with the steel bar of the bottom plate (2) and is tamped into a whole by concrete, the height of the precast concrete in the longitudinal profile steel dense-rib beam (1-1) and/or the transverse profile steel dense-rib beam (1-2) is less than or equal to the design height of the dense-rib beam (1) to reduce the difference of the thickness of the cover plate (3), the integrated pipeline member (4) is fixed on the top of the bottom plate (2), and the cover plate (3) is placed on the precast concrete part of the 2 parallel longitudinal profile steel dense-rib beams (1-1) and/or the transverse profile steel dense-rib beams (1-2).
2. The module of bi-directional multi-ribbed cavity floor system of claim 1, wherein: holes (5) are reserved on the web plate or the side plate of the section steel in the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2); or a guide pipe is reserved in the hole (5); or the width of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) is greater than or equal to the width of the section steel upper flange of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) or the width of the section steel.
3. The bidirectional multi-ribbed cavity floor module for the steel structure as claimed in claim 1, wherein: the center distance of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) is 600-1200 mm; or the height of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) is 200-1500 mm; or the width of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) is 100-400 mm; or the number of the longitudinal steel multi-ribbed beams (1-1) and/or the transverse steel multi-ribbed beams (1-2) is 2, 3 or 4.
4. The module of bi-directional multi-ribbed cavity floor system of claim 1, wherein: the side edges of the upper and lower flange plates of the section steel in the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) are welded with stiffeners (7), and the stiffeners (7) are one or a combination of steel bars, steel plate strips and steel mesh.
5. The module of bi-directional multi-ribbed cavity floor system of claim 1, wherein: the section steel section in the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) is in one or a combination of the shapes of I, T and L; or the section steel in the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) is a light steel composite structure.
6. The module of bi-directional multi-ribbed cavity floor system of claim 1, wherein: the bottom plate (2) is internally provided with steel bars, steel bar meshes or prestressed tendons; or when the bottom plate (2) is provided with the steel bars and the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) to be vertically connected, the tail end of each vertical steel bar is provided with the longitudinal steel bar (8) along the direction of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2), and the longitudinal steel bar (8) is welded with a web plate or a lower flange plate of the multi-ribbed beam (1); or the steel bars in the bottom plate (2) perpendicular to the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) penetrate through the web plate or the side plate of the multi-ribbed beam (1) to extend outwards in one direction or two directions, so that the prefabricated bottom plate (2) is pulled out from the outer side of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) in one side or two sides, and bottom ribs extend out of the plate edge in the pulled out bottom plate (2).
7. The module of bi-directional multi-ribbed cavity floor system of claim 1, wherein: the integrated pipeline piece (4) is provided with 1 or more pipeline ports; or one or a plurality of combinations of a reserved junction box, an electric appliance fixing base, a power socket and a temperature-sensing fire alarm monitoring device are arranged on the upper surface, close to the bottom plate (2), in the integrated pipeline piece (4); or the integrated pipeline piece (4) is positioned at the bottom of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2).
8. The module of bi-directional multi-ribbed cavity floor system of claim 1, wherein: the cover plate (3) is formed by casting or prefabricating reinforced concrete in place; or the reinforcing steel bars arranged in the cover plate (3) extend out of the edge of the cover plate (3); or the width of the cover plate (3) is more than or equal to the net spacing value of 2 adjacent longitudinal section steel multi-ribbed beams (1-1) or transverse section steel multi-ribbed beams (1-2); or the laying length of the cover plate (3) arranged on the precast concrete part of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) is 10 mm-20 mm; or the elevation of the bottom of the cover plate (3) is equal to the elevation of the upper flange of the internal section steel or the top surface of the section steel of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2); or an access hole or a detection hole is reserved on the plate of the cover plate (3), and the access hole or the detection hole is provided with a movable cover plate.
9. The module of bi-directional multi-ribbed cavity floor system of claim 1, wherein: the splicing of the prefabricated ribbed cavity floor system modules for the two steel structures is realized by lapping through the overhanging steel bars of the bottom plate (2), transversely placing a section steel beam, respectively and rigidly connecting the two transverse section steel ribbed beams (1-2), and performing post-cast concrete curing and forming;
or the prefabricated ribbed cavity floor system modules for two steel structures are spliced by inserting a public longitudinal section steel ribbed beam (1-1) and/or a public transverse section steel ribbed beam (1-2) through corresponding two bottom plate (2) overhanging reinforcing steel bars, rigidly connecting the public longitudinal section steel ribbed beam (1-1) and/or the public transverse section steel ribbed beam (1-2) at the joint into a whole, and pouring and tamping concrete together with the concrete of the longitudinal section steel ribbed beam (1-1) and/or the transverse section steel ribbed beam (1-2) for forming on site;
or the splicing of the multi-ribbed cavity floor system modules for two steel structures is realized by rigidly connecting the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) of one module with the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) at the joint through the overhanging steel bar of the bottom plate (2) of one module, and then pouring and tamping concrete together with the concrete of the longitudinal section steel multi-ribbed beam (1-1) and/or the transverse section steel multi-ribbed beam (1-2) to form the multi-ribbed cavity floor system modules for the steel structures on site.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123449708.XU CN217896921U (en) | 2021-12-31 | 2021-12-31 | Bidirectional ribbed cavity floor module for steel structure |
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| CN202123449708.XU CN217896921U (en) | 2021-12-31 | 2021-12-31 | Bidirectional ribbed cavity floor module for steel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874747A (en) * | 2022-12-01 | 2023-03-31 | 山东高速德建集团有限公司 | Large-span concrete dense-row beam floor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874747A (en) * | 2022-12-01 | 2023-03-31 | 山东高速德建集团有限公司 | Large-span concrete dense-row beam floor |
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