CN112196168A - Assembled integral hollow floor and prefabricated high-rib superposed bottom plate thereof - Google Patents

Assembled integral hollow floor and prefabricated high-rib superposed bottom plate thereof Download PDF

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Publication number
CN112196168A
CN112196168A CN202011225858.XA CN202011225858A CN112196168A CN 112196168 A CN112196168 A CN 112196168A CN 202011225858 A CN202011225858 A CN 202011225858A CN 112196168 A CN112196168 A CN 112196168A
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CN
China
Prior art keywords
rib
superposed
prefabricated high
bottom plate
assembled integral
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Pending
Application number
CN202011225858.XA
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Chinese (zh)
Inventor
吴永兴
陈博
韩俊
韩磊
于锋
吴永更
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Individual
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Individual
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Priority to CN202011225858.XA priority Critical patent/CN112196168A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • E04B5/23Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • E04B5/23Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/26Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
    • E04B5/261Monolithic filling members
    • E04B5/265Monolithic filling members with one or more hollow cores

Abstract

The invention discloses an assembled integral hollow floor and a prefabricated high rib superposed base plate thereof, which comprises an assembled integral hollow plate and a superposed frame beam, wherein the assembled integral hollow plate comprises a prefabricated high rib superposed base plate, a hollow plate built-in filler, a cast-in-situ superposed layer and a cast-in-situ superposed rib; the hollow slab built-in filler is a light filler block, a thin-wall member or a quick and easy net disassembly-free template; the superposed frame beams are arranged around the assembled integral hollow slab; the hollow floor structure has the advantages of light dead weight, large plate span, large plate rigidity and strong bearing capacity, saves the using amount of reinforcing steel bars, obviously reduces the structural height, improves the use clearance, saves a large number of templates and effectively shortens the construction period.

Description

Assembled integral hollow floor and prefabricated high-rib superposed bottom plate thereof
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an assembled integral hollow floor and a prefabricated high-rib superposed bottom plate thereof.
Background
With the national requirements on mining control of mineral resources and environmental protection and the continuous rise of labor cost, the country requires more environmental protection and energy conservation for the building industry, and also provides various new energy-saving and environment-friendly building technologies, such as assembly buildings, cast-in-place concrete hollow floors and the like. The prefabricated component of the assembly type building is produced in a standardized way in a factory, the quality is guaranteed, and the assembly type composite floor slab further reduces the procedures of erecting and template installation construction, reduces the manpower requirement, reduces the cost of manpower and template materials and the like, accelerates the construction speed, reduces construction site construction waste and saves the construction cost; however, the traditional assembled composite floor slab has small span, the floor slab formed by overlapping the assembled composite components and the cast-in-place concrete is too thick, the self weight of the floor slab is increased, the waste of raw materials is caused, the connection structure between the assembled composite components is unstable, cracks are easy to generate, and the problems of engineering quality reduction and the like are caused.
Disclosure of Invention
The invention aims to provide an assembled integral hollow floor and a prefabricated high-rib superposed bottom plate thereof, which aim to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an assembled integral hollow floor and a prefabricated high-rib superposed floor thereof comprise an assembled integral hollow slab and a superposed frame beam, wherein the assembled integral hollow slab comprises a prefabricated high-rib superposed floor, a hollow slab built-in filler, a cast-in-situ superposed layer and a cast-in-situ superposed rib; the hollow slab built-in filler is a light filler block, a thin-wall member or a quick and easy net disassembly-free template;
the overlapped frame beams are arranged on the periphery of the assembled integral hollow slab and supported by the frame columns connected with the overlapped frame beams.
Preferably, the upturning rib is of a unidirectional structure, and the assembled integral hollow slab is provided with a unidirectional hole forming structure and a unidirectional rib beam structure.
Preferably, the upturning rib is of a bidirectional structure, and the assembled integral hollow slab is provided with a bidirectional hole forming structure and a bidirectional rib beam structure.
Preferably, the prefabricated high rib superposed bottom plate and the built-in filler of the hollow plate are connected in a clamping groove socket joint mode, a snap fastener mode or an iron wire binding mode, and the root of the joint of the upturned rib and the prefabricated high rib superposed bottom plate is provided with an armpit structure for improving the strength of the prefabricated high rib superposed bottom plate.
Preferably, the prefabricated high-rib superposed bottom plate is internally provided with a bottom plate bidirectional stress reinforcing steel bar.
Preferably, the rough surface of the upper surface of the upturned rib is formed by napping.
Preferably, a downward-turning solid supporting plate is arranged at the joint of the frame column and the superposed frame beam, and the prefabricated high-rib superposed bottom plate is in a unfilled corner design or an irregular polygon design at the downward-turning solid supporting plate and is matched with the downward-turning solid supporting plate in shape.
Preferably, the prefabricated high-rib superposed bottom plate is of an integral structure or formed by splicing a plurality of prefabricated high-rib superposed bottom plates.
Preferably, splice cast-in-place nodes are arranged among the prefabricated high rib superposed base plates.
Preferably, the assembled integral hollow slab is in a local solid structure at the stress concentration position of four corners by adopting a mode of canceling an internal filling body, reducing the height of the internal filling body or performing local thickening treatment on a prefabricated high-rib superposed bottom plate.
Has the advantages that: compared with the prior art, the invention has the beneficial effects that: the structure dead weight is light, the plate span is large, the plate rigidity is large, the bearing capacity is strong, the using amount of reinforcing steel bars is saved, and the plate is particularly suitable for large-span, large-space and large-load buildings; the floor has a large cavity structure, an I-shaped stress section and a bidirectional grid cast-in-place superposed rib force transmission system; the hollow rate of the floor is high, the structure dead weight is light, the plate rigidity is large, the bearing capacity is high, the reinforcing steel bar and the concrete consumption are saved, the floor is particularly suitable for large-span, large-space and large-load buildings, and compared with a common beam plate structure, the floor obviously reduces the structure height and improves the use clearance; the bottom is flat, the using effect is attractive, the sound insulation effect is excellent, the heat preservation and insulation effect is good, and the building energy saving effect is good; because the laminated slab is used as a bottom die of the floor slab, and the filling bodies are arranged in the hollow slabs and used as side dies, a large number of on-site templates are saved; because a large number of laminated slabs and built-in filling bodies are produced in factories, the field construction strength and the construction procedures are greatly reduced, and the construction period is effectively shortened.
Drawings
Fig. 1 is a top view of a unidirectional structure of an assembled integral hollow floor provided by the invention.
Fig. 2 is a longitudinal sectional view of fig. 1.
Fig. 3 is a perspective view of fig. 1.
Fig. 4 is a schematic view showing the construction of the laminated base plate of fig. 1.
Fig. 5 is a schematic view of the combination of the laminated bottom plate, the built-in filling body and the cast-in-place laminated layer in fig. 1.
Fig. 6 is a schematic view of the combination of the laminated base plate and the built-in filling body in fig. 1.
Fig. 7 is a schematic view of the reinforcement of the laminated base plate in fig. 1.
Fig. 8 is a schematic view of the reinforcing and shearing structure of the laminated floor in fig. 1.
Fig. 9 is a top view of a bidirectional structure of an assembled integral hollow floor according to the present invention.
Fig. 10 is a longitudinal sectional view of fig. 9.
Fig. 11 is a perspective view of the combination of the laminated base plate and the built-in filling body of fig. 9.
Fig. 12 is a perspective view of the laminated base plate of fig. 9.
Fig. 13 is a schematic view of the reinforcing and shear-resisting structure of the prefabricated high rib laminated bottom plate in fig. 9.
Fig. 14 is a front view of fig. 13.
Figure 15 is a cross-sectional view of the laminated base plate, infill insert and cast-in-place laminate of figure 9.
FIG. 16 is a sectional view of the cast-in-place joint at the patchwork of FIG. 9.
Fig. 17 is a top view of a bi-directional structure of an assembled monolithic hollow floor slab with a pallet according to the present invention.
Fig. 18 is a longitudinal sectional view of fig. 17.
Fig. 19 is a top view of another embodiment of a bi-directional structure for assembling a unitary hollow floor slab with a pallet according to the present invention.
Fig. 20 is a longitudinal sectional view of fig. 19.
Fig. 21 is a schematic view of a bidirectional rib of a laminated base plate.
Fig. 22 is a perspective view of the combination of the laminated base plate and the built-in filling body.
Fig. 23 is a schematic view of the combination of the laminated base plate and the built-in filling body.
Figure 24 is a cross-sectional view of a laminated base plate, an insert filler and a cast-in-place laminate.
Figure 25 is another cross-sectional view of the laminated base slab, infill insert and cast-in-place laminated layer.
Fig. 26 is a schematic view of different connection modes of the prefabricated high rib laminated bottom plate and the hollow plate built-in filling body.
Fig. 27 is a schematic diagram of reinforcement of a prefabricated high rib laminated base plate.
In the drawings: 1-laminated frame beam, 2-frame column, 3-prefabricated high rib laminated bottom plate, 4-hollow plate built-in filler, 5-cast-in-place laminated layer, 6-cast-in-place laminated rib, 7-upturning rib, 8-shear key, 9-truss reinforcing steel bar and shear short rib, 10-bottom plate bidirectional stress reinforcing steel bar, 11-downturning solid supporting plate, 12-splice cast-in-place node, 13-local solid, 14-slot socket and spigot joint, 15-snap fastener, 16-cast-in-place laminated rib beam, 17-local widening rib, 18-reserved hole on plate and 19-haunch.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Examples
Please refer to the attached drawings of the specification, an assembled integral hollow floor comprises an assembled integral hollow slab and a superposed frame beam 1, wherein the assembled integral hollow slab comprises a prefabricated high rib superposed base plate 3, a hollow slab built-in filler 4, a cast-in-situ superposed layer 5 and a cast-in-situ superposed rib 6, the prefabricated high rib superposed base plate 3 is provided with an upper turnover rib 7, the side surface of the prefabricated high rib superposed base plate 3 and the upper surface of the upper turnover rib 7 are provided with shear resistant keys 8, the upper surface of the upper turnover rib 7 is provided with a truss steel bar or a shear resistant short rib 9 and is connected with the cast-in-situ superposed layer 5 or the cast-in-situ superposed rib 6, and the upper surface of the upper turnover rib 7 is a rough surface; the hollow slab built-in filler 4 is a light filler block, a thin-wall member or a quick and easy net disassembly-free template; the superposed frame beams 1 are arranged around the assembled integral hollow slab, and the superposed frame beams 1 are supported by frame columns 2 arranged at four corners. The prefabricated high rib superposed bottom plate 3 has a unidirectional or bidirectional upturned rib structure, and the lateral surface of the prefabricated high rib superposed bottom plate 3 is provided with a shear key 8 (shear tooth or shear groove) structure. The upper surface of the upturned rib 7 is provided with a shear key 8 (shear tooth or shear groove) structure, and the upper surface of the upturned rib 7 is provided with truss steel bars or shear short bars 9 and is connected with the cast-in-place layer; the upper surface of the upturned rib 7 is a rough surface and is generally subjected to napping treatment. The hollow slab built-in filler 4 is generally a light filler block or a thin-wall member or a quick and easy net disassembly-free template system, and has certain structural strength and rigidity, so that the construction load requirement is met. The height and the plane size of the hollow plate built-in filling body 4 can be adjusted according to actual stress, and the filling body can be cancelled or replaced by a small first filling body at the stress concentration part of the column head.
The prefabricated high-rib superposed bottom plate 3 consists of a flat plate and an upper turnover rib 7, the thickness of the flat plate can be thickened at a position with large stress, the upper turnover rib 7 can be widened, and an additional steel bar can be arranged in the rib; when a hole is reserved on the prefabricated high rib superposed bottom plate 3, the plate thickness can be locally thickened, reinforcing stressed steel bars are added in the plate, the upturned ribs 7 on the periphery of the hole can be widened, and reinforcing steel bars can be added in the upturned ribs; the shear-resistant steel bars reserved in the upturned ribs 7 can be arranged according to the actual stress condition, the diameter of the shear-resistant steel bars can be increased at the position with large shear force, and the space is encrypted; when the prefabricated high rib laminated bottom plate 3 is arranged to meet different column nets, a unfilled corner design or even a special-shaped polygonal design can be made.
The connection between the prefabricated high rib superposed bottom plate 3 and the hollow plate built-in filler 4 can be in various modes, such as a clamping groove socket 14, a snap fastener 15, an iron wire binding mode and the like.
The height of the upper turning rib 7 of the prefabricated high rib superposed base plate 3 can be adjusted according to the design span of the prefabricated high rib superposed base plate 3, the height of the upper turning rib 7 is higher, the larger the span of the superposed slab is, and the application range is wider compared with that of the traditional reinforced truss concrete superposed slab.
The assembled integral hollow floor system provided by the invention has the advantages of light structure dead weight, large plate span, large plate rigidity and strong bearing capacity, saves the using amount of reinforcing steel bars, and is particularly suitable for large-span, large-space and large-load buildings; the floor has a large cavity structure, an I-shaped stress section and a bidirectional grid cast-in-place superposed rib force transmission system; the hollow rate of the floor is high, the structure dead weight is light, the plate rigidity is large, the bearing capacity is high, the reinforcing steel bar and the concrete consumption are saved, the floor is particularly suitable for large-span, large-space and large-load buildings, and compared with a common beam plate structure, the floor obviously reduces the structure height and improves the use clearance; the bottom is flat, the using effect is attractive, the sound insulation effect is excellent, the heat preservation and insulation effect is good, and the building energy saving effect is good; because the laminated slab is used as a bottom die of the floor slab, and the filling bodies are arranged in the hollow slabs and used as side dies, a large number of on-site templates are saved; because a large number of laminated slabs and built-in filling bodies are produced in factories, the field construction strength and the construction procedures are greatly reduced, and the construction period is effectively shortened.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (10)

1. The utility model provides an assemble integral hollow superstructure which characterized in that: the prefabricated integral type hollow slab comprises a prefabricated high rib superposed bottom plate, a hollow slab built-in filler, a cast-in-place superposed layer and a cast-in-place superposed rib, wherein the prefabricated high rib superposed bottom plate is provided with an upturned rib, the side surface of the prefabricated high rib superposed bottom plate and the upper surface of the upturned rib are provided with shear key slots, the shear key slots are uniformly distributed according to a certain interval, the upper surface of the upturned rib is provided with truss reinforcing steel bars or shear short ribs and is combined with the cast-in-place superposed layer or the cast-in-place superposed rib, and the upper surface of the upturned rib is a rough surface; the hollow slab built-in filler is a light filler block, a thin-wall member or a quick and easy net disassembly-free template;
the overlapped frame beams are arranged on the periphery of the assembled integral hollow slab and supported by the frame columns connected with the overlapped frame beams.
2. An assembled integral hollow floor system according to claim 1, wherein: the upturning rib is of a unidirectional structure, and the assembled integral hollow slab is provided with a unidirectional hole forming structure and a unidirectional rib beam structure.
3. An assembled integral hollow floor system according to claim 1, wherein: the upturning rib is of a bidirectional structure, and the assembled integral hollow slab is provided with a bidirectional hole forming structure and a bidirectional rib beam structure.
4. An assembled monolithic hollow floor according to claim 2 or 3, wherein: the prefabricated high rib superposed bottom plate and the built-in filler of the hollow plate are connected in a clamping groove socket joint mode, a snap fastener mode or an iron wire binding mode, and the root of the joint of the upturned rib and the prefabricated high rib superposed bottom plate is provided with an armpit structure for improving the strength of the prefabricated high rib superposed bottom plate.
5. An assembled integral hollow floor system according to claim 1, wherein: and a bottom plate bidirectional stress reinforcing steel bar is arranged in the prefabricated high-rib superposed bottom plate.
6. An assembled integral hollow floor system according to claim 1, wherein: the rough surface of the upper flanging rib is formed by napping treatment.
7. An assembled integral hollow floor system according to claim 1, wherein: the frame post with the junction of coincide frame roof beam is provided with turns over solid layer board down, prefabricated high rib coincide bottom plate is in turn over solid layer board department for unfilled corner design or opposite sex polygon design down and with the appearance phase-match of turning over solid layer board down.
8. An assembled integral hollow floor system according to claim 1, wherein: the prefabricated high-rib superposed bottom plate is of an integral structure or formed by splicing a plurality of prefabricated high-rib superposed bottom plates.
9. An assembled monolithic hollow floor according to claim 8, wherein: and splice cast-in-place nodes are arranged among the prefabricated high rib superposed base plates.
10. An assembled integral hollow floor system according to claim 1, wherein: the assembled integral hollow slab is formed into a local solid structure at the stress concentration position of four corners by adopting a mode of canceling a built-in filling body, reducing the height of the built-in filling body or performing local thickening treatment on a prefabricated high rib superposed base plate.
CN202011225858.XA 2020-11-05 2020-11-05 Assembled integral hollow floor and prefabricated high-rib superposed bottom plate thereof Pending CN112196168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011225858.XA CN112196168A (en) 2020-11-05 2020-11-05 Assembled integral hollow floor and prefabricated high-rib superposed bottom plate thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011225858.XA CN112196168A (en) 2020-11-05 2020-11-05 Assembled integral hollow floor and prefabricated high-rib superposed bottom plate thereof

Publications (1)

Publication Number Publication Date
CN112196168A true CN112196168A (en) 2021-01-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3132725A1 (en) * 2022-02-11 2023-08-18 Lesage Developpement Floor slab with thermal break, process for manufacturing a floor and floor obtained

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3132725A1 (en) * 2022-02-11 2023-08-18 Lesage Developpement Floor slab with thermal break, process for manufacturing a floor and floor obtained

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