CN111910811A - Rib plate skeleton concrete cast-in-place board - Google Patents
Rib plate skeleton concrete cast-in-place board Download PDFInfo
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- CN111910811A CN111910811A CN202010854209.XA CN202010854209A CN111910811A CN 111910811 A CN111910811 A CN 111910811A CN 202010854209 A CN202010854209 A CN 202010854209A CN 111910811 A CN111910811 A CN 111910811A
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- plate
- rib plate
- concrete cast
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
Abstract
The invention relates to the technical field of concrete cast-in-place plates, in particular to a ribbed plate skeleton concrete cast-in-place plate. The cast-in-place concrete slab comprises a rib plate framework, a bottom plate and concrete, wherein the rib plate framework comprises a plurality of criss-cross transverse rib plates and longitudinal rib plates to form a plurality of pouring units, a communication channel is arranged between every two adjacent pouring units to communicate the two adjacent pouring units, the lower end of the rib plate framework is fixed to the bottom plate, and the concrete is filled with the pouring units, covers the rib plate framework and is fixed to the bottom plate. According to the ribbed slab framework concrete cast-in-place slab, the bottom plate can serve as the bottom die, the time for laying the bottom die is reduced, and manpower and time are saved. The rib plate frameworks are arranged in a staggered mode to form rib plate frameworks, the communication channels communicated with the adjacent pouring units are arranged on the rib plates, and the rib plate frameworks are fixedly connected with the bottom plate, so that the whole rib plate framework concrete cast-in-place slab has high bending resistance bearing capacity.
Description
Technical Field
The invention relates to the technical field of concrete cast-in-place plates, in particular to a ribbed plate skeleton concrete cast-in-place plate.
Background
In civil engineering, a traditional concrete cast-in-place slab consists of reinforcing steel bars and concrete. During construction, firstly, a bottom wood formwork is erected, then, steel bars are paved and bound on a working surface formed by the wood formwork, and finally, concrete is poured to form the concrete cast-in-place slab. In the preparation process, a large amount of time is needed to arrange the bottom template to form a construction working surface, and a large amount of manpower and time are consumed in the construction. In addition, the steel bar nets are bound on site, the steel bars which are transversely and longitudinally connected need to be manually connected through binding wires, the workload is large and tedious, a large amount of manpower is consumed, and the project progress is seriously influenced. In the concrete cast-in-place slab structure with a large load, in order to increase the bending resistance of the structure, a steel bar with a large diameter is required to be arranged during design, and the cost is increased.
Disclosure of Invention
The invention aims to provide a ribbed plate skeleton concrete cast-in-place plate, which solves at least one problem in the prior art.
In order to achieve the purpose, the invention provides a ribbed plate skeleton concrete cast-in-place plate,
the method comprises the following steps:
a base plate;
the floor plate comprises a floor plate framework, wherein the floor plate framework comprises a plurality of transverse floor plates and a plurality of longitudinal floor plates which are arranged in a criss-cross mode to form a plurality of pouring units, a communication channel is formed between every two adjacent pouring units to communicate the two adjacent pouring units, and the lower end of the floor plate framework is fixed on a bottom plate; and
and concrete is filled in the pouring unit, covers the rib plate framework and is fixed with the bottom plate.
Preferably, floor skeleton cast-in-place concrete slab still includes a plurality of connecting portion, and a plurality of connecting portion distribute at floor skeleton cast-in-place concrete slab's side, and every connecting portion have at least partly to stretch out floor skeleton cast-in-place concrete slab.
Preferably, the connecting part is a U-shaped steel bar, the closed end of the U-shaped steel bar extends out of the ribbed slab framework concrete cast-in-place plate, and the open end of the U-shaped steel bar is fixedly connected with the ribbed slab framework.
Preferably, at least one shear pin is arranged in at least part of the pouring unit, one end of the shear pin is fixed on the bottom plate, and the other end of the shear pin extends out of the bottom plate and is positioned in the pouring unit.
Preferably, each casting unit is provided with a shear pin therein.
Preferably, at least one flanging is arranged at the edge of the communication channel, and the flanging extends into any one of the pouring units at the two ends of the communication channel.
Preferably, a plurality of flanges are arranged on the edge of the communication channel around the communication channel, wherein one part of the flanges extends into one of the casting units communicated with the communication channel, and the other part of the flanges extends into the other casting unit communicated with the communication channel.
Preferably, the lower side of the longitudinal rib plate is provided with a plurality of lower interlocking grooves at intervals, the upper side of the transverse rib plate is provided with a plurality of upper interlocking grooves at intervals, and the longitudinal rib plate and the transverse rib plate are in interlocking connection with the upper interlocking grooves through the lower interlocking grooves.
Preferably, the communication channel is a circular channel, a polygonal channel, an oblong channel or an elliptical channel which penetrates through the cross rib plate or the longitudinal rib plate.
Preferably, the horizontal rib plate, the longitudinal rib plate and the bottom plate are all steel plates, and the horizontal rib plate and the longitudinal rib plate are all vertically fixed on the bottom plate.
The technical scheme of the invention has the following advantages: the invention provides a ribbed plate framework concrete cast-in-place plate which comprises a ribbed plate framework, a bottom plate and concrete, wherein the ribbed plate framework comprises a plurality of criss-cross transverse ribbed plates and longitudinal ribbed plates to form a plurality of pouring units, a communication channel is arranged between every two adjacent pouring units to communicate the two adjacent pouring units, the lower end of the ribbed plate framework is fixed with the bottom plate, and the concrete is filled in each pouring unit, covers the ribbed plate framework and is fixed with the bottom plate. According to the ribbed slab framework concrete cast-in-place slab, the bottom plate can serve as the bottom die, the time for laying the bottom die is reduced, and manpower and time are saved. The rib plate frameworks are arranged in a staggered mode to form rib plate frameworks, the communication channels communicated with the adjacent pouring units are arranged on the rib plates, and the rib plate frameworks are fixedly connected with the bottom plate, so that the whole rib plate framework concrete cast-in-place slab has high bending resistance bearing capacity.
According to the ribbed plate framework concrete cast-in-place plate provided by the invention, the interlocking connection can be realized between the transverse ribbed plates and the longitudinal ribbed plates through the corresponding upper interlocking grooves and lower interlocking grooves, so that the ribbed plate frameworks can be quickly assembled and connected, the interlocking of the staggered transverse ribbed plates and the longitudinal ribbed plates improves the structural strength, the manpower and the time can be further saved, and the bending resistance bearing capacity is improved.
According to the ribbed slab framework concrete cast-in-place slab, the shear nails are arranged in at least part of the casting units, so that the connection strength between concrete and the bottom plate is enhanced.
According to the ribbed plate framework concrete cast-in-place plate provided by the invention, the edges of the communication channels are provided with the flanges, so that the structural strength of the ribbed plate framework concrete cast-in-place plate is further improved.
Drawings
The drawings of the present invention are provided for illustrative purposes only, and the proportion and the number of the components in the drawings do not necessarily correspond to those of an actual product.
Fig. 1 is a schematic structural view of a rib plate framework combined with a base plate according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rib cage according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a ribbed slab framework concrete cast-in-place slab according to an embodiment of the invention;
FIG. 4 is a graph showing load displacement curves of a ribbed slab-frame cast-in-place concrete slab and a conventional cast-in-place concrete slab according to an embodiment of the present invention;
FIG. 5 is a schematic view of an exploded rib structure of a rib skeleton according to a second embodiment of the present invention;
FIG. 6 is a schematic view of a rib plate framework combined with a base plate according to a third embodiment of the present invention;
FIG. 7 is a schematic view of another angle of the rib cage of FIG. 6 in combination with the base plate;
FIG. 8 is a schematic structural diagram of a connecting channel in a fourth embodiment of the present invention;
fig. 9 is a schematic view of the communication channel of fig. 8 at another angle.
In the figure: 1: a rib plate skeleton; 11: a pouring unit; 111: a cross rib plate; 1111: the locking groove is embedded; 112: longitudinal rib plates; 1121: a lower embedded locking groove; 113: a communicating channel; 1131: flanging;
2: a base plate; 3: concrete; 4: a connecting portion; 5: a shear pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "longitudinal", "lateral", "upper", "lower", "vertical", "horizontal", "bottom", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1 to 3, a ribbed slab framework concrete cast-in-place slab provided by the embodiment of the invention includes a ribbed slab framework 1, a bottom plate 2 and concrete 3.
Referring to fig. 1 and 2, the rib cage 1 includes a plurality of latitudinal ribs 111 and a plurality of longitudinal ribs 112, wherein in a preferred embodiment, the plurality of latitudinal ribs 111 are disposed in parallel spaced relation and the plurality of longitudinal ribs 112 are disposed in parallel spaced relation. The plurality of ribs 111 and the plurality of ribs 112 are arranged to be staggered in the longitudinal direction to form a plurality of pouring units 11. In some embodiments, the cross-section of the casting unit 11 may be square, i.e., the spacing distance between adjacent transverse ribs 111 is the same as the spacing distance between adjacent longitudinal ribs 112. A communication channel 113 is arranged between the adjacent casting units 11 to communicate the two adjacent casting units 11, and the lower end of the ribbed plate framework 1 is fixed with the bottom plate 2.
Referring to fig. 3, concrete 3 is poured into the ribbed slab framework 1 and the bottom plate 2, so that the pouring units 11 are filled with the concrete 3, the communicating channels 113 are also filled with the concrete 3, the concrete 3 in the pouring units 11 are connected through the concrete 3 in the communicating channels 113, and after the concrete 3 is solidified, the ribbed slab framework 1 is integrally covered with the concrete 3 and is fixed with the bottom plate 2, so that the ribbed slab framework concrete cast-in-place slab is formed.
In some preferred embodiments, the concrete 3 is rubber concrete or concrete using waste tire rubber as an admixture, the concrete has high viscosity and can be better combined with steel ribs, and waste tire waste materials are used for realizing waste reutilization and are more environment-friendly. Of course, in other embodiments, various conventional concretes, fiber reinforced concretes, self-compacting concretes, etc. may be used.
In some preferred embodiments, the transversal rib plate 111, the longitudinal rib plate 112 and the bottom plate 2 are all steel plates, and the transversal rib plate 111 and the longitudinal rib plate 113 are all vertically fixed to the bottom plate 2. Preferably, the rib plate framework 1 and the bottom plate 2 are welded and fixed.
According to the ribbed plate framework concrete cast-in-place plate, the bottom plate 2 can be used as a bottom die, the time for laying the bottom die is reduced, and manpower and time are saved. The ribbed slab framework 1 is formed by staggering ribbed slabs, the communication channel 113 for communicating the adjacent pouring units 11 is arranged on each ribbed slab, and the ribbed slab framework 1 is fixedly connected with the bottom plate 2, so that the whole ribbed slab framework concrete cast-in-place slab has high bending resistance bearing capacity. Preferably, the rib plate framework 1 and the bottom plate 2 are welded and fixed.
Referring to fig. 4, in order to verify the ultimate bending resistance of the steel skeleton plate and the conventional plate, two concrete plates with the length of 1.8m, the width of 0.6m and the thickness of 0.1m are established, wherein one concrete plate is the conventional reinforced concrete plate, the diameter of the steel bar is 10mm, the distance between the steel bars is 100mm, and two rows of reinforcing mesh are arranged; the other one is a ribbed plate skeleton concrete slab in the application, the thickness of a bottom plate steel plate is 2.12mm, and the thickness of a transverse ribbed plate and a longitudinal ribbed plate is 0.5 mm; the volume of steel in the two plates is substantially the same. The flexural performance of the two boards was simulated using the ABAQUS software. Specifically, three-point bending experiment simulation is performed on the ribbed plate skeleton concrete cast-in-place plate and the traditional concrete cast-in-place plate in the application using the same steel volume, and a load displacement curve graph shown in fig. 4 is obtained. In addition, in a finite element simulation result, the span center displacement of the ribbed plate skeleton concrete cast-in-place plate is 5.1mm when the ribbed plate skeleton concrete cast-in-place plate is damaged, and the span center displacement of the traditional concrete cast-in-place plate reaches 10mm when the traditional concrete cast-in-place plate is damaged.
In some embodiments, the communication passage 113 may be a circular passage, a polygonal passage, an oblong passage, an elliptical passage, or the like, which penetrates the latitudinal rib plate 111 or the longitudinal rib plate 112.
The cross section of the pouring unit 11 may have a rectangular shape, a parallelogram shape, or the like, and is determined by factors such as the crossing angle between the horizontal rib plate 111 and the vertical rib plate 112, and the distance between the plurality of horizontal ribs 111 or the plurality of vertical ribs 112.
Example two
Referring to fig. 5, in a second embodiment, a preferable connection structure between the transverse rib plate 111 and the longitudinal rib plate 112 is provided, in an embodiment, a plurality of lower interlocking grooves 1121 are spaced at intervals on the lower side of the longitudinal rib plate 112, and the spacing distance between two adjacent lower interlocking grooves 1121 is the same as the spacing distance between two corresponding adjacent transverse rib plates 111, so that the two adjacent transverse rib plates 111 can be inserted into two adjacent lower interlocking grooves 1121. A plurality of upper locking grooves 1111 are formed at intervals on the upper side of the cross rib plate 111, and the interval distance between two adjacent upper locking grooves 1111 is the same as the interval distance between two corresponding adjacent longitudinal rib plates 112, so that the two adjacent longitudinal rib plates 112 can be inserted into the two adjacent upper locking grooves 1111.
In one embodiment, the vertical rib plate 112 and the horizontal rib plate 111 have the same thickness and height, the lower interlocking groove 1121 extends from the lower side of the vertical rib plate 112 to half or half of the height of the vertical rib plate 112, the upper interlocking groove 111 extends from the upper side of the horizontal rib plate 111 to half or half of the height of the horizontal rib plate 111, the vertical rib plate 112 is inserted into the upper interlocking groove 111 at the lower interlocking groove 1121, and the vertical rib plate 112 and the horizontal rib plate 111 are interlocked and connected by the mutual accommodation of the lower interlocking groove 1121 and the upper interlocking groove 1111, in this embodiment, after the vertical rib plate 112 and the horizontal rib plate 111 are interlocked and connected, the upper ends of the vertical rib plate 112 and the horizontal rib plate 111 are flush with each other, and the holes between the lower ends are flush with each other, so that the installation and connection are facilitated, and the overall structural strength is increased.
The longitudinal rib plate 112 and the transverse rib plate 111 in the embodiment are connected through the snap lock, so that the assembly is convenient and quick.
Preferably, the interlocking connection of the longitudinal rib plate 112 and the transverse rib plate 111 is reinforced by welding.
It should be noted that the interlocking connection between the longitudinal rib 112 and the transverse rib 111 is only one preferred mode, and in other embodiments, the rib frame 1 may be obtained by welding a manually set unit, for example, an L-shaped plate is used as a welding unit to weld the rib frame 1, and then the rib frame 1 is welded with the bottom plate 2. Or may be integrally formed with the integral frame, for example, by cutting a whole blank or a semi-finished product by water jet cutting, wire cutting or plasma cutting. Or can be integrally formed through the processes of material increase manufacturing and the like. Of course, the rib plate frame 1 and the bottom plate 2 may be integrally formed by water jet cutting, wire cutting, plasma cutting, or additive manufacturing.
EXAMPLE III
On the basis of any one of the ribbed slab skeleton concrete cast-in-place slabs described in the first embodiment and the second embodiment, the third embodiment provides a ribbed slab skeleton concrete cast-in-place slab with a connecting part 4, which facilitates the connection between adjacent ribbed slab skeleton concrete cast-in-place slabs or the connection between a ribbed slab skeleton concrete cast-in-place slab and a carrier beam. In one embodiment, referring to fig. 6 and 7, a plurality of connecting portions 4 are distributed on the side of the ribbed-frame concrete cast-in-place slab, and after the concrete is poured, at least a part of each connecting portion 4 extends out of the ribbed-frame concrete cast-in-place slab.
In some embodiments, the connecting portion 4 may be a linear steel bar, a U-shaped steel bar, a linear template, or a U-shaped template, and each of the structures has one end fixedly connected to the rib plate frame 1 and the other end extending out of the rib plate frame concrete cast-in-place slab. Preferably, the connecting portion 4 is a U-shaped steel bar, the closed end of the U-shaped steel bar extends out of the ribbed slab framework concrete cast-in-place slab, and the open end of the U-shaped steel bar is fixedly connected with the ribbed slab framework 1. Preferably, the open end of the U-shaped steel bar is welded and fixed with the rib plate framework 1.
In other embodiments, the connecting portion 4 can also be bound and fixed with the rib plate framework 1.
To enhance the connection between the concrete 3 and the floor 2, in one embodiment a ribbed-frame cast-in-place concrete slab is provided with shear studs 5, in which embodiment shear studs 5 are provided in at least some of the casting units 11, for example one shear stud spaced apart by two or three casting units 11. One end of the shear pin 5 is fixed on the bottom plate 2, and the other end (large end) is positioned in the pouring unit 11.
Preferably, one shear pin 5 is provided in each casting unit 11. In some embodiments where the casting units 11 have a larger cross-sectional area, it is preferred that a plurality of shear pins 5 are distributed within each casting unit to further increase the connection of the floor 2 to the concrete 3.
Example four
On the basis of any ribbed slab framework concrete cast-in-place slab described in the first embodiment, the second embodiment and the third embodiment, referring to fig. 8 and 9, the ribbed slab framework concrete cast-in-place slab provided by the fourth embodiment is provided with at least one flange 1131 at the edge of the communication channel 113, and the flange 1131 extends into any one of the casting units 11 located at two ends of the communication channel 1131. In this embodiment, the turned-over edge 1131 can effectively increase the connection strength between the concrete 3 and the ribbed slab framework 1, and further improve the bonding strength of the ribbed slab framework concrete cast-in-place slab.
Preferably, a plurality of flanges 1131 are arranged around the connecting channel at the edge of the connecting channel 113, wherein one part of the flanges 1131 extends into one of the casting units 11 at two ends of the connecting channel 113, and the other part of the flanges 1131 extends into the other casting unit 11 at two ends of the connecting channel 113. It is further preferred that a plurality of flanges 1131 extend into the same casting unit 11 in a staggered manner.
In some preferred embodiments, the flange 1131 is parallel to the axial direction of the channel 113. Typically, the angle of cuff 1131 to the horizontal is no greater than 30 °.
In some embodiments with both the flanges 1131 and the shear nails 5, the rib framework 1 is fixedly connected to the bottom 2, the flanges 1131 are fixedly connected to the rib framework 1, one end of each flange extends into the casting unit 11 in a horizontal direction or an approximately horizontal direction, the shear nails 5 are fixed to the bottom 2, the other end of each shear nail extends into the casting unit 11 in a vertical direction, and the rib framework 1, the bottom 2, the flanges 1131, and the shear nails 5 are all connected to the concrete 3, that is, the rib framework 1, the bottom 2, the flanges 1131, and the shear nails 5 are connected to the concrete 3 in different directions, so that under the combined action of the rib framework 1, the bottom 2, the flanges 1131, and the shear nails 5, the connection and integrity of the concrete 3 to each part are increased, and the bending resistance bearing capacity of the cast-in-place concrete slab of the rib framework is further enhanced.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: each embodiment does not include only one independent technical solution, and in the case of no conflict between the solutions, the technical features mentioned in the respective embodiments can be combined in any way to form other embodiments which can be understood by those skilled in the art.
Furthermore, modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the scope of the present invention, and the essence of the corresponding technical solutions does not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a floor skeleton concrete cast-in-place board which characterized in that includes:
a base plate;
the floor frame comprises a plurality of transverse rib plates and a plurality of longitudinal rib plates, the transverse rib plates and the longitudinal rib plates are arranged in a criss-cross mode to form a plurality of pouring units, a communication channel is formed between every two adjacent pouring units to communicate the two adjacent pouring units, and the lower end of the floor frame is fixed on the bottom plate; and
and the concrete is filled in the pouring unit, covers the rib plate framework and is fixed with the bottom plate.
2. The ribbed floor framework concrete cast-in-place slab of claim 1, characterized in that: the rib plate framework concrete cast-in-place slab comprises a rib plate framework concrete cast-in-place slab body and is characterized by further comprising a plurality of connecting parts, wherein the connecting parts are distributed on the side edge of the rib plate framework concrete cast-in-place slab body, and at least one part of each connecting part extends out of the rib plate framework concrete cast-in-place slab body.
3. The ribbed floor frame concrete cast-in-place slab of claim 2, characterized in that: the connecting part is a U-shaped steel bar, the closed end of the U-shaped steel bar extends out of the ribbed slab framework concrete cast-in-place plate, and the open end of the U-shaped steel bar is fixedly connected with the ribbed slab framework.
4. A ribbed floor frame concrete cast-in-place slab as claimed in any one of claims 1 to 3, wherein: at least part of the pouring units are internally provided with shear nails, one ends of the shear nails are fixed on the bottom plate, and the other ends of the shear nails extend out of the bottom plate and are positioned in the pouring units.
5. The ribbed floor framework concrete cast-in-place slab of claim 4, characterized in that: at least one shear pin is arranged in each pouring unit.
6. The ribbed floor framework concrete cast-in-place slab of claim 1, characterized in that: at least one flanging is arranged at the edge of the communicating channel and extends into any one of the pouring units at the two ends of the communicating channel.
7. The ribbed floor framework concrete cast-in-place slab of claim 1, characterized in that: and a plurality of flanges are arranged on the edge of the communication channel around the communication channel, wherein one part of the flanges extends into one of the pouring units communicated with the communication channel, and the other part of the flanges extends into the other pouring unit communicated with the communication channel.
8. The ribbed floor framework concrete cast-in-place slab of claim 1, characterized in that: the lower side of the longitudinal rib plate is provided with a plurality of lower embedded locking grooves at intervals, the upper side of the transverse rib plate is provided with a plurality of upper embedded locking grooves at intervals, and the longitudinal rib plate and the transverse rib plate are connected with the upper embedded locking grooves in an embedded locking mode through the lower embedded locking grooves.
9. The ribbed floor framework concrete cast-in-place slab of claim 1, characterized in that: the communication channel is a circular channel, a polygonal channel, an oblong channel or an elliptical channel which penetrates through the transverse rib plate or the longitudinal rib plate.
10. The ribbed floor framework concrete cast-in-place slab of claim 1, characterized in that: the transverse rib plate, the longitudinal rib plate and the bottom plate are all steel plates, and the transverse rib plate and the longitudinal rib plate are vertically fixed on the bottom plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010854209.XA CN111910811A (en) | 2020-08-24 | 2020-08-24 | Rib plate skeleton concrete cast-in-place board |
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| CN202010854209.XA CN111910811A (en) | 2020-08-24 | 2020-08-24 | Rib plate skeleton concrete cast-in-place board |
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| CN113585048A (en) * | 2021-09-07 | 2021-11-02 | 中南大学 | Steel skeleton concrete slab and wet joint structure |
| CN113944270A (en) * | 2021-12-16 | 2022-01-18 | 青岛新华友建工集团股份有限公司 | Cast-in-place prestressed concrete sandwich composite beamless floor structure |
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