CN212224355U - Novel laminated plate - Google Patents
Novel laminated plate Download PDFInfo
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- CN212224355U CN212224355U CN201922373567.4U CN201922373567U CN212224355U CN 212224355 U CN212224355 U CN 212224355U CN 201922373567 U CN201922373567 U CN 201922373567U CN 212224355 U CN212224355 U CN 212224355U
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- reinforced concrete
- slab
- concrete slab
- truss
- laminated
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Abstract
The utility model relates to a novel composite slab, which comprises a reinforced concrete slab; grooves are formed in two end portions of the reinforced concrete slab, a plurality of through holes are formed in the reinforced concrete slab, two ends of each through hole are located in the grooves, a plurality of positioning longitudinal ribs which are arranged at intervals are inserted into the through holes, the positioning longitudinal ribs extend to the outer side of the reinforced concrete slab from the grooves, at least two groups of truss reinforcing steel bars are vertically distributed on the reinforced concrete precast slab, and the bottoms of the truss reinforcing steel bars are pre-buried in the reinforced concrete slab; the utility model discloses simple structure assembles the truss reinforcing bar on the reinforced concrete prefabricated plate, makes its atress reasonable, and longitudinal rigidity and bearing capacity are great, at transportation and hoist and mount in-process non-deformable.
Description
Technical Field
The utility model belongs to the technical field of the building, especially, relate to a novel superimposed sheet.
Background
At present, in traditional structural engineering, particularly residential engineering, a floor slab is mostly of a common cast-in-place reinforced concrete structure, a formwork and a supporting system need to be erected firstly during construction, reinforcing steel bars are bound, equipment pipelines in the slab are laid, concrete is poured, and the formwork and the supporting system are dismantled after the strength of the concrete meets design requirements. The field procedures required by the traditional construction technology are complicated and the construction period is long.
The application numbers are: chinese patent CN201220748969.3 discloses a "reinforced concrete prefabricated composite slab with truss ribs", which comprises a bottom plate and longitudinal truss ribs perpendicular to the bottom plate, wherein the truss ribs are provided with light steel trusses or common steel trusses inside. The truss rib comprises an upper chord, a lower chord which is parallel to the upper chord and combined with the bottom plate, a plurality of truss web members connected between the upper chord and the lower chord, and holes formed between the plurality of web members. The truss rib is formed by assembling and combining a pair of Z-shaped lattice section steels, wherein the Z-shaped lattice section steels are provided with two flanges which are parallel to each other and a plurality of section steel web members which are connected between the flanges and arranged at intervals in parallel, and the pair of Z-shaped lattice section steels are combined in a superposition mode. The prefabricated composite slabs are assembled on site, longitudinal upper reinforcing steel bars and transverse upper and lower stressed reinforcing steel bars are arranged, and then concrete is poured.
The laminated slab structure can not realize the bidirectional stress function of the laminated slab, and the design not only increases the steel consumption, but also is easy to crack a floor slab in the use stage and influences the use of users; with the continuous expansion of the basic construction scale, the continuous improvement of the labor cost and the stricter requirement on the environmental protection, the traditional construction technology can not meet the sustainable development requirement of China more and is difficult to adapt to the house industrialization policy of the continuous deepening popularization of China.
In view of the above problems, it is necessary to improve them.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, reasonable in design, the dead weight is light, longitudinal rigidity is big, construction convenience, the wholeness is good, the two-way atress performance is good novel superimposed sheet.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a novel composite slab comprises a reinforced concrete slab; the reinforced concrete slab comprises a reinforced concrete slab and is characterized in that grooves are formed in two end portions of the reinforced concrete slab, a plurality of through holes are formed in the reinforced concrete slab, two ends of each through hole are located in the grooves, a plurality of positioning longitudinal ribs which are arranged at intervals are inserted into the through holes, the positioning longitudinal ribs extend to the outer side of the reinforced concrete slab from the grooves, at least two groups of truss reinforcing steel bars are vertically distributed on the reinforced concrete slab, and the bottoms of the truss reinforcing steel bars are pre-buried in the reinforced concrete slab.
As an optimized scheme of the utility model, install many horizontal non-prestressed tendons that set up at an interval each other in the reinforced concrete slab, many the bottom of horizontal non-prestressed tendon be fixed with many vertical non-prestressed tendons that set up at an interval each other respectively.
As a preferred scheme of the utility model, the truss reinforcing bar is provided with threely, and the equidistance is laid on reinforced concrete slab.
As an optimized scheme of the utility model, the truss reinforcing bar sets firmly in reinforced concrete slab, with the horizontal non-prestressed tendons fixed connection among the reinforced concrete slab.
As a preferred scheme of the utility model, the truss reinforcing bar includes the vertical muscle in truss top, and the vertical muscle both sides in truss top set up separately through a slope be fixed linking to each other of a horizontal non-prestressed tendons of wavy truss triangle muscle and reinforced concrete inboard corresponding side.
As an optimal scheme of the utility model, the length of recess is 1/3 ~ 1/4 of reinforced concrete slab length.
As an optimized scheme of the utility model, the tip of the vertical muscle of location is upwards buckled.
As an optimal scheme of the utility model, another superimposed sheet of superimposed sheet forms the amalgamation superimposed sheet through adjacent side concatenation.
As an optimized scheme of the utility model, leave the concatenation seam between the adjacent side of two superimposed sheets that the concatenation superimposed sheet includes, the gap width of concatenation seam is about 30mm to about 100 mm.
As an optimized proposal of the utility model, the inside of the splicing seam is provided with a binding bar along the direction of the splicing seam.
The utility model has the advantages that:
1. the utility model has simple structure, the truss steel bars are assembled on the reinforced concrete slab, so that the reinforced concrete slab has reasonable stress, and has larger longitudinal rigidity and bearing capacity, and is not easy to deform in the transportation and hoisting processes;
2. the utility model has reasonable steel bar configuration, and can ensure good crack resistance and bidirectional stress performance of the laminated slab after concrete is cast in situ;
3. the utility model discloses combine with the bearing wall based on prefabricated component, can increase substantially building engineering's industrialization level and construction speed, reduce on-the-spot template engineering and steel bar engineering, improve the engineering quality, accord with national house industrialization policy.
4. The reinforced concrete slab is provided with the grooves, and the adjacent grooves are transmitted through the internal force between the reinforcing steel bars and the positioning longitudinal bars, so that the force transmission of the bidirectional slab is realized, and the performance of the bidirectional slab is consistent with that of the traditional cast-in-situ bidirectional stressed floor slab; meanwhile, the rigidity and the bearing capacity of the node structure are improved by adopting binding ribs.
Drawings
Fig. 1 is a schematic structural view of a laminated slab according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of an embodiment of the present invention;
FIG. 4 is a plate reinforcement diagram of a laminated slab according to an embodiment of the present invention;
FIG. 5 is a diagram of a splicing structure of the laminated slab according to the embodiment of the present invention;
fig. 6 is a C-C cross-sectional view of an embodiment of the present invention;
fig. 7 is a cross-sectional view taken along line D-D of an embodiment of the present invention;
reference numbers in the figures: reinforced concrete slab 1, truss reinforcing bar 2, location vertical muscle 3, reinforcing bar 5, horizontal board gluten 6, vertical board gluten 7, concrete 8, ligature muscle 9, recess 11, perforating hole 15, horizontal non-prestressed reinforcement 12, vertical non-prestressed reinforcement 13, splice joint 14, perforating hole 15, the vertical muscle 20 in truss top, truss triangle muscle 21.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1 to 4, the present embodiment provides a novel composite slab, which includes a reinforced concrete slab 1; grooves 11 are formed in two end portions of the reinforced concrete slab 1, a plurality of through holes 15 are formed in the reinforced concrete slab 1, two ends of each through hole 15 are located in the grooves 11, a plurality of positioning longitudinal ribs 3 which are arranged at intervals are inserted into the through holes 15, the positioning longitudinal ribs 3 extend from the grooves 11 to the outer side of the reinforced concrete slab 1, at least two groups of truss reinforcing steel bars 2 are vertically distributed on the reinforced concrete slab 1, and the bottoms of the truss reinforcing steel bars 2 are embedded in the reinforced concrete slab 1; the end part of the positioning longitudinal bar 3 is bent upwards, and the upper end part of the positioning longitudinal bar is level with the reinforcing steel bar 5 in the horizontal direction; the utility model realizes the force transmission of the two-way plate by arranging the grooves on the reinforced concrete plate and transmitting the internal force between the reinforcing steel bars and the positioning longitudinal bars between the adjacent grooves, and the performance of the two-way plate is consistent with that of the traditional cast-in-situ two-way stressed floor plate; meanwhile, the rigidity and the bearing capacity of the node structure are improved by adopting binding ribs.
A plurality of transverse non-prestressed tendons 12 which are arranged at intervals are arranged in the reinforced concrete slab 1, and a plurality of longitudinal non-prestressed tendons 13 which are arranged at intervals are respectively fixed at the bottoms of the transverse non-prestressed tendons 12; the transverse non-tendons 12 and/or the longitudinal non-tendons 13 may or may not extend beyond the end or side of the reinforced concrete slab 1, according to the engineering requirements.
Three truss reinforcing steel bars 2 are arranged and equidistantly distributed on the reinforced concrete slab 1; the truss steel bar 2 is fixedly arranged in the reinforced concrete slab 1 and is fixedly connected with a transverse non-prestressed tendon 12 in the reinforced concrete slab 1; the truss steel bar 2 comprises a truss top longitudinal bar 20, and two sides of the truss top longitudinal bar 20 are respectively fixedly connected with a transverse non-prestressed bar 12 on the corresponding side in the reinforced concrete slab 1 through an obliquely arranged wavy truss triangular bar 21.
The longitudinal ribs 20 and the triangular ribs 21 on the top of the truss are metal strips in an integrated structure, the strength, the position stability and the reliability in the construction process of the longitudinal ribs 20 and the triangular ribs 21 on the top of the truss can be realized through the integrated structure, and the separation and the looseness of the longitudinal ribs 21 or the longitudinal ribs 20 on the top of the truss in the transportation and construction processes are avoided.
The utility model discloses simple structure assembles the truss reinforcing bar on reinforced concrete slab, makes its atress reasonable, and longitudinal rigidity and bearing capacity are great, at transportation and hoist and mount in-process non-deformable.
The length of the groove 11 is 1/3-1/4 of the length of the reinforced concrete slab 1; in the utility model, the length of the reinforced concrete slab 1 is 3000mm, and the length of the groove 11 is 800 mm; the utility model discloses a reinforcing bar configuration is reasonable, can guarantee that superimposed sheet's anti crack performance and two-way atress performance are good after the cast in situ concrete.
As shown in fig. 5-7, splicing the laminated plates, splicing two or more laminated plates at adjacent sides, reserving splicing seams 14 of 30-100 mm between the plates, and arranging binding ribs 9 in the gaps along the direction of the seams; for casting concrete 8 through a hang die to enhance the integrity of the spliced composite slab.
A manufacturing method of a laminated plate comprises the following steps:
step 1: pouring a reinforced concrete slab 1 in a component factory, embedding a transverse non-prestressed tendon 12 and a longitudinal non-prestressed tendon 13 in the reinforced concrete slab 1 in a production process, wherein the transverse non-prestressed tendon 12 and the longitudinal non-prestressed tendon 13 are tied into a rectangular lattice frame according to the requirement of the distance, in the tying process, firstly, sizing is carried out through a small tying wire, then, the lattice frame is turned for 90 degrees, and is tied and positioned, and metal strips are sequentially wound on the transverse non-prestressed tendon 12; at least two groups of truss reinforcing steel bars 2 are assembled on the reinforced concrete slab 1, so that the bottoms of the truss reinforcing steel bars 2 are embedded in the reinforced concrete slab 1, and grooves 11 are formed in two end parts of the reinforced concrete slab 1.
Wherein, the bottom plate concrete strength of the reinforced concrete slab 1 can be constructed and installed after reaching 100 percent of the design strength; before the bottom plate is in place, a temporary support consisting of vertical supports and cross beams is arranged at a position 500mm away from the support saddle; the support spacing is not more than 1.8 m.
Step 2: and the positioning longitudinal rib 3 extends into the through hole 15, the positioning longitudinal rib 3 extends to the outer side of the reinforced concrete slab 1 from the groove 11, and the distance from the positioning longitudinal rib 3 extending out of the outer side of the reinforced concrete slab 1 is 60 mm.
And step 3: connecting the supporting cross rods and the supporting vertical rods to form supporting units, and arranging the supporting units at the outer sides of the adjacent reinforced concrete slabs 1;
and 4, step 4: 3, paving plates on the supporting units, symmetrically performing equal-load prepressing on the supporting units according to the construction load and the distribution form of the construction load, and unloading after the node positions of the supporting units are adjusted and stabilized;
specifically, the uniformly distributed load in construction should not be more than 1.5 kN/square meter, the uniformly distributed load in the range of the single plate should not be more than 1.0 kN/square meter, otherwise, reinforcing measures should be taken. (the construction uniform load does not contain the dead weight of the cast-in-place concrete of the laminated slab).
And 5: hoisting the reinforced concrete slabs 1 processed in the step 2 on site to enable the positioning longitudinal ribs 3 in the grooves 11 on the adjacent reinforced concrete slabs 1 to be aligned with each other; slowly and stably dropping to be initially positioned, and adjusting the distance between the splicing seams 14 of the adjacent reinforced concrete plates 1, wherein the distance between the adjacent reinforced concrete plates 1 is 30-100 mm;
step 6: a plurality of reinforcing steel bars 5 are equidistantly placed in the groove 11, and the reinforcing steel bars 5 and the positioning longitudinal bars 3 are alternately arranged;
and 7: binding bars 9 are connected between the adjacent reinforced concrete slabs 1; the binding ribs 9 are bound and fixed by a plurality of transverse plate gluten 6 and longitudinal plate gluten 7;
and 8: concrete 8 is cast in the grooves 11 and the splicing seams 14 in situ to form a laminated slab;
and step 9: and after the strength of the laminated slab meets the design requirement, the supporting units are symmetrically removed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: reinforced concrete slab 1, truss reinforcing steel bar 2, positioning longitudinal bar 3, reinforcing steel bar 5, transverse bar gluten 6, longitudinal bar gluten 7, concrete 8, binding bar 9, groove 11, through hole 15, transverse non-prestressed bar 12, longitudinal non-prestressed bar 13, splicing seam 14, through hole 15, truss top longitudinal bar 20, truss triangular bar 21 and other terms, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A novel laminated slab is characterized in that: comprising a reinforced concrete slab (1); the reinforced concrete slab comprises a reinforced concrete slab (1), and is characterized in that grooves (11) are arranged at two ends of the reinforced concrete slab (1), a plurality of through holes (15) are formed in the reinforced concrete slab (1), two ends of each through hole (15) are located in the grooves (11), a plurality of positioning longitudinal ribs (3) are arranged in the through holes (15) at intervals, each positioning longitudinal rib (3) extends to the outer side of the reinforced concrete slab (1) through the grooves (11), at least two groups of truss reinforcing steel bars (2) are vertically distributed on the reinforced concrete slab (1), and the bottoms of the truss reinforcing steel bars (2) are pre-embedded in the reinforced concrete slab (1).
2. A novel laminated slab as claimed in claim 1, wherein: install many horizontal non-prestressed tendons (12) that set up each other at an interval in reinforced concrete board (1) many the bottom of horizontal non-prestressed tendon (12) be fixed with many vertical non-prestressed tendons (13) that set up each other at an interval respectively.
3. A novel laminated slab as claimed in claim 1, wherein: the truss steel bars (2) are arranged in three numbers, and are distributed on the reinforced concrete slab (1) at equal intervals.
4. A novel laminated slab as claimed in claim 3, wherein: the truss steel bars (2) are fixedly arranged in the reinforced concrete slab (1) and fixedly connected with the transverse non-prestressed ribs (12) in the reinforced concrete slab (1).
5. A novel laminated slab as claimed in claim 4, wherein: the truss steel bar (2) comprises a truss top longitudinal bar (20), and two sides of the truss top longitudinal bar (20) are respectively fixedly connected with a transverse non-prestressed bar (12) on the corresponding side in the reinforced concrete slab (1) through an obliquely arranged wavy truss triangular bar (21).
6. A novel laminated slab as claimed in claim 1, wherein: the length of the groove (11) is 1/3-1/4 of the length of the reinforced concrete slab (1).
7. A novel laminated slab as claimed in claim 1, wherein: the end part of the positioning longitudinal rib (3) is bent upwards.
8. A novel laminated slab as claimed in claim 1, wherein: the other laminated slab of the laminated slab is spliced by adjacent side faces to form a spliced laminated slab.
9. A novel laminated panel according to claim 8, wherein: a splicing seam (14) is reserved between the adjacent side faces of two laminated plates included in the spliced laminated plate, and the width of the splicing seam (14) is about 30mm to about 100 mm.
10. A novel laminated panel as claimed in claim 9, wherein: and binding ribs (9) along the direction of the splicing seams (14) are arranged in the splicing seams (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922373567.4U CN212224355U (en) | 2019-12-24 | 2019-12-24 | Novel laminated plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922373567.4U CN212224355U (en) | 2019-12-24 | 2019-12-24 | Novel laminated plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212224355U true CN212224355U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922373567.4U Active CN212224355U (en) | 2019-12-24 | 2019-12-24 | Novel laminated plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212224355U (en) |
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2019
- 2019-12-24 CN CN201922373567.4U patent/CN212224355U/en active Active
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