CN214696362U - Prefabricated reinforced concrete composite floor slab with tooth form and without formwork - Google Patents
Prefabricated reinforced concrete composite floor slab with tooth form and without formwork Download PDFInfo
- Publication number
- CN214696362U CN214696362U CN202120806148.XU CN202120806148U CN214696362U CN 214696362 U CN214696362 U CN 214696362U CN 202120806148 U CN202120806148 U CN 202120806148U CN 214696362 U CN214696362 U CN 214696362U
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- support
- tooth
- precast
- superimposed sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model provides a prefabricated reinforced concrete coincide floor of formwork is exempted from to profile of tooth belongs to building structure technical field. It includes prefabricated superimposed sheet, prefabricated superimposed sheet in be equipped with horizontal reinforcing bar of a plurality of groups and the vertical reinforcing bar of a plurality of groups, horizontal reinforcing bar of a plurality of groups and the vertical reinforcing bar cross arrangement of a plurality of groups, prefabricated superimposed sheet both sides still be equipped with profile of tooth bearing structure. Prefabricated bracing piece cooperation support among the profile of tooth bearing structure can play the supporting role to prefabricated backup pad, prop up the process of establishing the scaffold frame in the bottom when having avoided superimposed sheet hoist and mount, construction process has been reduced, the efficiency of construction is improved, construction cost is reduced, secondly prefabricated bracing piece and support setting are in the both sides of prefabricated backup pad, consequently, very big operating space has been reserved in prefabricated superimposed sheet bottom, conveniently carry out other construction operations, this has played the positive ground effect to improving the efficiency of construction.
Description
Technical Field
The utility model belongs to the technical field of building structure, a prefabricated reinforced concrete coincide floor of formwork is exempted from to profile of tooth is related to.
Background
At present, the assembly type concrete building is developed very rapidly in China, the assembly type technology is widely popularized and applied in various places, various concrete components are prefabricated in factories and transported to a field for installation. The prefabricated laminated plate is a member which is most applied at present, and a scaffold needs to be erected at the bottom of the laminated plate for supporting the laminated plate before the laminated plate is transported to a site and hoisted. The process is different from the traditional cast-in-place floor construction process in the same way, and a scaffold is also required to be used as the bottom support of the floor, so that the scaffold occupies the space at the bottom of the floor, other construction procedures cannot be inserted, and the process cannot play a positive role in improving the construction period.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses a method for manufacturing an assembled support-free prefabricated ribbed lightweight composite floor slab [ application number: 201210576823.X ], comprising the following process: firstly, processing bottom longitudinal steel bars and transverse steel bars of precast slabs, and longitudinal steel bars, stirrups or tie bars of precast slab ribs, then pouring concrete of a precast part of a bottom plate as required, then placing polystyrene slabs or other light materials on the poured concrete as required, pouring slab ribs, completing maintenance, pouring concrete on the upper part of a floor slab in situ, and finally completing the support-free precast ribbed light assembled laminated floor slab through maintenance. The technology can basically cancel the construction site floor slab template and scaffold engineering by adopting the technology to finish the support-free prefabricated ribbed light assembled composite floor slab through maintenance, thereby reducing the waste of building materials to the maximum extent, meeting the requirements of industrialized and standardized production of the floor slab in a factory and integral site assembly of the floor slab.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a prefabricated reinforced concrete coincide floor of formwork is exempted from to profile of tooth.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a prefabricated reinforced concrete coincide floor of formwork is exempted from to profile of tooth, includes prefabricated superimposed sheet, prefabricated superimposed sheet in be equipped with horizontal reinforcing bar of a plurality of groups and the vertical reinforcing bar of a plurality of groups, horizontal reinforcing bar of a plurality of groups and the vertical reinforcing bar cross arrangement of a plurality of groups, prefabricated superimposed sheet both sides still be equipped with profile of tooth bearing structure, profile of tooth bearing structure include that a plurality of intervals evenly set up the precast support bar in prefabricated superimposed sheet both sides, a plurality of precast support bars and the parallel and dislocation set of the horizontal reinforcing bar of a plurality of groups, the precast support bar in be equipped with strengthening rib structure, prefabricated superimposed sheet both sides still be equipped with the support with precast support bar looks adaptation.
In the above tooth-shaped formwork-free precast reinforced concrete composite floor slab, the reinforcing rib structure comprises reinforcing steel bars or profile steel which is pre-embedded in the precast support rod, the reinforcing steel bars or the profile steel are axially arranged along the precast support rod, and the section of the profile steel is in an I shape, an H shape or a square shape.
In the above-mentioned profile of tooth exempts from formwork prefabricated reinforced concrete coincide floor, every group horizontal reinforcing bar includes two parallel arrangement's horizontal reinforcing bar, and every group longitudinal reinforcement includes two parallel arrangement's longitudinal reinforcement, and two horizontal reinforcing bar settings are between two longitudinal reinforcement.
In the tooth-shaped formwork-free prefabricated reinforced concrete composite floor slab, the cross section of the support is in an inverted T shape, and the top of the support is provided with the support groove matched with the prefabricated support rod.
In foretell profile of tooth exempt from formwork prefabricated reinforced concrete coincide floor, prefabricated superimposed sheet and the split type setting of prefabricated bracing piece, prefabricated superimposed sheet lateral part be equipped with the bracing piece mounting groove of prefabricated bracing piece looks adaptation, prefabricated bracing piece insert to bracing piece mounting groove in and can dismantle with prefabricated superimposed sheet and be connected.
In foretell profile of tooth exempt from prefabricated reinforced concrete coincide floor of formwork, prefabricated superimposed sheet and prefabricated bracing piece integral type set up, prefabricated superimposed sheet in be equipped with the structure of accomodating that is used for holding the prefabricated bracing piece.
In foretell profile of tooth exempts from prefabricated reinforced concrete coincide floor of formwork, accomodate the structure including setting up the chamber of accomodating in prefabricated superimposed sheet, prefabricated bracing piece set up accomodate the intracavity and accessible slip or rotate outside prefabricated superimposed sheet.
In foretell profile of tooth exempt from formwork prefabricated reinforced concrete coincide floor, prefabricated bracing piece with accomodate chamber sliding connection, accomodate the chamber outer end and be equipped with the export, prefabricated bracing piece outer end be equipped with and draw the piece, accomodate the intracavity and still be equipped with bracing piece limit structure.
In foretell profile of tooth exempts from formwork prefabricated reinforced concrete coincide floor, bracing piece limit structure including set up the spacing spout of taking in the chamber upper and lower side, prefabricated bracing piece upper and lower extreme still be equipped with the spacing slider that inserts to the spacing spout in, the upper and lower side of taking in the chamber opening part still fix through a plurality of screws and have a limiting baffle.
In foretell profile of tooth exempt from prefabricated reinforced concrete coincide floor of formwork, prefabricated bracing piece with accomodate the chamber and rotate and be connected, accomodate the chamber outer end and bottom and be equipped with the opening, prefabricated bracing piece rotate with accomodate the chamber through the bull stick and be connected.
Compared with the prior art, the utility model has the advantages of:
1. prefabricated bracing piece cooperation support among the profile of tooth bearing structure can play the supporting role to prefabricated backup pad, prop up the process of establishing the scaffold frame in the bottom when having avoided superimposed sheet hoist and mount, construction process has been reduced, the efficiency of construction is improved, construction cost is reduced, secondly prefabricated bracing piece and support setting are in the both sides of prefabricated backup pad, consequently, very big operating space has been reserved in prefabricated superimposed sheet bottom, conveniently carry out other construction operations, this has played the positive ground effect to improving the efficiency of construction.
2. The transverse reinforcing steel bars of a plurality of groups and the longitudinal reinforcing steel bars of a plurality of groups in the prefabricated composite slab can strengthen the overall strength of the prefabricated composite slab, and the reinforcing rib structures in the prefabricated supporting rods can strengthen the strength of the prefabricated supporting rods, so that safety accidents caused by the breakage of the prefabricated supporting rods are prevented.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic diagram of the overall structure provided by the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a partial structural view of the first embodiment;
FIG. 4 is a schematic view showing the internal structure of the reinforcing bar when it is a section steel;
FIG. 5 is a schematic sectional view of a section steel in section form of an I-section;
FIG. 6 is a partial structural view of the second embodiment;
fig. 7 is a partial structural schematic diagram of the third embodiment.
Detailed Description
Example one
As shown in fig. 1-5, a prefabricated reinforced concrete coincide floor of formwork is exempted from to profile of tooth, including prefabricated superimposed sheet 1, prefabricated superimposed sheet 1 in be equipped with a plurality of groups of horizontal reinforcing bar 2 and a plurality of groups of longitudinal reinforcement 3, a plurality of groups of horizontal reinforcing bar 2 and a plurality of groups of longitudinal reinforcement 3 cross arrangement, prefabricated superimposed sheet 1 both sides still be equipped with profile of tooth bearing structure, profile of tooth bearing structure include that a plurality of intervals evenly set up the prefabricated support rod 4 in prefabricated superimposed sheet 1 both sides, a plurality of prefabricated support rod 4 are parallel and dislocation set with a plurality of groups of horizontal reinforcing bar 2, prefabricated support rod 4 in be equipped with strengthening rib structure 5, prefabricated superimposed sheet 1 both sides still be equipped with the support 6 with prefabricated support rod 4 looks adaptation.
In this embodiment, prefabricated bracing piece cooperation support among the profile of tooth bearing structure can play the supporting role to prefabricated backup pad, prop up the process of establishing the scaffold frame in the bottom when having avoided superimposed sheet hoist and mount, construction process has been reduced, the efficiency of construction has been improved, construction cost is reduced, secondly prefabricated bracing piece and support setting are in the both sides of prefabricated backup pad, consequently, very big operating space has been reserved in prefabricated superimposed sheet bottom, conveniently carry out other construction operations, this has played positive ground effect to improving efficiency of construction.
Preferably, the whole intensity of prefabricated superimposed sheet can be strengthened to a plurality of groups of horizontal reinforcing bar 2 and a plurality of groups of vertical reinforcing bar 3 in the prefabricated superimposed sheet 1, and the intensity of prefabricated bracing piece can be strengthened to the strengthening rib structure 5 in the prefabricated bracing piece 4, prevents to cause the incident because of the prefabricated bracing piece fracture.
Specifically, as shown in fig. 3 to 5, the reinforcing rib structure 5 includes reinforcing steel bars 7 or section steel 8 embedded in the prefabricated support rod 4, the reinforcing steel bars 7 or the section steel 8 are axially arranged along the prefabricated support rod 4, the section of the section steel 8 is i-shaped, H-shaped or square, and the reinforcing steel bars 7 or the section steel 8 can enhance the strength of the prefabricated support rod and prevent safety accidents caused by the breakage of the prefabricated support rod.
Specifically speaking, combine shown in fig. 1, every group horizontal reinforcing bar 2 includes two parallel arrangement's horizontal reinforcing bar 2, and every group longitudinal reinforcement 3 includes two parallel arrangement's longitudinal reinforcement 3, and two horizontal reinforcing bar 2 sets up between two longitudinal reinforcement 3, and every group horizontal reinforcing bar and every group longitudinal reinforcement include that two reinforcing bars can effectively increase the intensity of prefabricated superimposed sheet.
Specifically, as shown in fig. 1 and 2, the cross section of the support 6 is an inverted T shape, the top of the support 6 is provided with a support groove 9 adapted to the prefabricated support rod 4, and the support groove 9 can limit the prefabricated support rod.
Specifically speaking, as shown in fig. 3, prefabricated superimposed sheet 1 and prefabricated bracing piece 4 are split type, prefabricated superimposed sheet 1 lateral part be equipped with prefabricated bracing piece 4 looks adaptation's bracing piece mounting groove 10, prefabricated bracing piece 4 insert to bracing piece mounting groove 10 in and can dismantle with prefabricated superimposed sheet 1 and be connected. During site operation, insert prefabricated bracing piece to bracing piece mounting groove 10 in, make prefabricated bracing piece can cooperate the support to support prefabricated superimposed sheet, accomplish the back in the construction, can take out the used repeatedly in the bracing piece mounting groove with the split type prefabricated bracing piece that sets up of prefabricated backup pad.
The working principle of the first embodiment is as follows: the prefabricated support rod in the tooth-shaped support structure can support the prefabricated support plate by matching with the support, so that the process of erecting a scaffold at the bottom when the laminated slab is hoisted is avoided, the construction process is reduced, the construction efficiency is improved, the construction cost is reduced, and the prefabricated support rod and the support are arranged on two sides of the prefabricated support plate, so that a large operation space is reserved at the bottom of the prefabricated laminated slab, other construction operations are convenient to perform, and the positive effect of improving the construction efficiency is achieved; horizontal reinforcing bar 2 of a plurality of groups and the vertical reinforcing bar 3 of a plurality of groups in prefabricated superimposed sheet 1 can strengthen prefabricated superimposed sheet's bulk strength, strengthening rib structure 5 in the prefabricated bracing piece 4 can strengthen the intensity of prefabricated bracing piece, prevent to cause the incident because of prefabricated bracing piece fracture, strengthening rib 7 or shaped steel 8 can strengthen the intensity of prefabricated bracing piece, prevent to cause the incident because of prefabricated bracing piece fracture, it can carry on spacingly to prefabricated bracing piece to support the groove 9, in site operation, insert prefabricated bracing piece to bracing piece in the bracing piece mounting groove 10, make prefabricated bracing piece can cooperate the support to support prefabricated superimposed sheet, after the construction is accomplished, can follow the bracing piece mounting groove with the split type prefabricated bracing piece that sets up of prefabricated bracing piece and take out the reuse.
Example two
The structure and the working principle of the second embodiment are basically the same as those of the first embodiment, and the differences are shown in fig. 6:
prefabricated superimposed sheet 1 and 4 integral types of prefabricated bracing piece set up, prefabricated superimposed sheet 1 in be equipped with and be used for holding the structure 11 of accomodating of prefabricated bracing piece 4. When prefabricated superimposed sheet was prepared, the prefabricated bracing piece was installed in accomodating the structure, and when prefabricated superimposed sheet hoisted, it can support prefabricated superimposed sheet to take out the cooperation support with prefabricated bracing piece from accomodating the structure, and after the construction of accomplishing prefabricated backup pad bottom, can retrieve the prefabricated bracing piece and just can not influence the installation of prefabricated superimposed sheet in accomodating the structure.
Specifically, as shown in fig. 6, the storage structure 11 includes a storage cavity 12 disposed in the prefabricated composite slab 1, the prefabricated support rod 4 is disposed in the storage cavity 12 and can be slid or rotated to the outside of the prefabricated composite slab 1, and the prefabricated support rod 4 can be slid or rotated to the outside of the prefabricated composite slab or retracted into the storage cavity 12.
Specifically, as shown in fig. 6, the prefabricated support rod 4 is slidably connected to the storage cavity 12, an outlet is formed in the outer end of the storage cavity 12, a pull block 13 is arranged at the outer end of the prefabricated support rod 4, and a support rod limiting structure 14 is further arranged in the storage cavity 12. The supporting rod limiting structure 14 comprises limiting sliding grooves 15 arranged on the upper side and the lower side of the containing cavity 12, limiting sliding blocks 16 inserted into the limiting sliding grooves 15 are further arranged at the upper end and the lower end of the prefabricated supporting rod 4, and limiting baffle plates 17 are further fixed on the upper side and the lower side of an opening of the containing cavity 12 through a plurality of screws. Can take out prefabricated bracing piece from accomodating the intracavity through drawing piece 13 and use or send back prefabricated bracing piece to accomodating the intracavity after using, spacing slider 16 cooperates spacing spout 15 can carry on spacingly to prefabricated bracing piece, and limit baffle 17 can prevent that prefabricated bracing piece from breaking away from accomodating the chamber and can be convenient for prefabricated bracing piece and install to accomodating the intracavity.
The working principle of the second embodiment is as follows: the prefabricated support rod in the tooth-shaped support structure can support the prefabricated support plate by matching with the support, so that the process of erecting a scaffold at the bottom when the laminated slab is hoisted is avoided, the construction process is reduced, the construction efficiency is improved, the construction cost is reduced, and the prefabricated support rod and the support are arranged on two sides of the prefabricated support plate, so that a large operation space is reserved at the bottom of the prefabricated laminated slab, other construction operations are convenient to perform, and the positive effect of improving the construction efficiency is achieved; the plurality of groups of transverse steel bars 2 and the plurality of groups of longitudinal steel bars 3 in the prefabricated composite slab 1 can enhance the overall strength of the prefabricated composite slab, the reinforcing rib structures 5 in the prefabricated support rods 4 can enhance the strength of the prefabricated support rods and prevent safety accidents caused by the breakage of the prefabricated support rods, the reinforcing steel bars 7 or the section steel 8 can enhance the strength of the prefabricated support rods and prevent safety accidents caused by the breakage of the prefabricated support rods, the support grooves 9 can limit the prefabricated support rods, when the prefabricated composite slab is prepared, the prefabricated support rods are arranged in the storage structures, when the prefabricated composite slab is hoisted, the prefabricated support rods are taken out of the storage structures and can support the prefabricated composite slab, after the construction of the bottom of the prefabricated support rods is completed, the prefabricated support rods can be retracted into the storage structures without influencing the installation of the prefabricated composite slab, the prefabricated support rods 4 can be moved out of the prefabricated composite slab or retracted into the storage cavities 12 through sliding or rotating, can take out prefabricated bracing piece from accomodating the intracavity through drawing piece 13 and use or send back prefabricated bracing piece to accomodating the intracavity after using, spacing slider 16 cooperates spacing spout 15 can carry on spacingly to prefabricated bracing piece, and limit baffle 17 can prevent that prefabricated bracing piece from breaking away from accomodating the chamber and can be convenient for prefabricated bracing piece and install to accomodating the intracavity.
EXAMPLE III
The third embodiment and the first embodiment have basically the same structure and working principle, and the differences are shown in fig. 7:
prefabricated bracing piece 4 rotates with accomodating chamber 12 and is connected, accomodate chamber 12 outer end and bottom and be equipped with the opening, prefabricated bracing piece 4 rotate with accomodating chamber 12 through bull stick 18 and be connected. When prefabricated superimposed sheet preparation, the prefabricated bracing piece is installed and is being accomodate the intracavity, when prefabricated superimposed sheet hoists, with prefabricated bracing piece from accomodating the chamber and roll out the cooperation support and can support prefabricated superimposed sheet, and accomplish the construction back of prefabricated backup pad bottom, can retrieve prefabricated bracing piece and just can not influence the installation of prefabricated superimposed sheet in accomodating the chamber, thereby prefabricated bracing piece 4 can rotate around bull stick 18 and can roll over to prefabricated bracing piece from accomodating the intracavity roll-out or change over to accomodating the intracavity.
The working principle of the third embodiment is as follows: the prefabricated support rod in the tooth-shaped support structure can support the prefabricated support plate by matching with the support, so that the process of erecting a scaffold at the bottom when the laminated slab is hoisted is avoided, the construction process is reduced, the construction efficiency is improved, the construction cost is reduced, and the prefabricated support rod and the support are arranged on two sides of the prefabricated support plate, so that a large operation space is reserved at the bottom of the prefabricated laminated slab, other construction operations are convenient to perform, and the positive effect of improving the construction efficiency is achieved; the plurality of groups of transverse steel bars 2 and the plurality of groups of longitudinal steel bars 3 in the prefabricated composite slab 1 can enhance the overall strength of the prefabricated composite slab, the reinforcing rib structures 5 in the prefabricated support rods 4 can enhance the strength of the prefabricated support rods to prevent safety accidents caused by the fracture of the prefabricated support rods, the reinforcing steel bars 7 or the section steel 8 can enhance the strength of the prefabricated support rods to prevent safety accidents caused by the fracture of the prefabricated support rods, the support grooves 9 can limit the prefabricated support rods, when the prefabricated composite slab is prepared, the prefabricated support rod is arranged in the containing cavity, when the prefabricated composite slab is hoisted, the prefabricated support rod is rotated out of the containing cavity to be matched with the support seat to support the prefabricated composite slab, and after the construction of the bottom of the prefabricated support rod is completed, can retrieve the prefabricated bracing piece and just can not influence the installation of prefabricated superimposed sheet in accomodating the chamber, thereby prefabricated bracing piece 4 can rotate around bull stick 18 and can be followed the intracavity of accomodating with the prefabricated bracing piece and roll over to the intracavity of accomodating.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a prefabricated reinforced concrete coincide floor of formwork is exempted from to profile of tooth, includes prefabricated superimposed sheet (1), its characterized in that, prefabricated superimposed sheet (1) in be equipped with horizontal reinforcing bar of a plurality of groups (2) and vertical reinforcing bar of a plurality of groups (3), horizontal reinforcing bar of a plurality of groups (2) and vertical reinforcing bar of a plurality of groups (3) cross arrangement, prefabricated superimposed sheet (1) both sides still be equipped with profile of tooth bearing structure, profile of tooth bearing structure include that a plurality of intervals evenly set up prefabricated bracing piece (4) in prefabricated superimposed sheet (1) both sides, parallel and dislocation set of horizontal reinforcing bar of a plurality of groups (2) in a plurality of prefabricated bracing pieces (4), prefabricated superimposed sheet (4) in be equipped with strengthening rib structure (5), prefabricated superimposed sheet (1) both sides still be equipped with support (6) with prefabricated bracing piece (4) looks adaptation.
2. The tooth-shaped formwork-free precast reinforced concrete composite floor slab as claimed in claim 1, wherein the reinforcing rib structure (5) comprises reinforcing steel bars (7) or section steel (8) embedded in the precast support rod (4), the reinforcing steel bars (7) or the section steel (8) are axially arranged along the precast support rod (4), and the section of the section steel (8) is in an I shape, an H shape or a square shape.
3. A tooth-shaped formwork-free precast reinforced concrete composite floor slab as claimed in claim 2, characterized in that each set of transverse steel bars (2) comprises two transverse steel bars (2) arranged in parallel, each set of longitudinal steel bars (3) comprises two longitudinal steel bars (3) arranged in parallel, and the two transverse steel bars (2) are arranged between the two longitudinal steel bars (3).
4. The tooth-shaped formwork-free prefabricated reinforced concrete composite floor slab as claimed in claim 1, wherein the cross section of the support (6) is in an inverted T shape, and the top of the support (6) is provided with a support groove (9) matched with the prefabricated support rod (4).
5. The tooth form formwork-free precast reinforced concrete composite floor slab as claimed in claim 1, wherein the precast composite slab (1) and the precast support rods (4) are arranged in a split manner, the side parts of the precast composite slab (1) are provided with support rod installation grooves (10) matched with the precast support rods (4), and the precast support rods (4) are inserted into the support rod installation grooves (10) and detachably connected with the precast composite slab (1).
6. The tooth-shaped formwork-free prefabricated reinforced concrete composite floor slab as claimed in claim 1, wherein the prefabricated composite slab (1) and the prefabricated support rods (4) are integrally arranged, and the prefabricated composite slab (1) is internally provided with a receiving structure (11) for receiving the prefabricated support rods (4).
7. The tooth form formwork-free prefabricated reinforced concrete composite floor slab as claimed in claim 6, wherein the receiving structure (11) comprises a receiving cavity (12) arranged in the prefabricated composite slab (1), and the prefabricated support rod (4) is arranged in the receiving cavity (12) and can slide or rotate to the outside of the prefabricated composite slab (1).
8. The tooth-shaped formwork-free precast reinforced concrete composite floor slab as claimed in claim 7, wherein the precast supporting rod (4) is slidably connected with the accommodating cavity (12), an outlet is arranged at the outer end of the accommodating cavity (12), a pulling block (13) is arranged at the outer end of the precast supporting rod (4), and a supporting rod limiting structure (14) is further arranged in the accommodating cavity (12).
9. The tooth-shaped formwork-free precast reinforced concrete composite floor slab as claimed in claim 8, wherein the supporting rod limiting structure (14) comprises limiting sliding grooves (15) arranged on the upper side and the lower side of the accommodating cavity (12), limiting sliding blocks (16) inserted into the limiting sliding grooves (15) are further arranged on the upper end and the lower end of the precast supporting rod (4), and limiting baffles (17) are further fixed on the upper side and the lower side of the opening of the accommodating cavity (12) through a plurality of screws.
10. The tooth-shaped formwork-free prefabricated reinforced concrete composite floor slab as claimed in claim 7, wherein the prefabricated support rod (4) is rotatably connected with the accommodating cavity (12), the outer end and the bottom of the accommodating cavity (12) are provided with openings, and the prefabricated support rod (4) is rotatably connected with the accommodating cavity (12) through a rotating rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120806148.XU CN214696362U (en) | 2021-04-19 | 2021-04-19 | Prefabricated reinforced concrete composite floor slab with tooth form and without formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120806148.XU CN214696362U (en) | 2021-04-19 | 2021-04-19 | Prefabricated reinforced concrete composite floor slab with tooth form and without formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214696362U true CN214696362U (en) | 2021-11-12 |
Family
ID=78532387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120806148.XU Active CN214696362U (en) | 2021-04-19 | 2021-04-19 | Prefabricated reinforced concrete composite floor slab with tooth form and without formwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214696362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164976A (en) * | 2021-11-30 | 2022-03-11 | 中国建筑第五工程局有限公司 | Support-free U-shaped composite floor slab and construction method thereof |
-
2021
- 2021-04-19 CN CN202120806148.XU patent/CN214696362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164976A (en) * | 2021-11-30 | 2022-03-11 | 中国建筑第五工程局有限公司 | Support-free U-shaped composite floor slab and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201972393U (en) | Dismantling-free precast reinforced concrete template with crossed holes inside | |
| CN109281438A (en) | Multilayer prefabricated post and construction method of the one-pass molding with bracket | |
| CN107989238A (en) | A kind of cast-in-place sandwiched heat-preservation shear wall structure, assembled architecture and engineering method | |
| CN214696362U (en) | Prefabricated reinforced concrete composite floor slab with tooth form and without formwork | |
| CN112497439A (en) | Die and method for manufacturing bridge deck auxiliary member | |
| CN220768863U (en) | Cast-in-situ template structure without removing mould | |
| CN110206229A (en) | A kind of concrete column splicing structure and its construction method | |
| CN101748893B (en) | Method for manufacturing high-rise building balcony boards | |
| CN111350348A (en) | Positioning and reinforcing device for outer wall anti-seepage inverted beam template and construction method | |
| CN216689076U (en) | A prefabricated apron that is used for hollow mound top to pour construction | |
| CN217128632U (en) | Assembled building wall form and assembled building wall | |
| CN105946099A (en) | Grouted fabricated concrete beam and construction method thereof | |
| CN205874980U (en) | Two traitorous internal mold of hollow plate beam and two -way rigidity locking bearing structure | |
| CN212271404U (en) | Integrated reinforced bar mould-free cast-in-situ concrete column | |
| CN108265883A (en) | A kind of wine cup shape Section of Steel-concrete Composite Beam and its construction method | |
| CN212926589U (en) | Assembly type formwork-dismantling-free structural body formwork and cast-in-place formwork-dismantling-free structural body | |
| CN209999413U (en) | precast concrete frame preparation mould and frame subassembly | |
| CN208184070U (en) | A kind of wine cup shape Section of Steel-concrete Composite Beam | |
| CN111236624A (en) | Construction method of PCF structure cast-in-place node template reinforcing system | |
| CN205712613U (en) | Connector for prefabricated overall assembling insulation exterior sheathing outer mould bases with exterior-wall heat insulation | |
| CN111851804A (en) | Assembly type formwork-dismantling-free structural body formwork and cast-in-place formwork-dismantling-free structural body | |
| CN220434312U (en) | UHPC reinforcement layer construction structure of concrete column | |
| CN221001294U (en) | Assembled formwork-free channel structure | |
| CN216973130U (en) | Cast-in-place box girder centre form that convenient ann torn open | |
| CN221143682U (en) | Underpinning clamping beam structure for old house reconstruction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |