CN214833903U

CN214833903U - Novel prefabricated coincide beam slab system of formwork exempts from

Info

Publication number: CN214833903U
Application number: CN202121056393.XU
Authority: CN
Inventors: 时延焕
Original assignee: Tianhua Architecture Design Co ltd
Current assignee: Tianhua Architecture Design Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-23
Anticipated expiration: 2031-05-17

Abstract

This application belongs to the building structure field, relates to a novel prefabricated coincide beam slab system of exempting from formwork, including prefabricated plate and a plurality of U-shaped precast beam more than two, this U-shaped precast beam middle part has trilateral beam shaping space of pouring of enclosing and closing, and the overlap joint has a prefabricated plate on two adjacent U-shaped precast beams, and the beam shaping space of pouring of every U-shaped precast beam communicates with the board shaping space of pouring of connection in the prefabricated plate top at these U-shaped precast beam both ends. The utility model discloses the template system that utilizes U-shaped precast beam and prefabricated plate to form replaces traditional template, has reduced the construction process, has improved the efficiency of construction, has reduced construction cost.

Description

Novel prefabricated coincide beam slab system of formwork exempts from

Technical Field

The utility model belongs to the building field relates to a prefabricated superimposed sheet, especially relates to a novel prefabricated superimposed beam slab system of exempting from formwork.

Background

The prefabricated composite slab is a component which is more applied in the fabricated concrete building, and a scaffold needs to be erected at the bottom of the composite slab to support the prefabricated composite slab before the prefabricated composite slab is transported to a site and hoisted. The process is similar to the traditional cast-in-place floor construction process, a scaffold is also needed to be used as the bottom support of the floor, a template needs to be erected at the bottom of the floor, the template needs to be erected on the spot for beam members, the construction process is more, and time and labor are consumed.

The chinese utility model patent application with publication number CN111456309A discloses a construction method of a cast-in-place reinforcement system for prefabricated composite slab, S1, manufacturing the prefabricated composite slab, and embedding nuts at the bottom of the prefabricated composite slab at intervals; s2, hoisting and fixing the prefabricated composite slabs, wherein the distance between the corresponding nuts of adjacent prefabricated composite slabs is less than or equal to 600 mm; s3, fixing the horizontal back edge on the bottom surface of the bottom template; and S4, tightly attaching the upper surface of the bottom template to the bottom of the prefabricated laminated slab.

Among the above-mentioned technical scheme, in the work progress of prefabricated superimposed sheet, rely on the die block board to operate, the construction process is loaded down with trivial details, extravagant great manpower and materials.

Disclosure of Invention

The application aims to solve the problems and provide a novel prefabricated superposed beam-slab system without formwork;

in order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a novel prefabricated coincide beam slab system of formwork exempts from, including prefabricated plate and a plurality of U-shaped precast beam more than two, this U-shaped precast beam middle part has the trilateral beam shaping space of pouring that encloses and close, and the overlap joint has a prefabricated plate on two adjacent U-shaped precast beams, and the beam shaping space of pouring of every U-shaped precast beam and the board shaping space intercommunication of pouring of connection above the prefabricated plate at this U-shaped precast beam both ends.

In the above-mentioned novel prefabricated coincide beam slab system of exempting from formwork, the U-shaped precast beam is the concrete structure who has first reinforcing bar group.

In foretell a novel prefabricated coincide beam slab system of formwork exempts from, first reinforcing bar group includes along a plurality of first distribution muscle of U-shaped precast beam axial setting and hoops along U-shaped precast beam cross section and is in the U-shaped stirrup in a plurality of first distribution muscle outsides.

In the above-mentioned novel prefabricated coincide beam slab system of exempting from formwork, the both ends of U-shaped stirrup extend and outwards buckle along the both ends of U-shaped precast beam respectively and form first kink.

In the above-mentioned novel prefabricated superposed beam slab system without formwork, the prefabricated slab is of a concrete structure with a second steel bar group.

In foretell a novel prefabricated coincide beam slab system of formwork exempts from, second reinforcing bar group including be on a parallel with a plurality of second distribution muscle of U-shaped precast beam axial setting with set up perpendicularly in the atress reinforcing bar of a plurality of second distribution muscle below.

In the above-mentioned novel prefabricated coincide beam slab system of exempting from formwork, the outer end of atress reinforcing bar extends the prefabricated plate tip and forms the second kink downwards.

In the above-mentioned formwork-free novel prefabricated superposed beam slab system, the two first bending parts of each U-shaped prefabricated beam respectively extend to the positions above the prefabricated plates connected to the two ends of the U-shaped prefabricated beam.

In the above-mentioned novel prefabricated coincide beam slab system of exempting from formwork, the second kink of precast slab tip extends to and pours in the roof beam shaping space with the U-shaped precast beam inboard of this precast slab end connection.

In the novel prefabricated superposed beam-slab system without formwork erection, the outer sides of the two ends of the U-shaped prefabricated beam are respectively provided with a tongue-and-groove, and the tongue-and-groove is connected with the prefabricated slab to form a bonding mortar filling groove.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses the template system that utilizes U-shaped precast beam and prefabricated plate to form replaces traditional template, has reduced the construction process, has improved the efficiency of construction, has reduced construction cost.

The utility model discloses a horizontal component exempts from the purpose of formwork, has saved the template material, helps the popularization of green construction, has played energy saving and emission reduction's effect.

The utility model discloses a set up the first kink of first reinforcing bar group and the second kink of second reinforcing bar group, it is fixed with the board of pouring to pour the roof beam after the shaping, reaches stable connection effect.

The utility model discloses further realize the connection of U-shaped precast beam and prefabricated plate through the tongue-and-groove, make the system connect more firmly.

Drawings

Fig. 1 is a schematic structural diagram of a formwork-free precast beam slab system provided by the present application.

Fig. 2 is a schematic structural view of a U-shaped precast beam provided by the present application.

FIG. 3 is a schematic diagram of the structure of the prefabricated panels provided by the present application.

In the figure, a precast slab 1, a second steel bar group 11, a second distribution steel bar 111, a stressed steel bar 112, a second bending part 113, a U-shaped precast beam 2, a first steel bar group 21, a first distribution steel bar 211, a U-shaped stirrup 212, a first bending part 213, a tongue-and-groove 22, a casting beam forming space 3 and a casting slab forming space 4.

Detailed Description

Further illustrated by the following specific examples;

as shown in figure 1, a formwork-free novel prefabricated superposed beam slab system comprises more than two prefabricated slabs 1 and a plurality of U-shaped prefabricated beams 2, wherein the middle parts of the U-shaped prefabricated beams 2 are provided with pouring beam forming spaces 3 with three sides closed, two adjacent U-shaped prefabricated beams 2 are lapped with one prefabricated slab 1, and the pouring beam forming spaces 3 of the U-shaped prefabricated beams 2 are communicated with pouring plate forming spaces 4 above the prefabricated slabs 1 connected to the two ends of the U-shaped prefabricated beams 2. The utility model discloses the template system that utilizes U-shaped

precast beam

2 and 1 formation of prefabricated plate replaces traditional template, has reduced the construction process, has improved the efficiency of construction, has reduced construction cost.

Specifically, the precast slab 1 is overlapped with the end of the U-shaped precast beam 2 by the end thereof to form a continuous structure, wherein the cast beam forming space 3 and the cast slab forming space 4 are used for casting reinforced concrete in situ to manufacture a cast beam and a cast slab, respectively. The outer sides of two ends of the U-shaped precast beam 2 are respectively provided with a rabbet 22, and the rabbet 22 is connected with the precast slab 1 to form a bonding mortar filling groove for filling bonding mortar. The U-shaped precast beam and the precast slab are connected through the tongue-and-groove, so that the system is connected more firmly.

As shown in fig. 1 and 2, the U-shaped precast beam 2 is a concrete structure having a first reinforcing bar set 21.

Specifically, the first reinforcement group 21 includes a plurality of first distribution ribs 211 axially disposed along the U-shaped precast beam 2 and a U-shaped stirrup 212 hooped outside the plurality of first distribution ribs 211 along the cross-section of the U-shaped precast beam 2. The first distribution ribs 211 are arranged parallel to each other at intervals. Two ends of the U-shaped stirrup 212 extend out along two ends of the U-shaped precast beam 2 and are bent outward to form a first bent portion 213. The two first bent portions 213 of each U-shaped precast beam 2 extend above the precast slabs 1 connected to both ends of the U-shaped precast beam 2, respectively. To be embedded in the casting slab after casting.

As shown in fig. 1 and 3, the prefabricated panel 1 is a concrete structure having a second reinforcing bar set 11.

Specifically, the second steel bar group 11 includes a plurality of second distribution bars 111 disposed in parallel with the axial direction of the U-shaped precast beam 2 and stress steel bars 112 disposed vertically below the plurality of second distribution bars 111. The second distribution ribs 111 are arranged in parallel at intervals. The outer end of the stressed steel bar 112 extends out of the end of the prefabricated panel 1 and forms a second bending part 113 downwards. The second bent part 113 of the end of the prefabricated panel 1 extends into the casting beam forming space 3 inside the U-shaped prefabricated beam 2 connected to the end of the prefabricated panel 1. To be embedded in the cast beam after casting.

The first bending part 213 of the first steel bar group 21 and the second bending part 113 of the second steel bar group 11 are arranged to be fixed with the pouring beam and the pouring plate after pouring forming, so that stable connection effect is achieved.

The utility model discloses a construction method does:

the end part of the precast slab 1 is lapped at the end part of the U-shaped precast beam 2, adhesive mortar is filled in a groove at the lapped part for plugging, the second bent part 113 at the end part of the precast slab 1 is bent downwards, the first bent part 213 at the end part of the U-shaped precast beam 2 is bent outwards, reinforced concrete is cast in place in the casting beam forming space 3 of the U-shaped precast beam 2 to form a casting beam, and then a layer of reinforced concrete is cast in place in the casting plate forming space 4 to manufacture the precast slab 1. The utility model discloses a horizontal component exempts from the purpose of formwork, has saved the template material, helps the popularization of green construction, has played energy saving and emission reduction's effect.

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.

Although terms such as the prefabricated panel 1, the second reinforcement group 11, the second distribution rib 111, the forced reinforcement 112, the second bent portion 113, the U-shaped prefabricated beam 2, the first reinforcement group 21, the first distribution rib 211, the U-shaped stirrup 212, the first bent portion 213, the tongue-and-groove 22, the cast beam molding space 3, and the cast slab molding space 4 are used more herein. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides a novel prefabricated coincide beam slab system of exempting from formwork, includes prefabricated plate (1) more than two, its characterized in that: the prefabricated beam structure is characterized by further comprising a plurality of U-shaped prefabricated beams (2), pouring beam forming spaces (3) with three sides closed are formed in the middle of each U-shaped prefabricated beam (2), prefabricated plates (1) are lapped on two adjacent U-shaped prefabricated beams (2), and the pouring beam forming spaces (3) of each U-shaped prefabricated beam (2) are communicated with the pouring plate forming spaces (4) above the prefabricated plates (1) connected to the two ends of each U-shaped prefabricated beam (2).

2. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 1, wherein: the U-shaped precast beam (2) is of a concrete structure with a first steel bar group (21).

3. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 2, wherein: the first steel bar group (21) comprises a plurality of first distribution bars (211) axially arranged along the U-shaped precast beam (2) and U-shaped stirrups (212) hooped outside the first distribution bars (211) along the cross section of the U-shaped precast beam (2).

4. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 3, wherein: two ends of the U-shaped stirrup (212) extend out along two ends of the U-shaped precast beam (2) respectively and are bent outwards to form a first bending part (213).

5. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 1, wherein: the prefabricated slab (1) is of a concrete structure with a second steel bar group (11).

6. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 5, wherein: the second steel bar group (11) comprises a plurality of second distribution bars (111) which are parallel to the axial direction of the U-shaped precast beam (2) and stress steel bars (112) which are vertically arranged below the second distribution bars (111).

7. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 6, wherein: the outer end of the stressed steel bar (112) extends out of the end of the prefabricated plate (1) and downwards forms a second bending part (113).

8. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 4, wherein: the two first bending parts (213) of each U-shaped precast beam (2) respectively extend to the upper parts of the precast slabs (1) connected to both ends of the U-shaped precast beam (2).

9. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 7, wherein: and a second bending part (113) at the end part of the precast slab (1) extends into a beam casting space (3) at the inner side of the U-shaped precast beam (2) connected with the end part of the precast slab (1).

10. The novel formwork-free prefabricated laminated beam-slab system as claimed in claim 1, wherein: the outer sides of two ends of the U-shaped precast beam (2) are respectively provided with a tongue-and-groove (22), and the tongue-and-groove (22) is connected with the precast slab (1) to form a bonding mortar filling groove.