CN113898102A

CN113898102A - Ribbed concrete laminated slab

Info

Publication number: CN113898102A
Application number: CN202111256564.8A
Authority: CN
Inventors: 赵洪波
Original assignee: Jiangsu Wanda Construction Technology Co ltd
Current assignee: Jiangsu Wanda Construction Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-01-07

Abstract

The invention discloses a ribbed concrete composite slab which comprises concrete ribs, a bottom plate, a rib penetrating sleeve, longitudinal stress steel bars and transverse steel bars, wherein a plurality of longitudinal stress steel bars are arranged, a plurality of transverse steel bars which are arranged at equal intervals are vertically and crossly paved on the top end surfaces of the longitudinal stress steel bars, and each longitudinal stress steel bar and the corresponding transverse steel bar are bound and fixed by the steel bars, so that the longitudinal stress steel bars and the transverse steel bars are fixed to form a prefabricated steel framework. Compared with the existing perforated ribbed concrete laminated slab, the device has the advantages that the production and operation processes of the components are simple and convenient, and the industrial production is easy to realize; and when the component is processed, the ribbed sleeve ensures the hole forming quality and ensures the component to be complete and safe.

Description

Ribbed concrete laminated slab

Technical Field

The invention relates to the technical field of building engineering, in particular to a ribbed concrete composite slab which can be widely applied to floors of various buildings.

Background

With the development of the building industry in China, fabricated buildings become the mainstream of the building industry at present, and fabricated floors in the market are various and mainly divided into dry connecting floors (such as SP (reinforced concrete) plates and double T plates), laminated slabs (such as steel bar truss laminated slabs and steel pipe truss laminated slabs), metal floor bearing plates (such as steel bar truss floor bearing plates) and the like; the traditional assembled floor slab mainly has the defects of high construction cost, poor structural overall performance, difficulty in industrial production, difficulty in installation and the like.

In actual engineering practice, the requirement of good rigidity and low manufacturing cost also meet the requirement of easy realization of industrial production; the existing ribbed prestressed composite slab (PK1 slab) is difficult to realize processing industrialization in production, mainly because the holes between the ribs and the bottom plate are difficult to form, the construction quality is difficult to ensure, and the problem of hole collapse is easy to occur.

Disclosure of Invention

Therefore, the present invention provides a ribbed concrete composite slab to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a ribbed concrete composite slab comprises concrete ribs, a bottom plate, a rib penetrating sleeve, longitudinal stressed steel bars and transverse steel bars, wherein the longitudinal stressed steel bars are provided with a plurality of transverse steel bars, a plurality of equidistant transverse steel bars are vertically and alternately laid on the top end face of each longitudinal stressed steel bar, and each longitudinal stressed steel bar and the corresponding transverse steel bar are fixedly bound by steel bars, so that the longitudinal stressed steel bars and the transverse steel bars are fixed to form a prefabricated steel framework;

adopt the mould concreting and form on the prefabricated steel skeleton the bottom plate, vertically be provided with a plurality of equidistance on the top face of bottom plate and arrange concrete rib, and every all arrange along its with the intersection line direction equidistance of bottom plate on the concrete rib has a plurality of horizontal holes, every all fixed being provided with in the horizontal hole wear the rib sleeve pipe.

Further, preferably, the height of the rib penetrating casing is not less than 20mm, and the width thereof is not less than 30mm, and the length of the rib penetrating casing is the same as the width of the concrete rib.

Further, preferably, the ribbed bushing is the same shape as the transverse bore.

Further, preferably, the thickness of the bottom plate is set to be 30-80 mm.

By adopting the technology, compared with the prior art, the invention has the following beneficial effects: the rib penetrating sleeve is additionally arranged in the transverse hole in the concrete rib, and is used for inserting the reinforcing steel bar and pre-embedding the reserved pipeline during construction, so that the quality of the hole forming of the component is ensured, the industrial production of the component is realized, and the production efficiency of the component is improved.

Drawings

FIG. 1 is a completed schematic view of a ribbed concrete composite slab;

FIG. 2 is a schematic structural diagram of a prefabricated steel skeleton in a ribbed concrete composite slab;

fig. 3 is a schematic structural diagram of a ribbed bushing in a ribbed concrete composite slab.

In the figure: 1. a concrete rib; 2. a base plate; 3. a ribbed bushing; 4. longitudinal stressed steel bars; 5. and transverse reinforcing steel bars.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-3, the present invention provides a technical solution: a ribbed concrete composite slab comprises concrete ribs 1, a bottom plate 2, a rib-penetrating sleeve 3, longitudinal stress steel bars 4 and transverse steel bars 5, wherein the longitudinal stress steel bars 4 are provided with a plurality of longitudinal stress steel bars, a plurality of transverse steel bars 5 which are arranged at equal intervals are vertically and crossly paved on the top end surfaces of the longitudinal stress steel bars 4, and each longitudinal stress steel bar 4 and the corresponding transverse steel bar 5 are bound and fixed by steel bars, so that the longitudinal stress steel bars 4 and the transverse steel bars 5 are fixed to form a prefabricated steel framework;

specifically, the cross section of the concrete rib 1 is arranged in a T shape; further, the cross section of the concrete rib 1 may be set to be rectangular, polygonal or other shapes, and the concrete rib 1 is mainly used for providing rigidity for the bottom plate 2.

The prefabricated steel skeleton adopts a mould to pour concrete and form a bottom plate 2, a plurality of equidistantly arranged concrete ribs 1 are longitudinally arranged on the top end surface of the bottom plate 2, a plurality of transverse holes are equidistantly arranged on each concrete rib 1 along the direction of the intersection line of the concrete rib 1 and the bottom plate 2, and a rib-penetrating sleeve 3 is fixedly arranged in each transverse hole; specifically, the number of the concrete ribs 1 is determined according to the stress performance requirements according to the width of the bottom plate 2.

In this embodiment, the height of the ribbed bushing 3 is not less than 20mm, the width thereof is not less than 30mm, and the length of the ribbed bushing 3 is the same as the width of the concrete rib 1.

In this embodiment, the ribbed bushing 3 is the same shape as the transverse hole; specifically, the ribbed bushing 3 may be provided in other shapes such as a rectangle, a circle, an ellipse, a polygon, and the like, and the transverse hole is set according to the shape of the ribbed bushing 3.

In this embodiment, the thickness of the bottom plate 2 is set to 30-80 mm.

In the specific implementation, firstly, longitudinal stressed steel bars 4 and transverse steel bars 5 are laid on a long-line platform, then a mould is laid, a prefabricated part is formed by adopting pouring or dry and hard concrete extrusion, the prefabricated part contains concrete ribs 1 for enhancing the rigidity of the prefabricated part, and rib penetrating sleeves 3 are pre-buried on the concrete ribs 1;

after the prefabricated parts are manufactured, the prefabricated parts are transported to a construction site, after necessary supports are erected, the prefabricated parts with holes are laid, transverse reinforcing steel bars and pipelines are inserted into the rib penetrating sleeves 3, then face reinforcing steel bars are laid, and finally concrete is poured to form the bidirectional stressed concrete floor slab.

It should be noted that, compared with the existing ribbed concrete composite slab, the prefabricated part in the device of the invention is easier to form, and the stress of the prefabricated part is more reasonable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ribbed concrete composite slab, its includes concrete rib (1), bottom plate (2), wears rib sleeve pipe (3), vertical atress reinforcing bar (4) and transverse reinforcement (5), its characterized in that: the longitudinal stress steel bars (4) are provided with a plurality of transverse steel bars (5) which are arranged at equal intervals, and the top end surfaces of the longitudinal stress steel bars (4) are vertically crossed and paved with the transverse steel bars (5), and each longitudinal stress steel bar (4) and the corresponding transverse steel bar (5) are bound and fixed by steel bars, so that the longitudinal stress steel bars (4) and the transverse steel bars (5) are fixed to form a prefabricated steel framework;

adopt the mould concreting and form on the prefabricated steel skeleton bottom plate (2), vertically be provided with a plurality of equidistance on the top face of bottom plate (2) and arrange concrete rib (1), and every all arrange along its with the intersection line direction equidistance of bottom plate (2) on concrete rib (1) has a plurality of horizontal holes, every horizontal downthehole all fixed be provided with wear rib sleeve pipe (3).

2. The ribbed concrete composite slab as claimed in claim 1, wherein: the height of the rib penetrating sleeve (3) is not less than 20mm, the width of the rib penetrating sleeve is not less than 30mm, and the length of the rib penetrating sleeve (3) is the same as the width of the concrete rib (1).

3. A ribbed concrete composite slab according to claim 2, characterized in that: the ribbed bushing (3) has the same shape as the transverse hole.

4. The ribbed concrete composite slab as claimed in claim 1, wherein: the thickness of the bottom plate (2) is set to be 30-80 mm.