HU190271B - Floor with prefabricated self-supported lining members - Google Patents

Abstract

The invention relates to a slab comprising prefabricated prefabricated lining members having ends at a support structure, e.g. are leaning against a wall, are placed side by side, and two adjacent lining elements form a nose nest, so that a series of lining elements (1) form a self-supporting support structure and at the same time a formwork that is concave on the top surface with ribs penetrating into the nests (7) on the top (7). 4) has a reinforced concrete plate (2). (Figure 1)

Description

BACKGROUND OF THE INVENTION The present invention relates to a slab comprising pre-fabricated lining elements with nose ends having a support structure, e.g. leaning against a wall, laid side by side, and forming a nose nest of two adjacent liner elements.

There are several types of flooring systems for residential and communal buildings. These are basically divided into two groups.

(a) Reinforced concrete slabs of solid slabs without prefabricated beams.

b) Prefabricated beamed lining systems with on-site monolithic concreting.

Group a) includes, among others, Újlaki, Sajó, Bohn, etc. Types of slabs, which are basically monolithic reinforced concrete slabs concreted on thinned formwork. Usually ceramic fittings are used to partially replace formwork, reduce the amount of concrete required and increase insulation.

In group b), different types of E, F, G, etc. are known. prefabricated reinforced concrete or prestressed reinforced concrete beamed, lightweight concrete lining or slab-based slab systems, which use on-site concreting to increase the load-bearing capacity and a special heat-insulating layer (slag, perlite concrete, rock wool, etc.).

The FÉRT slab system consists of partially prefabricated ceramic slip-reinforced concrete beams and a frame-ceramic lining body, which in its final state is provided by concreting on site with semi-prefabricated beams. A temporary intermediate support must be provided over a certain span for the time of concreting.

French Patent Nos. 76-30,419 and 76-14,438 disclose a PPB slab system.

These are based on the principle of placing large, lightweight, pre-stressed reinforced concrete beams with large, low volume, foamed plastic liners, sometimes made of fiberglass polyester.

The load-bearing capacity of the structure is ensured by the on-site reinforced concrete slab working with the prefabricated beams. For larger spans, an intermediate temporary support should be used during concreting.

The domestic adaptation of the previous French patents is the BVM-PPB slab system, introduced in 1984, which has the same structural structure, but also allows the use of several lining bodies (gravel concrete, lightweight concrete, frame ceramic, polystyrene).

The slabs listed do not meet certain requirements.

For slab systems of group a)

- dense support and thin formwork is required during construction;

- the ceramic liners are small in size and are not considered self-supporting, only allowing partial replacement of the formwork and reducing the amount of concrete required for reinforced concrete slabs;

- the installation of the slab system requires a lot of work on site (scaffolding formwork, placement of small elements);

- the relatively heavy, non-thermal insulation of the final slab requires the application of a post-insulating layer.

For slab systems in group b)

- prefabricated beams are always required;

- lining elements can only be considered self-supporting between prefabricated beams;

- they are difficult to use at spans of the length of the prefabricated beam type;

- transverse stiffening ribs can be formed in each special case using special elements;

- bidirectional load-bearing slab systems are generally not feasible;

Thermal and thermal insulation without thermal bridges can usually be achieved by placing a few additional thermal insulation layers.

SUMMARY OF THE INVENTION The object of the present invention is to provide a lightweight, fast installation without lifting equipment, with good thermal and acoustic insulation, without prefabricated beams, to provide a lower, flat surface, especially for medium (up to 6 m) spacing, especially for residential and communal buildings. development.

The basic idea of the slab according to the invention is that, in the final state, the lightweight, large lining elements providing thermal and acoustic insulation of the slab are self-supporting during construction and on-site concreting, bearing the weight of the on-site concrete, forming a monolithic or the remaining formwork of reinforced concrete slabs bearing bi-directional load.

According to an object, the slab according to the invention, comprising prefabricated lining elements, the ends of which are attached to a supporting structure, e.g. They are supported on a wall, placed adjacent to each other, and form a nose nest of two adjacent liner elements, such that the series of liner elements form a self-supporting support structure and at the same time remain formwork with on-surface concreted slabs of reinforced concrete slots.

A further feature of the present invention may be that the liner element comprises a low volume insulating additive.

It is also typical that the liner element is supported.

In one embodiment, the reinforced concrete slab is provided with transverse ribs perpendicular to the longitudinal direction of the lining member.

The slab according to the invention has significant advantages. Without prefabricated beams and significant scaffolding and formwork, light, bottom-to-top, easy-to-install, easy-to-install, thermal bridge-free, and soundproofed, floor-to-ceiling slab systems with varying load capacity to match the monolithic reinforced concrete slab design. It is possible to further support the slab structure and / or to provide a two-way load bearing slab system.

On-site live work is reduced compared to the already known slab systems for similar purposes,

190 271 the construction of a base structure consisting of large lining elements is fast, since prefabricated beams are required, and the cost of building a slab system is lower than the cost of known solutions.

- Prefabricated beams are not required for the slab.

- One or two intermediate, temporary light supports are sufficient, even with a large span, without significant scaffolding and formwork.

- The final load-bearing capacity of the slab system is provided by the on-site concreted monolithic reinforced concrete slab with one or bi-directional load-bearing or possibly multi-supported.

- The structure can be used up to the recommended maximum span for any span.

- The slab system provides a flat, plasterable, plasterable, tiled surface from below.

The thermal and acoustic insulation properties of the ceiling system are excellent, and there is no thermal bridge insulation.

BRIEF DESCRIPTION OF THE DRAWINGS The invention will now be described in more detail with reference to the drawings. The attached drawings show

Figure 1 is a cross-section of a slab, a

Figure 2 is a longitudinal section of the slab with support, a

Fig. 3 is a longitudinal section of the slab with a transverse rib

Figure 1 shows a cross-sectional view of the finished slab with a large, low-volume material and / or hollow cross-section, with self-supporting lining 1 during assembly and concreting, on-site concrete 2 with reinforced concrete slab, welded mesh 3 and welded mesh. ladder or other 4 ribs with ironing of any design.

Figure 2 is a longitudinal sectional view of the slab with an intermediate temporary light support 5.

Fig. 3 shows a possibility of forming crossbars 6 perpendicular to the direction of the main load bearing in a longitudinal section of the lining elements.

The structural elements of the slab are a lightweight self-supporting lining element 1 which can be manufactured and cut in any length, and a monolithic reinforced concrete slab 2 with a ribbed construction on site.

The prefabricated lining element 1 provides the thermal and acoustic insulation and the load-bearing capacity of the slab system during assembly and concreting. The lining elements 1 provide sufficient load-bearing capacity of the entire slab together with a properly dimensioned monolithic reinforced concrete slab 2.

As shown in Fig. 2, for larger spans, sufficient support for the liner elements 1 during installation and concreting is achieved by the use of intermediate light supports, which are rarely (2-3 m) spaced.

The cross-section of the lining element 1 having a length corresponding to the span of the slab or the distance between any intermediate temporary supports is such that the lining elements 1 are formed by juxtaposing the reinforced concrete slab of the under-reinforced concrete slab 2 with any length.

In Fig. 3, it is also possible to form a bi-directional load-bearing slab structure at the place of the intermediate temporary supports 5 by means of monolithic reinforcing ribs perpendicular to the main direction of bearing strength.

With suitable ironing, the slab system can be multi-supported.

The essential elements of the slab according to the invention are:

- transported in thicknesses and widths, if necessary of hollow cross-section, of lightweight foamed plastic or other lightweight material, movable by hand, of any length and cut to any size, suitable for the requirements of heat-insulating and residual formwork, , self-supporting 1 liner during concreting.

2 monolithic reinforced concrete slabs made of on-site concreting and suitable, preferably prefabricated, welded reinforcement.

If necessary, bridging over longer span distances will provide light temporary temporary support (s) for the time of concreting.

Optionally, a transverse load-bearing slab system may be provided by means of transverse ribs 6 perpendicular to the main load bearing direction.

Optionally, by reinforcing the ribs over the final supports, the slab system can be multi-enriched.

The steps of constructing the slab according to the invention are as follows:

- compilation of the intermediate 5 temporary supports;

- positioning the self-supporting lining members 1 on the supports;

- positioning of the rib reinforcement;

- positioning of the reinforcement of the co-operating 2 reinforced concrete plates;

- on-site concreting of the ribs 4 and the reinforced concrete slab 2;

- removal of 5 temporary supports after the concrete has solidified.

Depending on the above, the construction and dismantling of temporary supports 5 may be omitted depending on the span.

The use of the slab system is primarily economical for the slab structures of residential and communal buildings with a span of less than 6.60 m.

Claims (4)

Claims 1 A slab comprising prefabricated lining elements with ends with a support structure, e.g. leaning against a wall, laid adjacent to each other, and forming a nose nest of two adjacent liner elements, characterized in that the series of liner elements (1) form a self-supporting support structure and at the same time remain formwork, having reinforced concrete slab (2). The slab according to claim 1, characterized in that the lining element (1) comprises a low-volume insulating additive. 190 271 3. The slab according to claim 1 or 2, characterized in that the lining element (1) is supported. 4. A slab according to any one of claims 1 to 4, characterized in that the reinforced concrete slab (2) is provided with crossbars (6) perpendicular to the longitudinal direction of the lining element (1).