SU1408034A1 - Multistorey building - Google Patents

Abstract

The invention relates to multi-storey buildings. The purpose of the invention is to reduce material consumption and labor intensity in the construction of buildings from monolithic reinforced concrete. The walls of the building are made of concrete and reinforced frameworks above the openings and prestressed bars under the lower edge of the floors along the contour of the latter. The ceilings are made of tension concrete. 3 il.

Description

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The invention relates to the construction, in particular to the construction of multi-storey buildings with load-bearing walls and ceilings of reinforced concrete.

The purpose of the invention is to reduce material consumption and labor intensity in the case of Maintained from monolithic reinforced concrete.

Fig. 1 shows a fragment of a multi-storey building; figure 2 is a fragment of the overlap, made flat or with chickpeas; on fig.Z - a fragment of the steps of the chato-flamed overlap.

The multi-storey building includes monolithic walls 1 and monolithic floors 2 rigidly interconnected, and reinforcement elements 3.

The reinforcement elements 3 are made in the form of prestressed bars and are installed horizontally in the walls of about 1 in. the contour of the ceiling 2 under the lower edge of the last 4. Monolithic walls 1 are made of concrete, and monolithic floors 2 are made of injected concrete. Monolithic slabs 2 can be flat, with vutami around the perimeter or stepped up, and prestressed bars 3 - with broadening 5 at the ends. Above openings 6, reinforcement cages 7 should be installed,

The prestressed bars 3 form closed reinforcing bars that perceive the spreading of floors (FIG. 2 and 3) and prevent deformation of floors 2 from the plane and their destruction. Compression of floors 2 in their plane is achieved by applying tensile concrete to floors 2. In this case, the prestressed bars 3 are only stretched, and the overlaps 2 are compressed in their plane, which makes reinforcement of the overlaps 2 unnecessary. The cross-sectional area of the prestressed bars 3 and their reinforcement is determined by calculation depending only on the area of the cells -

The roofs 2 and the loads on them, therefore the bars can be unified for all floors of the building.

The prestressed bars 3 and the reinforcement cages 7 are installed in the formwork of the walls 1 as they are concreted.

The prestressed bars 3 also serve as horizontal floor connections between all the walls of the first high-rise building. Over openings 6 in walls 1, prestressed bars 3, together with reinforcement cages 7, perceive forces in excess of vertical and horizontal external loads.

The multi-storey building was erected in order.

Install the formwork of the walls 1 and the paving of the 2nd floor, concrete the walls 1 to the top of the openings 6, place the reinforcement cages 7, concrete the walls 1 to the lower marks of the prestressed bars 3, install the latter on the ceiling formwork 2, lay the tension concrete, After purchasing concrete required strength, the formwork is removed and transferred to the next floor, where all operations are repeated,

Claims (1)

Invention Formula A multi-storey building, including monolithic walls and ceilings, rigidly interconnected, and elements of reinforcement j, which means that in order to reduce material consumption and labor intensity during the construction of buildings from monolithic reinforced concrete, the reinforcement elements are made in the form of prestressed bars and installed horizontally in the walls, along the contour of the ceiling under the S4 edge of the latter, the walls being made of concrete, and of the tension of tension concrete. (rig.1  CL