SU1735541A1 - Concrete shield - Google Patents

Abstract

Use: in the construction of monolithic structures of concrete and reinforced concrete. The essence of the invention: the formwork shield has a one-piece frame of two transverse 1 and two longitudinal 2 ribs and deck 3. To the longitudinal ribs 2 of the shield frame having fastening elements 4, intermediate transverse ribs 9 are fastened with clamp clamps 9. Clamp clamps are installed at the ends of intermediate transverse ribs 9 and allow smooth adjustment of the spacing of these ribs. 2 Il.

Description

1

The invention relates to the construction and can be used in the construction of structures of monolithic concrete and reinforced concrete.

The known structure of the shield is a folding formwork, in which the longitudinal and transverse ribs at the points of their adjoining are bolted together.

The disadvantages of the known construction are its low bearing capacity due to weakening of the longitudinal edges of the shield with holes for connecting bolts, greater laboriousness of assembly and disassembly of the shield of the formwork due to the need to perform a large number of edge joints and attachment of the deck to the edges of the shield.

Closest to the present invention is a formwork panel, consisting of rigidly connected transverse and longitudinal edges of the frame with a deck attached to them and rigidly fixed intermediate transverse edges.

Such a n / a design is designed for the perception of a certain load; therefore, the use of a formwork shield with a smaller load is impractical, and with a larger load is impossible.

The disadvantages of this formwork shield design are the limitation in use due to the inability to regulate the load bearing capacity of the shield and the significant cost of the formwork work due to the need to use in the construction of shields of different load bearing capacity.

The purpose of the invention is the expansion of technological capabilities.

This goal is achieved by installing on the frame of the shield the guides of the angular profile, on which intermediate transverse ribs are fixed by means of tick clamps, while the corner shelf is placed in the tong clamp and broadened in the form of a roller, and the inner surfaces of the tong clamp have corrugations and a notch for the passage of the roller.

FIG. 1 shows a formwork shield with intermediate transverse ribs and a rigid frame along its contour, side view; in fig. 2 shows section A-A in FIG. one.

The formwork shield consists of a rigid frame along its contour formed by two transverse 1 and two longitudinal 2 ribs connected by welding, as well as a deck 3

(Fig. 1 and 2). To the ribs 2 of the frame at a certain distance from the shield deck, fastening corners 4 are welded; at the end of the protruding shelf, they have broadening 5 in the form of a roller.

for engagement with the movable 6 and the fixed 10 parts of the clamp clamp, which can be tightened with the help of the connecting bolt 7 and the nut 8. The fixed portion 10 of the clamp clamp is attached by a weld

seam 11 to the intermediate transverse edge 9 of the formwork shield, having a section in the form of a channel. In the general case, the cross section of the intermediate ribs 9 may be in the form of an angle, a channel, a hollow rectangle, and

strip (bar).

In the movable 6 and the fixed 10 parts, the clamp clamp is made coaxially (coincide) with holes for the passage of the connecting bolt 7 (Fig. 2).

Thanks to the ability to use

intermediate transverse ribs of various shapes and, according to the calculation, to set them in greater or smaller quantity, can be changed within known limits

strength and deformative characteristics of the formwork shield. This will allow to use such a shield for receiving a number of loads that do not exceed the maximum, and also to avoid the need to use other formwork shield structures on the construction site. Due to the lack of transportation costs for the delivery to the volume of other structures of formwork boards and an increase in the intensity of their turnover

The cost of formwork when using the proposed shields will be significantly reduced.

Claims (1)

Invention Formula A formwork shield that includes a frame of rigidly connected transverse and longitudinal ribs with an attached deck and intermediate transverse ribs, characterized in that expansion of technological capabilities; on the frame of the shield, there are installed angular profile guides, on which intermediate transverse ribs are fixed by means of tick clamps, with This corner shelf is placed in the tong clamp and is made with a widening in the form of a roller, and the inner surfaces of the tong clamp have grooves and a recess for the passage of the roller. eleven FIG. 2