Solution C4-80 (Figure C4.8 condition 0 S.M. Targ 1989)

There is a problem C4-80, described in the conditions of S.M. Targa in 1989, which includes two homogeneous rectangular thin plates connected at right angles and fixed at point A with a spherical hinge (or thrust bearing) and at point B with a cylindrical hinge (bearing), as well as a weightless rod 1 (Figures C4.0 - C4 .7) or two bearings at points A and B and two weightless rods 1 and 2 (Figures C4.8, C4.9). All rods are attached to the slabs and fixed supports with hinges. The dimensions of the plates are indicated in the pictures. The large slab has a weight P1 = 5 kN, and the smaller one has a weight P2 = 3 kN. Each plate is located parallel to one of the coordinate planes (the xy plane is horizontal). The plates are acted upon by a pair of forces with a moment M = 4 kN m, lying in the plane of one of the plates, and two forces. The values ​​of these forces, their directions and points of application are indicated in Table C4. In this case, forces F1 and F4 lie in planes parallel to the xy plane, force F2 - in a plane parallel to xz, and force F3 - in a plane parallel to yz. The points of application of forces (D, E, H, K) are located in the corners or in the middle of the sides of the slabs. It is necessary to determine the reactions of the bonds at points A and B and the reaction of the rod (rods). For calculations, take a = 0.6 m.

In the digital goods store, a solution to problem C4-80 is available, shown in Figure C4.8 under condition 0, described in the book by S.M. Targa in 1989.

This digital product is a solution to a problem involving two homogeneous rectangular thin plates connected at right angles and fixed at point A with a spherical hinge (or thrust bearing) and at point B with a cylindrical hinge (bearing), as well as a weightless rod 1 (Figures C4.0 - C4.7) or two bearings at points A and B and two weightless rods 1 and 2 (Figures C4.8, C4.9). All rods are attached to the slabs and fixed supports with hinges.

The solution contains information about the dimensions of the slabs, their weights, points of application of forces, the value and direction of these forces, as well as the reactions of the bonds at points A and B and the reaction of the rod (rods). For calculations, the value a = 0.6 m is taken.

The design of this digital product is made in accordance with the accepted html structure, which makes it easy to use and clear for the perception of information.

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The C4-80 solution is a structure consisting of two homogeneous rectangular thin plates, rigidly connected (welded) at right angles to each other. The plates are secured by a spherical hinge (or thrust bearing) at point A, a cylindrical hinge (bearing) at point B and a weightless rod 1 or two bearings at points A and B and two weightless rods 1 and 2. All rods are attached to the plates and to fixed supports by hinges .

The dimensions of the plates are indicated in the pictures. The weight of the larger slab P1 = 5 kN, the weight of the smaller slab P2 = 3 kN. Each of the plates is located parallel to one of the coordinate planes (the xy plane is horizontal).

The plates are acted upon by a pair of forces with a moment M = 4 kN m, lying in the plane of one of the plates, and two forces. The values ​​of these forces, their directions and points of application are indicated in Table C4. In this case, forces F1 and F4 lie in planes parallel to the xy plane, force F2 - in a plane parallel to xz, and force F3 - in a plane parallel to yz. The points of application of forces (D, E, N, K) are located in the corners or in the middle of the sides of the slabs.

It is necessary to determine the reactions of the bonds at points A and B and the reaction of the rod (rods). When calculating, a = 0.6 m is taken.

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