SYSTEM OF PROFILES FOR CREATING AN INTERLOCK Russian patent published in 2023 - IPC E02D5/12 

FIELD: road construction.

SUBSTANCE: manufacture of profiles with side edges specially designed for coupling to form an interlock which can be used mainly in joining concrete blocks of a road barrier. The system of profiles for creating an interlock contains two profiles: the first is a female profile, consisting of a strip part and a U-shaped side edge, the end sections of which, bent inward, form an open cavity for placing the side edge of the second profile in it, the end sections of the U-shaped edge are made symmetrical with respect to the profile axis. The second profile is a profile with a double T-shaped edge, consisting of two shelves symmetrically located at the edges with symmetrically bent edges and with the possibility of placing them in an open cavity formed by the end sections of the U-shaped side edge of the female profile on each side, and a strip part, with axis of symmetry coinciding with the axis of symmetry of the shelves. αBending angle of the edges of the profile shelves with a double T-shaped edge is less than 90°, and the bending angle of the end sections of the U-shaped edge of the strip profile is equal to α+90°. End sections of the profile with a U-shaped edge with thickness a>0 on the outside, throughout the entire length of the rounding, have a thickening with a constant value b>0, the inner radius of rounding of the end sections is equal to R₁>0, the outer radius of rounding of the end sections is R₂=R₁+a+b, U-shaped side edge with a thickness a>0 on the outer side has a thinning, which throughout the entire length of the convex rounding has a constant value c>0, and along the entire length of the concave rounding - smoothly decreases from c>0 at the junction point of the convex and concave rounding to 0 at the junction point to the strip part. The inner radius of rounding of the U-shaped side edge is R₃>0, the outer radius of the convex rounding of the U-shaped side edge is equal to R₄=R₃+a-c and smoothly mates with the outer radius of the concave rounding R₅>0 U-shaped side edge.

EFFECT: increasing the strength and at the same time reducing the metal consumption of the interlock profile system.

2 cl, 1 tbl, 3 ex