SLAB OF BUILT-UP PAVEMENT Russian patent published in 1997 - IPC

FIELD: construction; applicable in construction of pavements of roads with prevalent freight traffic, and in capacity of bases for roads of all categories. SUBSTANCE: upper part of slab is rectangular, for instance, in form of right parallelepiped whose width is multiple relative to length of integer of not less than two, less the value covering gaps between joined slabs. Upper planes of alternating slots and projections of lower part of slab and inclined relative to plane of base, and slots and projections whose number is even, are located in width and length with multiplicity of side sizes. EFFECT: decreased labor input in installation of slabs in pavement, higher bearing capacity of joints, improved shape, reliability and operating characteristics of pavement made of the offered slabs. 5 dwg