TY JOUR TI THE PHYSICAL NATURE AND THE MAGNITUDE OF THE CONTACT DEFORMATION OF THE HORIZONTAL MORTAR JOINTS OF MASONRY WHEN POWER COMPRESSION KW masonry KW mortar KW horizontal seams KW pin deformation KW limiting plasticity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Donchenko, O.M. AU Degtev, I.A. AU Tarasenko, V.N. AU Litovkin, N.I. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov