TY JOUR TI APPLICATION OF NON-REMOVABLE TUBULAR COLLECTORS AND LIGHT-WEIGHT CONCRETE FOR REDUCING THE WEIGHT OF REINFORCED CONCRETE STRUCTURES AS ONE OF THE WAYS TO REDUCE THE SEISMIC IMPACT ON HIGH-RISE BUILDINGS KW construction KW building KW light and heavy concretes KW void formers JO Construction and industrial safety AU Pushkarev, B.A. PY 2024 IS 0 PB V.I. Vernadsky Crimean Federal University