00738naa#a2200181#i#450# EN\\bibl\49435 20250224064117.1 1815-588X 20220324b2022####ek#y0engy0150####ca RU Frost Heave and Its Influence on Spacer System of Enclosing Constructions of Deep Ditches Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2022 9 с. Journal article local Строительство на мерзлых грунтах. Свойства мерзлых грунтов. 624.139 Metelkin Sergey Vyacheslavovich Paramonov Vladimir Nikolaevich itt-pgups.ru