00789naa#a2200181#i#450# EN\\bibl\29558 20240503091352.5 2071-7318 20160425b2016####ek#y0engy0150####ca RU THE STRENGTH AND THE CRACK RESISTANCE OF THE BENT REINFORCED CONCRETE TRAPEZOIDAL CROSS-SECTION ELEMENTS WITH THE WIDE LOWER BOUND Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 6 с. Journal article local Строительство. Строительные материалы. Строительно-монтажные работы. 69 Obernihin Dmitriy Vyacheslavovich Nikulin Aleksandr Ivanovich bulletinbstu.editorum.ru