ДОСЛІДЖЕННЯ ПРОГИНІВ В ЗАЛІЗОБЕТОННИХ АРКАХ З ВИСОКОМІЦНОГО БЕТОНУ НА ДІЮ КОРОТКОЧАСНИХ СТАТИЧНИХ МАЛОЦИКЛОВИХ ПОВТОРНИХ НАВАНТАЖЕНЬ

Abstract

The issue of improving Ukraine's defense capabilities in this difficult time is now an urgent one. There is an urgent need to build new and restore destroyed defense and civil defense facilities. In order to achieve the fastest possible pace of construction of defense facilities, it is proposed to use high-strength quick-setting concrete. The use of high-strength concrete can significantly reduce the volume of concrete, and thus the dead weight of structures, and reduce the consumption of reinforcing steel in reinforced concrete structures. This type of heavy concrete can significantly reduce the time required to construct structures, increase the strength and reliability of structures and the building as a whole. One of the effective structural schemes of a civil defense protective building (shelter) is a combination of structural elements made of monolithic reinforced concrete and prefabricated elements in the form of two-hinged arches made of high-strength concrete.