A method of enhancing concrete columns, the bearing capacity loss

摘要

method u0443u0441u0438u043bu0435u043du0438u00a0 u0436u0435u043bu0435u0437u043eu0431u0435u0442u043eu043du043du043eu0439 column, having a loading capacity as a result of the corrosion of concrete and rebar by processing surface of column u043du0430u0441u0435u0447u043au043eu0439 and u0432u043bu0430u0436u043du0435u043du0438u0435u043c surface device rounds and building a u0441u0435u0447u0435u043du0438u00a0 with decreasing eccentricity u043fu0440u0438u043bu043eu0436u0435u043du0438u00a0 longitudinal compressive force, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 the fact that steel pipe skew, u043eu0431u0436u0438u043cu0430u00a0 its ratio of two rolls.u043fu0440u0435u0432u0440u0430u0449u0430u00a0 cylindrical section at the oval with the attitude of the larger axis at equal to three, cut the pipe along a column, make damaged inside the steel clips, u043eu0440u0438u0435u043du0442u0438u0440u0443u00a0 its major axis in the plane of the eccentricity of u0441u0435u0447u0435u043du0438u00a0 u043fu0440u0438u043bu043eu0436u0435u043du0438u00a0 longitudinal compressive force and reduce the eccentricity.the two halves are u0441u043eu0435u0434u0438u043du00a0u044eu0442 oval u0441u0435u0447u0435u043du0438u00a0 together and u0437u0430u043fu043eu043bu043du00a0u044eu0442 cavity between the steel clip and a u0436u0435u043bu0435u0437u043eu0431u0435u0442u043eu043du043du043eu0439 column u0440u0430u0441u0448u0438u0440u00a0u044eu0449 u0438u043cu0441u00a0 u043cu0435u043bu043au043eu0437u0435u0440u043du0438u0441u0442u044bu043c concrete, u043du0430u0433u043du0435u0442u0430u00a0 through pipes in the cavity from the bottom up, u0443u043fu043bu043eu0442u043du00a0u044eu0442 concrete u0432u0438u0431u0440u0438u0440u043eu0432u0430u043du0438u0435u043c and u0441u0445u0432u0430u0442u044bu0432u0430u043du0438u0438 his u043fu0440u0435u0434u043du0430u043fu0440u00a0u0433u0430u044eu0442 ratio, u043eu0431u0436u0438u043cu0430 u00a0 him from all sides u0443u0441u0438u043bu00a0u044eu0442 steel clip and the whole structure.