SPECIMEN FOR STUDYING STRAIN/STRESS STATE OF STRUCTURES

摘要

the invention u043au0430u0441u0430u0435u0442u0441u00a0 u0438u0441u043fu044bu0442u0430u043du0438u00a0 materials and can be used u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 their strength at the joint action of normal and u043au0430u0441u0430u0442u0435u043bu044cu043du044bu0445 u043du0430u043fu0440u00a0u0436u0435u043du0438u0439. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved accuracy in the simulation u043du0430u043fu0440u00a0u0436u0435u043du043du043e - deformed u0441u043eu0441u0442u043eu00a0u043du0438u00a0 facings with u043au043eu043du0446u0435u043du0442u0440u0430u0442u043eu0440u0430u043cu0438 reinforced concrete structures.the sample includes two identical parallel u043au0440u0438u0432u043eu043bu0438u043du0435u0439u043du044bu0445 mark 1 and 2, that is on the opposite broad u0433u0440u0430u043du00a0u0445 3 and 4 tilt to the rib. the depth of notches 1 and 2 is chosen such that the u0441u0435u0447u0435u043du0438u00a0 samples along the incision 1 and 2 was less than the transverse u0441u0435u0447u0435u043du0438u00a0 sample zone without incision i and 2. the curve shape of incision is selected from u0441u043eu043eu0442u043du043eu0448u0435u043du0438u00a0 (x) j.(gas / 0) xdx, where x is u043fu0435u0440u0435u043cu0435u043du043du0430u00a0 abscissa axis incision 1, 2 in the direction u043fu0435u0440u043fu0435u043du0434u0438u043au0443u043bu00a0u0440u043du043eu043c rib (x) - u043fu0435u0440u0435u043cu0435u043du043du0430u00a0 ordinate axis incision lines 1, 2 in a direction in parallel the face of m, and g is the tangent and normal u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 in arbitrary point axis u043du0430u0437u0440u0435u0434u043eu0432 1, 2; (c / g) (x) - u0437u0430u0434u0430u043du043du0430u00a0 u0444u0443u043du043au0446u0438u00a0 u0438u0437u043cu0435u043du0435u043du0438u00a0 u043eu0442u043du043eu0448u0435u043du0438u00a0 j-21 / (.the test sample u043fu0440u043eu0432u043eu0434u00a0u0442 his u0440u0430u0441u0442u00a0u0436u0435u043du0438u0435u043c in the direction parallel to the face, to u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 pattern are accumulated with the u043du0430u0434u0440u0435u0437u0430u043cu0438 1 and 2. 1 u0442u0430u0431u043b., 3). with 8 l