Yahin S. Bended I-beams with the cavities filled with concrete

Object - bearing strength of bended I-beams with the cavities filled with concrete. The purpose - development of theoretical methods of estimation of tensely-deformed condition and strength calculation of bended I-beams with the cavities filled with concrete. A method - experimental research by a method of an electrostrain measurement. Theoretical results - revealed characteristic shapes of collapse of I-beams with the cavities filled with concrete. The influence of different strength classes of concrete and different types of reinforcing on a bearing strength of these elements is spotted. Practical results - method of estimation a tensely-deformed condition by method of finite elements with use of the complete diagrams of a deforming of materials on PC and recommendation concerning an engineering calculation method of strength and deformability is designed. The results are introduced at designing and manufacturing of beams on Poltava mixed fodder factory and are injected into practice of designing ofthe Poltava branch of State design institute "Miskbudproekt". Sphere of use - building industry.