Abstract

The article considers the problem of determining the extra effort that occurs when the steel weir rope runsng and the bend on the block. In spite of that what questions of determining the strain in ropes of carrying machines dedicate very many of works different sciences to our time no definition method of calculation of additional strains of bend in rope in the time of bend on block. For define overall increase of length wire obtain at cover of rope on the block was examine site of rope from its point contact since block to exceed widen of elongation in side of straight rope. On transition site the rope have certain curvature which is small value in comparison since curvature rope at increase additional effort on transition site not create important influence. On this score extend additional effort on transition site examine however for the straight rope. On value overall increase of the length wire transition site can have considerable influence because on this site the wire can have considerable increase of the length which summarize with value elongation receipt widen which is in rope curve on block. Although the question of defining the forces of the ropes of Considered steel weir rope element, which goes from a straight section to the curved on the block is a subject of very many works. In this case there arise tensile force (or compression force), which leads to the destruction of weirs of the steel weir rope. The proposed new calculation, which is based on the classical theory, namely Hooke's law. A comparison of the calculated values with the experimental ones is made.

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