Study on the earthquake strength of the poles. By means of a pole test, cyclic raengkratham, under Priestely and faculty in the years 1995 and 1999 year Saatcioglu Razvi and etc. I found that the ability to accept the cycle of pillars or pillar of consistency (ductility), depending on the strength of concrete towers and the Bishop area, acquiring strength of steel reinforced concrete crack which, when covered, reinforced casing away together to make concrete is not in a condition that is hug and.When the concrete encrusted steel casing crack will cause the steel pressure. Birth to inflate to crack and could not get the pressure. From the research of the Bae Board in 2005 and found that the steel casing exceeds the space (S) is approximately the width of. antenna (b) to make a very very tall iron stand and receive very little pressure is when the concrete cover has crack.
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