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state the maximum amount of resistance in a polethe maximum amount of resistance in a pole is generally required at the base and so the maximum cross
determine the uses of prestressed concrete poles prestressed concrete poles are commonly mass produced and are used in most countries for power
prestressed concrete polesin the past decades prestressed concrete poles have become popular and have replaced the traditional poles made of
design of prestressed concrete pipes the design of prestressed concrete pipes should cover the following five stages a circumferential prestressing
define the meaning of circular prestressing in circular prestressing tendon wires are wrapped under tension over the concrete pipes which are
elaborate the term - prestressed concrete pipesliquid retaining structures such as circular pipes tanks and pressure vessels are suited for circular
determine the limit state of serviceabilitycracking cracking of concrete should not affect the appearance or durability of the structure the criteria
how to do deflection calculationsbasic values of to effective depth ratios for s upto 10m may be taken as 7 20 and 26 for cantilever simply
define the term - permanent loadwhere the permanent load is less than or equal to 25 of the design imposed load deflections may be calculated using
determine about the long-term deflectionsfor long-term deflections the total long-term deflection due to the prestressing force dead load and any
state the short-term deflectionsif short-term deflections are considered the instantaneous deflection due to design loads may be calculated using
limit state of serviceability deflection in the consideration of this limit state the deflection of a structural member is considered the code
design for the limit state of collapse in bending following assumptions are taken in the design for the limit state of collapse in bending or
determine the strain compatibility methodfor estimating the ultimate strength of prestressed concrete members in flexure strain compatibility method
state the design process of prestressed concretemost of the times the design process is an interactive and trial procedure in which the cycle of
demonstrate the economical design of concrete a safe serviceable and economical design of concrete structures requires a comprehensive knowledge of
state the term - constant eccentricitya pre-stressed concrete beam has a width of 300 mm and an overall depth of 450 mm the permissible stresses in
compute the stresses at top and bottom fibers in a simply supported pre-stressed concrete beam with a rectangular cross section 250 mm wide and 450
determine about the statement - failure at cracking loadthis brittle mode of failure is likely to occur in those pre-stressed elements that are
failure due to rupture of steelthis mode of failure is likely in lightly reinforced concrete members in which the ultimate strength of steel
enumerate the term - failure due to crushing of concreteover reinforced pre-stressed concrete members provided with a large amount of pre-stressing
state the term - failure due to strainin most of the cases of pre-stressed concrete construction the failure of underreinforced and lightly
what is the external load acting on a pre-stressed beamin the elastic range a variation in the external load acting on a pre-stressed beam results in
importance of racking load for a pre-stressed concrete beam evaluation of cracking load for a pre-stressed concrete beam member is important for the
determine the stage of cracking moment of pre-stress at the stage of transfer of pre-stress in the pre-stressed beam element only the