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limit states of serviceabilitythese are those limit states which point out to the inability of a structure or a structural component in functioning
determine the limit states of collapsethose limit states which point out the failure or collapse of a structure based on certain critical conditions
how the bursting tensile forces producedthese are tensile forces produced due to concentrated longitudinally applied prestressing forces in the end
discuss about the term - end zoneit is the length of a post-tensioned concrete member at the end which is required to get a distribution of prestress
state the process to calculate the transmission lengthit is the distance required at the end of a concrete member for developing the maximum tendon
what is the meaning of term -slip in anchorage in the case of post-tensioned concrete when the tendons are anchored at the ends of concrete members a
determine the meaning of relaxation of steel if the strain in steel is kept constant it is seen that stresses in it reduce with time it is called as
what is the loss of prestress due to shrinkage of concreteit is the loss of prestress due to shrinkage of concrete which takes place in the initial
loss of prestress due to creep in concretedue to the phenomenon of creep compressive prestress induced strains in concrete increase because of it
loss of prestress due to elastic shortening of concretedue to elastic shortening of concrete tendons are able to reduce their stretched length to
what is the meaning of elastic shortening of concreteat the transfer stage compressive prestressing force is transferred to the concrete due to this
determine the term - final tensionthe tension in tendons after losses of prestress have taken place is called as final tension final tension is taken
define in biref about the final prestress the stress which exists after all losses of prestress have occurred substantially is known as final
explain the term - loss of prestressat the transfer stage tendons produce compressive stresses in concrete sooner or later the magnitude of these
process to calculate the initial tension the maximum stress induced in the prestressing tendon at the time of the stressing operation is known as
what is initial prestressfrom the transfer stage tensile stresses in tendons apply compressive stresses in concrete the initial value of these
pre-tensioned concrete elementsit is the act of transferring the stress in prestressing tendons to the concrete member in the case of pre-tensioned
supplementary or untensioned reinforcementit is that reinforcement provided in prestressed concrete member which is not provided in a stretched
explain the term - characteristic strengththe strength of a material below which not more than 5 percent results are expected to fall is
determine the characteristic load for structurethe load which has 95 percent probability of not being exceeded during the life of a structure is
explain the term - circular prestressingthis term refers to the case when tendon profile is provided in a round shape such as in water tanks and
explain the term - uniaxial - biaxial -triaxial prestressingthese terms refer to cases when the concrete is prestressed in only one direction in two
concordant prestressingin this type of prestressing tendons follow a concordant profile the concordant profile of tendons does not change the
non-distortional prestressingconcrete members deflect due to their own self weight if prestressing force is applied in such a way that these
define the proess of eccentric prestressingin this form of prestressing the centroid of cross-sectional areas of tendons is not located at the