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Dr. JOB THOMAS CUSAT
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MODULE 1
PRETENSIONING
POSTTENSIONING
P0STTENSIONING
POSTTENSIONING
STAGES OF LOADING -PRETENSIONING
STAGES OF LOADING -POSTTENSIONING
PARTIAL PRESTRESSING
PARTIAL PRESTRESSING
STRAIN CHARACTERISTIC
STEEL WIRES
STEEL STRANDS
STEEL STRANDS
STEEL BAR
STEEL BAR
STEEL BAR
FIBRE GLASS TENDONS
FIBRE GLASS TENDONS
GROUTING
GROUTING
GROUTING
GROUTING
MODULE 2
END ANCHORAGE
END ANCHORAGE
TENSIONING METHODS IN POST TENSIONING
FREYSSINET SYSTEM
• FREYSSINET SYSTEM
MAGNAL BLATON SYSTEM
APPLYING TENSION USING HYDRAULIC JACK
POSTTENSIONING SYSTEM USING HYDRAULIC JACK
POSTTENSIONING SYSTEM
POSTTENSIONING SYSTEM-EXTERNAL
POSTTENSIONING SYSTEM-UNBONDED
POSTTENSIONING ANCHORAGES UTILISING WEDGE ACTION
POSTTENSIONING ANCHORAGE FOR WIRES
POSTTENSIONING ANCHORAGE FOR WIRES
POSTTENSIONING ANCHORAGE FOR BARS
POSTTENSIONING ANCHORAGE FOR BARS
POSTTENSIONING ANCHORAGE FOR STRANDS
POSTTENIONING ANCHORAGE USING WEDGE ACTION
MULTISTRAND POSTTENSIONING SYSTEM
ELASTIC SHORTENING OF CONCRETE
ELASTIC SHORTENING OF CONCRETE
TIME DEPENDENT LOSS
TIME DEPENDENT LOSS
LOSS DUE TO CREEP OF CONCRETE
LOSS DUE TO CREEP OF CONCRETE
LOSS DUE TO SHRINKAGE OF CONCRETE
LOSS DUE TO STEEL RELAXATION
LOSS DUE TO STEEL RELAXATION
LOSS DUE TO ANCHORAGE
LOSS OR GAIN DUE TO BENDING
FRICTIONAL LOSS
LOSS DUE TO ELONGATION OF TENDONS
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