UNIT I:
INTRODUCTION: HISTORIC DEVELOPMENTGENERAL PRINCIPLES OF PRESTRESSING
PRETENSIONING AND POST TENSIONINGADVANTAGES AND LIMITATIONS OF PRESTRESSED
CONCRETE- GENERAL PRINCIPLES OF PSCCLASSIFICATION AND TYPES OF PRESTRESSINGMATERIALS- HIGH STRENGTH CONCRETE AND
HIGH TENSILE STEEL THEIR CHARACTERISTICS.
METHODS AND SYSTEMS OF PRESTRESSING:
PRETENSIONING AND POSTTENSIONING
METHODS AND SYSTEMS OF PRESTRESSING LIKE
HOYER SYSTEM, MAGNEL BLATON
SYSTEM, FREYSSINET SYSTEM AND GIFFORDUDALL SYSTEM- LEE MCCALL SYSTEM