Lecture 2.2 Pretensioned Concrete Dr. Hazim Dwairi Schematic of - PDF document

Prestressed Concrete Hashemite University The Hashemite University Dept. of Civil Engineering Lecture 2.2 Pretensioned Concrete Dr. Hazim Dwairi Schematic of Pretentioning Bed Dr. Hazim Dwairi 1

Prestressed Concrete Hashemite University View of the tendons layout and Casting Bed View of the tendons layout Dr. Hazim Dwairi 2

Prestressed Concrete Hashemite University Hold-down anchor for harping pretensioned tendons Harping of tendons in prestressing bed Dr. Hazim Dwairi 3

Prestressed Concrete Hashemite University Installing Load cells at the end of the girder to measure prestress force (Dead End) View of the lower flange tendons with load cells installed (Dead End) Dr. Hazim Dwairi 4

Prestressed Concrete Hashemite University View of all tendons with load cells installed (Dead End) Jacking the tendons (Jacking or Live End) Dr. Hazim Dwairi 5

Prestressed Concrete Hashemite University Jacking the tendons (Live End) Shear reinforcement and strain gauges Dr. Hazim Dwairi 6

Prestressed Concrete Hashemite University Installing forms Wiring Instruments Dr. Hazim Dwairi 7

Prestressed Concrete Hashemite University Concrete mixing plant Pouring SCC Dr. Hazim Dwairi 8

Prestressed Concrete Hashemite University Vibrating the regular girders Making specimens Dr. Hazim Dwairi 9

Prestressed Concrete Hashemite University J-Ring test L-Box test in progress Dr. Hazim Dwairi 10

Prestressed Concrete Hashemite University Data loggers connected to the strain gauges Thermocouple recorder Dr. Hazim Dwairi 11

Prestressed Concrete Hashemite University Curing specimens with the girders Taking forms off Dr. Hazim Dwairi 12

Prestressed Concrete Hashemite University Taking forms off Taking forms off Dr. Hazim Dwairi 13

Prestressed Concrete Hashemite University Taking forms off Taking forms off Dr. Hazim Dwairi 14

Prestressed Concrete Hashemite University Torch Detentioning Torch Detentioning Dr. Hazim Dwairi 15

Prestressed Concrete Hashemite University Torch Detentioning Two SCC girders and One regular Dr. Hazim Dwairi 16