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Post-Tensioningin Building Construction. Examples of Post- Tensioned Building Construction.

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Presentation on theme: "Post-Tensioningin Building Construction. Examples of Post- Tensioned Building Construction."— Presentation transcript:

1 Post-Tensioningin Building Construction

2 Examples of Post- Tensioned Building Construction

3 Constructed with Unbonded Post-Tensioning Daniel Burnham Court, San Francisco

4 CONSTRUCTEDWITHUNBONDEDPOST-TENSIONING Red Lion Inn

5 EXAMPLES OF POST-TENSIONING PARKING STRUCTURES La Palma Center, La Palma, California Xerox Center, Santa Ana, California Lakeshore Tower, Irvine, California California

6 Constructed with Unbonded Post-Tensioning University of California Medical Center, Irvine

7 CONSTRUCTEDWITH UNBONDED POST TENSIONING San Jose International Airport

8 POST-TENSIONED CONSTRUCTION WITH UNBONDED TENDON Cal-State Northridge C.I.P. Parking Structure

9 POST-TENSIONED CONCRETE FLOOR SUPPORTING STEEL FRAME OFFICE BUILDING Hybrid Construction

10 BASE PLATES FOR COLUMNS TERMINATING ON PT SLAB

11 POST-TENSIONED HYPRID CONSTRUCTION Irwin Plaza, San Rafael, California

12 VIEW OF THE PARKING LEVEL OF A HYPRID CONSTRTUCTION Irwin Plaza, San Rafael, California

13 POST-TENSIONED MAT FOUNDATION Fortaleza, Brazil

14 POST-TENSIONED MAT FOUNDATION Kodak Building, San Jose

15 POST-TENSIONED GROUND SUPPORTED SLAB READY FOR CONCRETE POUR

16 UNITED STATES POST-TENSIONING STEEL TONNAGE POST-TENSIONING STEEL TONNAGE 1999 STATISTICS Buildings33 % Bridges17 % Ground supported slabs43 % Earthwork 6% Miscellaneous 1 % ____________________________________ Total 100%

17 ADVANTAGES OF POST-TENSIONING Longer clear spans Longer clear spans Thinner slabs Thinner slabs Lesser floor-to-floor heights Lesser floor-to-floor heights Shorter building height Shorter building height Lesser weight Lesser weight Improved seismic performance Improved seismic performance Faster construction cycle Faster construction cycle

18 Post-Tensioning System System Unbonded Unbonded Grouted (Bonded) Grouted (Bonded)

19 ARRANGEMENT OF UNBONDED POST-TENSIONING SYSTEM

20 COMPONENTS OF A GENERIC 12 mm (1/2 in.) STRAND TENDON

21 HARDWARE FOR CORROSIVE ENVIRONMENT

22 ASSEMBLED ANCHOR DEVICE FOR CORROSIVE ENVIRONMENT

23 LIVE (STRESSING) ENDS AT SLAB EDGE

24 UNBONDED POST-TENSIONING CONSTRUCTION High Rise Building 3rd Street San Francisco

25 UNBONDED POST-TENSIONING CONSTRUCTION Red Lion Inn Hotel Modesto, California


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