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Activity:
Question posted: 12 02 2008 08:42:47 +0000,
3 answers, 241 views, last activity
07 06 2010 20:18:08 +0000
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hello sir
in Post tensioning generally we are using HIGH TENSILE STRAND(HT Strand).it is available in 12.7mm ,15.2 mm dia(0.5" or 0.6").its ultimate tensile force is 12.7mm=1860m/mm2,15.2mm=2120n/mm2.IS 14268 CODE.
for any information pls send mail.
regards
seeram.aravind
estimation&marketing Engineer
Tech 9 Engineering Solutions pvt ltd
9299606930
hyderabad
Thanx aravind for giving such precise information. hope for same response in the future.
Yes
Ansuman
Post-tensioning (P-T) dates back to the beginning of the twentieth century but was not seen in the United States until the construction of a bridge in 1949. In the 1960s, with the development of higher strength steel, better attachment hardware, better construction techniques, and simplified design methods, the use of P-T to reinforce structures became more popular. By the early 1990s the mystery of P-T subsided with further refinements to the tensioning process, the development of more corrosion-resistant anchorages, and the widespread dissemination of design software. Because of these factors, P-T has become a preferred method for reinforcing concrete today.
U can get details also in the reffered site(http://findarticles.com/p)
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