- Author
-
Gales, J.
|
Bisby, L. A.
|
MacDougall, C.
|
MacLean, K.
- Title
- Transient High-Temperature Stress Relaxation of Prestressing Tendons in Unbonded Construction.
- Coporate
- Queens Univ., Kingston, Ontario K7L 3N6, Canada
Edinburgh Univ., Scotland
Read Jones Christoffersen Ltd., Toronto, Ontario M5J 2L7, Canada
- Journal
-
Fire Safety Journal,
Vol. 44,
No. 4,
570-579,
May 2009
- Keywords
-
construction
|
high temperature
|
stress (mechanics)
|
steels
|
slabs (members)
|
fire endurance
|
thermal creep
|
equations
|
tests
|
validation
|
experiments
|
computer programs
|
concretes
|
ASTM E 119
- Identifiers
- prestressing steel; post-tensioned slabs; high temperature creep; stress relaxation; unbonded construction; residual capacity; unbonded post-tensioned (UPT) flat plate concrete slabs; modeling transient thermal creep and stress relaxiation at high temperature; intial prestress level; concrete cover to the prestressed reinforcement; ratio of heated length to total length of tendon; flexural capacity