ETL 1110-2-365
31 Aug 94
ANNEX 4: PARAMETERS REQUIRED FOR NISA INPUT
A4-1. List of Parameters
(10) Adiabatic temperature rise curve * (to be
used in DFLUX or HETVAL).
The items listed are the various parameters required
for input when performing a NISA. More informa-
b.
Stress analysis.
tion on each of these parameters can be found in the
main text. Parameters which are based on test results
(1)
3-day modulus of elasticity *.
will be designated with an *.
(2)
3-day compressive strength *.
a. Heat transfer analysis.
(3) Fracture strain * (computed from slow load
(1)
Extreme ambient air temperature.
test data as described in Annex 2, this appendix).
(2)
Film coefficients (for convection).
(4) Modulus of elasticity curve (aging
modulus) * (to be used in ANACAP-U).
-
without formwork
-
with formwork
(5)
Creep curve * (to be used in ANACAP-U).
-
with insulation
-
at various wind speeds
(6) Shrinkage curve * (to be used in
ANACAP-U).
(3) Initial distribution of temperature in
foundation.
(7)
Coefficient of thermal expansion*.
(4) Boundary temperature condition at base of
(8) Type of concrete model used in
foundation.
ANACAP-U (WES model is model 4).
(5)
Placing temperature of the concrete.
(9)
Poisson's Ratio *.
(6) Relative analysis time when each lift is
(10) Time of set (age at which concrete can
placed (based on sequence and intervals of lift
begin to carry load) *.
placements).
(7)
(12) Shrinkage factor (bandwidth percentage).
- concrete *
- foundation
(13) Number of concrete mixtures used in the
- air
analysis.
(8)
Specific heat.
(14) Boundary conditions.
- concrete *
- symmetry
- foundation
- lateral restraint for foundation
- air
(15) Foundation, piles.
(9)
Density.
- lateral spring coefficient
- concrete *
- vertical spring coefficient (piles & soil)
- foundation
- air
A4-1
Previous Page
