TABLE 2.4 Analytical Expressions for ZSection ExpressionA2 [(tb)C 1 bC 2 ]Z 1 R
Ab ln RC 2
RC 2 (tb) ln RC 1
RC 1 and AtC 1 (bt)C 3 bC 2Z 1
R
At ln (RC 1 )(bt) ln (RC 0 )b ln (RC 2 )Z 1 (^2)
R
r
R
r
B
R
r
2
(^1)
Z 1
R
h
ln
RC
RC
h
R
Section
C
r
R
b
b
C 1
C 1
C (^3) C 2
R
C (^2) R
t
t
r
67