Stress and strain of uncracked sections - Concrete Structures: Stresses and Deformations - page 38

Table 2.1 Calculation of A , B and I of transformed section at time t 0

Properties of area Properties of transformed area

A B I AE / E ref BE / E ref IE / E ref

(m 2 ) ( m 3 ) ( m 4 ) ( m 2 ) ( m 3 ) ( m 4 )

Concrete 0.3545 − 1.625 × 10 − 3 41.84 × 10 − 3 0.3545 − 1.625 × 10 − 3 41.84 × 10 − 3

Non-prestressed steel 2500 × 10 − 6 0.275 × 10 − 3 0.756 × 10 − 3 0.0167 1.833 × 10 − 3 5.04 × 10 − 3

Prestressed steel — — — — — —

Properties of 0.3712 0.208 × 10 − 3 46.88 × 10 − 3

transformed section A B I