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Other Symbols Used In Slab Design Theory


α\alpha proportion of total thickness comprising each outer layer

ε\varepsilon strain

φ\varphi angle of principal compressive stress and strain, measured anticlockwise with respect to x axis


AA relating to pass A

BB relating to pass B

CC relating to pass C or compression-only reinforcement

TT relating to tension-only reinforcement

aa applied

bb bottom layer or face

cc concrete

ee effective

mm middle layer

nn general direction = 1 or 2

ss steel

tt top layer or face

zz at level of reinforcement

11 direction 1

22 direction 2

>> principal direction with greater compression or lesser tension

<< principal direction with greater tension or lesser compression