TABLE II.

CT/TA activation strength ratio and body-cover depths in the five cases studied.

	CT/TA activation strength	Depth of body/cover layer (mm)
Case 1	${\mathit{\sigma }}_{\text{max}}^{\text{CT}}$:${\mathit{\sigma }}_{\text{max}}^{\text{TA}}$ = 2:1	Db = 5, Dc = 2.5
Case 2	${\mathit{\sigma }}_{\text{max}}^{\text{CT}}$:${\mathit{\sigma }}_{\text{max}}^{\text{TA}}$ = 1:1	Db = 5, Dc = 2.5
Case 3	${\mathit{\sigma }}_{\text{max}}^{\text{CT}}$:${\mathit{\sigma }}_{\text{max}}^{\text{TA}}$ = 0.5:1	Db = 5, Dc = 2.5
Case 4	${\mathit{\sigma }}_{\text{max}}^{\text{CT}}$:${\mathit{\sigma }}_{\text{max}}^{\text{TA}}$ = 2:1	Db = 6, Dc = 1.5
Case 5	${\mathit{\sigma }}_{\text{max}}^{\text{CT}}$:${\mathit{\sigma }}_{\text{max}}^{\text{TA}}$ = 2:1	Db = 4, Dc = 3.5