4-51
4-52
4-53
4-56
4-57
4-58
4-59
4-60
4-61
4-64
4-65
4-67
4-69
4-71
4-72
; ; 1
;
4-77
4-79
Torsion of Noncircular Sections
4-80
4-82
4-83
4-85
4-87
4-88
4-89 ;
;
4-90 : :
4-92
4-93 ;
4-95
4-96
4-98
4-99
4-100
4-102
4-104
4-105
4-106
4-107
4-108
4-109
4-110
4-111
4-112