Substructure Help

Design Parameters

Strength reduction factors

ϕ factors used in design

Multi presence factor

Factor for reduction in live load intensity due to more than one lane loaded

Impact factor

Factor for increase of live load due to impact effect

Crack control factor

z factor in calculation of distribution of flexural reinforcement

Min clear cover

Concrete cover from edge of member to edge of stirrup

Degree of fixity in foundations

Factor used in calculation of k for moment magnification for unbraced column