µθ
¾
×ls
×yy
×zyy
×zz
ß
æ
˚
˚c
α3
β1
β2
βd
βe
γxy1
γxy2
γxy3
γxy4
γxz1
γxz2
γxz3
γxz4
δb
δf
δl_c
δl_e
δl_p
δl_sl
δs
ε1y
ε_c1
ε_c3
εco
εip
εsh
εsi
εsu
εt
εy
η
θpd
θpu
θy
λv
μd
μs
ξ
σpi
σpr
σpu
σpy
φ1
φ2
ψ0
ψ2
ϕfls
ϕfy
ϕfyf
ϕkl
ϕmb
ϕms
ϕvls
ϕvv
ϕvvm
ф
фu
фy