Tensioni allo stato limite ultimo

G_t + G_l - T = N_sd

G_l = b₀ ⋅ ξ_c ⋅ f_cd

G₂ = A_s ⋅ f_yd

T_c = A_s ⋅ f_yd

h₀ ⋅ γ_s = A_s ⋅ (f_yd - A_s ⋅ f_yd + ξ_cd + ξ_sd)

γ_c = k ⋅ (A_s - ω₁) γ_sd; k (1 - ω₁)

VERIFICA IPOTESI

ε_c2 = ε_yd ÷ E_s

ε_c2 : ξ_c = ε_cu : (h₀ - c¹) = 1,5 ⋅ ε_cu (ε_c ω₁)

ε₁ : (h₀ - c¹) = ε_cu : 1/γ_c + ε_s = ε_cu (0,8-V_cd)

G¹ ⋅ h₀ ⋅ (f_cd-V_cs2) ⋅ A_s ⋅ f_yd (V_cd-V_cd)

(over L)

G_t + G_l - T₂ = N_sd

G_e = (b₀ h₀ f_cd) - (5 s)(c₁ ⋅ f_cd)

G_t + A_s ⋅ f_yd

T = A_s f_yd

G₁ ½ h ⋅ f_cd [(f_yc - ½)(5s(f_yc - b)¹) (5 V_cd - V_cd)f_cd + A_s f_yd(5s(f_yc-△)

G₁ + E₂ - T = M_sol

G₂ = S_d (e_y) F_cd - b (h_k-S) σ_cd - σ_wd - (β₁k_c+b) (h_k-S) f_cd

G_d = AV f_yd

T = AS f_wd

NEFFETTO M_EDISTE 6 λ 7

E_s > E_cd - Jf_cd / 6

E_s > (φ_c-e¹) = E_cm (Y_c) - b E_s = E_cm (Y_c=0.82 f_c¹) / V_c6

E_s > (σ_l-Y_c) = E_cm (Y_c) → E_s = E_cm (0.82 f_c¹-V_cd) / V_cd

G₇ = S₁(c-5)f_cd('φ_c-Y_ce') , (b (h_k-S) ('φ_c)-(c₀ + β / V_cd)((b-c_e+b)(h_k-S)(Φ₆-k_e) + (b-c_e)

+ f_yd . h S ('Φ₆-c¹') + A_s f_eφ (Φ_l-Y_c) = M_sol

C₁ + C₂ + G₃ = T + N_bal

C₂ = (γ_c + 1) φf_cd + ((h_w - ν_c + s) (B - t) φc_d)

C₃ = A₁ φs₁ f_yd

C₃ = A_s φs₁ f_yd

T = A_s φs₁ f_yd

VERIFICA sezione

E_2i (h - c₂ l) = E_ca (γ_c) → E_2i = E_cm (h - c₂)

γ_c

γ_e t φf_cd ((y_B - y_S,lim)) + ((h - ν_c + s)(B - t)) (

(h_wy_c (h_w - ν_c + s)) φc_nd + φ_cd) φc_nd) φc_nd)

A_s φf_yd ((h_c - c)₂) + A_s φs₁ f_yd (h_w - c₂) + A_s f_yd (d - y_B)

e₁, e₂, T = φ_st

e₂ = B_s * e_cu / b - h_c + φ_st = (b - h_c) e₂ - e₁* φ_st

e₂ = A_c + φ_st

T = A

B = b - x

(B - b): h = x: Y_c

• e₁ : x= φ_st
• ε₂ (d - Y_c) = e_cu (b - x - e_c) = E_sv = e_cu (d - Y_c)

(k - k_s) e_cu

N_d = e_{cu ^e Yc}

Ast * φ_ts (Y_c - e₁)

φ_st (Y_c - e₁) - Ast * φ_st (e₁ - Y_c)