A → 1,00   B → 0,80   C → 0,60   D → 0,40

Pers. (1): \(n_{CG1}=0{,}32\left(\dfrac{L_{WL}}{10 B_C}+0{,}084\right)(50-\beta)\dfrac{V^{2} B_C^{2}}{m_{LDC}}\)

Pers. (2): \(n_{CG2}=\dfrac{0{,}5\,V}{m_{LDC}^{0{,}17}}\)

Jika \(n_{CG1}>3\) → pakai \(n_{CG2}\). Untuk \(k_L\): clamp \(3\le n_{CG}\le 6\).

\(x/L_{WL}\le 0{,}6\): \(k_L=(1-0{,}167 n_{CG})\dfrac{x}{0{,}6 L_{WL}}+0{,}167 n_{CG}\)
\(x/L_{WL}>0{,}6\): \(k_L=1\). Batas \(k_L\le 1\).

\(k_{AR}=\dfrac{k_R\cdot 0{,}1\cdot m_{LDC}^{0{,}15}}{A_D^{0{,}3}}\), \(0{,}25\le k_{AR}\le 1\)
Planing: \(k_R=1\). Displacement panel: \(k_R=1{,}5-3\cdot 10^{-4} b\) (mm).

\(P_{BMD\,BASE}=2{,}4 m_{LDC}^{0{,}33}+20\)
\(P_{BM\,MIN}=0{,}45 m_{LDC}^{0{,}33}+0{,}9 L_{WL} k_{DC}\)
\(P_{BMP\,BASE}=\dfrac{0{,}1 m_{LDC}}{L_{WL} B_C}(1+k_{DC}^{0{,}5} n_{CG})\)
\(P_{BMD}=P_{BMD\,BASE}\cdot k_{AR}\cdot k_{DC}\cdot k_L\)
\(P_{BMP}=P_{BMP\,BASE}\cdot k_{AR}\cdot k_L\) (tanpa \(k_{DC}\))
\(P=\max(P_{BMD},P_{BMP},P_{BM\,MIN})\)

Side: \(P_{SID\,BASE}=P_{BMD\,BASE}\cdot\dfrac{0{,}25 L_{WL}+0{,}08}{2{,}5 L_{WL}^{0{,}33}}\), \(P_{SID\,MIN}=0{,}9 L_{WL} k_{DC}\)
Deck: \(P_{DK\,BASE}=0{,}30 L_{WL}+0{,}9\), \(P_{DK\,MIN}=5 k_{DC}\)

\(L/b=2\): \(k_2=0{,}497\), \(k_3=0{,}028\), \(k_{SHC}=0{,}463\), \(k_c=1\) jika \(c=0\)
\(\sigma_d=0{,}5\sigma_{uf}\)
\(t=b\,k_c\sqrt{\dfrac{P\,k_2}{1000\,\sigma_d}}\) (P kPa, b mm)

\(t_s=t_c+\tfrac12(t_o+t_i)\)
\(w_{os}=k_{DC} k_4 k_5 k_6(0{,}1 L_{WL}+0{,}15)\) kg/m²; \(w_{is}=0{,}7 w_{os}\)
\(k_4\): bottom 1,0 / side 0,9 / deck 0,7
\(F_d=k_{SHC} P b\); \(F_{act}=\tau_d t_s\); \(\tau_d=0{,}55\tau_u\) (PVC elong < 35%)
\(M_d=\dfrac{k_2 k_c^{2} P b^{2}}{6}\)
\(EI_{req}=\dfrac{b^{3} k_c^{3} P k_3}{12\cdot 10^{3} k_1}\)

\(Z_{req}=\dfrac{P\cdot s\cdot L_u^{2}}{12\cdot \sigma_d\cdot 1000}\) (cm³, P kPa, s & Lu mm)
Aktual: \(SM=I/y_{max}\), \(M_{all}=\sigma_d\cdot SM\), \(F_{act}=\tau_d A_{web}\)

kDC → nCG → kL(x) → kR, AD, kAR → P_BASE → P desain
  → single skin: t & w_min
  → sandwich: wos/wis, Fd, Md, EI
  → stiffener: Z / Md / Fd

P di \(k_{AR}\) & base: kPa. P di t/M/F: N/mm² = kPa×0,001. b,t: mm. LWL,x: m. mLDC: kg. w: gsm = kg/m²×1000.