길이 8 m \rm 8m 8m 100 k N / m \rm 100kN/m 100kN/m V s V_s V s w D = 6.72 k N / m , f c k = 24 M P a , f y = 300 M P a , λ = 1 , b w = 400 m m , d = 600 m m , h = 700 m m w_D=6.72 \mathrm{kN}/\mathrm{m},\ f_{ck}=24 \mathrm{MPa},\ f_y=300 \mathrm{MPa},\ \lambda=1, b_w=400 \mathrm{mm},\ d=600 \mathrm{mm}, h=700 \mathrm{mm} w D = 6.72 kN / m , f c k = 24 MPa , f y = 300 MPa , λ = 1 , b w = 400 mm , d = 600 mm , h = 700 mm
1 565.91 k N \rm 565.91kN 565.91kN
2 530.53 k N \rm 530.53kN 530.53kN
3 571.40 k N \rm 571.40kN 571.40kN
4 424.43 k N \rm 424.43kN 424.43kN
해설
계수하중 w u = 1.2 ( 6.72 ) + 1.6 ( 100 ) = 168.06 w_u=1.2(6.72)+1.6(100)=168.06 w u = 1.2 ( 6.72 ) + 1.6 ( 100 ) = 168.06 R = 168.06 × 8 2 = 672.26 R=\dfrac{168.06\times8}{2}=672.26 R = 2 168.06 × 8 = 672.26 V u = 672.26 − 168.06 × 0.6 = 571.42 V_u=672.26-168.06\times0.6=571.42 V u = 672.26 − 168.06 × 0.6 = 571.42 V n = V u ϕ = 571.42 0.75 = 761.9 V_n=\dfrac{V_u}{\phi}=\dfrac{571.42}{0.75}=761.9 V n = ϕ V u = 0.75 571.42 = 761.9 V c = 1 6 λ f c k b w d = 1 6 ( 1 ) 24 ( 400 ) ( 600 ) = 196.0 V_c=\dfrac16\lambda\sqrt{f_{ck}}\,b_w d=\dfrac16(1)\sqrt{24}(400)(600)=196.0 V c = 6 1 λ f c k b w d = 6 1 ( 1 ) 24 ( 400 ) ( 600 ) = 196.0 V s = V n − V c = 761.9 − 196.0 ≈ 565.9 V_s=V_n-V_c=761.9-196.0\approx565.9 V s = V n − V c = 761.9 − 196.0 ≈ 565.9
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