–ÚŽŸ‚Ö@@y“Æ—§Šî‘b_Ccƒ^ƒCƒvz |
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Ý”õ‘Ïk_“Æ—§Šî‘b_Cc |
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œŠî‘b‚Ì•‚‚«ã‚ª‚è‚ÌŒŸ“¢ |
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(1-Kv)[(Lg+(Lf-L)/2)*W+Lf*Wf/2]
> Kh[(hf+hg)*W+hf*Wf/2] |
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(1-0.5)[(30+(130-60)/2)*1.9+130*15E+00/2]=67E+01>1[(50+90)*1.9+50*15/2]=64E+01 |
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FALSE |
œ”»’è
OK |
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1 |
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‚±‚±‚ÅA |
L=Ý”õ‹@Ší‚Ì•=60[cm] |
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60 |
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Lg=Ý”õ‹@Ší‚ÌdSˆÊ’u=30[cm] |
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30 |
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hg=Ý”õ‹@ŠídS‚‚³=90[cm] |
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90 |
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Lf=Šî‘b’·‚³=130[cm] |
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130 |
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hf=Šî‘b‚‚³=50[cm] |
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50 |
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Bf=Šî‘b•=50cm] |
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50 |
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Kh=ÝŒv—p…•½k“x=1 |
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1 |
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Kv=ÝŒv—p‰”’¼k“x=0.5 |
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W=Ý”õ‹@Šíd—Ê=1.9[kN] |
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1.9 |
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Wf0=Šî‘bd—Ê=Wf+Wr |
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=15+3.59=18.59[kN] |
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Wf=Šî‘bd—Ê |
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=50*130*50*0.000023=15[kN] |
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Wr=ƒ‰ƒtƒRƒ“ƒNƒŠ[ƒgd—Ê=hr*(Br^2-Bf^2)*Z*ƒÁ |
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=20*(80^2-50^2)*2*0.000023=3.59[kN] |
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hr=ƒ‰ƒtƒRƒ“ƒNƒŠ[ƒg‚‚³=20[cm] |
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20 |
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Lr=ƒ‰ƒtƒRƒ“ƒNƒŠ[ƒg’·‚³=[cm] |
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Br=ƒ‰ƒtƒRƒ“ƒNƒŠ[ƒg•=80[cm] |
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La=ƒ_ƒ{‹Ø–„ž‚Ý’·=15[cm] |
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15 |
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ƒÁ=ƒRƒ“ƒNƒŠ[ƒg”äd—Ê=23E-06[kN/cm3] |
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23 |
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z=Šî‘bŒÂ”=2 |
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2 |
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