ABCDEFGHIJKLMNOPQRSTUVWXYZ
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l=sqrt(tg(45-j/2))
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j=12
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l=0,656g=2,000t/m3
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Pz=g*z*l
Ea=1/2*(g*(z)2*l
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Aùp löïc ñaát taùc duïng leân töôøng chaén
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Tieát dieän
Ñoä saâuPzEaMa
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1,0002,0002,6232,623
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2,0004,0005,24610,493
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3,0006,0007,87023,609
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Kieåm tra laät
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Moâ men gaây laät döôùi taùc duïng aùp löïc chuû ñoäng cuûa ñaát
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L=3,200md=2,000Ml=47,2176
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Moâ men choáng laät do troïng löôïng cuûa khoái töôøng xaây
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B=1,000a=0,600b=6,000Gc=8,640d=2,900Mc=25,056Kl=1,217850971
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a=2,600b=6,000Gc=18,720d=1,733Mc=32,448
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Do Mc/Ml<1,2 neân töôøng xaây bò laät
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Kieåm tra tröôït
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Troïng löôïng baûn thaân töôøng
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G=(Gc1+Gc2)=
27,360
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Heä soá Kt=f*G/Ea0,348
>1,2 khoâng thoûa ñieàu kieän tröôït
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Vôùi f=0,300
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