6.) Sprawdzenie warunku według I stanu granicznego

w stropie warstwy słabej.

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Nr=1435,44 [kN]

B'=2,50 [m]

h=2,00 [m]

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=2,31 [t/m3]

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B'=2,50 [m]

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=1,89 [t/m3]

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=1,97 [t/m3]

Cu=15,5 [kPa], Cr=0,9⋅ Cu=0,9⋅15,5=13,95 [kPa]

φn=14,0 o, φr=0,9⋅ φn =0,9⋅14,0=12,6 o

- wartości odczytane z normy

PN-81/B03020

dla Pg (grunt grupy C) IL=0,24

ND=3,14

NC=9,60

NB=0,36

D'min=3,50 [m]

g=9,81 [m/s2]

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Warunek I stanu granicznego:

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Warunek I stanu granicznego w stropie warstwy słabej został zachowany.

h=2,00

B=2,00

b/2

b/2

B'

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'

Πp

IL=0,09

Gπ

IL=0,16

Pg

IL=0,24

0,00

1,50

3,50

4,50

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Dmin=3,50

Nr'

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