a =90°; d=j*2/3;b =10°; j =28°

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# a =90°; d=j*2/3;b =10°; j =28° - PowerPoint PPT Presentation

a =90°; d=j*2/3;b =10°; j =28°. pore. n. z 1. 1-n. čvrste čestice. z 2. j =28 G s =2,6 n=32\% z 1 =2m z 2 =8m d K =0,2m. d k. K A =0,37. e A1. e A2. z 1. l s. T. h=2m H=8m l=7,5m a=15° j =28° l s =6m b =10°. l. z 1 =h+l*(tg a +tg b ) =2+7,5*(0,27+0,18)

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Presentation Transcript
pore

n

z1

1-n

čvrste čestice

z2

j=28

Gs=2,6

n=32%

z1=2m

z2=8m

dK=0,2m

dk

KA=0,37

eA1

eA2

z1

ls

T

h=2m

H=8m

l=7,5m

a=15° j=28°

ls=6m b=10°

l

z1=h+l*(tga+tgb)

=2+7,5*(0,27+0,18)

=2+3,38=5,38m

Tm=a*t*ls*2rp

r=0,15m

a=0,85

t=sn*tgj=108*0,53=57 kPa

sn=r*g*z1

=2,04*9,81*5,38

=108 kPa

Tm=0,85*57*6*0,3*p

Tm=274kN/m’ (bez fakt. sig.)

eA=59,23 kPa, prethodno izračunato

EA=eA*H/2=59,23*8/2=237 kN/m’

pasivni klin

aktivni klin

eP=r*g*z*KP

ePg=55,43kPa

z

EP

Z=2m

eP=166,29kPa

Kp=tg2(45+j/2)=tg259°=2,77

z=3m

eP=2,04*9,81*3*2,77=166,29 kPa

ePg=eP/3*1=55,43 kPa

EP=0,5*(55,43+166,29)*2=221,72 kN/m’;

Fs=3;

EPmog=71,7 kN/m’

sidro na svakih (x) metara, sidreni zid dužine (y) metara