Penahan tanah

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q = 0.5 t/m 4 tanah I 2 Tanah II 1 4 1.5 2 3 BERAT DINDING W1 = W2= W3= W4= W5= MOMEN AK W1 W2 W3 W4 W5 Σw jarak= ja TEKANAN TANAH ϒ pas ba x

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penahan tanah

Transcript of Penahan tanah

Sheet1Properties tanahq =0.5t/mIII(t/m3) =1.811.74tanah I() =00c(t/m2) =4.16.9

2Tanah II1

41.523BERAT DINDING pas batu kali(t/m3) =2.2W1 =0.5at.bk=11tonW2=at.bk=23.1tonW3=at.bk=16.5tonW4=at.2=28.96tonW5=at.1=6.8ton86.36ton

MOMEN AKIBAT BEBANW(T)Jarak (m)Momen (t.m)W1113.66740.333W223.15.250121.275W316.55.75094.875W428.968.500246.160W56.88.50057.800w86.36Mw560.443jarak= jarak horizontal titik berat w dari titik xTEKANAN TANAHKoefisien aktif dan pasifPa1=Ka.qh=3tonPa2=0.5Ka1h2=14.48tonPa3=Ka2h1 h2=13.6tonPa4=0.5Ka2h2=3.4tonKa =1Kp =1Pa5=0.5wh2=18tonPp1=0.5Ka2h2=3.4tonPp2=0.5wh2=2tonMOMEN AKIBAT TEKANANTANAH AKTIFPa (ton)jarak (m)Momen (t.m)Pa1339Pa214.483.3348.27Pa313.6113.6Pa43.40.672.27Pa518236pa52.48109.133jarak= jarak vertikal titik berat p dari titik xMOMEN AKIBAT TEKANANTANAH PASIFPa (ton)jarak (m)Momen (t.m)Pp13.40.672.27Pp220.671.33Pp5.43.600jarak= jarak vertikal titik berat p dari titik xTotal tekanan tanah= Pa - Pp=47.08tonTotal momen akibat takanan tanah (Mg total) =Mpa - Mpp =105.53ton.mCek terhadap stabilitas gulingF gl =560.443105.53=5.31>1.5OKCek terhadap stabilitas geser

Ph =6.9x10.5+86.36x0Ph =72.45tonFaktor aman terhadap penggeseran

F gs=72.4547.08F gs=1.54>1.5OKStabilitas terhadap keruntuhan kapasitas daya dukung tanahXe=560.443-109.13386.36Xe=5.2259147754mEksentrisitase =10.5-5.22591477542e =0.024mLebar efektifB' = B - 2eB' =10.45mLuas efektifA' = B' x 1A' = 10.45m2Gaya gaya yang ada pada dindingGaya horizontal =47.08tongaya vertikal =86.36tonfaktor kemiringan beban

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