Pemeriksaan stabilitas terhadap guling, geser, eksentrisitas, tekanan dasar fondasi, dan daya dukung tanah berdasarkan tabel gaya dan momen.
| H | 8.500 m |
|---|---|
| h | 5.500 m |
| hs | 3.000 m |
| h3 | 1.100 m |
| b2 | 3.000 m |
| b2' | 9.800 m |
| m / n | 0.600 / 0.200 |
| rc | 1.000 |
| Kondisi | ΣV | ΣH |
|---|---|---|
| Kondisi Banjir Air | 1,572.693 | 445.655 |
| Kondisi Banjir Debris | 1,518.450 | 495.860 |
Sistem menghitung faktor keamanan guling, geser, eksentrisitas, tekanan dasar fondasi, dan daya dukung untuk kondisi banjir air dan banjir debris.
| Kondisi | ΣV kN |
ΣH kN |
ΣMp kNm |
ΣMg kNm |
FK Guling | FK Geser | Status |
|---|---|---|---|---|---|---|---|
| Kondisi Banjir Air | 1,572.693 | 445.655 | 7,842.656 | 1,392.498 |
5.632 min 2.000 OK |
2.117 min 1.200 OK |
Aman |
| Kondisi Banjir Debris | 1,518.450 | 495.860 | 7,508.864 | 2,236.065 |
3.358 min 2.000 OK |
1.837 min 1.200 OK |
Aman |
| Kondisi | e m |
Batas e m |
q max kPa |
q min kPa |
q izin kPa |
Status Daya Dukung |
|---|---|---|---|---|---|---|
| Kondisi Banjir Air | 0.799 | 1.633 | 238.949 | 82.009 | 647.200 | OK |
|
FK guling minimum = 2.000. FK geser minimum = 1.200. Batas eksentrisitas = b2'/6 = 1.633 m. |
||||||
| Kondisi Banjir Debris | 1.428 | 1.633 | 290.363 | 19.525 | 647.200 | OK |
|
FK guling minimum = 2.000. FK geser minimum = 1.200. Batas eksentrisitas = b2'/6 = 1.633 m. |
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ΣV = 1,572.693 kN ΣH = 445.655 kN ΣM penahan = 7,842.656 kNm ΣM pengguling = 1,392.498 kNm q izin = 647.200 kPa
FK guling = ΣM penahan / ΣM pengguling FK geser = (f × ΣV + c × b2') / ΣH e = b2'/2 - X, dengan X = (ΣM penahan - ΣM pengguling) / ΣV q max/min = ΣV / b2' × (1 ± 6e / b2')
FK guling = 7,842.656 / 1,392.498 FK geser = hasil perhitungan berdasarkan koefisien geser fondasi dan jumlah gaya horizontal. e = 0.799 m
FK guling = 5.632 → AMAN FK geser = 2.117 → AMAN e = 0.799 m; batas = 1.633 m q max = 238.949 kPa q min = 82.009 kPa Status daya dukung = AMAN
ΣV = 1,518.450 kN ΣH = 495.860 kN ΣM penahan = 7,508.864 kNm ΣM pengguling = 2,236.065 kNm q izin = 647.200 kPa
FK guling = ΣM penahan / ΣM pengguling FK geser = (f × ΣV + c × b2') / ΣH e = b2'/2 - X, dengan X = (ΣM penahan - ΣM pengguling) / ΣV q max/min = ΣV / b2' × (1 ± 6e / b2')
FK guling = 7,508.864 / 2,236.065 FK geser = hasil perhitungan berdasarkan koefisien geser fondasi dan jumlah gaya horizontal. e = 1.428 m
FK guling = 3.358 → AMAN FK geser = 1.837 → AMAN e = 1.428 m; batas = 1.633 m q max = 290.363 kPa q min = 19.525 kPa Status daya dukung = AMAN