03- jenis pondasi · - pondasi sumuran (well foundation) - pondasi kaison (caisson foundation)
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Jenis Pondasi
1. PONDASI DANGKAL (SHALLOW FOUNDATION)- pondasi telapak (spread footing)
a. isolated footing (bujur sangkar, lingkaran, empat persegi)
b. combined footingc. continous footing (pondasi menerus)
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c. continous footing (pondasi menerus)
- pondasi rakit (raft / mat foundation) 2. PONDASI DALAM (DEEP FOUNDATION)
- pondasi tiang (pile foundation)- pondasi sumuran (well foundation)- pondasi kaison (caisson foundation)
LowLow
Large DistributedLarge DistributedWeightWeight
Very Large ConcentratedVery Large ConcentratedWeightWeight
ApplicationsApplications
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LowLowWeightWeight
WeakWeakSoilSoil
Weak Rock orWeak Rock ordistributed overdistributed overcompetent Soilcompetent Soil
Strong RockStrong Rock
Combined Footings
A B
Rectangular, PA = PB
A B
Rectangular, PA < PB
Property line
Property line
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A B
Rectangular, PA < PB
Property line
A B
Strap or Cantilever
Property line
FOOT_04
Perhitungan Tegangan
� Bearing Pressure (tegangan yg terjadi)� Tegangan yang terjadi ( σ)σ)σ)σ)� Tegangan netto (σ(σ(σ(σ´))))
Bearing Capacity (daya dukung)
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� Bearing Capacity (daya dukung)� Daya dukung batas (q ult )� Daya dukung ijin (q a)
Exams
My mama always said, “Exam is like a box of chocolates; you never know what you
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of chocolates; you never know what you are gonna get”
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