kholiq
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TUGAS2TEKNIK PONDASI 1KELASA
AGUS SETIAWANNIM121910301052
Semester52014
Problem 5.10 :Given:q0= 144 kN/m2B= 1,52 mL= 3,05 m= 0,5= 1,22 m
q0H= 12,2 mDetermine : Se ?Solution :
Df = 1, 22 m
1,52 m x 3,05 m
H = 12,2 m
A rigid rock layer
Se = A1 A2
Value of A1 : = = 8 = = 2 So, from curve, the value of = 0,88Value of A2 : = = 0,8 So, from curve, the value of = 0,93
So,= A1 A2= 0,88 . 0,93 . = 13,85 m
Problem 5.20 :Given :
Determine : The consolidation settlement?Solution : = = 268,745 0= 1,52 m . 15,7 + 1,22 m . (19,24 9,81) + 1,525 m . (19,24 9,81) = 49,75
= z (m) = = .
11,221,330,551= 148,08
12,74530,179= 48,11
14,274,670,084= 22,57
Now,= = ( 148,08 + 4 . 48,11 + 22,57 )= 60,515 So,= = = 0,102 log 2,216= 0,035 m= 35 mm
Problem 5.21 :Given :B= 1,83 mL= 1,83 m= 268,745 z = 1,22 + 3,05 = 4,27 m
Determine : the consolidation settlement?Solution := = = 24,187
With OCR (Over Consolidation Ratio) step :OCR= = = 1,486Base on table 5.14, we get the value of (with interpolation)So, = 0,972 . 35 = 34,02 mm