Q6) Find the ultimate compressive (Qu) and pullout (Tu) capacities of the driven closed-end steel pipe-pile shown in Fig. (6). Given data: outer diameter = 610 mm weight of empty pipe = 186.8 kg/m a = 1 for cu ≤ 25 kPa Ø 34 35 36 Disp. Piles 41.3 49.9 60.9 wall thickness = 12.7 mm pile to be filled with concrete. a=0.5 for cu ≥ 75 kPa Na Non-disp. Piles 20.3 24.6 30.1 Ans.: Qu= 4165 kN, Tu = 1696 kN

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Piled Foundations - Single Pile Analysis
Cu = 12 kN/m²
Ysat = 16 kN/m³
Cu = 50 kN/m²
Ysat =
18 kN/m³
Cu = 100 kN/m²
Ysat = 20 kN/m³
C=0
Ф= 35º
Ysat 20 kN/m³
Fig. (6)
W.T.
6m
4.5 m
4.5 m
6m
Transcribed Image Text:Cu = 12 kN/m² Ysat = 16 kN/m³ Cu = 50 kN/m² Ysat = 18 kN/m³ Cu = 100 kN/m² Ysat = 20 kN/m³ C=0 Ф= 35º Ysat 20 kN/m³ Fig. (6) W.T. 6m 4.5 m 4.5 m 6m
Q6) Find the ultimate compressive (Qu) and pullout (Tu) capacities of the driven closed-end
steel pipe-pile shown in Fig. (6). Given data:
outer diameter = 610 mm
weight of empty pipe = 186.8 kg/m
a = 1 for cu ≤ 25 kPa
34
35
36
Disp. Piles
41.3
49.9
60.9
3
wall thickness = 12.7 mm
pile to be filled with concrete.
a=0.5 for cu ≥75 kPa
N₁
Non-disp. Piles
20.3
24.6
30.1
Ans.: Qu= 4165 kN, Tu = 1696 KN
Transcribed Image Text:Q6) Find the ultimate compressive (Qu) and pullout (Tu) capacities of the driven closed-end steel pipe-pile shown in Fig. (6). Given data: outer diameter = 610 mm weight of empty pipe = 186.8 kg/m a = 1 for cu ≤ 25 kPa 34 35 36 Disp. Piles 41.3 49.9 60.9 3 wall thickness = 12.7 mm pile to be filled with concrete. a=0.5 for cu ≥75 kPa N₁ Non-disp. Piles 20.3 24.6 30.1 Ans.: Qu= 4165 kN, Tu = 1696 KN
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