Lecture 21 :
Types of pile load test [ Section 21.2 : Problem ]
Second Trial
Loads (ton)
(ton)
(ton)
= (P-( /2)).L/AE
Elastic Settlement (mm)
0
0
0
0.00
0.00
5
1.5
3.5
0.34
1.66
10
2
8
0.63
2.12
20
4.5
15.5
1.29
4.46
30
6.5
23.5
1.92
6.58
40
10.25
29.75
2.64
10.36
50
16
34
3.47
16.04
60
25.5
34.5
4.49
25.51
Load Vs Elastic Settlement of soil Curve For Second Trial
Second Curves gives new values of skin friction and point resistance which are more accurate than earlier values. From the values of the Skin friction, the elastic compression of the pile is recalculated.
(ton) 
(ton) 
= (P-( 
/2)).L/AE 
