Module 3 :
Method of Analyses
Lecture 14 : Methods of Characteristics [ Section 14.2 :
Rankine earth pressure
]
Determination of earth pressure coefficients
(for active case,
)
=
---------(5)
---------(6)
from eqn(5) and (6), coefficient of active earth pressure
similarly, in the passive case ,
----------(7)
----------(8)
from eqn(7) and (8), coefficient of passive earth pressure
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
(for active case, 
) 
