[T] In the following exercises, use a calculator to draw the graph of each piecewise-defined function and study the graph to evaluate the given limits. 117. h ( x ) = { x 2 − 2 x + 1 , x < 2 3 − x , x ≥ 2 } a . lim x → 2 − h ( x ) b . lim x → 2 + h ( x )
[T] In the following exercises, use a calculator to draw the graph of each piecewise-defined function and study the graph to evaluate the given limits. 117. h ( x ) = { x 2 − 2 x + 1 , x < 2 3 − x , x ≥ 2 } a . lim x → 2 − h ( x ) b . lim x → 2 + h ( x )
[T] In the following exercises, use a calculator to draw the graph of each piecewise-defined function and study the graph to evaluate the given limits.
117.
h
(
x
)
=
{
x
2
−
2
x
+
1
,
x
<
2
3
−
x
,
x
≥
2
}
a
.
lim
x
→
2
−
h
(
x
)
b
.
lim
x
→
2
+
h
(
x
)
=
Q6 What will be the allowable bearing capacity of sand having p = 37° and ydry
19 kN/m³ for (i) 1.5 m strip foundation (ii) 1.5 m x 1.5 m square footing and
(iii)1.5m x 2m rectangular footing. The footings are placed at a depth of 1.5 m
below ground level. Assume F, = 2.5. Use Terzaghi's equations.
0
Ne
Na
Ny
35 57.8 41.4 42.4
40 95.7 81.3 100.4
Q1 The SPT records versus depth are given in table below. Find qan for the raft 12%
foundation with BxB-10x10m and depth of raft D-2m, the allowable
settlement is 50mm.
Elevation, m 0.5 2
2 6.5 9.5 13 18 25
No.of blows, N 11 15 29 32 30 44
0
estigate shear
12%
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