Pollution. The concentration of particulate matter (in parts per million) t hours after a factory ceases operation for the day is given by C ( t ) = 20 ln ( t + 1 ) ( t + 1 ) 2 Find the average concentration for the period from t = 0 to t = 5.
Pollution. The concentration of particulate matter (in parts per million) t hours after a factory ceases operation for the day is given by C ( t ) = 20 ln ( t + 1 ) ( t + 1 ) 2 Find the average concentration for the period from t = 0 to t = 5.
Solution Summary: The formula to find the average for a function f(x) for the period from T=0tot=5 is
=
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%
2
Chapter 6 Solutions
Calculus for Business, Economics, Life Sciences, and Social Sciences (13th Edition)
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