QI Choose the correct item (a, b, e) for each of the following statements: Statements b. T Porosity (n) = 2 Absorption (Abs) = Vv/(Vs+Vv) Vv/(Vs-Ve) (W sat -Wary) * 100 /Wary + 100 /Wut V:/(Vs+Vv) (W sat -Wary) (W dry Wat) 100 /Wary 3 If RQD of a rock core run is 85% its quality described: In Point Load Test UCS = Fair Poor Good 24 * Is (50) 12* Is (50) 36 Is (50) 4

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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QI\ Choose the correct item (a, b, c) for each of the following statements:
Statements
1 Porosity (n) =
2 Absorption (Abs) =
V:/(Vs+Vv) Vv/(Vs+Vv) Vv/(Vs-Ve)
(W sat -Wary) (W ary-W sat) (W sat-W ary)
100 /Wary
* 100 /Wary * 100 /Waut
3 If RQD of a rock core run is 85% its
quality described :
In Point Load Test UCS =
Fair
Роor
Good
4
24 * Is (50)
12 * Is (50)
36 Is (50)
5 If the Modulus ratio of an intact rock
is 300, its class designed
If the aperture of a discontinuity is
70mm, it is termed
7 The formula for computing shear
strength of smooth surface is:
8 The formula for computing shear
strength of rough surface is:
9 The formula for computing shear
strength of rippled and then
smoothed surface is:
Moderately
Moderately
wide
6.
Narrow
narrow
Th= ơn *
tan(@)
* Tr =C+ on
tan(@,)
Tp
tan(p)
*Tr = C+ 0n
Tb= On
tan(p)
Tp = On
tan(@p)
tan(or)
Th = ơn
tan(ob)
Tp = ơn
tan(op)
Tr =C+ On +
tan(or)
10 If the interval between joints 40 cm,
their spacing described:
Moderately
wide spaced
Closely
spaced
Widely
spaced
Transcribed Image Text:QI\ Choose the correct item (a, b, c) for each of the following statements: Statements 1 Porosity (n) = 2 Absorption (Abs) = V:/(Vs+Vv) Vv/(Vs+Vv) Vv/(Vs-Ve) (W sat -Wary) (W ary-W sat) (W sat-W ary) 100 /Wary * 100 /Wary * 100 /Waut 3 If RQD of a rock core run is 85% its quality described : In Point Load Test UCS = Fair Роor Good 4 24 * Is (50) 12 * Is (50) 36 Is (50) 5 If the Modulus ratio of an intact rock is 300, its class designed If the aperture of a discontinuity is 70mm, it is termed 7 The formula for computing shear strength of smooth surface is: 8 The formula for computing shear strength of rough surface is: 9 The formula for computing shear strength of rippled and then smoothed surface is: Moderately Moderately wide 6. Narrow narrow Th= ơn * tan(@) * Tr =C+ on tan(@,) Tp tan(p) *Tr = C+ 0n Tb= On tan(p) Tp = On tan(@p) tan(or) Th = ơn tan(ob) Tp = ơn tan(op) Tr =C+ On + tan(or) 10 If the interval between joints 40 cm, their spacing described: Moderately wide spaced Closely spaced Widely spaced
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