Q1\ Choose the correct item (a, b, c) for each of the following statements: Statements a b Vt/(Vs+Vv) Vv/(Vs+Vv)| Vv/(Vs+Vt) (W sat.-W dry) *| (Wdry-W sat) 100 /W dry 1 Porosity (n) = 2 Absorption (Abs) = (W sat.-W dry) * 100 /W sat %3D * 100 /W dry If RQD of a rock core run is 85% its quality described: 3 Fair Рoor Good 4 In Point Load Test UCS = 24 * Is (50) 12 * Is (50) 36 * Is (50)

Structural Analysis
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Chapter2: Loads On Structures
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Q1\ Choose the correct item (a, b, c) for each of the following statements:
Statements
a
b
с
1
Porosity (n) =
Vt/(Vs+Vv)
Vv/(Vs+Vv) Vv/(Vs+Vt)
2 Absorption (Abs) =
(W sat.-W dry) * (Wdry-W sat) (W sat.-W dry)
* 100 /Wsa
100 /W dry
* 100 /Wdry
sat
3
If RQD of a rock core run is 85% its
quality described :
In Point Load Test UCS =
Fair
Рoor
Good
4
24 * Is (50)
12 * Is (50)
36 * Is (50)
5
If the Modulus ratio of an intact rock
H
L
M
is 300, its class designed
If the aperture of a discontinuity is
70mm, it is termed
6.
Moderately
Moderately
wide
Narrow
narrow
The formula for computing shear
strength of smooth surface is:
7
Tr = c + On *
tan(or)
Tb = On *
Tp
= On
tan(@b)
tan(@p)
8.
The formula for computing shear
strength of rough surface is:
Tb = On *
Tp =
On
Tr = C + 0n *
*
tan(@b)
tan(@p)
tan(or)
The formula for computing shear
strength of rippled and then
smoothed surface is:
9.
Tr = C + On *
tan(or)
Tb = On *
Tp
On
*
tan(ob)
tan(@p)
10 If the interval between joints 40 cm,
their spacing described:
Moderately
wide spaced
Closely
spaced
Widely
spaced
Transcribed Image Text:Q1\ Choose the correct item (a, b, c) for each of the following statements: Statements a b с 1 Porosity (n) = Vt/(Vs+Vv) Vv/(Vs+Vv) Vv/(Vs+Vt) 2 Absorption (Abs) = (W sat.-W dry) * (Wdry-W sat) (W sat.-W dry) * 100 /Wsa 100 /W dry * 100 /Wdry sat 3 If RQD of a rock core run is 85% its quality described : In Point Load Test UCS = Fair Рoor Good 4 24 * Is (50) 12 * Is (50) 36 * Is (50) 5 If the Modulus ratio of an intact rock H L M is 300, its class designed If the aperture of a discontinuity is 70mm, it is termed 6. Moderately Moderately wide Narrow narrow The formula for computing shear strength of smooth surface is: 7 Tr = c + On * tan(or) Tb = On * Tp = On tan(@b) tan(@p) 8. The formula for computing shear strength of rough surface is: Tb = On * Tp = On Tr = C + 0n * * tan(@b) tan(@p) tan(or) The formula for computing shear strength of rippled and then smoothed surface is: 9. Tr = C + On * tan(or) Tb = On * Tp On * tan(ob) tan(@p) 10 If the interval between joints 40 cm, their spacing described: Moderately wide spaced Closely spaced Widely spaced
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