| 1. |
_____________ analyses involve the ability of the rock foundation or slope to resist the imposed loads without shearing or sliding. |
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Sliding stability |
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Bearing capacity |
| 2. |
An areal map should consist of sufficient area to include the project site(s) as well as the surrounding area that could influence or could be influenced by the project. |
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True |
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False |
| 3. |
Detailed description of the geologic features of existing rock foundation materials and overburden materials is essential in ______________ and subsequent explorations. |
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Site mapping |
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Construction mapping |
| 4. |
Borings, in most cases, provide the only viable exploratory tool that directly reveals geologic evidence of the subsurface site conditions. |
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True |
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False |
| 5. |
The number of borings and the depths to which boreholes should be advanced are dependent upon |
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Subsurface geological conditions |
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Project site areas |
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Types of projects and structural features |
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All of the above |
| 6. |
Large-Diameter boring is the process in which diamond or other types of core drill bits are used to drill exploratory holes and retrieve rock core. |
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True |
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False |
| 7. |
The primary objective of this initial field reconnaissance is to, insofar as possible, confirm, correct or expand geologic and hydrologic information collected from preliminary office studies. |
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Ture |
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False |
| 8. |
_______________ are often the best means for determining the engineering properties of subsurface materials and, in some cases, may be the only way to obtain meaningful results. |
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In-situ tests |
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Field tests |
| 9. |
_______________ is an indicator of intact rock strength and deformability. |
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Hardness |
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Texture |
| 10. |
The analyses of planar slip surfaces assume that stability can be adequately evaluated from two-dimensional considerations. |
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True |
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False |
| 11. |
The _________________ is obtained from the slope of a line constructed tangent to the initial segment of the unloading stress-strain curve. |
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Elastic modulus |
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Recovery modulus |
| 12. |
The modulus of deformation is determined from the slope of the secant line established between zero and some specified stress level. |
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True |
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False |
| 13. |
Pressure meter test is a modification of the pressure chamber test where pressure is applied through a series of jacks placed close to each other. |
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True |
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False |
| 14. |
______________ refers to a process in which a rock mass continues to strain with time upon application of stress. Creep can be attributed to two different mechanisms. |
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Creep |
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Buckling |
| 15. |
The expulsion of pore fluids from voids due to an increase in stress is called Consolidation. |
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True |
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False |
| 16. |
___________________ (i.e. rock bolts, rock anchor, rock tendon, etc.) is primarily used to enhance the stability of structures founded on rock. |
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Rock reinforcement |
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Consolidation grouting |
| 17. |
The __________________ is defined as the average load per unit area required to produce failure by rupture of a supporting soil or a rock mass. |
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Ultimate bearing capacity |
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Shear |
| 18. |
The finite element method is particularly suited to analyze foundations with unusual shapes and/or unusual loading conditions as well as in situations where the foundation rock is highly variable. |
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True |
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False |
| 19. |
What does RQD stand for? |
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Rock Quality Designation |
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Rock Quantity Design |
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Real Quantity Designation |
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None of the above |
| 20. |
A __________________ is accessed to be stable or potentially unstable depending upon the value of the calculated factor of safety. |
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Rock slope |
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Multiple Blocks |
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