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Advanced Engineering Geology With Rock Mechanics (Elective II) (April 2010)

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Total No. of Questions : 8] P1449 [Total No. of Pages : 2 [3764]-1007 B.E. (Civil) ADVANCED ENGINEERING GEOLOGY WITH ROCK MECHANICS (1997 Course) (Elective - II) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates : 1) 2) Answer any three questions from each section. Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. SECTION - I Q1) Discuss with suitable examples, suitability of compact basalts, amygdaloidal basalts and volcanic breccias from dam foundation point of view. [17] Q2) a) What difficulties may have to be faced while tunnelling through compact basalt? Explain with suitable examples. [10] b) Define rock mechanics. List only various physical properties of rock masses. [6] Q3) a) What is the engineering significance of Tachylytic Basalts? Discuss their origin. [10] b) Write a note on the parameters deciding Safe Bearing Capacity (S.B.C.) for bridge foundation. [7] Q4) a) Explain in detail the validity of Reservoir Induced Seismicity in Deccan trap area. [10] b) What is R.Q.D.? Can a rock give core recovery 100% and R.Q.D. less than 15%? How? [6] P.T.O. SECTION - II Q5) Write notes on the following : a) Engineering significance of Pre Cambrian metamorphic rocks. [9] b) Granular disintigration. [4] c) Region 2. [4] Q6) Write notes on the following : a) Significance of fractures from tunnelling point of view. Give suitable examples. [9] b) Deep drilled wells. [4] c) Compact basalt as a construction material. [4] Q7) Write notes on the following : a) Geological conditions resulting to tail channel erosion in Deccan Trap area. Only mention case histories. [8] b) Active fault. [4] c) Waterbearing character of older alluvium. [4] Q8) Write notes on the following : a) Influence of climate on soil formation. [4] b) Volcanic vents. [4] c) Problems with made grounds in cities. [4] d) Treatment to be given to a dyke crossing dam alignment. [4] rrrr [3764]-1007 -2-

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Additional Info : April 2010 Examination - Advanced Engineering Geology with Rock Mechanics (Elective II) (1997 Course)
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