GTU Civil Engineering (Semester 4)
Engineering Geology
May 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Write objectives of engineering geology. Explain the application of engineering geology in the field of civil engineering.
7 M
1 (b) Define earthquake. Describe P-waves, S-waves and Intensity of an earthquake.
7 M

Write a short note on
2 (a) 1) Frost action and thermal action - weathering on rock.
4 M
2 (a) 2) Oxidation and reduction type of weathering on rock
3 M
2 (b) Enlist geological natural agencies and geological work. Describe erosion work of river water with the features developed in rock mass.
7 M
2 (c) Explain transportation work of wind. Add your note with engineering problem of desert advancement and remedial measures to control it.
7 M

Write a short note on
3 (a) 1) Colour and lustre property of mineral.
4 M
3 (a) 2) Mechanical structure in sedimentary rocks.
3 M
3 (b) Define lava and magma. Describe the way of formation of igneous rocks. Write subgroups of igneous rocks based on its occurrence.
7 M
Write a short note on
3 (c) 1) Hardness property and Moh's scale of hardness
4 M
3 (c) 2) Metamorphic changes in rocks
3 M
3 (d) Explain elastic rebound theory of an earthquake. Add your note with various plate boundaries and their characteristics.
7 M

4 (a) Explain water bearing qualities of rock formation. Add note on confined and unconfined aquifers of rocks. Quote suitable rock examples.
7 M
4 (b) Explain fold and its causative factors. Write engineering importance of fold.
7 M
4 (c) Differentiate normal and reverse fault. Write engineering importance of fault.
7 M
4 (d) Define mass movement. Write note on internal causative factors of mass movement and remedial measures to control it.
7 M

5 (a) What is Remote sensing and GIS techniques? Explain significance of remote sensing in geology and watershed projects.
7 M
5 (b) Describe geological investigation required for the site selection of the tunnel alignment. How water level in region influences the alignments of the tunnel?
7 M
5 (c) Discuss suitability of geological conditions for dam construction. Write note on various forces act on dams influenced by geological factors.
7 M
5 (d) Define geological maps and topographical maps. Which are the components seen in geological maps? Write its engineering importance.
7 M



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