2- What are the benefits of using Geophysical investigation tools? How the faults and type of formation can be observed underground using these tools?
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- 1. What is the difference between the in-situ and ex-situ investigations? 2. What is the importance of geology in structural engineering?7. A petroleum geologist is interested in a long brand new 2 km roadside outcrop. He is working on the limestone formation of this road cut, because this formation is a gas reservoir. Thus, he likes to understand the vertical joint system in terms of their spacing, number and other aspects. His survey along the entire road cut shows that the spacing is very similar all the way. He chooses to count the vertical joints along an only 50 m outcrop segment. He counts 171 joints. Since the joint spacing is very similar along the entire outcrop, he extrapolates the number of joints for the whole outcrop. How many joints does he calculate? Also, what is the density of joints per 15 m of outcrop line?6.3 Define the term unconformity. What conditions favor for its formation?
- 1. What do you understand by rock mass properties? What are the purposes of rock mass classification? Name the different groups of tunnel rocks under the rock mass classification of Terzaghi.:.- In one of the seismic surveys, the following section was obtained, answer the following questions: 3 1- What do the three numbered shapes represent? 2- What the vertical and horizontal axis of the section are represent? 3-In yours opinion, how many layers were obtained from the figure above? and which the layers have the highest velocity? 4-How the seismic velocity of layers are identified for shapes no.-1 and -3? Can you detecting the depth of the last layer for the shape no. 3and why? 5- What is the method used in the field to know if the layers are horizontal or oblique?Explain Drilling Techniques in Caving or Squeezing Soils
- What is the procedure for Rock Core Drilling?Subject : Geotechnical Engineering Give me right solution according to the question. A 6m vertical cut has been excavated from a dry cohesive loess soil deposit. For the plane shown passing through the vertical cut face, estimate whether or not a shear failure is likely.c) Indicate the two boreholes (between BH1 and BH5) where a Standard Penetration Test (SPT) needs to be carried out. What type and nature of samples can be obtained from this test?