CONFIDENTIALUNIVERSITI TUN HUSSEIN ONN MALAYSIA FINAL EXAMINATION SEMESTER II SESSION 2016/2017 COURSE NAME : ENGINEERING GEOLOGY COURSE CODE : BFC 21303 PROGRAMME : BFF EXAMINATION DATE : JUNE 2017 DURATION : 3 HOURS INSTRUCTION : ANSWER ALL QUESTIONS THIS QUESTION PAPER CONSISTS OF NINE (9) PAGES CONFIDENTIAL CONFIDEN (i) Explain the igneous rocks based on two broad categories based on where the molten rock solidified. Illustrate. (2 marks) (ii) Plutons are differentiated based on size. labelled and explain FOUR (4) types of plutons. shape and relationship to the intruded rocks. (4 marks) 2 CONFIDENTIAL .CONFIDENTIAL BFC 21303 Q1 (a) Explain FOUR (4) internal layers of the earth based on composition. (4 marks) (b) Describe the terms below: (i) Engineering geology (ii) Rock Mechanics (4 marks) (c) Describe the physical properties of mineral as given below: (i) Colour (ii) Streak (iii) Luster (iv) Hardness (v) Reaction with acid (7 marks) (d) Igneous rock has been known as a parent material of all types of rock. (4 marks) (iii) Differentiate between gabbro and granite in term of the chemical composition and magma viscosity. (iv) State TWO (2) examples which are categorized as foliated metamorphic rock. (5 marks) 3 CONFIDENTIAL . (5 marks) (b) Explain the process of compaction and cementation in sedimentary rock. (i) Define the term of foliation in metamorphic rock. (4 marks) (c) Illustrate and describe the characteristics of sedimentary rocks as given below: (i) bedding types (ii) fossils (iii) ripple marks (6 marks) (d) Metamorphic rock is the third major groups of rock.CONFIDENTIAL BFC 21303 Q2 (a) Illustrate and discuss the whole process of forming sedimentary rock which is known as diagenesis. (iii) Define the term of non-foliated in metamorphic rock. (v) State TWO (2) examples which are categorized as non-foliated metamorphic rock. (5 marks) (e) Discuss the characteristics of the metamorphic rock mass that influences the civil engineering project. (ii) Define the term of lineation in metamorphic rock. (3 marks) (ii) List FOUR (4) types of geological structures due to the rock deformation.CONFIDENTIAL BFC 21303 Q3 (a) Explain the classification of physical and chemical weathering processes. applications. Calculate the Rock Quality Designation (RQD). (i) Describe THREE (3) stresses in the rock mass deformation. (2 marks) (c) Discuss the geophysical method with particular reference to resistivity method related to its concepts. Total Core Recovery (TCR) and Solid Core Recovery (SCR) for the rock sample in Figure Q3(d). advantages and disadvantages. the crust of the earth has been mobile due to geological process. (6 marks) (e) Describe the rock parameters obtained from the following tests: (i) Point load test (ii) Schmidt’ hammer test (iii) Seismic velocity test (PUNDIT test) (iv) Slake durability test (v) Brazilian test (vi) Triaxial compression Test (6 marks) 4 CONFIDENTIAL .5 m for each sequence of the rock drilling work. (4 marks) (b) Over the past million years of earth history. (4 marks) (d) The standard length of the rock core was 1. (6 marks) (b) Analyse the all possibilities of slope failure modes with its criterion. (7 marks) -END OF QUESTIONS- CONFIDENTIAL . interpret a suitable new rock slope dip direction in order to avoid any potential of rock slope failure mode using the equatorial equal-area stereo-net in Figure Q4(b). The geologist has mapped the cutting area and produced three joint sets and presented in great circles as shown in Figure Q4(a). CONFIDENTIAL Q4 A road cutting 100 m deep is driven through a sequence of granitic rock. (8 marks) (d) Via maintaining the slope angle. Table Q4(a) shows the data of slope geometry and rock parameters. (a) Determine the dip direction and dip angle of joint set 1. (4 marks) (c) Calculate the factor of safety for wedge failure mode using the formula in Figure Q4(c) when the tension crack is completely filled with water. 2 and 3 as shown in Figure Q4(a). The rock slope face cutting in the direction of 1200 and dip angle 640. CONFIDENTIAL FINAL EXAMINATION SEMESTER / SESSION : II/ 2016/2017 PROGRAMME : 2 BFF COURSE : ENGINEERING GEOLOGY COURSE CODE : BFC 21303 Figure Q3(d): Rock core obtained from boring exploration Table Q4(a): Parameter of granitic rock slope Upper slope dip direction = 120º Upper slope dip angle = 0° Height of slope / wedge = 100 m Unit weight of the rock = 25 kN/m3 Unit weight of water = 9.81 kN/m3 The cohesion of all discontinuities = 100 kPa Friction angle for all discontinuities = 30° CONFIDENTIAL . CONFIDENTIAL FINAL EXAMINATION SEMESTER / SESSION : II/ 2016/2017 PROGRAMME : 2 BFF COURSE : ENGINEERING GEOLOGY COURSE CODE : BFC 21303 Figure Q4(a): Great circle plots for joint CONFIDENTIAL . CONFIDENTIAL BFC 21303 FINAL EXAMINATION SEMESTER / SESSION : II/ 2016/2017 PROGRAMME : 2 BFF COURSE : ENGINEERING GEOLOGY COURSE CODE : BFC 21303 Figure Q4(b): Equatorial equal-area stereo-net marked in 2° intervals 8 CONFIDENTIAL . CONFIDENTIAL BFC 21303 FINAL EXAMINATION SEMESTER / SESSION : II/ 2016/2017 PROGRAMME : 2 BFF COURSE : ENGINEERING GEOLOGY COURSE CODE : BFC 21303 Figure Q4(c): Rock slope formula (Wedge failure) 9 CONFIDENTIAL .
Report "Final Examination_BFC 21303_Sem 2 Session 1617a"