VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur

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VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203 DEPARTMENT OF CIVIL ENGINEERING QUESTION BANK II SEMESTER ST5008

1 VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur DEPARTMENT OF CIVIL ENGINEERING QUESTION BANK II SEMESTER ST5008 INDUSTRIAL STRUCTURES M.E STRUCTURAL ENGINEERING Regulation 2017 Academic Year Prepared by Dr. A. Leema Rose, Associate Professor

VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203.

structures - planning for Layout Requirements regarding Lighting, Ventilation and Fire Safety - Protection against noise and vibration - Guidelines of Factories Act. PART-A Q.

Write the sources of noise in Industries. 5. Write about Natural Ventilation. BT-6 Create 6. Criticize about "Resonance". BT-4 Analyze 7.

2 VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur DEPARTMENT OFCIVIL ENGINEERING QUESTION BANK SUBJECT : ST5008 INDUSTRIAL STRUCTURES SEM / YEAR: II/ I UNIT-I PLANNING AND FUNCTIONAL REQUIREMENTS Classification of Industries and Industrial structures - planning for Layout Requirements regarding Lighting, Ventilation and Fire Safety - Protection against noise and vibration - Guidelines of Factories Act. PART-A Q.No Questions BT Level Competence 1. Describe on what basis Industrial structures are classified. 2. Define Ventilation. 3. Illustrate the causes for fire in Industrial Buildings. 4. Write the sources of noise in Industries. 5. Write about Natural Ventilation. BT-6 Create 6. Criticize about "Resonance". BT-4 Analyze 7. Criticize how protection against noise can be done in industrial buildings? BT-4 Analyze 8. Identify the major components of an industrial building? 9. Discuss the minimum front open space is to be provided for factory building as per NBC? 10. List the factors that govern the site selection for an industrial building. 11. Define fire load. 12. Evaluate the significance of factories act. 13. State the characteristic features of fire resisting material? 14. Classify the different types of structural systems. 15. Examine the general requirements of steel industry BT-4 Analyze

3 16. List the major components of an industrial building. 17. List the types of fire hazards. 18. State any two requirements for cement industry 19. Evaluate the importance of factories act? 20. Write short notes on guidelines from factories act. BT-6 Create PART-B 1. Describe the guidelines for industrial buildings from Factories Act. 2. Explain (i) Methods of providing Ventilation.(6) (ii) Protection against noise and Vibration in Industrial Buildings.(7) 3. Demonstrate briefly how the planning for layout requirement is done for an industrial building. Supplement your answer with sketches. 4. State the important guidelines from Factories act with reference to planning of Industrial buildings. 5. State the various methods of providing lighting for industrial buildings. 6. (i) Plan and write the safety measures to be used to minimize noise and vibration in industries? (6) (ii) List out the general fire safety requirement for an industrial building.(7) 7. (i) Draw a typical layout plan for a steel manufacturing industry.(6) (ii) Also explain how ventilation can be planned in an industrial building?(7) 8. (i)write the components involved in textile building (6) (ii)also draw the layout of the textile building.(7) BT-6 Create 9. Discuss the methods of fire extinguishing techniques adopted in an industry. 10. Examine in brief the planning, types and elements of an industrial building. BT-4 Analyze 11. Classify the industries based on the ownership and investment. Explain with suitable example. 12. (i) Explain with a pictorial representation, describe the product and process type of plant layout also mention the advantages and BT-4 Analyze

4 disadvantages on each of the plant layout.(7) (ii) Write the merits and demerits of fixed position layout.(6) 13. Demonstrate the major guidelines of factories act which forms the base for the industrial structure. 14. State the effects of noise and vibration in an industry if they are controlled Within the limits. PART-C 1. Plan a layout for a cement industry which should satisfy all the requirements. 2. Explain about the classification of lightning? What are the points to be considered for providing natural lighting and ventilation? 3. Explain the definition, mechanism and principle involved in steel plant layout. BT-6 Create 4. List about the technical criteria for the design and basic principles for planning a good layout in a project. UNIT-II INDUSTRIAL BUILDINGS Steel and RCC - Gantry Girder, Crane Girders - Design of Corbels and Nibs Design of Staircase. PART-A Q.No Questions BT Level Competence 1. State about gantry girder? 2. Describe corbel and its advantages? 3. Evaluate the assumptions that are made in corbels according to Indian practice? 4. Evaluate why impact factor is considered in the computation of loads acting on gantry girder? 5. When will you classify a cantilever projection from a column as a corbel? 6. State the functions of corbels. 7. List the various effects of cranes to be considered under imposed loads in the design of gantry girder. 8. Identify the special advantages of corbels?

5 9. List the forces acting on the gantry girder. 10. Define drag force. 11. Sketch the reinforcements in nibs with large loads. 12. Demonstrate stair case. 13. Draw a neat sketch by marking the structural components of staircase. 14. Define (i) Tread (ii) Rise (iii) Going 15. Classify the types of staircases. 16. Criticize about flight. BT-4 Analyze 17. Write the minimum rise and tread in residential buildings. BT-6 Create 18. Write is the minimum rise and tread in public buildings? BT-6 Create 19. Examine the places where the following Staircase can be used a) Single flight staircase b) Quarter turn staircase c) Dog legged staircase d) Open BT-4 Analyze well staircase e) Spiral staircase. 20. Examine the live load specification as per code specification. BT-4 Analyze PART-B 1. Design a Gantry Girder for the following data Crane capacity- 100kN Longitudinal Spacing of Columns - 8m Gantry Girder spacing - 15m Wheel spacing of Crane - 3.2m Edge distance - 1m Weight of Crab Car - 16kN Weight of Crane Girder - 100kN 2. Design a gantry girder for a yarn packing industry for the following data: Crane capacity= 250kN Weight of crane(excluding crab) =200kN Weight of crab girder=50kn,mini. Hook approach=1.2m Wheelbase distance= 3.5m C/C Spacing of Columns= 16 m C/C, Spacing of gantry rail= 16 m Self-weight of rail section= 300 N/m Depth of rail section=75 mm Take fy = 250 N/mm 2, E = 2 x 10 5 N/mm 2 BT-6 Create

6 3. An industrial building is to be provided with a hand operated 50 kn crane facility. The details of the building and the gantry girders are: Longitudinal spacing of columns = 6m, Centre to centre distance of gantry girders= 12m, Wheel spacing = 3m, Edge distance = 1m, Weight of crane girder = 40 kn, Weight of trolley car = 10 kn. Solve the gantry girder for bending and shear. 4. Reproduce the design of a RCC corbel to carry a factored load of 500 kn at a distance 200 mm from the face of a 300 x 300 RCC Column. Use M35 concrete and Fe 415 steel. 5. Interpret the given data and design a corbel for a 250 mm square column to support a vertical ultimate load of 400 kn with its line of action 170 mm from the face of the column. Assume M20 grade of concrete and Fe 415 steel. 6. Explain about Nib and under what circumstances would you use them? Sketch the reinforcement details in Nibs with a) Light loads(6) b) Large loads.(7) 7. Estimate a corbel to support a factored load of 400 kn at a distance of 200mm from the face of the column. The dimension of the column is 300mm x 400mm. Use M25 and Fe 415 steel. 8. A Longitudinal type of a staircase spans a distance of 3.75 m c/c of beams. The flight consists of 15 steps. Take rise = 175 mm, tread is 250 mm. Assuming grade25 concrete and Fe 415 steel, examine the staircase for a live load of 5 kn/m 2. Assuming the breadth of the staircase as 1.4 m. (i)design the staircase with data s provided (10) (ii)sketch the reinforcement details (3) 9. An intermediate flight of a staircase is supported only at the edges of landing (support-perpendicular to the direction of the flight). Height between landings is 1.5m. The Flight has steps consisting of 10 risers (each rise=150mm) and a treads (each tread=250mm). The steps are supported on a waist slab. Landing is 1 m width. Support width is 300 mm each. examine the waist slab and landing for bending moment alone. Use M20 concrete and Fe 415 steel. Live load on stair is BT-3 BT-1 BT-2 BT-2 BT-5 BT-1 BT-4 Application Remember Understand Understand Evaluate Remember Analyze

7 3.0kN/m 2. Width of flight = 1.5 m. (i)design the staircase with data s provided (10) (ii)sketch the reinforcement details (3) 10. A flight of a dog-legged staircase has the following details: Going =2.25 m Landing width = 1.25 m Raise of a flight = 1.5 m Support width = 300 mm Choosing appropriate dimensions for rise and tread, and taking the flight to span longitudinally between the supports, design the flight. Assume live load as 3 kn/m 2. (i)design the staircase with data s provided (10) (ii)sketch the reinforcement details (3) 11. Reproduce the design of a dog-legged stair for a building in which the vertical distance between the floors is 3.6m. The Stair hall measures 2.4m x 5m (inner dimensions). The live load on the stair is 3000N/m 2.Adopt M20 Grade concrete and Fe415Grade Steel. (i)design the staircase with data s provided (10) (ii)sketch the reinforcement details (3) 12. Analyse a flight of a dog-legged staircase has the following details: Choosing appropriate dimensions for rise and tread, and taking the flight to span longitudinally between the supports, design the flight. Assume BT-4 Analyse live load as 3kN/m 2. Going =2.25 m Landing width = 1.25 m Raise of a flight = 1.5 m Support width = 300 mm 13. Examine the difference between corbel and nib. 14. Demonstrate the types of staircase in detail. PART-C 1. Reproduce the design of a gantry girder for a manufacturing industry for the following data: Crane capacity=250kn Weight of crane (excluding crab) = 200 kn Weight of crab girder= 50kN Mini. Hook approach=1.2m Wheel base distance= 3.5m

8 C/C Spacing of Columns= 8m C/C Spacing of gantry rail= 16 m Self-weight of rail section= 300 N/m Depth of rail section=75mm Take fy = 250 N/mm 2, E = 2 x 10 5 N/mm 2 2. Discuss the design procedure of a gantry girder as per codal provisions. 3. Design a suitable RCC staircase for an industrial building having staircase hall of3mx4m, height between the floors is 5.0m. Assume suitable LL as per codes. Adopt M20 concrete and Fe415 steel. 4. Analyse the design of a RCC corbel to carry a factored load of 500 kn at a distance 200 mm from the face of a 300 x 300 RCC Column. Use M30 BT-4 Analyse concrete and Fe 415 steel. UNIT-III POWER PLANT STRUCTURES Types of power plants Containment structures - Cooling Towers - Bunkers and Silos - Pipe supporting structures PART-A Q.No Questions BT Level Competence 1. Explain about the nuclear containment structures? 2. Choose the minimum grade of concrete and steel to be used for nuclear containment structures? 3. Memorize the points to be considered while constructing nuclear containment structures? 4. Explain the types of power plants. 5. Explain the requirement of power plants. 6. Evaluate the precautionary measures to be considered while constructing nuclear containment structures? 7. Differentiate between free vibration and forced vibration. BT-4 Analyse 8. List the different types of power plants 9. List few power companies in India 10. Examine the structural elements of bunker with neat sketch. BT-4 Analyse 11. Illustrate the theories used for calculation vertical weight carried by the

9 wall due to compression in silos. 12. Distinguish between a bunker and a silo. BT-4 Analyse 13. Write the steps involved in design of rectangular bunkers. BT-6 Create 14. Identify the assumptions made in the design of silos by Janssen s theory. 15. Draw a neat sketch of a bin and list its components. 16. Evaluate the theories that are adopted for the design of silos. 17. State reasons for the use of elevated steel storage tanks. 18. List the various stress developed in pipe supporting structures. 19. Write the various loads considered in pipe supporting structures. BT-6 Create 20. State about the distribution substation. PART-B 1. Draw the typical layout of nuclear power plant structures. 2. Describe the factors to be borne in mind while designing nuclear containment structures. 3. Sketch the typical layout of hydro power plant structures. 4. Explain the main factors to be allowed for design of RC containment structures BT-6 Create 5. (i) Using Jansen s theory, derive an expression for horizontal pressure in a silo at any depth h below the top.(6) (ii) Also derive an expression for total vertical load of the material transferred to the walls.(7) 6. (i)design a circular cylindrical bunker to store 20 t of coal. Density of coal is9 kn/m 3. Angle of repose is 30. Adopt M 20 grade of concrete and Fe 415 steel. (10) (ii)sketch the details of reinforcements. (3) 7. A cylindrical silo has an internal diameter of 10 m with the height of cylindrical portion is 40 m. The density of material is 15.2 kn/m 3. The coefficient of friction between material and concrete is The angle of repose of the material is 17.5degrees. (i) Identify the thickness required at the bottom of the cylindrical portion of the silo. Adopt M 20 grade of concrete and Fe 415steel.(10) (ii) Sketch the reinforcement details.(3)

10 8. Distinguish between the bunkers and silos BT-4 Analyse 9. Discuss the design principle of cooling towers. 10. Explain the design procedure of cooling tower. 11. (i) Estimate a circular steel silo of 12m height and 4m internal diameter to store cement of bulk density kn/m 3 angle of internal friction 25 o. The dimensions of the silo is 4m diameter, cylindrical portion height is 12m and hopper bottom height is 3m with the diameter of hopper at the bottom as 0.6m, 8mm thick plate with stiffeners ISA 65x65x6mm.(10) (ii) Sketch the reinforcement details.(3) 12. Analyse a steel bunker to store 3600 kn of coal for a locrunning shed. The unit weight of coal is 8.00 kn/m 3. Provide 500mm x 500mm hopper BT-4 Analyse opening. The angle of repose for coal is 35 o. 13. A bunker can also act as a silo, describe. 14. Demonstrate the major factors to be considered in the design of bunkers. PART-C 1. A circular cylindrical bunker is to be designed to store 300 kn of coal having a unit weight of 8 kn/m 3. The stored coal is to be surcharged at an angle of repose which is 30 for coal. Design the walls and hopper bottom. Sketch the details of reinforcements. Adopt M 20 grade of concrete and Fe 415 steel. 2. Explain about the construction methodologies and related aspects of power plant structures. BT-6 Create 3. Design a circular steel silo of 15m height and 6m internal diameter to store a cement of bulk density 17.50kN/m 3 with an angle of internal friction 25 o. the dimensions of the silo is 6m diameter, cylindrical portion height is 15m and hopper bottom height is 3m with the diameter of hopper at the bottom as 1.2m, 10mm thick plate with stiffeners ISA 65x65x8mm 4. Discuss the types of stresses developed for various load condition on a pipe supporting structures. UNIT-4

11 TRANSMISSION LINE STRUCTURES AND CHIMNEYS Analysis and design of steel monopoles, transmission line towers Sag and Tension calculations, Methods of tower testing Design of s elf supporting and guyed chimney, Design of Chimney bases. Q.No Questions BT Level Competence 1. List the types of towers recommended as per the codal provisions. 2. Evaluate the factor of safety adopted for the design of structural members of steel transmission line towers? 3. Write the types of structures which support the electric power transmission lines. BT-6 Create 4. Define the term: wind span. 5. Explain the term: weight span. 6. Describe what do you understand by broken wire condition? 7. Criticize the transmission line towers? BT-4 Analyse 8. Write short notes on testing of towers 9. Write the different types of power cables? 10. Explain about the requirements of substation structures BT-4 Analyse 11. List the points to be considered while selecting a site for substation 12. Examine the advantages of fire brick lining in RC Chimneys. BT-4 Analyse 13. Estimate the wind forces on 60m high tower with a basic wind speed of 45m/sec. 14. Recall the components of RCC Chimney. 15. Mention the components of a cooling tower. 16. Classify the types of chimneys. 17. Draw a neat sketch of a single diagonal braced tower. 18. Develop why is lining provided for chimneys? BT-6 Create 19. Discuss the factors for the stress developed in Chimney. 20. List the components of power cables. PART-B 1. Discuss briefly about Transmission line towers. 2. Summarize what are the loads to be considered in the design of transmission line towers? 3. Explain under what circumstances testing of towers is necessary? BT-4 Analyse

12 4. (i) Write a detailed note on the different types of loads acting on transmission line towers.(6) (ii) Give a brief discussion on lateral loads due to wind on transmission towers recommended as per the Indian codal provisions.(7) 5. (i) Sketch the elevations of different types of transmission line towers. State the assumptions made in the analysis(6) (ii) Discuss about the loading conditions to be considered in the design.(7) 6. Explain the detail the testing of power transmission line towers. BT-6 Create 7. Design a Chimney of 40m height having external diameter of 2.5m throughout the height. The chimney has a fire brick lining 10cm thick for 20m height above base. Air gap is 8cm. Temperature of gases is expected to be 200 C more than the temperature of the surrounding air. Coefficient of thermal expansion for concrete and steel is a = 11x 10 C and Es = 2.05 x 10 2 N/cm 2. Use M20 concrete. 8. Describe the design procedure of RC Chimney 9. Reproduce the design of a self supporting steel chimney for a height of 40 m above foundation with diameter of cylindrical portion 2 m. Assume thickness of lining as 100 mm and wind pressure as 1.5 kn/m A self-supporting steel chimney is 60 m high and 3 m diameter at top. Identify the thickness of plate required at 30 m and 60 m from top. Examine to design the base plate and the anchor bolts. Assume wind pressure as 1.5 kn/m (i) Summarize a detailed note on the types of loads that are acting on transmission line towers. (6) (ii) Explain the different types of towers that are predominantly subjected to wind loads.(7) 12. (i) Obtain an expression for a combined effect of self-weight, wind and temperature stresses for the section on the leeward side of a chimney shell.(7) BT-4 Analyse (ii)discuss how the temperature gradient is affected in the inner and outer faces of RC chimney. (6) 13. Describe the behavior of RC and Steel chimney.

13 14. Discuss the testing of towers in detail. PART-C 1. How are the stresses for various loads determined for a steel chimney? Explain in detail. BT-6 Create 2. Design a concrete chimney of 60m height having an external diameter of4m throughout. Use M25 grade of concrete and Fe415 steel. 3. Analyse & Find the conductor 60 o by the parabolic model. The conductor with the data given below. Conductor Span (a) = 7.62m, Conductor Type = 37/3 mm SCA Conductor diameter =21mm E = 0.784x10 6 kg/cm 2 ἀ = 17.3 x10-6 / o c BT-4 Analyse 4. (i) Illustrate with sketches describe the various lattice tower configurations with bracing systems.(5) (ii) Discuss the codal recommendations that are required for designing the broken wire condition in transmission line tower.(10) UNIT-5 FOUNDATION Design of foundation for Towers, Chimneys and Cooling Towers - Machine Foundation - Design of Turbo Generator Foundation. 1. State the general requirements of machine foundations? 2. Illustrate the points to be considered in the design of foundation for towers? 3. Evaluate the various parameters influencing the design of a machine foundation. 4. Describe with a sketch of typical turbo-generator foundation. 5. Criticize the effect of impact load in machine foundation? BT-4 Analyse 6. List and name the methods used for dynamic investigation of soil at the site. 7. Where are the cooling towers widely used? 8. List the stresses subjected to RCC Chimney? 9. Distinguish between bunker and silo. BT-4 Analyse 10. Discuss what do you understand by self supporting steel chimney?

14 11. Why Rankine s theory is not adopted for the design of silos? Give reason. 12. Discuss what are the forces acting on tower foundation? 13. Explain distribution substation 14. List the materials used for constructing substation structures. 15. Explain the functions of substations. 16. Define solidity ratio. 17. Examine the points to be considered while selecting site for substation? BT-4 Analyse 18. Write the types of tower foundation? BT-6 Create 19. Write the requirements of substation structures. BT-6 Create 20. Write about substation structures. PART-B 1. Discuss the steps involved while designing foundation for reciprocating 2. Explain in detail different types of machine foundation. BT-4 Analyse 3. Explain the design procedure for turbo generator foundation. BT-6 Create 4. (i)describe the steps in the design of tower foundations (6) (ii)explain their silent features.(7) 5. Describe how the foundation for towers be designed for various loads acting on it? 6. Sketch and discuss in detail the various types of foundations used for towers. 7. Examine how the foundation for towers be designed for various loads acting on it? 8. Write down the design procedures adopted for the foundation of chimneys. 9. Explain design principles adopted for foundation of cooling towers. 10. State in detail about the Masts and Trestles. 11. Explain the types of machine foundation based upon their operating frequency. Describe each of them in detail. 12. (i)explain the various class of foundation and explain the types of loading. (7) (ii)list the types of foundation under foundation. (6) BT-4 Analyse

15 13. Examine the vibration effects to be considered in design of machine foundation. 14. Demonstrate the types of towers. PART-C 1. Discuss the procedure for the design of concrete cooling towers. 2. Design the foundation for a lathe. Which has the following characteristics. Weight of machine = 150 kn Base area = 1.2mx5.0m, Height of CG of machine = 0.9m The machine supported by 3 pairs of 2.5mc/c Allowable amplitude = 0.1mm Use M20 grade concrete and Fe415 steel Speed of the machine =1200rpm Mass moment of Inertia I mm = 7500 kg/m 3 Vertical Excitation Force F z =50 kn Allowable Bearing Stress = 110kN/m 2 3. Describe about the forces on tower foundation. 4. Classify the cooling tower based on natural draft, forced draft and induced draft types. BT-4 Analyse

16 VALLIAMMAI ENGINEERING COLLEGE DEPARTMENT OF CIVIL ENGINEERING ST5008:INDUSTRIAL STRUCTURES QUESTION BANK S.No Unit BT1 BT2 BT3 BT4 BT5 BT6 1 Unit-1 2 Unit-2 3 Unit-3 4 Unit-4 5 Unit-5 Total Question Part-A Part-B Part-C Part-A Part-B Part-C Part-A Part-B Part-C Part-A Part-B Part-C Part-A Part-B Part-C TOTAL NO.OF QUESTIONS IN EACH PART PART A 100 PART B 70 PART C 20 TOTAL 190

VALLIAMMAI ENGINEERING COLLEGE KATTANKULATHUR ST7014-INDUSTRIAL STRUCTURES QUESTION BANK

VALLIAMMAI ENGINEERING COLLEGE KATTANKULATHUR ST7014-INDUSTRIAL STRUCTURES QUESTION BANK Prepared by Ms.K.Suganya Devi Assistant Professor Department of Civil Engineering UNIT-1 PLANNING AND FUNCTIONAL