ANSWER ALL QUESTIONS

1. On what basis Industrial structures are classified?2. Define Ventilation.3. What are the causes for fire in Industrial Buildings?4. Mention the sources of noise in Industries.5. What are high-low bay roofs?6. When lattice type of trusses is used?7. What is a gantry girder?8. Sketch the shape of a steel roof truss suitable for 30m span.9. State any two advantages of RCC roofs over steel roofs.10. Sketch the layout of a shell roof suitable for Industrial building measuring 20m x 30m.11. What are the general requirements of machine foundations?12. What is "Resonance"?13. Name the methods used for dynamic investigation of soil at the site.14. Sketch the reinforcements in nibs with large loads.15. Where are the cooling towers widely used?16. State reasons for the use of elevated steel storage tanks.17. What are nuclear containment structures?18. What are the stresses subjected to RCC Chimney?19. What type of foundation is adopted for towers?20.  Write about substation structures

PART - B (5 x 12 = 60 Marks)

ANSWER ANY FIVE QUESTIONS

21. a. Give the guidelines for industrial buildings from Factories Act.    b. What are the factors that govern the choice of roofs for Industrial Buildings?

22. Explain (i) Methods of providing Ventilation.(ii) Protection against noise and Vibration in IndustrialBuildings.

23. Discuss briefly how folded plates and shell roofs are used in IndustrialBuildings?

24. Design a Gantry Girder for the following dataCrane capacity- 100kNLongitudinal Spacing of Columns - 8mGantry Girder spacing - 15mWheel spacing of Crane - 3.2mEdge distance - 1mWeight of Crab Car - 16kNWeight of Crane Girder - 100kN

Use steel with yield stress of 250N/mm2. Assume any data required suitably.

25. Design a Chimney of 40m height having external diameter of 2.5mthroughout the height. The chimney has a fire brick lining 10cm thick for 20mheight above base. Air gap is 8cm. Temperature of gases is expected to be200°C more than the temperature of the surrounding air. Coefficient ofthermal expansion for concrete and steel is a = 11x 10-<>I °C andEs = 2.05 x 107 N/Cm2. Use M20 concrete. Density of lining is 19,500 N/m3and that of concrete 24,000N/m3

26. Design a Circular elevated Steel water storage tank for a capacity of2,50,000 Its. The height of the tank bottom above the ground level is 8.7m.The tank is supported over 8 columns and situated at the railway station inAllahabad.

27. Describe the steps involved while designing foundation for reciprocatingmachines.

28. Discuss briefly about Transmission line towers.- See more at: http://www.joinourgang.in/2013/05/anna-university-me-industrial.html#sthash.MJ8f9F9Q.dpuf

1. Explain Natural Ventilation.2. How protection against noise can be done in industrial buildings?3. Explain corbel.4. Name the different shell roofs used in industrial buildings.5. Explain north light truss with a neat sketch.6. Distinguish between bunker and silo.7. What do you understand by self supporting steel chimney?8. Explain the structural action of folded plate.9. What are the loads to be considered in the design of transmission line towers?10. Under what circumstances testing of towers is necessary?

Part - B (5 x 16 = 80 marks)

11. Discuss briefly how the planning for layout requirement is done for an industrial building. Supplement your answer with sketches. Ora) State the important guidelines from Factories act with reference to planning of industrial buildings.b) Explain various methods of providing lighting for industrial buildings.

12. a) 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. Design the gantry girder for bending and shear.

Orb) Design 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.

13. a) What is a Nib and under what circumstances would you use them? Sketch the reinforcement details in Nibs with a) Light loads b) Large loads.

2. (1) Attempt all questions.3. (2) Use of IS 800 and steel tables are allowed.4. (3) In case of numerical problems assume suitable data wherever not provided.5.  6. 1. Attempt any two parts of the following .7. (a) Sketch various types of roof trusses used in industrial buildings. What do you mean

by economical spacing of a truss ?8. (b) Enlist various types of loads which are considered in design of an industrial structure.

Explain how will you calculate wind load on an industrial shed ?9. (c) Design an angle iron purlin for a trussed roof from the following data :10. Span of roof truss = 12 m Spacing of roof trusses = 5 m Spacing of purlins along the

slope of roof truss = 2 m11. Slope of the roof truss = 1 vertical to 2 horizontal12. Wind load normal to roof = 1 kN/m2 Vertical load from roof sheeting = 0.2 kN/m2

13.  14. 2. Attempt any two parts of the following :15. (a) Give step wise design procedure for designing a gantry girder as per IS Code.16. (b) Sketch different types of columns (crane columns) which support the gantry girders :17. Why the bracing in an industrial building bent are done ? Discuss different types of

bracing.18. (c) Draw a neat sketch of a 2 tier grillage foundation and explain design analysis.19.  20. 3. Attempt any one part of the following :21. (a) Design the maximum section of a riveted plato girder to carry a superimposed load of

100 kN/m on an effective span of 24 m.22. (b) A welded plate girder has to be designed to carry a superimposed load of 100 kN per

metre. The span of the girder is 22 m. Design the flange plates of the plate girder check the stress in the flange plates.

23.  24. 4. Attempt any one part of the following :     25. (a) Design web splice at 8 m from one support for the plate girder of Q. 3 (a)26. (b) A simply supported riveted plate girder spans 13 m and carries a uniformly distributed

load of 80 kN/m inclusive of self weight of girder.27. The plate girder consists of 1600 mm deep x 12 mm thick web, plate, 2 ISA 200 mm x

100 mm x 15 mm flange angles and 500 x 12 mm cover plate in each flange. Design end bearing stiffeners.

28.  

29. 5. Attempt any one part of the following : A railway bridge is constructed to the following requirements :

30. (i) Type of bridge = deck type plate girder bridge31. (ii) Span = 16 m between centers of bearings32. (iii) Gauge = Broad gauge, single track, main line33. (iv) Distance between centres of plate girders = 2m34. (v) Dead load of each girder may be determined by Fuller’s formula, W = 1200 L +

1000/N/m where L = Span in meters.35. (vi) Dead load of track with timber ties may be taken as 700 N/m.36. (vii) Live load on the bridge may be taken as follows : For B.M. = 1688 kN and for S.F.

= 1881 kN 20 (viii) Impact factor =14+ L37. The section of each of plate girder is as per following : Web plate 1600 x 10 mm Two

ISA 150 x 150 x 12 mm rivetted to cover plates of size 400 mm x 12 mm two numbers in each flange. Do any one of the following :

38. (a) Find out stresses in the top and bottom flanges and check if the sections is adequate.39. (b) Design the bearing stiffener for the above plate girder bridge.40. Note: 1. Attempt any four questions. All carry equal marks41. 2.    Use of relevant IS Codes is allowed42. 3.    Assume missing data suitably, if any43. Ql An industrial shed is to be constructed in industrial area of

Ludhiana of 25m x 60m. The trusses are to be placed along the shorter span at spacing of 4 m c/c. If the height of the shed up to evacs level is 12m, than

44. (a)    Design the side rails for the shed45. (b)    Design the angle iron purlins.46. Q2 (a) Calculate the minimum value of W which would cause

collapse of the structure shown in fig. 1 .    (6)47. (b) Write a short note on minimum weight design of steel

structures.48. Q3 (a) An Indian standard aluminium beam ISALB 200 @ 161

N/m is used as column, if actual length of column is 4.5 m and is fixed at both ends. Determine the load carrying capacity of column.

49. A = 5980 mm2 Ixx = 3814.3 x 104 mm4 Iyy = 464.2 x 104 mm4 r xx = 78.9 mm ryy = 27.9mm J = 49.6x 104mm4    '    (6)

50. (b) Discuss the various loads acting on towers.51. Q4 Two channels 200 x 80 mm with bent up lips are connected

with the webs to act as column, as shown in fig 2. The thickness of plate is 2.5 mm and the depth of the lips is 25 mm. Determine the safe load carrying capacity if the effective length of the column is (a) 4 m and (b) 6 m.

52. Take Fy = 235 N/mm2 and E = 2 x 105 N/mm2

53. Q5 A self supporting steel chimney is of effective height 30 m, having its diameter at its top equal to 2m . Calculate the thickness of the plate required in the flared portion and at

section where flue opening is provided, taking uniform wind pressure of 1.5 KN/m2.

54. Q6 (a) Drive an expression for the total horizontal force per unit length of wall at a depth of silo using JANSSENs theory. (6)

55. (b) Discuss post-buckling strength of thin elements.56.

57. Ip

58.