Building Materials and Construction - December 2016

MU Civil Engineering (Semester 3)

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) Comment, what will happen, if no foundation is provided to a building. 5 marks

1(a) For the structures shown, determine-
i) Static indeterminacy (indicating clearly external & internal)
ii) Kinematic indeterminacy ( neglecting axial deformation in flexural members) show clearly the joint displacement
!mage 5 marks

1(b) State the advantages of dressing of stones. Explain with neat sketches, Boasted and Reticulated finish. 5 marks

1(b) Compute the slope at support 'A' of the rigid joined frame shown in figure due to temperature variation as indicated.Take α =12×10^-6 1°C and depth of each member = 600 mm. Consider the effect of axial deformation.
!mage 5 marks

1(c) Explain the following terms and with skecthes:
i) Queen Closer
ii) Through Stone 5 marks

1(c) Develop the flexibility matrix OR stiffness matrix for the non- prismatic beam w.r.t coordinate 1 and 2 as indicated.
!mage. 5 marks

1(d) Define timber. Explain defects in timber with sketches. 5 marks

2 Analyse the continous beam loaded as shown using Moment Distribution Method OR Clapeyron's Theorem of three moments. Also draw SFD,
BMD and deflected shape of the beam.
!mage 5 marks

2(a) Explain with neat sketch, under-reamed pile foundation. 5 marks

2(b) What is pointing? Enlist different types of pointing? Explain any 2 in detail 5 marks

2(c) State the functional requirements of flooring Explain Rubber Flooring 5 marks

2(d) Draw neat sketch showing fixing details of 'AC sheets' 5 marks

3 A rigid joined plane frame loaded as shown in figure . Analyse this frame using stiffness method OR slope-deflection method. Also draw BMD and deflected shape of the frame.
!mage 5 marks

3(a) Explain the terms with a sketch:
i) Principal rafter
ii) Purlin
iii) Cleat
iv) Common Rafter. 5 marks

3(b) Comment, if no bond is provided in masonry. Explain Flemish Bond. 5 marks

3(c) Explain lean to roof 5 marks

3(d) Explain defects in painting. 5 marks

4 Using flexibility method, analyse the frame loaded and supported as shown in figure. Also draw BMD and deflected shape.
!mage 5 marks

4(a) Write short notes on:
i) Prevention of accidents on site
ii) Storage of materials at site. 5 marks

4(b) Write down the ideal requirements of a scaffold. Explain any one type of scaffold in detail. 5 marks

4(c) Write short notes on
i) Glass cladding as an elevation
ii) Gypsum as an interior maternal 5 marks

4(d) Enlist steps in manufacturing process of bricks 5 marks

5(a) State & explain theorem of least work. 5 marks

5(a) Write down engineering properties of
i) Plaster of Paris
ii) Plastic 5 marks

5(a) Define the terms. (i) shape factor
(ii) Load factor
(iii) plastic hinge OR (a) state & explain theorem of least work. 5 marks

5(b) Write short notes on:
i) Uses of non-ferrous alloys in consturction.
ii) Form-wrk for beam. 5 marks

5(b) Find the shape factor for the beam of box section as shown. Assume wall thickness =50 mm throughout.
!mage 5 marks

5(c) Write short notes on:
i) Ceramic product
ii) Eco friendly materials 5 marks

5(c) A continuous beam subjected to loading at collapse as shown. Determine the plastic moment capacity 'M' of the beam
!mage 5 marks

5(d) Explain the following acoustical defects:
i) Echo
ii) Dead spots. 5 marks

6(a) Discuss in brief Humidity control Tempreature control with reference to comfort air conditioning. Also discuss the systems of air-conditioning 5 marks

6(a) Using Force Method, analyse the pin jointed plane frame loaded as shown in figure. Take AE= Constant for all members.
!mage 5 marks

6(b) Compare:
i) Stone Masonary and Brick masonary
ii) Dry process and wet process of cement manufacturing
iii) damp-proofing and water proofing 5 marks

6(b) A three hinged symmetrical parabolic arch of span 30 and central rise 5 m is subjected to udl of 30 kN/m over right half portion of the arch. It also carries a point load of 40 KN at the crown position. Find support reactions and drraw BMD for the arch, indicating clearly the position & magnitude of maximum +ve and -ve bending moment. 5 marks

6(c) State, in general, requirements of building materials and products 5 marks