SPSC 2011 Assistant Engineer / Assistant Executive Engineer (Civil) BPS-17, Engineers Cadre CCE (2011) — Building Construction Techniques Paper

Assistant Engineer / Assistant Executive Engineer (Civil) BPS-17, Engineers Cadre CCE (2011) — Building Construction Techniques. Combined Competitive Examination for Engineers Cadre · Saturday 19 March 2011, 10:00 am to 1:00 pm · Max marks 100. Attempt any 05 questions. All questions carry equal marks.

1. 1Define the terms "Built Environment" & "Natural Environment". Discuss & sketch important elements of built environment & natural environment.

2. 2(a) Enlist the major defects in the brick masonry work. What preventive measures should be adopted to remove these defects? (b) Define the following terminologies pertaining to the brick masonry work: (i) Bed (ii) Course (iii) Brick on edge (iv) Quoin closer (v) Perpends (vi) Cow nose.

3. 3Design a lintel over a 2 m window which is positioned in the central length of a long wall 20 cm thick. Height of masonry over lintel is 4 m. Adopt c = 50 kg/cm², t = 1400 kg/cm², m = 18. Density of masonry is 1920 kg/m³. Check for shear stress and bond stress.

4. 4Design a square R.C.C footing subjected to a load of 80 t; the column is 50 cm × 50 cm in plan. Bearing capacity of soil is 10 t/m². Adopt c = 50 kg/cm², t = 1400 kg/cm², m = 18. Check if it is safe in shear and bond stress.

5. 5Before design and construction of a building, why is soil investigation of the construction site made? Discuss methods of soil investigation and usefulness of its results.

6. 6Enlist the main differences between load bearing and reinforced concrete structures. Considering the economical and geographical position of Pakistan, which of these techniques is most suitable?

7. 7Discuss non-structural elements of a building and their use. Are they essential and why?

8. 8Discuss different methodologies of construction of tall buildings. Explain the procedure of construction of tube in tube structure and its benefits.