| Roll No. | Total No. of Pages : 02 |
| Total No. of Questions : 09 |
B. Architecture (2012 & Onwards) (Sem.-3)
STRUCTURE DESIGN-I
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Subject Code : BACH-307
M.Code: 70419
| Time: 3 Hrs. | Max. Marks : 60 |
INSTRUCTIONS TO CANDIDATES :
- Attempt SIX questions. Q. No. 1 is COMPULSORY. Attempt any FIVE from the rest.
- a. What do you mean by Bending Stress? (5×2=10)
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b. What is the difference between a column and a beam?
c. What is the difference between gross bearing capacity and net bearing capacity?
d. What is the difference between a short column and a slender column?
e. What is the difference between tensile stress and bending stress? - Design a brick Column 3000mm height for a load of 400 kN and a horizontal force of 1.0 kN. Assume compressive strength of brick 100kg/sq cm (draw neat sketches). (10)
- Calculate the base pressure diagram developed in a brick retaining wall of the following case? (10)
FIG. 1
Density of Soil y = 18 kN /m³
Density of concrete = 24 kN/m³
Angle of repose q = 30 degree. - Design a brick column for compressive load of 300kN and bending moment 10 kN-m. Assume safe compressive stress of bricks 90 kG per square cm. (10)
- Find the factor of safety against overturning in the following diagram? (10)
FIG. 2 - Explain Rankine's formula for minimum depth of foundation? What will be the minimum depth of foundation for maximum stress on soil below the foundation 200 kN/square meter, assume angle of repose of soil –30 degree? (10)
- Write a short note on the following : (10)
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a. Compressive strength.
b. Effective length of the column
c. Moment of resistance
d. Shear stress in beam - Explain the middle third rule? Find base pressure for the following diagram : (10)
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FIG. 3
Base resting on elastic pad length is 4m and width is 1.0m (eccentricity of load is 0.8m) - A timber beam, 2m long, section depth 200 and width 100mm is simply supported on edges, find the bending tensile and compression stresses if a UDL of 1kN is applied on it. (10)
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Arch 5th Semester Last 10 Years 2010-2021 Previous Question Papers|| Punjab Technical University
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