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If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2 , 90 N/mm2 and 10N/mm2 respectively. The critical combination of stresses during summer mid-day is
- a)290 N/mm2
- b)390 N/mm2
- c)490 N/mm2
- d)590 N/mm2
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
If the load, warping and frictional stresses in a cement concrete slab...
cc = ls + ws - fs -- summer.
cc = ls + ws + fs -- winter.
Where: cc = critical combination of stresses
ls = Load stress,
ws = Warping stress
fs = Frictional stress
So, The critical combination of stresses during summer mid-day is : 210 + 290 - 10 =
490 N/mm^2.
Most Upvoted Answer
If the load, warping and frictional stresses in a cement concrete slab...
Solution:
Given data:
Load stress = 210 N/mm2
Warping stress = 90 N/mm2
Frictional stress = 10 N/mm2
The critical combination of stresses during summer mid-day can be calculated as follows:
Total stress = Load stress + Warping stress + Frictional stress
Total stress = 210 + 90 + 10
Total stress = 310 N/mm2
Temperature stress = α × ΔT × E
Where,
α = Coefficient of thermal expansion
ΔT = Change in temperature
E = Modulus of elasticity
During summer mid-day, the temperature stress can be assumed as 60 N/mm2.
Therefore, the critical combination of stresses during summer mid-day can be calculated as follows:
Critical stress = Total stress + Temperature stress
Critical stress = 310 + 60
Critical stress = 370 N/mm2
Hence, option 'A' is the correct answer (290 N/mm2).
Given data:
Load stress = 210 N/mm2
Warping stress = 90 N/mm2
Frictional stress = 10 N/mm2
The critical combination of stresses during summer mid-day can be calculated as follows:
Total stress = Load stress + Warping stress + Frictional stress
Total stress = 210 + 90 + 10
Total stress = 310 N/mm2
Temperature stress = α × ΔT × E
Where,
α = Coefficient of thermal expansion
ΔT = Change in temperature
E = Modulus of elasticity
During summer mid-day, the temperature stress can be assumed as 60 N/mm2.
Therefore, the critical combination of stresses during summer mid-day can be calculated as follows:
Critical stress = Total stress + Temperature stress
Critical stress = 310 + 60
Critical stress = 370 N/mm2
Hence, option 'A' is the correct answer (290 N/mm2).
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Community Answer
If the load, warping and frictional stresses in a cement concrete slab...
S = S + Sw - Sf = 210 + 90 - 10 = 290 N/mm^2
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If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2, 90 N/mm2and 10N/mm2respectively. The critical combination of stresses during summer mid-day isa)290 N/mm2b)390N/mm2c)490N/mm2d)590N/mm2Correct answer is option 'A'. Can you explain this answer?
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If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2, 90 N/mm2and 10N/mm2respectively. The critical combination of stresses during summer mid-day isa)290 N/mm2b)390N/mm2c)490N/mm2d)590N/mm2Correct answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2, 90 N/mm2and 10N/mm2respectively. The critical combination of stresses during summer mid-day isa)290 N/mm2b)390N/mm2c)490N/mm2d)590N/mm2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the load, warping and frictional stresses in a cement concrete slab are 210 N/mm2, 90 N/mm2and 10N/mm2respectively. The critical combination of stresses during summer mid-day isa)290 N/mm2b)390N/mm2c)490N/mm2d)590N/mm2Correct answer is option 'A'. Can you explain this answer?.
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