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According to skempton's formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c is
- a)1.4 C
- b)6.0 C
- c)7.4 C
- d)9.0 C
Correct answer is option 'B'. Can you explain this answer?
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According to skemptons formula for a surface footing of square shape ,...
Skempton's Formula for Ultimate Bearing Capacity of Cohesive Soil
Skempton's formula is widely used for calculating the ultimate bearing capacity of a surface footing of square shape on a purely cohesive soil. The formula is expressed as:
qult = cNc + qNq
where,
qult = Net ultimate bearing capacity of the soil
c = Cohesion of the soil
Nc, Nq = Bearing capacity factors for cohesion and surcharge, respectively
q = Surcharge on the soil
Explanation of the Answer
The given question asks for the net ultimate bearing capacity of a square surface footing on a purely cohesive soil with cohesion c. According to Skempton's formula, the net ultimate bearing capacity is given by:
qult = cNc
Since the soil is purely cohesive, there is no surcharge on it, i.e., q = 0. Therefore, the above equation reduces to:
qult = cNc
The bearing capacity factor for cohesion (Nc) for a square footing is 6.0. Therefore, the net ultimate bearing capacity of the soil is given by:
qult = cNc = 6.0c
Hence, the correct answer is option B, i.e., 6.0c.
Conclusion
Skempton's formula is a useful tool for calculating the ultimate bearing capacity of a surface footing on a cohesive soil. It takes into account the cohesion of the soil and the surcharge on it. The bearing capacity factors for cohesion and surcharge vary depending on the shape and size of the footing. In the given question, the soil is purely cohesive and the footing is square, so the net ultimate bearing capacity is given by 6.0 times the cohesion of the soil.
Skempton's formula is widely used for calculating the ultimate bearing capacity of a surface footing of square shape on a purely cohesive soil. The formula is expressed as:
qult = cNc + qNq
where,
qult = Net ultimate bearing capacity of the soil
c = Cohesion of the soil
Nc, Nq = Bearing capacity factors for cohesion and surcharge, respectively
q = Surcharge on the soil
Explanation of the Answer
The given question asks for the net ultimate bearing capacity of a square surface footing on a purely cohesive soil with cohesion c. According to Skempton's formula, the net ultimate bearing capacity is given by:
qult = cNc
Since the soil is purely cohesive, there is no surcharge on it, i.e., q = 0. Therefore, the above equation reduces to:
qult = cNc
The bearing capacity factor for cohesion (Nc) for a square footing is 6.0. Therefore, the net ultimate bearing capacity of the soil is given by:
qult = cNc = 6.0c
Hence, the correct answer is option B, i.e., 6.0c.
Conclusion
Skempton's formula is a useful tool for calculating the ultimate bearing capacity of a surface footing on a cohesive soil. It takes into account the cohesion of the soil and the surcharge on it. The bearing capacity factors for cohesion and surcharge vary depending on the shape and size of the footing. In the given question, the soil is purely cohesive and the footing is square, so the net ultimate bearing capacity is given by 6.0 times the cohesion of the soil.
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According to skemptons formula for a surface footing of square shape ,...
1.4c
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According to skemptons formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c isa)1.4 Cb)6.0 Cc)7.4 Cd)9.0 CCorrect answer is option 'B'. Can you explain this answer?
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According to skemptons formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c isa)1.4 Cb)6.0 Cc)7.4 Cd)9.0 CCorrect answer is option 'B'. 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 According to skemptons formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c isa)1.4 Cb)6.0 Cc)7.4 Cd)9.0 CCorrect answer is option 'B'. 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 According to skemptons formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c isa)1.4 Cb)6.0 Cc)7.4 Cd)9.0 CCorrect answer is option 'B'. Can you explain this answer?.
According to skemptons formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c isa)1.4 Cb)6.0 Cc)7.4 Cd)9.0 CCorrect answer is option 'B'. 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 According to skemptons formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c isa)1.4 Cb)6.0 Cc)7.4 Cd)9.0 CCorrect answer is option 'B'. 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 According to skemptons formula for a surface footing of square shape , the net ultimate bearing capacity on a purely cohesive soil of cohesion c isa)1.4 Cb)6.0 Cc)7.4 Cd)9.0 CCorrect answer is option 'B'. Can you explain this answer?.
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