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Which of the following shows the CORRECT expression for target mean strength (fcm) of concrete, if the characteristic strength and standard deviation is given by fck and σ respectively?
  • a)
    fcm = fck + 1.65 σ
  • b)
    fcm = fck - 1.65 σ
  • c)
  • d)
    fcm = fck + 1.5 σ
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which of the following shows the CORRECT expression for target mean st...
The correct expression as per IS 456 : 2000 to find Target mean strength is :
fcm = fck + 1.65 σ
1.65 is generally a risk factor.
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Which of the following shows the CORRECT expression for target mean strength (fcm) of concrete, if the characteristic strength and standard deviation is given by fckand σ respectively?a)fcm= fck+ 1.65 σb)fcm= fck- 1.65 σc)d)fcm= fck+ 1.5 σCorrect answer is option 'A'. Can you explain this answer?
Question Description
Which of the following shows the CORRECT expression for target mean strength (fcm) of concrete, if the characteristic strength and standard deviation is given by fckand σ respectively?a)fcm= fck+ 1.65 σb)fcm= fck- 1.65 σc)d)fcm= fck+ 1.5 σCorrect 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 Which of the following shows the CORRECT expression for target mean strength (fcm) of concrete, if the characteristic strength and standard deviation is given by fckand σ respectively?a)fcm= fck+ 1.65 σb)fcm= fck- 1.65 σc)d)fcm= fck+ 1.5 σCorrect 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 Which of the following shows the CORRECT expression for target mean strength (fcm) of concrete, if the characteristic strength and standard deviation is given by fckand σ respectively?a)fcm= fck+ 1.65 σb)fcm= fck- 1.65 σc)d)fcm= fck+ 1.5 σCorrect answer is option 'A'. Can you explain this answer?.
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