Question
Download Solution PDFIS 10262 ∶ 2019 के अनुसार, कंक्रीट के M55 ग्रेड के लिए मानक विचलन (S) का अनुमानित मान क्या है?
This question was previously asked in
DDA JE Civil 01 Apr 2023 Shift 3 Official Paper
Answer (Detailed Solution Below)
Option 1 : 5 N/mm2
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Download Solution PDFव्याख्या:
लक्ष्य माध्य सामर्थ्य (fm) को निम्न लिया जाता है
fm = fck + 1.65 σ
जहाँ,
fck = अभिलाक्षणिक संपीडन सामर्थ्य, और σ = मानक विचलन
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IS 10262 ∶ 2019 के अनुसार अनुमानित मानक विचलन (खंड 4.2.1.3)
| कंक्रीट का ग्रेड | अनुमानित मानक विचलन (N/mm2) |
| M 10 | 3.5 |
| M 15 | |
| M 20 | 4.0 |
| M 25 | |
| M 30 | 5.0 |
| M 35 | |
| M 40 | |
| M 45 | |
| M 50 | |
| M 55 | |
| M 60 | 5 |
| M 65 - 80 | 6 |
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