Question
Download Solution PDFThe positive bending moment coefficient at the middle of the end-span of a continuous one way slab is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept
wL= Live load
wd = Dead load
As per Table 12 of IS-456:2000, the bending moment coefficients for dead and live load are given below:
|
Location |
BM Coefficients for dead load |
BM Coefficients for Live load |
Bending moment |
|
Middle of end span |
1/12 |
1/10 |
\(\left( {\frac{{{w_l}}}{{10}} + \frac{{{w_d}}}{{12}}} \right){L^2}\) |
|
Interior support of end span |
-1/10 |
-1/9 |
\(-\left( {\frac{{{w_l}}}{9} + \frac{{{w_d}}}{{10}}} \right){L^2}\) |
|
Middle of intermediate span |
1/16 |
1/12 |
\(\left( {\frac{{{w_l}}}{{12}} + \frac{{{w_d}}}{{16}}} \right){L^2}\) |
|
Interior support of intermediate span |
-1/12 |
-1/9 |
\(-\left( {\frac{{{w_l}}}{9} + \frac{{{w_d}}}{{12}}} \right){L^2}\) |
∴ Option 1 is correct
Last updated on Jul 2, 2025
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