engineering recuitment WBMSC Sub Assistant Engineer Civil Mock Test 2023 Reinforced Concrete Structures Bond, Anchorage and Development Length
विस्तार की लंबाई का आकलन करने के लिए उपयुक्त समीकरण कौन-सा है?
1
\({L_d} = \frac{{\phi {\sigma _s}}}{{4{\tau _{bd}}}}\)
2
\({L_d} = \frac{{\phi {\sigma _{bc}}}}{{{\tau _{bd}}}}\)
3
\({L_d} = \frac{{{\sigma _s}}}{{4{\tau _{bd}}}}\)
4
\({L_d} = \frac{{\phi {\sigma _s}}}{{8{\tau _{bd}}}}\)