Abstract
In the present work, analysis and design of box girder has been done, consideringtwo different sheathing pipes namely HDPE and corrugated Bright metal pipes. These sheathing pipes have been used to find the economic solution of design of multi-cell box girder. CSI-bridge modular software has been used for carrying out analysis. Multi-cell PSC box girder design has been performed at various locations along the span so as to consider maximum or critical locations of the PSC box girder due to various loading conditions, the post tensioning of cables is done for jacking load at 0.765 times the UTS and jacking is done at both ends of the PSC box girder simultaneously., Various losses that occur due to different phenomena such as elastic shortening, Creep, shrinkage, friction and wobble loss have been considered. The results obtained on the two sheathing pipes are compared and are tabulated and graph gas been plotted. Encouraging results have been obtained.
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