What happens when,in Prestressed girder the HDPE duct and cone size is provided more than required? (technical answer expected)
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why 50% more is assumed while calculating dry volume of coarse and fine aggregates in concrete calculations.whether 50% more is correct? How is it decided? whether the same is applicable to cement volume. Also what about cement mortar dr volume? How much more is to be considered for dry volume of mortar.
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can any one give me sample question paper of BHEL at mdansari86@gmail.com as i m appearing for the same exam.
How to calculate the compressive strength of 28 days of concrete where we have 7 days compressive strength?
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Minimum no of bare in beam
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