The average permissible stress in bond for plain bars in tension is

Stress strain curve of high tensile steel

Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less…

Prestress loss due to friction occurs

The effect of creep on modular ratio is

Finer grinding of cement

Sinking of an intermediate support of a continuous beam<BR>i) reduces the negative moment at support<BR>ii) …

For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting fac…