On the areas immediately behind external anchorage, the permissible unit bearing stress on the concrete, after accounting for losses due to relaxation of steel, elastic shortening, and seating of anchorages, shall not exceed ______.

0.48 f ci \(\sqrt {\frac{{{A_{bearing}}}}{{{A_{punching}}}}} \) or 0.40 fckWhichever is smaller

048 fci \(\sqrt{\frac{A_{bearing}}{A_{punching}}}\)or 0.8 fck Whichever is smaller

0.48 f ci \(\sqrt {\frac{{{A_{bearing}}}}{{{A_{punching}}}}} \) or 0.76 fck Whichever is smaller

0.48 fci \(\sqrt {\frac{{{A_{bearing}}}}{{{A_{punching}}}}} \) or 0.78 fck Whichever is smaller

On the areas immediately behind external anchorage, the permissible un

1.	On the areas immediately behind external anchorage, the permissible unit bearing stress on the concrete, after accounting for losses due to relaxation of steel, elastic shortening, and seating of anchorages, shall not exceed ______.
A.	048 fci \(\sqrt{\frac{A_{bearing}}{A_{punching}}}\)or 0.8 fck Whichever is smaller
B.	0.48 f ci \(\sqrt {\frac{{{A_{bearing}}}}{{{A_{punching}}}}} \) or 0.40 fckWhichever is smaller
C.	0.48 f ci \(\sqrt {\frac{{{A_{bearing}}}}{{{A_{punching}}}}} \) or 0.76 fck Whichever is smaller
D.	0.48 fci \(\sqrt {\frac{{{A_{bearing}}}}{{{A_{punching}}}}} \) or 0.78 fck Whichever is smaller
Answer» B. 0.48 f ci \(\sqrt {\frac{{{A_{bearing}}}}{{{A_{punching}}}}} \) or 0.40 fckWhichever is smaller

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On the areas immediately behind external anchorage, the permissible unit bearing stress on the concrete, after accounting for losses due to relaxation of steel, elastic shortening, and seating of anchorages, shall not exceed ______.

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