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Q. |
Under normal conditions using an ordinary cement, the period of removal of the form work, is: |
A. | 7 days for beam soffits |
B. | 14 days for bottom slabs of spans 4.6 m and more |
C. | 21 days for bottom beams over 6 m spans |
D. | all the above |
Answer» D. all the above |
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