The dense adsorbate layers of CO form a (2 × 1) pattern at 5 × 10 –8 Torr (Figure 7 a), a (√7 × √7)R19° pattern between 10 –6 and 10 –5 Torr (Figure 7 b), and a (2 × 2) pattern between 5 and 700 Torr.

But in the case of two-way rectangular footings, reinforcement is distributed across the full width of footing in long direction. However for short direction, the reinforcement is distributed in the ...