And for the purpose of estimatmg e vo of concrete, we consider the inside diameter of the pipe as presented in the second column d of Table 1-6. 2. Refer to Table 1-6. Under d = 90 pipe diameter, class "A" mixture, multiply: 40 Cement: 12 x 2.826 = 33.9 say 34 bags Sand: 12 x .157 = 1.88 say 2.0cll.m.
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On the other. hand, the stress of compression steel (A ''s) may either be fy or below fy. This stress must always be checked. If the compression steeL yields, then A''s = A.z, otherwise A''s = tsz hif ., wherefs '' is the stress of compression steel and is given by the following equation. (see d~rivation in page 108) ·
Ancient Egypt was a civilization of ancient North Africa, concentrated along the lower reaches of the Nile River, situated in the place that is now the country Egypt.Ancient Egyptian civilization followed prehistoric Egypt and coalesced around 3100 BC (according to conventional Egyptian chronology) with the political unification of Upper and Lower Egypt under Menes (often identified with Narmer).
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ii. Collect the fallen leaves and other parts of the plants in the second polythene bag. iii. Collect all the animals such as ants, larvae, earthworms, insects, etc., in the third polythene bag. iv. By digging the soil to about 20 to 25 cm., take out all the underground parts of the plants and collect them in a separate bag after washing.
action of currents against shores and banks. Accretion is the washing up of sand, silt or soil so as to form firm ground, called alluvion. In common practice the terms alluvion and accretion have been used almost interchangeably. Usually, however, alluvion means the deposit itself …
Apr 09, 2021· The El-As aqueduct is the first and oldest Roman aqueducts in Tunis. The Zaghouan aqueduct is the second of the longest Roman aqueducts ordered by Emperor Adrian, with a length of 57.5 miles (92.5 kilometres). It was built in the second century to …
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