was bolted by a steel bar and that apartheid oppression was being intensified. daccess-ods.un.org 正是在 1959 年无辜示威者在沙佩维尔遭 到屠杀后,纳尔逊·曼德拉和南非人民意识到,以非 暴力方式争取自由的道路被一个实实在在的障碍所 阻挡,和平谈判之门被一根铁棒闩住 ,而 且 种族 隔离 压迫在加剧。
bar so as to have a predetermined width and depth; (c) installing a V-shaped steel tie bar bent in a V-shape and having a pair of legs in such a manner that an inner side of the bent portion is in close contact with an outer side of the main reinforcing bar and the pair of ...
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(1)Δh=KB1-B1.5α90°B-1.4tan(90°-α)·v22gwhere Δh is the head loss, K is the bar shape coefficient presented by Kirschmer [16], B is the blockage ratio, α is the screen angle from the wall, v is the approach flow velocity, and g is gravitational acceleration. Clark et...
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The Ø5 and Ø8 steel bar diameters were used as closed stirrups and longitudinal reinforcement to enforce the beams. For all V-shaped columns, two sizes of steel reinforcing deformed bars were used. Four bars of Ø8 mm were utilized as longitudinal reinforcement, and bars of 5 mm ...