首页> 外文期刊>International Journal of Civil, Structural, Environmental and Infrastructure Engineering Research and Development >BEHAVIOR OF HOLLOW Ⅰ-BEAMS REACTIVE POWDER CONCRETE WITH OPENING FOR PURE TORQUE
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BEHAVIOR OF HOLLOW Ⅰ-BEAMS REACTIVE POWDER CONCRETE WITH OPENING FOR PURE TORQUE

机译:空心Ⅰ型活性粉末混凝土开孔的行为。

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摘要

A series of nine, I section reinforced concrete hollow beams, by use of Reactive Powder Concrete (RPC), with square and circular web opening. The geometry and main reinforcement of all specimens are same, and was investigated under the effect of pure torsion. The main parameters taking into account, in present paper are hollow beam size, the location of hollow opening geometry and opening size. The torque caused the first crack, that was recorded and the angle of twist generated from this torque, was calculated for different parameters mentioned above. The results indicated that, the crack torques for a first crack decrease in presence of hollow and opening, and the crack torques decrease when the size of hollow and opening increased.
机译:通过使用活性粉末混凝土(RPC),通过方形和圆形腹板开口的一系列九个I型截面钢筋混凝土空心梁。所有试样的几何形状和主要钢筋都是相同的,并在纯扭转作用下进行了研究。在本文中,考虑的主要参数是空心梁的尺寸,空心开口的几何形状的位置和开口的尺寸。记录了引起第一裂纹的扭矩,并针对上述不同参数计算了由此扭矩产生的扭转角。结果表明,在存在空洞和开孔的情况下,第一裂纹的开裂扭矩减小,而当空洞和开孔的尺寸增大时,开裂扭矩减小。

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