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I-SHAPED STEEL WITH DISCONTINUOUS TOP FLANGE REINFORCED COMPOUND CONCRETE BEAM CONTAINING DEMOLISHED CONCRETE LUMPS AND CONSTRUCTION PROCESS OF SUCH BEAM
I-SHAPED STEEL WITH DISCONTINUOUS TOP FLANGE REINFORCED COMPOUND CONCRETE BEAM CONTAINING DEMOLISHED CONCRETE LUMPS AND CONSTRUCTION PROCESS OF SUCH BEAM
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机译:异型顶部法兰,含脱脂混凝土块的复合混凝土梁的异型钢及这种梁的施工过程
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摘要
An I-shaped steel with discontinuous top flange reinforced compound concrete beam containing demolished concrete lumps and a construction process thereof. The beam comprises an I-shaped steel having discontinuous top flange, longitudinal bars (7), stirrups (6), waist bars (8), fresh concrete (5), and demolished concrete lumps (4). The I-shaped steel having discontinuous top flange consists of a bottom flange plate (3), a web (2) and a discontinuous top flange plate (I). The discontinuous top flange plate (1) consists of two rectangle steel plates or trapezoid steel plates located at both sides of the I-shaped steel. The two steel plates have a same length that is one third of a length of the I-shaped steel. The trapezoid steel plate has a width of a short side no less than a quarter of a width of the long side. The recycled compound concrete beam saves steel, fully uses the demolished concrete lumps, and is convenient to construct.
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