기하학(geometry)

기하학(幾何學, geometry)은 ‘도형에 관한 학문’이다. 그리스어로 ‘geo-’는 대지, ‘-metry’는 계측을 뜻하는 말에서 생겨났다. 징조, 기미, 희미한, 대략 등 여러 뜻을 지닌 ‘기(幾)’와 결합된 ‘기하(幾何)’는 “어느 정도”라는 뜻으로, 계측과 관련된 낱말이다.

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Biaxial bending interaction diagrams

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Biaxial bending interaction diagrams for reinforced concrete column design solution The steps to calculate biaxial flexural strength of a rectangular reinforced concrete column for a given nominal axial strength and moment ratio of biaxial bending moments are as follows: 1. assuming a value for the angle of the neutral axis (a) and the neutral axis depth (c) to calculate the strain values in each reinforcement layer 2. Calculate the forces values in the concrete (Cc) and reinforcement layers (Fst) 3. Calculate Pn, Mnx/Mny using the following equations the procedure above should be repeated until the calculated Pn, and Mnx / Mny are euqal to the given Pn, and Mnx/Mny. The following figure demonstrates the procedure explained above: 출처: Biaxial Bending Interaction Diagrams for Rectangular Reinforced Concrete Column Design (ACI 318-19) Structure Point https://skyground21.tistory.com/entry/Biaxial-bending-interaction-diagram
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