Analisis Sambungan Balok-Kolom Beton Bertulang Dengan Pemodelan Numerik Berbasis Metode Elemen Hingga

Media Ilmiah Teknik Sipil Pub Date : 2022-06-30 DOI:10.33084/mits.v10i2.3614

A. Aminullah, Miftahul Iman

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引用次数: 1

Abstract

A Damage to the reinforced concrete beam-column connection system had found in buildings such as residential buildings, houses of worship, and so on. This was caused by an incidental changed in the position of the beam elevation at the beam-column connection. The research had modelled the reinforced concrete beam-column connection with variations beam elevation, successively: h; 2h; and 3h where h was the height of the column. Modeling used 3D frame idealization and 3D solids element. The idealization of 3D frames had used to evaluate the capacity of the beam-column due to the beam elevation changed. T. The results showed that due to beam elevation chnaged had significant increased in the moment and shear capacity. The percentage increased in moment and shear respectively were 15%, 35%, and 45% of the control beam-column. The most severe cracks were occurred when the beam elevation was at 1.00hb. The percentage of beam-column connection stress concentration is 8,74% (CM); 9.80% (0.25hb); 11.09%(0,50hb); 12.13%(0.75hb); and 13.41% (1.00hb) for the ratio of horizontal and vertical stresses (S11/S22) on concrete frames. The percentage of stress concentration in steel reinforcement is 4.15% (CM); 4.47%(0.25hb); 5.25%(0,50hb); 4.56%(0.75hb); and 4.57%(1.00hb) for the comparison of von Mises and horizontal stresses (SVM/S11)

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分析钢筋混凝土柱梁连接与基于元素方法的数字建模

A在住宅楼、礼拜堂等建筑物中发现钢筋混凝土梁柱连接系统损坏。这是由于梁-柱连接处梁标高位置的偶然变化造成的。研究对钢筋混凝土梁柱连接进行了随梁高程变化的模拟，依次为:h;2 h;3h, h是列的高度。建模采用三维框架理想化和三维实体元素。利用三维框架的理想化来评估梁-柱在梁高程变化时的承载力。T.结果表明，由于梁高程的改变，弯矩和抗剪能力显著增加。弯矩和剪力分别为对照梁柱的15%、35%和45%。当梁高程为1.00hb时，裂缝最为严重。梁柱连接应力集中比例为8.74% (CM);9.80% (0.25 hb);11.09% (50 0, hb);12.13% (0.75 hb);混凝土框架的水平和垂直应力比(S11/S22)为13.41% (1.00hb)。钢筋应力集中比例为4.15% (CM);4.47% (0.25 hb);5.25% (50 0, hb);4.56% (0.75 hb);von Mises与水平应力比较(SVM/S11)为4.57%(1.00hb)。

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