Tributary area method

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The Effect of Number of Storey's and Columns Dimensions on the Accuracy of Tributary Area Method

Journal Title, Volume, Page: 
Journal of Engineering Science and Technology Review , volume7 issue1 (2014) ,P.P 60 – 64
Year of Publication: 
2014
Authors: 
Imad Al-Qasem
Civil Engineering Department, An-Najah National University, Palestinian
Current Affiliation: 
Department of Civil Engineering, Faculty of Engineering and Information Technology, An-Najah National University, Nablus. Palestine
Mahmud Dwaikat
Civil Engineering Department, An-Najah National University, Palestinian
Current Affiliation: 
Department of Civil Engineering, Faculty of Engineering and Information Technology, An-Najah National University, Nablus. Palestine
Mohanad Abdulwahid
Civil Engineering Department, Koya University, Kurdistan Region, Iraq
Current Affiliation: 
Department of Civil Engineering, Faculty of Engineering and Information Technology, An-Najah National University, Nablus. Palestine
Preferred Abstract (Original): 
In recent years, the utilization of computer techniques in engineering application has become an irreversible trend. This is achieved through using computer as the device for modeling, analysis, and design. The study mainly has focused on 
the accuracy of the tributary area method for estimation load , as compared to finite element method by SAP2000, considering the effect of building overall height (i.e. number of storey's) from 1 to 10 and column dimensions (i.e. stiffness) from 20×20 cm to 70×70 cm. According to the analysis of the data obtained, we can see the error in the load 
computed by the tributary area approximation becomes relatively larger as the number of storey's increases, especially for the ateral load calculations, and the stiffness of the columns increases, the predictions using the tributary area method improves for both axial and lateral forces in the columns. 
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Comparison of calculation of axial loads on columns by tributary area method and 3D modeling by SAP2000

Journal Title, Volume, Page: 
INTERNATIONAL JOURNAL OF CIVIL AND STRUCTURAL ENGINEERING Volume 3 Issue 2 2012
Year of Publication: 
2012
Authors: 
Imad A. Al-Qasem
Department of Civil Engineering, Faculty of Engineering and Information Technology, An-Najah National University, Nablus. Palestine
Current Affiliation: 
Department of Civil Engineering, Faculty of Engineering and Information Technology, An-Najah National University, Nablus. Palestine
Mohanad Yaseen Abdulwahid
Civil Engineering Department, Koya University
Preferred Abstract (Original): 
This research is an attempt to understand the distribution of axial loads on columns in one story building model under different case of slab (rigid and flexible slab) and different load condition (gravity and horizontal load), then comparing the results obtained by model with those results obtained by tributary area method. To do this, a technique utilizing finite element analysis is used in order to create computerized model with SAP2000 program. This model is built to simulate the real state of slab and columns in one story building. According to the analysis of the data obtained, we can see the big difference between the real load carried by columns and the load calculated by using the Tributary area method, so using 3-D model is the best method to calculate the real load effected on columns and design this columns according this load. Keywords: Tributary area method, rigid slab, flexible slab, FEM analysis, stiffness
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