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Using steel jackets around reinforced concrete columns is a widespread technique for static and seismic retrofitting applications. The dimensionless interaction diagrams for reinforced concrete columns strengthened with steel angles are not attempted yet. Thus, this paper presents the formulation of dimensionless interaction diagrams for reinforced concrete columns strengthened with steel angles and strips. The axial loads and uniaxial bending moments are calculated using the plastic stress distribution method, and then the dimensionless interaction diagrams are generated. These diagrams enable analysis (estimation of the column load carrying capacity) and design (required amount of steel reinforcement) of such columns. Numerous examples are given to explain the Use of the new proposed diagrams. These examples have shown that the new proposed charts are straightforward in structural analysis and design applications. [ABSTRACT FROM AUTHOR]

In the present paper a program THINWALLRES is explained to obtain the elastic and plastic resistance of thin walled HVH sections under many combinations of the internal forces: axial force N, shear forces Vz and Vy, bending moments My and Mz, bimoment B, warping torsional moment Tw (= Mxw) and Saint Venant torsional moment Tt (= Mxs). The program THINWALLRES can at the moment solve various HVH-sections (H – Horizontal upper flange, V – Vertical web, H – Horizontal bottom flange), i.e. I-sections and H-sections that can be monosymmetrical, channel sections and Z-sections. The background of the theory is briefly explained. The results provided by the program are the elastic normal stresses, shear stresses and von Mises stresses due to any combinations of eight internal forces. The plastic stress distribution under given internal forces, plastic factor and up to ten different interaction diagrams combinations may be obtained with THINWALLRES. The results in the form of diagrams are helpful in the safe and economic design of metal (steel and aluminium) thinwalled members of the Classes 1, 2 and 3. [ABSTRACT FROM AUTHOR]

In the present paper a program THINWALLRES is explained to obtain the elastic and plastic resistance of thin walled HVH sections under many combinations of the internal forces: axial force N, shear forces Vz and Vy, bending moments My and Mz, bimoment B, warping torsional moment Tw (= Mxw) and Saint Venant torsional moment Tt (= Mxs). The program THINWALLRES can at the moment solve various HVH-sections (H – Horizontal upper flange, V – Vertical web, H – Horizontal bottom flange), i.e. I-sections and H-sections that can be monosymmetrical, channel sections and Z-sections. The background of the theory is briefly explained. The results provided by the program are the elastic normal stresses, shear stresses and von Mises stresses due to any combinations of eight internal forces. The plastic stress distribution under given internal forces, plastic factor and up to ten different interaction diagrams combinations may be obtained with THINWALLRES. The results in the form of diagrams are helpful in the safe and economic design of metal (steel and aluminium) thinwalled members of the Classes 1, 2 and 3. [ABSTRACT FROM AUTHOR]

The analysis of flexural behavior of RC beam is accomplished by using Graphical User Interface (GUI) developed in software called MATLAB.MATLAB is algorithmic software that will be used to simulate the problem statement using an algorithm. MATLAB is a high-performance numerical computation and visualisation software package. Shear force diagrams and bending moment diagrams are more necessary to analyse beam because they serve as the foundation for studying beams developed stresses and deflections. MATLAB is a powerful and flexible tool for computational and graphic analysis that can be used as convenient software for beam analysis by generating shear force diagrams and bending moment diagrams for any type of beam based on loading and support conditions. In this current study, Graphical User Interface (GUI) in MATLAB has been built to generate and assess SF diagram and BM diagram for simply supported beam packed with point load and uniformly distributed load. This study is also concerned with conducting non-linear finite element analysis on reinforced concrete beam by developing MATLAB code to find stress distribution, damage behavior and load displacement response. The GUI in MATLAB code is used to develop a quick and efficient method of analysing the reinforced concrete beam. [ABSTRACT FROM AUTHOR]

Pre-engineered steel structure systems are pre-designed and prefabricated in the pre-engineered building concept. The present construction method requires the best architectural beauty, excellent construction quality and speed, cost-effectiveness, and a creative touch. Pre-engineered steel buildings, for example, should be explored as an alternative building system. A Pre-Engineered Building (PEB) is a new concept that entails using a steel framework and optimizing the design while maintaining economic integrity. STAAD Pro will be used to analyze, design, and detail PEB structures with different loads in different regions. The applied load vs. deflection response, shear force & bending moment intensities, and stress concentration of pre-engineered building systems were used to evaluate the behavior of the structure. The tube cross section and Indian Standard Medium Weight Beam 350 of PEB for both column and rafter sections must be determined during the design stage. The optimization of PEB shall be presented in the report. [ABSTRACT FROM AUTHOR]