International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 10 Issue: 06 | Jun 2023
p-ISSN: 2395-0072
www.irjet.net
Performance evaluation of hybrid double T-box beam girder in steel structure Sitha Saji1, Kiran Jacob2 1 Student, Dept. of Civil Engineering, ICET Mulavoor, Kerala, India
2 Asst. Professor, Dept. of Civil Engineering, ICET Mulavoor, Kerala, India
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Abstract
implementing Cold-Formed Steel (CFS) built-up sections to perform diverse structural duties. Given the growing popularity of CFS in the construction sector, novel built-up CFS homogeneous and hybrid double-T-box girders (DTBGs and HDTBGs) are proposed in this study. These sections are anticipated to function as a structural girder to handle heavier flexural loads over longer spans and to provide greater resistance to multiple buckling events. The increase in the span of flexural members is connected with phasewise buckling modes of failure as follows; short members are more susceptible to local plate buckling, which can cause cross-sectional deformation.
In this project the finite element of HDTGB was evaluated with the help of ANSYS software and its result compared with experimental study results to ensure validity. After the validation HDTGB is evaluated by conventional, beams ISMB 200 and ISMB150 finding the better performance.as this is hybrid section web and flange are made with different grade steel. To find out the better combination the grade of web and flange analysis with different grade configuration. Local buckling of the section is depending on stiffness, to improve the stiffness providing stiffeners in the flange and web section, and try to evaluate the failure mode. To find out whether it can be provided in a building within ANSYS limitation, it is transferred to the form as a frame, then the lateral loading capacity is checked with the help of PUSH OVER TEST.
Steel forms often have an arrangement of thin plate cross sections. If the thin plates that make up the cross section of a steel shape are excessively thin, the cross section may buckle when the steel shape is subjected to high compressive pressures before the full strength of the member is reached. The member capacity is reached when buckling of a cross sectional element occurs. As a result, local buckling is established as the limit state for the strength of compressively stressed steel forms.
Key Words: Hybrid double T-box beam girder (HDTBG), double t box girder (DTBG), low tensile (LT), medium tensile (MT), high tensile (HT).
1.Introduction
By experimental and numerical examinations, the flexural strength and behavior of cold-formed steel oval hollow section beams were examined. Extensive resources and labor are needed for experimental research on calculating the moment-resisting capacities and structural behavior of various new CFS cross-sections involving many factors. Numerical study using nonlinear Finite Element Analysis (FEA) and commercially accessible software tools is one of the thorough research methods that takes into account many parameters.
The building industry makes widespread use of cold-formed steel structures, either as entire buildings in low- to mid-rise construction or in conjunction with hot-rolled or manufactured steel framing. The phrase "cold-formed steel" (CFS) refers to steel products that have been produced using cold-working techniques that are performed at temperatures close to room temperature, such as rolling, pressing, stamping, bending, etc. Cold-rolled steel (CRS) stock bars and sheets are often utilized in all production sectors. Hotformed steel and hot-rolled steel are contrasted by the terminology. In the building sector, cold-formed steel, particularly in the form of thin gauge sheets, is frequently used for structural and non-structural elements such columns, beams, joists, studs, floor decking, built-up sections, and other parts. Since they were standardized in the US in 1946, such usage has grown in popularity. Bridges, grain bins, vehicle bodywork, railway coaches, highway items, gearbox towers and gearbox lines have all utilized coldformed steel members.
In this project the finite element of HDTGB was evaluated with the help of NANSYS software and its result compared with experimental study results to ensure validity. After the validation HDTGB is evaluated by conventional, beams ISMB 200 and ISMB150 finding the better performance.as this is hybrid section web and flange are made with different grade steel. To find out the better combination the grade of web and flange analysis with different grade configuration. Local buckling of the section is depending on stiffness, to improve the stiffness providing stiffeners in the flange and web section, and try to evaluate the failure mode. To find out whether it can be provided in a building within ANSYS limitation, it is transferred to the form as a frame, then the
The evolution of composite goods in manufacturing, as well as advances in technologies and techniques, have facilitated the process of preparing, , mass producing, fabricating, and
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