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首页> 外文期刊>Indian Journal of Science and Technology >Experimental Study on Flexural Behaviour of Cold Formed Steel Channel and I Sections Providing Angle Stiffener on the Web
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Experimental Study on Flexural Behaviour of Cold Formed Steel Channel and I Sections Providing Angle Stiffener on the Web

机译：钢网上冷弯型钢和I型截面提供角向加劲肋的抗弯性能试验研究

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Background: Different products are manufactured from Cold Formed Steel (CFS) are used in the different field of our daily life; in the home, the shop, the factory, the office, the car, the petrol station. These products have many uses ranging from ‘tin’ cans to structural frame, building members. This investigation presents the analytical study and theoretical study of the behaviour of flexural strength of CFS sections. Methods: Analytical study of CFS section was done by using FEM software (ANSYS Multiphysics Utility – CIVILFEM). Here two Channel sections and two built up I sections are fabricated. Built up I sections are formed by using symmetric channel section with the help of bolts provided in the web part of the section. One of the built up I section and C section are provided with angle stiffener to increase the flexural strength. The analytical results are compared with theoretical results according to IS 801:1975. Findings: From the study it is found that the maximum moment are occurring in between the one third of span to two third of span of the subjected sections. The moment in the zone between the two point loads are same and that portion is known as pure bending zone. Flexural strength is increased by providing angle stiffener throughout the length of the sections at the spacing of 40 mm between two stiffener and for I section and Channel section total stiffeners are provided respectively 24 and 12. Applications: Further works can be focused on determining the behaviour of the channel and built up I section with increasing web thickness, flange thickness and increasing the stiffener dimension. Another useful can be done by using diagonal stiffener with the temperature effect which may change the behaviour of channel and built up I section.
机译：背景：冷成型钢（CFS）制造的不同产品用于我们日常生活的不同领域;在家里，商店，工厂，办公室，汽车，加油站。这些产品有许多用途，从“锡罐”到结构框架，建筑构件。这项研究提供了CFS截面抗弯强度行为的分析研究和理论研究。方法：使用FEM软件（ANSYS Multiphysics Utility – CIVILFEM）对CFS截面进行了分析研究。这里制作了两个通道部分和两个组合的I部分。通过使用对称槽形部分，并在该部分的腹板部分中提供的螺栓的帮助下，可形成I型部分。组合的I型部分和C型部分之一设有角形加劲肋，以增加抗弯强度。根据IS 801：1975，将分析结果与理论结果进行比较。结果：从研究中发现，最大力矩发生在受力截面的跨度的三分之一到三分之二之间。两点载荷之间的区域中的弯矩相同，该部分称为纯弯曲区域。通过在两个加强筋之间以40 mm的间距在整个截面长度内提供角形加强筋来提高抗弯强度，对于I型截面和槽形截面，分别提供24和12个总加强筋。应用：进一步的工作可以集中于确定性能随着腹板厚度，翼缘厚度的增加和加强筋尺寸的增加，通道和堆积的I型截面的截面尺寸也随之增大。另一个有用的方法是使用具有温度效应的对角加劲肋，这可能会改变通道的行为并增加I型截面。

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