Abstract
The study presents a numerical model for evaluation of the stresses in corrugated sheets under bending. The numerical analysis was performed from a three dimensional finite element model. From the analysis, the most intense tensional stress occurs in the trough and bottom surface of the corrugated sheet. While the most intense value of compressive stress occur in the crest and top surface of the sheet. Based on the principal stress contour diagram, the researcher also observed that the maximum uniformly distributed load carrying capacity of the fiber-cement corrugated sheet under bending, considering the linear material properties is 710N.
Highlights
Fiber cement products have been widely produced and sold all around the world for about a century
The test load of corrugated sheets is of large interest to fiber-cement industries which serves as a parameter for rejecting or acceptance of the lots of sheets produced
This study presents a numerical analysis of the stresses on corrugated roofing sheets to determine the maximum uniformly distributed load carrying capacity of the fiber cement corrugated roofing sheet under bending
Summary
Fiber cement products have been widely produced and sold all around the world for about a century. Examples of those products are corrugated sheets for roofing, flat panels for sliding, façades and partitions [1]. Numerical methods provide a general tool to analyze arbitrary geometries and loading conditions [5]. The linear elastic analysis is easier to perform and can be used in determining the response of any structural element in their global three dimensions For this analysis, the 3D model was created considering the physical linearity of the material (stress is proportional to strain) and geometrical non-linearity of the sheet (deformation configuration) [6]
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