However, Deciding of deck may become difficult unless we have an idea on its model and shape.
When Solid slab becomes uneconomical we have to go for the next alternative to make our deck economical as well as safe. Generally for construction of a medium bridge idea for selection depends upon various factors. The analysis presented illustrates the behavior of bending moments, Shear Force, displacements, reactions due to change in Span for various load conditions and vehicles. One of the most important factors affecting the design of the structures is the shape of the structure. Keywords -Voided Slab deck, Cellular Slab deck, MIDAS- CIVIL From that model keeping width of the deck slab as constant (i.e 11.05m) by using shape of void as circular and rectangular analysis has been done in Midas civil for various spans ranging from 7.00m to 15.00m for an interval of 0.2m so total (41+41) models analyzed and their Beam forces, Reactions and Displacements in x,y and z directions have been compared interms of span wise. A real voided slab model is taken for deciding dimensions and changed in line with IRCS SP 64-2005.
#Midas gen software
In this project an experiment has been done using Midas civil software by taking void as 60% of total deck depth and analyzed under various Indian code loading conditions as per IRC and results has been compared to know the behavior of the shape constraint for deciding a bridge deck. As we know we use voided slab for a void depth upto 60% and cellular deck slab if the void depth is more than 60%.As in any text book it is not clear about the behavior of using various shapes as voids.
The analysis presented illustrates the behavior of bending moments, Shear Force, displacements, reactions due to change in Span for various load conditions of voided and cellular decks. K Prasad Department of Civil EngineeringĪbstract:-The paper deals with analysis of the voided deck slab and cellular deck slab for medium bridge span ranging from 7.0 m to 15.0 m. V R Siddhartha Engineering College Vijayawada, Indiaĭr. Analysis of Voided Deck Slab and Cellular Deck Slab using Midas Civilī.
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