Evaluation of Quantity and Cost of Grid Slab
Supriya Deepak Konda, D. Konda
Grid floors, spacing of grid beams, number of ribs and size of beams.
The floor resting on the beams which are running in two directions is known as Grid Floor. These types of floors are used to cover a large obstruction free area and therefore, are a good choice for public assembly halls. The Grid structure is monolithic in nature and is stiffer. It provides pleasing appearance and also has less maintenance cost. However, construction of the grid floor is cost prohibitive. By investigating various parameters involved, a cost effective solution can be found for the grid floor. The present work includes the parametric investigation in terms of flexural actions such as bending moments, shear force and deflection. Spacing of Grid beam and number of ribs are the parameters considered for investigation. For a selected hall dimension say (Lx x Ly) m there is a wide variation of number of ribs at regular intervals. To find out at what spacing of ribs and number of ribs provided in a grid floor gives minimum total cost including steel and concrete, this study is carried out. For this the grid is analyzed and designed by limit state method.
Article Details
Unique Paper ID: 166463

Publication Volume & Issue: Volume 11, Issue 2

Page(s): 667 - 673
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