Author : R. D. Shambharkar 1
Date of Publication :18th January 2018
Abstract: The design of an industrial building is governed mainly by functional requirements and the need for economy of construction. The main dimensions will be directed by the particular operational activities involved, but the structural designer’s input on optimum spans and the selection of suitable cross-sections profile can have an important bearing on achieving overall economy. An aspect where the structural designer can make a more direct contribution is in lengthwise dimensions i.e. the bay lengths of the building. Here a balance must be struck between larger bays involving fewer, heavier main components such as columns, trusses, purlins, crane beams, etc. and smaller bays with a large number of these items at lower unit mass. An important consideration in this regard is the cost of foundations since a reduction in the number of columns will always result in lower foundation costs. In this a Case Study of Low Span Pre-Engineered Industrial building located at Vijayawada, used for the Cement Godown having building width of 15m, length of 50m and height of 5m. The minimum total weight of PEIB was found to be 22.51 Tonnes and optimized cost of this building was estimated as 12.54 Lakhs at the spacing of 7.14m as against conventional having a total weight of 34.4 Tonnes and cost of 14.448 Lakhs at the bay spacing of 6.25m.Therefore material saved by using PEIB was 11.73 Tonnes (32.85%) & net money saved by using PEIB was 1.91 Lakhs.
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