LIFE CYCLE EVALUATION OF REHABILITATION OF RESIDENTIAL STRUCTURES SUBJECTED TO EARTHQUAKE (original) (raw)

2016, Concepts Books Publication

The rehabilitation of any structure is necessary, if the potential strength, as on the date, of the structural element or the global strength, found less than proposed, thereby reducing the factor of safety. The reduction in factor of safety alarms the danger signal during the event of disaster especially like earthquake. The ageing of the admixtures of the building components, environmental effects on the materials, repeated excessive or the change in the stresses reduces the strength. The change of use causing undesired change in nature and or of quantity of loading, change made in seismic zone, by national bodies, are the other factors that contribute in reduction of potential strength of the building. The compliance of potential strength is a cyclic process and in turns the process of rehabilitation. The evaluation of strength, of rehabilitated building, is the process contributed by the materials used, the methodology adapted, the workmanship, and the required rehabilitated strength. In this paper focus, and emphases, placed on explaining efficient, economical, eco-friendly and optimistic use these factors. Devastative earthquake that rock the Gujarat region, selected to collect the information about the current scenario, in respect of above referred factors and the awareness level among the affected citizens. The information collected from technical professionals, the implementers, and the end users, by method of literature reviews and on the expert advice. A case study is conducted; that explains the advantage of retrofitted building in the form of higher safety level for users, and extended longevity of the serviceable life of the building. Further, maintaining lower level of carbon emission, and ratable value for the tax calculation of the building. Key words: - 1) Reduction in strength 2) Eco-friendly 3) Optimum utilization criteria 4) The decision-making process