The important methods practiced in this field are mentioned. The demolition technology that is practiced to demolish the concrete structures in a controlled way especially in Indian conditions. The application of method for demolition depends upon actual site condition and available space. Before execution of demolition work, the careful study of site condition, the type of structure, structural member, demolition range, rural or urban area and frequency. The demolition method also varies with the time available for demolition and need of site clearance for the new structure. Today various kinds of demolition methods are available, but the method of implementation for demolition work varies with the site condition, safety and cost. Any kind of demolition work needs labor forces for executing the work. In developed countries demolition is very essential for development of new structures for various residential and industrial purposes. During this life, structures often meet with some situations like disasters, changing functions, city reconstruction, or higher residence demand due to population, all these lead to demolition or reconstruction of existing structures. The life cycle of concrete structures is usually 40 to 90 years.
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