Implosion and Crane & Ball are the favorite ones
Demolition methods can vary depending on the area where it will be held on, the building material, the purpose of the demolition and the way that debris is going to be disposed. In this article we summarize four of the most used methods during building and structure demolition.
What is An Implosion?
Implosion is a violent bursting inward that allows the sequential elimination of structure supports.
Enough explosives are used to eliminate the critical vertical structural supports. The placement of the charges and the sequential detonation timing is if vital importance, allowing the collapse of the building induced by the weight of the structure. Implosion demolition methods are used in urban areas and often involve large structures with control methods of demolition.
For a successful demolition a complete set of structural blueprints must be analyzed to study the main component of such building. Also another important step is to have the blaster crew complete an assessment of the structure of the buildings to identify other areas that need to be blasted, in addition to the ones identify on the blueprints. As a final step is important to decide the type of explosives to use, where to position them in the building and how to time their detonations.
What is An Implosion?
Implosion is a violent bursting inward that allows the sequential elimination of structure supports.
Enough explosives are used to eliminate the critical vertical structural supports. The placement of the charges and the sequential detonation timing is if vital importance, allowing the collapse of the building induced by the weight of the structure. Implosion demolition methods are used in urban areas and often involve large structures with control methods of demolition.
For a successful demolition a complete set of structural blueprints must be analyzed to study the main component of such building. Also another important step is to have the blaster crew complete an assessment of the structure of the buildings to identify other areas that need to be blasted, in addition to the ones identify on the blueprints. As a final step is important to decide the type of explosives to use, where to position them in the building and how to time their detonations.
High Reach Arm
High reach arm is another traditional method of demolition.
The threshold for defining a high reach demolition is when it reaches a height of more than 20 meters. This method is usually formed by a base machine (excavator, tank, engine, counterweights), a demolition arm consisting of three sections or by a telescopic boom and a primary tool attached to the base machine (crushers, shears, hammers).
High reach demolition machines can be equipped with different tools to make them suitable for executing demolitions of structures. This method is used on reinforced concrete, masonry, steel and mixed material structures. The machines used in this type of demolition are not the only machines used in the process; there must be additional components used for secondary operations such as crunching of material. Several factors control the method like the height of the structure being demolished, site conditions and structure shape.
High reach demolition machines can be equipped with different tools to make them suitable for executing demolitions of structures. This method is used on reinforced concrete, masonry, steel and mixed material structures. The machines used in this type of demolition are not the only machines used in the process; there must be additional components used for secondary operations such as crunching of material. Several factors control the method like the height of the structure being demolished, site conditions and structure shape.
Read Full Article Here: 4 Ways a Building Can Be Demolished
