Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
MODELING OF BLAST EFFECTS ON KEY STRUCTURAL ELEMENTS OF HIGH-RISE BUILDINGS
In view of persistent threats of terrorist attacks, protection of high-rise and unique buildings and structures from the above impacts remains one of the top-priority objectives of safety and security assurance projects. The author provides an overview of blast effects on a reinforced concrete column simulated through the employment of ANSYS software package. Possible patterns of the effects are considered. The semulation is performed in three sequent stages. At Stage 1, the initial stress-strain state of the column is simulated. At Stage 2, non-stationary gas dynamics of the explosion of 50 kg of TNT and the stress-strain state of the column are simulated. At Stage 3, destruction of the column, damaged by the explosion, is analyzed. The time period of complete destruction of the column after the explosion is ~ 100 ms. Numerical simulation of the environment by LS-DYNA software system assures accurate calculations; therefore, this software programme may be used to develop reliable actions aimed at reduction of effects of the explosion in order to prevent the progressive collapse.
MODELING OF BLAST EFFECTS ON KEY STRUCTURAL ELEMENTS OF HIGH-RISE BUILDINGS
In view of persistent threats of terrorist attacks, protection of high-rise and unique buildings and structures from the above impacts remains one of the top-priority objectives of safety and security assurance projects. The author provides an overview of blast effects on a reinforced concrete column simulated through the employment of ANSYS software package. Possible patterns of the effects are considered. The semulation is performed in three sequent stages. At Stage 1, the initial stress-strain state of the column is simulated. At Stage 2, non-stationary gas dynamics of the explosion of 50 kg of TNT and the stress-strain state of the column are simulated. At Stage 3, destruction of the column, damaged by the explosion, is analyzed. The time period of complete destruction of the column after the explosion is ~ 100 ms. Numerical simulation of the environment by LS-DYNA software system assures accurate calculations; therefore, this software programme may be used to develop reliable actions aimed at reduction of effects of the explosion in order to prevent the progressive collapse.
MODELING OF BLAST EFFECTS ON KEY STRUCTURAL ELEMENTS OF HIGH-RISE BUILDINGS
Agafonova Vera Valer'evna (Autor:in)
2012
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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