The paper investigates issues related to the solution of problems in development public transport infrastructure urban agglomerations. opportunities further existing typical city have been studied. conclusion about possibility reforming is drawn. It proposed use available airspace together with ground and underground as a direction for infrastructure. formation an 3D environment shown that join...

importance of security and sense of peace is a one of the most important factors of urban environment. therefore, the necessity of security in urban spaces has caused the emergence of authentic theories like defensible spaces and crime prevention through environment design (cpted)*. in this paper, various literatures related to defensible space theories have been reviewed and the related keywor...

purpose: in recent years high explosive bomb attacks have been increasingly directed against   civil structures by various terrorist organizations. this paper describes a numerical method for   assessing the interaction of high explosive air blast within the complex geometrical type of a   congested urban environment.   materials and methods: the first step in predicting blast effects on a targ...

filling stations inside the urban environment are known as one of the existing and potential dangers in cities which according to their centralized fire load can be of high safety importance. tehran holds 101 active filling stations faced to extreme accidents and high explosion potentials. in this study, 59 out of 101 gas stations were investigated under the fire risk assessment implementation....

In the current period, followed by the industrial revolution, the damaging effects of the one-dimensional attitude towards the environment caused by human have had countless hazards. To cope with these risks, the respect and protection of environmental values has attracted today's urban human attention once again and the issues about the human right to a decent, safe and healthy environment whi...