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IEEE/ICACT20260308 Slide.08        [Big Slide]	Oral Presentation
	This slide shows how crowd disasters develop step by step. First, crowd stagnation occurs as people continue to enter a limited space. When density exceeds about eight persons per square meter, movement becomes restricted and pressure starts to build up. If inflow continues and density goes beyond ten persons per square meter, pressure rapidly spreads through the crowd and individuals lose mobility. At this stage, accidents become unavoidable.

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