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At the beginning of the 21st century, cities suffered from high traffic density and mobility problems due to rapid urbanisation and population growth. Bridges were built to encounter these challenges. As a result, the urban voids (urban spaces under bridges) have increased tremendously. In this study, a qualitative analysis was established to understand the negative impacts of urban voids focusing on under-bridges urban spaces. Furthermore, five criteria, as well as thirty-one sub-criteria were derived from the extensive literature and previous international experiences. Additionally, a quantitative analysis was conducted through experts' interviews. Criteria and sub-criteria were assessed using the decision-making trial and evaluation laboratory (DEMATEL) to determine whether each criterion/sub-criteria belongs to the cause or effect group. Results indicated that the most important criterion was urban identity, as well as the most important sub-criteria belong to each criterion, were social services, investment diversity, sustainable recourses management, ICT-infrastructure, and urban integration. [ABSTRACT FROM AUTHOR]

The Increase in natural, unpredictable events these days require a rapid action to mitigate ensuing damage. Emergency architecture is the immediate answer to sudden humanitarian needs. Referring to disaster management phases, architectural design considerations should enhance these phases and prioritizing implementation considerations. To address these challenges, disaster management principles and phases were discussed, and urban planning & shelter design considerations for emergency camps were classified into four principles. These principles include site selection, infrastructure, camps zoning, and shelter design principles, which have a set of factors. These principles and factors are ranked according to their importance from (12) experts opinions and by using the analytical hierarchy process (AHP) as an analysis tool. Then, the study examined the effectiveness of the AHP model by applying it to four emergency camps (previous experiences). Finally, an emergency camp was proposed based on the expert's evaluation and the lessons learned from the previous experiences. [ABSTRACT FROM AUTHOR]