خلاصة:
Problem statement: Coherence as a necessary quality in the physical, social, and economic life
of cities has been less attended by urban planners in modern times, to the extent that the scattering
and deterioration of the urban fabrics, and in particular the existing metropolises, can be attributed
to the lack of attention to this quality in the planning and design of modern cities. One of the main
reasons for this is the lack of attention to the existence of different approaches to studying the form,
the structure and the absence of an integrated approach and criteria and principles that can be used
to assess the degree of coherent form and structure.
Research aim and question: Therefore, this research seeks to elaborate the principles for
evaluating the coherence of the physical form and developing a conceptual model. In this regard,
this research aims to answer the question of what are the common principles between different
approaches and theories about the physical form, and how do these approaches define the coherent
relationship between the elements of the form?
Research method: In this regard, this research has used a qualitative content analysis method
to draw out the concepts of separated text data (by study approaches that relate to the coherence
of form and structure), and Finally, this study achieved a theoretical model or framework by
extracting the texts abstract levels which reflects the passive and repetitive patterns in the content.
Conclusion: The results show that the three main elements of the form, including street, land use
and building, play an important role in creating coherence, and the street is the most important
element in the connection and linking of the other two elements. Also, the mix and diversity criteria
in the land-use and the size criterion in the building are considered to be important criteria for measuring
the coherence of the urban form. On the other hand, linking and integrating as the most important criterion
for creating coherence, must be formed on the basis of two fundamental principles of scale and hierarchy,
so that the elements of the form in different structural parts (center, main axis, and zone) are connected
together in a coherent way.