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The purpose of this paper is to test critical conservation approaches through conceptual architectural interventions that integrate the evolution of a significant urban building, the Temple of Dagan in Ugarit, the capital of an important Bronze Age civilisation in Syria, with the pre-existing phases of the site and offer a paradigm for the presentation of the city’s evolution. This reflection aims to investigate how far the remaining fabric can frame the original architectural experience of the place allowing the visitors of the ruins to contextualise the architectural development of the temple.

A detailed reading of archaeological reports and the French mission’s architectural interpretation as well as in situ surveys and architectural and urban analyses were carried out to inform this conservation reflection, which primarily explores the potential of critical conservation approaches for key architectural interventions. The main vehicle is a virtual reconstruction approach to probe the proposed critical conservation principles and their success in highlighting the stratigraphy of a site.

The work shows that critical conservation approaches can make a distinct contribution to the understanding of the ruins; in particular, the virtual approach can handle effectively the presentation of the intangible experience of the temple (original processional routes) and its archaeological stratigraphy.

The poor condition of the temple, being exposed for more than 80 years after excavation, have limited further architectural analysis as some evidence is confusing to read in situ. The pre-conservation analysis, therefore, was based more on the archaeological mission’s work, which is comprehensive.

The reconstitution of the temple’s architectural layers in a coherent narrative will have educational value as it will highlight the development of architectural perception and techniques during the Bronze Age. Debate on the application of such tools by managers of the site may enhance the visitors’ appreciation of the ruins. The digital output itself constitutes an engaging material that enhances the public understanding of the site and its rich stratigraphy.

The study is the first attempt to constitute an architectural experience out of the confusing ruins integrating the archaeological evidence in the frame of contemporary conservation and architectural design. As one of the predominant urban artefacts in Ugarit, the Temple of Dagan witnessed at least a millennium of the city’s history and thus the conservation strategy of its intense development and stratification reflects the whole city.

Within the past ten years Canada has experienced a renewed interest in its architectural past. Whether part of an international trend toward architectural conservation (witness European Architectural Heritage Year, 1976), or part of a general reappraisal of all things Canadian and the development of a sense of nationalism, or the realization, painful as it may be, that the character of the urban landscape is quickly losing its familiar character, this renewed interest in our architectural heritage has surfaced, and is manifesting its presence in many ways. To any who would doubt the existence of a Canadian architectural heritage, or would quarrel with its worth, one has only to turn to Alan Gowans' prefatory remarks to his Building Canada: An Architectural History of Canadian Life:

This research aims to highlight the values, principles and recommendations for conservation in order to establish valid strategies for the conservation of earthen built heritage. This is done following a methodology which uses indirect (bibliography) and direct (case study) sources systematically analysed from different perspectives: the values of Earth as a material and of architectural and vernacular heritage; the heritage conservation principles found in international documents; and the analysis of over 3,000 case studies from which good practices in earthen architecture conservation are extracted.

Earthen built architectural heritage is found widely in all parts of the world, in archaeological sites and monumental and vernacular architecture, which research centres and researchers are increasingly studying and cataloguing. However, despite its richness and historic and cultural values, as well as its many merits in environmental sustainability, sociocultural and socio-economic terms, the value of this heritage has not been fully recognized in fields with major repercussions in conservation.

Finally, these data are cross-referenced to establish the broadest possible strategies to guarantee all aspects to be taken into account in the conservation of earthen built architectural heritage.

The text provides an overview of the different methodologies in order to extract specific strategies applicable to the conservation of this heritage, both locally and globally.

The objective of this paper is mainly to contribute to and activate, the process of saving and preserving the rich tangible and intangible heritage embraced in the historic center of Al-Najaf city. This was possible through examining the existing historic urban and architectural structures of the city, unveiling the major issues that are threatening both its traditional cultural and architectural identity, and finally analyzing similar examples that proved to be successful in addressing similar problems in order to derive possible strategies for saving, preserving and revitalizing the historical center of Al-Najaf Old City.

This paper addresses the major problems of heritage preservation in Al-Najaf City (750 AD), which is one of the historical and most sacred religious centers especially for Shia Muslims around the world. Despite its importance, the rich cultural and architectural heritage of the city is dramatically neglected and seriously threatened to be lost.

Preservation in Al-Najaf City is proposed as a sustainable development strategy. Top-down and bottom-up strategies are proposed not only for preserving the historic architectural and urban characteristics of the city but also for reviving its social and cultural activities and traditions.

The major issues addressed in this paper include the fragmentation and decentralization of the cohesive traditional urban fabric, the disruption of the spatial organization, the deformation of the traditional architectural characteristics of the city and its skyline, the discontinuity of facades' patterns, the destruction and demolition of historical buildings, the transformation of land use, and the regression of traditional social and cultural activities.

The purpose of this paper is to discuss the relation between building conservation and circular economy (CE), which are often erroneously seen as inherently contradictory to one another.

The work draws from a comparative approach. The paper reviews a body of literature on architectural conservation and CE to establish an understanding on the state-of-the-art for both disciplines separately. Then, the relation between thereof is developed through a theoretical discourse.

Both architectural conservation and CE aim at safeguarding value, although they define “value” differently. Fabric-focused conservation and CE favor minimal intervention to material, albeit they arrive at this conclusion from different bases. Consequently, both approaches struggle with the low cost of virgin resource extraction and waste production and the high cost of human labor in contemporary Western societies. CE could be harnessed for building conservation by adopting its vocabulary and methodology, such as lifecycle assessment and material flow analysis. Transitioning toward CE can help increase the preservation of built heritage while redefining what is meant by “heritage” and “waste.”

Prior to this paper, there have been no articles addressing the relationship of the concepts explicitly and to this extent. The paper provides a theoretical basis for further discourse and outlines some implications of CE for the construction and built heritage disciplines.

Many of the original buildings have gradually declined because of the development of society and the adjustment of industrial structure. Protecting the classical architecture and restoring the original luster of a building to maintain its own youth has become a hot issue in the current architectural planning. In this paper, the performance of the core idea of building conservation in the specific design and planning was discussed through the in-depth understanding of William Sumner Appleton's architectural concept in building protection planning area. Moreover, the profound influence of the idea of building conservation in building conservation was summarized. The current pace of urbanization development process is rapid, thus, many of the original buildings are severely damaged because of many factors. The concept and thought of William Sumner Appleton were re-interpreted based on the design and planning method of World Expo industrial clusters in Shanghai. This study is of great significance for the promotion of historical building protection and concrete practice in our country.

Accurate documentation of damaged or destroyed historical buildings to protect cultural heritage has been on the agenda of architecture for many years. In that sense, this study uses machine learning (ML) to predict missing/damaged parts of historical buildings within the scope of early ottoman tombs.

This study uses conditional generative adversarial networks (cGANs), a subset of ML to predict missing/damaged parts of historical buildings within the scope of early Ottoman tombs. This paper discusses that using GAN as a ML framework is an efficient method for estimating missing/damaged parts of historical buildings. The study uses the plan drawings of nearly 200 historical buildings, which were prepared one by one as a data set for the ML process.

The study contributes to the field by (1) generating a mixed methodological framework, (2) validating the effectiveness of the proposed framework in the restitution of historical buildings and (3) assessing the contextual dependency of the generated data. The paper provides insights into how ML can be used in the conservation of architectural heritage. It suggests that using a comprehensive data set in the process can be highly effective in getting successful results. The findings of the research will be a reference for new studies on the conservation of cultural heritage with ML and will make a significant contribution to the literature.

A reliable outcome has been obtained concerning the interpretation of documented data and the generation of missing data at the macro level. The framework is remarkably effective when it comes to the identification and re-generation of missing architectural components like walls, domes, windows, doors, etc. on a macro level without details. On the other hand, the proposed methodological framework is not ready for advanced steps of restitution since every case of architectural heritage is very detailed and unique. Therefore, the proposed framework for re-generation of missing components of heritage buildings is limited by the basic geometrical form which means the architectural details of the mentioned components including ornaments, materials, identification of construction layers, etc. are not covered.

The generic literature as to ML models used in architecture mostly constitutes design exploration and floor plan/urban layout generation. More specific studies in the conservation of architectural heritage by using ML mostly focus on architectural component recognition over 3D point cloud data (1) or superficial damage detection of heritage buildings (2). However, we propose a mixed methodological framework for the interpretation of documented architectural data and the regeneration of missing parts of historical buildings. In addition, the methodology and the results of this paper constitute a guide for further research on ML and consequently contribute to architects in the early phases of restitution.

The purpose of this paper is to identify and characterise bioclimatic strategies of traditional earthen architecture in a specific territory, the Valencian region of La Serranía. These constructions were built in relation to their surrounding geography or climate through several mechanisms facing the action of solar radiation, water, wind, etc.

The research methodology is based on a comparative analysis of selected case studies representing the constructions and typologies of traditional earthen heritage in a territory with similar geography and climate, albeit with certain zonal limitations.

The results show that these constructions built with earth offer a global solution to environmental conditioning factors of the region by a series of strategies formalised at urban, architectural and constructive level, either independently or jointly. Although climate variations affect its behaviour, traditional earthen architecture seeks compactness to reach indoor comfort.

Traditional earthen architecture is a valuable heritage in danger which has been devaluated until several years in this remote region. Therefore, prior knowledge of its bioclimatic strategies and formal constitution is essential to establishing heritage intervention criteria and proposals adapted to its geographical, socio-cultural and socio-economic context.

This chapter is interested in exploring whether philosophical understandings of authenticity are applicable to Western conceptualisation of heritage, from physical sites (tangible) to social practices (intangible). In viewing heritage as a dynamic process, the author argues that the concept of genius loci (or spirit of place) is the most logical theoretical framework to accommodate these shifting understandings of authenticity and heritage. Moreover, by moving beyond anthropomorphised and material-centred themes and focussing instead on participation, locus and action, building conservation can explore the dynamics between materials and meanings in order to work towards a more performative interpretation of historic building authenticity

The purpose of this paper is to examine the need to go beyond the “monumentalist” vision in restoration of built heritage and embrace principles of sustainability in this architectural practice.

Case studies as conceptual reference. Architectural typology.

The environmental crisis that is currently recognized as one of the most important problems that contemporary society must address urgently is a situation that still has not permeated enough in the practice of monumental restoration, which is still carried out using unlimited resources.

In that sense, the close relationship between the built and the natural environment as an essential ingredient of the vernacular is analysed.

Much of the sustainable principles, that have been put forward as an example to be followed, are elements that have hundreds of years in the constructive tradition.

In this context, vernacular architecture has much to contribute in the field of conservation by the enormous accumulated knowledge that its shapes, materials and social use represent.

This experience must be retrieved, but not as an aseptic laboratory experiment, but through its updated application and active implementation to improve the quality of life for inhabitants and contribute to the preservation of our cultural and natural environments.