the conservation and structural restoration of architectural heritage pdf

The conservation and structural restoration of architectural heritage pdf

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Published: 01.06.2021

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Introduction

What is ISCARSAH?

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. Magnificent structures have been built by our ancestors, as part of our historic heritage.

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In that circumstance two important points were made: the first is that failure and damage should be used to understand performance and behaviour, so as to avoid measures that do not work. The second is that the engineer work should be integrated into the architecture historical methodology. Almost 30 years later this contribution investigate to which extent these two recommendations have been fulfilled, whether there is a common understanding between the conservation and the seismic engineering community and whether lessons from past failures are informing new strengthening strategies. The global seismic response of historic masonry buildings is highly influenced by the integrity of the connections among vertical and horizontal structural elements, to ensure the so-called box behaviour. Such behaviour, providing the transfer of inertial and dynamic actions from elements working in flexure out-of-plane to elements working in in-plane shear, leads to a global response best suited to the strength capacity of the constitutive materials, and hence enhanced performance and lower damage levels. In churches with a Latin cross plan shape, delivering the box action, might result particularly difficult, due to the change in stiffness between the nave and the central crossing area and often the presence of trusting arches and domes over the central crossing pillars. The engineering community has historically remedied to such problems by developing strengthening devices, to be applied either as repair to damaged buildings or, often enough, as a retrofit and upgrading programme to improve the seismic performance of the existing building stock before the next damaging event.

Rome, Italy. Structural analysis of architectural heritage is a new and growing branch of engineering. Knowledge of the history of architecture, material characteristics, instruments and techniques for investigations, diagnosis and restoration are all vital aspects for the correct understanding of structural behaviour and the ability to make correct decisions for repair and strengthening techniques. Designed for use by all professionals involved or interested in the preservation of monuments, the purpose of this book is to contribute to the development of new approaches in the area. The book should be seen and known about by all engineers and architects who are developing their work in the field.

Introduction

Modern societies understand built cultural heritage as a landmark of culture and diversity. Only during the last decades the idea that ancient buildings could be conserved and reused became appealing. Still, a large part of this heritage is affected by structural problems which menace the safety of buildings and people. The developments in the areas of inspection, non-destructive testing, monitoring and structural analysis of historical constructions, together with recent guidelines for reuse and conservation, allow for safer, economical and more adequate remedial measures. The paper addresses the issues of the methodology to adopt, of different cases studies and of present challenges. In particular, recent interventions in Portuguese cases studies the Cathedral of Porto and a theological school in Braga are analyzed in detail. Keywords: Cultural heritage buildings; Conservation and rehabilitation; Earthquakes and seismic engineering; Case studies.

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ICOMOS CHARTER- PRINCIPLES FOR THE ANALYSIS,. CONSERVATION AND STRUCTURAL RESTORATION OF. ARCHITECTURAL HERITAGE ().


What is ISCARSAH?

Metrics details. The conservation of the architectural heritage has enjoyed a long course of development over the recent decades. Conservation practice is based on the values offered by the architectural heritage resources for different individuals, groups, societies, and governments. Since there is no serious and comprehensive research on the semantic values, the present study was conducted to identify all the influential semantic values in the architectural conservation process and to determine the importance of each value based on the published literature.

Conservation of Architectural Heritage

Such a heritage records the existence of humans, their past endeavours and in doing so preserves their cultures and traditions for future generations and contributes to the formation of their identities by acting as an inspiration for their architectural achievements. From this perspective, conservation of architectural heritage becomes important to both current and future architectural endeavours.

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Architectural conservation describes the process through which the material, historical, and design integrity of any built heritage are prolonged through carefully planned interventions. The individual engaged in this pursuit is known as an architectural conservator-restorer. Decisions of when and how to engage in an intervention are critical to the ultimate conservation-restoration of cultural heritage. Ultimately, the decision is value based: a combination of artistic, contextual, and informational values is normally considered. In some cases, a decision to not intervene may be the most appropriate choice.

Significant architectural and historical monuments become an important point of reference for the local population, increasing their sense of security, and act as a factor shaping social identity. An effort to preserve relevant objects in a city is therefore important both for retaining its unique features and for strengthening the local community. The introduction of a new function in architectural heritage is not only an important impulse for the tangible regeneration of urban tissue, but can also help to reconstruct the image and identity of a city. The local cultural and architectural heritage plays a significant role in the process leading to the creation of positive references and elimination of negative connotations related to an economic or social crisis. These remain an important part of the history of a city and, at the same time, its significance may be reimagined and shown in a new context, that relates to the present day.

2 comments

  • Verrill D. 04.06.2021 at 00:08

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