Preservation of Historic Thin-Shell Concrete Structures

Boothby, Thomas E.; Rosson, Barry T.

doi:10.1061/(asce)1076-0431(1998)4:1(4)

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…Thus, adequate maintenance actions are mandatory as well as a correct diagnosis of their state of conservation. To confirm that, several studies mention the application of survey methods before the design of any intervention program [7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

20th-Century Award-Winning Buildings in Lisbon (Portugal). Study of Plasters, Rendering, and Concrete Materials Aiming Their Sustainable Preservation

et al. 2021

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Conservation, increasing the useful life period of existing significant buildings with minimum consumption of new materials, as much as possible of low-embodied energy, is an important step towards sustainable rehabilitation, while also contributing to the preservation of the cultural heritage. In the context of 20th-century buildings’ conservation, the knowledge of construction techniques and applied materials is essential to pursue sustainable preservation and rehabilitation actions. This paper presents the main construction types and characteristics of a set of architecture award-winning buildings in Lisbon (Portugal) between 1903 and 2002 along with an inspection of the main anomalies detected in renders, plasters, and concrete surfaces. The applied methodology made it possible to classify plasters, renders, and concrete materials according to their state of conservation. The study of 20th-century buildings is justified by the intense renovation activity in the city centres, which leads to the loss of their outer layers and their historical and original values. This study aims to contribute to future conservation actions that will guarantee better preservation concerning sustainable materials, i.e., compatible materials to the existing ones that enhance the durability of the old buildings and minimize the use of new materials.

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