Publication: Survey and characterization of historical mortars of
the church of San Pedro Apóstol in Polvoranca
(Leganés, Madrid): constructive aspects and
petrological analysis
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Publication Date
2008
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Laboratório Nacional de Engenharia Civil (LNEC)
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Abstract
This research studies the mineral composition characterization and internal
texture of selected mortars collected from the church of San Pedro Apóstol of Polvoranca
(Leganés, Madrid). The aim of the survey is to provide as much additional information as
possible through the archaeological investigation so as to achieve a better understanding of
the remains and to establish the chronology of the archaeological group.
The church, founded in medieval times, suffered an important reformation during the 17th
century directed by the architect José de Villarreal. The temple is one of the best examples
of Barroque architecture made of brick masonry –with the use of gypsum mortar joints—
preserved in the area of Madrid.
The analysis of mortars helps in establishing a construction chronology differentiating
medieval and modern phases of the church architecture allowing for a better interpretation
and understanding of the remains of this interesting built group.