Strengthening of three-leaf stone masonry walls: an experimental research

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• 作者：Daniel V. Oliveira (1) danvco@civil.uminho.pt
  Rui A. Silva (1) ruisilva@civil.uminho.pt
  Enrico Garbin (2) garbin@dic.unipd.it
  Paulo B. Louren莽o (1) pbl@civil.uminho.pt
• 关键词：Three ; leaf walls – ; Granite masonry – ; Grout injection – ; Transversal tying
• 刊名：Materials and Structures
• 出版年：2012
• 出版时间：August 2012
• 年：2012
• 卷：45
• 期：8
• 页码：1259-1276
• 全文大小：1.1 MB
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• 作者单位：1. ISISE, Department of Civil Engineering, University of Minho, Azur茅m, 4800-058 Guimar茫es, Portugal2. Department of Structural and Transportation Engineering, University of Padova, 35131 Padua, Italy
• ISSN：1871-6873

文摘

The paper summarizes the results of an experimental research carried out on three-leaf masonry walls of typical granite stone constructions from the North of Portugal. The research aimed at studying the behaviour under compression of this wall typology, as well as the improvements introduced by common strengthening techniques applied for the structural rehabilitation of masonry heritage buildings. Ten masonry specimens were tested, plain or strengthened by transversal tying of the external leaves, with GFRP bars, or/and by injection of the inner leaf, with a lime-based grout. The results obtained showed that these strengthening techniques were successful in increasing the compressive strength of the walls and in improving their behaviour under compressive loads.