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Key considerations in the development of ASTM standard specification for mortar for historic structures: materials, test procedures and properties



Title: Key considerations in the development of ASTM standard specification for mortar for historic structures: materials, test procedures and properties
Author(s): M.L. Thomson, J.M. Wathne
Paper category : conference
Book title: Workshop Repair Mortars for Historic Masonry
Editor(s): C. Groot
Print-ISBN: None
e-ISBN: 978-2-35158-083-7
Publisher: RILEM Publications SARL
Publication year: 2009
Pages: 354 - 361
Total Pages: 8
Nb references: 8
Language: English


Abstract: In modern masonry construction in the United States masonry mortar is specified by using a ASTM C 270 Standard Specification for Mortar for Unit masonry. This specification provides a framework for the industry to conduct commerce, understand the nature of the mortar and the test methods to assess the mortar. Mortars for historic structures however cannot be specified using such a specification. This paper will review the efforts of the ASTM C12.03.03 task group to develop a mortar develop a standard specification. The key considerations included are: the nature of the binder and aggregate, curing conditions, and physical properties which include compressive strength, water vapor transmission and ductility.


Online publication: 2009-06-08
Publication type : full_text
Public price (Euros): 0.00