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ASTM C1197-14a

Historical Revision

Standard Test Method for In Situ Measurement of Masonry Deformability Properties Using the Flatjack Method

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1.1 This test method describes an in situ method for determining the deformation properties of existing unreinforced solid-unit masonry. (See Note 1.) This test method concerns the measurement of in-situ masonry deformability properties in existing masonry by use of thin, bladder-like flatjack devices that are installed in cut mortar joints in the masonry wall. This test method provides a relatively non-destructive means of determining masonry properties.

Note 1: Solid-unit masonry is that built with stone, concrete, or clay units whose net area is equal to or greater than 75 % of the gross area.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


5.1 Deformation and strength properties are measured only on the masonry between flatjacks. Boundary effects of the collar joint behind the wythe tested and adjacent masonry are neglected. In the case of multi-wythe masonry, deformability is estimated only in the wythe in which the flatjack is inserted. Deformability of other wythes may be different.

SDO ASTM: ASTM International
Document Number C1197
Publication Date Dec. 1, 2014
Language en - English
Page Count 6
Revision Level 14a
Supercedes
Committee C15.04
Publish Date Document Id Type View
Dec. 1, 2022 C1197-22 Revision
Dec. 15, 2020 C1197-20E01 Revision
Dec. 15, 2020 C1197-20 Revision
Dec. 1, 2014 C1197-14A Revision
July 1, 2014 C1197-14 Revision
June 1, 2009 C1197-09 Revision
Jan. 1, 2004 C1197-04 Revision
June 10, 2003 C1197-03 Revision
June 10, 1997 C1197-92R97 Reaffirmation