1.1 These test methods cover procedures for the determination of the average in situ mortar joint shear strength index in existing unreinforced solid-unit and ungrouted hollow-unit masonry built with clay or concrete units. Three methods are provided:
1.1.1 Method A (with Flatjacks Controlling Normal Compressive Stress)-For determining mortar joint shear strength index when the state of normal compressive stress at the test site is controlled during the test using the flatjack method described in Test Method C1197. Horizontal displacement of the test unit is monitored throughout the test. The test setup for Method A is shown in Fig. 1.
FIG. 1 Test Setup-Method A
Product Details
- Published:
- 12/01/2022
- Number of Pages:
- 8
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