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// CODE SNIPPET

A106.3.3.5 Minimum Quality of Mortar

Existing Building Code 2015 of Idaho > A1 Seismic Strengthening Provisions for Unreinforced Masonry Bearing Wall Buildings > A106 Materials Requirements > A106.3 Existing Unreinforced Masonry > A106.3.3 Testing of Masonry > A106.3.3.5 Minimum Quality of Mortar
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1. Mortar shear test values, Vto, in pounds per square inch (kPa) shall be obtained for each in-place shear test in accordance with the following equation:



2. Individual unreinforced masonry walls with νto consistently less than 30 pounds per square inch (207 kPa) shall be entirely pointed prior to retesting.

3. The mortar shear strength, νt, is the value in pounds per square inch (kPa) that is exceeded by 80 percent of the mortar shear test values,νto.

4. Unreinforced masonry with mortar shear strength, νt,less than 30 pounds per square inch (207 kPa) shall be removed, pointed and retested or shall have its structural function replaced, and shall be anchored to supporting elements in accordance with Sections A106.3.1 and A113.8. When existing mortar in any wythe is pointed to increase its shear strength and is retested, the condition of the mortar in the adjacent bed joints of the inner wythe or wythes and the opposite outer wythe shall be examined for extent of deterioration. The shear strength of any wall class shall be no greater than that of the weakest wythe of that class.

Related Code Sections


A106.3.3.5 Seismic Strengthening Provisions for Unreinforced Masonry Bearing Wall Buildings, Minimum Quality of Mortar
1. Mortar shear test values, V to , in pounds per square inch (kPa) shall be obtained for each in-place shear test in accordance with the following ...
Existing Building Code 2015 of Idaho > A1 Seismic Strengthening Provisions for Unreinforced Masonry Bearing Wall Buildings > A106 Materials Requirements > A106.3 Existing Unreinforced Masonry > A106.3.3 Testing of Masonry > A106.3.3.5 Minimum Quality of Mortar
Section A107 Seismic Strengthening Provisions for Unreinforced Masonry Bearing Wall Buildings, Quality Control
Preparation and mortar pointing shall be performed with special inspection. Exception: At the discretion of the building official, incidental ...
Existing Building Code 2015 of Idaho > A1 Seismic Strengthening Provisions for Unreinforced Masonry Bearing Wall Buildings > A107 Quality Control
2103.2 Masonry, Mortar
Mortar for masonry construction shall comply with Section 2103.2.1, 2103.2.2, 2103.2.3 or 2103.2.4 ...
Building Code 2018 of Idaho > 21 Masonry > 2103 Masonry Construction Materials > 2103.2 Mortar
2103.2 Masonry, Mortar
Mortar for masonry construction shall comply with Section 2103.2.1, 2103.2.2, 2103.2.3 or 2103.2.4 ...
Building Code 2015 of Idaho > 21 Masonry > 2103 Masonry Construction Materials > 2103.2 Mortar
2109.2.4.2 Masonry, Mortar
Mortar for adobe construction shall comply with Sections 2109.2.4.2.1 and 2109.2.4.2.2 ...
Building Code 2018 of Idaho > 21 Masonry > 2109 Empirical Design of Adobe Masonry > 2109.2 Adobe Construction > 2109.2.4 Detailed Requirements > 2109.2.4.2 Mortar
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