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A304.2.4 Required Compressive Strength
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New concrete foundations shall have a minimum compressive strength of 2,500 pounds per square inch (17.24 MPa) at 28 days.
Related Code Sections
A304.2.4 Prescriptive Provisions for Seismic Strengthening of Cripple Walls and Sill Plate Anchorage of Light, Woodframe Residential Buildings, Required Compressive Strength
New concrete foundations shall have a minimum compressive strength of 2,500 pounds per square inch (17.24 MPa) at 28 days ...
Existing Building Code 2009 > A3 Prescriptive Provisions for Seismic Strengthening of Cripple Walls and Sill Plate Anchorage of Light, Woodframe Residential Buildings > A304 Strengthening Requirements > A304.2 Foundations > A304.2.4 Required Compressive Strength
2105.2.2.1 Masonry, Unit Strength Method
The compressive strength of masonry shall be determined based on the strength of the units and the type of mortar specified using Table 2105.2.2.1.1 ...
International Building Code 2009 > 21 Masonry > 2105 Quality Assurance > 2105.2 Acceptance Relative to Strength Requirements > 2105.2.2 Determination of Compressive Strength > 2105.2.2.1 Unit Strength Method
2105.2.2.1 Masonry, Unit Strength Method
The determination of compressive strength by the unit strength method shall be in accordance with Section 2105.2.2.1.1 for clay masonry, Section ...
International Building Code 2012 > 21 Masonry > 2105 Quality Assurance > 2105.2 Acceptance Relative to Strength Requirements > 2105.2.2 Determination of Compressive Strength > 2105.2.2.1 Unit Strength Method
2105.2.2.1.2 Masonry, Concrete Masonry
The compressive strength of masonry shall be determined based on the strength of the unit and type of mortar specified using Table 2105.2.2.1.2 ...
International Building Code 2009 > 21 Masonry > 2105 Quality Assurance > 2105.2 Acceptance Relative to Strength Requirements > 2105.2.2 Determination of Compressive Strength > 2105.2.2.1 Unit Strength Method > 2105.2.2.1.2 Concrete Masonry
2105.2.2.1.3 Masonry, AAC Masonry
requirements:
Grout conforms to Article 2.2 of TMS 602/ACI 530.1/ASCE 6.
Minimum grout compressive strength equals or exceeds f ' AAC ...
International Building Code 2012 > 21 Masonry > 2105 Quality Assurance > 2105.2 Acceptance Relative to Strength Requirements > 2105.2.2 Determination of Compressive Strength > 2105.2.2.1 Unit Strength Method > 2105.2.2.1.3 AAC Masonry