Glass Fiber Reinforced Polymer (GFRP) reinforcement in concrete was first introduced over 25 years ago by way of ACI 440R, but prior to TMS 402/602 2022, no companion guidelines existed for masonry construction. The new Appendix D of TMS 402/602 is a first standard in the U.S.…
This session of the TMS 402/602-22 Night School will review the changes to the provisions in Chapter 7 and Appendix C that effect the seismic design of masonry structures. This will include revisions to the requirements for special reinforced masonry shear walls, changes to the requirements based on the assigned Seismic Design Category, and changes made to the treatment of seismic displacements in the masonry code, including a new deformation compatibility provision.…
This session provides an overview of the major structural changes in TMS 402-22. One of the biggest changes was the introduction of compression-controlled sections in strength design. As a result of this, the maximum reinforcement provisions were deleted except for beams and intermediate and special shear walls under in-plane loads.…
Reinforcement and connectors are essential to ensure a proper load path in masonry buildings. This session will review basic detailing requirements for reinforcement and connectors, and specific requirements for strength design of masonry. Lap length requirements for reinforcement, and design of anchor bolts will be reviewed.…
This lesson covers types of reinforcement used in masonry, including bars, joint reinforcement, anchors and ties. Each type of reinforcement will be explored, and the use in masonry will be identified. The basic placement requirements and protection requirements will be covered.…
This lesson will discuss how reinforcement and grout are placed in masonry walls and special precautions needed to ensure they are properly placed so that the reinforced masonry system performs properly. This includes tolerances on placement of reinforcement, and the cleanliness of spaces to be filled with grout.…
This lesson will review common types of reinforcement, ties and anchors used in masonry along with requirements on their manufacture and use while discussing which ones are preferred and why.
Presenter: Phillip Samblanet, The Masonry Society
Date Presented: September 19, 2019
Credit: 1 PDH / 0.10 CEU
Get all 9 Special Inspection of Structural Masonry lessons at a discounted rate when buying the Special Inspection of Structural Masonry bundle.…
This lesson addresses the movement characteristics of masonry wall systems, and compares the differences between architectural veneer and structural reinforced masonry. Focus is on best practice for design and construction of expansion and control joints to accommodate and/or restrict masonry material movement.…
The design of reinforced masonry shear walls using both the Allowable Stress Design method and the Strength Design method is covered in this lesson. The requirements for both the design for overturning and the design for shear are explained. The prescriptive seismic detailing requirements for each of three reinforced masonry shear walls types, ordinary, intermediate, and special, are explained, with particular attention to special reinforced shear walls.…
Nondestructive evaluation methods are valuable approaches for evaluating conditions of existing masonry construction without causing damage. Masonry strength can also be measured in place using in situ test methods, without resorting to destructive sample removal for laboratory testing. Methods discussed during this lesson include mortar hardness testing, pulse velocity measurements, surface penetrating radar, infrared thermography, flatjack testing, and in situ shear tests, with special emphasis on applying these methods for diagnosing both historic and modern masonry construction.…
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