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.…
Allowable stress design of masonry walls loaded with out-of-plane loads and axial loads are reviewed. Differences in the Allowable Stress design provisions and strength design procedures will be briefly discussed, especially the secondary bending moments.
Learning Objectives:
This introductory course reviews basic allowable stress design concepts. Dr. McGinley presents key differences between allowable stress design and strength design procedures. This session also reviews masonry assemblies and systems, noting their purposes and resistance to primary loads. Attendees will learn about typical masonry building elements and their roles in the overall structural system including walls, beams, columns, and pilasters.…
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.…
Masonry columns and pilasters are often used in masonry buildings to carry large, concentrated loads, and, for pilasters, to support walls subjected to out-of-plane loads. Required detailing of these elements will be reviewed and strength design provisions will be introduced for these elements.…
Shear walls are critical building elements to resist in-plane loads and are, for masonry, the seismic-force-resisting system. This session of the Strength Design of Masonry series reviews strength design of shear walls, along with both seismic detailing requirements and minimum/maximum detailing requirements for such walls.…
During this session, design of masonry walls loaded with out-of-plane loads and axial loads will be reviewed. Methods to consider secondary bending moments will be examined, including using P-delta provisions, and key points on interaction diagrams will be reviewed. Differences in the strength design provisions and allowable stress design will be briefly discussed.…
This session will review the design of masonry beams and lintels, including an examination of whether arching action can be used to reduce the loads on these elements. Deflection calculations will be reviewed, along with detailing requirements to meet code minimum and maximum reinforcement percentages.…
This introductory session will review basic strength design concepts for masonry, noting key differences with procedures for concrete. Masonry assemblies and systems will be briefly reviewed noting their purposes and resistance to primary loads. Individual masonry elements of masonry buildings including walls, beams, columns, and pilasters will then be introduced, related to their roles in the overall structural system to orient attendees for further sessions where the design of these elements will be discussed.…
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.…
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