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Masonry Chronicles
Masonry Chronicles is published four times per year and features articles on structural design, building codes and specifications, testing, inspection and construction.


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THE HISTORY AND SIGNIFICANCE
OF CORING MASONRY WALLS
The genesis of coring masonry walls can be traced back to California Schoolhouse Section Circular No. 10, July 1960 and codified in Article 4 of the 1963 California Administrative Code. The 1963 code required a minimum shear bond between the grout and masonry unit of 0.69 MPa (100 psi). Double-wythe reinforced grouted brick masonry was predominant in school construction and the concept of bond between the masonry unit and grout was a concern. The bond requirement of 0.69 MPa (100 psi) seems to be arbitrary. The 1988 edition of the California Building Code (CBC) modified the minimum bond interface between the grout and masonry unit to m 2.5 f' , or about 0.67 MPa (97 psi) for f’m = 10.3 MPa (1,500 psi).
 
Past Issues
 
Allowable Stress Recalibration in the 2011 TMS 402 Building Code
 
The Impact of Movement Joints on the Structural Design of Reinforced Concrete Masonry Walls
 
HIGH SUPPLEMENTAL CEMENTITIOUS MATERIAL (SCM) GROUT PHASE 2 AND 3 RESEARCH
 
CONCENTRATED LOADS ON MASONRY WALLS
 
Openings in Concrete Masonry Walls (Part III): Out-of-Plane Forces
 
Design of Anchor Bolts in Concrete Masonry
 
Going Green with Concrete Masonry Grout
 
OPENINGS IN CONCRETE MASONRY (Part II)
 
OPENINGS IN CONCRETE MASONRY
 
Green Building and Concrete Masonry
 
Reinforcement Development and Lap Splices in Reinforced Concrete Masonry
 
Compliance with f’m
 
Maximum Reinforcement and Ductility in Concrete Masonry Shear Walls

 
The Comparison of 2006 IBC and 1997 UBC Provisions for the Shear Resistance of Concrete
 
The Effects of Axial Load on the Strength Design of Slender Out-of-Plane Concrete Masonry Walls
 
Comparison of the Effects of Axial Load on Out-of-Plane Slender Walls: Allowable Stress Design
 
Comparison of the 2006 IBC and 1997 UBC Provisions for the Design of Shear Walls Subjected to In-Plane Axial and Flexural Loads

 
California DSA/SS & OSHPD Requirements for Masonry: An Example of Enhanced Masonry Design
 
Quality Assurance of Concrete Masonry: 1997 UBC vs. 2006 IBC

 
Anchorage of Concrete Masonry Elements
 
Concrete Masonry and the Boom in Mid-Rise Residential Construction

 
Earth Rain Wind and Fire Valuing Nature's Gifts.
 
In-Place Testing of CMU Walls Another Alternative

 
Hot Weather Masonry Construction Limiting Your Exposure

 
Out- of-Plane Design of Masonry Walls
 
Examples to Illustrate the Differences Between the 1997 UBC and the 2002 MSJC Code Part II:In-Plane Loads on Masonry Walls

 
Examples to Illustrate the Differences Between the 1997 UBC and the 2002 MSJC Code Part I:Out-of-Plane Loads on Masonry Walls

 
Comparison of the 1997 UBC and the 2002 MSJC

 
Movement Control Joints
 
Shrinkage Cracks in Concrete Masonry
 
Rigidity Calculations for Walls with Openings
 
Design of Masonry Piers
 
Codes and Specifications Understanding and Working through the Maze Testing, Inspection and Construction- Part III
 
Codes and Specifications Understanding and Working through the Maze Structural Design Provisions - Part II
 
Codes and Specifications Understanding and Working through the Maze Material and Product Standards - Part I
 
Masonry Shear Walls Reflect Beautiful Structural Engineering

 
concrete masonry association of California and Nevada (CMACN), a non profit professional organization established in October 1977, committed to strengthening the masonry industry in California and Nevada.
The 2013 Concrete Masonry Design Awards
Honor Award for Public/Civic, Design Build and Sustainable Design:

Ocean Beach
Comfort Station



The 2013 Concrete Masonry Design Awards
Honor Award for Education and Sustainable Design:
Franklin High School Transformation



The 2013 Concrete Masonry Design Awards
Merit Award for Public/Civic and Sustainable Design:
Santa Monica Beach Rest Rooms

©2007 Concrete Masonry Association of California and Nevada