Preventing Water Penetration in Below-Grade Concrete Masonry Walls
INTRODUCTION Concrete masonry has traditionally been the material of choice for foundation wall construction. State-of-the-art waterproofing, dampproofing, and drainage systems…
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Design for Dry Single-Wythe Concrete Masonry Walls
INTRODUCTION Single-wythe concrete masonry walls are cost competitive because they provide structural form as well as an attractive and durable…
Water Repellents for Concrete Masonry Walls
INTRODUCTION Water repellents are used on exterior walls to provide resistance to wind-driven rain. In addition, water repellents can also…
Evaluating Existing Concrete Masonry Construction
INTRODUCTION The majority of quality control testing of concrete masonry materials is conducted on samples representative of those used in…
Grout Quality Assurance
INTRODUCTION Two field tests are commonly performed for conventional grout—the slump test and the compressive strength test. Information about types…
Compressive Strength Testing Variables for Concrete Masonry Units
INTRODUCTION Anyone engaged in testing concrete masonry units or prisms, or interpreting test results, should be familiar with testing variables…
Structural Testing of Concrete Masonry Assemblages
STRUCTURAL TESTING OF CONCRETE MASONRY ASSEMBLAGES INTRODUCTION A considerable amount of research has been conducted on concrete masonry units and…
Masonry Mortar Testing
INTRODUCTION Masonry mortars are composed of cementitious materials, aggregates, water, and admixtures when specified. Cementitious materials include portland cement, masonry…
Creep Properties of Post-Tensioned and High-Rise Concrete Masonry
INTRODUCTION Time dependent deformations such as creep are generally only designed for in prestressed (post-tensioned) concrete masonry and high-rise loadbearing…
Concrete Masonry Inspection
INTRODUCTION Concrete masonry is a popular building material in part because of its strength, versatility, durability, economy and resistance to…