Priestley emphasizes actual structural design, not analysis, of multistory buildings for seismic resistance. This tek provides a brief overview of the variety of materials and construction methods currently applicable to. Pdf seismic design of reinforced concrete and masonry. Properties of concrete concrete is an artificial conglomerate stone made essentially of portland cement, water, and aggregates. Pdf experimental research of hollow concrete block. Most concrete masonry construction is mortared construction, i. A comprehensive guide to concrete masonry construction, this handbook covers units, mortar, grout, layout, applied finishes, construction techniques and maintenance. Concrete hollow block masonry free download as powerpoint presentation. To function as designed however, concrete masonry buildings must be constructed properly. Mortar for masonry is not cement mix, the material used for. For concrete masonry units 7 58 and 3 58 in height laid with 38 mortar joints, height is measured from center to center of mortar joints. Like the previous version, this handbook contains nine chapters, giving comprehensive coverage to. Pdf the main goal of this study was to evaluate the construction system of a concrete block masonry building in brazil. Section 04232 reinforced concrete block masonry city of san diego, cwp guidelines.
From an environmental standpoint, concrete has a lot to offer the ingredients of concrete water, aggregate, and cement are abundant. They also do not reduce the movement by capillary action wicking of any water that does penetrate the masonry face through cracks or defects in the mortarmasonry. Concrete sealer choosing the best sealers for concrete. Design manual for articulating concrete block acb revetment systems ii it is recommended that the designer analyze the project conditions and determine the appropriate dimension for determining the drag forces f d and safety factors on each project. Of course, all generic details must be modified to the specifics of your project and approved by an architect or engineer prior to use for construction.
Strong emphasis is placed on specific detailing requirements for construction. Introduction to concrete concretess versatility, durability, sustainability, and economy have made it the worldss most widely used construction material. When a good concrete sealant is used, maintenance is easywash the driveway or patio with soap and water, or a degreaser designed for use on cement, and apply a fresh coat of sealer about every three years. All concrete blocks for any project shall conform to astm. The repairs were based on inconsistent criteria, giving rise to controversy regarding criteria for the repair of cracked concrete and masonry wall buildings. Concrete masonry fire walls provide maximum safety during and after severe fire exposure.
Concrete masonry handbook for architects, engineers, builders by portland cement association. Concrete blocks are a cementbased product and hence acid treatments can often cause etching, fading and streaking on blockwork walls. The 04 editions of masonry standards are the most current, and are referenced by the 2006 national building code and the 2007 b. About four tons of concrete are produced per person per year worldwide and about 1.
Concrete and masonry databook is intended to provide quick reference to a wide variety of design and construction information on these two. Lesson plans for module 28106 masonry safety module two 28106 describes how to identify the common causes of accidents and the hazards associated with masonry tools, equipment, mortar, and concrete. The latexite airport grade driveway filler sealer is the latexite airport grade driveway filler sealer is an asphalt emulsionbased lowvoc formula designed to beautify and protect your blacktop driveway. Schedule of site checks for concrete masonry construction 77 accuracy in building 83 chapter 7 quantities quantities of masonry units and mortar 84 mortar mix quantities of materials 85 examples of calculations for masonry units and mortar in a wall 86 appendix standards, codes of practice and references on the manufacture and use of concrete. Lesson plans for module 28101 introduction to masonry. Creep properties of posttensioned and highrise concrete masonry tek 1804a. Although many home builders use concrete masonry units cmu for foundation walls, home builders attempting more comprehensive use of cmu have many.
The only allinclusive, accessible reference for all aspects of building with masonry and concrete for residential purposes ideal for residential builders, contractors, remodelers, and other professionals part of the complete construction series, this designit, specifyit, and buildit source aids decisionmaking and construction performance by illustrating and explaining the. Test method for evaluating the freezethaw durability of manufactured concrete masonry units and related concrete c 72. Concrete masonry units a concrete masonry unit is a preformed building unit of rectangular shape that is intended for use in the construction of bonded masonry walling. If stronger units are required, specify strength here. The work of this section includes providing concrete masonry work complete, including reinforcing steel, embedded items, and all other appurtenant work. The second edition of the concrete masonry designers handbook is the only handbook to provide information on all the new cen tc125 masonry standards, as well as detailed guidance on design to eurocode 6. Concrete is an ideal medium for recycling waste or industrial byproducts. Lesson plans for module 28101 introduction to masonry module one 28101 provides information about basic masonry materials, tools, techniques, and safety pre cautions. Although the development is expected to include a broad range of. Restoring concrete and masonry walls with quikwall surface bonding cement author. Inspect all materials used in the construction of concrete work at their source, on the job, or both. Building with concrete is not newthis construction method has been used for residential construction in europe for centuries because of its strength and durability.
Structural notes should call out the masonry compressive strength required and method of compliance, if so, omit this section. Also, health hazard and control information including skin, eye, and. Generally, the mortar thickness between units is about 9. Concrete 1 concrete a composite material that consists essentially of a binding medium, such as a mixture of portland cement and water, within which are embedded particlesorfragmentsofaggregate,usuallyacombination of. The unit masonry shall be capable of achieving a class e rating for water permeance when evaluated using astm e 514 with the test extended to 72 hours, using the rating criteria specified in astm e 514. The proportions between the sorts aggregates and their quantities are establishing in table 5, so the grading curve of the final aggregate could be into the grading zone which was prescript. Concrete masonry structures design and construction. Dont use sea water as it may rust the steel reinforcement in the concrete.
Concrete masonry unit or concrete block or cmu is the most affordable and banal looking thing in the built environment, but also the most versatile building material. This module also provides information about how to pre. Manufacturers of concrete unit masonry browse companies that make concrete unit masonry and view and download their free cad details, revit bim files, specifications and other content relating to concrete unit masonry as well as other product information formated for the architectural community. Masonry basics masonry is a term used to indicate the part of construction that uses brick, concrete block, structural clay tile, and stone. The term concrete refers to a mixture of aggregates, usually sand. Properties of materials for reinforced concrete masonry walls. Properties of mortar for reinforced concrete masonry walls. It was named portland cement because it looked like the. Download seismic design of reinforced concrete and masonry buildings by t. Chemical cleaningacid treatments most mortarremoving chemical cleaners contain acid to help dissolve the cement in the mortar.
Eb008 the sixth edition of pcas concrete masonry handbook for architects, engineers, builders reflects the stateofthepractice for concrete masonry construction presented in a revised layout style. Concrete masonry units 8 movement of concrete masonry aggregate sl sand and gravel 2. Terminology of concrete masonry units and related units c 1262. Concrete and masonry this module covers requirements to protect construction workers from premature removal of formwork, failure to brace masonry walls, failure to support precast panels, inadvertent operation of equipment, and failure to guard reinforcing steel. This book provides a thorough guide for structural engineers on the use of concrete masonry. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and. Macgillivray masonry and general contractors constructed a concrete masonry house in springfield, ohio, which is located approximately 40 miles west of columbus. You only have to look at the egyptian pyramids or greek temples still standing to realize the permanence and enduring beauty of masonry construction. In most cases, one coat provides sufficient protection. The house has concrete masonry exterior walls, a woodframed floor deck over a crawl space, and woodframed interior. It is either solid or hollow and formed from a mixture of cement, aggregate and water.
Concrete is by far the most versatile and most widely used construction material worldwide. Restoring concrete and masonry walls with quikwall surface. The handbook covers all aspects of reinforced concrete masonry construction. The sixth edition of pcas concrete masonry handbook for architects, engineers, builders reflects the stateofthepractice for concrete masonry construction presented in a revised layout style. Table 43 lists the average number of concrete masonry units by size and the approximate number of cubic feet of mortar required for every 100 square feet of a concrete masonry wall. Mortar keeps concrete masonry units apart and keeps them together at the same time. Preface field manual fm 5428 is primarily a training guide and reference text for engineer personnel using concrete and masonry materials in field construction. Because concrete ma sonry is a noncombustible structural material. Brush use a nylonpolyester brush roller use a 12 to 112 nap synthetic cover airless spray. Masonry is the word used to describe walls built out of.
Practice for capping concrete masonry units, related units and masonry prisms for compression. Concrete masonry is a popular building material because of its strength, durability, economy, and its resistance to fire, noise, and insects. Varying the bond or joint pattern of a concrete masonry wall can create a wide variety of interesting and attractive appearances. A variety of example details are available here, ranging from customizable details to illustrative examples, addressing many situations for concrete masonry structures. The use of integral water repellent admixtures in concrete masonry units and mortars can also reduce the amount of water entering the masonry. The best concrete sealer for a driveway, patio, pool deck or walkway is uv resistant, breathable, and slip resistant, even when wet. The house is a 1,300 square foot, singlestory structure. Properties of concrete while cement in one form or another has been around for centuries, the type we use was invented in 1824 in britain. Examples of nonparallel flow conditions are open channel and levees where the. The masonry contractor shall be a member in good standing of the masonry institute of bc, and be qualified under the technical masonry certification tmc program. Recommended practices, focuses on the attachment or installation of foundations, floors, roofs, insulation, utilities, and finishes to concrete masonry walls as well as on special tools and fasteners available for use with concrete masonry. Concrete masonry handbook for architects, engineers, builders. Experimental research of hollow concrete block masonry stress deformations article pdf available in procedia engineering 57. Concrete can be made from local resources and processed near a jobsite.
The house is the first in a 36unit development, which is planned to be completely madeup of concrete masonry homes. Specification for segmental retaining wall units c 1552. Admixtures admixtures are mixed into the concrete to change or alter its properties, ie the time concrete takes to set and harden, or its workability. Pdf a casestudy of concrete masonry building researchgate. Fundamental design principles are presented to create buildings that respond to a wide range of potential seismic. The units are made in a range of sizes, shapes, colours, textures and profiles and are. To help resolve this controversy, the federal emergency management agency fema initiated a project on evaluation and repair of earthquake damaged concrete and masonry wall buildings in 1996. Apply to the dry surface full strength, using a brush, roller, mop or squeegee.