Topic Category: Book 1

Estimating

Proper planning prior to starting a concrete job will help prevent wasted materials and effort. There are several ways you can estimate the cubic yards of concrete needed for a job, the number of rolls of welded wire fabric, the lineal feet of form lumber, and the number of form stakes needed for a job. These estimates …

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Measuring

Measuring is one of the first basic skills that a cement mason should master.  Accurate measurements are very important. Cement masons should learn to use the correct tools and use them properly. When doing layout work there is no such thing as “good enough” or “close enough.” It should be accurate. Read Book 1 / …

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Surface Defects

In this unit you will review grinding, rubbing, and sacking are just a few of the ways concrete masons correct defects in concrete walls, floors, and ceilings.  Concrete repairs are inevitably necessary in nearly every concrete structure.   Read Book 1 / Unit 13  Review “Words You Should Know”  Watch the video below and answer Video Questions (If any):  …

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Structural Repair

Epoxy injection is one of the most widely used methods of structural repair in the construction industry.  Epoxy adhesives are the most commonly used adhesives for crack repair, and are usually used through the injection process.  Epoxies offer excellent adhesion properties because of relatively low shrinkage during curing, and are also attracted molecularly to a wide variety of substances. Structural composites …

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Fundamental Math

Abrasive blasting is the process of ejecting a stream of abrasive particles from a blast machine using compressed air propelled at high speeds. Abrasive blasting is used for the cleaning, surface preparation and finishing of concrete surfaces.  As a finishing technique, abrasive blasting can produce pleasing, decorative effects, enhancing the visual features of the sandblasted …

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