Lesson Tag: Unit 8

Super Flat Floors

Although flat floors have always been the goal of cement masons, concrete slabs have never been truly flat. For many years this was not a problem because small variations in floor surface wereseldom noticed. However, with the advent of VNA (Very Narrow Aisle) technology in warehouses this began to change. VNA technology was an effort …

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Joints in Concrete

A number of factors must be considered when planning where to place joints in a slab, such as the size of the slab, the location of rigid objects, and the slab thickness. You must also decide if the joints will be made as the concrete is placed or cut after the concrete has cured. In this unit you will …

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