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Construction for Landscape Architecture by Jamie Liversedge, Robert Holden

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Reinforced concrete

Concrete is strong in compression; in order to make it strong in tension, it is necessary to reinforce it by adding materials such as steel that have a strong tensile strength. It is the incorporation of reinforcing steel that permits concrete to be used for long structural spans, such as bridges, and for roadways or airplane runways when laid in large unit slabs. The main forms of steel reinforcement are steel bars or welded wire mesh, but it is also possible to use wire fibers. Other forms of reinforcement are fibers of glass and plastic, such as monofilament polypropylene and carbon fibre. GRC is glass-reinforced concrete, and is easily and finely molded (with a latex mold, it is used to make imitation rock faces). It is ...

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