Tensile strength

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Tensile strength


Once the tensile forces in the reinforcements are known Ti, the armatures section b · t is determined. For metallic bars or strips with allowable stress equal with:



we have:





For geotextiles a problem that occurs in that the fabrics resistance varies from one producer to another. From available ones select one where:


(Strip length b ) ·  (resistance per width unit)  ≥ Ti


rottura geosintetico_EN


The allowable resistance used for sizing is:


The unique safety factor (FS) is the combination of: Fsjoint, Fschemical, Fsbiological, Fsenvironmental damages

                                                 FS = Fsjoint ·Fschemical ·Fsbiological ·Fsenvironmental damages




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