It can be seen from Figure 8 b that the elongation at break in the 90° direction of the triaxial geogrid shows a decreasing trend with the increase of the diameter of the pre-punched hole.
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Research on the Mechanical Properties and Stretch Forming Simulation of Triaxial Geogrid with Different Pre-Punched Hole Diameters.
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The sentences
The tensile strength in all directions showed a trend of first increasing and then decreasing.