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Step 7 <br /> • Establish the maximum allowable strain `ZALI) in the liner system. <br /> Note: On liner support applications, it is the state of practice to apply <br /> the Factor of Safety(FS)to.the multiaxial rupture straw" (ZR). Typically <br /> the Factor of Safety(FS)is equal to 2. <br /> T <br /> TALL — R <br /> FS <br /> Step 8 <br /> • Determine the Tensile Strength (TR)required in a single layer ofgeogrid <br /> to support the fining system above the yielding foundation. <br /> Note: The Tensile Strength of the geogrid must be compatible with the <br /> maximum allowable strain (VALL) in the Liner System. <br /> Q at Z-ALL (From Table 2) <br /> TR =2P <br /> ,Vr,92 <br /> Step 9 <br /> • Determine the Long'Perm Allowable Design Strength (LTADS)of the <br /> selected Geogrid. <br /> LTADS = TSTATIrALL <br /> FSCR x FSD x 14 ID x FSS <br /> where <br /> TS.AT'tALL = Short Term Tensile Strength(per GRI GGI)measured at <br /> the maximum allowable strain (t ) <br /> AU <br /> (g) <br />