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APPENDIX - D <br />GEOSYNTHE7'IC RETAINING WALL <br />Classes 1 and 21'io�-a�gressivc Environments <br />Note I: May be used for Class I and 2 walls and slopcs in non-aggressive environments. Acceptability of the product for a specific <br />coniract bid item requires that the approved lo�:g-tcrtn gec;ynihetic strengih as listed in Table I below meet or exceed the required long- <br />term sirength specified in tlic contrect. 7'he ultimate teusile strrngih lisled in Table 1 is to be used Tor bt specific acceptance on.e the <br />product arrives at Ihe project si�e. (See Accept;.nce Code 1022) <br />Table l. Long-term and ultimate strengths of geosynthetic products qualified for use in <br />Classes 1 and 2 walls and reinforced slones, non-aearessive environments. <br />Product <br />MD <br />Ref. No. <br />1994-038 <br />1994-038 <br />1994-038 <br />1994-0?8 <br />1994-038 <br />Long-Term <br />Year last �T„i, Strength Reduction <br />Updated (Ib/ft) Factors <br />1994 <br />I994 <br />`Long-Term 'Low Strain <br />Tensile Creep <br />Strength, T,i StiRness, J=� <br />168 <br />274 <br />''1�„i, is dclennincd using ASI'\I DC,G37 li�r gcogrids ancl AST�i D4595 lix geotes�iles. 7'he value providcd in Ihe table represents ihe <br />manulacturer's \linimum Acerage Roll V.�lue (AIAR\') or minimum value �br the produc�. \VSDOT accep�ance test results (or ihe <br />produc� as dclivcrcd lo thc projccl mus� bc grcalcr �hmi or cqual lo ihis valec. <br />' I�,i is dctermined at a design li�c of 75 ycars nnd is based on the MARY or minimum value for T�i, pmvided in this table. <br />'J_.; is the crcep stifTness deiermined at a strain Ievcl of 2".o after I,000 hours of loading, based on the MARV ur ntinimum value for 7'„i, <br />pro�-idcd in �his �ahlc. <br />Itl'i�� = inslnllation damage reduction f:ictor, RP, K— crecp rcductimi f.•ictor, RF�� = durabiliiy reduction factor. <br />\ID �\iachine Direction Qongitudinnl direction), \MD = Cross Machine Direction (tr nsverse direction) <br />D-3 <br />