Laserfiche WebLink
NEWFIELDS LLC - C1 LE CREEK PROJECT <br /> MULTI-LAYER INTERFACE DIRECT SHEAR TESTING ASTM D 6243 <br /> Upper Shear Box: Low perm soil(SLF)compacted to 95%of max.standard Proctor dry unit weight at OMC+2% (Ydma,,= 119.9 pcf, OMC= 12.3%)against <br /> Agru 80-mil Microspike LLDPE geomembrane#FND28810010 with dull side up against <br /> Lower Shear Box:DCF aggregate nominally compacted <br /> 40000 70000 <br /> Shear Strength S a R2 <br /> 35000 3A 313 —3C 3D Parameters(') (deg) (psf) <br /> 3E 317 —3G 56000 Peak 23 235 1.000 <br /> 30000 LD 18 475 0.995 <br /> c, O Peak <br /> o, 25000 .042000 ❑ LD <br /> 1;n ---Linear(Peak) <br /> 20000 _- ` Linear(LD) <br /> to � <br /> L <br /> 28000 <br /> � 15000 � <br /> 10000 <br /> 14000 <br /> 5000 <br /> 0 U <br /> 0.0 0.8 1.6 2.4 3.2 II 14000 28000 42000 56000 70000 <br /> Displacement(in.) Normal stress(pst) <br /> Test Shear Normal Shear GCL Soaking Consolidation Low Perm Soil Lower soil GCL Shear Stress Failure <br /> No. Box Size Stress Rate Stress Time Stress Time Ya w7F Ya wi wf w� (Of ip TLD Mode <br /> (in.x in.) S in./min S hour S hOl.lr C� %) ( C� %) % % % s S <br /> 3A 12 x 12 250 0.01 200 24 250 24 113.3 14.9 179 142 (1) <br /> 3B 12 x 12 500 0.01 200 24 500 24 114.2 14.0 326 289 1 <br /> 3C 12 x 12 1000 0.01 200 24 1000 24 113.5 14.7 635 577 1 <br /> 3D 12 x 12 7500 0.01 200 24 7500 24 113.9 14.3 3553 3314 2 <br /> 3E 12 x 12 15000 0.01 200 24 15000 24 113.8 14.4 6800 6220 (2) <br /> 3F 6 x 6 30000 0.01 200 24 30000 24 114.6 13.6 12762 9866 2 <br /> 3G 6 x 6 60000 0.01 1 200 24 1 60000 24 114.5 13.7 - 25403 19540 (2 <br /> NOTES: <br /> (1)Shear failure at the interface between the aggregate and shiny side of Agru 80-mil Microspike. <br /> (2)Shear failure at the interface between the low perm soil and dull side of Agru 80-mil Microspike. <br /> (2)The reported total-stress parameters of friction angle and adhesion were determined from a best-fit line drawn through the test data.Caution should be exercised in using these strength parameters for applications involving <br /> normal stresses outside the range of the stresses covered by the test series. The large-displacement(LD)shear strength was calculated using the shear force measured at the end of the test. <br /> DATE OF REPORT: 5/6/2019 <br /> FIGURE NO. B-2 <br /> �`r am�Wn�v� LLC PROJECT NO. SGI19024 <br /> �/L� DOCUMENT NO. <br /> 0 <br /> FILE NO. <br />