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• <br />TABLE 3.4.A.11 <br />ROOF AND FLOOR MECHANICAL PROPERTY SUMMARY <br />r~ <br />April 1989 <br /> Uniaxial "Brazilian" Elastic <br /> Compressive Tensile Modti~lus Poisson's <br /> Strength Strength Ratio <br /> (psi) (psi) (psi x 106) <br />+Seam Roof 4,000-24,000+ 500-2,840+ 1.25-10.9+ .02-.18+ <br /> 11,600x 1,620x 4.29x .13x <br />E Seam Floor 1,000-20,000 235-1,683 0.57.-4.10 .02-.13 <br /> 10,000 1,293 1.70 .08 <br />E Seam Roof 2,000-18,000 890-1,120 0.60-2.35 .04-.31 <br /> 9,670 976 1.32 .15 <br />E Seam Floor 2,000-15,000 740 0.44-4.11 .05-.21 <br /> 7,775 (1 test) 1.74 .13 <br />B Seam Roof 1,000-22,000 855-1,160 0.33-3.18 .05-.24 <br /> 9,570 1,068 1.36 .12 <br />B Seam Floor 2,000-12,000 1,130-1,300 .0?.4-1.65 -- <br /> 6,900 1,297 1.25 -- <br />i = Range <br />x = Average <br />• <br />