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Table 12- Load adjustment factors for 5/8-in.diameter Hilti KH-EZ and KH-EZ CRC in uncracked concrete'2 <br /> Edge distance in shear <br /> Spacing factor Edge distance Spacing factor II to and away Conc.thickness <br /> 5/8-in.KH-EZ in tension factor in tension in shear' 1 toward edge from edge factor in shear4 <br /> uncracked concrete f AN f RN f AV f RV f RV f HV <br /> Embedment in. 3-1/4 4 5 3-1/4 4 5 3-1/4 4 5 3-1/4 4 5 3-1/4 4 5 3-1/4 4 5 <br /> °'° (mm) (83) (102) (127) (83) (102) (127) (83) (102) (127) (83) (102) (127) (83) (102) (127) (83) (102) (127) <br /> 1-3/4 (44) n/a n/a n/a 0.622 0.562 0.514 n/a n/a n/a 1 0.235 0.086 0.0631 0.470 0.173 0.125 n/a n/a n/a <br /> 2 (51) n/a n/a n/a 0.667 0.596 0.540 n/a n/a n/a 0.287 0.106 0.076 0.574 0.211 0.153 n/a n/a n/a <br /> 2-1/2 (64) n/a n/a n/a 0.762 0.667 0.592 n/a n/a n/a 0.401 0.147 0.107 0.762 0.295 0.214 n/a n/a n/a <br /> 3 (76) 0.709 0.665 0.629 0.863 0.741 0.648 0.609 0.556 0.545 0.528 0.194 0.141 0.863 0.388 0.281 n/a n/a n/a <br /> 3-1/2 (89) 0.744 0.693 0.650 0.969 0.8191 0.705 0.627 0.565 0.553 0.665 0.244 0.177 0.969 0.488 0.354 n/a n/a n/a <br /> 16 4 (102) 0.779 0.720 0.672 1.000 0.901 0.764 0.645 0.574 0.560 0.812 0.298 0.216 1.000 0.597 0.433 n/a n/a n/a <br /> U <br /> C 4-1/2 (114) 0.814 0.7481 0.693 0.987 0.826 0.663 0.584 0.568 0.969 0.356 0.258 0.7121 0.516 n/a n/a n/a <br /> 5 (127) 0.849 0.775 0.715 1.000 0.890 0.681 0.593 0.575 1.000 0.417 0.302 0.834 0.605 0.852 n/a n/a <br /> E 5-1/2 (140) 0.884 0.803 0.736 0.956 0.700 0.602 0.583 0.481 0.349 0.962 0.698 0.893 n/a n/a <br /> c�i c 6 (152) 0.918 0.830 0.758 1.000 0.718 0.612 0.590 0.548 0.398 1.000 0.795 0.933 0.668 n/a <br /> c - <br /> f in 5 7 (178) 0.988 0.885 0.801 0.754 0.630 0.605 0.691 0.501 1.000 1.000 0.722 0.648 <br /> � <br /> 8 (203) 1.000 0.940 0.844 0.790 0.649 0.6201 0.844 0.612 0.772 0.693 <br /> a c 9 (229)1 0.995 0.887 0.827 0.667 0.635 1.000 0.730 0.818 0.735 <br /> 2 10 (254) 1.000 0.930 0.863 0.686 0.650 0.855 0.863 0.775 <br /> a) <br /> 11 (279) 0.973 0.899 0.705 0.665 0.987 0.905 0.813 <br /> 12 (305) 1.000 0.935 0.723 0.680 1.000 0.945 0.849 <br /> a 14 (356) 1.0001 0.760 0.710 1 1.000 0.917 <br /> U) 16 (406) 0.798 0.740 0.980 <br /> 18 (457) 0.835 0.770 1.000 <br /> 20 (508)1 0.872 0.800 <br /> 24 (610)1 0.947 0.860 <br /> >30 762 1.000 0.951 <br /> Table 13- Load adjustment factors for 5/8-in.diameter Hilti KH-EZ and KH-EZ CRC in cracked concrete'2 <br /> Edge distance in shear <br /> Spacing factor Edge distance Spacing factor II to and away Conc.thickness <br /> 5/8-in.KH-EZ in tension factor in tension in shear' 1 toward edge from edge factor in shear' <br /> cracked concrete f AN f RN f AV f RV f RV f HV <br /> Embedment in. 3-1/4 4 5 3-1/41 4 5 3-1/4 4 5 3-1/4 4 5 3-1/4 4 5 3-1/4 4 5 <br /> °" (mm) (83) (102) (127) (83) (102) (127) (83) (102) (127) (83) (102) (127) (83) (102) (127) (83) (102) (127) <br /> 1-3/4 (44) n/a n/a n/a 0.630 0.565 0.514 n/a n/a n/a 1 0.267 0.098 0.0711 0.533 0.196 0.142 n/a n/a n/a <br /> 2 (51) n/a n/a n/a 0.676 0.599 0.540 n/a n/a n/a 0.326 0.120 0.0871 0.652 0.239 0.174 n/a n/a n/a <br /> 2-1/2 (64) n/a n/a n/a 0.772 0.670 0.592 n/a n/a n/a 0.455 0.167 0.121 0.772 0.335 0.243 n/a n/a n/a <br /> 3 (76) 0.709 0.665 0.629 0.873 0.745 0.648 0.618 0.561 0.549 0.599 0.220 0.159 0.873 0.440 0.319 n/a n/a n/a <br /> 3-1/2 (89) 0.744 0.693 0.650 0.981 0.8241 0.705 0.638 0.571 0.557 0.7541 0.277 0.201 0.981 0.554 0.402 n/a n/a n/a <br /> 2 4 (102) 0.779 0.720 0.672 1.000 0.906 0.764 0.658 0.581 0.565 0.922 0.339 0.245 1.000 0.677 0.491 n/a n/a n/a <br /> U <br /> 0 4-1/2 (114) 0.814 0.7481 0.693 0.992 0.826 0.678 0.591 0.574 1.000 0.404 0.293 0.8081 0.586 n/a n/a n/a <br /> 5 (127) 0.849 0.775 0.715 1.000 0.890 0.697 0.601 0.582 1.000 0.473 0.343 0.946 0.686 0.888 n/a n/a <br /> E 5-1/2 (140) 0.884 0.803 0.736 0.956 0.717 0.611 0.590 0.546 0.3961 1.000 0.792 0.932 n/a n/a <br /> L) C! 6 (152) 0.918 0.830 0.758 1.000 0.737 0.621 0.598 0.622 0.451 0.902 0.973 0.697 n/a <br /> c -- <br /> 5 �y 7 (178) 0.988 0.885 0.801 0.776 0.642 0.614 0.784 0.568 1.000 1.000 0.753 0.676 <br /> o y 8 (203) 1.000 0.940 0.844 0.816 0.6621 0.631 1 0.958 0.694 0.805 0.723 <br /> 9 (229)1 0.995 0.8871 1 0.855 0.682 0.6471 1.000 0.828 0.854 0.767 <br /> 10 (254) 1.000 0.930 0.895 0.702 0.663 0.970 0.900 0.808 <br /> 11 (279) 0.973 0.934 0.723 0.680 1.000 0.944 0.848 <br /> 12 (305) 1.000 0.974 0.743 0.696 0.986 0.885 <br /> a 14 (356) 1.000 0.783 0.729 1.000 0.956 <br /> (1) 16 (406) 0.824 0.761 1.000 <br /> 18 (457) 0.864 0.794 <br /> 20 (508)1 1 0.9051 0.827 <br /> 24 (610)1 1 0.9861 0.892 <br /> >30 762 1.0001 0.990 <br /> 1 Linear interpolation not permitted. <br /> 2 When combining multiple load adjustment factors(e.g.for a 4 anchor pattern in a corner with thin concrete member)the design can become very conservative. <br /> To optimize the design,use Hilti PROFIS Engineering software or perform anchor calculation using design equations from ACI 318-14 Chapter 17. <br /> 3 Spacing factor reduction in shear,f,assumes an influence of a nearby edge.If no edge exists,then fAv=f AH. <br /> 4 Concrete thickness reduction factor in shear,f Hv assumes an influence of a nearby edge.If no edge exists,then f HV=1.0. <br /> O If a reduction factor value is in a shaded cell,this indicates that this specific edge distance may not be permitted with a certain spacing(or vice versa). <br /> Check with table 5 and figure 2 of this section to calculate permissable edge distance,spacing and concrete thickness combinations. <br /> 8 KWIK HUS-EZ SCREW ANCHOR-July 2020 <br />