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ESR-4143 I Most Widely Accepted and Trusted Page q8 of 82 Page 6 of 20 <br />TABLE 313—ALLOWABLE ADHESIVE BOND SHEAR LOADS FOR THREADED RODS AND REINFORCING BARS IN THE FACE OF <br />GROUT -FILLED CONCRETE MASONRY UNITS (POUNDS)71,7,8,9,10,11,12,13 <br />Spacing' <br />Edge <br />Distance' <br />Anchor <br />Diameter <br />Embedment <br />Load @ <br />Critical, <br />Minimum, <br />Load <br />Critical, <br />Minimum, <br />Load Reduction Factor at c,n;n' <br />(inches) <br />( inches) ' <br />car and Sir <br />Sir <br />Smin <br />Reduction <br />Factor at <br />C°r <br />Cmin <br />Load <br />Load Parallel <br />(inches) <br />(inches) <br />B <br />Smin <br />(inches) <br />(inches) <br />Perpendicular <br />to Edge <br />to Ede <br />3/8 or No. <br />33/8 <br />850 <br />13.5 <br />4 <br />1.00 <br />12 <br />4 <br />0.88 <br />1.00 <br />3 <br />1/2 or No. <br />41/2 <br />1495 <br />18 <br />4 <br />1.00 <br />12 <br />4 <br />0.49 <br />1.00 <br />4 <br />5/8 or No. <br />55/8 <br />2615 <br />22.5 <br />4 <br />0.50 <br />20 <br />4 <br />0.40 <br />0.78 <br />5 <br />3/4 or No. <br />63/4 <br />4090 <br />27 <br />4 <br />0.50 <br />20 <br />4 <br />0.26 <br />0.60 <br />6 <br />For SI: 1 inch = 25.4 mm, 1 Ibf = 4.45 N, 1 psi = 6.89 kPa. <br />The following footnotes apply to both Tables 3A and 3B: <br />1 All values are for anchors installed in fully grouted concrete masonry with minimum masonry strength of 1500 psi. Concrete masonry units must be light-, medium-, <br />or normal -weight conforming to ASTM C90. Allowable loads have been calculated using a safety factor of 5. <br />2 Anchors may be installed in any location in the face of the masonry wall (cell, web, joints). Anchors are limited to one per masonry cell. <br />3 Embedment depth is measured from the outside face of the concrete masonry unit. <br />4 The critical spacing, Scr, is the anchor spacing where full load values in the table may be used. The minimum spacing, Smin, is the minimum anchor spacing for which <br />values are available and installation is recommended. Spacing is measured from the center of one anchor to the center of an adjacent anchor. <br />5 The critical edge distance, Ccr, is the edge distance where full load values in the table may be used. The minimum edge distance, Cmin, is the minimum edge distance <br />for which values are available and installation is permitted. Edge distance is measured from the center of the anchor to the closest edge (See Figure 2). <br />6 Load reduction factors are multiplicative; both spacing and edge distance load reduction factors must be considered. <br />7 Load values for anchors installed at less than $cr and Ca must be multiplied by the appropriate load reduction factor based on actual edge distance (c) or spacing (s). <br />8 Linear interpolation of load values between minimum spacing (Smin) and critical spacing (scr) and between minimum edge distance (Cmin) and critical edge distance <br />(Ccr) is permitted. <br />9 Concrete masonry thickness must be equal to or greater than 1.5 times the anchor embedment depth. EXCEPTION: the 5/8-inch- and the <br />3/4-inch-diameter anchors and No.5 and No. 6 reinforcing bars may be installed in minimum nominally 8-inch-thick concrete masonry. <br />10 When using the basic load combinations in accordance with IBC Section 1605.3.1, tabulated allowable loads must not be increased for seismic or wind loading. <br />When using the alternative basic load combinations in the 2009 IBC Section 1605.3.2 that include seismic or wind loads, tabulated allowable loads may be <br />increased, or the alternative basic load combinations may be reduced according to Table 2. For the 2018, 2015 and 2012 IBC, the allowable loads or load <br />combinations must not be adjusted. <br />11 Allowable loads must be the lesser of the adjusted masonry or bond values tabulated above and the steel values given in Table 10. <br />12 Tabulated allowable bond loads must be adjusted for increased base material temperatures in accordance with Figure 1, as applicable. <br />13 For combined loading, see Section 4.1.2. <br />