APPROXIMATE FRACTURE

PROJECT:PREPARED BY:SHEET:DATE:REDI-ROCK INTERNATIONAL1 / 7 BARRIER WALLS WITH REDI-ROCK RETAINING HOLLOW CORE (R-41HC) BLOCKS,FREESTANDING HOLLOW CORE (F-HC) BLOCKS, AND CAST-IN-PLACE CONCRETE INFILLWERE CONSTRUCTED AND TESTED AT THE ASTER BRANDS TEST LAB IN CHARLEVOIX,MICHIGAN. COMPLETE DETAILS ARE PROVIDED IN TEST REPORTS AVAILABLE ON THEWEBSITE, VIEW OF TESTFRONT VIEW OF TESTAPPROXIMATELIMITS OFFRACTUREREDI-ROCK R-41HC AND F-HC BARRIER WALLAPRIL 15, 2021 PROJECT:PREPARED BY:SHEET:DATE:LOADBARRIER WALL STEM(F-HC BLOCKS WITHCAST-IN-PLACECONCRETE INFILL) "14"#6 BENT BARTYPICAL, (3) BARSEVERY 46 18"#6 STRAIGHT BARSTYP., (4) BARS EVERY 46 18"BAR ROTATEDAS SHOWNR-41HC BLOCK WITHSTONE INFILLR-41HC BLOCK WITHCIP CONCRETE INFILL#6 ( mm) STRAIGHT BARDOES NOT EXTENDINTO R-41HC BLOCKAVERAGE EDGE OFPRECAST BLOCK / CIPCONCRETE7"CROSS-SECTIONTOP VIEW(1 BLOCK LENGTH OFWALL SHOWN)#6 ( mm) BARSCONTINUOUS ALONG WALLSPACED 18" (457 mm)VERTICALLYREDI-ROCK INTERNATIONAL

= 0.456 in mw = as fy (d - a/2) = 0.88 x 60,000 x (6.2 - 0.456/2) a simplified sketch of the wall cross section for analysis is as shown: lab testing produced first yield at loads of 14,402 and 12,772 lb, which corresponds to flexural strengths (mw)of 36.0 and 32.0 kip * ft. the wall was tested in an upright position. if friction is

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