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Northlake 635(7)-LR000706
10575 Newkirk Street S u it e 7 8 0 Clark Contractors Report Date: July Off, 2000 Dallas, Texas 75220 1333 Crestside Drive Report ID. No: CG$75 - 2990 9 7 2.8 3 I . I ! I 1 Coppell TX 75019- F A X 972.83 I. 0800 Attention: Gary ZJnberg REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET 1333 Crestside Drive/Coppell, Texas Location: SLAB - SE CORNER GO 5' NO. & 6' WEST Cast Date: 6/1/00 Batch Time: Test Time: 8:30 Specimens Made By: DJ Supplier: BUTLER Ticket No.: 6394 Truck Number: 215 Concrete Mix: 2021 Specified Strength: 4000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143. C231. C138. C1064) Slump: 6 in. Air Content: 3.0 % Density: pcf. Temp.: 85 OF COMPRESSIVE STRENGTHS (ASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days) (in.) (in.2) (lbs.) (l~si} f'c Fracture I 7 6.00 28.27 97,990 3470 Shear 2 7 6.00 28.27 101, 730 3600 Cone Average: 3540 88 3 28 6.00 28.27 119,000 4210 Wedge 4 28 6.00 28.27 119,930 4240 Wedge Average: 4220 106 Patton, Burke & Thompson,.ck.~ ........:.,r,. q~ cc: Concrete Supplier _~', ~ ~ "..xk'~ PLR Construction ~ .-,,-j ~ .........:...~. ............ ...:,,;?' PA?TON, BURKe- & Engineering Consultants~