Laserfiche WebLink
Transit Mix Concrete Co. Materials Laboratory <br /> 444 ra$I Castilla A%rnuc 25"c I Ilk%!:h Cast <br /> Colorado Springs,Cnlaradu 80903 I'ueb:a,C.durado 31C0' <br /> in, (719)-(75.0700 rat(719)-(75-0126 1' (-I-)5437P98 fat(71")5S3.0345 <br /> April 17,2017 <br /> RE: No.57/67 Coarse Concrete Aggregate <br /> Grisenti Aggregate Pit <br /> Fremont County, CO <br /> Gentlemen.- <br /> This letter presents the results of physical properties and deleterious substances tests performed on or coarse <br /> aggregate that was sampled on Morch 20, 2017 at Grisenti Aggregate Pit. <br /> The results are as follows: <br /> Sieve Size Percent Passing Specifications <br /> No. 57 No.67 <br /> 37.5 mm, 1 1/2" 100 100 ---- <br /> 25.0 mm, 1" 100 95- 100 100 <br /> 19.0 mm,3/4" 9 1 A ---- 90- 100 <br /> 12.5mm, 1/2" 41.1 25-60 ---- <br /> 9.5 mm,3/8" 20.5 ---- 20-55 <br /> 4.75 mm,No.4 3.3 0- 10 0- 10 <br /> 2.36 mm, No,8 1.3 0-5 0-5 <br /> 75 um, No.200 (ASTM C 117) 0.5 0-1.5 0- 1.5 <br /> Los Angeles Abrasion (Grading B): 31.0% Loss AASHTO T-96 <br /> Bulk Specific Gravity (SSD): 2.64 Absorption: 0,9% AASHTO 1-85 <br /> Magnesium Sulfate Soundness )Five Cycles): 3.2% Loss AASHTO T-104 <br /> Clay Lumps and Friable Particles: 0.1 ro AASHTO T-112 <br /> Fractured Particles(2 Fractured Faces): 76.5% <br /> Organic Impurities: Clear AASHTO T-21 <br /> Bulk Density by Rodding: 98 Ib/ft' voids: 40% AASHTO T-19 <br /> morior Bar Expansion (ASR @ 16 Days) -Sodium Hydroxide: 0.07ilu ASTM C 1567 <br /> The above sample was tested according to American Society for Testing and Materials (ASTM) procedures <br /> D-75, D-5821, C-702, C-117,C-136, C-33,C-40,C-142,C-88,C-1127. C-131,C-29 and <br /> C-1567.AASHTO designations are for cross-reference only, <br /> The obove sample conforms to the requirements of ASTM C 33,TABLE 3,Limits for Deleterious Substances <br /> and Physical Property P,equ;rements of Coarse Aggregate for Concrete, (15. 2S,3S, 4S, 5S, IM, 2m, 3M, 4M, <br /> 5,M. I N and 2N). <br /> If you hove any questions feel free to contact me a' your earliest convenience, <br /> Pespectfu'y Sub mitted qp L/ <br /> Pszczolko ski q :' $0 <br /> Aggregate Quolity o ` of Manager <br /> / y(0NAL t1 <br />