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Lab 5 - Miner Testing Laboratories Missouri S&T...

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Miner Testing Laboratories Missouri S&T Butler-Carlton Hall Rolla, MO 65401 April 1, 2008 Possum Grape Sand and Gravel, Inc. Attn: Rocky Clay Highway 101, Box 000 Possum Grape, AR 72143 RE: Aggregate Acceptance Testing Dear Mr. Clay, Enclosed are the results of the tests performed on the aggregate samples that you sent to Miner Testing Laboratories on March 4, 2008. Batch Calculations: o Water 237 lb / cu yd o Course Aggregate 1546 lb / cu yd o Fine Aggregate 1632 lb / cu yd L.A. Abrasion loss of 32% passed ASTM C33 maximum 50% L.A. Abrasion passed MoDOT maximum of 45% If we can be of further service, please call us at 1-800-277-4258 (1-800-ASPHALT). We look forward to hearing from you again. Sincerely, Miner Testing Laboratories
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CONSTRUCTION MATERIALS CE 216 Section A Laboratory Exercise #5 Gravel Specific Gravity Absorption Dry-Rodded Unit Weight Total moisture Content Los Angeles Abrasion Sand Specific Gravity Absorption Total moisture Content Surface Moisture Content Organic Impurities Squad #1 By: April 2, 2008
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INTRODUCTION This report is in response to the request to verify that materials used at Possum Grape Sand and Gravel, Inc. of Possum Grape, Arkansas, meet the appropriate ASTM, and MoDOT specifications. All materials were sampled by personnel from the Possum Grape operation and delivered to the laboratory, and it is assumed that the specifications in ASTM D75 Standard Methods of Aggregate Sampling were followed. The gravel materials were tested for specific gravity, absorption, dry-rodded unit weight, total moisture content, and Los Angeles Abrasion. The concrete sand was tested for specific gravity, absorption, total moisture content, surface moisture (per ASTM C 70 and ASTM C 128), and organic impurities. It is very important to tightly manage each of these properties because minor changes in properties cause serious differences in aggregate behavior.
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