CM Lab 1 - CVE 474 Construction Materials/ Concrete Lab...

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CVE 474 Construction Materials/ Concrete Lab Experiment #1: Aggregate Lab 4/5/2011 Group #3 Jeff Gable Jon Brate Matt Van Houten Tyler Book Danny Luehrmann
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Abstract: This report describes the six part procedure that was performed to become familiar with the physical properties of fine and coarse aggregate and also to gain knowledge of ASTM standards. The procedure includes a sieve analysis of fine and coarse aggregate, specific gravity and absorption of fine and coarse aggregate, unit weight of coarse aggregate, and moisture content of both aggregates. Properties measured include bulk and apparent specific gravity, absorption capacity, moisture content, fineness module, and unit weight. The properties are important to record and understand because they directly relate to the strength and durability of the concrete. Results are compared with ASTM standards for accuracy.
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Table of Contents I. Introduction of Experiment 1: Aggregate Properties II. Results 1. Part 1: Sieve Analysis of Fine Aggregate (ASTM C136) 2. Part 2: Sieve Analysis of Coarse Aggregate (ASTM C136) 3. Part 3: Specific Gravity and Absorption of Fine Aggregates (ASTM C128) 4. Part 4: Specific Gravity and Absorption of Coarse Aggregates (ASTM C127) 5. Part 5: Unit Weight of Coarse Aggregate (ASTM C29) 6. Part 6: Moisture Content of Aggregate (ASTM C566) III. Discussion and Conclusions IV. Questions to Consider V. References VI. Appendix A Introductory Remarks: Part I: Sieve Analysis of Fine Aggregate
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Part I was performed according to ASTM C136 standards. First, Sieve #’s 4, 8, 16, 30, 50, 100, 200, and a Pan were weighed separately followed by at least 1kg of oven dried fine aggregate. Secondly, each sieve was assembled in proper order from biggest to smallest hole-opening. Then, the properly secured sieves with the fine aggregate sample included were placed in a mechanical shaker for 3 minutes. Following, each sieve was taken apart and weighed to find the amount of fine aggregate retained. Percent retained, passing, and Fineness Modulus were calculated. Original documentation can be found in Appendix A. Part II: Sieve Analysis of Coarse Aggregate Part II was performed according to ASTM C136 standards. First, Sieve’s (inches) 1”, ¾”, ½”,” No. 4, 8, 200, and a Pan were weighed separately followed by at least 1.5kg of oven dried coarse aggregate. Secondly, each sieve was assembled properly with smallest openings on bottom with pan. Then, after being securely assembled the sieves with coarse aggregate sample included were placed in a mechanical shaker for 3 minutes. Following, each sieve was taken apart and weighed to find the amount of coarse aggregate retained. Percent retained, passing, and Fineness Modulus were calculated. Original documentation can be found in Appendix A. Part III: Specific Gravity and Absorption of Fine Aggregate
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CM Lab 1 - CVE 474 Construction Materials/ Concrete Lab...

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