Atti Soils & Agg. Part 1

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ARIZ 201cCoarse and Fine Sieving

SAMPLE PREPARATION

Obtain a representative sample of the __________________________ (Para. (b). ____ the sample to a free-flowing condition, and break upany ____ in a manner that will ________ the size of any rock.

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amount indicated in the table, dry, clods, not reduce

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ARIZ 201c Coarse and Fine Sieving

SAMPLE PREPARATION

_____ and record the sample to at least the nearest _______.

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Weigh, gram

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ARIZ 201c Coarse and Fine Sieving

COARSE SIEVING

1. Empty the sample into the ___________ that is to be used forscreening material.

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nest of sieves

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ARIZ 201c Coarse and Fine Sieving

COARSE SIEVING

2. The material shall be __________ by hand or in amechanical sieve shaker

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subjected to sieving

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ARIZ 201c Coarse and Fine Sieving

COARSE SIEVING

3. No particles shall be hand __________ for passing any of the nestedsieves.

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manipulated

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ARIZ 201c Coarse and Fine Sieving

COARSE SIEVING

4. Sieve long enough to assure "________________" is achieved

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thoroughness of sieving

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ARIZ 201c Coarse and Fine Sieving COARSE SIEVING

5. ''Thoroughness of sieving" is, not more than __________ by weightof the total sample passes any sieve during ___________ ofcontinuous hand sieving.

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0.5 percent , one minute

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ARIZ 201c Coarse and Fine Sieving COARSE SIEVE

6. Hold the sieve, with a snug fitting pan and cover, in a slightly inclinedposition in one hand. Strike the side of the sieve sharply and with anupward motion against the heel of the other hand at the rate of about___________, turn the sieve about ______ of a revolutionat intervals of about ____ strokes.

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150 times per minute, one-sixth, 25

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ARIZ 201c Coarse and Fine Sieving COARSE SIEVING

7. _________ of sieves shall be avoided. The quantity of material onany sieve at the end of sieving shall not exceed the amount shown inthe ________.

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Overloading, table

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ARIZ 201c Coarse and Fine Sieving COARSE SIEVING

8. Starting with the largest sieve, the material retained on each sieveand in the pan is _______ to at least the nearest_____.

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weighed and recorded, gram

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ARIZ 201c Coarse and Fine Sieving COARSE S

9. If the difference between the sum of the total of the sieve weights(final weight) is less than or equal to ____ of the initial weight,adjust the largest weight retained, except no adjustments shall bemade on the minus No. 4 material. If the difference is _____, the sample shall be recombined, _____, and carefullyreweighed.

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1.0%, greater than 1.0%, resieved

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ARIZ 201c Coarse and Fine Sieving

SAMPLE FOR ELUTRIATION AND FINE SIEVING

1. A representative minimum ______ sample of the passing NO.4material from the coarse sieving shall be obtained by the use of asplitter in accordance with AASHTO T 248.

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500 gram

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ARIZ 201c Coarse and Fine Sieving SAMPLE FOR ELUTRIATION AND FINE SIEVING

2. The sample size may be ______ if 500 grams is not obtained fromcoarse sieving.

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reduced

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ARIZ 201c Coarse and Fine Sieving SAMPLE FOR ELUTRIATION AND FINE SIEVING

3. When utilizing the mechanical washing device, the 500 gram samplemay be reduced to a minimum of _______ for materials that tend to ______________.

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200 grams, clog the No. 200 sieve

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ARIZ 201c Coarse and Fine Sieving SAMPLE FOR ELUTRIATION AND FINE SIEVING

4. The __________ of the sample for elutriation and fine sieving is recordedto the nearest _______ as "Dry Wt. Pass #4 Split".

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weight, gram

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ARIZ 201c Coarse and Fine Sieving MECHANICAL WASHING

1. Fill the washing device with water to the _______ of the windows andplace sample into the device.

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bottom

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ARIZ 201c Coarse and Fine Sieving MECHANICAL WASHING

2. Utilizing the water tube, and air tube if necessary, _____ the samplevigorously enough so that it causes the material to go into______. Taking care that there is no loss of sample by________________

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agitate,

suspension,

splattering or overflowing

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ARIZ 201c Coarse and Fine Sieving MECHANICAL WASHING

3. Washing shall continue until the wash water becomes _______.

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clear

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ARIZ 201c Coarse and Fine Sieving MECHANICAL WASHING

4. Wash the sample into a container large enough to hold the water andsample; allow the particles to settle and _______ the excess water.

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decant

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ARIZ 201c Coarse and Fine Sieving MECHANICAL WASHING

5. ______ the sample to constant weight at a temperature that will notcause the material to be lost due to splattering.

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Dry

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ARIZ 201c Coarse and Fine Sieving MECHANICAL WASHING

6. Allow the sample to cool, reweigh and record to the nearest ________ asthe fine sieve "Total Dry Weight".

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gram

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ARIZ 201c Coarse and Fine Sieving, Handwash

1. Place the sample in a pan large enough to wash without spillage.Cover with water to __________ aggregate. Agitate vigorouslyin order to __________ from the coarserparticles, and to bring the finer material into suspension so that it willbe removed by decantation of the water.

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thoroughly wash, seperate all minus no. 200

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ARIZ 201c Coarse and Fine Sieving, Handwash

2. ________ the wash water through a nest of No. ____ and No. _____ sieves.

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Decant

16

200

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ARIZ 201c Coarse and Fine Sieving, Handwash

3. _____ the washing and decanting cycle until the water becomes________.

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Repeat, clear

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ARIZ 201c Coarse and Fine Sieving, Handwash

4. ___________ all material remaining on the No. ____ and the No._____ sieves and return to the sample.

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Thoroughly wash, 16, 200

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ARIZ 201c Coarse and Fine Sieving, Handwash

5. After the particles have settled in the pan, carefully ________ anyexcess water, assuring that no particles are lost.

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decant

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ARIZ 201c Coarse and Fine Sieving, Handwash

6. Dry sample to constant weight at a temperature that will not causematerial to be ______ due to splattering.

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lost

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ARIZ 201c Coarse and Fine Sieving, Handwash

7. Allow the sample to cool, reweigh and record to the nearest ______ asthe fine sieve "Total Dry Weight".

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gram

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ARIZ 201c Coarse and Fine Sieving

SIEVING OF FINE AGGREGATE

1. _________ the sample into the nest of sieves that is to be used forscreening material.

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Empty

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ARIZ 201c Coarse and Fine Sieving SIEVING OF FINE AGGREGATE

2. The material shall be _____________ by hand or in amechanical sieve shaker.

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subjected to sieving

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ARIZ 201c Coarse and Fine Sieving SIEVING OF FINE AGGREGATE

3. No particles shall be hand __________ for passing any of the nestedsieves

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manipulated

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ARIZ 201c Coarse and Fine Sieving SIEVING OF FINE AGGREGATE

4. Sieve long enough to assure "___________________" is achieved.

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thoroughness of sieving

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ARIZ 201c Coarse and Fine Sieving SIEVING OF FINE AGGREGATE

5. ''Thoroughness of sieving" is, not more than ___________ by weightof the _____ sample passes any sieve during _______________ ofcontinuous hand sieving.

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0.5 percent, total, one minute

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ARIZ 201c Coarse and Fine Sieving SIEVING OF FINE AGGREGATE

6. Overloading of sieves shall be avoided. The quantity of material on agiven sieve at the completion of sieving shall not exceed ____ persquare inch (_____ grams for an 8 inch diameter sieve and ____ grams for a 12 inch sieve).

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4 grams, 201, 452

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ARIZ 201c Coarse and Fine Sieving SIEVING OF FINE AGGREGATE

7. Starting with the largest sieve, the material retained on each sieveand in the pan is ______________ to at least the nearest_______.

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weighed and recorded, gram

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ARIZ 201c Coarse and Fine Sieving, fine agg.

8. If the difference between the sum of the total of the sieve weights(final weight) is less than or equal to _____ of the initial weight,adjust the largest weight retained, except no adjustments shall bemade on the minus No. 200 material. If the difference is greater than1.0%, the sample shall be recombined, ____, and carefullyreweighed.

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1.0%, resieved

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ARIZ 201c Coarse and Fine Sieving, fine agg.

9. The percent passing for each sieve in the coarse sieve analysis isdetermined. Record the sieve factor to at least _____decimal places.The percent passing value for each sieve is recorded in the sieveanalysis to the nearest whole percent.

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six

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ARIZ 201c Coarse and Fine Sieving, fine agg.

10. Determine a factor for the fine sieve analysis by dividing the percentpassing the No. 4 sieve (which has been recorded to the nearestwhole percent) by the "___ Weight of Pass #4 Split", as shown below.Record the fine sieve factor to at least six decimal places.

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Dry

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ARIZ 201c Coarse and Fine Sieving, fine agg.

10. If all thepass No. 4 material from coarse sieving was subjected toelutriation and fine sieving, a fine sieve factor is not determined.Rather, the ____________ is utilized and the calculation ofthe percent passing each sieve is continuous through the entiresieve analysis.

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coarse sieve factor

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AASHTO T 11-05, Materials Finer than No. 200

1. Obtain a representative sample and reduce in accordance withAASHTO _______.

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T 248

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AASHTO T 11-05, Materials Finer than No. 200

2. The size of sample is determined from the ____________.

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table in Para. 6.2

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AASHTO T 11-05, Materials Finer than No. 200

3. Dry the sample to constant mass at ___________ and record weight tothe nearest __________ of the total mass.

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230 ± 9°F

0.1%

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AASHTO T 11-05, Materials Finer than No. 200

4. Place the sample in a pan large enough to wash without spillage.Cover with water to ________ aggregate. _____________usedfor ( Method A). (Add detergent, dispersing agent, or othersubstance wetting agent (Method B)

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thoroughly wash, No degergent

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AASHTO T 11-05, Materials Finer than No. 200

5. Agitate vigorously in order to _______________ materialfrom the coarser particles, and to bring the finer material intosuspension.

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separate all minus No. 200

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AASHTO T 11-05, Materials Finer than No. 200

6.__________ pour the wash water through the nested sieves (No. _____ to No. ______ and a No. ______). Avoid decanting coarser particles.

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Immediately, 8 , 16, 200

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AASHTO T 11-05, Materials Finer than No. 200

7. _________ the washing and decanting cycle until the water becomes_______.

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Repeat, clear

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AASHTO T 11-05, Materials Finer than No. 200

8. _______ all material retained on the nested sieves by _________ to thewashed sample

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Return, Flushing

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AASHTO T 11-05, Materials Finer than No. 200

9. _________ any excess water through the No. 200 sieve.

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Decant

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AASHTO T 11-05, Materials Finer than No. 200

10. Dry the sample to constant mass at __________ and record weight tothe nearest ________ of the total mass.

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230 ± 9°F

0.1%

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AASHTO T 11-05, Materials Finer than No. 200

11. Report the percent of minus No. 200 to the nearest ______%, except ifthe result is _____ or more, then report the minus No. 200 to thenearest whole number.

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0.1% , 10%

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Specific Gravity and Absorption of Coarse Agg.

1. This method covers the determination of specific gravity andabsorption of coarse aggregate. The specific gravity may beexpressed as bulk (O.D.) specific gravity, bulk (SSD) specific gravity[saturated surface dry ], or apparent specific gravity. This method isnot intended to be used with __________.

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lightweight aggregate

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Specific Gravity and Absorption of Coarse Agg.

2. The coarse specific gravity and absorption is normally determined on______ material. When corresponding fine specific gravity andabsorption are determined on -No.8 material in accordance with ARIZ211, the coarse specific gravity and absorption shall be performed on+No.8 material. "Coarse aggregate" as herein referenced will be foreither plus +No.4 or +No.8 material. Coarse specific gravity andabsorption for other than asphaltic concrete friction course, shall bedetermined on +No.4 material".

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+No.4

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Specific Gravity and Absorption of Coarse Agg

1. Sample the aggregate in accordance with Arizona Test Method _______.

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105

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Specific Gravity and Absorption of Coarse Agg

2. A representative test sample of the plus 4.75 mm ___________________________ material with a minimum mass as shown in the table shallbe obtained.

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(No.4) or plus 2.36 mm (No.8)

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Specific Gravity and Absorption of Coarse Agg

1. Thoroughly ______ the test sample to remove dust or other coatingsfrom the surface.

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wash

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Specific Gravity and Absorption of Coarse Agg

_______ the test sample to constant mass at a temperature of 110 ± 5 °C(230 ± 9 °F). Cool in air at room temperature for ___________.

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Dry, 1 to 3 hours

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Specific Gravity and Absorption of Coarse Agg

3. Immerse the aggregate in water at room temperature for a period of_________ hours.

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15 to 19

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Specific Gravity and Absorption of Coarse Agg

4. Remove the test sample from the water and ________ it in a largeabsorbent cloth until all visible films of water are removed from thesurface of the aggregate, wiping the larger particles individually asnecessary

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roll

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Specific Gravity and Absorption of Coarse Agg

5. Immediately determine the mass of the test sample in the saturatedsurface-dry condition and record to at least the nearest _____.

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gram

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Specific Gravity and Absorption of Coarse Agg

6. Then place the test sample in the sample container and determine its_____________ at 23.0 ± 1.7 °C (____________ °F).

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mass in water , 73.4 ± 3.1 °F

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Specific Gravity and Absorption of Coarse Agg

7. Take care to remove all _________ before determining the mass,by shaking the container while immersed. The container shall beimmersed to a depth sufficient to __________ and the test sample duringmass determination.

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entrapped air

cover it

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Specific Gravity and Absorption of Coarse Agg

8. ______ the test sample to constant mass at a temperature of 110 ± 5 °C(230 ± 9 °F). Cool in air at room temperature for 1 to 3 hours. Weighand record the weight to at least the nearest ________.

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dry, gram

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Specific Gravity and Absorption of Coarse Agg

REPORT

1. Report specific gravity results to the nearest _________ unit and theabsorption to the nearest _______%.

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0.001, .01%

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Specific Gravity and Absorption of Fine Agg

1. Obtain a representative approximate ______________ test sample of thefine aggregate.

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1200 gram

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Specific Gravity and Absorption of Fine Agg

2. Dry to constant mass at a temperature of 230 ± 9 °F. (Constant massshall be determined as follows: Dry the sample for a minimum of 1hour at 230 ± 9 °F. Record the weight to the nearest ___ gram.Continue drying and weighing until the weight does not change morethan ____ gram at drying intervals of a minimum of ____.)

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1 hour, nearest 0.1 gram, 0.1 gram, 30 minutes

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Specific Gravity and Absorption of Fine Agg

3. Allow sample to __________ with sufficient water to completelyimmerse it throughout the soaking period, and permit to stand for ________ hours.

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cool and cover, 15 to 19

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Specific Gravity and Absorption of Fine Agg

4. _________ excess water with care to avoid loss of fines, spread thesample on a flat _________ surface exposed to a gently movingcurrent of ambient or warm air, and stir frequently to securehomogeneous drying.

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Decant, nonabsorbent

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Specific Gravity and Absorption of Fine Agg

5. Continue drying until the sample approaches a _______________. As the material begins to dry, it may be necessary to workit with the hands to _____________ any, lumps, or balls of material.

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free-flowing condition, break up

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Specific Gravity and Absorption of Fine Agg

6. It is intended that the _________ will be made with some surface waterin the sample. Continue drying with constant stirring, and test atfrequent intervals until the sample has reached a surface-drycondition.

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first trial

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Specific Gravity and Absorption of Fine Agg

7. If the first trial indicates that moisture is not present on the surface,thoroughly mix a ___________ with the sample and letstand in a covered container for _______. Then resume drying andtesting at frequent intervals for the onset of the surface-dry condition.

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few milliliters of water, 30 minutes

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Specific Gravity and Absorption of Fine Agg

8. With one hand, hold the mold firmly on a smooth nonabsorbentsurface. With the other hand, loosely fill the mold until overflowingand heaping above the top of the mold. Lightly tamp the sample intothe mold with ___ drops of the tamper. Each drop should start about____ inch above the top surface of the sample. _____ the height tothe new surface after each drop and distribute the drops over thesurface.

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25, 0.2 inch, adjust

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Specific Gravity and Absorption of Fine Agg

9. Remove loose material from around the base, and lift the moldvertically. When the fine aggregate _________, it indicates that ithas reached a _________ condition.

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slumps slightly, surface-dry

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Specific Gravity & Absorption Fine Agg,Procedure

1. The pycnometer shall be calibrated at __________ °F by determiningthe mass of pycnometer filled with water to the calibration mark to thenearest ______ grams.

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73.4 ± 3.1

0.1 grams

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Specific Gravity & Absorption Fine Agg,Procedure

2. Obtain a representative _______ gram sample of the saturatedsurface-dry fine aggregate. Immediately record the weight of thesample to the nearest _______ gram.

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500 ± 10

0.1 grams

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Specific Gravity & Absorption Fine Agg,Procedure

3. Partially fill the pycnometer with water. Introduce the sample and fillwith water to about __________. Roll and agitate to eliminate all airbubbles. Add sufficient water to bring the water to its calibratedcapacity.

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90 percent

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Specific Gravity & Absorption Fine Agg,Procedure

4. Adjust its temperature to _________ °F. Dry the inside neck ofpycnometer just above the calibration level. Determine and record themass of the pycnometer, sample, and water to the nearest______ gram.

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73.4 ± 3.1

0.1 gram

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Specific Gravity & Absorption Fine Agg,Procedure

5. Adding a few drops of __________ has been found useful indispersing foam on the water surface.

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99% alcohol

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Specific Gravity & Absorption Fine Agg,Procedure

6. Remove the fine aggregate from the pycnometer and dry to __________ at a temperature of _________. Cool in air at room temperaturefor ________ hours. Determine and record the mass to the nearest____ gram.

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constant mass, 230 ± 9 °F , 1.0 ± 0.5

0.1 gram

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Specific Gravity & Absorption Fine Agg,Procedure

7. In lieu of removing the sample from the pycnometer, a _______ may be used to determine the oven dry weight. This samplemust be obtained-at-- the same time and shall weigh within ______ of the sample which is introduced into the pycnometer.

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second portion, ± 0.2 grams

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Specific Gravity & Absorption Fine Agg, Report

1. Report specific gravity results to the nearest _______, and report theabsorption result to the nearest ______%.

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0.001

.01%