compare the Physical and mechanical properties of aggregate?
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- Example 2: Specific gravity test was conducted for a fine aggregate. If the following data was obtained during the test: - the saturated surface dry weight of the sample = 500 g. %3D - Weight of pycnometer full of water= 750 g - Weight of pycnometer and sample and water= 1050 g. - Oven dry weight of the sample is 475 g. for this aggregate, FIND - The apparent specific gravity. - The bulk specific gravity on an ssd basis. Percentage of absorption.In specific gravity test for coarse aggregate we found the following results: dry weight A= 3008 grams SSD weight B = 3037 grams %3D Submerged weight C=1907 grams The SSD specific gravity Select one: O a. 2.456 O b. 2.877 O c. 2.688 O d. 2.8995) Determine the apparent specifie gravity (G.), dry bulk specific gravity (Guon), SSD bulk specific gravity (Ghessn) and absorption capacity of a fine aggregate sample using the folowing data: • Weight of sample in dry condition: 485 g Weight of sample in SSD condition: 505 g • Weight of pyenometer with the sample and water: 1015 g • Weight of pycnometer with water: 700 g
- Qиestion no.08 The result of specific gravity test is given below Weight of saturated aggregate in water =618gm Weight of oven dry sample = 982 gm Weight of saturated surface dry aggregate = 990 gm (i) Calculate the specific gravity of aggregate?Q2 (a) A specific gravity test was performed on a sample of fine aggregate and produced the following results: Mass of sand (saturated surface dry) = 520g Mass of sand (oven dry) = 510g Mass of pycnometer with full of water = 1550g Mass of pycnometer with sand and water = 1900g i. Calculate the apparent specific gravity of the fine aggregate. ii. Calculate the gross apparent specific gravity of fine aggregate.Three samples of aggregates were taken weighed in moist and dry condition. Moist Dry Unit Unit Absorption Volume Aggregate Wt. Wt. (%) (m³) (kN/m) (kN/m³) Sample 1 23.425 20.018 5.14 0.366 Sample 2 22.7 18.757 3.87 0.695 Sample 3 20.292 18.387 2.62 0.237 Where; Unit weight of water = 9.81 kN/m3 Determine the average free moisture content of the three samples.
- Three samples of aggregates were taken weighed in moist and dry condition. Moist Dry Unit Absorption Volume (m3) Unit Aggregate Wt. Wt. (%) (kN/m3) (kN/m3) Sample 1 23.425 20.018 5.14 0.366 Sample 2 22.7 18.757 3.87 0.695 Sample 3 20.292 18.387 2.62 0.237 Where; Unit weight of water = 9.81 kN/m3 %3D Determine the average free moisture content of the three samples.formed? Q1: B: The specific gravity and absorption test was performed on fine aggregate and the following data were obtained: Mass of SSD sand = 500.0 g Mass of pycnometer with water only = 623.0 g Mass of pycnometer with sand and water= 938.2 g Mass of dry sand = 495.5 g Calculate the specific gravity values (dry bulk, SSD, and apparent) and the absorption of the fine aggregate.Three samples of fine aggregate have the properties shown in Table P5.9. TABLE P5.9 Sample Measure A B Wet Mass (g) 521.0 522.4 523.4 Dry Mass (g) 491.6 491.7 492.1 Absorption (%) 2.5 2.4 2.3 Determine in percentage: (a) total moisture content and (b) free moisture content for each sample and the average of the three samples.
- Three samples of fine aggregate have the properties shown below. Determine in percentage: (a) total moisture content and (b) free moisture content for each sample and the average of the three samples. Table P5.7 Measure Wet Mass (g) Dry Mass (g) Absorption (%) Sample A 521.0 491.6 2.5 B 522.4 491.7 2.4 C 523.4 492.1 2.3Q2 (a) A specific gravity test was performed on a sample of fine aggregate and produced the following results: Mass of sand (saturated surface dry) = 520g Mass of sand (oven dry) = 510g Mass of pycnometer with full of water = 1550g Mass of pycnometer with sand and water = 1900gall 5.21 A sieve analysis test was performed on a sample of aggregate and produced the results shown in Table P5.21. TABLE P5.21 Sieve Size, mm 25 19 12.5 9.5 4.75 2.36 Amount Retained, g 0 376.7 888.4 506.2 1038.4 900.1 live prised 1973 Sieve Size,TBA mm 1.18 0.60 0.30 0.15 0.075 Pan lusta) groads to storic Amount Retained, g 891.5 712.6 625.2 581.5 242.9 44.9 Calculate the percent passing through each sieve. Plot the percent passing versus sieve size on: a. a semilog gradation chart, and b. a 0.45 gradation chart (Figure A.25). What is the maximum size? What is the nominal maximum size?