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.
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- 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 2.3Example 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.Three samples of fine aggregate were taken from the same stockpile and have the properties shown below. Determine in percentage: (a) total moisture content of each sample, (b) free moisture content of each sample, and (c) the average values of each from the stockpile. Measure Wet Mass (g) Dry Mass (g) Absorption (%) A 521.0 491.6 2.5 Sample B 522.4 491.7 2.4 C 523.4 492.1 2.3
- 1. Calculate the following properties for the data provided in the Table below for a coarse aggregate sample. a. Bulk SSD specific gravity b. Bulk Dry specific gravity A Bulk Dry Sp. Gr. = c. Apparent specific gravity d. Absorption capacity. В — С B Bulk SSD Sp. Gr. = В — С where A Apparent Sp. Gr. = А — С A = dry weight B = SSD weight C = submerged weight В — А (100) A Absorption (%) Weight of Pan + Oven- Dry Aggregate Weight of Pan Weight of Submerged Aggregate Weight of Pan + SD Aggregate 0.8495 Ib 1.9885 lb 0.6870 lb 1.9630 Ib 2. If the Moisture Content of a stockpile sample of the same coarse aggregates is 1.85 %, what is the moisture state of aggregate sample? Select from the four standard moisture states. Explain how you arrived at the answer. 3. If Bulk unit weight of coarse aggerates is 98 Ib/ft³determine the % Voids of dry-rodded aggregate. Youlk S.G(Bulk Dry)*Pwater %Solids * 100 4. Determine the % solids for 2 cases discussed in pre-lab video by using below data.…The specific gravity and absorption test (ASTM C128) were performed on fine aggregate. The following data were obtained.Given:Mass of SSD sand = 400.0 gMass of pycnometer with water = 520.0 gMass of pycnometer with water plus sand = 850.0 gMass of dry sand = 397.0 gRequired:a) absorption, in percentb) free moisture if the sand in the stockpile has a moisture content of 3% bbbbbbbbbbbbbbA saturated aggregate sample with an absolute volume of 5.05x10^-5 m^3 has a mass of 178 g before drying and 139 g after drying in an oven. Assume the water absorption by volume to be 59.18%. Determine the following: a. Specific gravity of the solid particles b. Mass specific gravity c. Void Ratio d. Porosity
- 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.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. 2.899(b) The sample weight of fine aggregate at different conditions are as follows: Sample Weight (g) 260 Condition of aggregate Initial sample Saturated Surface Dry Oven-Dry 240 200 Determine i) Total moisture content ii) Absorption iii) Free moisture content.
- Question 2 Calculate the moisture content and absorption capacity for the following three aggregate samples. Report the moisture state of each aggregate. a) An aggregate sample from a stockpile A has a mass of 19.00 lb. When oven-dried, it has a mass of 17.98 lb. When brought to a saturated surface dry state it has a mass of 19.00 lb. b) An aggregate sample from a stockpile B has a mass of 5.08 kg. When oven-dried, it has a mass of 5.01 kg. When brought to a saturated surface dry state it has a mass of 5.13 kg. c) An aggregate sample from a stockpile C has a mass of 53.98 lb. When oven-dried, it has a mass of 53.22 lb. When brought to a saturated surface dry state it has a mass of 53.54 Ib.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.5) 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