Three samples of fine aggregate have the properties shown in Table. 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 in Table.
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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- 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.…SURFACE MOISTURE OF FINE AND COARSE AGGREGATE Pycnometer or Flash Method make up computation, make one Mass of specimen (S) Mass of pycnometer + water (C) Mass of pycnometer + water + specimen (W) Mass of displaced water (V) Specific Gravity, G 2.86 D = S/G % surface moisturempt=541762&cmid%3D103601 Marks 25 Question 1 A sample of AL Batina soil tested in the laboratory. The gradation analysis results are as shown in table Q1. The Atterberg limit tests indicate that the liquid limit is LL = 30% and the plastic limit is PL=27%. Table Q1 Sieve No.# Sieve size (mm) Finer (%) 4 4.75 90 8. 2.36 84 16 1.3 60 30 0.6 30 50 0.2 10 200 0.075 8 i. Determine the uniformity coefficient Marks] ii. Determine curvature coefficient [5 [5 Marks] iii. Classify AL Batina soil according to Unified Soil Classification System (USCS). [10 Marks] iv. Determine the group symbol and group name Marks) [5
- 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.For Sample A: -Plot the grading curve. -Identify the type of gradation. -Determine the fineness modulus.
- 7. Find the grain-size (gradation) distribution of the following: a. Original dry mass of sample 600 g b. The sample was then washed and graded. The weigh retained in each sieve is provided below. i. Retained in No. 16 (1.18 mm) ii. Retained in No. 100 (150 μm) iii. Retained in No. 200 (75 μm) iv. Retained in Pan 305.3 g 127.9g 76.4g 3.8g c. How would you classify this aggregate? Please select one from the list below and justify your answer a.- Open graded b.- Well graded c.- Gap graded1) Two aggregates (Al and A2) were obtained from the field. A sieve analysis was performed on each sample. Data was obtained for each of the aggregates and is presented in the table below. Table 1. Results from sieve analysis. Sieve Size Opening (mm) Weight of Aggregate retained (g) A1 A2 3/8" 9.5 No. 4 4.75 65 No. 8 2.36 70 32 No. 16 1.18 92 391 No. 30 0.6 10 42 No. 50 0.3 118 20 No. 100 0.15 70 15 Pan 75 a) Plot the grading curve for each aggregate (x-axis: sieve opening, y-axis: %passing). (Note: In the grading curves, you must show all data points. Please use a ruler.) b) Determine the fineness modulus (FM) for Al and A2. Indicate which aggregate is coarser and which is finer. 5EEהסה JaThe resistance to membrane expansion (i.e., the results of the dilatometer test that relate to the total soil pressure against the blade). What is the basic information used determine through this?
- Sieve analysis of a sample of fine aggregate resulted in the following data No. Sieve number 4 8 16 30 50 100 Sieve opening (mm) 4.75 2.36 1.18 0.6 0.3 0.15 Weight retained (g) 13 75 120 126 105 61 A) The total weight of the sample, assuming no mass loss during the analysis, is______ (g) a) 505; b) 500; c) 550 B) The half sieve used in the experiment is________. a) No.8; b) No.50; c) none of the above C) The fineness modulus of the aggregate________. a) 6.13; b) 3.16; c) 1.36 D) The average size of the aggregate___________. a) No.30; b) No.4; c) No.16A 1775g of coarse aggregates was soaked for at least 24hours prior to the lab. It is then brought to saturated surface dry condition and weigh 1800g. The weight of the sample+basket when submerged to water was recorded to be 1750g and for oven dry condition sample was found to be 1700g. if the weight of the basket is 500g, determine the specific gravity and absorption of coarse aggregates.A 35 cc volume of core sampler was used in bulk density determination. The fresh soil in thesampler collected in the field weighed 83.5 g was oven dried. After 24 hours of oven drying thesample at 110oC, 20 grams of moisture were removed. Calculate the following: a. Bulk density b. Moisture content at weight basis and volume basis c. Percent pore space if the particle density is 2.63 g/cc d. Percent pore space filled