The percent voids in mineral aggregate (VMA) and percent air voids (Vv) in a compacted cylindrical bituminous mix specimen are 15 and 4.5 respectively. The percent voids filled with bitumen (VFB) for this specimen is:
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- 19 docs.google.com/forms subjected to stress, it breaks with little elastic deformation and without significant plastic deformation True False - Tensile stress to bars, column , etc lead to shortening this sample. True False - Semi hydraulic lime is an intermediate between Dolomatic and Hydraulic lime True False العربية الإنجليزية ...The percent voids in mineral aggregate (VMA) and percent air voids (Vy) in a compacted cylindrical bituminous mix specimen are 15 and 4.5 respectively. The percent voids filled with bitumen (VFB) for this specimen is: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 objective of the consolidation step is to achieve maximum particle packing and uniformity, so that minimum shrinkage and retained porosity will result during densification. Uniform particle size does not produce good packing. Adding particles of a size equivalent to the smallest voids reduces the pore volume to how much? O a. 23% O b. 52% О с. O d. 12% 40%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. 2.899Choose the correct answer 1) Which type of aggregates gives good stability? a. Round b. Flaky c. Angular 2) Select the correct statement. a-Reduce thickness is one of the reasons of stabilize b-When the quality increase, the thickness is reduce e-If the layer has a high K-value,above layer shall has smaller thickness d. All of the above 4. Which of the following grade of bitumen is harder? b. 60/70 a. 40/50 c. 80/100 d. Cubic 3. The surface of the pavement should be a. Smooth b. Rough c. Sufficient enough to resist skid d. All the above acceptable e. All of them d. All are equal 5) If the soil characteristics, as subgrade, % passing 0.075 mm sieve = 30, % passing 0.425 mm sieve = 55, % L.L = 42, % P.L = 33. The Group Index equal a. Zero b. 1.0 c. 1.5 d. 2.0 e. 2.5 6. Rapid curing cut back bitumen is produced by blending bitumen with... a. Kerosene b. Gasoline c. Diesel d. Emulsion c- #4 7. Asphalt binders become harder (more viscous) as their temperature decreases and less soft (less…
- A sieve analysis test was conducted for sample of fine aggregate and obtained the results as shown in Table Q1. Calculate the percent passing of each sieve and classify the fineness of fine aggregate based on fineness modulus analysis. (c)A 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. PorosityIn a Marshall sample, the bulk specific gravity of mix and aggregates are 2.324 and 2.546 respectively. The sample includes 5% of bitumen (by total weight of mix) of specific gravity 1.1. The theoretical maximuim specific gravity of mix is 2.44. The void filled with bitumen (VFB) in the Marshall sample (in %) is_
- The height of the capillary rise of water increases as particle diameter increases True O False O Normal fault is generated by compressive force True O False O The porosity is the ratio of void volume to total volume True O False OSieve analysis test for fine aggregates was performed on a sample of fine aggregates and produced the following results: a. Calculate the percent passing through each sieve. b. Plot the percent finer in a semi-log gradation chart. c. What is the maximum aggregate size of the sample? d. What is the nominal maximum aggregate size of the sample? e. What is the fineness modulus? Is it in typical range? 0.18 0.15 (No. (3/8) INo. 41 (INo. 6) (No. 8)|(No. 10) (No. 16) (No. 20)|INo. 30)|(No. 40)|(No. So) (No. 60)|(No. 80) 100) Sieve Size, 9.5 4.75 3.35 2.36 2.00 1.18 0.85 0.60 0.425 0.30 0.25 0.075 Pan mm (in) (No. 200) Amount 25 59 75 86 115 136 169 192 225 198 173 112 90 33 12 Retained,which type of bituminous materials used in the selected zone (colored in green ) shown in figure below * Aggregate Base or Subbase