Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 4, Problem 4.10P
To determine
The characteristic size as defined by a Rosin-Rammler plot.
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- V. DATA AND TABULATION 1. Depending upon the form of the specifications for use of the material under test, the report shall include the following: 1.1. Total percentage of material passing each sieve, or 1.2. Total percentage of material retained oneach sieve, or 1.3. Percentage ofmaterial retained between consecutive sieves. 2. Report percentages to the nearest wholenumber, except if the percentage passing the 75-um (No. 200) sieveis less than 10 %, it shall be reported to the nearest 0.1%. 3. Report the fineness modulus, when required, to the nearest 0.01. CUMULATIVE CUMULATIVE SIEV AMOUNT AMOUNT PERCENT PERCENT RETAINED, g (b) RETAINED, 9 (a) RETAINED, (c)=(b)*100/TÓT E PASSING SIZ (d)=100 - (c) AL 1% 215 885 3/4 980 1/2 2350 3/8 1190 4. 2205 1985 10 1840 40 1650 100 980 200 660 PAN 60 15000 ТОTAL [7]arrow_forwardAccording to the Worrell and associates, the bulk density of refuse compacted in a landfill without cover ranges from__. lb/yd³. 600 to 900 750-1250 150 to 250 1200 to 1400arrow_forwardQ2: A: Name three methods of asphalt pavement recycling. Which one of them is the predominant method? Briefly summarize this method. B: What is the fiber saturation point? What is the effect of the fiber saturation point on the shrinkage of wood in the different directions? How does this phenomenon affect the properties of lumber?arrow_forward
- (c) Asphalt concrete mixture of AC 14 will be used to construct the wearing course layer. The coarse aggregate, fine aggregate and filler are used as materials to produce the asphalt concrete mixture. The aggregate gradation will be blended to fulfill the gradation limit according to JKR standard specification as shown in Table Q1(c)(i). Based on this statement, conclude the result of sieve analysis test of blended aggregate as shown in Table Q1(c)(ii). I Table Q1(c)(i): Gradation specification for AC 14 mixture BS Sieve Size (mm) Percentage passing by weight 28.0 20.0 14.0 10.0 5.0 3.35 1.18 0.425 0.150 0.075 100 90-100 76-86 50-62 40-54 18-34 12-24 6-14 4-8 I Act Go toarrow_forwardWhat is advection and diffusion? Under what conditions can diffusion become an important or even dominant leakage pathway in landfill? Illustrate with simple calculations and sketches.arrow_forwardReview ASTM D75 and summarize the following:a. Sampling aggregates from conveyer belts.b. Sampling aggregates from stockpiles.c. Sampling aggregates from roadway bases and subbases.d. If the nominal maximum aggregate size is 3/4 in., what is the minimum sample size that needs to be obtained?arrow_forward
- Choose the correct answer Which of following properties of a contaminant are used to examine whether it is a DNAPL? A. Density and viscosity; B. Density and solubility; C. Henry’s law constant; D. all of the above Which of the following is a correct description about stabilization within landfills? A. Stabilization is the process in which gas and leachate in solid waste are produced; B. Stabilization is the process in which inorganics in solid waste is decomposed by microbes; C. Stabilization is the process in which organics in solid waste is decomposed by microbes; D. Stabilization is the process in which heavy metals in solid waste is adsorbed. Ratio of TCE’s partial pressure to TCE’s concentration in water is usually constant at equilibrium. However, the ratio may be changed when which of the following is changed? A. Temperature; B. TCE’s partial pressure; C. TCE’s concentration in water D. all of the above Which of the following can be…arrow_forwardAssume a rough estimate of MSW composition is 60 % of paper (assume cellulose, C6H10O5, moisture content 6%) and 40% food waste (assume sugar, C6H12O6, moisture content 70%). Estimate the HHV using both ultimate analysis and compositional analysis.arrow_forwardif total sample mass of aggregate is 164.9 grams, then the percent passing from sieve size #30 only is equal to ………………arrow_forward
- Describe the features of Municipal solid waste.arrow_forwardWhat is the major difference between high-risk respirable fraction (HRPM) and respirable fraction (RPM)?arrow_forward7. Make a spread sheet blend template program to perform a blend gradation analysis for up to four stockpiles with the ability to produce automatically semilog or power 0.45 gradation charts. Use the table to demonstrate the template, and calculate the fineness modulus for the aggregate D. Aggregate Blend Percent (%) Sieve size (mm) 37.5 25 19 12.5 9.5 4.75 2.36 1.18 0.60 0.30 0.15 0.075 A 20 100 100 95 89 70 10 2 N|N 2 2 2 2 2 B 25 100 100 100 100 82 55 15 55 32 2 1 с 25 Percent Passing 100 100 100 100 100 100 69 55 35 22 15 6 D 30 100 100 100 100 100 100 86 54 34 25 14 5arrow_forward
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Solid Waste EngineeringCivil EngineeringISBN:9781305635203Author:Worrell, William A.Publisher:Cengage Learning,
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ISBN:9781305635203
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Publisher:Cengage Learning,