Concept explainers
The time after which the town will require a new landfill.

Answer to Problem 2.1P
The time after which town will require a new landfill is
Explanation of Solution
Given:
The population is
The industrial waste produced is
The estimated life of landfill is
Concept used:
Write the expression to calculate the amount of waste generated by the residents per day.
Here, waste generated per capita per day is
Write the expression to calculate the capacity of landfill.
Here, the capacity of landfill is
Write the expression for total waste generated per day.
Here, the total waste generated per day is
Write the expression for life of landfill.
Calculations:
Assume the waste generation rate per-capita is
Calculate the amount of waste generated by the resident per day.
Substitute
Calculate the capacity of landfill.
Substitute
Calculate the total waste generated per day.
Substitute
Calculate the life of the landfill.
Substitute
Conclusion:
Thus, the time after which town will require a new landfill is
Want to see more full solutions like this?
Chapter 2 Solutions
Solid Waste Engineering: A Global Perspective, Si Edition
- Q2. Find the support reactions at A and F for the given structure in Fig.(2). 80kN-m 2 kN 1 m 2 m Im 1 m 2 m Fig. (2)arrow_forwardA continuous foundation is shown in Figure 1. If the load eccentricity, e = 0.5 meter. Determine the ultimate load Qult per unit length of the foundation. Use Mayerhof’s effective area method. Given B = 2 meter, Df = 2.0 meter , ϕ = 40 , c’ = 0 kN/m3, γ = 16.5 kN/m3 . Calculate also the Factor of Safety for the shallow foundation.arrow_forwardA simply supported beam is subjected to the end couples (bending is about the strong axis) and the axial load shown in the figure below. These moments and axial load are from service loads and consist of equal parts dead load and live load. Lateral support is provided only at the ends. Neglect the weight of the beam and investigate this member as a beam-column. Use Fy that P40 k and M = 68 ft-k. For W10 × 33: I = 171 in.4; 10 ft and C₁ = 1.0: Mn = 134 ft-kips and Mn/₁ = 89.3 ft-kips; = 50 ksi. Suppose for Lb for Lc - = 10 ft: Pn 330 kips and Pr/c = 220 kips. W10 X 33 P M M 10' Pu A) + Ферп 9 a. Use LRFD. Select the interaction formula: Mur 84, Mnz Muy + <1.0 Фь Мпу Pu Mur Muy B) + + ≤ 1.0 20c Pn Фь Мих nx ФоМпу -Select- ✓ Compute the interaction formula. (Express your answer to three significant figures.) -Select- 1.0 This member is -Select- b. Use ASD. Select the interaction formula: Ра 8 Max May A) + + <1.0 Pn/c Mnx/b Mny/b Pa Max May B) + + 1.0 2Pn/c Mnx/b Mny/b -Select- Compute the…arrow_forward
- Determine whether the given member satisfies the appropriate AISC interaction equation. Do not consider moment amplification. The loads are 50% dead load and 50% live load. Bending is about the x axis, and the steel is ASTM A992. Suppose that P = 280 k. For W12 x 106 with Fy = 50 ksi and Lc = 14 feet: Ферп 1130 kips, Pn/Sc = 755 kips, Mn = 597 ft-kips, Mn/₁ = 397 ft-kips. P 240 ft-k W12 X 106 14' K₁ = Ky = 1.0 240 ft-k a. Use LRFD. P Determine the factored axial compressive load and the factored bending moment. (Express your answers to three significant figures.) P₁ = Mu = kips ft-kips Select the interaction formula: P₁ A) + Мих Muy + ≤1.0 Ферп 9 Фь Мих of Mny Pu Мих Muy B) + 20c Pn Mnz + <1.0 Фь Мпу -Select- Compute the interaction formula. (Express your answer to three significant figures.) -Select- 1.0 This member -Select- b. Use ASD. the AISC Specification. Determine the total axial compressive load and the maximum bending moment. (Express your answers to three significant…arrow_forwardRefer to the following figure: K 6 m T 0.25 H 0.75 H 1 m A c,O,Y 3 m B 2 m 1 m C Figure Peck's (1969) apparent-pressure envelope for cuts in soft to medium clay Given: y = 17.5 kN/m³, c = 30 kN/m², 6 = 0, and center-to-center spacing of struts in the plan = 5 m. Determine the sheet-pile section modulus for the braced cut. Use all = 150 MN/m². (Enter your answer to three significant figures.) S = ×105 m³/marrow_forwardRefer to the braced cut shown in the following figure: -3.5 m 1 m A Sand Y,',c' 2 m B 2 m C 1.5 m Given: γ · = 21 kN/m³, ′ = 40°, and c' = 0. The struts are located at 4 m center-to-center in the plan. Determine the strut loads at levels A, B, and C. (Enter your answers to three significant figures.) PA = kN PB = kN Pc kNarrow_forward
- Refer to the following figures: 6 m 0.25 H 0.75 H 3 m 2 m 1 m A с.ф.у 1 m B Figure Peck's (1969) apparent-pressure envelope for cuts in soft to medium clay Given: y = 18.4 kN/m³, c = 30 kN/m², p = 0, and center-to-center spacing of struts in the plan = 5 m. Determine the strut loads at levels A, B, and C. (Enter your answers to three significant figures.) PA= kN PB = kN Pc= kNarrow_forwardRefer to the following figure: 6 m 3 m 2 m 1 m A c,φ,γ 1 m B Given: y = 17.9 kN/m³, c = 60 kN/m², 6 = 0, and center-to-center spacing of struts in the plan = 5 m. The length of the cut is 12.5 m. Determine the factor of safety against bottom heave for the braced cut. Use the equation CNC (1+0.25) FS = զ с x + H B' :) H (Enter your answer to three significant figures.) FS =arrow_forwardGiven Data Initial Road Design: • Design speed: 85 km/h • • Radius of both circular arcs: R = 845 m = 0.44 m/s³ = 250 m • Rate of gain of radial acceleration on all transitions: q Length of straight section between the curves: Lstr Redesigned Road: New design speed: 120 km/h • New radius: R' = 2500 marrow_forward
- Kindly answer correctly. Do not use AI.Please show the following:A diagram showing your understanding of each part of each question;Show your method of solving it; andCorrect solutions.arrow_forwardKindly show all the steps including a diagram.arrow_forward4-7 Nitrogen (molecular weight 28) expands reversibly in perfectly thermally insulated cylinder from 3.5bar, 200°C to a volume of 0.09m. If the initial volume occupied was 0.03m³, calculate the work done during the expansion. Assume nitrogen to be perfect gas and take Cv = 0.741kJ/kg.K (9.31kJ) 4-8 1kg of air at 1.02bar, 20°C is compressed reversibly according to a law p.V¹³ = const., to a pressure of 5.5bar. Calculate the work done on the air and the heat flow to or from the cylinder walls during the compression. (133.5kJ/kg; -33.38kJ/kg)arrow_forward
- Solid Waste EngineeringCivil EngineeringISBN:9781305635203Author:Worrell, William A.Publisher:Cengage Learning,Engineering Fundamentals: An Introduction to Engi...Civil EngineeringISBN:9781305084766Author:Saeed MoaveniPublisher:Cengage Learning


