Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 8, Problem 8.13P
To determine
The processes that takes place inside a sanitary landfill from a microbiological perspective.
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STRUCTURAL ANALYSIS
A 6m simply supported beam is loaded with a 12 kN-m concentrated moment placed 2m from the left support and a concentrated load of 24 kN located 2m from the right support. The flexural rigidity of the beam is EI.
Calculate the slope of the tangent at the left support.
Determine the rotation at the right support.
Find the deflection at the point of application of concentrated moment.
What is the maximum deflection of the beam?
GROUP 1
Design a simply supported prestressed beam to support a parking space with a harped
tendon using the ACI 318 Building Code allowable stresses.
The span length will be decided by the pair.
The pair has to choose a suitable sustained service live load (from 300-1500plf) and
superimposed dead load (50-150plf) and has no concrete topping.
Assume the beam is made of normal-weight concrete with fc'= 5,000 psi and that the
concrete strength f'ci at transfer is 70 percent of the cylinder strength.
. Also, the pair must assume a justifiable time-dependent loss.
•
Assume that that fu = 260,000 psi for stress-relieved tendons, ft = 12sqrt(fc').
THE PAIR MUST BE ABLE TO DEFEND THE LENGTH OF BEAM, AND THE LOADINGS
APPLIED ON THE BEAM.
DEFEND THE USAGE OF YOUR SELECTED SECTION TYPE
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- A trapezoidal drainage ditch along a highway system has a side slope of 2:1 anda bottom width of 8.0 ft. The ditch is to be used to discharge a flow of 500 ft3/sec.If the ditch slope (longitudinal) is 1.0% and the Manning coefficient is 0.02,determine the minimum depth required for the ditch. Is the flow supercritical orsubcritical? Justify your answer.arrow_forwardDetermine the global stiffness matrix of the beam shown in Fig. 3. Assume supports at 1 and 3 are rollers and the support at 2 is a pinned support. Indicate the degrees of freedom in all the stiffness matrices. EI is constant, w=60kN/m, L1=1.25m and L2=3.45marrow_forwardA simply supported beam ten feet long has a 10 Kip load two feet from the left end. What is the maximum moment in the beam? 8 kip-feet 24 kip-feet 16 kip-feet 20 kip-feetarrow_forward
- The moisture content of wood test was performed according to ASTM D4442 procedure and produced the following data:Weight of specimen in the green (moist) condition = 0.70 lbWeight of oven-dry specimen = 0.45.What is the moisture content in percent (%) of the given wood. 64.3 35.7 46.7 55.6arrow_forwardCalculate ALL nodal displacements and ALL the member forces in the truss. Please use the ID's noted in the truss diagramarrow_forwardQ3. In a water flood operation in reservoir A, water is being distributed to severalinjection wells from a common injection system; that is, water is supplied to all thewells at approximately the same well head pressure. Routine measurement of theindividual well injection rates by the team of field operators showed that one well wasreceiving approximately 45% more than its neighbours. The sum of the kh productsfor all of the injection wells were approximately the same depth. As a member of theteam, explain:What are the possible causes of the abnormally high injection rate in this well, andwhat production logs or other tests might be run to further diagnose the problem andplan remedial action?arrow_forward
- Question 1 20 pts Test data on the bending strength of construction wood poles of various diameter are presented below assuming the same length. Kip- 1000 lbf. Using the following data with 2nd order Newton polynomial interpolation, we want to determine the strength of the material for x=4.5 in. Which data point will be used as x? After you found x0, enter the value of x-xo in the solution. Answer shall be in one decimal place. Distance (in) 2.6 1.5 8.3 2.8 5.7 Strength (kips) 100 200 300 400 500arrow_forwardSolve pleasearrow_forwardsolve all of the last names from A-K to please for example use k=100k/in , m =1000lb/g . use el centro (2nd picture ) to solve the questions. Thank you for your help! for the following questions ignore that last name and just solve it pleae: Verify the modes that are orthogonal Normalize the first mode uisng electro with 2%damping, Determine Sa&Sd only for the first modearrow_forward
- For question 2 do 2% please. Use El centro spectrum to answer the secon question please. Thank you for your help!arrow_forwardsolve pleasearrow_forwardA mechanism for pushing small boxes from an assembly line onto a conveyor belt is shown with arm OD and crank CB in their vertical positions. For the configuration shown, crank CB has a constant clockwise angular velocity of 0.6π rad/s. Determine the acceleration QE of E (positive if to the right, negative if down). 450 mm 215 mm 565 mm A 185 mm 105 mm 110185. mm mm Answer: a = i B 40 mm E m/s²arrow_forward
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