A flexible pavement has the following class loads during a particular hour of the day. i. ii. 80 buses with 2-axles (each axle load of 40 KN); ii. 160 trucks with 2-axles (from and rear axle loads of 40 kN and 80 kN. respectively) Find the equivalent standard axle load repetitions for this vehicle combination as per IRC 37-2012.
Q: Find the modulus of elasticity Stress=2 MPa Strain=0.1
A: Given data : Strain is denoted by ε Stress is denoted by σ To find : Modulus of elasticity
Q: Blocks D and E have a mass of 4 kg and 6 kg,respectively. Suppose that F= 80 N and d = 5.5 m.…
A:
Q: A cylindrical pressure vessel with outside diameter of a = 9 m is composed of wrought 2024-T4…
A: Answer We are given Outside diameter D = 9 m = 9000 mm Thickness t = 7 mm wrought 2024-T4 Aluminium…
Q: 1-1. A beam is subjected to the linearly distributed loads shown below. Determine the resultant…
A: Given :
Q: sides inclined at 45
A: To find;- cost of making
Q: A 2000 mi² drainage basin receives 20 in/year rainfall. The evapotranspiration (ET) loss for the…
A: Given : Area of drainage basin = 2000 m2 Yearly rainfall = 20 in/year Evapotranspiration Loss = 1.5…
Q: Do a summary of RA 544: Civil engineering Law and print it in A3 size tarpaulin. you may use…
A: RA 544: Civil engineering Law was approved on June 17, 1950.
Q: 2-25. Determine the reactions at the smooth support C and pinned support A. Assume the connection at…
A: Given data:
Q: Problem #5 a. A 30m steel tape is supported only at its ends and under a steady pull of 7kg. if the…
A: Solution: a) Given: Length of the steel tape, L=30 m Pull, P=7kg Weight of the tape, W=0.9kg
Q: For a flexible foundation with sides 2 m and 3 m and an axial load of 750 kN, determine the elastic…
A: Given- Length of footing L=3 mwidth of footing B=2 mAxial load P=750 kNpoisson's ratio v=0.37E=9.8…
Q: A circular curve having an azimuth of back tangent equal to 205° and the azimuth of the forward…
A:
Q: h₂ meter. hi 101 102.5 h₂ 104.2 12 108.10 98.45 412 100.5 hy -10 m 102.5 hu 105.7 ha 97.35 99.80 h2…
A: To solve this question, firstly we will calculate the average of the given elevations. With this…
Q: 3. Draw shear force and bending moment diagram of the beam shown in Fig.3 using slope deflection…
A:
Q: B 1 F E
A: Data given:Bearing AB = 15ο0'00"Bearing EF = 265ο0'00"Co-ordinates of B = EB, NB = 624.3,…
Q: r item #3. What is the moment due to the reaction force at point A? 24.0 KN-m 36.0 KN-m 30.0 KN-m…
A: Given:- P=20kN span=5m To find:- 1.For item #3. What is the moment due to the reaction force at…
Q: An open, clean glass tube, having a diameter of 4.6 mm, is inserted vertically into a dish of…
A: Given, D = 4.6 mm or 0.0046 m
Q: 3-7. The man attempts to pull down the tree using the cable and small pulley arrangement shown. If…
A: Given :
Q: A U-tube with both limbs open to atmosphere contains two in.miscible liquids of densities P₁ and p2…
A: Using manometric equation. Starting from the top of right limb. [Note that the density of fluid in…
Q: Use transformed-area method. The cross section shown consists of a hollow concrete beam with an…
A: Solution: Given: S = 6 m P = 6 kN fc = 7 MPa fs = 124 MPa n = 12 d = 400 mm Provided steel = 4 - 16…
Q: Two pipelines, one carrying oil (mass density 900 kg/m³) and the other water, are connected to a…
A:
Q: Two L 152x102x12.7 angle brackets are welded to a steel plate that is 16 cm tall and has a width d…
A: The given data is shown below: L152×102×12.7Height=16 cmIxIy=1.5
Q: 6. In a tube well of 20cm diameter in a soil with coefficient of permeability of 4.15 * 10-4m/s, is…
A: Aquifer A body of rock and/or sediment known as an aquifer is used to store groundwater. The term…
Q: Fig. 1 below shows a single sided overhang beam subjected to various types of loading as shown.…
A:
Q: The density of a certain type of jet fuel is 820 kg/m³. Determine (a) its specific gravity and (b)…
A:
Q: A smooth sphere of 2 kN weight and 2 cm radius is resting against the walls as shown in figure.…
A: Given Data,For a smooth sphere,Weight, w= 2kNTo find the reactions at the supporting points
Q: The rods AB and CD are made of steel having a failure tensile stress of ?FAIL = 500MPa. Using a…
A:
Q: 1. List 5 potential hazards in cement processing plant which may include cement dust and chemical…
A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…
Q: write and describe the steps and stages of designing a rail of the raiway track
A: Railway track:- The construction of a railway or railway comprised of the rails, screws, guard…
Q: A barrage on a major river in the Gangetic plains has been designed for 3 a flood discharge 7000…
A: Given- Actual width=360 m discharge Q=7000 m3/s Looseness factor needs to be calculated.
Q: Question 3: Use the Moment Distribution method to determine the moments at the supports, Assume A…
A: Given data EI = Constant Find moment at support.
Q: Q1) Draw contour lines of 301.2m, 301.6m, 302m, and 302.4m by interpolation method, with scale…
A: Solution:
Q: A tyre with 230 kPa air pressure distributes a load over an area with circular contact radius of 200…
A:
Q: Some measurements on a blood sample at 37 °C (98.6 °F) indicate a shearing stress of 0.550 N/m² for…
A:
Q: 2-30. Determine the reactions at the supports A and B of the compound beam. There is a pin at C. 2…
A:
Q: A rod has a radius of 4m. Determine the smallest force F that must be applied along the rope in…
A: In order to determine the force which will cause failure in curved rod we will take total moment…
Q: The figure shows a U-tube having a 5 mm x 5 mm square cross-section filled with mercury (specific…
A:
Q: E. To transfer loads from frame A to one end of the river to frame C at the other end, high strength…
A:
Q: The hoist shown is used in a machine shop to position heavy workpieces in a lathe. If the cable…
A: Given :
Q: B 5m A 5 kN/m 4m C 2m 4m D -15 KN
A:
Q: The viscosity of a certain fluid is 8 x 10 poise. Determine its viscosity in both (a) SI and (b) BG…
A: Solution: a) SI unit: 1 poise = 110N.s/m2 Therefore; 8×10-4 poise=8×10-410=8×10-5N.s/m2
Q: bar should be
A:
Q: Two cars P and Q are moving in a racing track continuously for two hour. Assume that no other…
A: Hello dear The answer is found to be Maximum space headway= 15 Km Occurs at t=0.5 hr or 30 minutes…
Q: A container of weight Wis suspended from ring A, to which cables AC and AE are attached. A force P…
A: Given : W = 1125 N TO Find : Magnitude of P ?
Q: Choose the letter of the answer. A simple curve having a radium of 200m have tangents with bearing…
A:
Q: Question- A water treatment plant is to treat water at the rate of 6000 m³/day. If there are two…
A: Detention time (t) t = (Volume of tank) / ( Rate of flow through the tank) t= V/Q Volume of one tank…
Q: Use Virtual Work Method
A: the virtual work method is also known as the unit load method. In this case, we will resolve all…
Q: A shop crane consists of a boom AC that is supported by a pin at A and by a rectangular tension bar…
A: Given :
Q: At a temperature of 34°F, a 0.06 in. gap exists between the ends of the two bars shown. Bar (1) is…
A: Given :
Q:
A: The given data is shown below: FLow rate=300×10-6 m3/s
Q: Question 7: Given a 1050 HR steel, estimate (a) the rotating-beam endurance limit at 106 cycles. (b)…
A: Given data: 1050 HR steel
Step by step
Solved in 2 steps
- A flexible pavement has the following class of loads during a particular hour of the day. i. 80 buses with 2-axles (each axle load of 40 KN); ii. 160 trucks with 2-axles (front and rear axle loads of 40 kN and 80 kN, respectively) The equivalent standard axle load repetitions for this vehicle combination as per IRC: 37-2012 would beQ1) If the traffic using the pavement grows at an annual rate of 4 present ,determine the design ESAL for 20 years, if ESAL for one year =78900?A flexible pavement has the following class of loads during a particular hour of the day, i. 80 buses with 2-axles (each axle load of 40 KN): ii. 160 trucks with 2-axles (front and rear axle loads of 40 kN and 80 kN, respectively) The equivalent standard axle load repetitions for this vehicle combination as per IRC:37-2012 would be A. 320 B. 250 C. 240 D. 180
- You have been asked to design a flexible pavement and the following daily traffic is expected for design: 6375 passenger cars with two 2-kip single axles, 375 18-wheel trucks with one 12-kip single axle and two 32-kip tandem axles, 225 triple-trailer trucks with one 18-kip single axle and six 36-kip tandem axles, and 525 single unit trucks with one 10-kip single axle and one 24-kip tandem axle. There are 3 lanes in the design direction (conservative design is to be used). Assuming a structural number of 5.0, determine the design-lane 18-kip ESALs for the pavement projected 15-year design life with the TSI of 2.5.If the pavement structure number (SN) is equal to 1 and the terminal serviceability index (TSI) is 2.5. what would be the ESAL value that would correspond to a tandem axle load of 18,000 pounds? O 1.000 O.0.070 O 0.018 O 2000Q5. Given the following information: A concrete pavement for two lane highway has doweled joints and no concrete shoulders. The modulus of subgrade reaction is 200 pci (54.2MN/m3), and the modulus of rupture is 650 psi (4.5Mpa). Assume a load safety factor of 1.1. truck weight distribution data for single axle load is as follows: Axle load(kips) 1 Single axles 28 Multiplied by LSF (1.1) 26 24 2 Expected repetitions 3 Erosion analysis Allowable repetitions 30.8 5,913 28.6 12,483 26.4 15,111 22 24.2 102,492 Using a trial thickness of 8 in. Fill in the empty spaces using PCA design method 4 6. Erosion factor Erosion percent 5
- The AADTT of a 2-way (2-lane each way) highway is 10,000. The directional distribution may vary between 45 and 55% depending on season. The lane distribution may vary between 60 and 75%. The driving lane always carries more loads compared to the passing lane. The growth factor for the pavement is 3.5%. Based on the above information, calculate the design AADTT for the driving lane if the pavement service life is 20 years.You have been asked to design the pavement for an access highway to a major truck terminal. The design daily truck traffic consists of the following: 80 single axles at 22,500 lb each, 570 tandem axles at 25,000 lb each, 50 tandem axles at 39,000 lb each, and 80 triple axles at 48,000 lb each. The highway is to be designed with rigid pavement having a modulus of rupture of 600lb/in2 and a modulus of elasticity of 5 million lb/in2. The reliability is to be 95%, the overall standard deviation is 0.4, the drainage coefficient is 0.9, ¨PSI is 1.7 (with a TSI of 2.5), and the load transfer coefficient is 3.2. The modulus of subgrade reaction is 200 lb/in3. If a 20-year design life is to be used, determine the required slab thickness● Example A pavement is subjected to the single-axle loads shown in the table below. Determine the ESAL for a design period of 20 years using AASHTO EALF and assuming a growth rate of 4% Solution Axle load (kip) 12 14 16 18 Number per day 200.0 117.4 84.5 61.4 Axle load (kip) 20 22 24 26 Number per day ESAL= (ADT), (T) (T) (365) (G) (D) (L) 47.2 21.4 129 6.1 Axle load (kip) 28 30 32 34 Number per day 2.9 1.2 2100 0.7 0.3
- Show transcribed image text 1. Truck A has two single axles. One axle weighs 12,000 Ib and the other weighs 23,000 lb. Truck B has an 8000-lb single axle and a 43,000-lb tandem axle. On a flexible pavement with a 3-inch hot-mix asphalt (HMA) wearing surface, a 6-inch soil-cement base, and an 8-inch crushed stone sub base, which truck will cause more pavement damage? (Assume drainage coefficient are 1.0.) Hints: use linear interpolation if SN is not integer. 2. A highway has the following pavement design daily traffic: 300 single axles at 10,000 lb each, 120 single axles at 18,000 lb each, 100 single axles at 23,000 Ib each, 100 tandem axles at 32,000 lb each, 30 single axles at 32,000 lb each, and 100 triple axles at 40,000 lb each. A flexible pavement is designed to have 4 inches of sand-mix asphalt wearing surface, 6 inches of soil- cement base, and 7 inches of crushed stone sub base. The pavement has a 10-year design life, a reliability of 85%, an overall standard deviation of 0.30,…Calculate ESAL in the design lane for 20 year design period for asphalt (assume TSI= 2.5) and concrete (assume TSI= 2.5 and D = 9 inch) pavement, respectively, based on the initial traffic of single axle-loads shown below, given that the yearly rate of growth 2%, Direction Distribution Factor -50%, Lane Distribution Factor = 75% Axle Load Number (kip) 18 20 22 24 26 28 30 32 34 per day 61.4 47.2 21.4 12.9 6.1 2.9 1.2 0.7 0.33. You have been asked to design the pavement for an access highway to a major truck terminal. The design daily truck traffic consists of the following: 80 single axles at 22,500 lb each, 570 tandem axles at 25,000 lb each, 50 tandem axles at 39,000 lb each, and 80 triple axles at 48,050 lb each. The highway is to be designed with rigid pavement having a modulus of rupture of 600 lb/in? and a modulus of elasticity of 5 million lb/in. The reliability is to be 95%, the overall standard deviation is 0.4, the drainage coefficient is 0.9, APSI is 1.7 (with a TSI of 2.5). and the load transfer coefficient is 3.2. The modulus of subgrade reaction is 200 lb/in'. If a 20-year design life is to be used, determine the required slab thickness.