A road has the following traffic axle distribution Traffic Axle Distribution Axle Group Type Total Axle Group SAST 512 SADT TAST 275 511 determine the average number of axle groups per heavy vehicle. Please provide your answer to three decimal points TADT 743 TROT 549
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- Following table shows the prediction in the traffic of the road for a design period. Which one is the closest number to the design ESAL (W18) for this road (total ESAL) Load Number of Vehicle Type Equivalency Repeats Factor Compact car 0.0008 48,857,994 Buss 1.75 84,590 2 AX 0.7 497,585 З АХ 1.5 149,276 4 AX 2 84,590 5 AX 2.3 84,611 TAX (10,000 Ibs) 0.011 14,659 TAX (14,000 Ibs) 0.042 86,231 TAX (18,000 Ibs) 0.109 25,869 TAX (20,000 Ibs) 0.162 14,650 TAX (50,000 Ibs) 5.03 1,524 O 2.5 million O 0.75 million O 1.26 million 1.14 millionQuestion 21 Determine the impact factor for a highway curve having a radius of 2,174 ft and maximum design speed of 59 kph. Express your answer in 4 decimal places « A Moving to another question will save this response. acer F11 F12 PrtSc Pause Del Home F8 F9 F10 F4 F5 F6 F7 Scr Lk SysRq Break Ins & Backspac 5 € 6 8 9 J K LQ: Given the data below: Daily Traffic Count Axle Load (Kips) (2-axle) (3-axle) 22 (4-axle) 40 (5-аxle) 50 (б-аxle) 50 SN is 5, P,34.2, Р,%33, design life is 15 years, growth rate is 2.5%, lane distribution factor = 0.45, AADT = 1600 Calculate the ESAT. 2.
- Situation: A proposed four-lane divided highway is to be constructed using asphalt concrete surface layer. Table below shows the fvevRAr traffic data collected from DPWH regional office along the proposed alignment. Load per axle, Ibs 2,000 10,000 14,000 6,000 Vehicle Number of Description AADT Code axles В, В1, В2 12-2 12-3 Light Vehicles (sedan, SUV, pickup) Semi-trailer trucks Truck semi-trailer Public buses, single-unit trucks 75,000 4,000 1,500 15,700 5 D-4 2 Forecasted annual traffic growth Percentage of traffic on design lane Design service life of pavement = 4.Y% = 32% = 20 years Moreover, the regional office plans to adapt a flexible pavement with the following specifications listed below. Resilient modulus of asphalt concrete Resilient modulus of base course Resilient modulus of subbase course = 420 ksi California Bearing Ratio (CBR) of base course material California Bearing Ratio (CBR) of subbase material California Bearing Ratio (CBR) of subgrade material - 28.5 ksi = 15…Given the data below: Daily Traffic Count Axle Load (Kips) 1000 (single axle cars) 300 (single axle buses) 120 (tandem axle trucks) SN is 5, Pi = 4.2, 22 40 Pr = 3, design life is 20 years, growth rate is 5%, lane distribution factor = 0.45 %3D Calculate the ESAL.ANAS Pic 3: Street View at Point B to Point C Pic 4: Street View at Point C to Point D 4 of 5 ||
- A road with 4.5% downward grade has available stopping sight distance of 200m. Find the road speed if coefficient of longitudinal friction 0.29 and driver reaction time was 2.5sec. A BI % $3 *** US X₂ x² E 흐트 E E # #6 C I ↑ 2 сх OCQuestion 4 a) The axle load data collected on a section of a highway for a short duration for 2 and 3 - axle trucks are presented in Table 1. Determine the ESAL per axle, total ESAL per truck and the truck factors for 2 and 3-axle trucks. Table 1: Axle load data Vehicle питber No. of axles Axle Weight (tons) Axle 3 Axle 4 Axle 5 Date Сommodity Axle 1 Axle 2 15-Jul-10 GR 6687 -10 16-Jul-10 GW 4925 S 15-Jul-10 AS 4602 Z 15-Jul-10 BA 4772 C 16-Jul-10 GR 2706 09 15-Jul-10 GR 9626 E 16-Jul-10 WR 9290 C 15-Jul-10 AS 6865 Q charcoal 3 4.00 10.20 5.20 13.60 16.80 cement 5.50 lumber 10.20 4.00 14.60 charcoal charcoal charcoal 2 6.10 4.20 14.20 8.50 19.80 13.20 charcoal 5.10 13.70 charcoal 8.40 14.90 6.10Subject : Transportation engineering This is my second time uploading first time I was received wrong solution attached below. If you don't know the solution please leave it but don't waste my question. Wha iI'm asking Read the question carefully. A curved segment of an existing road has a radius of 180 m, which restricts the posted speed limit for that segment to 75% of the speed limit of the road. If this segment of the road is to be improved so that the posted speed limit is that of the rest of the road, determine the radius of the improved segment. The maximum superelevation allowed is 8%.
- Given the data below: Daily Traffic Count Axle Load (Kips) 1000 (single axle cars) 300 (single axle buses) 120 (tandem axle trucks) 100 (tandem axle trucks) 50 (triple axle trucks) 22 40 50 50 SN is 5, P = 4.2, P; = 3, design life is 20 years, growth rate is 5%, lane distribution factor = 0.45 EASL Calculate the !17 An existing urban freeway with 4 lanes in each direction has the following characteristics: Traffic data: Peak hour volume (in the peak direction): 7070 veh/h Trucks: 10% of peak hour volume PHF _ 0.94 Geometric data: Lane width: 11 ft Shoulder width: 6 ft Interchange spacing (average): 1.4 mile Terrain: rolling Determine the LOS in the peak hour. Clearly state assumptions used for any values not given. Show the demand flow rate, mean speed, and density for the given conditions.Q: The expected daily traffic (AADT) for tow-way on a major six-lane flexible pavement highway consists of trucks of type 1 and 2 with equivalency factors as follow: type1 truck 1000/day(2. way) type2truck 500/day (2 way) 24kips(single) 24Kips(Tandem) 12kips(single) Equiv. 3.22 0.450 0.010 factor 24kips(single) 3.22 12 kips(Tandem) 0.026 Performance penod-15 years, annual growth rate=4%, tirectional distribution percent -70%, design lane percent 80 %, required structural number for subgrade = 5.7, asphalt concrete surfacing layer coefficient (4,-0.42), asphalt concrete base layer coefficient (a₂-034), gravel and soil subbase layer coefficient (93-0.12) and the modify drainage coefficient (m = 1.0) for all pavement courses Find the equivalent single axle load (ESAL) and draw a simple sketch of designed three pavement thickness courses with all necessary calculations?