Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Transcribed Image Text:10. The following data were taken on five vehicles travelling a 2.5k
portion of the NLEX. Determine the space mean speed in kph
VEHICLES
TIME (minute)
1
1.2
2
1.0
3
1.4
1.3
1.1
4
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- The traffic from a suburban area to a city uses the following five shorter routes, as shown below. Access from Suburban Route 4 Route 1 Route 5 Route 2 Route 3 Access to City The models below show the travel time as a function of traffic flow on each route. t₁ = 18 + 4.5 x₁ t₂ = 21+ 7.0 x₂ t3 = 26 + 4.9 x3 t4 = 29+ 3.4 x4 t5 = 34 + 0.3 x5 Where: t; is travel time on route 'i' (in minutes) and x; is traffic flow on route 'i' (in 1000 vehicles).arrow_forward27 …… is the average speed of all vehicles along a roadway as determined by the distance and the rünning times between two selected points. 1. Running speed 2. Posted speed 3. Operating speed 4. Design speedarrow_forward28 pedestrians per cycle (both directions combined) use a crosswalk to cross a 72-ft wide street. The width of the crosswalk is 11 ft. If the walking speed is 3.5 ft/s, how much τi,ps should be allocated so that the pedestrians can safely cross? Group of answer choices 31.0 sec 21.2 sec 56 sec 52.8 secarrow_forward
- The following travel times were observed for 4 vehicles traveling a one km segment of the SLEX. It is required to determine the space mean speed of these vehiclesarrow_forwardthe following data were taken on five vehicles travelling consecutively 1.5km portion of the NLEX. Vehicle Time(minute) 1 1.2 2 1.0 3 1.4 4 1.3 5 1.1 Determine the density of traffic in (Veh per km) 3.33 3.83 4.33 2.83arrow_forwardSHOW A FULL SOLUTIONAfter mall opening, the traffic volume (demand) in a certain road section (6-lane divided highway) at the peak hour is forecasted to be 5200vph. An accident blocks 1 lane of the highway. It took 15 minutes till the accident is cleared and capacity is fully restored. Use the following speeddensity relationship: u=112.81-1.75k (u is speed in kph and k is density in vpk/lane) to answer the following questions:a.) Determine the free-flowing speedb.) Compute for the shockwave between the free-flow state and the state where there is capacity reduction due to accident.c.) Compute for the shockwave between state when there is capacity reduction due to accident and the state where vehicles flow with full section capacityarrow_forward
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