Page 110 - Lecture Notes DCC3113
P. 110
EXERCISE 7
1. Heavy trucks and buses are responsible for a majority of flexible pavement damage. Figure
shows two axles vehicle is loaded with 200 kN. Calculate the load equivalency factor for the
vehicle.
100 kN 100 kN
Figure 7-6 :
(4 marks)
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2. From the data below, determine:
i. Initial annual commercial traffic for one way, Vo .
ii. Cumulative commercial traffic for the design period, Vc .
(The required follow as a JKR Malaysia Design Method on these data)
Descriptions Data
Carriageway width 7.5 m
Shoulder width 2.0 m
ADT, both ways 9,600
Percentage of commercial vehicles 15%
Traffic growth rate 7%
Subgrade CBR 5%
Terrain Rolling
(6 Marks)
103
