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Traffic Surveys:
The following traffic surveys are needed for preparing a good road project:
Classified Volume Counts
This survey is normally carried out for 7 days, 24 hours a day. The number of vehicles of different types is counted:
PCU Factor
Cars/jeeps, vans 1
Two-wheelers 0.5
Three-wheelers 0.75
Light Commercial Vehicles/Agricultural Tractor 1.5
Buses 3
Heavy Commercial Vehicles 3
Multi-axled Vehicles 4.5
Tractor-trailers, Truck trailers 4.5
Cycles 0.5
Cycle rickshaws 2.0
Bullock carts 6.0
Horse carts 4.0
The PCU factor (Passenger Car Unit) is the multiplying factor for each class of vehicle to express the traffic in PCUs per day.
centroid of shaded area
coulomb wedge analysis
where we can overlap steel in columns if we use 50 or 60 bar diameter as overlap length.
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Question What is function of a sand layer underlying paving slab or interlocking blocks? Answer Normally after laying of sub-base layer of paving slab or interlocking
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Explain the Statements about the Differential Levelling I. Bench mark (BM) - relatively permanent point of known elevation as indicated on the Contract drawings II. Back s
#estimate of rcc beam
The thiclcness of the normally consolidated soft clay layer is 6 m. The natural water content is 31 percent. The specific gravity of the soil being 2.68 with a liquid limit of 4
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