Draw Longitudinal or L Section of Road in Excel and Find Quantity of Earthwork | Solved Problem
In this video we will learn how to find the reduced levels of the formation line from gradient, draw longitudinal or L section of road in excel and also find the quantity of earthwork required for banking or filling in road.
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Question: Reduced Level (R.L) of ground along the centerline of proposed road from chainage 10 to chainage 20 are given in the following table. The formation level at 10th chainage is 107 and the road is in downward gradient of 1 in 150 up to chainage 14 and then gradient changes to 1 in 100 downward. Formation width of road is 12 meter and side slopes are 2:1 (Horizontal: Vertical). Length of chain is 30 meter. Draw longitudinal section of road and a typical cross-section and prepare an estimate of earthwork at the rate of $5 per cubic meter.
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