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Sub-surface Drainage:
Sub-surface drainage is intended to take away the water seeping through the pervious layers of the soil, causing a high water table, or in cut slopes of hills. The arrangement usually consists of a trench, at the bottom of which is laid a perforated or porous pipe. The trench is filled with stone aggregates. Figure shows a sub-surface drain in a hill slope, which drains away the water and prevents landslides and slips. Figure shows a sub-surface drainage system for lowering the water table.
Figure : Subsurface Drain at Cut Slopes
Figure : Sub-drains for Lowering Ground Water Table
Define Latitude - Transportation Latitude of a line is the distance that the line extends in a north or south direction. A line that runs towards north has positive latitude; a
Common ways to present the project schedule include all except: a. Gantt charts b. Milestone charts c. PERT charts D. Project Network Diagrams with dates added So
what is snowcem?
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WHAT DO WE MEAN BY AC-20 ROAD
effective CBR
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A contractor was awarded a Contract to excavate and haul 200,000-yds 3 of silty clay (USCS classification ML) with a bulking factor of 30%. The contractor's fleet of dump trucks
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