Cross drainage work, Civil Engineering

Cross Drainage Work:

Several natural streams, rivers and canals cross the road. They have to be led across the road through culverts and bridges. That given structures is known as cross-drainage works. The subject is dealt with in addionally.

Side Drains

Side drains are needed for collecting the surface run-off and leading it to a natural stream. In hill roads, the side drains are generally V-shaped and are lined with dry stones, as in Figure(a). A trapezoidal drain in masonry is shown in Figure(b).

2483_Cross Drainage Work.png

(a) Triangle Drain

485_Cross Drainage Work1.png

(b) Trapezoidal Side Drain

Figure : Typical Designs of Side Drains on Hill Roads

In roads in plains, the run-off water from the road embankment is led to a side ditch which may be lined or unlined. A typical arrangement is shown in Figure. The dimensions of the drain are determined from the run-off, the longitudinal slope and rugosity coefficient using Manning's formula.

982_Cross Drainage Work2.png

Figure: Side Ditches along Roads in Plain Areas

Posted Date: 1/22/2013 5:26:11 AM | Location : United States







Related Discussions:- Cross drainage work, Assignment Help, Ask Question on Cross drainage work, Get Answer, Expert's Help, Cross drainage work Discussions

Write discussion on Cross drainage work
Your posts are moderated
Related Questions

STRUCTYRE IS HAVING BASEMENT JUST WITH THE SIDE OF FOUNDATION WHICH CAUSED SETTLEMENT AND CRACKS IN THE STRUCTURES

Q. Sand layer vs. cement sand used as bedding of precast concrete paving units Cement sand is a mixture of sand and cement and it behaves as a cohesive mass once mixed. Usuall

An 8 kN.m moment is applied at the end of a block fixed into the ground as illustrated in thefigure below. The moment vector (double arrow head representation) acts in line with th

Basic Keywords related to road materials: Sub-grade     :            The portion of road embankment immediately below the pavement. Soil Classifications :            A sy

The wet weight of a sample is missing in a Proctor test. The oven-dry weight of this sample is 189 N. The volume of the mould used is 1000 cm 3 . If the degree of saturation of

Method of Greasing : Greasing of fixed end requires 20 to 25 minutes. The lifting is hardly 10 mm, ensuring that the gap is created between saddle block and knuckle pin. Saddle is

when i have solved the given assignment work then how will you pay me for that work??

Define Sulphate Attack - underwater inspection of bridge? Cement contains a proportion of tricalcium aluminates, which takes part in the hydration process. These can react with