Evlaute width and depth for stable alluvial canals, Civil Engineering

Assignment Help:

Q. Evlaute width and depth for stable alluvial canals?

Lacey originally evolved width and depth formulae for stable alluvial canals. These were the following. 

P = 4.836 Q1/2

R = 0.473 (Q/f)1/3

wherein P is wetted perimeter in m, Q is discharge in m3/s, R is hydraulic mean radius in m and f is the silt factor which is given as 1.76 m1/2, m being weighted mean diameter of bed material in mm. On the basis of data of a few rivers, Lacey showed that his P:Q relationship is valid not only for canals but also for alluvial rivers. Since river sections are much wider than canals, P and R can be replaced by W and D, namely width and depth respectively.


Related Discussions:- Evlaute width and depth for stable alluvial canals

Determine the governing effective length of a steel column, Determine the g...

Determine the governing effective length of a steel column? Determine the governing effective length of a W12 x 106 steel column that is 12' high, pinned at each end, and

Demonstrate the economical design of concrete, Demonstrate the economical d...

Demonstrate the economical design of concrete A safe, serviceable and economical design of concrete structures requires a comprehensive knowledge of the loads expected to be a

Vectors application, how does vectors apply mathamatical in civil engineeri...

how does vectors apply mathamatical in civil engineering

Erosion ocntrol, java program to design a SD-3 sediment pond per Georgia er...

java program to design a SD-3 sediment pond per Georgia erosion control manual

Pavement layers and their functions, Pavement Layers And Their Functions ...

Pavement Layers And Their Functions Flexible Pavement A typical modern flexible pavement for high traffic is composed of layers as under (Figure). Figure: L

Determine the project duration and critical path, Critical Path - Activity ...

Critical Path - Activity on Node The project precedence table shown below provides the relationships and durations of all activities. Based on end-of-day calculations for start

Define the influence line-beam shear, Define the Influence line-beam shear?...

Define the Influence line-beam shear?   1.  Replace point of interest with a link element of nominal length.  If the point of interest is a reaction, place a hinge at that poin

Verify the magnification and transmitted force, The exciting force in a con...

The exciting force in a constant force type of excitation was 120 kN. The natural frequency of the machine foundation is 4 Hz. The damping factor is 0.36. Verify the magnificati

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd