Write a short note on economic span of a bridge, Civil Engineering

Assignment Help:

Q. Write a short note on Economic Span of a Bridge?

The span for which the total cost of bridge will be minimum is known as the economic span.

The ratio of Cost of super structure and Cost of Sub structure = 1

Economical Span = √P / a  , 

Where -    a = p / l2 ,  p = Cost of pier ( Super structure ) ,   l = Span, 

                 P = Cost of Pier ( Sub Structure ) ,     a = Constant of variation.


Related Discussions:- Write a short note on economic span of a bridge

Support, In a RC Frame what will be the support condition for a cantilever ...

In a RC Frame what will be the support condition for a cantilever edge beam i.e. fixed, pinned, encastre or knife?

Usage of double air valves and single air valves, Question In designig ...

Question In designig of watermains, how to decide usage of double air valves and single air valves ? Answer Single air control device let squeezing air out of p

Borrow pits - embankment construction, Borrow Pits Borrow pits are th...

Borrow Pits Borrow pits are the locations from where the embankment soil is obtained. The following guidelines govern the location of borrow pits : (a) They should be pref

Define abrasion - underwater inspection of bridge, Define Abrasion - underw...

Define Abrasion - underwater inspection of bridge? Deterioration of substructures by abrasion is caused by wave action, the velocity of the currents and the action of suspended

Solid mensuration, Ask question #MiniThe base of an isosceles triangle and ...

Ask question #MiniThe base of an isosceles triangle and the altitude drawn from one of the congruent sides are equal to 18cm and 15cm, respectively. Find the lengths of the sides o

Define npdes sampling requirements, Define NPDES Sampling Requirements? ...

Define NPDES Sampling Requirements? The sampling needs under NPDES are given at 40 CFR Part 122, as part of the needs for applying for an NPDES discharge allow. The needs are b

Surveying, working from whole to part

working from whole to part

Distomat, short note about characteristics of distomat

short note about characteristics of distomat

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