Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. What is Multiple-cell box girder?
Multiple-cell box girder: cells connected by top flanges vs. cells connected both by top and bottom flanges
When the depth of a box girder bridge exceeds 1/6 or 1/5 of the bridge width then it's recommended to be designed as a single cell box girder bridge. Though if the bridge depth is smaller than 1/6 of the bridge width then a twin-cell or multiple cell is a better choice. Though even for wider bridges with small depths, the number of cells must be minimized since there isn't much improvement in transverse load distribution when number of cells of box girder is increased to three or more.
For multiple-cell box girders there are usually two arrangements. First one is that independent cells are connected by their top flanges only while other one is that the cells are connected both at the bottom and top flanges. From structural point of view it's recommended to adopt the second arrangement. For the case of cells connected by top flanges only, their flanges are heavily stressed in transverse direction owing to flexure that can't be effectively distributed across the cross section.
Fig. Box girder with cells connected by top flanges and cells connected both by top and bottom flanges.
Pressure distribution under rigid and flexible footings For rigid and thick footings, pressure distribution under the footings is generally presumed to be linear. If symmetric
moment
States of stress - principal stresses: Now let us consider a few cases of solids of the similar material (mild steel) under various states of stress as display in Figure. The
Breakwaters: A breakwater is an artificial structure constructed in the sea to protect ships from the effect of waves and storms. Three types of breakwaters are common :
What would be the best way to evaluate the field performance benefits of subsurface drainage in a flexible pavement? Short term and long term, thick or thin HMA..
Define the In-depth inspections for Bridge? In-depth inspection is a detailed inspection of one or more members below the water level to detect any deficiencies not readily app
Q. Show the Properties of Elastomer ? Though elastomeric bearings offer a number of advantages as compared to steel bearings, many failures have been reported pertaining to the
how to convert a varying distributed load to a uniformly distributed load
Q. Necessity of air voids in bituminous pavement? If the presence of air voids is too high, it results in an increase of permeability of bituminous pavement. This enables the f
1. The topography of a local valley is shown. The horizontal distance between point P and Q is 11,456-ft. The percent grade (%) of line P-Q . 2. Based on the info
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd