What is raft foundation, Mechanical Engineering

Assignment Help:

What is raft foundation?

A raft or mat can be considered as a combined footing which covers the entire building area and supports all columns and walls. Such a foundation may consist of a slab of uniform thickness or a slab stiffened by beams either above or below the slab as demonstrated in figure as:

1956_RAFT FOUNDATION.png

RAFT FOUNDATION

When the allowable soil pressure is low or the building loads are heavy, the use of individual spread footings would cover a major portion of the plan area. When the total area of the footings covers more than fifty percent of the area, it is more economical to use a raft for the entire structure.


Related Discussions:- What is raft foundation

The same magnitude as it did at the bottom, For the normal force in Figure ...

For the normal force in Figure to have the same magnitude at all points on the vertical track, the stunt driver must adjust the speed to be different at different points. Suppose,

Mechanical properties of materials, A tensile test on a specimen having an ...

A tensile test on a specimen having an initial diameter of 13.11 mm and an initial gauge length of 200.0 mm, gave the following data:

Explain the process for using the two small pipes, Method:- Using the two s...

Method:- Using the two small pipes - Radial Drilling machine First we make a base. Then we attach column to the base. Then show the table atmiddle of the column. Then after we

How to select the project if not yet done - general phase, To select the pr...

To select the project, if not already done - Radial Drilling Machine Due to above Problem?s in RADIALL DRILLING machine, now the select the project and solves the problems and

Explain index jig, Explain Index Jig? 1. This type of jig, as the...

Explain Index Jig? 1. This type of jig, as the name suggests, incorporate a suitable indexing mechanism, by means of which the work piece can be indexed to required posit

What do you mean by dilution method, Q. What do you mean by Dilution method...

Q. What do you mean by Dilution method? Dilution methods are more suited especially in hilly streams and torrents where current meter measurements are not feasible on account o

Mounting systems for the welding head-carriage mounted type, Mounting Syst...

Mounting Systems For The  Welding Head-Carriage mounted type In this set up, the welding head is mounted on a movable carriage. The carriage is mounted on rails and powered by a

Stud welding, Stud Welding This is an arc welding process in which the...

Stud Welding This is an arc welding process in which the arc is struck between a metal stud or similar part and the base metal. The arc heats the mating ends to a proper tempe

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