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

Materials, what is the meaning of 6061 and why its called as 6061?

what is the meaning of 6061 and why its called as 6061?

What is blow molding, Q. What is Blow molding ? Blow molding has been u...

Q. What is Blow molding ? Blow molding has been used for making plastic bottles, toys, doll bodies and many other items. The blow molding commences with the extrusion of the t

What are the various types of wear found in cutting tool, What are the cond...

What are the condition that could allow a continuous chip to be formed in a metal cutting ? How is metal removed in metal cutting? Illustrate the Process with neat sketch. What

Angular shear stress.., how is angular shear stress distributed in between ...

how is angular shear stress distributed in between two stanchions

Gun fires - projectile motion, Gun fires - projectile motion: A gun fi...

Gun fires - projectile motion: A gun fires a projectile along with a muzzle velocity of 300 m/sec as illustrated in Figure. Find its angle of inclination so that it strikes a

Determine the acceleration of each block, Determine the acceleration of eac...

Determine the acceleration of each block: In the system of associated blocks shown in figure the coefficient of kinetic friction under blocks A and C is 0.20. Determine the ac

Thermodynamics, show that energy of an isolated system is conserved

show that energy of an isolated system is conserved

What is vertical spoilers, Q. What is Vertical Spoilers? Vertical Spoil...

Q. What is Vertical Spoilers? Vertical Spoilers - Use a three-start system of short vertical spoilers arranged in a helical pattern on the top third of the vessel. The exposed

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